diff options
Diffstat (limited to 'drivers')
142 files changed, 2214 insertions, 940 deletions
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 3107282a9741..091b9ea14feb 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -60,7 +60,9 @@ enum { NULL_IRQ_NONE = 0, NULL_IRQ_SOFTIRQ = 1, NULL_IRQ_TIMER = 2, +}; +enum { NULL_Q_BIO = 0, NULL_Q_RQ = 1, NULL_Q_MQ = 2, @@ -172,18 +174,20 @@ static struct nullb_cmd *alloc_cmd(struct nullb_queue *nq, int can_wait) static void end_cmd(struct nullb_cmd *cmd) { - if (cmd->rq) { - if (queue_mode == NULL_Q_MQ) - blk_mq_end_io(cmd->rq, 0); - else { - INIT_LIST_HEAD(&cmd->rq->queuelist); - blk_end_request_all(cmd->rq, 0); - } - } else if (cmd->bio) + switch (queue_mode) { + case NULL_Q_MQ: + blk_mq_end_io(cmd->rq, 0); + return; + case NULL_Q_RQ: + INIT_LIST_HEAD(&cmd->rq->queuelist); + blk_end_request_all(cmd->rq, 0); + break; + case NULL_Q_BIO: bio_endio(cmd->bio, 0); + break; + } - if (queue_mode != NULL_Q_MQ) - free_cmd(cmd); + free_cmd(cmd); } static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) @@ -195,6 +199,7 @@ static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) cq = &per_cpu(completion_queues, smp_processor_id()); while ((entry = llist_del_all(&cq->list)) != NULL) { + entry = llist_reverse_order(entry); do { cmd = container_of(entry, struct nullb_cmd, ll_list); end_cmd(cmd); @@ -221,61 +226,31 @@ static void null_cmd_end_timer(struct nullb_cmd *cmd) static void null_softirq_done_fn(struct request *rq) { - blk_end_request_all(rq, 0); -} - -#ifdef CONFIG_SMP - -static void null_ipi_cmd_end_io(void *data) -{ - struct completion_queue *cq; - struct llist_node *entry, *next; - struct nullb_cmd *cmd; - - cq = &per_cpu(completion_queues, smp_processor_id()); - - entry = llist_del_all(&cq->list); - - while (entry) { - next = entry->next; - cmd = llist_entry(entry, struct nullb_cmd, ll_list); - end_cmd(cmd); - entry = next; - } -} - -static void null_cmd_end_ipi(struct nullb_cmd *cmd) -{ - struct call_single_data *data = &cmd->csd; - int cpu = get_cpu(); - struct completion_queue *cq = &per_cpu(completion_queues, cpu); - - cmd->ll_list.next = NULL; - - if (llist_add(&cmd->ll_list, &cq->list)) { - data->func = null_ipi_cmd_end_io; - data->flags = 0; - __smp_call_function_single(cpu, data, 0); - } - - put_cpu(); + end_cmd(rq->special); } -#endif /* CONFIG_SMP */ - static inline void null_handle_cmd(struct nullb_cmd *cmd) { /* Complete IO by inline, softirq or timer */ switch (irqmode) { - case NULL_IRQ_NONE: - end_cmd(cmd); - break; case NULL_IRQ_SOFTIRQ: -#ifdef CONFIG_SMP - null_cmd_end_ipi(cmd); -#else + switch (queue_mode) { + case NULL_Q_MQ: + blk_mq_complete_request(cmd->rq); + break; + case NULL_Q_RQ: + blk_complete_request(cmd->rq); + break; + case NULL_Q_BIO: + /* + * XXX: no proper submitting cpu information available. + */ + end_cmd(cmd); + break; + } + break; + case NULL_IRQ_NONE: end_cmd(cmd); -#endif break; case NULL_IRQ_TIMER: null_cmd_end_timer(cmd); @@ -411,6 +386,7 @@ static struct blk_mq_ops null_mq_ops = { .queue_rq = null_queue_rq, .map_queue = blk_mq_map_queue, .init_hctx = null_init_hctx, + .complete = null_softirq_done_fn, }; static struct blk_mq_reg null_mq_reg = { @@ -609,13 +585,6 @@ static int __init null_init(void) { unsigned int i; -#if !defined(CONFIG_SMP) - if (irqmode == NULL_IRQ_SOFTIRQ) { - pr_warn("null_blk: softirq completions not available.\n"); - pr_warn("null_blk: using direct completions.\n"); - irqmode = NULL_IRQ_NONE; - } -#endif if (bs > PAGE_SIZE) { pr_warn("null_blk: invalid block size\n"); pr_warn("null_blk: defaults block size to %lu\n", PAGE_SIZE); diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 6a680d4de7f1..b1cb3f4c4db4 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -110,9 +110,9 @@ static int __virtblk_add_req(struct virtqueue *vq, return virtqueue_add_sgs(vq, sgs, num_out, num_in, vbr, GFP_ATOMIC); } -static inline void virtblk_request_done(struct virtblk_req *vbr) +static inline void virtblk_request_done(struct request *req) { - struct request *req = vbr->req; + struct virtblk_req *vbr = req->special; int error = virtblk_result(vbr); if (req->cmd_type == REQ_TYPE_BLOCK_PC) { @@ -138,7 +138,7 @@ static void virtblk_done(struct virtqueue *vq) do { virtqueue_disable_cb(vq); while ((vbr = virtqueue_get_buf(vblk->vq, &len)) != NULL) { - virtblk_request_done(vbr); + blk_mq_complete_request(vbr->req); req_done = true; } if (unlikely(virtqueue_is_broken(vq))) @@ -479,6 +479,7 @@ static struct blk_mq_ops virtio_mq_ops = { .map_queue = blk_mq_map_queue, .alloc_hctx = blk_mq_alloc_single_hw_queue, .free_hctx = blk_mq_free_single_hw_queue, + .complete = virtblk_request_done, }; static struct blk_mq_reg virtio_mq_reg = { diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 4b97b86da926..64c60edcdfbc 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -299,7 +299,7 @@ static void free_persistent_gnts(struct xen_blkif *blkif, struct rb_root *root, BUG_ON(num != 0); } -static void unmap_purged_grants(struct work_struct *work) +void xen_blkbk_unmap_purged_grants(struct work_struct *work) { struct gnttab_unmap_grant_ref unmap[BLKIF_MAX_SEGMENTS_PER_REQUEST]; struct page *pages[BLKIF_MAX_SEGMENTS_PER_REQUEST]; @@ -375,7 +375,7 @@ static void purge_persistent_gnt(struct xen_blkif *blkif) pr_debug(DRV_PFX "Going to purge %u persistent grants\n", num_clean); - INIT_LIST_HEAD(&blkif->persistent_purge_list); + BUG_ON(!list_empty(&blkif->persistent_purge_list)); root = &blkif->persistent_gnts; purge_list: foreach_grant_safe(persistent_gnt, n, root, node) { @@ -420,7 +420,6 @@ finished: blkif->vbd.overflow_max_grants = 0; /* We can defer this work */ - INIT_WORK(&blkif->persistent_purge_work, unmap_purged_grants); schedule_work(&blkif->persistent_purge_work); pr_debug(DRV_PFX "Purged %u/%u\n", (total - num_clean), total); return; @@ -625,9 +624,23 @@ purge_gnt_list: print_stats(blkif); } - /* Since we are shutting down remove all pages from the buffer */ - shrink_free_pagepool(blkif, 0 /* All */); + /* Drain pending purge work */ + flush_work(&blkif->persistent_purge_work); + if (log_stats) + print_stats(blkif); + + blkif->xenblkd = NULL; + xen_blkif_put(blkif); + + return 0; +} + +/* + * Remove persistent grants and empty the pool of free pages + */ +void xen_blkbk_free_caches(struct xen_blkif *blkif) +{ /* Free all persistent grant pages */ if (!RB_EMPTY_ROOT(&blkif->persistent_gnts)) free_persistent_gnts(blkif, &blkif->persistent_gnts, @@ -636,13 +649,8 @@ purge_gnt_list: BUG_ON(!RB_EMPTY_ROOT(&blkif->persistent_gnts)); blkif->persistent_gnt_c = 0; - if (log_stats) - print_stats(blkif); - - blkif->xenblkd = NULL; - xen_blkif_put(blkif); - - return 0; + /* Since we are shutting down remove all pages from the buffer */ + shrink_free_pagepool(blkif, 0 /* All */); } /* @@ -838,7 +846,7 @@ static int xen_blkbk_parse_indirect(struct blkif_request *req, struct grant_page **pages = pending_req->indirect_pages; struct xen_blkif *blkif = pending_req->blkif; int indirect_grefs, rc, n, nseg, i; - struct blkif_request_segment_aligned *segments = NULL; + struct blkif_request_segment *segments = NULL; nseg = pending_req->nr_pages; indirect_grefs = INDIRECT_PAGES(nseg); @@ -934,9 +942,7 @@ static void xen_blk_drain_io(struct xen_blkif *blkif) { atomic_set(&blkif->drain, 1); do { - /* The initial value is one, and one refcnt taken at the - * start of the xen_blkif_schedule thread. */ - if (atomic_read(&blkif->refcnt) <= 2) + if (atomic_read(&blkif->inflight) == 0) break; wait_for_completion_interruptible_timeout( &blkif->drain_complete, HZ); @@ -976,17 +982,30 @@ static void __end_block_io_op(struct pending_req *pending_req, int error) * the proper response on the ring. */ if (atomic_dec_and_test(&pending_req->pendcnt)) { - xen_blkbk_unmap(pending_req->blkif, + struct xen_blkif *blkif = pending_req->blkif; + + xen_blkbk_unmap(blkif, pending_req->segments, pending_req->nr_pages); - make_response(pending_req->blkif, pending_req->id, + make_response(blkif, pending_req->id, pending_req->operation, pending_req->status); - xen_blkif_put(pending_req->blkif); - if (atomic_read(&pending_req->blkif->refcnt) <= 2) { - if (atomic_read(&pending_req->blkif->drain)) - complete(&pending_req->blkif->drain_complete); + free_req(blkif, pending_req); + /* + * Make sure the request is freed before releasing blkif, + * or there could be a race between free_req and the + * cleanup done in xen_blkif_free during shutdown. + * + * NB: The fact that we might try to wake up pending_free_wq + * before drain_complete (in case there's a drain going on) + * it's not a problem with our current implementation + * because we can assure there's no thread waiting on + * pending_free_wq if there's a drain going on, but it has + * to be taken into account if the current model is changed. + */ + if (atomic_dec_and_test(&blkif->inflight) && atomic_read(&blkif->drain)) { + complete(&blkif->drain_complete); } - free_req(pending_req->blkif, pending_req); + xen_blkif_put(blkif); } } @@ -1240,6 +1259,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, * below (in "!bio") if we are handling a BLKIF_OP_DISCARD. */ xen_blkif_get(blkif); + atomic_inc(&blkif->inflight); for (i = 0; i < nseg; i++) { while ((bio == NULL) || diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 8d8807563d99..be052773ad03 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -57,7 +57,7 @@ #define MAX_INDIRECT_SEGMENTS 256 #define SEGS_PER_INDIRECT_FRAME \ - (PAGE_SIZE/sizeof(struct blkif_request_segment_aligned)) + (PAGE_SIZE/sizeof(struct blkif_request_segment)) #define MAX_INDIRECT_PAGES \ ((MAX_INDIRECT_SEGMENTS + SEGS_PER_INDIRECT_FRAME - 1)/SEGS_PER_INDIRECT_FRAME) #define INDIRECT_PAGES(_segs) \ @@ -278,6 +278,7 @@ struct xen_blkif { /* for barrier (drain) requests */ struct completion drain_complete; atomic_t drain; + atomic_t inflight; /* One thread per one blkif. */ struct task_struct *xenblkd; unsigned int waiting_reqs; @@ -376,6 +377,7 @@ int xen_blkif_xenbus_init(void); irqreturn_t xen_blkif_be_int(int irq, void *dev_id); int xen_blkif_schedule(void *arg); int xen_blkif_purge_persistent(void *arg); +void xen_blkbk_free_caches(struct xen_blkif *blkif); int xen_blkbk_flush_diskcache(struct xenbus_transaction xbt, struct backend_info *be, int state); @@ -383,6 +385,7 @@ int xen_blkbk_flush_diskcache(struct xenbus_transaction xbt, int xen_blkbk_barrier(struct xenbus_transaction xbt, struct backend_info *be, int state); struct xenbus_device *xen_blkbk_xenbus(struct backend_info *be); +void xen_blkbk_unmap_purged_grants(struct work_struct *work); static inline void blkif_get_x86_32_req(struct blkif_request *dst, struct blkif_x86_32_request *src) diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index c2014a0aa206..9a547e6b6ebf 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -125,8 +125,11 @@ static struct xen_blkif *xen_blkif_alloc(domid_t domid) blkif->persistent_gnts.rb_node = NULL; spin_lock_init(&blkif->free_pages_lock); INIT_LIST_HEAD(&blkif->free_pages); + INIT_LIST_HEAD(&blkif->persistent_purge_list); blkif->free_pages_num = 0; atomic_set(&blkif->persistent_gnt_in_use, 0); + atomic_set(&blkif->inflight, 0); + INIT_WORK(&blkif->persistent_purge_work, xen_blkbk_unmap_purged_grants); INIT_LIST_HEAD(&blkif->pending_free); @@ -259,6 +262,17 @@ static void xen_blkif_free(struct xen_blkif *blkif) if (!atomic_dec_and_test(&blkif->refcnt)) BUG(); + /* Remove all persistent grants and the cache of ballooned pages. */ + xen_blkbk_free_caches(blkif); + + /* Make sure everything is drained before shutting down */ + BUG_ON(blkif->persistent_gnt_c != 0); + BUG_ON(atomic_read(&blkif->persistent_gnt_in_use) != 0); + BUG_ON(blkif->free_pages_num != 0); + BUG_ON(!list_empty(&blkif->persistent_purge_list)); + BUG_ON(!list_empty(&blkif->free_pages)); + BUG_ON(!RB_EMPTY_ROOT(&blkif->persistent_gnts)); + /* Check that there is no request in use */ list_for_each_entry_safe(req, n, &blkif->pending_free, free_list) { list_del(&req->free_list); diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 8dcfb54f1603..efe1b4761735 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -162,7 +162,7 @@ static DEFINE_SPINLOCK(minor_lock); #define DEV_NAME "xvd" /* name in /dev */ #define SEGS_PER_INDIRECT_FRAME \ - (PAGE_SIZE/sizeof(struct blkif_request_segment_aligned)) + (PAGE_SIZE/sizeof(struct blkif_request_segment)) #define INDIRECT_GREFS(_segs) \ ((_segs + SEGS_PER_INDIRECT_FRAME - 1)/SEGS_PER_INDIRECT_FRAME) @@ -393,7 +393,7 @@ static int blkif_queue_request(struct request *req) unsigned long id; unsigned int fsect, lsect; int i, ref, n; - struct blkif_request_segment_aligned *segments = NULL; + struct blkif_request_segment *segments = NULL; /* * Used to store if we are able to queue the request by just using @@ -550,7 +550,7 @@ static int blkif_queue_request(struct request *req) } else { n = i % SEGS_PER_INDIRECT_FRAME; segments[n] = - (struct blkif_request_segment_aligned) { + (struct blkif_request_segment) { .gref = ref, .first_sect = fsect, .last_sect = lsect }; @@ -1904,13 +1904,16 @@ static void blkback_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateConnected: blkfront_connect(info); break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's Closing state -- fallthrough */ case XenbusStateClosing: blkfront_closing(info); break; diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c index 6c4c000671c5..1e5481d88a26 100644 --- a/drivers/crypto/nx/nx-842.c +++ b/drivers/crypto/nx/nx-842.c @@ -158,6 +158,15 @@ static inline unsigned long nx842_get_scatterlist_size( return sl->entry_nr * sizeof(struct nx842_slentry); } +static inline unsigned long nx842_get_pa(void *addr) +{ + if (is_vmalloc_addr(addr)) + return page_to_phys(vmalloc_to_page(addr)) + + offset_in_page(addr); + else + return __pa(addr); +} + static int nx842_build_scatterlist(unsigned long buf, int len, struct nx842_scatterlist *sl) { @@ -168,7 +177,7 @@ static int nx842_build_scatterlist(unsigned long buf, int len, entry = sl->entries; while (len) { - entry->ptr = __pa(buf); + entry->ptr = nx842_get_pa((void *)buf); nextpage = ALIGN(buf + 1, NX842_HW_PAGE_SIZE); if (nextpage < buf + len) { /* we aren't at the end yet */ @@ -370,8 +379,8 @@ int nx842_compress(const unsigned char *in, unsigned int inlen, op.flags = NX842_OP_COMPRESS; csbcpb = &workmem->csbcpb; memset(csbcpb, 0, sizeof(*csbcpb)); - op.csbcpb = __pa(csbcpb); - op.out = __pa(slout.entries); + op.csbcpb = nx842_get_pa(csbcpb); + op.out = nx842_get_pa(slout.entries); for (i = 0; i < hdr->blocks_nr; i++) { /* @@ -401,13 +410,13 @@ int nx842_compress(const unsigned char *in, unsigned int inlen, */ if (likely(max_sync_size == NX842_HW_PAGE_SIZE)) { /* Create direct DDE */ - op.in = __pa(inbuf); + op.in = nx842_get_pa((void *)inbuf); op.inlen = max_sync_size; } else { /* Create indirect DDE (scatterlist) */ nx842_build_scatterlist(inbuf, max_sync_size, &slin); - op.in = __pa(slin.entries); + op.in = nx842_get_pa(slin.entries); op.inlen = -nx842_get_scatterlist_size(&slin); } @@ -565,7 +574,7 @@ int nx842_decompress(const unsigned char *in, unsigned int inlen, op.flags = NX842_OP_DECOMPRESS; csbcpb = &workmem->csbcpb; memset(csbcpb, 0, sizeof(*csbcpb)); - op.csbcpb = __pa(csbcpb); + op.csbcpb = nx842_get_pa(csbcpb); /* * max_sync_size may have changed since compression, @@ -597,12 +606,12 @@ int nx842_decompress(const unsigned char *in, unsigned int inlen, if (likely((inbuf & NX842_HW_PAGE_MASK) == ((inbuf + hdr->sizes[i] - 1) & NX842_HW_PAGE_MASK))) { /* Create direct DDE */ - op.in = __pa(inbuf); + op.in = nx842_get_pa((void *)inbuf); op.inlen = hdr->sizes[i]; } else { /* Create indirect DDE (scatterlist) */ nx842_build_scatterlist(inbuf, hdr->sizes[i] , &slin); - op.in = __pa(slin.entries); + op.in = nx842_get_pa(slin.entries); op.inlen = -nx842_get_scatterlist_size(&slin); } @@ -613,12 +622,12 @@ int nx842_decompress(const unsigned char *in, unsigned int inlen, */ if (likely(max_sync_size == NX842_HW_PAGE_SIZE)) { /* Create direct DDE */ - op.out = __pa(outbuf); + op.out = nx842_get_pa((void *)outbuf); op.outlen = max_sync_size; } else { /* Create indirect DDE (scatterlist) */ nx842_build_scatterlist(outbuf, max_sync_size, &slout); - op.out = __pa(slout.entries); + op.out = nx842_get_pa(slout.entries); op.outlen = -nx842_get_scatterlist_size(&slout); } diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 51c0362acf5c..8ec1747b1c39 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -61,7 +61,7 @@ static int edac_set_poll_msec(const char *val, struct kernel_param *kp) ret = kstrtol(val, 0, &l); if (ret) return ret; - if ((int)l != l) + if (!l || ((int)l != l)) return -EINVAL; *((int *)kp->arg) = l; diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 697338772b64..903f24d28ba0 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -403,6 +403,7 @@ config GPIO_GRGPIO config GPIO_TB10X bool + select GENERIC_IRQ_CHIP select OF_GPIO comment "I2C GPIO expanders:" diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index 233d088ac59f..f32357e2d78d 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012-2013 Broadcom Corporation + * Copyright (C) 2012-2014 Broadcom Corporation * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -657,6 +657,6 @@ static struct platform_driver bcm_kona_gpio_driver = { module_platform_driver(bcm_kona_gpio_driver); -MODULE_AUTHOR("Broadcom"); +MODULE_AUTHOR("Broadcom Corporation <bcm-kernel-feedback-list@broadcom.com>"); MODULE_DESCRIPTION("Broadcom Kona GPIO Driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpio/gpio-clps711x.c b/drivers/gpio/gpio-clps711x.c index d3550274b8f7..3c2ba2ad0ada 100644 --- a/drivers/gpio/gpio-clps711x.c +++ b/drivers/gpio/gpio-clps711x.c @@ -97,3 +97,4 @@ module_platform_driver(clps711x_gpio_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Alexander Shiyan <shc_work@mail.ru>"); MODULE_DESCRIPTION("CLPS711X GPIO driver"); +MODULE_ALIAS("platform:clps711x-gpio"); diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c index d1b50ef5fab8..e585163f1ad5 100644 --- a/drivers/gpio/gpio-intel-mid.c +++ b/drivers/gpio/gpio-intel-mid.c @@ -394,8 +394,8 @@ static const struct irq_domain_ops intel_gpio_irq_ops = { static int intel_gpio_runtime_idle(struct device *dev) { - pm_schedule_suspend(dev, 500); - return -EBUSY; + int err = pm_schedule_suspend(dev, 500); + return err ?: -EBUSY; } static const struct dev_pm_ops intel_gpio_pm_ops = { diff --git a/drivers/gpio/gpio-xtensa.c b/drivers/gpio/gpio-xtensa.c index 1d136eceda62..7081304d6797 100644 --- a/drivers/gpio/gpio-xtensa.c +++ b/drivers/gpio/gpio-xtensa.c @@ -40,6 +40,8 @@ #error GPIO32 option is not enabled for your xtensa core variant #endif +#if XCHAL_HAVE_CP + static inline unsigned long enable_cp(unsigned long *cpenable) { unsigned long flags; @@ -57,6 +59,20 @@ static inline void disable_cp(unsigned long flags, unsigned long cpenable) local_irq_restore(flags); } +#else + +static inline unsigned long enable_cp(unsigned long *cpenable) +{ + *cpenable = 0; /* avoid uninitialized value warning */ + return 0; +} + +static inline void disable_cp(unsigned long flags, unsigned long cpenable) +{ +} + +#endif /* XCHAL_HAVE_CP */ + static int xtensa_impwire_get_direction(struct gpio_chip *gc, unsigned offset) { return 1; /* input only */ diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index f227f544aa36..6e1a1a20cf6b 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -51,7 +51,7 @@ config DRM_EXYNOS_G2D config DRM_EXYNOS_IPP bool "Exynos DRM IPP" - depends on DRM_EXYNOS && !ARCH_MULTIPLATFORM + depends on DRM_EXYNOS help Choose this option if you want to use IPP feature for DRM. @@ -69,6 +69,6 @@ config DRM_EXYNOS_ROTATOR config DRM_EXYNOS_GSC bool "Exynos DRM GSC" - depends on DRM_EXYNOS_IPP && ARCH_EXYNOS5 + depends on DRM_EXYNOS_IPP && ARCH_EXYNOS5 && !ARCH_MULTIPLATFORM help Choose this option if you want to use Exynos GSC for DRM. diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 9d096a0c5f8d..215131ab1dd2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -171,22 +171,24 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) file->driver_priv = file_priv; ret = exynos_drm_subdrv_open(dev, file); - if (ret) { - kfree(file_priv); - file->driver_priv = NULL; - } + if (ret) + goto out; anon_filp = anon_inode_getfile("exynos_gem", &exynos_drm_gem_fops, NULL, 0); if (IS_ERR(anon_filp)) { - kfree(file_priv); - return PTR_ERR(anon_filp); + ret = PTR_ERR(anon_filp); + goto out; } anon_filp->f_mode = FMODE_READ | FMODE_WRITE; file_priv->anon_filp = anon_filp; return ret; +out: + kfree(file_priv); + file->driver_priv = NULL; + return ret; } static void exynos_drm_preclose(struct drm_device *dev, diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 380aec28840b..6c1885eedfdf 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -607,7 +607,7 @@ static enum g2d_reg_type g2d_get_reg_type(int reg_offset) reg_type = REG_TYPE_NONE; DRM_ERROR("Unknown register offset![%d]\n", reg_offset); break; - }; + } return reg_type; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index d519a4e5fe40..09312b877470 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -16,7 +16,6 @@ #include <linux/types.h> #include <linux/clk.h> #include <linux/pm_runtime.h> -#include <plat/map-base.h> #include <drm/drmP.h> #include <drm/exynos_drm.h> @@ -826,7 +825,7 @@ static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, DRM_DEBUG_KMS("count[%d]e[0x%x]\n", count++, (int)e); /* - * quf == NULL condition means all event deletion. + * qbuf == NULL condition means all event deletion. * stop operations want to delete all event list. * another case delete only same buf id. */ diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index a0e10aeb0e67..c021ddc1ffb4 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -34,6 +34,7 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_gpio.h> +#include <linux/hdmi.h> #include <drm/exynos_drm.h> @@ -59,19 +60,6 @@ #define HDMI_AUI_VERSION 0x01 #define HDMI_AUI_LENGTH 0x0A -/* HDMI infoframe to configure HDMI out packet header, AUI and AVI */ -enum HDMI_PACKET_TYPE { - /* refer to Table 5-8 Packet Type in HDMI specification v1.4a */ - /* InfoFrame packet type */ - HDMI_PACKET_TYPE_INFOFRAME = 0x80, - /* Vendor-Specific InfoFrame */ - HDMI_PACKET_TYPE_VSI = HDMI_PACKET_TYPE_INFOFRAME + 1, - /* Auxiliary Video information InfoFrame */ - HDMI_PACKET_TYPE_AVI = HDMI_PACKET_TYPE_INFOFRAME + 2, - /* Audio information InfoFrame */ - HDMI_PACKET_TYPE_AUI = HDMI_PACKET_TYPE_INFOFRAME + 4 -}; - enum hdmi_type { HDMI_TYPE13, HDMI_TYPE14, @@ -379,12 +367,6 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = { }, }; -struct hdmi_infoframe { - enum HDMI_PACKET_TYPE type; - u8 ver; - u8 len; -}; - static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id) { return readl(hdata->regs + reg_id); @@ -682,7 +664,7 @@ static u8 hdmi_chksum(struct hdmi_context *hdata, } static void hdmi_reg_infoframe(struct hdmi_context *hdata, - struct hdmi_infoframe *infoframe) + union hdmi_infoframe *infoframe) { u32 hdr_sum; u8 chksum; @@ -700,13 +682,15 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata, return; } - switch (infoframe->type) { - case HDMI_PACKET_TYPE_AVI: + switch (infoframe->any.type) { + case HDMI_INFOFRAME_TYPE_AVI: hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC); - hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->type); - hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1, infoframe->ver); - hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->len); - hdr_sum = infoframe->type + infoframe->ver + infoframe->len; + hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->any.type); + hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1, + infoframe->any.version); + hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->any.length); + hdr_sum = infoframe->any.type + infoframe->any.version + + infoframe->any.length; /* Output format zero hardcoded ,RGB YBCR selection */ hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 0 << 5 | @@ -722,18 +706,20 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata, hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(4), vic); chksum = hdmi_chksum(hdata, HDMI_AVI_BYTE(1), - infoframe->len, hdr_sum); + infoframe->any.length, hdr_sum); DRM_DEBUG_KMS("AVI checksum = 0x%x\n", chksum); hdmi_reg_writeb(hdata, HDMI_AVI_CHECK_SUM, chksum); break; - case HDMI_PACKET_TYPE_AUI: + case HDMI_INFOFRAME_TYPE_AUDIO: hdmi_reg_writeb(hdata, HDMI_AUI_CON, 0x02); - hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->type); - hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1, infoframe->ver); - hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->len); - hdr_sum = infoframe->type + infoframe->ver + infoframe->len; + hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->any.type); + hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1, + infoframe->any.version); + hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->any.length); + hdr_sum = infoframe->any.type + infoframe->any.version + + infoframe->any.length; chksum = hdmi_chksum(hdata, HDMI_AUI_BYTE(1), - infoframe->len, hdr_sum); + infoframe->any.length, hdr_sum); DRM_DEBUG_KMS("AUI checksum = 0x%x\n", chksum); hdmi_reg_writeb(hdata, HDMI_AUI_CHECK_SUM, chksum); break; @@ -985,7 +971,7 @@ static void hdmi_conf_reset(struct hdmi_context *hdata) static void hdmi_conf_init(struct hdmi_context *hdata) { - struct hdmi_infoframe infoframe; + union hdmi_infoframe infoframe; /* disable HPD interrupts from HDMI IP block, use GPIO instead */ hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL | @@ -1021,14 +1007,14 @@ static void hdmi_conf_init(struct hdmi_context *hdata) hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02); hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04); } else { - infoframe.type = HDMI_PACKET_TYPE_AVI; - infoframe.ver = HDMI_AVI_VERSION; - infoframe.len = HDMI_AVI_LENGTH; + infoframe.any.type = HDMI_INFOFRAME_TYPE_AVI; + infoframe.any.version = HDMI_AVI_VERSION; + infoframe.any.length = HDMI_AVI_LENGTH; hdmi_reg_infoframe(hdata, &infoframe); - infoframe.type = HDMI_PACKET_TYPE_AUI; - infoframe.ver = HDMI_AUI_VERSION; - infoframe.len = HDMI_AUI_LENGTH; + infoframe.any.type = HDMI_INFOFRAME_TYPE_AUDIO; + infoframe.any.version = HDMI_AUI_VERSION; + infoframe.any.length = HDMI_AUI_LENGTH; hdmi_reg_infoframe(hdata, &infoframe); /* enable AVI packet every vsync, fixes purple line problem */ diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 400b0c4a10fb..fa18cf374470 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -208,7 +208,7 @@ struct tda998x_priv { # define PLL_SERIAL_1_SRL_IZ(x) (((x) & 3) << 1) # define PLL_SERIAL_1_SRL_MAN_IZ (1 << 6) #define REG_PLL_SERIAL_2 REG(0x02, 0x01) /* read/write */ -# define PLL_SERIAL_2_SRL_NOSC(x) (((x) & 3) << 0) +# define PLL_SERIAL_2_SRL_NOSC(x) ((x) << 0) # define PLL_SERIAL_2_SRL_PR(x) (((x) & 0xf) << 4) #define REG_PLL_SERIAL_3 REG(0x02, 0x02) /* read/write */ # define PLL_SERIAL_3_SRL_CCIR (1 << 0) @@ -528,10 +528,10 @@ tda998x_write_aif(struct drm_encoder *encoder, struct tda998x_encoder_params *p) { uint8_t buf[PB(5) + 1]; + memset(buf, 0, sizeof(buf)); buf[HB(0)] = 0x84; buf[HB(1)] = 0x01; buf[HB(2)] = 10; - buf[PB(0)] = 0; buf[PB(1)] = p->audio_frame[1] & 0x07; /* CC */ buf[PB(2)] = p->audio_frame[2] & 0x1c; /* SF */ buf[PB(4)] = p->audio_frame[4]; @@ -824,6 +824,11 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder, } div = 148500 / mode->clock; + if (div != 0) { + div--; + if (div > 3) + div = 3; + } /* mute the audio FIFO: */ reg_set(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO); @@ -913,7 +918,7 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder, if (priv->rev == TDA19988) { /* let incoming pixels fill the active space (if any) */ - reg_write(encoder, REG_ENABLE_SPACE, 0x01); + reg_write(encoder, REG_ENABLE_SPACE, 0x00); } /* must be last register set: */ @@ -1094,6 +1099,8 @@ tda998x_encoder_destroy(struct drm_encoder *encoder) { struct tda998x_priv *priv = to_tda998x_priv(encoder); drm_i2c_encoder_destroy(encoder); + if (priv->cec) + i2c_unregister_device(priv->cec); kfree(priv); } @@ -1142,8 +1149,10 @@ tda998x_encoder_init(struct i2c_client *client, priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(0) | VIP_CNTRL_1_SWAP_D(1); priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(4) | VIP_CNTRL_2_SWAP_F(5); - priv->current_page = 0; + priv->current_page = 0xff; priv->cec = i2c_new_dummy(client->adapter, 0x34); + if (!priv->cec) + return -ENODEV; priv->dpms = DRM_MODE_DPMS_OFF; encoder_slave->slave_priv = priv; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 4a2bf8e3f739..df77e20e3c3d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1831,6 +1831,14 @@ struct drm_i915_file_private { /* Early gen2 have a totally busted CS tlb and require pinned batches. */ #define HAS_BROKEN_CS_TLB(dev) (IS_I830(dev) || IS_845G(dev)) +/* + * dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts + * even when in MSI mode. This results in spurious interrupt warnings if the + * legacy irq no. is shared with another device. The kernel then disables that + * interrupt source and so prevents the other device from working properly. + */ +#define HAS_AUX_IRQ(dev) (INTEL_INFO(dev)->gen >= 5) +#define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->gen >= 5) /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte * rows, which changed the alignment requirements and fence programming. diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index d7fd2fd2f0a5..990cf8f43efd 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -146,7 +146,10 @@ static void i915_error_vprintf(struct drm_i915_error_state_buf *e, va_list tmp; va_copy(tmp, args); - if (!__i915_error_seek(e, vsnprintf(NULL, 0, f, tmp))) + len = vsnprintf(NULL, 0, f, tmp); + va_end(tmp); + + if (!__i915_error_seek(e, len)) return; } diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 17d8fcb1b6f7..9fec71175571 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -567,8 +567,7 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, int pipe) vbl_start = mode->crtc_vblank_start * mode->crtc_htotal; } else { - enum transcoder cpu_transcoder = - intel_pipe_to_cpu_transcoder(dev_priv, pipe); + enum transcoder cpu_transcoder = (enum transcoder) pipe; u32 htotal; htotal = ((I915_READ(HTOTAL(cpu_transcoder)) >> 16) & 0x1fff) + 1; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 5ede4e8e290d..2f517b85b3f4 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -404,7 +404,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, int i, ret, recv_bytes; uint32_t status; int try, precharge, clock = 0; - bool has_aux_irq = true; + bool has_aux_irq = HAS_AUX_IRQ(dev); uint32_t timeout; /* dp aux is extremely sensitive to irq latency, hence request the @@ -1869,10 +1869,12 @@ static void vlv_pre_enable_dp(struct intel_encoder *encoder) mutex_unlock(&dev_priv->dpio_lock); - /* init power sequencer on this pipe and port */ - intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq); - intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, - &power_seq); + if (is_edp(intel_dp)) { + /* init power sequencer on this pipe and port */ + intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq); + intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, + &power_seq); + } intel_enable_dp(encoder); diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index b1dc33f47899..d33b61d0dd33 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -258,13 +258,6 @@ intel_gpio_setup(struct intel_gmbus *bus, u32 pin) algo->data = bus; } -/* - * gmbus on gen4 seems to be able to generate legacy interrupts even when in MSI - * mode. This results in spurious interrupt warnings if the legacy irq no. is - * shared with another device. The kernel then disables that interrupt source - * and so prevents the other device from working properly. - */ -#define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->gen >= 5) static int gmbus_wait_hw_status(struct drm_i915_private *dev_priv, u32 gmbus2_status, diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 4e960ec7419f..acde2945eb8a 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -226,6 +226,8 @@ struct opregion_asle { #define ACPI_DIGITAL_OUTPUT (3<<8) #define ACPI_LVDS_OUTPUT (4<<8) +#define MAX_DSLP 1500 + #ifdef CONFIG_ACPI static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out) { @@ -260,10 +262,11 @@ static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out) /* The spec says 2ms should be the default, but it's too small * for some machines. */ dslp = 50; - } else if (dslp > 500) { + } else if (dslp > MAX_DSLP) { /* Hey bios, trust must be earned. */ - WARN_ONCE(1, "excessive driver sleep timeout (DSPL) %u\n", dslp); - dslp = 500; + DRM_INFO_ONCE("ACPI BIOS requests an excessive sleep of %u ms, " + "using %u ms instead\n", dslp, MAX_DSLP); + dslp = MAX_DSLP; } /* The spec tells us to do this, but we are the only user... */ diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index 1964f4f0d452..84c5b13b33c9 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -39,6 +39,7 @@ struct mdp4_crtc { spinlock_t lock; bool stale; uint32_t width, height; + uint32_t x, y; /* next cursor to scan-out: */ uint32_t next_iova; @@ -57,9 +58,16 @@ struct mdp4_crtc { #define PENDING_FLIP 0x2 atomic_t pending; - /* the fb that we currently hold a scanout ref to: */ + /* the fb that we logically (from PoV of KMS API) hold a ref + * to. Which we may not yet be scanning out (we may still + * be scanning out previous in case of page_flip while waiting + * for gpu rendering to complete: + */ struct drm_framebuffer *fb; + /* the fb that we currently hold a scanout ref to: */ + struct drm_framebuffer *scanout_fb; + /* for unref'ing framebuffers after scanout completes: */ struct drm_flip_work unref_fb_work; @@ -77,24 +85,73 @@ static struct mdp4_kms *get_kms(struct drm_crtc *crtc) return to_mdp4_kms(to_mdp_kms(priv->kms)); } -static void update_fb(struct drm_crtc *crtc, bool async, - struct drm_framebuffer *new_fb) +static void request_pending(struct drm_crtc *crtc, uint32_t pending) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct drm_framebuffer *old_fb = mdp4_crtc->fb; - if (old_fb) - drm_flip_work_queue(&mdp4_crtc->unref_fb_work, old_fb); + atomic_or(pending, &mdp4_crtc->pending); + mdp_irq_register(&get_kms(crtc)->base, &mdp4_crtc->vblank); +} + +static void crtc_flush(struct drm_crtc *crtc) +{ + struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); + struct mdp4_kms *mdp4_kms = get_kms(crtc); + uint32_t i, flush = 0; + + for (i = 0; i < ARRAY_SIZE(mdp4_crtc->planes); i++) { + struct drm_plane *plane = mdp4_crtc->planes[i]; + if (plane) { + enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); + flush |= pipe2flush(pipe_id); + } + } + flush |= ovlp2flush(mdp4_crtc->ovlp); + + DBG("%s: flush=%08x", mdp4_crtc->name, flush); + + mdp4_write(mdp4_kms, REG_MDP4_OVERLAY_FLUSH, flush); +} + +static void update_fb(struct drm_crtc *crtc, struct drm_framebuffer *new_fb) +{ + struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); + struct drm_framebuffer *old_fb = mdp4_crtc->fb; /* grab reference to incoming scanout fb: */ drm_framebuffer_reference(new_fb); mdp4_crtc->base.fb = new_fb; mdp4_crtc->fb = new_fb; - if (!async) { - /* enable vblank to pick up the old_fb */ - mdp_irq_register(&get_kms(crtc)->base, &mdp4_crtc->vblank); - } + if (old_fb) + drm_flip_work_queue(&mdp4_crtc->unref_fb_work, old_fb); +} + +/* unlike update_fb(), take a ref to the new scanout fb *before* updating + * plane, then call this. Needed to ensure we don't unref the buffer that + * is actually still being scanned out. + * + * Note that this whole thing goes away with atomic.. since we can defer + * calling into driver until rendering is done. + */ +static void update_scanout(struct drm_crtc *crtc, struct drm_framebuffer *fb) +{ + struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); + + /* flush updates, to make sure hw is updated to new scanout fb, + * so that we can safely queue unref to current fb (ie. next + * vblank we know hw is done w/ previous scanout_fb). + */ + crtc_flush(crtc); + + if (mdp4_crtc->scanout_fb) + drm_flip_work_queue(&mdp4_crtc->unref_fb_work, + mdp4_crtc->scanout_fb); + + mdp4_crtc->scanout_fb = fb; + + /* enable vblank to complete flip: */ + request_pending(crtc, PENDING_FLIP); } /* if file!=NULL, this is preclose potential cancel-flip path */ @@ -120,34 +177,6 @@ static void complete_flip(struct drm_crtc *crtc, struct drm_file *file) spin_unlock_irqrestore(&dev->event_lock, flags); } -static void crtc_flush(struct drm_crtc *crtc) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - uint32_t i, flush = 0; - - for (i = 0; i < ARRAY_SIZE(mdp4_crtc->planes); i++) { - struct drm_plane *plane = mdp4_crtc->planes[i]; - if (plane) { - enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); - flush |= pipe2flush(pipe_id); - } - } - flush |= ovlp2flush(mdp4_crtc->ovlp); - - DBG("%s: flush=%08x", mdp4_crtc->name, flush); - - mdp4_write(mdp4_kms, REG_MDP4_OVERLAY_FLUSH, flush); -} - -static void request_pending(struct drm_crtc *crtc, uint32_t pending) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - - atomic_or(pending, &mdp4_crtc->pending); - mdp_irq_register(&get_kms(crtc)->base, &mdp4_crtc->vblank); -} - static void pageflip_cb(struct msm_fence_cb *cb) { struct mdp4_crtc *mdp4_crtc = @@ -158,11 +187,9 @@ static void pageflip_cb(struct msm_fence_cb *cb) if (!fb) return; + drm_framebuffer_reference(fb); mdp4_plane_set_scanout(mdp4_crtc->plane, fb); - crtc_flush(crtc); - - /* enable vblank to complete flip: */ - request_pending(crtc, PENDING_FLIP); + update_scanout(crtc, fb); } static void unref_fb_worker(struct drm_flip_work *work, void *val) @@ -320,6 +347,20 @@ static int mdp4_crtc_mode_set(struct drm_crtc *crtc, mode->vsync_end, mode->vtotal, mode->type, mode->flags); + /* grab extra ref for update_scanout() */ + drm_framebuffer_reference(crtc->fb); + + ret = mdp4_plane_mode_set(mdp4_crtc->plane, crtc, crtc->fb, + 0, 0, mode->hdisplay, mode->vdisplay, + x << 16, y << 16, + mode->hdisplay << 16, mode->vdisplay << 16); + if (ret) { + drm_framebuffer_unreference(crtc->fb); + dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n", + mdp4_crtc->name, ret); + return ret; + } + mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_SIZE(dma), MDP4_DMA_SRC_SIZE_WIDTH(mode->hdisplay) | MDP4_DMA_SRC_SIZE_HEIGHT(mode->vdisplay)); @@ -341,24 +382,15 @@ static int mdp4_crtc_mode_set(struct drm_crtc *crtc, mdp4_write(mdp4_kms, REG_MDP4_OVLP_CFG(ovlp), 1); - update_fb(crtc, false, crtc->fb); - - ret = mdp4_plane_mode_set(mdp4_crtc->plane, crtc, crtc->fb, - 0, 0, mode->hdisplay, mode->vdisplay, - x << 16, y << 16, - mode->hdisplay << 16, mode->vdisplay << 16); - if (ret) { - dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n", - mdp4_crtc->name, ret); - return ret; - } - if (dma == DMA_E) { mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(0), 0x00ff0000); mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(1), 0x00ff0000); mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(2), 0x00ff0000); } + update_fb(crtc, crtc->fb); + update_scanout(crtc, crtc->fb); + return 0; } @@ -385,13 +417,24 @@ static int mdp4_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct drm_plane *plane = mdp4_crtc->plane; struct drm_display_mode *mode = &crtc->mode; + int ret; - update_fb(crtc, false, crtc->fb); + /* grab extra ref for update_scanout() */ + drm_framebuffer_reference(crtc->fb); - return mdp4_plane_mode_set(plane, crtc, crtc->fb, + ret = mdp4_plane_mode_set(plane, crtc, crtc->fb, 0, 0, mode->hdisplay, mode->vdisplay, x << 16, y << 16, mode->hdisplay << 16, mode->vdisplay << 16); + if (ret) { + drm_framebuffer_unreference(crtc->fb); + return ret; + } + + update_fb(crtc, crtc->fb); + update_scanout(crtc, crtc->fb); + + return 0; } static void mdp4_crtc_load_lut(struct drm_crtc *crtc) @@ -419,7 +462,7 @@ static int mdp4_crtc_page_flip(struct drm_crtc *crtc, mdp4_crtc->event = event; spin_unlock_irqrestore(&dev->event_lock, flags); - update_fb(crtc, true, new_fb); + update_fb(crtc, new_fb); return msm_gem_queue_inactive_cb(obj, &mdp4_crtc->pageflip_cb); } @@ -442,12 +485,12 @@ static int mdp4_crtc_set_property(struct drm_crtc *crtc, static void update_cursor(struct drm_crtc *crtc) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); + struct mdp4_kms *mdp4_kms = get_kms(crtc); enum mdp4_dma dma = mdp4_crtc->dma; unsigned long flags; spin_lock_irqsave(&mdp4_crtc->cursor.lock, flags); if (mdp4_crtc->cursor.stale) { - struct mdp4_kms *mdp4_kms = get_kms(crtc); struct drm_gem_object *next_bo = mdp4_crtc->cursor.next_bo; struct drm_gem_object *prev_bo = mdp4_crtc->cursor.scanout_bo; uint32_t iova = mdp4_crtc->cursor.next_iova; @@ -479,6 +522,11 @@ static void update_cursor(struct drm_crtc *crtc) mdp4_crtc->cursor.scanout_bo = next_bo; mdp4_crtc->cursor.stale = false; } + + mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_POS(dma), + MDP4_DMA_CURSOR_POS_X(mdp4_crtc->cursor.x) | + MDP4_DMA_CURSOR_POS_Y(mdp4_crtc->cursor.y)); + spin_unlock_irqrestore(&mdp4_crtc->cursor.lock, flags); } @@ -530,6 +578,7 @@ static int mdp4_crtc_cursor_set(struct drm_crtc *crtc, drm_gem_object_unreference_unlocked(old_bo); } + crtc_flush(crtc); request_pending(crtc, PENDING_CURSOR); return 0; @@ -542,12 +591,15 @@ fail: static int mdp4_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - enum mdp4_dma dma = mdp4_crtc->dma; + unsigned long flags; - mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_POS(dma), - MDP4_DMA_CURSOR_POS_X(x) | - MDP4_DMA_CURSOR_POS_Y(y)); + spin_lock_irqsave(&mdp4_crtc->cursor.lock, flags); + mdp4_crtc->cursor.x = x; + mdp4_crtc->cursor.y = y; + spin_unlock_irqrestore(&mdp4_crtc->cursor.lock, flags); + + crtc_flush(crtc); + request_pending(crtc, PENDING_CURSOR); return 0; } @@ -713,6 +765,7 @@ struct drm_crtc *mdp4_crtc_init(struct drm_device *dev, crtc = &mdp4_crtc->base; mdp4_crtc->plane = plane; + mdp4_crtc->id = id; mdp4_crtc->ovlp = ovlp_id; mdp4_crtc->dma = dma_id; diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c index 2406027200ec..1e893dd13859 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c @@ -170,8 +170,8 @@ int mdp4_plane_mode_set(struct drm_plane *plane, MDP4_PIPE_DST_SIZE_HEIGHT(crtc_h)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_XY(pipe), - MDP4_PIPE_SRC_XY_X(crtc_x) | - MDP4_PIPE_SRC_XY_Y(crtc_y)); + MDP4_PIPE_DST_XY_X(crtc_x) | + MDP4_PIPE_DST_XY_Y(crtc_y)); mdp4_plane_set_scanout(plane, fb); diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index 71a3b2345eb3..f2794021f086 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -296,6 +296,7 @@ static int mdp5_crtc_mode_set(struct drm_crtc *crtc, x << 16, y << 16, mode->hdisplay << 16, mode->vdisplay << 16); if (ret) { + drm_framebuffer_unreference(crtc->fb); dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n", mdp5_crtc->name, ret); return ret; @@ -343,11 +344,15 @@ static int mdp5_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 0, 0, mode->hdisplay, mode->vdisplay, x << 16, y << 16, mode->hdisplay << 16, mode->vdisplay << 16); + if (ret) { + drm_framebuffer_unreference(crtc->fb); + return ret; + } update_fb(crtc, crtc->fb); update_scanout(crtc, crtc->fb); - return ret; + return 0; } static void mdp5_crtc_load_lut(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index d8d60c969ac7..3da8264d3039 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -644,7 +644,7 @@ struct drm_gem_object *msm_gem_new(struct drm_device *dev, fail: if (obj) - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_unreference(obj); return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 5281d4bc37f7..5423e914e491 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -163,7 +163,7 @@ retry: /* if locking succeeded, pin bo: */ - ret = msm_gem_get_iova(&msm_obj->base, + ret = msm_gem_get_iova_locked(&msm_obj->base, submit->gpu->id, &iova); /* this would break the logic in the fail path.. there is no @@ -247,7 +247,7 @@ static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *ob /* For now, just map the entire thing. Eventually we probably * to do it page-by-page, w/ kmap() if not vmap()d.. */ - ptr = msm_gem_vaddr(&obj->base); + ptr = msm_gem_vaddr_locked(&obj->base); if (IS_ERR(ptr)) { ret = PTR_ERR(ptr); @@ -307,14 +307,12 @@ static void submit_cleanup(struct msm_gem_submit *submit, bool fail) { unsigned i; - mutex_lock(&submit->dev->struct_mutex); for (i = 0; i < submit->nr_bos; i++) { struct msm_gem_object *msm_obj = submit->bos[i].obj; submit_unlock_unpin_bo(submit, i); list_del_init(&msm_obj->submit_entry); drm_gem_object_unreference(&msm_obj->base); } - mutex_unlock(&submit->dev->struct_mutex); ww_acquire_fini(&submit->ticket); kfree(submit); @@ -342,6 +340,8 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (args->nr_cmds > MAX_CMDS) return -EINVAL; + mutex_lock(&dev->struct_mutex); + submit = submit_create(dev, gpu, args->nr_bos); if (!submit) { ret = -ENOMEM; @@ -410,5 +410,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, out: if (submit) submit_cleanup(submit, !!ret); + mutex_unlock(&dev->struct_mutex); return ret; } diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 4ebce8be489d..0cfe3f426ee4 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -298,8 +298,6 @@ int msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, struct msm_drm_private *priv = dev->dev_private; int i, ret; - mutex_lock(&dev->struct_mutex); - submit->fence = ++priv->next_fence; gpu->submitted_fence = submit->fence; @@ -331,7 +329,6 @@ int msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, msm_gem_move_to_active(&msm_obj->base, gpu, true, submit->fence); } hangcheck_timer_reset(gpu); - mutex_unlock(&dev->struct_mutex); return ret; } diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c index 0fbd36f3d4e9..ea103ccdf4bd 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.c +++ b/drivers/gpu/drm/radeon/btc_dpm.c @@ -29,6 +29,7 @@ #include "cypress_dpm.h" #include "btc_dpm.h" #include "atom.h" +#include <linux/seq_file.h> #define MC_CG_ARB_FREQ_F0 0x0a #define MC_CG_ARB_FREQ_F1 0x0b @@ -2756,6 +2757,37 @@ void btc_dpm_fini(struct radeon_device *rdev) r600_free_extended_power_table(rdev); } +void btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct radeon_ps *rps = &eg_pi->current_rps; + struct rv7xx_ps *ps = rv770_get_ps(rps); + struct rv7xx_pl *pl; + u32 current_index = + (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >> + CURRENT_PROFILE_INDEX_SHIFT; + + if (current_index > 2) { + seq_printf(m, "invalid dpm profile %d\n", current_index); + } else { + if (current_index == 0) + pl = &ps->low; + else if (current_index == 1) + pl = &ps->medium; + else /* current_index == 2 */ + pl = &ps->high; + seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); + if (rdev->family >= CHIP_CEDAR) { + seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u vddci: %u\n", + current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci); + } else { + seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n", + current_index, pl->sclk, pl->mclk, pl->vddc); + } + } +} + u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); diff --git a/drivers/gpu/drm/radeon/btcd.h b/drivers/gpu/drm/radeon/btcd.h index 29e32de7e025..9c65be2d55a9 100644 --- a/drivers/gpu/drm/radeon/btcd.h +++ b/drivers/gpu/drm/radeon/btcd.h @@ -44,6 +44,10 @@ # define DYN_SPREAD_SPECTRUM_EN (1 << 23) # define AC_DC_SW (1 << 24) +#define TARGET_AND_CURRENT_PROFILE_INDEX 0x66c +# define CURRENT_PROFILE_INDEX_MASK (0xf << 4) +# define CURRENT_PROFILE_INDEX_SHIFT 4 + #define CG_BIF_REQ_AND_RSP 0x7f4 #define CG_CLIENT_REQ(x) ((x) << 0) #define CG_CLIENT_REQ_MASK (0xff << 0) diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index b6e01d5d2cce..351db361239d 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -1223,7 +1223,7 @@ int kv_dpm_enable(struct radeon_device *rdev) int kv_dpm_late_enable(struct radeon_device *rdev) { - int ret; + int ret = 0; if (rdev->irq.installed && r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index c351226ecb31..1217fbcbdcca 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -3945,7 +3945,6 @@ static void ni_parse_pplib_clock_info(struct radeon_device *rdev, struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); struct ni_ps *ps = ni_get_ps(rps); - u16 vddc; struct rv7xx_pl *pl = &ps->performance_levels[index]; ps->performance_level_count = index + 1; @@ -3961,8 +3960,8 @@ static void ni_parse_pplib_clock_info(struct radeon_device *rdev, /* patch up vddc if necessary */ if (pl->vddc == 0xff01) { - if (radeon_atom_get_max_vddc(rdev, 0, 0, &vddc) == 0) - pl->vddc = vddc; + if (pi->max_vddc) + pl->vddc = pi->max_vddc; } if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) { @@ -4322,7 +4321,8 @@ void ni_dpm_print_power_state(struct radeon_device *rdev, void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, struct seq_file *m) { - struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct radeon_ps *rps = &eg_pi->current_rps; struct ni_ps *ps = ni_get_ps(rps); struct rv7xx_pl *pl; u32 current_index = diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 56140b4e5bb2..cdbc4171fe73 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -3991,6 +3991,10 @@ restart_ih: break; } break; + case 124: /* UVD */ + DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); + radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); + break; case 176: /* CP_INT in ring buffer */ case 177: /* CP_INT in IB1 */ case 178: /* CP_INT in IB2 */ diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index f74db43346fd..dda02bfc10a4 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1555,7 +1555,7 @@ static struct radeon_asic btc_asic = { .get_sclk = &btc_dpm_get_sclk, .get_mclk = &btc_dpm_get_mclk, .print_power_state = &rv770_dpm_print_power_state, - .debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level, + .debugfs_print_current_performance_level = &btc_dpm_debugfs_print_current_performance_level, .force_performance_level = &rv770_dpm_force_performance_level, .vblank_too_short = &btc_dpm_vblank_too_short, }, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index b3bc433eed4c..ae637cfda783 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -551,6 +551,8 @@ void btc_dpm_fini(struct radeon_device *rdev); u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low); u32 btc_dpm_get_mclk(struct radeon_device *rdev, bool low); bool btc_dpm_vblank_too_short(struct radeon_device *rdev); +void btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m); int sumo_dpm_init(struct radeon_device *rdev); int sumo_dpm_enable(struct radeon_device *rdev); int sumo_dpm_late_enable(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index 80c595aba359..5b2ea8ac0731 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -2174,7 +2174,6 @@ static void rv7xx_parse_pplib_clock_info(struct radeon_device *rdev, struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); struct rv7xx_ps *ps = rv770_get_ps(rps); u32 sclk, mclk; - u16 vddc; struct rv7xx_pl *pl; switch (index) { @@ -2214,8 +2213,8 @@ static void rv7xx_parse_pplib_clock_info(struct radeon_device *rdev, /* patch up vddc if necessary */ if (pl->vddc == 0xff01) { - if (radeon_atom_get_max_vddc(rdev, 0, 0, &vddc) == 0) - pl->vddc = vddc; + if (pi->max_vddc) + pl->vddc = pi->max_vddc; } if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) { diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 09ec4f6c53bb..83578324e5d1 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6338,6 +6338,10 @@ restart_ih: break; } break; + case 124: /* UVD */ + DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); + radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); + break; case 146: case 147: addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 0471501338fb..eafb0e6bc67e 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -6472,7 +6472,8 @@ void si_dpm_fini(struct radeon_device *rdev) void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, struct seq_file *m) { - struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct radeon_ps *rps = &eg_pi->current_rps; struct ni_ps *ps = ni_get_ps(rps); struct rv7xx_pl *pl; u32 current_index = diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index f121efe12dc5..8b47b3cd0357 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1807,7 +1807,7 @@ void sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev struct seq_file *m) { struct sumo_power_info *pi = sumo_get_pi(rdev); - struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct radeon_ps *rps = &pi->current_rps; struct sumo_ps *ps = sumo_get_ps(rps); struct sumo_pl *pl; u32 current_index = diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 2d447192d6f7..2da0e17eb960 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1926,7 +1926,8 @@ void trinity_dpm_print_power_state(struct radeon_device *rdev, void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, struct seq_file *m) { - struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct trinity_power_info *pi = trinity_get_pi(rdev); + struct radeon_ps *rps = &pi->current_rps; struct trinity_ps *ps = trinity_get_ps(rps); struct trinity_pl *pl; u32 current_index = diff --git a/drivers/gpu/drm/radeon/uvd_v2_2.c b/drivers/gpu/drm/radeon/uvd_v2_2.c index 824550db3fed..d1771004cb52 100644 --- a/drivers/gpu/drm/radeon/uvd_v2_2.c +++ b/drivers/gpu/drm/radeon/uvd_v2_2.c @@ -57,7 +57,6 @@ void uvd_v2_2_fence_emit(struct radeon_device *rdev, radeon_ring_write(ring, 0); radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0)); radeon_ring_write(ring, 2); - return; } /** diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index 8c23203915af..8a17f01e8672 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -145,7 +145,7 @@ struct ntc_data { static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) { struct iio_channel *channel = pdata->chan; - unsigned int result; + s64 result; int val, ret; ret = iio_read_channel_raw(channel, &val); @@ -155,10 +155,10 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) } /* unit: mV */ - result = pdata->pullup_uv * val; + result = pdata->pullup_uv * (s64) val; result >>= 12; - return result; + return (int)result; } static const struct of_device_id ntc_match[] = { diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c index d53cf519f42a..00400c352c1a 100644 --- a/drivers/infiniband/hw/amso1100/c2.c +++ b/drivers/infiniband/hw/amso1100/c2.c @@ -1082,6 +1082,7 @@ static int c2_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) /* Initialize network device */ if ((netdev = c2_devinit(c2dev, mmio_regs)) == NULL) { + ret = -ENOMEM; iounmap(mmio_regs); goto bail4; } @@ -1151,7 +1152,8 @@ static int c2_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) goto bail10; } - if (c2_register_device(c2dev)) + ret = c2_register_device(c2dev); + if (ret) goto bail10; return 0; diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c index b7c986990053..d2a6d961344b 100644 --- a/drivers/infiniband/hw/amso1100/c2_rnic.c +++ b/drivers/infiniband/hw/amso1100/c2_rnic.c @@ -576,7 +576,8 @@ int c2_rnic_init(struct c2_dev *c2dev) goto bail4; /* Initialize cached the adapter limits */ - if (c2_rnic_query(c2dev, &c2dev->props)) + err = c2_rnic_query(c2dev, &c2dev->props); + if (err) goto bail5; /* Initialize the PD pool */ diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 45126879ad28..d286bdebe2ab 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -3352,6 +3352,7 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb) goto free_dst; } + neigh_release(neigh); step = dev->rdev.lldi.nrxq / dev->rdev.lldi.nchan; rss_qid = dev->rdev.lldi.rxq_ids[pi->port_id * step]; window = (__force u16) htons((__force u16)tcph->window); diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index c2702f549f10..e81c5547e647 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -347,7 +347,7 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port, props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ? IB_WIDTH_4X : IB_WIDTH_1X; props->active_speed = IB_SPEED_QDR; - props->port_cap_flags = IB_PORT_CM_SUP; + props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS; props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; props->max_msg_sz = mdev->dev->caps.max_msg_sz; props->pkey_tbl_len = 1; @@ -1357,6 +1357,21 @@ static struct device_attribute *mlx4_class_attributes[] = { &dev_attr_board_id }; +static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, + struct net_device *dev) +{ + memcpy(eui, dev->dev_addr, 3); + memcpy(eui + 5, dev->dev_addr + 3, 3); + if (vlan_id < 0x1000) { + eui[3] = vlan_id >> 8; + eui[4] = vlan_id & 0xff; + } else { + eui[3] = 0xff; + eui[4] = 0xfe; + } + eui[0] ^= 2; +} + static void update_gids_task(struct work_struct *work) { struct update_gid_work *gw = container_of(work, struct update_gid_work, work); @@ -1393,7 +1408,6 @@ static void reset_gids_task(struct work_struct *work) struct mlx4_cmd_mailbox *mailbox; union ib_gid *gids; int err; - int i; struct mlx4_dev *dev = gw->dev->dev; mailbox = mlx4_alloc_cmd_mailbox(dev); @@ -1405,18 +1419,16 @@ static void reset_gids_task(struct work_struct *work) gids = mailbox->buf; memcpy(gids, gw->gids, sizeof(gw->gids)); - for (i = 1; i < gw->dev->num_ports + 1; i++) { - if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, i) == - IB_LINK_LAYER_ETHERNET) { - err = mlx4_cmd(dev, mailbox->dma, - MLX4_SET_PORT_GID_TABLE << 8 | i, - 1, MLX4_CMD_SET_PORT, - MLX4_CMD_TIME_CLASS_B, - MLX4_CMD_WRAPPED); - if (err) - pr_warn(KERN_WARNING - "set port %d command failed\n", i); - } + if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) == + IB_LINK_LAYER_ETHERNET) { + err = mlx4_cmd(dev, mailbox->dma, + MLX4_SET_PORT_GID_TABLE << 8 | gw->port, + 1, MLX4_CMD_SET_PORT, + MLX4_CMD_TIME_CLASS_B, + MLX4_CMD_WRAPPED); + if (err) + pr_warn(KERN_WARNING + "set port %d command failed\n", gw->port); } mlx4_free_cmd_mailbox(dev, mailbox); @@ -1425,7 +1437,8 @@ free: } static int update_gid_table(struct mlx4_ib_dev *dev, int port, - union ib_gid *gid, int clear) + union ib_gid *gid, int clear, + int default_gid) { struct update_gid_work *work; int i; @@ -1434,26 +1447,31 @@ static int update_gid_table(struct mlx4_ib_dev *dev, int port, int found = -1; int max_gids; - max_gids = dev->dev->caps.gid_table_len[port]; - for (i = 0; i < max_gids; ++i) { - if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, - sizeof(*gid))) - found = i; - - if (clear) { - if (found >= 0) { - need_update = 1; - dev->iboe.gid_table[port - 1][found] = zgid; - break; - } - } else { - if (found >= 0) - break; - - if (free < 0 && - !memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, + if (default_gid) { + free = 0; + } else { + max_gids = dev->dev->caps.gid_table_len[port]; + for (i = 1; i < max_gids; ++i) { + if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, sizeof(*gid))) - free = i; + found = i; + + if (clear) { + if (found >= 0) { + need_update = 1; + dev->iboe.gid_table[port - 1][found] = + zgid; + break; + } + } else { + if (found >= 0) + break; + + if (free < 0 && + !memcmp(&dev->iboe.gid_table[port - 1][i], + &zgid, sizeof(*gid))) + free = i; + } } } @@ -1478,18 +1496,26 @@ static int update_gid_table(struct mlx4_ib_dev *dev, int port, return 0; } -static int reset_gid_table(struct mlx4_ib_dev *dev) +static void mlx4_make_default_gid(struct net_device *dev, union ib_gid *gid) { - struct update_gid_work *work; + gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); + mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev); +} + +static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port) +{ + struct update_gid_work *work; work = kzalloc(sizeof(*work), GFP_ATOMIC); if (!work) return -ENOMEM; - memset(dev->iboe.gid_table, 0, sizeof(dev->iboe.gid_table)); + + memset(dev->iboe.gid_table[port - 1], 0, sizeof(work->gids)); memset(work->gids, 0, sizeof(work->gids)); INIT_WORK(&work->work, reset_gids_task); work->dev = dev; + work->port = port; queue_work(wq, &work->work); return 0; } @@ -1502,6 +1528,12 @@ static int mlx4_ib_addr_event(int event, struct net_device *event_netdev, struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ? rdma_vlan_dev_real_dev(event_netdev) : event_netdev; + union ib_gid default_gid; + + mlx4_make_default_gid(real_dev, &default_gid); + + if (!memcmp(gid, &default_gid, sizeof(*gid))) + return 0; if (event != NETDEV_DOWN && event != NETDEV_UP) return 0; @@ -1520,7 +1552,7 @@ static int mlx4_ib_addr_event(int event, struct net_device *event_netdev, (!netif_is_bond_master(real_dev) && (real_dev == iboe->netdevs[port - 1]))) update_gid_table(ibdev, port, gid, - event == NETDEV_DOWN); + event == NETDEV_DOWN, 0); spin_unlock(&iboe->lock); return 0; @@ -1536,7 +1568,6 @@ static u8 mlx4_ib_get_dev_port(struct net_device *dev, rdma_vlan_dev_real_dev(dev) : dev; iboe = &ibdev->iboe; - spin_lock(&iboe->lock); for (port = 1; port <= MLX4_MAX_PORTS; ++port) if ((netif_is_bond_master(real_dev) && @@ -1545,8 +1576,6 @@ static u8 mlx4_ib_get_dev_port(struct net_device *dev, (real_dev == iboe->netdevs[port - 1]))) break; - spin_unlock(&iboe->lock); - if ((port == 0) || (port > MLX4_MAX_PORTS)) return 0; else @@ -1607,7 +1636,7 @@ static void mlx4_ib_get_dev_addr(struct net_device *dev, /*ifa->ifa_address;*/ ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid); - update_gid_table(ibdev, port, &gid, 0); + update_gid_table(ibdev, port, &gid, 0, 0); } endfor_ifa(in_dev); in_dev_put(in_dev); @@ -1619,7 +1648,7 @@ static void mlx4_ib_get_dev_addr(struct net_device *dev, read_lock_bh(&in6_dev->lock); list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { pgid = (union ib_gid *)&ifp->addr; - update_gid_table(ibdev, port, pgid, 0); + update_gid_table(ibdev, port, pgid, 0, 0); } read_unlock_bh(&in6_dev->lock); in6_dev_put(in6_dev); @@ -1627,14 +1656,26 @@ static void mlx4_ib_get_dev_addr(struct net_device *dev, #endif } +static void mlx4_ib_set_default_gid(struct mlx4_ib_dev *ibdev, + struct net_device *dev, u8 port) +{ + union ib_gid gid; + mlx4_make_default_gid(dev, &gid); + update_gid_table(ibdev, port, &gid, 0, 1); +} + static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) { struct net_device *dev; + struct mlx4_ib_iboe *iboe = &ibdev->iboe; + int i; - if (reset_gid_table(ibdev)) - return -1; + for (i = 1; i <= ibdev->num_ports; ++i) + if (reset_gid_table(ibdev, i)) + return -1; read_lock(&dev_base_lock); + spin_lock(&iboe->lock); for_each_netdev(&init_net, dev) { u8 port = mlx4_ib_get_dev_port(dev, ibdev); @@ -1642,6 +1683,7 @@ static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) mlx4_ib_get_dev_addr(dev, ibdev, port); } + spin_unlock(&iboe->lock); read_unlock(&dev_base_lock); return 0; @@ -1656,25 +1698,57 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev) spin_lock(&iboe->lock); mlx4_foreach_ib_transport_port(port, ibdev->dev) { + enum ib_port_state port_state = IB_PORT_NOP; struct net_device *old_master = iboe->masters[port - 1]; + struct net_device *curr_netdev; struct net_device *curr_master; + iboe->netdevs[port - 1] = mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); + if (iboe->netdevs[port - 1]) + mlx4_ib_set_default_gid(ibdev, + iboe->netdevs[port - 1], port); + curr_netdev = iboe->netdevs[port - 1]; if (iboe->netdevs[port - 1] && netif_is_bond_slave(iboe->netdevs[port - 1])) { - rtnl_lock(); iboe->masters[port - 1] = netdev_master_upper_dev_get( iboe->netdevs[port - 1]); - rtnl_unlock(); + } else { + iboe->masters[port - 1] = NULL; } curr_master = iboe->masters[port - 1]; + if (curr_netdev) { + port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ? + IB_PORT_ACTIVE : IB_PORT_DOWN; + mlx4_ib_set_default_gid(ibdev, curr_netdev, port); + } else { + reset_gid_table(ibdev, port); + } + /* if using bonding/team and a slave port is down, we don't the bond IP + * based gids in the table since flows that select port by gid may get + * the down port. + */ + if (curr_master && (port_state == IB_PORT_DOWN)) { + reset_gid_table(ibdev, port); + mlx4_ib_set_default_gid(ibdev, curr_netdev, port); + } /* if bonding is used it is possible that we add it to masters - only after IP address is assigned to the net bonding - interface */ - if (curr_master && (old_master != curr_master)) + * only after IP address is assigned to the net bonding + * interface. + */ + if (curr_master && (old_master != curr_master)) { + reset_gid_table(ibdev, port); + mlx4_ib_set_default_gid(ibdev, curr_netdev, port); mlx4_ib_get_dev_addr(curr_master, ibdev, port); + } + + if (!curr_master && (old_master != curr_master)) { + reset_gid_table(ibdev, port); + mlx4_ib_set_default_gid(ibdev, curr_netdev, port); + mlx4_ib_get_dev_addr(curr_netdev, ibdev, port); + } } spin_unlock(&iboe->lock); @@ -1810,6 +1884,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) int i, j; int err; struct mlx4_ib_iboe *iboe; + int ib_num_ports = 0; pr_info_once("%s", mlx4_ib_version); @@ -1985,10 +2060,14 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->counters[i] = -1; } + mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) + ib_num_ports++; + spin_lock_init(&ibdev->sm_lock); mutex_init(&ibdev->cap_mask_mutex); - if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) { + if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED && + ib_num_ports) { ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS; err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count, MLX4_IB_UC_STEER_QPN_ALIGN, @@ -2051,7 +2130,11 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) } } #endif + for (i = 1 ; i <= ibdev->num_ports ; ++i) + reset_gid_table(ibdev, i); + rtnl_lock(); mlx4_ib_scan_netdevs(ibdev); + rtnl_unlock(); mlx4_ib_init_gid_table(ibdev); } diff --git a/drivers/infiniband/hw/mlx5/Kconfig b/drivers/infiniband/hw/mlx5/Kconfig index 8e6aebfaf8a4..10df386c6344 100644 --- a/drivers/infiniband/hw/mlx5/Kconfig +++ b/drivers/infiniband/hw/mlx5/Kconfig @@ -1,6 +1,6 @@ config MLX5_INFINIBAND tristate "Mellanox Connect-IB HCA support" - depends on NETDEVICES && ETHERNET && PCI && X86 + depends on NETDEVICES && ETHERNET && PCI select NET_VENDOR_MELLANOX select MLX5_CORE ---help--- diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 9660d093f8cf..aa03e732b6a8 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -261,8 +261,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | IB_DEVICE_PORT_ACTIVE_EVENT | IB_DEVICE_SYS_IMAGE_GUID | - IB_DEVICE_RC_RNR_NAK_GEN | - IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; + IB_DEVICE_RC_RNR_NAK_GEN; flags = dev->mdev.caps.flags; if (flags & MLX5_DEV_CAP_FLAG_BAD_PKEY_CNTR) props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; @@ -536,24 +535,38 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, struct ib_udata *udata) { struct mlx5_ib_dev *dev = to_mdev(ibdev); - struct mlx5_ib_alloc_ucontext_req req; + struct mlx5_ib_alloc_ucontext_req_v2 req; struct mlx5_ib_alloc_ucontext_resp resp; struct mlx5_ib_ucontext *context; struct mlx5_uuar_info *uuari; struct mlx5_uar *uars; int gross_uuars; int num_uars; + int ver; int uuarn; int err; int i; + int reqlen; if (!dev->ib_active) return ERR_PTR(-EAGAIN); - err = ib_copy_from_udata(&req, udata, sizeof(req)); + memset(&req, 0, sizeof(req)); + reqlen = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr); + if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) + ver = 0; + else if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req_v2)) + ver = 2; + else + return ERR_PTR(-EINVAL); + + err = ib_copy_from_udata(&req, udata, reqlen); if (err) return ERR_PTR(err); + if (req.flags || req.reserved) + return ERR_PTR(-EINVAL); + if (req.total_num_uuars > MLX5_MAX_UUARS) return ERR_PTR(-ENOMEM); @@ -626,6 +639,7 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, if (err) goto out_uars; + uuari->ver = ver; uuari->num_low_latency_uuars = req.num_low_latency_uuars; uuari->uars = uars; uuari->num_uars = num_uars; diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index ae37fb9bf262..7dfe8a1c84cf 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -216,7 +216,9 @@ static int sq_overhead(enum ib_qp_type qp_type) case IB_QPT_UC: size += sizeof(struct mlx5_wqe_ctrl_seg) + - sizeof(struct mlx5_wqe_raddr_seg); + sizeof(struct mlx5_wqe_raddr_seg) + + sizeof(struct mlx5_wqe_umr_ctrl_seg) + + sizeof(struct mlx5_mkey_seg); break; case IB_QPT_UD: @@ -428,11 +430,17 @@ static int alloc_uuar(struct mlx5_uuar_info *uuari, break; case MLX5_IB_LATENCY_CLASS_MEDIUM: - uuarn = alloc_med_class_uuar(uuari); + if (uuari->ver < 2) + uuarn = -ENOMEM; + else + uuarn = alloc_med_class_uuar(uuari); break; case MLX5_IB_LATENCY_CLASS_HIGH: - uuarn = alloc_high_class_uuar(uuari); + if (uuari->ver < 2) + uuarn = -ENOMEM; + else + uuarn = alloc_high_class_uuar(uuari); break; case MLX5_IB_LATENCY_CLASS_FAST_PATH: @@ -657,8 +665,8 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, int err; uuari = &dev->mdev.priv.uuari; - if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) - qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; + if (init_attr->create_flags) + return -EINVAL; if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) lc = MLX5_IB_LATENCY_CLASS_FAST_PATH; diff --git a/drivers/infiniband/hw/mlx5/user.h b/drivers/infiniband/hw/mlx5/user.h index 32a2a5dfc523..0f4f8e42a17f 100644 --- a/drivers/infiniband/hw/mlx5/user.h +++ b/drivers/infiniband/hw/mlx5/user.h @@ -62,6 +62,13 @@ struct mlx5_ib_alloc_ucontext_req { __u32 num_low_latency_uuars; }; +struct mlx5_ib_alloc_ucontext_req_v2 { + __u32 total_num_uuars; + __u32 num_low_latency_uuars; + __u32 flags; + __u32 reserved; +}; + struct mlx5_ib_alloc_ucontext_resp { __u32 qp_tab_size; __u32 bf_reg_size; diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index 429141078eec..353c7b05a90a 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -675,8 +675,11 @@ static int nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) INIT_DELAYED_WORK(&nesdev->work, nes_recheck_link_status); /* Initialize network devices */ - if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL) + netdev = nes_netdev_init(nesdev, mmio_regs); + if (netdev == NULL) { + ret = -ENOMEM; goto bail7; + } /* Register network device */ ret = register_netdev(netdev); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 2ca86ca818bd..1a8a945efa60 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -127,7 +127,7 @@ static int ocrdma_addr_event(unsigned long event, struct net_device *netdev, is_vlan = netdev->priv_flags & IFF_802_1Q_VLAN; if (is_vlan) - netdev = vlan_dev_real_dev(netdev); + netdev = rdma_vlan_dev_real_dev(netdev); rcu_read_lock(); list_for_each_entry_rcu(dev, &ocrdma_dev_list, entry) { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index aa92f40c9d50..e0cc201be41a 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -176,7 +176,7 @@ int ocrdma_query_port(struct ib_device *ibdev, props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_REINIT_SUP | - IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP; + IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP | IB_PORT_IP_BASED_GIDS; props->gid_tbl_len = OCRDMA_MAX_SGID; props->pkey_tbl_len = 1; props->bad_pkey_cntr = 0; @@ -1416,7 +1416,7 @@ int ocrdma_query_qp(struct ib_qp *ibqp, OCRDMA_QP_PARAMS_HOP_LMT_MASK) >> OCRDMA_QP_PARAMS_HOP_LMT_SHIFT; qp_attr->ah_attr.grh.traffic_class = (params.tclass_sq_psn & - OCRDMA_QP_PARAMS_SQ_PSN_MASK) >> + OCRDMA_QP_PARAMS_TCLASS_MASK) >> OCRDMA_QP_PARAMS_TCLASS_SHIFT; qp_attr->ah_attr.ah_flags = IB_AH_GRH; diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 5bfc02f450e6..d1bd21319d7d 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -2395,6 +2395,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd) qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a); qib_write_kreg(dd, kr_scratch, 0ULL); + /* ensure previous Tx parameters are not still forced */ + qib_write_kreg_port(ppd, krp_tx_deemph_override, + SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + reset_tx_deemphasis_override)); + if (qib_compat_ddr_negotiate) { ppd->cpspec->ibdeltainprog = 1; ppd->cpspec->ibsymsnap = read_7322_creg32_port(ppd, diff --git a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c index 7ecc6061f1f4..f8dfd76be89f 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c @@ -629,6 +629,7 @@ static int qp_grp_id_from_flow(struct usnic_ib_qp_grp_flow *qp_flow, { enum usnic_transport_type trans_type = qp_flow->trans_type; int err; + uint16_t port_num = 0; switch (trans_type) { case USNIC_TRANSPORT_ROCE_CUSTOM: @@ -637,9 +638,15 @@ static int qp_grp_id_from_flow(struct usnic_ib_qp_grp_flow *qp_flow, case USNIC_TRANSPORT_IPV4_UDP: err = usnic_transport_sock_get_addr(qp_flow->udp.sock, NULL, NULL, - (uint16_t *) id); + &port_num); if (err) return err; + /* + * Copy port_num to stack first and then to *id, + * so that the short to int cast works for little + * and big endian systems. + */ + *id = port_num; break; default: usnic_err("Unsupported transport %u\n", trans_type); diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 538822684d5b..334f34b1cd46 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -610,11 +610,12 @@ void iser_snd_completion(struct iser_tx_desc *tx_desc, ib_dma_unmap_single(device->ib_device, tx_desc->dma_addr, ISER_HEADERS_LEN, DMA_TO_DEVICE); kmem_cache_free(ig.desc_cache, tx_desc); + tx_desc = NULL; } atomic_dec(&ib_conn->post_send_buf_count); - if (tx_desc->type == ISCSI_TX_CONTROL) { + if (tx_desc && tx_desc->type == ISCSI_TX_CONTROL) { /* this arithmetic is legal by libiscsi dd_data allocation */ task = (void *) ((long)(void *)tx_desc - sizeof(struct iscsi_task)); diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index afe95674008b..ca37edef2791 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -652,9 +652,13 @@ static int iser_disconnected_handler(struct rdma_cm_id *cma_id) /* getting here when the state is UP means that the conn is being * * terminated asynchronously from the iSCSI layer's perspective. */ if (iser_conn_state_comp_exch(ib_conn, ISER_CONN_UP, - ISER_CONN_TERMINATING)) - iscsi_conn_failure(ib_conn->iser_conn->iscsi_conn, - ISCSI_ERR_CONN_FAILED); + ISER_CONN_TERMINATING)){ + if (ib_conn->iser_conn) + iscsi_conn_failure(ib_conn->iser_conn->iscsi_conn, + ISCSI_ERR_CONN_FAILED); + else + iser_err("iscsi_iser connection isn't bound\n"); + } /* Complete the termination process if no posts are pending */ if (ib_conn->post_recv_buf_count == 0 && diff --git a/drivers/isdn/hisax/q931.c b/drivers/isdn/hisax/q931.c index af1b020a81f1..b420f8bd862e 100644 --- a/drivers/isdn/hisax/q931.c +++ b/drivers/isdn/hisax/q931.c @@ -810,7 +810,7 @@ prfeatureind(char *dest, u_char *p) dp += sprintf(dp, " octet 3 "); dp += prbits(dp, *p, 8, 8); *dp++ = '\n'; - if (!(*p++ & 80)) { + if (!(*p++ & 0x80)) { dp += sprintf(dp, " octet 4 "); dp += prbits(dp, *p++, 8, 8); *dp++ = '\n'; diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 0c707e4f4eaf..a4c7306ff43d 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -210,7 +210,9 @@ BITMASK(GC_MARK, struct bucket, gc_mark, 0, 2); #define GC_MARK_RECLAIMABLE 0 #define GC_MARK_DIRTY 1 #define GC_MARK_METADATA 2 -BITMASK(GC_SECTORS_USED, struct bucket, gc_mark, 2, 13); +#define GC_SECTORS_USED_SIZE 13 +#define MAX_GC_SECTORS_USED (~(~0ULL << GC_SECTORS_USED_SIZE)) +BITMASK(GC_SECTORS_USED, struct bucket, gc_mark, 2, GC_SECTORS_USED_SIZE); BITMASK(GC_MOVE, struct bucket, gc_mark, 15, 1); #include "journal.h" diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 4f6b5940e609..3f74b4b0747b 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -23,7 +23,7 @@ void bch_dump_bset(struct btree_keys *b, struct bset *i, unsigned set) for (k = i->start; k < bset_bkey_last(i); k = next) { next = bkey_next(k); - printk(KERN_ERR "block %u key %zi/%u: ", set, + printk(KERN_ERR "block %u key %li/%u: ", set, (uint64_t *) k - i->d, i->keys); if (b->ops->key_dump) @@ -1185,9 +1185,12 @@ static void __btree_sort(struct btree_keys *b, struct btree_iter *iter, struct bset *out = (void *) __get_free_pages(__GFP_NOWARN|GFP_NOIO, order); if (!out) { + struct page *outp; + BUG_ON(order > state->page_order); - out = page_address(mempool_alloc(state->pool, GFP_NOIO)); + outp = mempool_alloc(state->pool, GFP_NOIO); + out = page_address(outp); used_mempool = true; order = state->page_order; } diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 98cc0a810a36..5f9c2a665ca5 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -1167,7 +1167,7 @@ uint8_t __bch_btree_mark_key(struct cache_set *c, int level, struct bkey *k) /* guard against overflow */ SET_GC_SECTORS_USED(g, min_t(unsigned, GC_SECTORS_USED(g) + KEY_SIZE(k), - (1 << 14) - 1)); + MAX_GC_SECTORS_USED)); BUG_ON(!GC_SECTORS_USED(g)); } @@ -1805,7 +1805,7 @@ static bool btree_insert_key(struct btree *b, struct bkey *k, static size_t insert_u64s_remaining(struct btree *b) { - ssize_t ret = bch_btree_keys_u64s_remaining(&b->keys); + long ret = bch_btree_keys_u64s_remaining(&b->keys); /* * Might land in the middle of an existing extent and have to split it diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c index c3ead586dc27..416d1a3e028e 100644 --- a/drivers/md/bcache/extents.c +++ b/drivers/md/bcache/extents.c @@ -194,7 +194,7 @@ err: mutex_unlock(&b->c->bucket_lock); bch_extent_to_text(buf, sizeof(buf), k); btree_bug(b, -"inconsistent btree pointer %s: bucket %li pin %i prio %i gen %i last_gc %i mark %llu gc_gen %i", +"inconsistent btree pointer %s: bucket %zi pin %i prio %i gen %i last_gc %i mark %llu gc_gen %i", buf, PTR_BUCKET_NR(b->c, k, i), atomic_read(&g->pin), g->prio, g->gen, g->last_gc, GC_MARK(g), g->gc_gen); return true; diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 72cd213f213f..5d5d031cf381 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -353,14 +353,14 @@ static void bch_data_insert_start(struct closure *cl) struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); struct bio *bio = op->bio, *n; - if (op->bypass) - return bch_data_invalidate(cl); - if (atomic_sub_return(bio_sectors(bio), &op->c->sectors_to_gc) < 0) { set_gc_sectors(op->c); wake_up_gc(op->c); } + if (op->bypass) + return bch_data_invalidate(cl); + /* * Journal writes are marked REQ_FLUSH; if the original write was a * flush, it'll wait on the journal write. diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index c6ab69333a6d..d8458d477a12 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -416,7 +416,7 @@ static int btree_bset_stats(struct btree_op *b_op, struct btree *b) return MAP_CONTINUE; } -int bch_bset_print_stats(struct cache_set *c, char *buf) +static int bch_bset_print_stats(struct cache_set *c, char *buf) { struct bset_stats_op op; int ret; diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index a60c188c2bd9..04bd3b6de401 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -754,19 +754,19 @@ static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg) { int ret; - mutex_lock(&i2o_cfg_mutex); switch (cmd) { case I2OGETIOPS: ret = i2o_cfg_ioctl(file, cmd, arg); break; case I2OPASSTHRU32: + mutex_lock(&i2o_cfg_mutex); ret = i2o_cfg_passthru32(file, cmd, arg); + mutex_unlock(&i2o_cfg_mutex); break; default: ret = -ENOIOCTLCMD; break; } - mutex_unlock(&i2o_cfg_mutex); return ret; } diff --git a/drivers/misc/sgi-gru/grukdump.c b/drivers/misc/sgi-gru/grukdump.c index 9b2062d17327..2bef3f76032a 100644 --- a/drivers/misc/sgi-gru/grukdump.c +++ b/drivers/misc/sgi-gru/grukdump.c @@ -139,8 +139,11 @@ static int gru_dump_context(struct gru_state *gru, int ctxnum, ubuf += sizeof(hdr); ubufcch = ubuf; - if (gru_user_copy_handle(&ubuf, cch)) - goto fail; + if (gru_user_copy_handle(&ubuf, cch)) { + if (cch_locked) + unlock_cch_handle(cch); + return -EFAULT; + } if (cch_locked) ubufcch->delresp = 0; bytes = sizeof(hdr) + GRU_CACHE_LINE_BYTES; @@ -179,10 +182,6 @@ static int gru_dump_context(struct gru_state *gru, int ctxnum, ret = -EFAULT; return ret ? ret : bytes; - -fail: - unlock_cch_handle(cch); - return -EFAULT; } int gru_dump_chiplet_request(unsigned long arg) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 4c08018d7333..71ba18efa15b 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1270,9 +1270,13 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) if (slave_ops->ndo_set_mac_address == NULL) { if (!bond_has_slaves(bond)) { - pr_warning("%s: Warning: The first slave device specified does not support setting the MAC address. Setting fail_over_mac to active.", - bond_dev->name); - bond->params.fail_over_mac = BOND_FOM_ACTIVE; + pr_warn("%s: Warning: The first slave device specified does not support setting the MAC address.\n", + bond_dev->name); + if (bond->params.mode == BOND_MODE_ACTIVEBACKUP) { + bond->params.fail_over_mac = BOND_FOM_ACTIVE; + pr_warn("%s: Setting fail_over_mac to active for active-backup mode.\n", + bond_dev->name); + } } else if (bond->params.fail_over_mac != BOND_FOM_ACTIVE) { pr_err("%s: Error: The slave device specified does not support setting the MAC address, but fail_over_mac is not set to active.\n", bond_dev->name); @@ -1315,7 +1319,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) */ memcpy(new_slave->perm_hwaddr, slave_dev->dev_addr, ETH_ALEN); - if (!bond->params.fail_over_mac) { + if (!bond->params.fail_over_mac || + bond->params.mode != BOND_MODE_ACTIVEBACKUP) { /* * Set slave to master's mac address. The application already * set the master's mac address to that of the first slave @@ -1505,7 +1510,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) slave_dev->npinfo = bond->dev->npinfo; if (slave_dev->npinfo) { if (slave_enable_netpoll(new_slave)) { - read_unlock(&bond->lock); pr_info("Error, %s: master_dev is using netpoll, " "but new slave device does not support netpoll.\n", bond_dev->name); @@ -1579,7 +1583,8 @@ err_close: dev_close(slave_dev); err_restore_mac: - if (!bond->params.fail_over_mac) { + if (!bond->params.fail_over_mac || + bond->params.mode != BOND_MODE_ACTIVEBACKUP) { /* XXX TODO - fom follow mode needs to change master's * MAC if this slave's MAC is in use by the bond, or at * least print a warning. @@ -1672,7 +1677,8 @@ static int __bond_release_one(struct net_device *bond_dev, bond->current_arp_slave = NULL; - if (!all && !bond->params.fail_over_mac) { + if (!all && (!bond->params.fail_over_mac || + bond->params.mode != BOND_MODE_ACTIVEBACKUP)) { if (ether_addr_equal_64bits(bond_dev->dev_addr, slave->perm_hwaddr) && bond_has_slaves(bond)) pr_warn("%s: Warning: the permanent HWaddr of %s - %pM - is still in use by %s. Set the HWaddr of %s to a different address to avoid conflicts.\n", @@ -1769,7 +1775,8 @@ static int __bond_release_one(struct net_device *bond_dev, /* close slave before restoring its mac address */ dev_close(slave_dev); - if (bond->params.fail_over_mac != BOND_FOM_ACTIVE) { + if (bond->params.fail_over_mac != BOND_FOM_ACTIVE || + bond->params.mode != BOND_MODE_ACTIVEBACKUP) { /* restore original ("permanent") mac address */ memcpy(addr.sa_data, slave->perm_hwaddr, ETH_ALEN); addr.sa_family = slave_dev->type; @@ -3431,7 +3438,8 @@ static int bond_set_mac_address(struct net_device *bond_dev, void *addr) /* If fail_over_mac is enabled, do nothing and return success. * Returning an error causes ifenslave to fail. */ - if (bond->params.fail_over_mac) + if (bond->params.fail_over_mac && + bond->params.mode == BOND_MODE_ACTIVEBACKUP) return 0; if (!is_valid_ether_addr(sa->sa_data)) diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index d447b881bbde..9e7d95dae2c7 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -104,7 +104,7 @@ config CAN_JANZ_ICAN3 config CAN_FLEXCAN tristate "Support for Freescale FLEXCAN based chips" - depends on (ARM && CPU_LITTLE_ENDIAN) || PPC + depends on ARM || PPC ---help--- Say Y here if you want to support for Freescale FlexCAN. diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 13a909822e25..fc59bc6f040b 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -323,19 +323,10 @@ void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, } if (!priv->echo_skb[idx]) { - struct sock *srcsk = skb->sk; - if (atomic_read(&skb->users) != 1) { - struct sk_buff *old_skb = skb; - - skb = skb_clone(old_skb, GFP_ATOMIC); - kfree_skb(old_skb); - if (!skb) - return; - } else - skb_orphan(skb); - - skb->sk = srcsk; + skb = can_create_echo_skb(skb); + if (!skb) + return; /* make settings for echo to reduce code in irq context */ skb->protocol = htons(ETH_P_CAN); diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index aaed97bee471..320bef2dba42 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -235,9 +235,12 @@ static const struct can_bittiming_const flexcan_bittiming_const = { }; /* - * Abstract off the read/write for arm versus ppc. + * Abstract off the read/write for arm versus ppc. This + * assumes that PPC uses big-endian registers and everything + * else uses little-endian registers, independent of CPU + * endianess. */ -#if defined(__BIG_ENDIAN) +#if defined(CONFIG_PPC) static inline u32 flexcan_read(void __iomem *addr) { return in_be32(addr); diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c index e24e6690d672..71594e5676fd 100644 --- a/drivers/net/can/janz-ican3.c +++ b/drivers/net/can/janz-ican3.c @@ -18,6 +18,7 @@ #include <linux/netdevice.h> #include <linux/can.h> #include <linux/can/dev.h> +#include <linux/can/skb.h> #include <linux/can/error.h> #include <linux/mfd/janz.h> @@ -1133,20 +1134,9 @@ static void ican3_handle_message(struct ican3_dev *mod, struct ican3_msg *msg) */ static void ican3_put_echo_skb(struct ican3_dev *mod, struct sk_buff *skb) { - struct sock *srcsk = skb->sk; - - if (atomic_read(&skb->users) != 1) { - struct sk_buff *old_skb = skb; - - skb = skb_clone(old_skb, GFP_ATOMIC); - kfree_skb(old_skb); - if (!skb) - return; - } else { - skb_orphan(skb); - } - - skb->sk = srcsk; + skb = can_create_echo_skb(skb); + if (!skb) + return; /* save this skb for tx interrupt echo handling */ skb_queue_tail(&mod->echoq, skb); @@ -1322,7 +1312,7 @@ static int ican3_napi(struct napi_struct *napi, int budget) /* process all communication messages */ while (true) { - struct ican3_msg msg; + struct ican3_msg uninitialized_var(msg); ret = ican3_recv_msg(mod, &msg); if (ret) break; diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c index 0a2a5ee79a17..4e94057ef5cf 100644 --- a/drivers/net/can/vcan.c +++ b/drivers/net/can/vcan.c @@ -46,6 +46,7 @@ #include <linux/if_ether.h> #include <linux/can.h> #include <linux/can/dev.h> +#include <linux/can/skb.h> #include <linux/slab.h> #include <net/rtnetlink.h> @@ -109,25 +110,23 @@ static netdev_tx_t vcan_tx(struct sk_buff *skb, struct net_device *dev) stats->rx_packets++; stats->rx_bytes += cfd->len; } - kfree_skb(skb); + consume_skb(skb); return NETDEV_TX_OK; } /* perform standard echo handling for CAN network interfaces */ if (loop) { - struct sock *srcsk = skb->sk; - skb = skb_share_check(skb, GFP_ATOMIC); + skb = can_create_echo_skb(skb); if (!skb) return NETDEV_TX_OK; /* receive with packet counting */ - skb->sk = srcsk; vcan_rx(skb, dev); } else { /* no looped packets => no counting */ - kfree_skb(skb); + consume_skb(skb); } return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 0f4241c6e97e..238ccea965c8 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -3294,7 +3294,6 @@ static int __init vortex_init(void) static void __exit vortex_eisa_cleanup(void) { - struct vortex_private *vp; void __iomem *ioaddr; #ifdef CONFIG_EISA @@ -3303,7 +3302,6 @@ static void __exit vortex_eisa_cleanup(void) #endif if (compaq_net_device) { - vp = netdev_priv(compaq_net_device); ioaddr = ioport_map(compaq_net_device->base_addr, VORTEX_TOTAL_SIZE); diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 0cc21437478c..511f6eecd58b 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -929,6 +929,9 @@ static int emac_resume(struct platform_device *dev) } static const struct of_device_id emac_of_match[] = { + {.compatible = "allwinner,sun4i-a10-emac",}, + + /* Deprecated */ {.compatible = "allwinner,sun4i-emac",}, {}, }; diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index e92ffd6e1c15..2e45f6ec1bf0 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -1292,6 +1292,7 @@ static int alx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) alx = netdev_priv(netdev); spin_lock_init(&alx->hw.mdio_lock); spin_lock_init(&alx->irq_lock); + spin_lock_init(&alx->stats_lock); alx->dev = netdev; alx->hw.pdev = pdev; alx->msg_enable = NETIF_MSG_LINK | NETIF_MSG_HW | NETIF_MSG_IFUP | diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 9d2dedadf2df..cda25ac45b47 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -85,7 +85,7 @@ MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax); static int disable_msi = 0; -module_param(disable_msi, int, 0); +module_param(disable_msi, int, S_IRUGO); MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); typedef enum { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 17d1689aec6b..bfc58d488bb5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -936,7 +936,7 @@ static inline int bnx2x_func_start(struct bnx2x *bp) else /* CHIP_IS_E1X */ start_params->network_cos_mode = FW_WRR; - start_params->gre_tunnel_mode = IPGRE_TUNNEL; + start_params->gre_tunnel_mode = L2GRE_TUNNEL; start_params->gre_tunnel_rss = GRE_INNER_HEADERS_RSS; return bnx2x_func_state_change(bp, &func_params); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index c9c445e7b4a5..7d4382286457 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -95,29 +95,29 @@ MODULE_FIRMWARE(FW_FILE_NAME_E1H); MODULE_FIRMWARE(FW_FILE_NAME_E2); int bnx2x_num_queues; -module_param_named(num_queues, bnx2x_num_queues, int, 0); +module_param_named(num_queues, bnx2x_num_queues, int, S_IRUGO); MODULE_PARM_DESC(num_queues, " Set number of queues (default is as a number of CPUs)"); static int disable_tpa; -module_param(disable_tpa, int, 0); +module_param(disable_tpa, int, S_IRUGO); MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature"); static int int_mode; -module_param(int_mode, int, 0); +module_param(int_mode, int, S_IRUGO); MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X " "(1 INT#x; 2 MSI)"); static int dropless_fc; -module_param(dropless_fc, int, 0); +module_param(dropless_fc, int, S_IRUGO); MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring"); static int mrrs = -1; -module_param(mrrs, int, 0); +module_param(mrrs, int, S_IRUGO); MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)"); static int debug; -module_param(debug, int, 0); +module_param(debug, int, S_IRUGO); MODULE_PARM_DESC(debug, " Default debug msglevel"); struct workqueue_struct *bnx2x_wq; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index aec5ef2ed7ce..e42f48df6e94 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1446,12 +1446,12 @@ static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf) if (vf->cfg_flags & VF_CFG_INT_SIMD) val |= IGU_VF_CONF_SINGLE_ISR_EN; val &= ~IGU_VF_CONF_PARENT_MASK; - val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */ + val |= (BP_ABS_FUNC(bp) >> 1) << IGU_VF_CONF_PARENT_SHIFT; REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); DP(BNX2X_MSG_IOV, - "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n", - vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION)); + "value in IGU_REG_VF_CONFIGURATION of vf %d after write is 0x%08x\n", + vf->abs_vfid, val); bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index e2ca03e23dc1..3167ed6593b0 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -2609,13 +2609,14 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp) tg3_writephy(tp, MII_CTRL1000, phy9_orig); - if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) { - reg32 &= ~0x3000; - tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); - } else if (!err) - err = -EBUSY; + err = tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32); + if (err) + return err; - return err; + reg32 &= ~0x3000; + tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); + + return 0; } static void tg3_carrier_off(struct tg3 *tp) @@ -14113,12 +14114,12 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu) tg3_netif_stop(tp); + tg3_set_mtu(dev, tp, new_mtu); + tg3_full_lock(tp, 1); tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); - tg3_set_mtu(dev, tp, new_mtu); - /* Reset PHY, otherwise the read DMA engine will be in a mode that * breaks all requests to 256 bytes. */ diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index 4de8cfd149cf..55e0fa03dc90 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -13,6 +13,7 @@ #include <linux/dma-mapping.h> #include <linux/etherdevice.h> +#include <linux/clk.h> #include <linux/crc32.h> #include <linux/interrupt.h> #include <linux/io.h> @@ -51,6 +52,7 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size"); #define ETH_HASH0 0x48 #define ETH_HASH1 0x4c #define ETH_TXCTRL 0x50 +#define ETH_END 0x54 /* mode register */ #define MODER_RXEN (1 << 0) /* receive enable */ @@ -179,6 +181,7 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size"); * @membase: pointer to buffer memory region * @dma_alloc: dma allocated buffer size * @io_region_size: I/O memory region size + * @num_bd: number of buffer descriptors * @num_tx: number of send buffers * @cur_tx: last send buffer written * @dty_tx: last buffer actually sent @@ -199,6 +202,7 @@ struct ethoc { int dma_alloc; resource_size_t io_region_size; + unsigned int num_bd; unsigned int num_tx; unsigned int cur_tx; unsigned int dty_tx; @@ -216,6 +220,7 @@ struct ethoc { struct phy_device *phy; struct mii_bus *mdio; + struct clk *clk; s8 phy_id; }; @@ -688,6 +693,11 @@ static int ethoc_mdio_probe(struct net_device *dev) } priv->phy = phy; + phy->advertising &= ~(ADVERTISED_1000baseT_Full | + ADVERTISED_1000baseT_Half); + phy->supported &= ~(SUPPORTED_1000baseT_Full | + SUPPORTED_1000baseT_Half); + return 0; } @@ -890,6 +900,102 @@ out: return NETDEV_TX_OK; } +static int ethoc_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ethoc *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phy; + + if (!phydev) + return -EOPNOTSUPP; + + return phy_ethtool_gset(phydev, cmd); +} + +static int ethoc_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ethoc *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phy; + + if (!phydev) + return -EOPNOTSUPP; + + return phy_ethtool_sset(phydev, cmd); +} + +static int ethoc_get_regs_len(struct net_device *netdev) +{ + return ETH_END; +} + +static void ethoc_get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *p) +{ + struct ethoc *priv = netdev_priv(dev); + u32 *regs_buff = p; + unsigned i; + + regs->version = 0; + for (i = 0; i < ETH_END / sizeof(u32); ++i) + regs_buff[i] = ethoc_read(priv, i * sizeof(u32)); +} + +static void ethoc_get_ringparam(struct net_device *dev, + struct ethtool_ringparam *ring) +{ + struct ethoc *priv = netdev_priv(dev); + + ring->rx_max_pending = priv->num_bd - 1; + ring->rx_mini_max_pending = 0; + ring->rx_jumbo_max_pending = 0; + ring->tx_max_pending = priv->num_bd - 1; + + ring->rx_pending = priv->num_rx; + ring->rx_mini_pending = 0; + ring->rx_jumbo_pending = 0; + ring->tx_pending = priv->num_tx; +} + +static int ethoc_set_ringparam(struct net_device *dev, + struct ethtool_ringparam *ring) +{ + struct ethoc *priv = netdev_priv(dev); + + if (ring->tx_pending < 1 || ring->rx_pending < 1 || + ring->tx_pending + ring->rx_pending > priv->num_bd) + return -EINVAL; + if (ring->rx_mini_pending || ring->rx_jumbo_pending) + return -EINVAL; + + if (netif_running(dev)) { + netif_tx_disable(dev); + ethoc_disable_rx_and_tx(priv); + ethoc_disable_irq(priv, INT_MASK_TX | INT_MASK_RX); + synchronize_irq(dev->irq); + } + + priv->num_tx = rounddown_pow_of_two(ring->tx_pending); + priv->num_rx = ring->rx_pending; + ethoc_init_ring(priv, dev->mem_start); + + if (netif_running(dev)) { + ethoc_enable_irq(priv, INT_MASK_TX | INT_MASK_RX); + ethoc_enable_rx_and_tx(priv); + netif_wake_queue(dev); + } + return 0; +} + +const struct ethtool_ops ethoc_ethtool_ops = { + .get_settings = ethoc_get_settings, + .set_settings = ethoc_set_settings, + .get_regs_len = ethoc_get_regs_len, + .get_regs = ethoc_get_regs, + .get_link = ethtool_op_get_link, + .get_ringparam = ethoc_get_ringparam, + .set_ringparam = ethoc_set_ringparam, + .get_ts_info = ethtool_op_get_ts_info, +}; + static const struct net_device_ops ethoc_netdev_ops = { .ndo_open = ethoc_open, .ndo_stop = ethoc_stop, @@ -917,6 +1023,8 @@ static int ethoc_probe(struct platform_device *pdev) int num_bd; int ret = 0; bool random_mac = false; + struct ethoc_platform_data *pdata = dev_get_platdata(&pdev->dev); + u32 eth_clkfreq = pdata ? pdata->eth_clkfreq : 0; /* allocate networking device */ netdev = alloc_etherdev(sizeof(struct ethoc)); @@ -1016,6 +1124,7 @@ static int ethoc_probe(struct platform_device *pdev) ret = -ENODEV; goto error; } + priv->num_bd = num_bd; /* num_tx must be a power of two */ priv->num_tx = rounddown_pow_of_two(num_bd >> 1); priv->num_rx = num_bd - priv->num_tx; @@ -1030,8 +1139,7 @@ static int ethoc_probe(struct platform_device *pdev) } /* Allow the platform setup code to pass in a MAC address. */ - if (dev_get_platdata(&pdev->dev)) { - struct ethoc_platform_data *pdata = dev_get_platdata(&pdev->dev); + if (pdata) { memcpy(netdev->dev_addr, pdata->hwaddr, IFHWADDRLEN); priv->phy_id = pdata->phy_id; } else { @@ -1069,6 +1177,27 @@ static int ethoc_probe(struct platform_device *pdev) if (random_mac) netdev->addr_assign_type = NET_ADDR_RANDOM; + /* Allow the platform setup code to adjust MII management bus clock. */ + if (!eth_clkfreq) { + struct clk *clk = devm_clk_get(&pdev->dev, NULL); + + if (!IS_ERR(clk)) { + priv->clk = clk; + clk_prepare_enable(clk); + eth_clkfreq = clk_get_rate(clk); + } + } + if (eth_clkfreq) { + u32 clkdiv = MIIMODER_CLKDIV(eth_clkfreq / 2500000 + 1); + + if (!clkdiv) + clkdiv = 2; + dev_dbg(&pdev->dev, "setting MII clkdiv to %u\n", clkdiv); + ethoc_write(priv, MIIMODER, + (ethoc_read(priv, MIIMODER) & MIIMODER_NOPRE) | + clkdiv); + } + /* register MII bus */ priv->mdio = mdiobus_alloc(); if (!priv->mdio) { @@ -1111,6 +1240,7 @@ static int ethoc_probe(struct platform_device *pdev) netdev->netdev_ops = ðoc_netdev_ops; netdev->watchdog_timeo = ETHOC_TIMEOUT; netdev->features |= 0; + netdev->ethtool_ops = ðoc_ethtool_ops; /* setup NAPI */ netif_napi_add(netdev, &priv->napi, ethoc_poll, 64); @@ -1133,6 +1263,8 @@ free_mdio: kfree(priv->mdio->irq); mdiobus_free(priv->mdio); free: + if (priv->clk) + clk_disable_unprepare(priv->clk); free_netdev(netdev); out: return ret; @@ -1157,6 +1289,8 @@ static int ethoc_remove(struct platform_device *pdev) kfree(priv->mdio->irq); mdiobus_free(priv->mdio); } + if (priv->clk) + clk_disable_unprepare(priv->clk); unregister_netdev(netdev); free_netdev(netdev); } diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index cbaba4442d4b..bf7a01ef9a57 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -3034,7 +3034,7 @@ static void __e100_shutdown(struct pci_dev *pdev, bool *enable_wake) *enable_wake = false; } - pci_disable_device(pdev); + pci_clear_master(pdev); } static int __e100_power_off(struct pci_dev *pdev, bool wake) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index 157fe8df2c3e..8ff57e8e3e91 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -4,5 +4,5 @@ config MLX5_CORE tristate - depends on PCI && X86 + depends on PCI default n diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 1ded50ca1600..e46e8698e630 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -726,9 +726,6 @@ static int vxge_learn_mac(struct vxgedev *vdev, u8 *mac_header) int vpath_idx = 0; enum vxge_hw_status status = VXGE_HW_OK; struct vxge_vpath *vpath = NULL; - struct __vxge_hw_device *hldev; - - hldev = pci_get_drvdata(vdev->pdev); mac_address = (u8 *)&mac_addr; memcpy(mac_address, mac_header, ETH_ALEN); @@ -2443,9 +2440,6 @@ static void vxge_rem_msix_isr(struct vxgedev *vdev) static void vxge_rem_isr(struct vxgedev *vdev) { - struct __vxge_hw_device *hldev; - hldev = pci_get_drvdata(vdev->pdev); - #ifdef CONFIG_PCI_MSI if (vdev->config.intr_type == MSI_X) { vxge_rem_msix_isr(vdev); diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index c49d1fb16965..75d11fa4eb0a 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -429,7 +429,9 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb) } /* Transfer ownership of the skb to the final buffer */ +#ifdef EFX_USE_PIO finish_packet: +#endif buffer->skb = skb; buffer->flags = EFX_TX_BUF_SKB | dma_flags; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index bde63e3af96f..1d860ce914ed 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1878,8 +1878,18 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); phyid = be32_to_cpup(parp+1); mdio = of_find_device_by_node(mdio_node); - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, mdio->name, phyid); + + if (strncmp(mdio->name, "gpio", 4) == 0) { + /* GPIO bitbang MDIO driver attached */ + struct mii_bus *bus = dev_get_drvdata(&mdio->dev); + + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, bus->id, phyid); + } else { + /* davinci MDIO driver attached */ + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, mdio->name, phyid); + } mac_addr = of_get_mac_address(slave_node); if (mac_addr) diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig index 2dc82f1d2e70..3da44d5d9149 100644 --- a/drivers/net/irda/Kconfig +++ b/drivers/net/irda/Kconfig @@ -210,13 +210,6 @@ config KINGSUN_DONGLE To compile it as a module, choose M here: the module will be called kingsun-sir. -config EP7211_DONGLE - tristate "Cirrus Logic clps711x I/R support" - depends on IRTTY_SIR && ARCH_CLPS711X && IRDA - help - Say Y here if you want to build support for the Cirrus logic - EP7211 chipset's infrared module. - config KSDAZZLE_DONGLE tristate "KingSun Dazzle IrDA-USB dongle" depends on IRDA && USB diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile index dfc64537f62f..be8ab5b9a4a2 100644 --- a/drivers/net/irda/Makefile +++ b/drivers/net/irda/Makefile @@ -35,7 +35,6 @@ obj-$(CONFIG_MCP2120_DONGLE) += mcp2120-sir.o obj-$(CONFIG_ACT200L_DONGLE) += act200l-sir.o obj-$(CONFIG_MA600_DONGLE) += ma600-sir.o obj-$(CONFIG_TOIM3232_DONGLE) += toim3232-sir.o -obj-$(CONFIG_EP7211_DONGLE) += ep7211-sir.o obj-$(CONFIG_KINGSUN_DONGLE) += kingsun-sir.o obj-$(CONFIG_KSDAZZLE_DONGLE) += ksdazzle-sir.o obj-$(CONFIG_KS959_DONGLE) += ks959-sir.o diff --git a/drivers/net/irda/ep7211-sir.c b/drivers/net/irda/ep7211-sir.c deleted file mode 100644 index 5fe1f4dd3369..000000000000 --- a/drivers/net/irda/ep7211-sir.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * IR port driver for the Cirrus Logic CLPS711X processors - * - * Copyright 2001, Blue Mug Inc. All rights reserved. - * Copyright 2007, Samuel Ortiz <samuel@sortiz.org> - */ - -#include <linux/module.h> -#include <linux/platform_device.h> - -#include <mach/hardware.h> - -#include "sir-dev.h" - -static int clps711x_dongle_open(struct sir_dev *dev) -{ - unsigned int syscon; - - /* Turn on the SIR encoder. */ - syscon = clps_readl(SYSCON1); - syscon |= SYSCON1_SIREN; - clps_writel(syscon, SYSCON1); - - return 0; -} - -static int clps711x_dongle_close(struct sir_dev *dev) -{ - unsigned int syscon; - - /* Turn off the SIR encoder. */ - syscon = clps_readl(SYSCON1); - syscon &= ~SYSCON1_SIREN; - clps_writel(syscon, SYSCON1); - - return 0; -} - -static struct dongle_driver clps711x_dongle = { - .owner = THIS_MODULE, - .driver_name = "EP7211 IR driver", - .type = IRDA_EP7211_DONGLE, - .open = clps711x_dongle_open, - .close = clps711x_dongle_close, -}; - -static int clps711x_sir_probe(struct platform_device *pdev) -{ - return irda_register_dongle(&clps711x_dongle); -} - -static int clps711x_sir_remove(struct platform_device *pdev) -{ - return irda_unregister_dongle(&clps711x_dongle); -} - -static struct platform_driver clps711x_sir_driver = { - .driver = { - .name = "sir-clps711x", - .owner = THIS_MODULE, - }, - .probe = clps711x_sir_probe, - .remove = clps711x_sir_remove, -}; -module_platform_driver(clps711x_sir_driver); - -MODULE_AUTHOR("Samuel Ortiz <samuel@sortiz.org>"); -MODULE_DESCRIPTION("EP7211 IR dongle driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("irda-dongle-13"); /* IRDA_EP7211_DONGLE */ diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 547725fa8671..9414fa272160 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -437,7 +437,10 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp, if (on) { gpio_num = gpio_tab[EXTTS0_GPIO + index]; evnt |= (gpio_num & EVNT_GPIO_MASK) << EVNT_GPIO_SHIFT; - evnt |= EVNT_RISE; + if (rq->extts.flags & PTP_FALLING_EDGE) + evnt |= EVNT_FALL; + else + evnt |= EVNT_RISE; } ext_write(0, phydev, PAGE5, PTP_EVNT, evnt); return 0; @@ -1058,6 +1061,13 @@ static void dp83640_remove(struct phy_device *phydev) kfree(dp83640); } +static int dp83640_config_init(struct phy_device *phydev) +{ + enable_status_frames(phydev, true); + ext_write(0, phydev, PAGE4, PTP_CTL, PTP_ENABLE); + return 0; +} + static int dp83640_ack_interrupt(struct phy_device *phydev) { int err = phy_read(phydev, MII_DP83640_MISR); @@ -1195,11 +1205,6 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) mutex_lock(&dp83640->clock->extreg_lock); - if (dp83640->hwts_tx_en || dp83640->hwts_rx_en) { - enable_status_frames(phydev, true); - ext_write(0, phydev, PAGE4, PTP_CTL, PTP_ENABLE); - } - ext_write(0, phydev, PAGE5, PTP_TXCFG0, txcfg0); ext_write(0, phydev, PAGE5, PTP_RXCFG0, rxcfg0); @@ -1281,6 +1286,7 @@ static void dp83640_txtstamp(struct phy_device *phydev, } /* fall through */ case HWTSTAMP_TX_ON: + skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; skb_queue_tail(&dp83640->tx_queue, skb); schedule_work(&dp83640->ts_work); break; @@ -1330,6 +1336,7 @@ static struct phy_driver dp83640_driver = { .flags = PHY_HAS_INTERRUPT, .probe = dp83640_probe, .remove = dp83640_remove, + .config_init = dp83640_config_init, .config_aneg = genphy_config_aneg, .read_status = genphy_read_status, .ack_interrupt = dp83640_ack_interrupt, diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c index bb88bc7d81fb..9367acc84fbb 100644 --- a/drivers/net/phy/mdio-sun4i.c +++ b/drivers/net/phy/mdio-sun4i.c @@ -170,6 +170,9 @@ static int sun4i_mdio_remove(struct platform_device *pdev) } static const struct of_device_id sun4i_mdio_dt_ids[] = { + { .compatible = "allwinner,sun4i-a10-mdio" }, + + /* Deprecated */ { .compatible = "allwinner,sun4i-mdio" }, { } }; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 4b03e63639b7..82514e72b3d8 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -719,7 +719,7 @@ int phy_resume(struct phy_device *phydev) static int genphy_config_advert(struct phy_device *phydev) { u32 advertise; - int oldadv, adv; + int oldadv, adv, bmsr; int err, changed = 0; /* Only allow advertising what this PHY supports */ @@ -744,26 +744,36 @@ static int genphy_config_advert(struct phy_device *phydev) changed = 1; } + bmsr = phy_read(phydev, MII_BMSR); + if (bmsr < 0) + return bmsr; + + /* Per 802.3-2008, Section 22.2.4.2.16 Extended status all + * 1000Mbits/sec capable PHYs shall have the BMSR_ESTATEN bit set to a + * logical 1. + */ + if (!(bmsr & BMSR_ESTATEN)) + return changed; + /* Configure gigabit if it's supported */ + adv = phy_read(phydev, MII_CTRL1000); + if (adv < 0) + return adv; + + oldadv = adv; + adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); + if (phydev->supported & (SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full)) { - adv = phy_read(phydev, MII_CTRL1000); - if (adv < 0) - return adv; - - oldadv = adv; - adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); adv |= ethtool_adv_to_mii_ctrl1000_t(advertise); - - if (adv != oldadv) { - err = phy_write(phydev, MII_CTRL1000, adv); - - if (err < 0) - return err; + if (adv != oldadv) changed = 1; - } } + err = phy_write(phydev, MII_CTRL1000, adv); + if (err < 0) + return err; + return changed; } diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 6b638a066c1d..409499fdb157 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -292,6 +292,22 @@ config USB_NET_SR9700 This option adds support for CoreChip-sz SR9700 based USB 1.1 10/100 Ethernet adapters. +config USB_NET_SR9800 + tristate "CoreChip-sz SR9800 based USB 2.0 10/100 ethernet devices" + depends on USB_USBNET + select CRC32 + default y + ---help--- + Say Y if you want to use one of the following 100Mbps USB Ethernet + device based on the CoreChip-sz SR9800 chip. + + This driver makes the adapter appear as a normal Ethernet interface, + typically on eth0, if it is the only ethernet device, or perhaps on + eth1, if you have a PCI or ISA ethernet card installed. + + To compile this driver as a module, choose M here: the + module will be called sr9800. + config USB_NET_SMSC75XX tristate "SMSC LAN75XX based USB 2.0 gigabit ethernet devices" depends on USB_USBNET diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index b17b5e88bbaf..433f0a00c683 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o r815x.o obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o obj-$(CONFIG_USB_NET_DM9601) += dm9601.o obj-$(CONFIG_USB_NET_SR9700) += sr9700.o +obj-$(CONFIG_USB_NET_SR9800) += sr9800.o obj-$(CONFIG_USB_NET_SMSC75XX) += smsc75xx.o obj-$(CONFIG_USB_NET_SMSC95XX) += smsc95xx.o obj-$(CONFIG_USB_NET_GL620A) += gl620a.o diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 1a482344b3f5..660bd5ea9fc0 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -1201,16 +1201,18 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) struct hso_serial *serial = urb->context; int status = urb->status; + D4("\n--- Got serial_read_bulk callback %02x ---", status); + /* sanity check */ if (!serial) { D1("serial == NULL"); return; - } else if (status) { + } + if (status) { handle_usb_error(status, __func__, serial->parent); return; } - D4("\n--- Got serial_read_bulk callback %02x ---", status); D1("Actual length = %d\n", urb->actual_length); DUMP1(urb->transfer_buffer, urb->actual_length); @@ -1218,25 +1220,13 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) if (serial->port.count == 0) return; - if (status == 0) { - if (serial->parent->port_spec & HSO_INFO_CRC_BUG) - fix_crc_bug(urb, serial->in_endp->wMaxPacketSize); - /* Valid data, handle RX data */ - spin_lock(&serial->serial_lock); - serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 1; - put_rxbuf_data_and_resubmit_bulk_urb(serial); - spin_unlock(&serial->serial_lock); - } else if (status == -ENOENT || status == -ECONNRESET) { - /* Unlinked - check for throttled port. */ - D2("Port %d, successfully unlinked urb", serial->minor); - spin_lock(&serial->serial_lock); - serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; - hso_resubmit_rx_bulk_urb(serial, urb); - spin_unlock(&serial->serial_lock); - } else { - D2("Port %d, status = %d for read urb", serial->minor, status); - return; - } + if (serial->parent->port_spec & HSO_INFO_CRC_BUG) + fix_crc_bug(urb, serial->in_endp->wMaxPacketSize); + /* Valid data, handle RX data */ + spin_lock(&serial->serial_lock); + serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 1; + put_rxbuf_data_and_resubmit_bulk_urb(serial); + spin_unlock(&serial->serial_lock); } /* diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 23bdd5b9274d..ff5c87128ffe 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -712,6 +712,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, + {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, @@ -723,6 +724,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ + {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index e8fac732c6f1..d89dbe395ad2 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2273,22 +2273,21 @@ static int rtl8152_open(struct net_device *netdev) struct r8152 *tp = netdev_priv(netdev); int res = 0; + rtl8152_set_speed(tp, AUTONEG_ENABLE, + tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, + DUPLEX_FULL); + tp->speed = 0; + netif_carrier_off(netdev); + netif_start_queue(netdev); + set_bit(WORK_ENABLE, &tp->flags); res = usb_submit_urb(tp->intr_urb, GFP_KERNEL); if (res) { if (res == -ENODEV) netif_device_detach(tp->netdev); netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n", res); - return res; } - rtl8152_set_speed(tp, AUTONEG_ENABLE, - tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, - DUPLEX_FULL); - tp->speed = 0; - netif_carrier_off(netdev); - netif_start_queue(netdev); - set_bit(WORK_ENABLE, &tp->flags); return res; } @@ -2298,8 +2297,8 @@ static int rtl8152_close(struct net_device *netdev) struct r8152 *tp = netdev_priv(netdev); int res = 0; - usb_kill_urb(tp->intr_urb); clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); cancel_delayed_work_sync(&tp->schedule); netif_stop_queue(netdev); tasklet_disable(&tp->tl); diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c new file mode 100644 index 000000000000..4175eb9fdeca --- /dev/null +++ b/drivers/net/usb/sr9800.c @@ -0,0 +1,870 @@ +/* CoreChip-sz SR9800 one chip USB 2.0 Ethernet Devices + * + * Author : Liu Junliang <liujunliang_ljl@163.com> + * + * Based on asix_common.c, asix_devices.c + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied.* + */ + +#include <linux/module.h> +#include <linux/kmod.h> +#include <linux/init.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/ethtool.h> +#include <linux/workqueue.h> +#include <linux/mii.h> +#include <linux/usb.h> +#include <linux/crc32.h> +#include <linux/usb/usbnet.h> +#include <linux/slab.h> +#include <linux/if_vlan.h> + +#include "sr9800.h" + +static int sr_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, + u16 size, void *data) +{ + int err; + + err = usbnet_read_cmd(dev, cmd, SR_REQ_RD_REG, value, index, + data, size); + if ((err != size) && (err >= 0)) + err = -EINVAL; + + return err; +} + +static int sr_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, + u16 size, void *data) +{ + int err; + + err = usbnet_write_cmd(dev, cmd, SR_REQ_WR_REG, value, index, + data, size); + if ((err != size) && (err >= 0)) + err = -EINVAL; + + return err; +} + +static void +sr_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, + u16 size, void *data) +{ + usbnet_write_cmd_async(dev, cmd, SR_REQ_WR_REG, value, index, data, + size); +} + +static int sr_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ + int offset = 0; + + while (offset + sizeof(u32) < skb->len) { + struct sk_buff *sr_skb; + u16 size; + u32 header = get_unaligned_le32(skb->data + offset); + + offset += sizeof(u32); + /* get the packet length */ + size = (u16) (header & 0x7ff); + if (size != ((~header >> 16) & 0x07ff)) { + netdev_err(dev->net, "%s : Bad Header Length\n", + __func__); + return 0; + } + + if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) || + (size + offset > skb->len)) { + netdev_err(dev->net, "%s : Bad RX Length %d\n", + __func__, size); + return 0; + } + sr_skb = netdev_alloc_skb_ip_align(dev->net, size); + if (!sr_skb) + return 0; + + skb_put(sr_skb, size); + memcpy(sr_skb->data, skb->data + offset, size); + usbnet_skb_return(dev, sr_skb); + + offset += (size + 1) & 0xfffe; + } + + if (skb->len != offset) { + netdev_err(dev->net, "%s : Bad SKB Length %d\n", __func__, + skb->len); + return 0; + } + + return 1; +} + +static struct sk_buff *sr_tx_fixup(struct usbnet *dev, struct sk_buff *skb, + gfp_t flags) +{ + int headroom = skb_headroom(skb); + int tailroom = skb_tailroom(skb); + u32 padbytes = 0xffff0000; + u32 packet_len; + int padlen; + + padlen = ((skb->len + 4) % (dev->maxpacket - 1)) ? 0 : 4; + + if ((!skb_cloned(skb)) && ((headroom + tailroom) >= (4 + padlen))) { + if ((headroom < 4) || (tailroom < padlen)) { + skb->data = memmove(skb->head + 4, skb->data, + skb->len); + skb_set_tail_pointer(skb, skb->len); + } + } else { + struct sk_buff *skb2; + skb2 = skb_copy_expand(skb, 4, padlen, flags); + dev_kfree_skb_any(skb); + skb = skb2; + if (!skb) + return NULL; + } + + skb_push(skb, 4); + packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4); + cpu_to_le32s(&packet_len); + skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len)); + + if (padlen) { + cpu_to_le32s(&padbytes); + memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes)); + skb_put(skb, sizeof(padbytes)); + } + + return skb; +} + +static void sr_status(struct usbnet *dev, struct urb *urb) +{ + struct sr9800_int_data *event; + int link; + + if (urb->actual_length < 8) + return; + + event = urb->transfer_buffer; + link = event->link & 0x01; + if (netif_carrier_ok(dev->net) != link) { + usbnet_link_change(dev, link, 1); + netdev_dbg(dev->net, "Link Status is: %d\n", link); + } + + return; +} + +static inline int sr_set_sw_mii(struct usbnet *dev) +{ + int ret; + + ret = sr_write_cmd(dev, SR_CMD_SET_SW_MII, 0x0000, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to enable software MII access\n"); + return ret; +} + +static inline int sr_set_hw_mii(struct usbnet *dev) +{ + int ret; + + ret = sr_write_cmd(dev, SR_CMD_SET_HW_MII, 0x0000, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to enable hardware MII access\n"); + return ret; +} + +static inline int sr_get_phy_addr(struct usbnet *dev) +{ + u8 buf[2]; + int ret; + + ret = sr_read_cmd(dev, SR_CMD_READ_PHY_ID, 0, 0, 2, buf); + if (ret < 0) { + netdev_err(dev->net, "%s : Error reading PHYID register:%02x\n", + __func__, ret); + goto out; + } + netdev_dbg(dev->net, "%s : returning 0x%04x\n", __func__, + *((__le16 *)buf)); + + ret = buf[1]; + +out: + return ret; +} + +static int sr_sw_reset(struct usbnet *dev, u8 flags) +{ + int ret; + + ret = sr_write_cmd(dev, SR_CMD_SW_RESET, flags, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to send software reset:%02x\n", + ret); + + return ret; +} + +static u16 sr_read_rx_ctl(struct usbnet *dev) +{ + __le16 v; + int ret; + + ret = sr_read_cmd(dev, SR_CMD_READ_RX_CTL, 0, 0, 2, &v); + if (ret < 0) { + netdev_err(dev->net, "Error reading RX_CTL register:%02x\n", + ret); + goto out; + } + + ret = le16_to_cpu(v); +out: + return ret; +} + +static int sr_write_rx_ctl(struct usbnet *dev, u16 mode) +{ + int ret; + + netdev_dbg(dev->net, "%s : mode = 0x%04x\n", __func__, mode); + ret = sr_write_cmd(dev, SR_CMD_WRITE_RX_CTL, mode, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, + "Failed to write RX_CTL mode to 0x%04x:%02x\n", + mode, ret); + + return ret; +} + +static u16 sr_read_medium_status(struct usbnet *dev) +{ + __le16 v; + int ret; + + ret = sr_read_cmd(dev, SR_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v); + if (ret < 0) { + netdev_err(dev->net, + "Error reading Medium Status register:%02x\n", ret); + return ret; /* TODO: callers not checking for error ret */ + } + + return le16_to_cpu(v); +} + +static int sr_write_medium_mode(struct usbnet *dev, u16 mode) +{ + int ret; + + netdev_dbg(dev->net, "%s : mode = 0x%04x\n", __func__, mode); + ret = sr_write_cmd(dev, SR_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, + "Failed to write Medium Mode mode to 0x%04x:%02x\n", + mode, ret); + return ret; +} + +static int sr_write_gpio(struct usbnet *dev, u16 value, int sleep) +{ + int ret; + + netdev_dbg(dev->net, "%s : value = 0x%04x\n", __func__, value); + ret = sr_write_cmd(dev, SR_CMD_WRITE_GPIOS, value, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to write GPIO value 0x%04x:%02x\n", + value, ret); + if (sleep) + msleep(sleep); + + return ret; +} + +/* SR9800 have a 16-bit RX_CTL value */ +static void sr_set_multicast(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + u16 rx_ctl = SR_DEFAULT_RX_CTL; + + if (net->flags & IFF_PROMISC) { + rx_ctl |= SR_RX_CTL_PRO; + } else if (net->flags & IFF_ALLMULTI || + netdev_mc_count(net) > SR_MAX_MCAST) { + rx_ctl |= SR_RX_CTL_AMALL; + } else if (netdev_mc_empty(net)) { + /* just broadcast and directed */ + } else { + /* We use the 20 byte dev->data + * for our 8 byte filter buffer + * to avoid allocating memory that + * is tricky to free later + */ + struct netdev_hw_addr *ha; + u32 crc_bits; + + memset(data->multi_filter, 0, SR_MCAST_FILTER_SIZE); + + /* Build the multicast hash filter. */ + netdev_for_each_mc_addr(ha, net) { + crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26; + data->multi_filter[crc_bits >> 3] |= + 1 << (crc_bits & 7); + } + + sr_write_cmd_async(dev, SR_CMD_WRITE_MULTI_FILTER, 0, 0, + SR_MCAST_FILTER_SIZE, data->multi_filter); + + rx_ctl |= SR_RX_CTL_AM; + } + + sr_write_cmd_async(dev, SR_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); +} + +static int sr_mdio_read(struct net_device *net, int phy_id, int loc) +{ + struct usbnet *dev = netdev_priv(net); + __le16 res; + + mutex_lock(&dev->phy_mutex); + sr_set_sw_mii(dev); + sr_read_cmd(dev, SR_CMD_READ_MII_REG, phy_id, (__u16)loc, 2, &res); + sr_set_hw_mii(dev); + mutex_unlock(&dev->phy_mutex); + + netdev_dbg(dev->net, + "%s : phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n", __func__, + phy_id, loc, le16_to_cpu(res)); + + return le16_to_cpu(res); +} + +static void +sr_mdio_write(struct net_device *net, int phy_id, int loc, int val) +{ + struct usbnet *dev = netdev_priv(net); + __le16 res = cpu_to_le16(val); + + netdev_dbg(dev->net, + "%s : phy_id=0x%02x, loc=0x%02x, val=0x%04x\n", __func__, + phy_id, loc, val); + mutex_lock(&dev->phy_mutex); + sr_set_sw_mii(dev); + sr_write_cmd(dev, SR_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res); + sr_set_hw_mii(dev); + mutex_unlock(&dev->phy_mutex); +} + +/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */ +static u32 sr_get_phyid(struct usbnet *dev) +{ + int phy_reg; + u32 phy_id; + int i; + + /* Poll for the rare case the FW or phy isn't ready yet. */ + for (i = 0; i < 100; i++) { + phy_reg = sr_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1); + if (phy_reg != 0 && phy_reg != 0xFFFF) + break; + mdelay(1); + } + + if (phy_reg <= 0 || phy_reg == 0xFFFF) + return 0; + + phy_id = (phy_reg & 0xffff) << 16; + + phy_reg = sr_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2); + if (phy_reg < 0) + return 0; + + phy_id |= (phy_reg & 0xffff); + + return phy_id; +} + +static void +sr_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) +{ + struct usbnet *dev = netdev_priv(net); + u8 opt; + + if (sr_read_cmd(dev, SR_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) { + wolinfo->supported = 0; + wolinfo->wolopts = 0; + return; + } + wolinfo->supported = WAKE_PHY | WAKE_MAGIC; + wolinfo->wolopts = 0; + if (opt & SR_MONITOR_LINK) + wolinfo->wolopts |= WAKE_PHY; + if (opt & SR_MONITOR_MAGIC) + wolinfo->wolopts |= WAKE_MAGIC; +} + +static int +sr_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) +{ + struct usbnet *dev = netdev_priv(net); + u8 opt = 0; + + if (wolinfo->wolopts & WAKE_PHY) + opt |= SR_MONITOR_LINK; + if (wolinfo->wolopts & WAKE_MAGIC) + opt |= SR_MONITOR_MAGIC; + + if (sr_write_cmd(dev, SR_CMD_WRITE_MONITOR_MODE, + opt, 0, 0, NULL) < 0) + return -EINVAL; + + return 0; +} + +static int sr_get_eeprom_len(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + + return data->eeprom_len; +} + +static int sr_get_eeprom(struct net_device *net, + struct ethtool_eeprom *eeprom, u8 *data) +{ + struct usbnet *dev = netdev_priv(net); + __le16 *ebuf = (__le16 *)data; + int ret; + int i; + + /* Crude hack to ensure that we don't overwrite memory + * if an odd length is supplied + */ + if (eeprom->len % 2) + return -EINVAL; + + eeprom->magic = SR_EEPROM_MAGIC; + + /* sr9800 returns 2 bytes from eeprom on read */ + for (i = 0; i < eeprom->len / 2; i++) { + ret = sr_read_cmd(dev, SR_CMD_READ_EEPROM, eeprom->offset + i, + 0, 2, &ebuf[i]); + if (ret < 0) + return -EINVAL; + } + return 0; +} + +static void sr_get_drvinfo(struct net_device *net, + struct ethtool_drvinfo *info) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + + /* Inherit standard device info */ + usbnet_get_drvinfo(net, info); + strncpy(info->driver, DRIVER_NAME, sizeof(info->driver)); + strncpy(info->version, DRIVER_VERSION, sizeof(info->version)); + info->eedump_len = data->eeprom_len; +} + +static u32 sr_get_link(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + + return mii_link_ok(&dev->mii); +} + +static int sr_ioctl(struct net_device *net, struct ifreq *rq, int cmd) +{ + struct usbnet *dev = netdev_priv(net); + + return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); +} + +static int sr_set_mac_address(struct net_device *net, void *p) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + struct sockaddr *addr = p; + + if (netif_running(net)) + return -EBUSY; + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(net->dev_addr, addr->sa_data, ETH_ALEN); + + /* We use the 20 byte dev->data + * for our 6 byte mac buffer + * to avoid allocating memory that + * is tricky to free later + */ + memcpy(data->mac_addr, addr->sa_data, ETH_ALEN); + sr_write_cmd_async(dev, SR_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, + data->mac_addr); + + return 0; +} + +static const struct ethtool_ops sr9800_ethtool_ops = { + .get_drvinfo = sr_get_drvinfo, + .get_link = sr_get_link, + .get_msglevel = usbnet_get_msglevel, + .set_msglevel = usbnet_set_msglevel, + .get_wol = sr_get_wol, + .set_wol = sr_set_wol, + .get_eeprom_len = sr_get_eeprom_len, + .get_eeprom = sr_get_eeprom, + .get_settings = usbnet_get_settings, + .set_settings = usbnet_set_settings, + .nway_reset = usbnet_nway_reset, +}; + +static int sr9800_link_reset(struct usbnet *dev) +{ + struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; + u16 mode; + + mii_check_media(&dev->mii, 1, 1); + mii_ethtool_gset(&dev->mii, &ecmd); + mode = SR9800_MEDIUM_DEFAULT; + + if (ethtool_cmd_speed(&ecmd) != SPEED_100) + mode &= ~SR_MEDIUM_PS; + + if (ecmd.duplex != DUPLEX_FULL) + mode &= ~SR_MEDIUM_FD; + + netdev_dbg(dev->net, "%s : speed: %u duplex: %d mode: 0x%04x\n", + __func__, ethtool_cmd_speed(&ecmd), ecmd.duplex, mode); + + sr_write_medium_mode(dev, mode); + + return 0; +} + + +static int sr9800_set_default_mode(struct usbnet *dev) +{ + u16 rx_ctl; + int ret; + + sr_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); + sr_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, + ADVERTISE_ALL | ADVERTISE_CSMA); + mii_nway_restart(&dev->mii); + + ret = sr_write_medium_mode(dev, SR9800_MEDIUM_DEFAULT); + if (ret < 0) + goto out; + + ret = sr_write_cmd(dev, SR_CMD_WRITE_IPG012, + SR9800_IPG0_DEFAULT | SR9800_IPG1_DEFAULT, + SR9800_IPG2_DEFAULT, 0, NULL); + if (ret < 0) { + netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret); + goto out; + } + + /* Set RX_CTL to default values with 2k buffer, and enable cactus */ + ret = sr_write_rx_ctl(dev, SR_DEFAULT_RX_CTL); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n", + rx_ctl); + + rx_ctl = sr_read_medium_status(dev); + netdev_dbg(dev->net, "Medium Status:0x%04x after all initializations\n", + rx_ctl); + + return 0; +out: + return ret; +} + +static int sr9800_reset(struct usbnet *dev) +{ + struct sr_data *data = (struct sr_data *)&dev->data; + int ret, embd_phy; + u16 rx_ctl; + + ret = sr_write_gpio(dev, + SR_GPIO_RSE | SR_GPIO_GPO_2 | SR_GPIO_GPO2EN, 5); + if (ret < 0) + goto out; + + embd_phy = ((sr_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0); + + ret = sr_write_cmd(dev, SR_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL); + if (ret < 0) { + netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); + goto out; + } + + ret = sr_sw_reset(dev, SR_SWRESET_IPPD | SR_SWRESET_PRL); + if (ret < 0) + goto out; + + msleep(150); + + ret = sr_sw_reset(dev, SR_SWRESET_CLEAR); + if (ret < 0) + goto out; + + msleep(150); + + if (embd_phy) { + ret = sr_sw_reset(dev, SR_SWRESET_IPRL); + if (ret < 0) + goto out; + } else { + ret = sr_sw_reset(dev, SR_SWRESET_PRTE); + if (ret < 0) + goto out; + } + + msleep(150); + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl); + ret = sr_write_rx_ctl(dev, 0x0000); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl); + + ret = sr_sw_reset(dev, SR_SWRESET_PRL); + if (ret < 0) + goto out; + + msleep(150); + + ret = sr_sw_reset(dev, SR_SWRESET_IPRL | SR_SWRESET_PRL); + if (ret < 0) + goto out; + + msleep(150); + + ret = sr9800_set_default_mode(dev); + if (ret < 0) + goto out; + + /* Rewrite MAC address */ + memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN); + ret = sr_write_cmd(dev, SR_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, + data->mac_addr); + if (ret < 0) + goto out; + + return 0; + +out: + return ret; +} + +static const struct net_device_ops sr9800_netdev_ops = { + .ndo_open = usbnet_open, + .ndo_stop = usbnet_stop, + .ndo_start_xmit = usbnet_start_xmit, + .ndo_tx_timeout = usbnet_tx_timeout, + .ndo_change_mtu = usbnet_change_mtu, + .ndo_set_mac_address = sr_set_mac_address, + .ndo_validate_addr = eth_validate_addr, + .ndo_do_ioctl = sr_ioctl, + .ndo_set_rx_mode = sr_set_multicast, +}; + +static int sr9800_phy_powerup(struct usbnet *dev) +{ + int ret; + + /* set the embedded Ethernet PHY in power-down state */ + ret = sr_sw_reset(dev, SR_SWRESET_IPPD | SR_SWRESET_IPRL); + if (ret < 0) { + netdev_err(dev->net, "Failed to power down PHY : %d\n", ret); + return ret; + } + msleep(20); + + /* set the embedded Ethernet PHY in power-up state */ + ret = sr_sw_reset(dev, SR_SWRESET_IPRL); + if (ret < 0) { + netdev_err(dev->net, "Failed to reset PHY: %d\n", ret); + return ret; + } + msleep(600); + + /* set the embedded Ethernet PHY in reset state */ + ret = sr_sw_reset(dev, SR_SWRESET_CLEAR); + if (ret < 0) { + netdev_err(dev->net, "Failed to power up PHY: %d\n", ret); + return ret; + } + msleep(20); + + /* set the embedded Ethernet PHY in power-up state */ + ret = sr_sw_reset(dev, SR_SWRESET_IPRL); + if (ret < 0) { + netdev_err(dev->net, "Failed to reset PHY: %d\n", ret); + return ret; + } + + return 0; +} + +static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf) +{ + struct sr_data *data = (struct sr_data *)&dev->data; + u16 led01_mux, led23_mux; + int ret, embd_phy; + u32 phyid; + u16 rx_ctl; + + data->eeprom_len = SR9800_EEPROM_LEN; + + usbnet_get_endpoints(dev, intf); + + /* LED Setting Rule : + * AABB:CCDD + * AA : MFA0(LED0) + * BB : MFA1(LED1) + * CC : MFA2(LED2), Reserved for SR9800 + * DD : MFA3(LED3), Reserved for SR9800 + */ + led01_mux = (SR_LED_MUX_LINK_ACTIVE << 8) | SR_LED_MUX_LINK; + led23_mux = (SR_LED_MUX_LINK_ACTIVE << 8) | SR_LED_MUX_TX_ACTIVE; + ret = sr_write_cmd(dev, SR_CMD_LED_MUX, led01_mux, led23_mux, 0, NULL); + if (ret < 0) { + netdev_err(dev->net, "set LINK LED failed : %d\n", ret); + goto out; + } + + /* Get the MAC address */ + ret = sr_read_cmd(dev, SR_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, + dev->net->dev_addr); + if (ret < 0) { + netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); + return ret; + } + netdev_dbg(dev->net, "mac addr : %pM\n", dev->net->dev_addr); + + /* Initialize MII structure */ + dev->mii.dev = dev->net; + dev->mii.mdio_read = sr_mdio_read; + dev->mii.mdio_write = sr_mdio_write; + dev->mii.phy_id_mask = 0x1f; + dev->mii.reg_num_mask = 0x1f; + dev->mii.phy_id = sr_get_phy_addr(dev); + + dev->net->netdev_ops = &sr9800_netdev_ops; + dev->net->ethtool_ops = &sr9800_ethtool_ops; + + embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0); + /* Reset the PHY to normal operation mode */ + ret = sr_write_cmd(dev, SR_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL); + if (ret < 0) { + netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); + return ret; + } + + /* Init PHY routine */ + ret = sr9800_phy_powerup(dev); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl); + ret = sr_write_rx_ctl(dev, 0x0000); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl); + + /* Read PHYID register *AFTER* the PHY was reset properly */ + phyid = sr_get_phyid(dev); + netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid); + + /* medium mode setting */ + ret = sr9800_set_default_mode(dev); + if (ret < 0) + goto out; + + if (dev->udev->speed == USB_SPEED_HIGH) { + ret = sr_write_cmd(dev, SR_CMD_BULKIN_SIZE, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_4K].byte_cnt, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_4K].threshold, + 0, NULL); + if (ret < 0) { + netdev_err(dev->net, "Reset RX_CTL failed: %d\n", ret); + goto out; + } + dev->rx_urb_size = + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_4K].size; + } else { + ret = sr_write_cmd(dev, SR_CMD_BULKIN_SIZE, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_2K].byte_cnt, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_2K].threshold, + 0, NULL); + if (ret < 0) { + netdev_err(dev->net, "Reset RX_CTL failed: %d\n", ret); + goto out; + } + dev->rx_urb_size = + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_2K].size; + } + netdev_dbg(dev->net, "%s : setting rx_urb_size with : %ld\n", __func__, + dev->rx_urb_size); + return 0; + +out: + return ret; +} + +static const struct driver_info sr9800_driver_info = { + .description = "CoreChip SR9800 USB 2.0 Ethernet", + .bind = sr9800_bind, + .status = sr_status, + .link_reset = sr9800_link_reset, + .reset = sr9800_reset, + .flags = DRIVER_FLAG, + .rx_fixup = sr_rx_fixup, + .tx_fixup = sr_tx_fixup, +}; + +static const struct usb_device_id products[] = { + { + USB_DEVICE(0x0fe6, 0x9800), /* SR9800 Device */ + .driver_info = (unsigned long) &sr9800_driver_info, + }, + {}, /* END */ +}; + +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver sr_driver = { + .name = DRIVER_NAME, + .id_table = products, + .probe = usbnet_probe, + .suspend = usbnet_suspend, + .resume = usbnet_resume, + .disconnect = usbnet_disconnect, + .supports_autosuspend = 1, +}; + +module_usb_driver(sr_driver); + +MODULE_AUTHOR("Liu Junliang <liujunliang_ljl@163.com"); +MODULE_VERSION(DRIVER_VERSION); +MODULE_DESCRIPTION("SR9800 USB 2.0 USB2NET Dev : http://www.corechip-sz.com"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/usb/sr9800.h b/drivers/net/usb/sr9800.h new file mode 100644 index 000000000000..18f670251275 --- /dev/null +++ b/drivers/net/usb/sr9800.h @@ -0,0 +1,202 @@ +/* CoreChip-sz SR9800 one chip USB 2.0 Ethernet Devices + * + * Author : Liu Junliang <liujunliang_ljl@163.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#ifndef _SR9800_H +#define _SR9800_H + +/* SR9800 spec. command table on Linux Platform */ + +/* command : Software Station Management Control Reg */ +#define SR_CMD_SET_SW_MII 0x06 +/* command : PHY Read Reg */ +#define SR_CMD_READ_MII_REG 0x07 +/* command : PHY Write Reg */ +#define SR_CMD_WRITE_MII_REG 0x08 +/* command : Hardware Station Management Control Reg */ +#define SR_CMD_SET_HW_MII 0x0a +/* command : SROM Read Reg */ +#define SR_CMD_READ_EEPROM 0x0b +/* command : SROM Write Reg */ +#define SR_CMD_WRITE_EEPROM 0x0c +/* command : SROM Write Enable Reg */ +#define SR_CMD_WRITE_ENABLE 0x0d +/* command : SROM Write Disable Reg */ +#define SR_CMD_WRITE_DISABLE 0x0e +/* command : RX Control Read Reg */ +#define SR_CMD_READ_RX_CTL 0x0f +#define SR_RX_CTL_PRO (1 << 0) +#define SR_RX_CTL_AMALL (1 << 1) +#define SR_RX_CTL_SEP (1 << 2) +#define SR_RX_CTL_AB (1 << 3) +#define SR_RX_CTL_AM (1 << 4) +#define SR_RX_CTL_AP (1 << 5) +#define SR_RX_CTL_ARP (1 << 6) +#define SR_RX_CTL_SO (1 << 7) +#define SR_RX_CTL_RH1M (1 << 8) +#define SR_RX_CTL_RH2M (1 << 9) +#define SR_RX_CTL_RH3M (1 << 10) +/* command : RX Control Write Reg */ +#define SR_CMD_WRITE_RX_CTL 0x10 +/* command : IPG0/IPG1/IPG2 Control Read Reg */ +#define SR_CMD_READ_IPG012 0x11 +/* command : IPG0/IPG1/IPG2 Control Write Reg */ +#define SR_CMD_WRITE_IPG012 0x12 +/* command : Node ID Read Reg */ +#define SR_CMD_READ_NODE_ID 0x13 +/* command : Node ID Write Reg */ +#define SR_CMD_WRITE_NODE_ID 0x14 +/* command : Multicast Filter Array Read Reg */ +#define SR_CMD_READ_MULTI_FILTER 0x15 +/* command : Multicast Filter Array Write Reg */ +#define SR_CMD_WRITE_MULTI_FILTER 0x16 +/* command : Eth/HomePNA PHY Address Reg */ +#define SR_CMD_READ_PHY_ID 0x19 +/* command : Medium Status Read Reg */ +#define SR_CMD_READ_MEDIUM_STATUS 0x1a +#define SR_MONITOR_LINK (1 << 1) +#define SR_MONITOR_MAGIC (1 << 2) +#define SR_MONITOR_HSFS (1 << 4) +/* command : Medium Status Write Reg */ +#define SR_CMD_WRITE_MEDIUM_MODE 0x1b +#define SR_MEDIUM_GM (1 << 0) +#define SR_MEDIUM_FD (1 << 1) +#define SR_MEDIUM_AC (1 << 2) +#define SR_MEDIUM_ENCK (1 << 3) +#define SR_MEDIUM_RFC (1 << 4) +#define SR_MEDIUM_TFC (1 << 5) +#define SR_MEDIUM_JFE (1 << 6) +#define SR_MEDIUM_PF (1 << 7) +#define SR_MEDIUM_RE (1 << 8) +#define SR_MEDIUM_PS (1 << 9) +#define SR_MEDIUM_RSV (1 << 10) +#define SR_MEDIUM_SBP (1 << 11) +#define SR_MEDIUM_SM (1 << 12) +/* command : Monitor Mode Status Read Reg */ +#define SR_CMD_READ_MONITOR_MODE 0x1c +/* command : Monitor Mode Status Write Reg */ +#define SR_CMD_WRITE_MONITOR_MODE 0x1d +/* command : GPIO Status Read Reg */ +#define SR_CMD_READ_GPIOS 0x1e +#define SR_GPIO_GPO0EN (1 << 0) /* GPIO0 Output enable */ +#define SR_GPIO_GPO_0 (1 << 1) /* GPIO0 Output value */ +#define SR_GPIO_GPO1EN (1 << 2) /* GPIO1 Output enable */ +#define SR_GPIO_GPO_1 (1 << 3) /* GPIO1 Output value */ +#define SR_GPIO_GPO2EN (1 << 4) /* GPIO2 Output enable */ +#define SR_GPIO_GPO_2 (1 << 5) /* GPIO2 Output value */ +#define SR_GPIO_RESERVED (1 << 6) /* Reserved */ +#define SR_GPIO_RSE (1 << 7) /* Reload serial EEPROM */ +/* command : GPIO Status Write Reg */ +#define SR_CMD_WRITE_GPIOS 0x1f +/* command : Eth PHY Power and Reset Control Reg */ +#define SR_CMD_SW_RESET 0x20 +#define SR_SWRESET_CLEAR 0x00 +#define SR_SWRESET_RR (1 << 0) +#define SR_SWRESET_RT (1 << 1) +#define SR_SWRESET_PRTE (1 << 2) +#define SR_SWRESET_PRL (1 << 3) +#define SR_SWRESET_BZ (1 << 4) +#define SR_SWRESET_IPRL (1 << 5) +#define SR_SWRESET_IPPD (1 << 6) +/* command : Software Interface Selection Status Read Reg */ +#define SR_CMD_SW_PHY_STATUS 0x21 +/* command : Software Interface Selection Status Write Reg */ +#define SR_CMD_SW_PHY_SELECT 0x22 +/* command : BULK in Buffer Size Reg */ +#define SR_CMD_BULKIN_SIZE 0x2A +/* command : LED_MUX Control Reg */ +#define SR_CMD_LED_MUX 0x70 +#define SR_LED_MUX_TX_ACTIVE (1 << 0) +#define SR_LED_MUX_RX_ACTIVE (1 << 1) +#define SR_LED_MUX_COLLISION (1 << 2) +#define SR_LED_MUX_DUP_COL (1 << 3) +#define SR_LED_MUX_DUP (1 << 4) +#define SR_LED_MUX_SPEED (1 << 5) +#define SR_LED_MUX_LINK_ACTIVE (1 << 6) +#define SR_LED_MUX_LINK (1 << 7) + +/* Register Access Flags */ +#define SR_REQ_RD_REG (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE) +#define SR_REQ_WR_REG (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE) + +/* Multicast Filter Array size & Max Number */ +#define SR_MCAST_FILTER_SIZE 8 +#define SR_MAX_MCAST 64 + +/* IPG0/1/2 Default Value */ +#define SR9800_IPG0_DEFAULT 0x15 +#define SR9800_IPG1_DEFAULT 0x0c +#define SR9800_IPG2_DEFAULT 0x12 + +/* Medium Status Default Mode */ +#define SR9800_MEDIUM_DEFAULT \ + (SR_MEDIUM_FD | SR_MEDIUM_RFC | \ + SR_MEDIUM_TFC | SR_MEDIUM_PS | \ + SR_MEDIUM_AC | SR_MEDIUM_RE) + +/* RX Control Default Setting */ +#define SR_DEFAULT_RX_CTL \ + (SR_RX_CTL_SO | SR_RX_CTL_AB | SR_RX_CTL_RH1M) + +/* EEPROM Magic Number & EEPROM Size */ +#define SR_EEPROM_MAGIC 0xdeadbeef +#define SR9800_EEPROM_LEN 0xff + +/* SR9800 Driver Version and Driver Name */ +#define DRIVER_VERSION "11-Nov-2013" +#define DRIVER_NAME "CoreChips" +#define DRIVER_FLAG \ + (FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET) + +/* SR9800 BULKIN Buffer Size */ +#define SR9800_MAX_BULKIN_2K 0 +#define SR9800_MAX_BULKIN_4K 1 +#define SR9800_MAX_BULKIN_6K 2 +#define SR9800_MAX_BULKIN_8K 3 +#define SR9800_MAX_BULKIN_16K 4 +#define SR9800_MAX_BULKIN_20K 5 +#define SR9800_MAX_BULKIN_24K 6 +#define SR9800_MAX_BULKIN_32K 7 + +struct {unsigned short size, byte_cnt, threshold; } SR9800_BULKIN_SIZE[] = { + /* 2k */ + {2048, 0x8000, 0x8001}, + /* 4k */ + {4096, 0x8100, 0x8147}, + /* 6k */ + {6144, 0x8200, 0x81EB}, + /* 8k */ + {8192, 0x8300, 0x83D7}, + /* 16 */ + {16384, 0x8400, 0x851E}, + /* 20k */ + {20480, 0x8500, 0x8666}, + /* 24k */ + {24576, 0x8600, 0x87AE}, + /* 32k */ + {32768, 0x8700, 0x8A3D}, +}; + +/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */ +struct sr_data { + u8 multi_filter[SR_MCAST_FILTER_SIZE]; + u8 mac_addr[ETH_ALEN]; + u8 phymode; + u8 ledmode; + u8 eeprom_len; +}; + +struct sr9800_int_data { + __le16 res1; + u8 link; + __le16 res2; + u8 status; + __le16 res3; +} __packed; + +#endif /* _SR9800_H */ diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 026a313c2d2d..b0f705c2378f 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -469,7 +469,6 @@ static inline struct hlist_head *vxlan_fdb_head(struct vxlan_dev *vxlan, /* Look up Ethernet address in forwarding table */ static struct vxlan_fdb *__vxlan_find_mac(struct vxlan_dev *vxlan, const u8 *mac) - { struct hlist_head *head = vxlan_fdb_head(vxlan, mac); struct vxlan_fdb *f; @@ -596,10 +595,8 @@ static struct sk_buff **vxlan_gro_receive(struct sk_buff **head, struct sk_buff NAPI_GRO_CB(p)->same_flow = 0; continue; } - goto found; } -found: type = eh->h_proto; rcu_read_lock(); diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c index 0d1c7592efa0..19f7cb2cdef3 100644 --- a/drivers/net/wan/dlci.c +++ b/drivers/net/wan/dlci.c @@ -71,12 +71,9 @@ static int dlci_header(struct sk_buff *skb, struct net_device *dev, const void *saddr, unsigned len) { struct frhdr hdr; - struct dlci_local *dlp; unsigned int hlen; char *dest; - dlp = netdev_priv(dev); - hdr.control = FRAD_I_UI; switch (type) { @@ -107,11 +104,9 @@ static int dlci_header(struct sk_buff *skb, struct net_device *dev, static void dlci_receive(struct sk_buff *skb, struct net_device *dev) { - struct dlci_local *dlp; struct frhdr *hdr; int process, header; - dlp = netdev_priv(dev); if (!pskb_may_pull(skb, sizeof(*hdr))) { netdev_notice(dev, "invalid data no header\n"); dev->stats.rx_errors++; diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c index 8aa20df55e50..507d9a9ee69a 100644 --- a/drivers/net/wireless/ath/ar5523/ar5523.c +++ b/drivers/net/wireless/ath/ar5523/ar5523.c @@ -1764,7 +1764,7 @@ static struct usb_device_id ar5523_id_table[] = { AR5523_DEVICE_UG(0x07d1, 0x3a07), /* D-Link / WUA-2340 rev A1 */ AR5523_DEVICE_UG(0x1690, 0x0712), /* Gigaset / AR5523 */ AR5523_DEVICE_UG(0x1690, 0x0710), /* Gigaset / SMCWUSBTG */ - AR5523_DEVICE_UG(0x129b, 0x160c), /* Gigaset / USB stick 108 + AR5523_DEVICE_UG(0x129b, 0x160b), /* Gigaset / USB stick 108 (CyberTAN Technology) */ AR5523_DEVICE_UG(0x16ab, 0x7801), /* Globalsun / AR5523_1 */ AR5523_DEVICE_UX(0x16ab, 0x7811), /* Globalsun / AR5523_2 */ diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 25243cbc07f0..b8daff78b9d1 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -5065,6 +5065,10 @@ static u16 ar9003_hw_get_max_edge_power(struct ar9300_eeprom *eep, break; } } + + if (is2GHz && !twiceMaxEdgePower) + twiceMaxEdgePower = 60; + return twiceMaxEdgePower; } diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 58da3468d1f0..99a203174f45 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -262,6 +262,8 @@ enum tid_aggr_state { struct ath9k_htc_sta { u8 index; enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID]; + struct work_struct rc_update_work; + struct ath9k_htc_priv *htc_priv; }; #define ATH9K_HTC_RXBUF 256 diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index f4e1de20d99c..c57d6b859c04 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -34,6 +34,10 @@ static int ath9k_htc_btcoex_enable; module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444); MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence"); +static int ath9k_ps_enable; +module_param_named(ps_enable, ath9k_ps_enable, int, 0444); +MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave"); + #define CHAN2G(_freq, _idx) { \ .center_freq = (_freq), \ .hw_value = (_idx), \ @@ -725,12 +729,14 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_HAS_RATE_CONTROL | IEEE80211_HW_RX_INCLUDES_FCS | - IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_MFP_CAPABLE | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; + if (ath9k_ps_enable) + hw->flags |= IEEE80211_HW_SUPPORTS_PS; + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) | diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 608d739d1378..c9254a61ca52 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1270,18 +1270,50 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw, mutex_unlock(&priv->mutex); } +static void ath9k_htc_sta_rc_update_work(struct work_struct *work) +{ + struct ath9k_htc_sta *ista = + container_of(work, struct ath9k_htc_sta, rc_update_work); + struct ieee80211_sta *sta = + container_of((void *)ista, struct ieee80211_sta, drv_priv); + struct ath9k_htc_priv *priv = ista->htc_priv; + struct ath_common *common = ath9k_hw_common(priv->ah); + struct ath9k_htc_target_rate trate; + + mutex_lock(&priv->mutex); + ath9k_htc_ps_wakeup(priv); + + memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); + ath9k_htc_setup_rate(priv, sta, &trate); + if (!ath9k_htc_send_rate_cmd(priv, &trate)) + ath_dbg(common, CONFIG, + "Supported rates for sta: %pM updated, rate caps: 0x%X\n", + sta->addr, be32_to_cpu(trate.capflags)); + else + ath_dbg(common, CONFIG, + "Unable to update supported rates for sta: %pM\n", + sta->addr); + + ath9k_htc_ps_restore(priv); + mutex_unlock(&priv->mutex); +} + static int ath9k_htc_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct ath9k_htc_priv *priv = hw->priv; + struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; int ret; mutex_lock(&priv->mutex); ath9k_htc_ps_wakeup(priv); ret = ath9k_htc_add_station(priv, vif, sta); - if (!ret) + if (!ret) { + INIT_WORK(&ista->rc_update_work, ath9k_htc_sta_rc_update_work); + ista->htc_priv = priv; ath9k_htc_init_rate(priv, sta); + } ath9k_htc_ps_restore(priv); mutex_unlock(&priv->mutex); @@ -1293,12 +1325,13 @@ static int ath9k_htc_sta_remove(struct ieee80211_hw *hw, struct ieee80211_sta *sta) { struct ath9k_htc_priv *priv = hw->priv; - struct ath9k_htc_sta *ista; + struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; int ret; + cancel_work_sync(&ista->rc_update_work); + mutex_lock(&priv->mutex); ath9k_htc_ps_wakeup(priv); - ista = (struct ath9k_htc_sta *) sta->drv_priv; htc_sta_drain(priv->htc, ista->index); ret = ath9k_htc_remove_station(priv, vif, sta); ath9k_htc_ps_restore(priv); @@ -1311,28 +1344,12 @@ static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u32 changed) { - struct ath9k_htc_priv *priv = hw->priv; - struct ath_common *common = ath9k_hw_common(priv->ah); - struct ath9k_htc_target_rate trate; - - mutex_lock(&priv->mutex); - ath9k_htc_ps_wakeup(priv); + struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; - if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { - memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); - ath9k_htc_setup_rate(priv, sta, &trate); - if (!ath9k_htc_send_rate_cmd(priv, &trate)) - ath_dbg(common, CONFIG, - "Supported rates for sta: %pM updated, rate caps: 0x%X\n", - sta->addr, be32_to_cpu(trate.capflags)); - else - ath_dbg(common, CONFIG, - "Unable to update supported rates for sta: %pM\n", - sta->addr); - } + if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED)) + return; - ath9k_htc_ps_restore(priv); - mutex_unlock(&priv->mutex); + schedule_work(&ista->rc_update_work); } static int ath9k_htc_conf_tx(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index fbf43c05713f..11eab9f01fd8 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1316,7 +1316,7 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type) if (AR_SREV_9300_20_OR_LATER(ah)) udelay(50); else if (AR_SREV_9100(ah)) - udelay(10000); + mdelay(10); else udelay(100); @@ -2051,9 +2051,8 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah) REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); - if (AR_SREV_9100(ah)) - udelay(10000); + mdelay(10); else udelay(50); diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index c36de303c8f3..1fc2e5a26b52 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -57,6 +57,10 @@ static int ath9k_bt_ant_diversity; module_param_named(bt_ant_diversity, ath9k_bt_ant_diversity, int, 0444); MODULE_PARM_DESC(bt_ant_diversity, "Enable WLAN/BT RX antenna diversity"); +static int ath9k_ps_enable; +module_param_named(ps_enable, ath9k_ps_enable, int, 0444); +MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave"); + bool is_ath9k_unloaded; /* We use the hw_value as an index into our private channel structure */ @@ -903,13 +907,15 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_RC_TABLE | IEEE80211_HW_SUPPORTS_HT_CCK_RATES; + if (ath9k_ps_enable) + hw->flags |= IEEE80211_HW_SUPPORTS_PS; + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) { hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index f06f4cbe1317..725e954d8475 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -182,6 +182,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, for (ch_idx = 0; ch_idx < IWL_NUM_CHANNELS; ch_idx++) { ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx); + + if (ch_idx >= NUM_2GHZ_CHANNELS && + !data->sku_cap_band_52GHz_enable) + ch_flags &= ~NVM_CHANNEL_VALID; + if (!(ch_flags & NVM_CHANNEL_VALID)) { IWL_DEBUG_EEPROM(dev, "Ch. %d Flags %x [%sGHz] - No traffic\n", diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index 73cbba7424f2..9426905de6b2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -504,6 +504,7 @@ struct iwl_scan_offload_profile { * @match_notify: clients waiting for match found notification * @pass_match: clients waiting for the results * @active_clients: active clients bitmap - enum scan_framework_client + * @any_beacon_notify: clients waiting for match notification without match */ struct iwl_scan_offload_profile_cfg { struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES]; @@ -512,7 +513,8 @@ struct iwl_scan_offload_profile_cfg { u8 match_notify; u8 pass_match; u8 active_clients; - u8 reserved[3]; + u8 any_beacon_notify; + u8 reserved[2]; } __packed; /** diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index c49b5073c251..6bf9766e5982 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -246,7 +246,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) else hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; - if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) { + if (0 && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) { hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 0e0007960612..742afc429c94 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -344,7 +344,8 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, iwl_mvm_scan_fill_ssids(cmd, req, basic_ssid ? 1 : 0); - cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL); + cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | + TX_CMD_FLG_BT_DIS); cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id; cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); cmd->tx_cmd.rate_n_flags = @@ -807,6 +808,8 @@ int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, profile_cfg->active_clients = SCAN_CLIENT_SCHED_SCAN; profile_cfg->pass_match = SCAN_CLIENT_SCHED_SCAN; profile_cfg->match_notify = SCAN_CLIENT_SCHED_SCAN; + if (!req->n_match_sets || !req->match_sets[0].ssid.ssid_len) + profile_cfg->any_beacon_notify = SCAN_CLIENT_SCHED_SCAN; for (i = 0; i < req->n_match_sets; i++) { profile = &profile_cfg->profiles[i]; diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index ec1812133235..3397f59cd4e4 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -652,7 +652,7 @@ int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); static const u8 _baddr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; - static const u8 *baddr = _baddr; + const u8 *baddr = _baddr; lockdep_assert_held(&mvm->mutex); diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 90378c217bc7..4df12fa9d336 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -659,8 +659,14 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, rcu_read_lock(); sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + /* + * sta can't be NULL otherwise it'd mean that the sta has been freed in + * the firmware while we still have packets for it in the Tx queues. + */ + if (WARN_ON_ONCE(!sta)) + goto out; - if (!IS_ERR_OR_NULL(sta)) { + if (!IS_ERR(sta)) { mvmsta = iwl_mvm_sta_from_mac80211(sta); if (tid != IWL_TID_NON_QOS) { @@ -675,7 +681,6 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, spin_unlock_bh(&mvmsta->lock); } } else { - sta = NULL; mvmsta = NULL; } @@ -683,42 +688,38 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, * If the txq is not an AMPDU queue, there is no chance we freed * several skbs. Check that out... */ - if (txq_id < mvm->first_agg_queue && !WARN_ON(skb_freed > 1) && - atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) { - if (mvmsta) { - /* - * If there are no pending frames for this STA, notify - * mac80211 that this station can go to sleep in its - * STA table. - */ - if (mvmsta->vif->type == NL80211_IFTYPE_AP) - ieee80211_sta_block_awake(mvm->hw, sta, false); - /* - * We might very well have taken mvmsta pointer while - * the station was being removed. The remove flow might - * have seen a pending_frame (because we didn't take - * the lock) even if now the queues are drained. So make - * really sure now that this the station is not being - * removed. If it is, run the drain worker to remove it. - */ - spin_lock_bh(&mvmsta->lock); - sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); - if (!sta || PTR_ERR(sta) == -EBUSY) { - /* - * Station disappeared in the meantime: - * so we are draining. - */ - set_bit(sta_id, mvm->sta_drained); - schedule_work(&mvm->sta_drained_wk); - } - spin_unlock_bh(&mvmsta->lock); - } else if (!mvmsta && PTR_ERR(sta) == -EBUSY) { - /* Tx response without STA, so we are draining */ - set_bit(sta_id, mvm->sta_drained); - schedule_work(&mvm->sta_drained_wk); - } + if (txq_id >= mvm->first_agg_queue) + goto out; + + /* We can't free more than one frame at once on a shared queue */ + WARN_ON(skb_freed > 1); + + /* If we have still frames from this STA nothing to do here */ + if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) + goto out; + + if (mvmsta && mvmsta->vif->type == NL80211_IFTYPE_AP) { + /* + * If there are no pending frames for this STA, notify + * mac80211 that this station can go to sleep in its + * STA table. + * If mvmsta is not NULL, sta is valid. + */ + ieee80211_sta_block_awake(mvm->hw, sta, false); + } + + if (PTR_ERR(sta) == -EBUSY || PTR_ERR(sta) == -ENOENT) { + /* + * We are draining and this was the last packet - pre_rcu_remove + * has been called already. We might be after the + * synchronize_net already. + * Don't rely on iwl_mvm_rm_sta to see the empty Tx queues. + */ + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); } +out: rcu_read_unlock(); } diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index a4a5e25623c3..86989df69356 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -411,6 +411,8 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) mvm->status, table.valid); } + IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version); + trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, table.data1, table.data2, table.data3, table.blink1, table.blink2, table.ilink1, diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 3040924f5f3c..f47bcbe2945a 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -359,20 +359,25 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { /* 7265 Series */ {IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5110, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5112, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5100, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x510A, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5310, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5210, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5000, iwl7265_2n_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5200, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5002, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5202, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9010, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9012, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9112, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)}, diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index abc5f56f29fe..2f1cd929c6f6 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1877,6 +1877,11 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) EEPROM_MAC_ADDR_0)); /* + * Disable powersaving as default. + */ + rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + + /* * Initialize hw_mode information. */ spec->supported_bands = SUPPORT_BAND_2GHZ; diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 9f16824cd1bc..d849d590de25 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1706,6 +1706,11 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK; + /* + * Disable powersaving as default. + */ + rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, rt2x00_eeprom_addr(rt2x00dev, diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index b8f5b06006c4..7f8b5d156c8c 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -7458,10 +7458,9 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) u32 reg; /* - * Disable powersaving as default on PCI devices. + * Disable powersaving as default. */ - if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) - rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; /* * Initialize all hw fields. diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c index 8ec17aad0e52..3867d1470b36 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c @@ -107,6 +107,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) struct rtl8180_priv *priv = dev->priv; unsigned int count = 32; u8 signal, agc, sq; + dma_addr_t mapping; while (count--) { struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx]; @@ -128,6 +129,17 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) if (unlikely(!new_skb)) goto done; + mapping = pci_map_single(priv->pdev, + skb_tail_pointer(new_skb), + MAX_RX_SIZE, PCI_DMA_FROMDEVICE); + + if (pci_dma_mapping_error(priv->pdev, mapping)) { + kfree_skb(new_skb); + dev_err(&priv->pdev->dev, "RX DMA map error\n"); + + goto done; + } + pci_unmap_single(priv->pdev, *((dma_addr_t *)skb->cb), MAX_RX_SIZE, PCI_DMA_FROMDEVICE); @@ -158,9 +170,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) skb = new_skb; priv->rx_buf[priv->rx_idx] = skb; - *((dma_addr_t *) skb->cb) = - pci_map_single(priv->pdev, skb_tail_pointer(skb), - MAX_RX_SIZE, PCI_DMA_FROMDEVICE); + *((dma_addr_t *) skb->cb) = mapping; } done: @@ -266,6 +276,13 @@ static void rtl8180_tx(struct ieee80211_hw *dev, mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(priv->pdev, mapping)) { + kfree_skb(skb); + dev_err(&priv->pdev->dev, "TX DMA mapping error\n"); + return; + + } + tx_flags = RTL818X_TX_DESC_FLAG_OWN | RTL818X_TX_DESC_FLAG_FS | RTL818X_TX_DESC_FLAG_LS | (ieee80211_get_tx_rate(dev, info)->hw_value << 24) | diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 4c76bcb9a879..ae413a2cbee7 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -143,11 +143,7 @@ struct xenvif { char rx_irq_name[IFNAMSIZ+4]; /* DEVNAME-rx */ struct xen_netif_rx_back_ring rx; struct sk_buff_head rx_queue; - bool rx_queue_stopped; - /* Set when the RX interrupt is triggered by the frontend. - * The worker thread may need to wake the queue. - */ - bool rx_event; + RING_IDX rx_last_skb_slots; /* This array is allocated seperately as it is large */ struct gnttab_copy *grant_copy_op; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index b9de31ea7fc4..7669d49a67e2 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -100,7 +100,6 @@ static irqreturn_t xenvif_rx_interrupt(int irq, void *dev_id) { struct xenvif *vif = dev_id; - vif->rx_event = true; xenvif_kick_thread(vif); return IRQ_HANDLED; diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 6b62c3eb8e18..e5284bca2d90 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -476,7 +476,6 @@ static void xenvif_rx_action(struct xenvif *vif) unsigned long offset; struct skb_cb_overlay *sco; bool need_to_notify = false; - bool ring_full = false; struct netrx_pending_operations npo = { .copy = vif->grant_copy_op, @@ -486,7 +485,7 @@ static void xenvif_rx_action(struct xenvif *vif) skb_queue_head_init(&rxq); while ((skb = skb_dequeue(&vif->rx_queue)) != NULL) { - int max_slots_needed; + RING_IDX max_slots_needed; int i; /* We need a cheap worse case estimate for the number of @@ -509,9 +508,10 @@ static void xenvif_rx_action(struct xenvif *vif) if (!xenvif_rx_ring_slots_available(vif, max_slots_needed)) { skb_queue_head(&vif->rx_queue, skb); need_to_notify = true; - ring_full = true; + vif->rx_last_skb_slots = max_slots_needed; break; - } + } else + vif->rx_last_skb_slots = 0; sco = (struct skb_cb_overlay *)skb->cb; sco->meta_slots_used = xenvif_gop_skb(skb, &npo); @@ -522,8 +522,6 @@ static void xenvif_rx_action(struct xenvif *vif) BUG_ON(npo.meta_prod > ARRAY_SIZE(vif->meta)); - vif->rx_queue_stopped = !npo.copy_prod && ring_full; - if (!npo.copy_prod) goto done; @@ -1473,8 +1471,8 @@ static struct xen_netif_rx_response *make_rx_response(struct xenvif *vif, static inline int rx_work_todo(struct xenvif *vif) { - return (!skb_queue_empty(&vif->rx_queue) && !vif->rx_queue_stopped) || - vif->rx_event; + return !skb_queue_empty(&vif->rx_queue) && + xenvif_rx_ring_slots_available(vif, vif->rx_last_skb_slots); } static inline int tx_work_todo(struct xenvif *vif) @@ -1560,8 +1558,6 @@ int xenvif_kthread(void *data) if (!skb_queue_empty(&vif->rx_queue)) xenvif_rx_action(vif); - vif->rx_event = false; - if (skb_queue_empty(&vif->rx_queue) && netif_queue_stopped(vif->dev)) xenvif_start_queue(vif); diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index ff04d4f95baa..f9daa9e183f2 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1832,7 +1832,6 @@ static void netback_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateInitWait: @@ -1847,6 +1846,10 @@ static void netback_changed(struct xenbus_device *dev, netdev_notify_peers(netdev); break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/of/address.c b/drivers/of/address.c index d3dd41c840f1..1a54f1ffaadb 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -99,11 +99,12 @@ static unsigned int of_bus_default_get_flags(const __be32 *addr) static int of_bus_pci_match(struct device_node *np) { /* + * "pciex" is PCI Express * "vci" is for the /chaos bridge on 1st-gen PCI powermacs * "ht" is hypertransport */ - return !strcmp(np->type, "pci") || !strcmp(np->type, "vci") || - !strcmp(np->type, "ht"); + return !strcmp(np->type, "pci") || !strcmp(np->type, "pciex") || + !strcmp(np->type, "vci") || !strcmp(np->type, "ht"); } static void of_bus_pci_count_cells(struct device_node *np, diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c index 563174891c90..041f9b638d28 100644 --- a/drivers/power/ds2782_battery.c +++ b/drivers/power/ds2782_battery.c @@ -192,7 +192,7 @@ static int ds2786_get_voltage(struct ds278x_info *info, int *voltage_uV) /* * Voltage is measured in units of 1.22mV. The voltage is stored as - * a 10-bit number plus sign, in the upper bits of a 16-bit register + * a 12-bit number plus sign, in the upper bits of a 16-bit register */ err = ds278x_read_reg16(info, DS278x_REG_VOLT_MSB, &raw); if (err) diff --git a/drivers/power/isp1704_charger.c b/drivers/power/isp1704_charger.c index 80edb7d8cb54..0b4cf9d63291 100644 --- a/drivers/power/isp1704_charger.c +++ b/drivers/power/isp1704_charger.c @@ -444,8 +444,6 @@ static int isp1704_charger_probe(struct platform_device *pdev) ret = PTR_ERR(isp->phy); goto fail0; } - if (!isp->phy) - goto fail0; isp->dev = &pdev->dev; platform_set_drvdata(pdev, isp); diff --git a/drivers/power/max17040_battery.c b/drivers/power/max17040_battery.c index c7ff6d67f158..0fbac861080d 100644 --- a/drivers/power/max17040_battery.c +++ b/drivers/power/max17040_battery.c @@ -148,7 +148,7 @@ static void max17040_get_online(struct i2c_client *client) { struct max17040_chip *chip = i2c_get_clientdata(client); - if (chip->pdata->battery_online) + if (chip->pdata && chip->pdata->battery_online) chip->online = chip->pdata->battery_online(); else chip->online = 1; @@ -158,7 +158,8 @@ static void max17040_get_status(struct i2c_client *client) { struct max17040_chip *chip = i2c_get_clientdata(client); - if (!chip->pdata->charger_online || !chip->pdata->charger_enable) { + if (!chip->pdata || !chip->pdata->charger_online + || !chip->pdata->charger_enable) { chip->status = POWER_SUPPLY_STATUS_UNKNOWN; return; } diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index 7f340206d329..b14ebdad5dd2 100644 --- a/drivers/regulator/da9055-regulator.c +++ b/drivers/regulator/da9055-regulator.c @@ -576,7 +576,9 @@ static int da9055_regulator_probe(struct platform_device *pdev) /* Only LDO 5 and 6 has got the over current interrupt */ if (pdev->id == DA9055_ID_LDO5 || pdev->id == DA9055_ID_LDO6) { irq = platform_get_irq_byname(pdev, "REGULATOR"); - irq = regmap_irq_get_virq(da9055->irq_data, irq); + if (irq < 0) + return irq; + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, da9055_ldo5_6_oc_irq, IRQF_TRIGGER_HIGH | diff --git a/drivers/regulator/max14577.c b/drivers/regulator/max14577.c index b1078ba3f393..186df8785a91 100644 --- a/drivers/regulator/max14577.c +++ b/drivers/regulator/max14577.c @@ -168,10 +168,11 @@ static int max14577_regulator_dt_parse_pdata(struct platform_device *pdev) MAX14577_REG_MAX); if (ret < 0) { dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", ret); - return ret; } - return 0; + of_node_put(np); + + return ret; } static inline struct regulator_init_data *match_init_data(int index) diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 88e35d85d205..8ee88c4ebd83 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -342,8 +342,9 @@ static int cio_check_config(struct subchannel *sch, struct schib *schib) */ int cio_commit_config(struct subchannel *sch) { - struct schib schib; int ccode, retry, ret = 0; + struct schib schib; + struct irb irb; if (stsch_err(sch->schid, &schib) || !css_sch_is_valid(&schib)) return -ENODEV; @@ -367,7 +368,10 @@ int cio_commit_config(struct subchannel *sch) ret = -EAGAIN; break; case 1: /* status pending */ - return -EBUSY; + ret = -EBUSY; + if (tsch(sch->schid, &irb)) + return ret; + break; case 2: /* busy */ udelay(100); /* allow for recovery */ ret = -EBUSY; @@ -403,7 +407,6 @@ EXPORT_SYMBOL_GPL(cio_update_schib); */ int cio_enable_subchannel(struct subchannel *sch, u32 intparm) { - int retry; int ret; CIO_TRACE_EVENT(2, "ensch"); @@ -418,20 +421,14 @@ int cio_enable_subchannel(struct subchannel *sch, u32 intparm) sch->config.isc = sch->isc; sch->config.intparm = intparm; - for (retry = 0; retry < 3; retry++) { + ret = cio_commit_config(sch); + if (ret == -EIO) { + /* + * Got a program check in msch. Try without + * the concurrent sense bit the next time. + */ + sch->config.csense = 0; ret = cio_commit_config(sch); - if (ret == -EIO) { - /* - * Got a program check in msch. Try without - * the concurrent sense bit the next time. - */ - sch->config.csense = 0; - } else if (ret == -EBUSY) { - struct irb irb; - if (tsch(sch->schid, &irb) != 0) - break; - } else - break; } CIO_HEX_EVENT(2, &ret, sizeof(ret)); return ret; @@ -444,7 +441,6 @@ EXPORT_SYMBOL_GPL(cio_enable_subchannel); */ int cio_disable_subchannel(struct subchannel *sch) { - int retry; int ret; CIO_TRACE_EVENT(2, "dissch"); @@ -456,16 +452,8 @@ int cio_disable_subchannel(struct subchannel *sch) return -ENODEV; sch->config.ena = 0; + ret = cio_commit_config(sch); - for (retry = 0; retry < 3; retry++) { - ret = cio_commit_config(sch); - if (ret == -EBUSY) { - struct irb irb; - if (tsch(sch->schid, &irb) != 0) - break; - } else - break; - } CIO_HEX_EVENT(2, &ret, sizeof(ret)); return ret; } diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 8acaae18bd11..a563e4c00590 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -359,14 +359,12 @@ static inline int multicast_outbound(struct qdio_q *q) #define need_siga_sync_out_after_pci(q) \ (unlikely(q->irq_ptr->siga_flag.sync_out_after_pci)) -#define for_each_input_queue(irq_ptr, q, i) \ - for (i = 0, q = irq_ptr->input_qs[0]; \ - i < irq_ptr->nr_input_qs; \ - q = irq_ptr->input_qs[++i]) -#define for_each_output_queue(irq_ptr, q, i) \ - for (i = 0, q = irq_ptr->output_qs[0]; \ - i < irq_ptr->nr_output_qs; \ - q = irq_ptr->output_qs[++i]) +#define for_each_input_queue(irq_ptr, q, i) \ + for (i = 0; i < irq_ptr->nr_input_qs && \ + ({ q = irq_ptr->input_qs[i]; 1; }); i++) +#define for_each_output_queue(irq_ptr, q, i) \ + for (i = 0; i < irq_ptr->nr_output_qs && \ + ({ q = irq_ptr->output_qs[i]; 1; }); i++) #define prev_buf(bufnr) \ ((bufnr + QDIO_MAX_BUFFERS_MASK) & QDIO_MAX_BUFFERS_MASK) diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index c883a085c059..77466c4faabb 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -996,7 +996,7 @@ static void qdio_int_handler_pci(struct qdio_irq *irq_ptr) } } - if (!pci_out_supported(q)) + if (!(irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED)) return; for_each_output_queue(irq_ptr, q, i) { diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index ba9310bc9acb..581ee2a8856b 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -376,10 +376,10 @@ config SPI_PXA2XX_PCI def_tristate SPI_PXA2XX && PCI config SPI_RSPI - tristate "Renesas RSPI controller" + tristate "Renesas RSPI/QSPI controller" depends on (SUPERH && SH_DMAE_BASE) || ARCH_SHMOBILE help - SPI driver for Renesas RSPI blocks. + SPI driver for Renesas RSPI and QSPI blocks. config SPI_S3C24XX tristate "Samsung S3C24XX series SPI" diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c index 50406306bc20..bae97ffec4b9 100644 --- a/drivers/spi/spi-nuc900.c +++ b/drivers/spi/spi-nuc900.c @@ -361,6 +361,8 @@ static int nuc900_spi_probe(struct platform_device *pdev) init_completion(&hw->done); master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; + if (hw->pdata->lsb) + master->mode_bits |= SPI_LSB_FIRST; master->num_chipselect = hw->pdata->num_cs; master->bus_num = hw->pdata->bus_num; hw->bitbang.master = hw->master; diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 23756b0f9036..d0b28bba38be 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -755,9 +755,7 @@ static void spi_pump_messages(struct kthread_work *work) ret = master->transfer_one_message(master, master->cur_msg); if (ret) { dev_err(&master->dev, - "failed to transfer one message from queue: %d\n", ret); - master->cur_msg->status = ret; - spi_finalize_current_message(master); + "failed to transfer one message from queue\n"); return; } } diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index d75c811bfa56..45e00afa7f2d 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -16,7 +16,6 @@ xen-pad-$(CONFIG_X86) += xen-acpi-pad.o dom0-$(CONFIG_X86) += pcpu.o obj-$(CONFIG_XEN_DOM0) += $(dom0-y) obj-$(CONFIG_BLOCK) += biomerge.o -obj-$(CONFIG_XEN_XENCOMM) += xencomm.o obj-$(CONFIG_XEN_BALLOON) += xen-balloon.o obj-$(CONFIG_XEN_SELFBALLOONING) += xen-selfballoon.o obj-$(CONFIG_XEN_DEV_EVTCHN) += xen-evtchn.o diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 4672e003c0ad..f4a9e3311297 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -862,6 +862,8 @@ int bind_evtchn_to_irq(unsigned int evtchn) irq = ret; goto out; } + /* New interdomain events are bound to VCPU 0. */ + bind_evtchn_to_cpu(evtchn, 0); } else { struct irq_info *info = info_for_irq(irq); WARN_ON(info == NULL || info->type != IRQT_EVTCHN); diff --git a/drivers/xen/xencomm.c b/drivers/xen/xencomm.c deleted file mode 100644 index 4793fc594549..000000000000 --- a/drivers/xen/xencomm.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Copyright (C) IBM Corp. 2006 - * - * Authors: Hollis Blanchard <hollisb@us.ibm.com> - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/mm.h> -#include <linux/slab.h> -#include <asm/page.h> -#include <xen/xencomm.h> -#include <xen/interface/xen.h> -#include <asm/xen/xencomm.h> /* for xencomm_is_phys_contiguous() */ - -static int xencomm_init(struct xencomm_desc *desc, - void *buffer, unsigned long bytes) -{ - unsigned long recorded = 0; - int i = 0; - - while ((recorded < bytes) && (i < desc->nr_addrs)) { - unsigned long vaddr = (unsigned long)buffer + recorded; - unsigned long paddr; - int offset; - int chunksz; - - offset = vaddr % PAGE_SIZE; /* handle partial pages */ - chunksz = min(PAGE_SIZE - offset, bytes - recorded); - - paddr = xencomm_vtop(vaddr); - if (paddr == ~0UL) { - printk(KERN_DEBUG "%s: couldn't translate vaddr %lx\n", - __func__, vaddr); - return -EINVAL; - } - - desc->address[i++] = paddr; - recorded += chunksz; - } - - if (recorded < bytes) { - printk(KERN_DEBUG - "%s: could only translate %ld of %ld bytes\n", - __func__, recorded, bytes); - return -ENOSPC; - } - - /* mark remaining addresses invalid (just for safety) */ - while (i < desc->nr_addrs) - desc->address[i++] = XENCOMM_INVALID; - - desc->magic = XENCOMM_MAGIC; - - return 0; -} - -static struct xencomm_desc *xencomm_alloc(gfp_t gfp_mask, - void *buffer, unsigned long bytes) -{ - struct xencomm_desc *desc; - unsigned long buffer_ulong = (unsigned long)buffer; - unsigned long start = buffer_ulong & PAGE_MASK; - unsigned long end = (buffer_ulong + bytes) | ~PAGE_MASK; - unsigned long nr_addrs = (end - start + 1) >> PAGE_SHIFT; - unsigned long size = sizeof(*desc) + - sizeof(desc->address[0]) * nr_addrs; - - /* - * slab allocator returns at least sizeof(void*) aligned pointer. - * When sizeof(*desc) > sizeof(void*), struct xencomm_desc might - * cross page boundary. - */ - if (sizeof(*desc) > sizeof(void *)) { - unsigned long order = get_order(size); - desc = (struct xencomm_desc *)__get_free_pages(gfp_mask, - order); - if (desc == NULL) - return NULL; - - desc->nr_addrs = - ((PAGE_SIZE << order) - sizeof(struct xencomm_desc)) / - sizeof(*desc->address); - } else { - desc = kmalloc(size, gfp_mask); - if (desc == NULL) - return NULL; - - desc->nr_addrs = nr_addrs; - } - return desc; -} - -void xencomm_free(struct xencomm_handle *desc) -{ - if (desc && !((ulong)desc & XENCOMM_INLINE_FLAG)) { - struct xencomm_desc *desc__ = (struct xencomm_desc *)desc; - if (sizeof(*desc__) > sizeof(void *)) { - unsigned long size = sizeof(*desc__) + - sizeof(desc__->address[0]) * desc__->nr_addrs; - unsigned long order = get_order(size); - free_pages((unsigned long)__va(desc), order); - } else - kfree(__va(desc)); - } -} - -static int xencomm_create(void *buffer, unsigned long bytes, - struct xencomm_desc **ret, gfp_t gfp_mask) -{ - struct xencomm_desc *desc; - int rc; - - pr_debug("%s: %p[%ld]\n", __func__, buffer, bytes); - - if (bytes == 0) { - /* don't create a descriptor; Xen recognizes NULL. */ - BUG_ON(buffer != NULL); - *ret = NULL; - return 0; - } - - BUG_ON(buffer == NULL); /* 'bytes' is non-zero */ - - desc = xencomm_alloc(gfp_mask, buffer, bytes); - if (!desc) { - printk(KERN_DEBUG "%s failure\n", "xencomm_alloc"); - return -ENOMEM; - } - - rc = xencomm_init(desc, buffer, bytes); - if (rc) { - printk(KERN_DEBUG "%s failure: %d\n", "xencomm_init", rc); - xencomm_free((struct xencomm_handle *)__pa(desc)); - return rc; - } - - *ret = desc; - return 0; -} - -static struct xencomm_handle *xencomm_create_inline(void *ptr) -{ - unsigned long paddr; - - BUG_ON(!xencomm_is_phys_contiguous((unsigned long)ptr)); - - paddr = (unsigned long)xencomm_pa(ptr); - BUG_ON(paddr & XENCOMM_INLINE_FLAG); - return (struct xencomm_handle *)(paddr | XENCOMM_INLINE_FLAG); -} - -/* "mini" routine, for stack-based communications: */ -static int xencomm_create_mini(void *buffer, - unsigned long bytes, struct xencomm_mini *xc_desc, - struct xencomm_desc **ret) -{ - int rc = 0; - struct xencomm_desc *desc; - BUG_ON(((unsigned long)xc_desc) % sizeof(*xc_desc) != 0); - - desc = (void *)xc_desc; - - desc->nr_addrs = XENCOMM_MINI_ADDRS; - - rc = xencomm_init(desc, buffer, bytes); - if (!rc) - *ret = desc; - - return rc; -} - -struct xencomm_handle *xencomm_map(void *ptr, unsigned long bytes) -{ - int rc; - struct xencomm_desc *desc; - - if (xencomm_is_phys_contiguous((unsigned long)ptr)) - return xencomm_create_inline(ptr); - - rc = xencomm_create(ptr, bytes, &desc, GFP_KERNEL); - - if (rc || desc == NULL) - return NULL; - - return xencomm_pa(desc); -} - -struct xencomm_handle *__xencomm_map_no_alloc(void *ptr, unsigned long bytes, - struct xencomm_mini *xc_desc) -{ - int rc; - struct xencomm_desc *desc = NULL; - - if (xencomm_is_phys_contiguous((unsigned long)ptr)) - return xencomm_create_inline(ptr); - - rc = xencomm_create_mini(ptr, bytes, xc_desc, - &desc); - - if (rc) - return NULL; - - return xencomm_pa(desc); -} |