diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-28 10:08:46 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-28 10:08:46 -0700 |
commit | 8ed575904373d7aaab7f15a8db2edc317a44df43 (patch) | |
tree | 3b2e92a396a1bbec8e1fb499f25e8aed93ab5692 /drivers | |
parent | 27d1097d39509494706eaa2620ef3b1e780a3224 (diff) | |
parent | 210cc679faf0e1cabda9fc5d1279644f5e52aecb (diff) | |
download | linux-8ed575904373d7aaab7f15a8db2edc317a44df43.tar.bz2 |
Merge branch 'forlinus' of git://parisc-linux.org/home/kyle/git/parisc-2.6
Diffstat (limited to 'drivers')
29 files changed, 536 insertions, 401 deletions
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c index ef78bffed5e7..0a90962c38e7 100644 --- a/drivers/input/keyboard/hil_kbd.c +++ b/drivers/input/keyboard/hil_kbd.c @@ -204,7 +204,7 @@ static irqreturn_t hil_kbd_interrupt(struct serio *serio, hil_packet packet; int idx; - kbd = (struct hil_kbd *)serio->private; + kbd = serio_get_drvdata(serio); if (kbd == NULL) { BUG(); return IRQ_HANDLED; @@ -234,7 +234,7 @@ static void hil_kbd_disconnect(struct serio *serio) { struct hil_kbd *kbd; - kbd = (struct hil_kbd *)serio->private; + kbd = serio_get_drvdata(serio); if (kbd == NULL) { BUG(); return; @@ -245,20 +245,20 @@ static void hil_kbd_disconnect(struct serio *serio) kfree(kbd); } -static void hil_kbd_connect(struct serio *serio, struct serio_driver *drv) +static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv) { struct hil_kbd *kbd; uint8_t did, *idd; int i; - if (serio->type != (SERIO_HIL_MLC | SERIO_HIL)) return; - - if (!(kbd = kmalloc(sizeof(struct hil_kbd), GFP_KERNEL))) return; + kbd = kmalloc(sizeof(*kbd), GFP_KERNEL); + if (!kbd) + return -ENOMEM; memset(kbd, 0, sizeof(struct hil_kbd)); if (serio_open(serio, drv)) goto bail0; - serio->private = kbd; + serio_set_drvdata(serio, kbd); kbd->serio = serio; kbd->dev.private = kbd; @@ -342,19 +342,31 @@ static void hil_kbd_connect(struct serio *serio, struct serio_driver *drv) down(&(kbd->sem)); up(&(kbd->sem)); - return; + return 0; bail1: serio_close(serio); bail0: kfree(kbd); + serio_set_drvdata(serio, NULL); + return -EIO; } +static struct serio_device_id hil_kbd_ids[] = { + { + .type = SERIO_HIL_MLC, + .proto = SERIO_HIL, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; struct serio_driver hil_kbd_serio_drv = { .driver = { .name = "hil_kbd", }, .description = "HP HIL keyboard driver", + .id_table = hil_kbd_ids, .connect = hil_kbd_connect, .disconnect = hil_kbd_disconnect, .interrupt = hil_kbd_interrupt diff --git a/drivers/input/keyboard/hilkbd.c b/drivers/input/keyboard/hilkbd.c index eecb77db0847..e95bc052e32a 100644 --- a/drivers/input/keyboard/hilkbd.c +++ b/drivers/input/keyboard/hilkbd.c @@ -22,7 +22,7 @@ #include <linux/errno.h> #include <linux/input.h> #include <linux/init.h> -#include <linux/irq.h> +#include <linux/interrupt.h> #include <linux/hil.h> #include <linux/spinlock.h> @@ -278,11 +278,11 @@ static int __init hil_init_chip(struct parisc_device *dev) { if (!dev->irq) { - printk(KERN_WARNING "HIL: IRQ not found for HIL bus at 0x%08lx\n", dev->hpa); + printk(KERN_WARNING "HIL: IRQ not found for HIL bus at 0x%08lx\n", dev->hpa.start); return -ENODEV; } - hil_base = dev->hpa; + hil_base = dev->hpa.start; hil_irq = dev->irq; hil_dev.dev_id = dev; @@ -299,7 +299,7 @@ static struct parisc_device_id hil_tbl[] = { MODULE_DEVICE_TABLE(parisc, hil_tbl); static struct parisc_driver hil_driver = { - .name = "HIL", + .name = "hil", .id_table = hil_tbl, .probe = hil_init_chip, }; diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c index bc22849c6c79..c2bf2ed07dc6 100644 --- a/drivers/input/mouse/hil_ptr.c +++ b/drivers/input/mouse/hil_ptr.c @@ -196,7 +196,7 @@ static irqreturn_t hil_ptr_interrupt(struct serio *serio, hil_packet packet; int idx; - ptr = (struct hil_ptr *)serio->private; + ptr = serio_get_drvdata(serio); if (ptr == NULL) { BUG(); return IRQ_HANDLED; @@ -227,7 +227,7 @@ static void hil_ptr_disconnect(struct serio *serio) { struct hil_ptr *ptr; - ptr = (struct hil_ptr *)serio->private; + ptr = serio_get_drvdata(serio); if (ptr == NULL) { BUG(); return; @@ -238,21 +238,19 @@ static void hil_ptr_disconnect(struct serio *serio) kfree(ptr); } -static void hil_ptr_connect(struct serio *serio, struct serio_driver *driver) +static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) { struct hil_ptr *ptr; char *txt; unsigned int i, naxsets, btntype; uint8_t did, *idd; - if (serio->type != (SERIO_HIL_MLC | SERIO_HIL)) return; - - if (!(ptr = kmalloc(sizeof(struct hil_ptr), GFP_KERNEL))) return; + if (!(ptr = kmalloc(sizeof(struct hil_ptr), GFP_KERNEL))) return -ENOMEM; memset(ptr, 0, sizeof(struct hil_ptr)); if (serio_open(serio, driver)) goto bail0; - serio->private = ptr; + serio_set_drvdata(serio, ptr); ptr->serio = serio; ptr->dev.private = ptr; @@ -380,23 +378,34 @@ static void hil_ptr_connect(struct serio *serio, struct serio_driver *driver) (btntype == BTN_MOUSE) ? "HIL mouse":"HIL tablet or touchpad", did); - return; + return 0; bail1: serio_close(serio); bail0: kfree(ptr); - return; + serio_set_drvdata(serio, NULL); + return -ENODEV; } +static struct serio_device_id hil_ptr_ids[] = { + { + .type = SERIO_HIL_MLC, + .proto = SERIO_HIL, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; static struct serio_driver hil_ptr_serio_driver = { .driver = { .name = "hil_ptr", }, .description = "HP HIL mouse/tablet driver", - .connect = hil_ptr_connect, - .disconnect = hil_ptr_disconnect, - .interrupt = hil_ptr_interrupt + .id_table = hil_ptr_ids, + .connect = hil_ptr_connect, + .disconnect = hil_ptr_disconnect, + .interrupt = hil_ptr_interrupt }; static int __init hil_ptr_init(void) diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c index 897e4c12b642..a7b0de0f92b2 100644 --- a/drivers/input/serio/gscps2.c +++ b/drivers/input/serio/gscps2.c @@ -211,9 +211,6 @@ static void gscps2_reset(struct gscps2port *ps2port) writeb(0xff, addr+GSC_RESET); gscps2_flush(ps2port); spin_unlock_irqrestore(&ps2port->lock, flags); - - /* enable it */ - gscps2_enable(ps2port, ENABLE); } static LIST_HEAD(ps2port_list); @@ -307,6 +304,9 @@ static int gscps2_open(struct serio *port) gscps2_reset(ps2port); + /* enable it */ + gscps2_enable(ps2port, ENABLE); + gscps2_interrupt(0, NULL, NULL); return 0; @@ -331,7 +331,7 @@ static int __init gscps2_probe(struct parisc_device *dev) { struct gscps2port *ps2port; struct serio *serio; - unsigned long hpa = dev->hpa; + unsigned long hpa = dev->hpa.start; int ret; if (!dev->irq) @@ -370,8 +370,6 @@ static int __init gscps2_probe(struct parisc_device *dev) serio->port_data = ps2port; serio->dev.parent = &dev->dev; - list_add_tail(&ps2port->node, &ps2port_list); - ret = -EBUSY; if (request_irq(dev->irq, gscps2_interrupt, SA_SHIRQ, ps2port->port->name, ps2port)) goto fail_miserably; @@ -396,15 +394,16 @@ static int __init gscps2_probe(struct parisc_device *dev) serio_register_port(ps2port->port); + list_add_tail(&ps2port->node, &ps2port_list); + return 0; fail: free_irq(dev->irq, ps2port); fail_miserably: - list_del(&ps2port->node); iounmap(ps2port->addr); - release_mem_region(dev->hpa, GSC_STATUS + 4); + release_mem_region(dev->hpa.start, GSC_STATUS + 4); fail_nomem: kfree(ps2port); @@ -444,7 +443,7 @@ static struct parisc_device_id gscps2_device_tbl[] = { }; static struct parisc_driver parisc_ps2_driver = { - .name = "GSC PS2", + .name = "gsc_ps2", .id_table = gscps2_device_tbl, .probe = gscps2_probe, .remove = gscps2_remove, diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c index c243cb6fdfc4..5704204964a3 100644 --- a/drivers/input/serio/hil_mlc.c +++ b/drivers/input/serio/hil_mlc.c @@ -801,7 +801,8 @@ static int hil_mlc_serio_open(struct serio *serio) { struct hil_mlc_serio_map *map; struct hil_mlc *mlc; - if (serio->private != NULL) return -EBUSY; + if (serio_get_drvdata(serio) != NULL) + return -EBUSY; map = serio->port_data; if (map == NULL) { @@ -832,11 +833,18 @@ static void hil_mlc_serio_close(struct serio *serio) { return; } - serio->private = NULL; + serio_set_drvdata(serio, NULL); serio->drv = NULL; /* TODO wake up interruptable */ } +static struct serio_device_id hil_mlc_serio_id = { + .type = SERIO_HIL_MLC, + .proto = SERIO_HIL, + .extra = SERIO_ANY, + .id = SERIO_ANY, +}; + int hil_mlc_register(hil_mlc *mlc) { int i; unsigned long flags; @@ -867,7 +875,7 @@ int hil_mlc_register(hil_mlc *mlc) { mlc_serio = kmalloc(sizeof(*mlc_serio), GFP_KERNEL); mlc->serio[i] = mlc_serio; memset(mlc_serio, 0, sizeof(*mlc_serio)); - mlc_serio->type = SERIO_HIL | SERIO_HIL_MLC; + mlc_serio->id = hil_mlc_serio_id; mlc_serio->write = hil_mlc_serio_write; mlc_serio->open = hil_mlc_serio_open; mlc_serio->close = hil_mlc_serio_close; diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c index 7629452dd64b..a10348bb25e9 100644 --- a/drivers/input/serio/hp_sdc.c +++ b/drivers/input/serio/hp_sdc.c @@ -764,7 +764,7 @@ MODULE_DEVICE_TABLE(parisc, hp_sdc_tbl); static int __init hp_sdc_init_hppa(struct parisc_device *d); static struct parisc_driver hp_sdc_driver = { - .name = "HP SDC", + .name = "hp_sdc", .id_table = hp_sdc_tbl, .probe = hp_sdc_init_hppa, }; @@ -875,9 +875,9 @@ static int __init hp_sdc_init_hppa(struct parisc_device *d) hp_sdc.dev = d; hp_sdc.irq = d->irq; hp_sdc.nmi = d->aux_irq; - hp_sdc.base_io = d->hpa; - hp_sdc.data_io = d->hpa + 0x800; - hp_sdc.status_io = d->hpa + 0x801; + hp_sdc.base_io = d->hpa.start; + hp_sdc.data_io = d->hpa.start + 0x800; + hp_sdc.status_io = d->hpa.start + 0x801; return hp_sdc_init(); } diff --git a/drivers/net/lasi_82596.c b/drivers/net/lasi_82596.c index 41bad07ac1ac..f7b7238d8352 100644 --- a/drivers/net/lasi_82596.c +++ b/drivers/net/lasi_82596.c @@ -415,6 +415,10 @@ static int rx_ring_size = RX_RING_SIZE; static int ticks_limit = 100; static int max_cmd_backlog = TX_RING_SIZE-1; +#ifdef CONFIG_NET_POLL_CONTROLLER +static void i596_poll_controller(struct net_device *dev); +#endif + static inline void CA(struct net_device *dev) { @@ -636,11 +640,11 @@ static int init_i596_mem(struct net_device *dev) disable_irq(dev->irq); /* disable IRQs from LAN */ DEB(DEB_INIT, - printk("RESET 82596 port: %p (with IRQ %d disabled)\n", - (void*)(dev->base_addr + PA_I82596_RESET), + printk("RESET 82596 port: %lx (with IRQ %d disabled)\n", + (dev->base_addr + PA_I82596_RESET), dev->irq)); - gsc_writel(0, (void*)(dev->base_addr + PA_I82596_RESET)); /* Hard Reset */ + gsc_writel(0, (dev->base_addr + PA_I82596_RESET)); /* Hard Reset */ udelay(100); /* Wait 100us - seems to help */ /* change the scp address */ @@ -1209,6 +1213,9 @@ static int __devinit i82596_probe(struct net_device *dev, dev->set_multicast_list = set_multicast_list; dev->tx_timeout = i596_tx_timeout; dev->watchdog_timeo = TX_TIMEOUT; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = i596_poll_controller; +#endif dev->priv = (void *)(dev->mem_start); @@ -1242,6 +1249,14 @@ static int __devinit i82596_probe(struct net_device *dev, return 0; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void i596_poll_controller(struct net_device *dev) +{ + disable_irq(dev->irq); + i596_interrupt(dev->irq, dev, NULL); + enable_irq(dev->irq); +} +#endif static irqreturn_t i596_interrupt(int irq, void *dev_id, struct pt_regs *regs) { @@ -1528,17 +1543,18 @@ lan_init_chip(struct parisc_device *dev) if (!dev->irq) { printk(KERN_ERR "%s: IRQ not found for i82596 at 0x%lx\n", - __FILE__, dev->hpa); + __FILE__, dev->hpa.start); return -ENODEV; } - printk(KERN_INFO "Found i82596 at 0x%lx, IRQ %d\n", dev->hpa, dev->irq); + printk(KERN_INFO "Found i82596 at 0x%lx, IRQ %d\n", dev->hpa.start, + dev->irq); netdevice = alloc_etherdev(0); if (!netdevice) return -ENOMEM; - netdevice->base_addr = dev->hpa; + netdevice->base_addr = dev->hpa.start; netdevice->irq = dev->irq; retval = i82596_probe(netdevice, &dev->dev); @@ -1566,7 +1582,7 @@ static struct parisc_device_id lan_tbl[] = { MODULE_DEVICE_TABLE(parisc, lan_tbl); static struct parisc_driver lan_driver = { - .name = "Apricot", + .name = "lasi_82596", .id_table = lan_tbl, .probe = lan_init_chip, }; diff --git a/drivers/parisc/asp.c b/drivers/parisc/asp.c index 388609967133..558420bc9f88 100644 --- a/drivers/parisc/asp.c +++ b/drivers/parisc/asp.c @@ -77,12 +77,12 @@ asp_init_chip(struct parisc_device *dev) struct gsc_irq gsc_irq; int ret; - asp.version = gsc_readb(dev->hpa + ASP_VER_OFFSET) & 0xf; + asp.version = gsc_readb(dev->hpa.start + ASP_VER_OFFSET) & 0xf; asp.name = (asp.version == 1) ? "Asp" : "Cutoff"; asp.hpa = ASP_INTERRUPT_ADDR; printk(KERN_INFO "%s version %d at 0x%lx found.\n", - asp.name, asp.version, dev->hpa); + asp.name, asp.version, dev->hpa.start); /* the IRQ ASP should use */ ret = -EBUSY; @@ -126,7 +126,7 @@ static struct parisc_device_id asp_tbl[] = { }; struct parisc_driver asp_driver = { - .name = "Asp", + .name = "asp", .id_table = asp_tbl, .probe = asp_init_chip, }; diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index a3bd91a61827..9e0229f7e25f 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -100,9 +100,9 @@ #define DBG_RUN_SG(x...) #endif -#define CCIO_INLINE /* inline */ -#define WRITE_U32(value, addr) gsc_writel(value, (u32 *)(addr)) -#define READ_U32(addr) gsc_readl((u32 *)(addr)) +#define CCIO_INLINE inline +#define WRITE_U32(value, addr) __raw_writel(value, addr) +#define READ_U32(addr) __raw_readl(addr) #define U2_IOA_RUNWAY 0x580 #define U2_BC_GSC 0x501 @@ -115,28 +115,28 @@ struct ioa_registers { /* Runway Supervisory Set */ - volatile int32_t unused1[12]; - volatile uint32_t io_command; /* Offset 12 */ - volatile uint32_t io_status; /* Offset 13 */ - volatile uint32_t io_control; /* Offset 14 */ - volatile int32_t unused2[1]; + int32_t unused1[12]; + uint32_t io_command; /* Offset 12 */ + uint32_t io_status; /* Offset 13 */ + uint32_t io_control; /* Offset 14 */ + int32_t unused2[1]; /* Runway Auxiliary Register Set */ - volatile uint32_t io_err_resp; /* Offset 0 */ - volatile uint32_t io_err_info; /* Offset 1 */ - volatile uint32_t io_err_req; /* Offset 2 */ - volatile uint32_t io_err_resp_hi; /* Offset 3 */ - volatile uint32_t io_tlb_entry_m; /* Offset 4 */ - volatile uint32_t io_tlb_entry_l; /* Offset 5 */ - volatile uint32_t unused3[1]; - volatile uint32_t io_pdir_base; /* Offset 7 */ - volatile uint32_t io_io_low_hv; /* Offset 8 */ - volatile uint32_t io_io_high_hv; /* Offset 9 */ - volatile uint32_t unused4[1]; - volatile uint32_t io_chain_id_mask; /* Offset 11 */ - volatile uint32_t unused5[2]; - volatile uint32_t io_io_low; /* Offset 14 */ - volatile uint32_t io_io_high; /* Offset 15 */ + uint32_t io_err_resp; /* Offset 0 */ + uint32_t io_err_info; /* Offset 1 */ + uint32_t io_err_req; /* Offset 2 */ + uint32_t io_err_resp_hi; /* Offset 3 */ + uint32_t io_tlb_entry_m; /* Offset 4 */ + uint32_t io_tlb_entry_l; /* Offset 5 */ + uint32_t unused3[1]; + uint32_t io_pdir_base; /* Offset 7 */ + uint32_t io_io_low_hv; /* Offset 8 */ + uint32_t io_io_high_hv; /* Offset 9 */ + uint32_t unused4[1]; + uint32_t io_chain_id_mask; /* Offset 11 */ + uint32_t unused5[2]; + uint32_t io_io_low; /* Offset 14 */ + uint32_t io_io_high; /* Offset 15 */ }; /* @@ -226,7 +226,7 @@ struct ioa_registers { */ struct ioc { - struct ioa_registers *ioc_hpa; /* I/O MMU base address */ + struct ioa_registers __iomem *ioc_regs; /* I/O MMU base address */ u8 *res_map; /* resource map, bit == pdir entry */ u64 *pdir_base; /* physical base address */ u32 pdir_size; /* bytes, function of IOV Space size */ @@ -595,7 +595,7 @@ ccio_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba, ** Grab virtual index [0:11] ** Deposit virt_idx bits into I/O PDIR word */ - asm volatile ("lci 0(%%sr1, %1), %0" : "=r" (ci) : "r" (vba)); + asm volatile ("lci %%r0(%%sr1, %1), %0" : "=r" (ci) : "r" (vba)); asm volatile ("extru %1,19,12,%0" : "+r" (ci) : "r" (ci)); asm volatile ("depw %1,15,12,%0" : "+r" (pa) : "r" (ci)); @@ -613,7 +613,7 @@ ccio_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba, ** the real mode coherence index generation of U2, the PDIR entry ** must be flushed to memory to retain coherence." */ - asm volatile("fdc 0(%0)" : : "r" (pdir_ptr)); + asm volatile("fdc %%r0(%0)" : : "r" (pdir_ptr)); asm volatile("sync"); } @@ -636,7 +636,7 @@ ccio_clear_io_tlb(struct ioc *ioc, dma_addr_t iovp, size_t byte_cnt) byte_cnt += chain_size; while(byte_cnt > chain_size) { - WRITE_U32(CMD_TLB_PURGE | iovp, &ioc->ioc_hpa->io_command); + WRITE_U32(CMD_TLB_PURGE | iovp, &ioc->ioc_regs->io_command); iovp += chain_size; byte_cnt -= chain_size; } @@ -684,7 +684,7 @@ ccio_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) ** Hopefully someone figures out how to patch (NOP) the ** FDC/SYNC out at boot time. */ - asm volatile("fdc 0(%0)" : : "r" (pdir_ptr[7])); + asm volatile("fdc %%r0(%0)" : : "r" (pdir_ptr[7])); iovp += IOVP_SIZE; byte_cnt -= IOVP_SIZE; @@ -1251,7 +1251,7 @@ static struct parisc_device_id ccio_tbl[] = { static int ccio_probe(struct parisc_device *dev); static struct parisc_driver ccio_driver = { - .name = "U2:Uturn", + .name = "ccio", .id_table = ccio_tbl, .probe = ccio_probe, }; @@ -1314,14 +1314,13 @@ ccio_ioc_init(struct ioc *ioc) ioc->pdir_size = (iova_space_size / IOVP_SIZE) * sizeof(u64); - BUG_ON(ioc->pdir_size >= 4 * 1024 * 1024); /* max pdir size < 4MB */ + BUG_ON(ioc->pdir_size > 8 * 1024 * 1024); /* max pdir size <= 8MB */ /* Verify it's a power of two */ BUG_ON((1 << get_order(ioc->pdir_size)) != (ioc->pdir_size >> PAGE_SHIFT)); - DBG_INIT("%s() hpa 0x%lx mem %luMB IOV %dMB (%d bits)\n", - __FUNCTION__, - ioc->ioc_hpa, + DBG_INIT("%s() hpa 0x%p mem %luMB IOV %dMB (%d bits)\n", + __FUNCTION__, ioc->ioc_regs, (unsigned long) num_physpages >> (20 - PAGE_SHIFT), iova_space_size>>20, iov_order + PAGE_SHIFT); @@ -1329,13 +1328,12 @@ ccio_ioc_init(struct ioc *ioc) ioc->pdir_base = (u64 *)__get_free_pages(GFP_KERNEL, get_order(ioc->pdir_size)); if(NULL == ioc->pdir_base) { - panic("%s:%s() could not allocate I/O Page Table\n", __FILE__, - __FUNCTION__); + panic("%s() could not allocate I/O Page Table\n", __FUNCTION__); } memset(ioc->pdir_base, 0, ioc->pdir_size); BUG_ON((((unsigned long)ioc->pdir_base) & PAGE_MASK) != (unsigned long)ioc->pdir_base); - DBG_INIT(" base %p", ioc->pdir_base); + DBG_INIT(" base %p\n", ioc->pdir_base); /* resource map size dictated by pdir_size */ ioc->res_size = (ioc->pdir_size / sizeof(u64)) >> 3; @@ -1344,8 +1342,7 @@ ccio_ioc_init(struct ioc *ioc) ioc->res_map = (u8 *)__get_free_pages(GFP_KERNEL, get_order(ioc->res_size)); if(NULL == ioc->res_map) { - panic("%s:%s() could not allocate resource map\n", __FILE__, - __FUNCTION__); + panic("%s() could not allocate resource map\n", __FUNCTION__); } memset(ioc->res_map, 0, ioc->res_size); @@ -1366,44 +1363,58 @@ ccio_ioc_init(struct ioc *ioc) ** Initialize IOA hardware */ WRITE_U32(CCIO_CHAINID_MASK << ioc->chainid_shift, - &ioc->ioc_hpa->io_chain_id_mask); + &ioc->ioc_regs->io_chain_id_mask); WRITE_U32(virt_to_phys(ioc->pdir_base), - &ioc->ioc_hpa->io_pdir_base); + &ioc->ioc_regs->io_pdir_base); /* ** Go to "Virtual Mode" */ - WRITE_U32(IOA_NORMAL_MODE, &ioc->ioc_hpa->io_control); + WRITE_U32(IOA_NORMAL_MODE, &ioc->ioc_regs->io_control); /* ** Initialize all I/O TLB entries to 0 (Valid bit off). */ - WRITE_U32(0, &ioc->ioc_hpa->io_tlb_entry_m); - WRITE_U32(0, &ioc->ioc_hpa->io_tlb_entry_l); + WRITE_U32(0, &ioc->ioc_regs->io_tlb_entry_m); + WRITE_U32(0, &ioc->ioc_regs->io_tlb_entry_l); for(i = 1 << CCIO_CHAINID_SHIFT; i ; i--) { WRITE_U32((CMD_TLB_DIRECT_WRITE | (i << ioc->chainid_shift)), - &ioc->ioc_hpa->io_command); + &ioc->ioc_regs->io_command); } } static void -ccio_init_resource(struct resource *res, char *name, unsigned long ioaddr) +ccio_init_resource(struct resource *res, char *name, void __iomem *ioaddr) { int result; res->parent = NULL; res->flags = IORESOURCE_MEM; - res->start = (unsigned long)(signed) __raw_readl(ioaddr) << 16; - res->end = (unsigned long)(signed) (__raw_readl(ioaddr + 4) << 16) - 1; + /* + * bracing ((signed) ...) are required for 64bit kernel because + * we only want to sign extend the lower 16 bits of the register. + * The upper 16-bits of range registers are hardcoded to 0xffff. + */ + res->start = (unsigned long)((signed) READ_U32(ioaddr) << 16); + res->end = (unsigned long)((signed) (READ_U32(ioaddr + 4) << 16) - 1); res->name = name; + /* + * Check if this MMIO range is disable + */ if (res->end + 1 == res->start) return; - result = request_resource(&iomem_resource, res); + + /* On some platforms (e.g. K-Class), we have already registered + * resources for devices reported by firmware. Some are children + * of ccio. + * "insert" ccio ranges in the mmio hierarchy (/proc/iomem). + */ + result = insert_resource(&iomem_resource, res); if (result < 0) { - printk(KERN_ERR "%s: failed to claim CCIO bus address space (%08lx,%08lx)\n", - __FILE__, res->start, res->end); + printk(KERN_ERR "%s() failed to claim CCIO bus address space (%08lx,%08lx)\n", + __FUNCTION__, res->start, res->end); } } @@ -1414,9 +1425,8 @@ static void __init ccio_init_resources(struct ioc *ioc) sprintf(name, "GSC Bus [%d/]", ioc->hw_path); - ccio_init_resource(res, name, (unsigned long)&ioc->ioc_hpa->io_io_low); - ccio_init_resource(res + 1, name, - (unsigned long)&ioc->ioc_hpa->io_io_low_hv); + ccio_init_resource(res, name, &ioc->ioc_regs->io_io_low); + ccio_init_resource(res + 1, name, &ioc->ioc_regs->io_io_low_hv); } static int new_ioc_area(struct resource *res, unsigned long size, @@ -1427,7 +1437,12 @@ static int new_ioc_area(struct resource *res, unsigned long size, res->start = (max - size + 1) &~ (align - 1); res->end = res->start + size; - if (!request_resource(&iomem_resource, res)) + + /* We might be trying to expand the MMIO range to include + * a child device that has already registered it's MMIO space. + * Use "insert" instead of request_resource(). + */ + if (!insert_resource(&iomem_resource, res)) return 0; return new_ioc_area(res, size, min, max - size, align); @@ -1486,15 +1501,15 @@ int ccio_allocate_resource(const struct parisc_device *dev, if (!expand_ioc_area(parent, size, min, max, align)) { __raw_writel(((parent->start)>>16) | 0xffff0000, - (unsigned long)&(ioc->ioc_hpa->io_io_low)); + &ioc->ioc_regs->io_io_low); __raw_writel(((parent->end)>>16) | 0xffff0000, - (unsigned long)&(ioc->ioc_hpa->io_io_high)); + &ioc->ioc_regs->io_io_high); } else if (!expand_ioc_area(parent + 1, size, min, max, align)) { parent++; __raw_writel(((parent->start)>>16) | 0xffff0000, - (unsigned long)&(ioc->ioc_hpa->io_io_low_hv)); + &ioc->ioc_regs->io_io_low_hv); __raw_writel(((parent->end)>>16) | 0xffff0000, - (unsigned long)&(ioc->ioc_hpa->io_io_high_hv)); + &ioc->ioc_regs->io_io_high_hv); } else { return -EBUSY; } @@ -1521,7 +1536,12 @@ int ccio_request_resource(const struct parisc_device *dev, return -EBUSY; } - return request_resource(parent, res); + /* "transparent" bus bridges need to register MMIO resources + * firmware assigned them. e.g. children of hppb.c (e.g. K-class) + * registered their resources in the PDC "bus walk" (See + * arch/parisc/kernel/inventory.c). + */ + return insert_resource(parent, res); } /** @@ -1546,7 +1566,7 @@ static int ccio_probe(struct parisc_device *dev) ioc->name = dev->id.hversion == U2_IOA_RUNWAY ? "U2" : "UTurn"; - printk(KERN_INFO "Found %s at 0x%lx\n", ioc->name, dev->hpa); + printk(KERN_INFO "Found %s at 0x%lx\n", ioc->name, dev->hpa.start); for (i = 0; i < ioc_count; i++) { ioc_p = &(*ioc_p)->next; @@ -1554,7 +1574,7 @@ static int ccio_probe(struct parisc_device *dev) *ioc_p = ioc; ioc->hw_path = dev->hw_path; - ioc->ioc_hpa = (struct ioa_registers *)dev->hpa; + ioc->ioc_regs = ioremap(dev->hpa.start, 4096); ccio_ioc_init(ioc); ccio_init_resources(ioc); hppa_dma_ops = &ccio_ops; diff --git a/drivers/parisc/ccio-rm-dma.c b/drivers/parisc/ccio-rm-dma.c index 57e6385976e2..356b8357bccc 100644 --- a/drivers/parisc/ccio-rm-dma.c +++ b/drivers/parisc/ccio-rm-dma.c @@ -167,7 +167,7 @@ ccio_probe(struct parisc_device *dev) { printk(KERN_INFO "%s found %s at 0x%lx\n", MODULE_NAME, dev->id.hversion == U2_BC_GSC ? "U2" : "UTurn", - dev->hpa); + dev->hpa.start); /* ** FIXME - should check U2 registers to verify it's really running diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index 2f2dbef2c3b7..5ab75334c579 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -178,6 +178,8 @@ static int dino_cfg_read(struct pci_bus *bus, unsigned int devfn, int where, void __iomem *base_addr = d->hba.base_addr; unsigned long flags; + DBG("%s: %p, %d, %d, %d\n", __FUNCTION__, base_addr, devfn, where, + size); spin_lock_irqsave(&d->dinosaur_pen, flags); /* tell HW which CFG address */ @@ -211,6 +213,8 @@ static int dino_cfg_write(struct pci_bus *bus, unsigned int devfn, int where, void __iomem *base_addr = d->hba.base_addr; unsigned long flags; + DBG("%s: %p, %d, %d, %d\n", __FUNCTION__, base_addr, devfn, where, + size); spin_lock_irqsave(&d->dinosaur_pen, flags); /* avoid address stepping feature */ @@ -295,7 +299,7 @@ static void dino_disable_irq(unsigned int irq) struct dino_device *dino_dev = irq_desc[irq].handler_data; int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, irq); - DBG(KERN_WARNING "%s(0x%p, %d)\n", __FUNCTION__, irq_dev, irq); + DBG(KERN_WARNING "%s(0x%p, %d)\n", __FUNCTION__, dino_dev, irq); /* Clear the matching bit in the IMR register */ dino_dev->imr &= ~(DINO_MASK_IRQ(local_irq)); @@ -308,7 +312,7 @@ static void dino_enable_irq(unsigned int irq) int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, irq); u32 tmp; - DBG(KERN_WARNING "%s(0x%p, %d)\n", __FUNCTION__, irq_dev, irq); + DBG(KERN_WARNING "%s(0x%p, %d)\n", __FUNCTION__, dino_dev, irq); /* ** clear pending IRQ bits @@ -490,7 +494,7 @@ dino_card_setup(struct pci_bus *bus, void __iomem *base_addr) if (res->start == F_EXTEND(0xf0000000UL | (i * _8MB))) break; } - DBG("DINO GSC WRITE i=%d, start=%lx, dino addr = %lx\n", + DBG("DINO GSC WRITE i=%d, start=%lx, dino addr = %p\n", i, res->start, base_addr + DINO_IO_ADDR_EN); __raw_writel(1 << i, base_addr + DINO_IO_ADDR_EN); } @@ -683,6 +687,14 @@ static void __init dino_card_init(struct dino_device *dino_dev) { u32 brdg_feat = 0x00784e05; + unsigned long status; + + status = __raw_readl(dino_dev->hba.base_addr+DINO_IO_STATUS); + if (status & 0x0000ff80) { + __raw_writel(0x00000005, + dino_dev->hba.base_addr+DINO_IO_COMMAND); + udelay(1); + } __raw_writel(0x00000000, dino_dev->hba.base_addr+DINO_GMASK); __raw_writel(0x00000001, dino_dev->hba.base_addr+DINO_IO_FBB_EN); @@ -902,15 +914,15 @@ void ccio_cujo20_fixup(struct parisc_device *dev, u32 iovp); ** If so, initialize the chip appropriately (card-mode vs bridge mode). ** Much of the initialization is common though. */ -static int __init -dino_driver_callback(struct parisc_device *dev) +static int __init dino_probe(struct parisc_device *dev) { struct dino_device *dino_dev; // Dino specific control struct const char *version = "unknown"; char *name; int is_cujo = 0; struct pci_bus *bus; - + unsigned long hpa = dev->hpa.start; + name = "Dino"; if (is_card_dino(&dev->id)) { version = "3.x (card mode)"; @@ -928,11 +940,11 @@ dino_driver_callback(struct parisc_device *dev) } } - printk("%s version %s found at 0x%lx\n", name, version, dev->hpa); + printk("%s version %s found at 0x%lx\n", name, version, hpa); - if (!request_mem_region(dev->hpa, PAGE_SIZE, name)) { + if (!request_mem_region(hpa, PAGE_SIZE, name)) { printk(KERN_ERR "DINO: Hey! Someone took my MMIO space (0x%ld)!\n", - dev->hpa); + hpa); return 1; } @@ -940,12 +952,12 @@ dino_driver_callback(struct parisc_device *dev) if (is_cujo && dev->id.hversion_rev == 1) { #ifdef CONFIG_IOMMU_CCIO printk(KERN_WARNING "Enabling Cujo 2.0 bug workaround\n"); - if (dev->hpa == (unsigned long)CUJO_RAVEN_ADDR) { + if (hpa == (unsigned long)CUJO_RAVEN_ADDR) { ccio_cujo20_fixup(dev, CUJO_RAVEN_BADPAGE); - } else if (dev->hpa == (unsigned long)CUJO_FIREHAWK_ADDR) { + } else if (hpa == (unsigned long)CUJO_FIREHAWK_ADDR) { ccio_cujo20_fixup(dev, CUJO_FIREHAWK_BADPAGE); } else { - printk("Don't recognise Cujo at address 0x%lx, not enabling workaround\n", dev->hpa); + printk("Don't recognise Cujo at address 0x%lx, not enabling workaround\n", hpa); } #endif } else if (!is_cujo && !is_card_dino(&dev->id) && @@ -970,7 +982,7 @@ dino_driver_callback(struct parisc_device *dev) memset(dino_dev, 0, sizeof(struct dino_device)); dino_dev->hba.dev = dev; - dino_dev->hba.base_addr = ioremap(dev->hpa, 4096); /* faster access */ + dino_dev->hba.base_addr = ioremap(hpa, 4096); dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */ spin_lock_init(&dino_dev->dinosaur_pen); dino_dev->hba.iommu = ccio_get_iommu(dev); @@ -1027,9 +1039,9 @@ static struct parisc_device_id dino_tbl[] = { }; static struct parisc_driver dino_driver = { - .name = "Dino", + .name = "dino", .id_table = dino_tbl, - .probe = dino_driver_callback, + .probe = dino_probe, }; /* diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c index 043d47aea75b..6362bf99eff6 100644 --- a/drivers/parisc/eisa.c +++ b/drivers/parisc/eisa.c @@ -315,7 +315,7 @@ static int __devinit eisa_probe(struct parisc_device *dev) char *name = is_mongoose(dev) ? "Mongoose" : "Wax"; printk(KERN_INFO "%s EISA Adapter found at 0x%08lx\n", - name, dev->hpa); + name, dev->hpa.start); eisa_dev.hba.dev = dev; eisa_dev.hba.iommu = ccio_get_iommu(dev); @@ -397,7 +397,7 @@ static struct parisc_device_id eisa_tbl[] = { MODULE_DEVICE_TABLE(parisc, eisa_tbl); static struct parisc_driver eisa_driver = { - .name = "EISA Bus Adapter", + .name = "eisa_ba", .id_table = eisa_tbl, .probe = eisa_probe, }; diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c index af5e02526a18..16d40f95978d 100644 --- a/drivers/parisc/gsc.c +++ b/drivers/parisc/gsc.c @@ -183,12 +183,20 @@ void gsc_asic_assign_irq(struct gsc_asic *asic, int local_irq, int *irqp) *irqp = irq; } +static struct device *next_device(struct klist_iter *i) +{ + struct klist_node * n = klist_next(i); + return n ? container_of(n, struct device, knode_parent) : NULL; +} + void gsc_fixup_irqs(struct parisc_device *parent, void *ctrl, void (*choose_irq)(struct parisc_device *, void *)) { struct device *dev; + struct klist_iter i; - list_for_each_entry(dev, &parent->dev.children, node) { + klist_iter_init(&parent->dev.klist_children, &i); + while ((dev = next_device(&i))) { struct parisc_device *padev = to_parisc_device(dev); /* work-around for 715/64 and others which have parent @@ -197,6 +205,7 @@ void gsc_fixup_irqs(struct parisc_device *parent, void *ctrl, return gsc_fixup_irqs(padev, ctrl, choose_irq); choose_irq(padev, ctrl); } + klist_iter_exit(&i); } int gsc_common_setup(struct parisc_device *parent, struct gsc_asic *gsc_asic) diff --git a/drivers/parisc/hppb.c b/drivers/parisc/hppb.c index e869c6020370..5edf93f80757 100644 --- a/drivers/parisc/hppb.c +++ b/drivers/parisc/hppb.c @@ -68,14 +68,14 @@ static int hppb_probe(struct parisc_device *dev) memset(card->next, '\0', sizeof(struct hppb_card)); card = card->next; } - printk(KERN_INFO "Found GeckoBoa at 0x%lx\n", dev->hpa); + printk(KERN_INFO "Found GeckoBoa at 0x%lx\n", dev->hpa.start); - card->hpa = dev->hpa; + card->hpa = dev->hpa.start; card->mmio_region.name = "HP-PB Bus"; card->mmio_region.flags = IORESOURCE_MEM; - card->mmio_region.start = __raw_readl(dev->hpa + IO_IO_LOW); - card->mmio_region.end = __raw_readl(dev->hpa + IO_IO_HIGH) - 1; + card->mmio_region.start = gsc_readl(dev->hpa.start + IO_IO_LOW); + card->mmio_region.end = gsc_readl(dev->hpa.start + IO_IO_HIGH) - 1; status = ccio_request_resource(dev, &card->mmio_region); if(status < 0) { @@ -93,7 +93,7 @@ static struct parisc_device_id hppb_tbl[] = { }; static struct parisc_driver hppb_driver = { - .name = "Gecko Boa", + .name = "gecko_boa", .id_table = hppb_tbl, .probe = hppb_probe, }; diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index 7a57c1b8373f..a39fbfef789a 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -244,7 +244,7 @@ static struct irt_entry *iosapic_alloc_irt(int num_entries) * 4-byte alignment on 32-bit kernels */ a = (unsigned long)kmalloc(sizeof(struct irt_entry) * num_entries + 8, GFP_KERNEL); - a = (a + 7) & ~7; + a = (a + 7UL) & ~7UL; return (struct irt_entry *)a; } diff --git a/drivers/parisc/lasi.c b/drivers/parisc/lasi.c index cb84a4e84a2f..a8c20396ffbe 100644 --- a/drivers/parisc/lasi.c +++ b/drivers/parisc/lasi.c @@ -175,7 +175,7 @@ lasi_init_chip(struct parisc_device *dev) return -ENOMEM; lasi->name = "Lasi"; - lasi->hpa = dev->hpa; + lasi->hpa = dev->hpa.start; /* Check the 4-bit (yes, only 4) version register */ lasi->version = gsc_readl(lasi->hpa + LASI_VER) & 0xf; @@ -233,7 +233,7 @@ static struct parisc_device_id lasi_tbl[] = { }; struct parisc_driver lasi_driver = { - .name = "Lasi", + .name = "lasi", .id_table = lasi_tbl, .probe = lasi_init_chip, }; diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index 7fdd80b7eb47..5e495dcbc58a 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -1288,7 +1288,7 @@ lba_legacy_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) ** Adjust "window" for this rope. */ rsize /= ROPES_PER_IOC; - r->start += (rsize + 1) * LBA_NUM(pa_dev->hpa); + r->start += (rsize + 1) * LBA_NUM(pa_dev->hpa.start); r->end = r->start + rsize; } else { r->end = r->start = 0; /* Not enabled. */ @@ -1458,7 +1458,7 @@ lba_driver_probe(struct parisc_device *dev) u32 func_class; void *tmp_obj; char *version; - void __iomem *addr = ioremap(dev->hpa, 4096); + void __iomem *addr = ioremap(dev->hpa.start, 4096); /* Read HW Rev First */ func_class = READ_REG32(addr + LBA_FCLASS); @@ -1476,7 +1476,7 @@ lba_driver_probe(struct parisc_device *dev) } printk(KERN_INFO "%s version %s (0x%x) found at 0x%lx\n", - MODULE_NAME, version, func_class & 0xf, dev->hpa); + MODULE_NAME, version, func_class & 0xf, dev->hpa.start); if (func_class < 2) { printk(KERN_WARNING "Can't support LBA older than " @@ -1503,17 +1503,17 @@ lba_driver_probe(struct parisc_device *dev) * but for the mask for func_class. */ printk(KERN_INFO "%s version %s (0x%x) found at 0x%lx\n", - MODULE_NAME, version, func_class & 0xff, dev->hpa); + MODULE_NAME, version, func_class & 0xff, dev->hpa.start); cfg_ops = &mercury_cfg_ops; } else { - printk(KERN_ERR "Unknown LBA found at 0x%lx\n", dev->hpa); + printk(KERN_ERR "Unknown LBA found at 0x%lx\n", dev->hpa.start); return -ENODEV; } /* ** Tell I/O SAPIC driver we have a IRQ handler/region. */ - tmp_obj = iosapic_register(dev->hpa + LBA_IOSAPIC_BASE); + tmp_obj = iosapic_register(dev->hpa.start + LBA_IOSAPIC_BASE); /* NOTE: PCI devices (e.g. 103c:1005 graphics card) which don't ** have an IRT entry will get NULL back from iosapic code. @@ -1635,7 +1635,7 @@ void __init lba_init(void) */ void lba_set_iregs(struct parisc_device *lba, u32 ibase, u32 imask) { - void __iomem * base_addr = ioremap(lba->hpa, 4096); + void __iomem * base_addr = ioremap(lba->hpa.start, 4096); imask <<= 2; /* adjust for hints - 2 more bits */ diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c index 286902298e33..95bd07b8b61b 100644 --- a/drivers/parisc/led.c +++ b/drivers/parisc/led.c @@ -18,6 +18,9 @@ * Changes: * - Audit copy_from_user in led_proc_write. * Daniele Bellucci <bellucda@tiscali.it> + * - Switch from using a tasklet to a work queue, so the led_LCD_driver + * can sleep. + * David Pye <dmp@davidmpye.dyndns.org> */ #include <linux/config.h> @@ -37,6 +40,7 @@ #include <linux/proc_fs.h> #include <linux/ctype.h> #include <linux/blkdev.h> +#include <linux/workqueue.h> #include <linux/rcupdate.h> #include <asm/io.h> #include <asm/processor.h> @@ -47,25 +51,30 @@ #include <asm/uaccess.h> /* The control of the LEDs and LCDs on PARISC-machines have to be done - completely in software. The necessary calculations are done in a tasklet - which is scheduled at every timer interrupt and since the calculations - may consume relatively much CPU-time some of the calculations can be + completely in software. The necessary calculations are done in a work queue + task which is scheduled regularly, and since the calculations may consume a + relatively large amount of CPU time, some of the calculations can be turned off with the following variables (controlled via procfs) */ static int led_type = -1; -static int led_heartbeat = 1; -static int led_diskio = 1; -static int led_lanrxtx = 1; +static unsigned char lastleds; /* LED state from most recent update */ +static unsigned int led_heartbeat = 1; +static unsigned int led_diskio = 1; +static unsigned int led_lanrxtx = 1; static char lcd_text[32]; static char lcd_text_default[32]; + +static struct workqueue_struct *led_wq; +static void led_work_func(void *); +static DECLARE_WORK(led_task, led_work_func, NULL); + #if 0 #define DPRINTK(x) printk x #else #define DPRINTK(x) #endif - struct lcd_block { unsigned char command; /* stores the command byte */ unsigned char on; /* value for turning LED on */ @@ -116,12 +125,27 @@ lcd_info __attribute__((aligned(8))) = #define LCD_DATA_REG lcd_info.lcd_data_reg_addr #define LED_DATA_REG lcd_info.lcd_cmd_reg_addr /* LASI & ASP only */ +#define LED_HASLCD 1 +#define LED_NOLCD 0 + +/* The workqueue must be created at init-time */ +static int start_task(void) +{ + /* Display the default text now */ + if (led_type == LED_HASLCD) lcd_print( lcd_text_default ); + + /* Create the work queue and queue the LED task */ + led_wq = create_singlethread_workqueue("led_wq"); + queue_work(led_wq, &led_task); + + return 0; +} + +device_initcall(start_task); /* ptr to LCD/LED-specific function */ static void (*led_func_ptr) (unsigned char); -#define LED_HASLCD 1 -#define LED_NOLCD 0 #ifdef CONFIG_PROC_FS static int led_proc_read(char *page, char **start, off_t off, int count, int *eof, void *data) @@ -286,52 +310,35 @@ static void led_LASI_driver(unsigned char leds) /* ** ** led_LCD_driver() - ** - ** The logic of the LCD driver is, that we write at every scheduled call - ** only to one of LCD_CMD_REG _or_ LCD_DATA_REG - registers. - ** That way we don't need to let this tasklet busywait for min_cmd_delay - ** milliseconds. - ** - ** TODO: check the value of "min_cmd_delay" against the value of HZ. ** */ static void led_LCD_driver(unsigned char leds) { - static int last_index; /* 0:heartbeat, 1:disk, 2:lan_in, 3:lan_out */ - static int last_was_cmd;/* 0: CMD was written last, 1: DATA was last */ - struct lcd_block *block_ptr; - int value; - - switch (last_index) { - case 0: block_ptr = &lcd_info.heartbeat; - value = leds & LED_HEARTBEAT; - break; - case 1: block_ptr = &lcd_info.disk_io; - value = leds & LED_DISK_IO; - break; - case 2: block_ptr = &lcd_info.lan_rcv; - value = leds & LED_LAN_RCV; - break; - case 3: block_ptr = &lcd_info.lan_tx; - value = leds & LED_LAN_TX; - break; - default: /* should never happen: */ - return; - } - - if (last_was_cmd) { - /* write the value to the LCD data port */ - gsc_writeb( value ? block_ptr->on : block_ptr->off, LCD_DATA_REG ); - } else { - /* write the command-byte to the LCD command register */ - gsc_writeb( block_ptr->command, LCD_CMD_REG ); - } + static int i; + static unsigned char mask[4] = { LED_HEARTBEAT, LED_DISK_IO, + LED_LAN_RCV, LED_LAN_TX }; - /* now update the vars for the next interrupt iteration */ - if (++last_was_cmd == 2) { /* switch between cmd & data */ - last_was_cmd = 0; - if (++last_index == 4) - last_index = 0; /* switch back to heartbeat index */ + static struct lcd_block * blockp[4] = { + &lcd_info.heartbeat, + &lcd_info.disk_io, + &lcd_info.lan_rcv, + &lcd_info.lan_tx + }; + + /* Convert min_cmd_delay to milliseconds */ + unsigned int msec_cmd_delay = 1 + (lcd_info.min_cmd_delay / 1000); + + for (i=0; i<4; ++i) + { + if ((leds & mask[i]) != (lastleds & mask[i])) + { + gsc_writeb( blockp[i]->command, LCD_CMD_REG ); + msleep(msec_cmd_delay); + + gsc_writeb( leds & mask[i] ? blockp[i]->on : + blockp[i]->off, LCD_DATA_REG ); + msleep(msec_cmd_delay); + } } } @@ -356,7 +363,7 @@ static __inline__ int led_get_net_activity(void) rx_total = tx_total = 0; - /* we are running as tasklet, so locking dev_base + /* we are running as a workqueue task, so locking dev_base * for reading should be OK */ read_lock(&dev_base_lock); rcu_read_lock(); @@ -405,7 +412,7 @@ static __inline__ int led_get_diskio_activity(void) static unsigned long last_pgpgin, last_pgpgout; struct page_state pgstat; int changed; - + get_full_page_state(&pgstat); /* get no of sectors in & out */ /* Just use a very simple calculation here. Do not care about overflow, @@ -413,86 +420,70 @@ static __inline__ int led_get_diskio_activity(void) changed = (pgstat.pgpgin != last_pgpgin) || (pgstat.pgpgout != last_pgpgout); last_pgpgin = pgstat.pgpgin; last_pgpgout = pgstat.pgpgout; - + return (changed ? LED_DISK_IO : 0); } /* - ** led_tasklet_func() + ** led_work_func() ** - ** is scheduled at every timer interrupt from time.c and - ** updates the chassis LCD/LED + ** manages when and which chassis LCD/LED gets updated TODO: - display load average (older machines like 715/64 have 4 "free" LED's for that) - optimizations */ -#define HEARTBEAT_LEN (HZ*6/100) -#define HEARTBEAT_2ND_RANGE_START (HZ*22/100) +#define HEARTBEAT_LEN (HZ*10/100) +#define HEARTBEAT_2ND_RANGE_START (HZ*28/100) #define HEARTBEAT_2ND_RANGE_END (HEARTBEAT_2ND_RANGE_START + HEARTBEAT_LEN) -#define NORMALIZED_COUNT(count) (count/(HZ/100)) +#define LED_UPDATE_INTERVAL (1 + (HZ*19/1000)) -static void led_tasklet_func(unsigned long unused) +static void led_work_func (void *unused) { - static unsigned char lastleds; - unsigned char currentleds; /* stores current value of the LEDs */ - static unsigned long count; /* static incremented value, not wrapped */ + static unsigned long last_jiffies; static unsigned long count_HZ; /* counter in range 0..HZ */ + unsigned char currentleds = 0; /* stores current value of the LEDs */ /* exit if not initialized */ if (!led_func_ptr) return; - /* increment the local counters */ - ++count; - if (++count_HZ == HZ) + /* increment the heartbeat timekeeper */ + count_HZ += jiffies - last_jiffies; + last_jiffies = jiffies; + if (count_HZ >= HZ) count_HZ = 0; - currentleds = lastleds; - - if (led_heartbeat) - { - /* flash heartbeat-LED like a real heart (2 x short then a long delay) */ - if (count_HZ<HEARTBEAT_LEN || - (count_HZ>=HEARTBEAT_2ND_RANGE_START && count_HZ<HEARTBEAT_2ND_RANGE_END)) - currentleds |= LED_HEARTBEAT; - else - currentleds &= ~LED_HEARTBEAT; - } - - /* look for network activity and flash LEDs respectively */ - if (led_lanrxtx && ((NORMALIZED_COUNT(count)+(8/2)) & 7) == 0) + if (likely(led_heartbeat)) { - currentleds &= ~(LED_LAN_RCV | LED_LAN_TX); - currentleds |= led_get_net_activity(); + /* flash heartbeat-LED like a real heart + * (2 x short then a long delay) + */ + if (count_HZ < HEARTBEAT_LEN || + (count_HZ >= HEARTBEAT_2ND_RANGE_START && + count_HZ < HEARTBEAT_2ND_RANGE_END)) + currentleds |= LED_HEARTBEAT; } - /* avoid to calculate diskio-stats at same irq as netio-stats */ - if (led_diskio && (NORMALIZED_COUNT(count) & 7) == 0) - { - currentleds &= ~LED_DISK_IO; - currentleds |= led_get_diskio_activity(); - } + if (likely(led_lanrxtx)) currentleds |= led_get_net_activity(); + if (likely(led_diskio)) currentleds |= led_get_diskio_activity(); /* blink all LEDs twice a second if we got an Oops (HPMC) */ - if (oops_in_progress) { + if (unlikely(oops_in_progress)) currentleds = (count_HZ<=(HZ/2)) ? 0 : 0xff; - } - - /* update the LCD/LEDs */ - if (currentleds != lastleds) { - led_func_ptr(currentleds); - lastleds = currentleds; - } -} -/* main led tasklet struct (scheduled from time.c) */ -DECLARE_TASKLET_DISABLED(led_tasklet, led_tasklet_func, 0); + if (currentleds != lastleds) + { + led_func_ptr(currentleds); /* Update the LCD/LEDs */ + lastleds = currentleds; + } + queue_delayed_work(led_wq, &led_task, LED_UPDATE_INTERVAL); +} /* ** led_halt() @@ -522,9 +513,13 @@ static int led_halt(struct notifier_block *nb, unsigned long event, void *buf) default: return NOTIFY_DONE; } - /* completely stop the LED/LCD tasklet */ - tasklet_disable(&led_tasklet); - + /* Cancel the work item and delete the queue */ + if (led_wq) { + cancel_rearming_delayed_workqueue(led_wq, &led_task); + destroy_workqueue(led_wq); + led_wq = NULL; + } + if (lcd_info.model == DISPLAY_MODEL_LCD) lcd_print(txt); else @@ -559,7 +554,6 @@ int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long d printk(KERN_INFO "LCD display at %lx,%lx registered\n", LCD_CMD_REG , LCD_DATA_REG); led_func_ptr = led_LCD_driver; - lcd_print( lcd_text_default ); led_type = LED_HASLCD; break; @@ -589,9 +583,11 @@ int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long d initialized++; register_reboot_notifier(&led_notifier); - /* start the led tasklet for the first time */ - tasklet_enable(&led_tasklet); - + /* Ensure the work is queued */ + if (led_wq) { + queue_work(led_wq, &led_task); + } + return 0; } @@ -626,8 +622,8 @@ void __init register_led_regions(void) ** lcd_print() ** ** Displays the given string on the LCD-Display of newer machines. - ** lcd_print() disables the timer-based led tasklet during its - ** execution and enables it afterwards again. + ** lcd_print() disables/enables the timer-based led work queue to + ** avoid a race condition while writing the CMD/DATA register pair. ** */ int lcd_print( char *str ) @@ -637,12 +633,13 @@ int lcd_print( char *str ) if (!led_func_ptr || lcd_info.model != DISPLAY_MODEL_LCD) return 0; - /* temporarily disable the led tasklet */ - tasklet_disable(&led_tasklet); + /* temporarily disable the led work task */ + if (led_wq) + cancel_rearming_delayed_workqueue(led_wq, &led_task); /* copy display string to buffer for procfs */ strlcpy(lcd_text, str, sizeof(lcd_text)); - + /* Set LCD Cursor to 1st character */ gsc_writeb(lcd_info.reset_cmd1, LCD_CMD_REG); udelay(lcd_info.min_cmd_delay); @@ -656,8 +653,10 @@ int lcd_print( char *str ) udelay(lcd_info.min_cmd_delay); } - /* re-enable the led tasklet */ - tasklet_enable(&led_tasklet); + /* re-queue the work */ + if (led_wq) { + queue_work(led_wq, &led_task); + } return lcd_info.lcd_width; } diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c index 67c8f3b44848..273a74179720 100644 --- a/drivers/parisc/pdc_stable.c +++ b/drivers/parisc/pdc_stable.c @@ -536,7 +536,7 @@ pdcs_info_read(struct subsystem *entry, char *buf) out += sprintf(out, "Memory tested: "); if ((result & 0x0F) < 0x0E) - out += sprintf(out, "%.3f MB", 0.256*(1<<(result & 0x0F))); + out += sprintf(out, "%d kB", (1<<(result & 0x0F))*256); else out += sprintf(out, "All"); out += sprintf(out, "\n"); diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index bd8b3e5a5cd7..c85653f315aa 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -91,8 +91,8 @@ extern struct proc_dir_entry * proc_mckinley_root; #define DBG_RES(x...) #endif -#if defined(__LP64__) && !defined(CONFIG_PDC_NARROW) -/* "low end" PA8800 machines use ZX1 chipset */ +#if defined(CONFIG_64BIT) +/* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */ #define ZX1_SUPPORT #endif @@ -231,7 +231,7 @@ struct ioc { spinlock_t res_lock; unsigned int res_bitshift; /* from the LEFT! */ unsigned int res_size; /* size of resource map in bytes */ -#if SBA_HINT_SUPPORT +#ifdef SBA_HINT_SUPPORT /* FIXME : DMA HINTs not used */ unsigned long hint_mask_pdir; /* bits used for DMA hints */ unsigned int hint_shift_pdir; @@ -294,7 +294,7 @@ static unsigned long piranha_bad_128k = 0; /* Looks nice and keeps the compiler happy */ #define SBA_DEV(d) ((struct sba_device *) (d)) -#if SBA_AGP_SUPPORT +#ifdef SBA_AGP_SUPPORT static int reserve_sba_gart = 1; #endif @@ -314,7 +314,7 @@ static int reserve_sba_gart = 1; #define WRITE_REG32(val, addr) __raw_writel(cpu_to_le32(val), addr) #define WRITE_REG64(val, addr) __raw_writeq(cpu_to_le64(val), addr) -#ifdef __LP64__ +#ifdef CONFIG_64BIT #define READ_REG(addr) READ_REG64(addr) #define WRITE_REG(value, addr) WRITE_REG64(value, addr) #else @@ -324,7 +324,7 @@ static int reserve_sba_gart = 1; #ifdef DEBUG_SBA_INIT -/* NOTE: When __LP64__ isn't defined, READ_REG64() is two 32-bit reads */ +/* NOTE: When CONFIG_64BIT isn't defined, READ_REG64() is two 32-bit reads */ /** * sba_dump_ranges - debugging only - print ranges assigned to this IOA @@ -364,7 +364,7 @@ static void sba_dump_tlb(void __iomem *hpa) #else #define sba_dump_ranges(x) #define sba_dump_tlb(x) -#endif +#endif /* DEBUG_SBA_INIT */ #ifdef ASSERT_PDIR_SANITY @@ -674,7 +674,7 @@ sba_free_range(struct ioc *ioc, dma_addr_t iova, size_t size) * ***************************************************************/ -#if SBA_HINT_SUPPORT +#ifdef SBA_HINT_SUPPORT #define SBA_DMA_HINT(ioc, val) ((val) << (ioc)->hint_shift_pdir) #endif @@ -743,9 +743,8 @@ sba_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba, * (bit #61, big endian), we have to flush and sync every time * IO-PDIR is changed in Ike/Astro. */ - if (ioc_needs_fdc) { - asm volatile("fdc 0(%%sr1,%0)\n\tsync" : : "r" (pdir_ptr)); - } + if (ioc_needs_fdc) + asm volatile("fdc %%r0(%0)" : : "r" (pdir_ptr)); } @@ -769,42 +768,57 @@ static SBA_INLINE void sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) { u32 iovp = (u32) SBA_IOVP(ioc,iova); - - /* Even though this is a big-endian machine, the entries - ** in the iopdir are little endian. That's why we clear the byte - ** at +7 instead of at +0. - */ - int off = PDIR_INDEX(iovp)*sizeof(u64)+7; + u64 *pdir_ptr = &ioc->pdir_base[PDIR_INDEX(iovp)]; #ifdef ASSERT_PDIR_SANITY - /* Assert first pdir entry is set */ - if (0x80 != (((u8 *) ioc->pdir_base)[off])) { + /* Assert first pdir entry is set. + ** + ** Even though this is a big-endian machine, the entries + ** in the iopdir are little endian. That's why we look at + ** the byte at +7 instead of at +0. + */ + if (0x80 != (((u8 *) pdir_ptr)[7])) { sba_dump_pdir_entry(ioc,"sba_mark_invalid()", PDIR_INDEX(iovp)); } #endif - if (byte_cnt <= IOVP_SIZE) + if (byte_cnt > IOVP_SIZE) { - iovp |= IOVP_SHIFT; /* set "size" field for PCOM */ +#if 0 + unsigned long entries_per_cacheline = ioc_needs_fdc ? + L1_CACHE_ALIGN(((unsigned long) pdir_ptr)) + - (unsigned long) pdir_ptr; + : 262144; +#endif - /* - ** clear I/O PDIR entry "valid" bit - ** Do NOT clear the rest - save it for debugging. - ** We should only clear bits that have previously - ** been enabled. - */ - ((u8 *)(ioc->pdir_base))[off] = 0; - } else { - u32 t = get_order(byte_cnt) + PAGE_SHIFT; + /* set "size" field for PCOM */ + iovp |= get_order(byte_cnt) + PAGE_SHIFT; - iovp |= t; do { /* clear I/O Pdir entry "valid" bit first */ - ((u8 *)(ioc->pdir_base))[off] = 0; - off += sizeof(u64); + ((u8 *) pdir_ptr)[7] = 0; + if (ioc_needs_fdc) { + asm volatile("fdc %%r0(%0)" : : "r" (pdir_ptr)); +#if 0 + entries_per_cacheline = L1_CACHE_SHIFT - 3; +#endif + } + pdir_ptr++; byte_cnt -= IOVP_SIZE; - } while (byte_cnt > 0); - } + } while (byte_cnt > IOVP_SIZE); + } else + iovp |= IOVP_SHIFT; /* set "size" field for PCOM */ + + /* + ** clear I/O PDIR entry "valid" bit. + ** We have to R/M/W the cacheline regardless how much of the + ** pdir entry that we clobber. + ** The rest of the entry would be useful for debugging if we + ** could dump core on HPMC. + */ + ((u8 *) pdir_ptr)[7] = 0; + if (ioc_needs_fdc) + asm volatile("fdc %%r0(%0)" : : "r" (pdir_ptr)); WRITE_REG( SBA_IOVA(ioc, iovp, 0, 0), ioc->ioc_hpa+IOC_PCOM); } @@ -819,18 +833,29 @@ sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) static int sba_dma_supported( struct device *dev, u64 mask) { struct ioc *ioc; + if (dev == NULL) { printk(KERN_ERR MODULE_NAME ": EISA/ISA/et al not supported\n"); BUG(); return(0); } - ioc = GET_IOC(dev); + /* Documentation/DMA-mapping.txt tells drivers to try 64-bit first, + * then fall back to 32-bit if that fails. + * We are just "encouraging" 32-bit DMA masks here since we can + * never allow IOMMU bypass unless we add special support for ZX1. + */ + if (mask > ~0U) + return 0; - /* check if mask is > than the largest IO Virt Address */ + ioc = GET_IOC(dev); - return((int) (mask >= (ioc->ibase + - (ioc->pdir_size / sizeof(u64) * IOVP_SIZE) ))); + /* + * check if mask is >= than the current max IO Virt Address + * The max IO Virt address will *always* < 30 bits. + */ + return((int)(mask >= (ioc->ibase - 1 + + (ioc->pdir_size / sizeof(u64) * IOVP_SIZE) ))); } @@ -898,11 +923,17 @@ sba_map_single(struct device *dev, void *addr, size_t size, size -= IOVP_SIZE; pdir_start++; } - /* form complete address */ + + /* force FDC ops in io_pdir_entry() to be visible to IOMMU */ + if (ioc_needs_fdc) + asm volatile("sync" : : ); + #ifdef ASSERT_PDIR_SANITY sba_check_pdir(ioc,"Check after sba_map_single()"); #endif spin_unlock_irqrestore(&ioc->res_lock, flags); + + /* form complete address */ return SBA_IOVA(ioc, iovp, offset, DEFAULT_DMA_HINT_REG); } @@ -958,12 +989,19 @@ sba_unmap_single(struct device *dev, dma_addr_t iova, size_t size, d--; } ioc->saved_cnt = 0; + READ_REG(ioc->ioc_hpa+IOC_PCOM); /* flush purges */ } #else /* DELAYED_RESOURCE_CNT == 0 */ sba_free_range(ioc, iova, size); + + /* If fdc's were issued, force fdc's to be visible now */ + if (ioc_needs_fdc) + asm volatile("sync" : : ); + READ_REG(ioc->ioc_hpa+IOC_PCOM); /* flush purges */ #endif /* DELAYED_RESOURCE_CNT == 0 */ + spin_unlock_irqrestore(&ioc->res_lock, flags); /* XXX REVISIT for 2.5 Linux - need syncdma for zero-copy support. @@ -1106,6 +1144,10 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, */ filled = iommu_fill_pdir(ioc, sglist, nents, 0, sba_io_pdir_entry); + /* force FDC ops in io_pdir_entry() to be visible to IOMMU */ + if (ioc_needs_fdc) + asm volatile("sync" : : ); + #ifdef ASSERT_PDIR_SANITY if (sba_check_pdir(ioc,"Check after sba_map_sg()")) { @@ -1234,8 +1276,10 @@ sba_alloc_pdir(unsigned int pdir_size) unsigned long pdir_order = get_order(pdir_size); pdir_base = __get_free_pages(GFP_KERNEL, pdir_order); - if (NULL == (void *) pdir_base) - panic("sba_ioc_init() could not allocate I/O Page Table\n"); + if (NULL == (void *) pdir_base) { + panic("%s() could not allocate I/O Page Table\n", + __FUNCTION__); + } /* If this is not PA8700 (PCX-W2) ** OR newer than ver 2.2 @@ -1322,19 +1366,29 @@ sba_alloc_pdir(unsigned int pdir_size) return (void *) pdir_base; } +static struct device *next_device(struct klist_iter *i) +{ + struct klist_node * n = klist_next(i); + return n ? container_of(n, struct device, knode_parent) : NULL; +} + /* setup Mercury or Elroy IBASE/IMASK registers. */ -static void setup_ibase_imask(struct parisc_device *sba, struct ioc *ioc, int ioc_num) +static void +setup_ibase_imask(struct parisc_device *sba, struct ioc *ioc, int ioc_num) { - /* lba_set_iregs() is in drivers/parisc/lba_pci.c */ + /* lba_set_iregs() is in drivers/parisc/lba_pci.c */ extern void lba_set_iregs(struct parisc_device *, u32, u32); struct device *dev; + struct klist_iter i; - list_for_each_entry(dev, &sba->dev.children, node) { + klist_iter_init(&sba->dev.klist_children, &i); + while ((dev = next_device(&i))) { struct parisc_device *lba = to_parisc_device(dev); - int rope_num = (lba->hpa >> 13) & 0xf; + int rope_num = (lba->hpa.start >> 13) & 0xf; if (rope_num >> 3 == ioc_num) lba_set_iregs(lba, ioc->ibase, ioc->imask); } + klist_iter_exit(&i); } static void @@ -1343,7 +1397,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num) u32 iova_space_mask; u32 iova_space_size; int iov_order, tcnfg; -#if SBA_AGP_SUPPORT +#ifdef SBA_AGP_SUPPORT int agp_found = 0; #endif /* @@ -1380,7 +1434,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num) DBG_INIT("%s() pdir %p size %x\n", __FUNCTION__, ioc->pdir_base, ioc->pdir_size); -#if SBA_HINT_SUPPORT +#ifdef SBA_HINT_SUPPORT ioc->hint_shift_pdir = iov_order + PAGE_SHIFT; ioc->hint_mask_pdir = ~(0x3 << (iov_order + PAGE_SHIFT)); @@ -1404,7 +1458,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num) WRITE_REG(ioc->imask, ioc->ioc_hpa + IOC_IMASK); -#ifdef __LP64__ +#ifdef CONFIG_64BIT /* ** Setting the upper bits makes checking for bypass addresses ** a little faster later on. @@ -1437,7 +1491,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num) */ WRITE_REG(ioc->ibase | 31, ioc->ioc_hpa + IOC_PCOM); -#if SBA_AGP_SUPPORT +#ifdef SBA_AGP_SUPPORT /* ** If an AGP device is present, only use half of the IOV space ** for PCI DMA. Unfortunately we can't know ahead of time @@ -1489,11 +1543,9 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num) if (iova_space_size < (1 << (20 - PAGE_SHIFT))) { iova_space_size = 1 << (20 - PAGE_SHIFT); } -#ifdef __LP64__ else if (iova_space_size > (1 << (30 - PAGE_SHIFT))) { iova_space_size = 1 << (30 - PAGE_SHIFT); } -#endif /* ** iova space must be log2() in size. @@ -1519,7 +1571,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num) DBG_INIT("%s() pdir %p size %x\n", __FUNCTION__, ioc->pdir_base, pdir_size); -#if SBA_HINT_SUPPORT +#ifdef SBA_HINT_SUPPORT /* FIXME : DMA HINTs not used */ ioc->hint_shift_pdir = iov_order + PAGE_SHIFT; ioc->hint_mask_pdir = ~(0x3 << (iov_order + PAGE_SHIFT)); @@ -1590,7 +1642,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num) static void __iomem *ioc_remap(struct sba_device *sba_dev, int offset) { - return ioremap(sba_dev->dev->hpa + offset, SBA_FUNC_SIZE); + return ioremap(sba_dev->dev->hpa.start + offset, SBA_FUNC_SIZE); } static void sba_hw_init(struct sba_device *sba_dev) @@ -1968,7 +2020,7 @@ sba_driver_callback(struct parisc_device *dev) u32 func_class; int i; char *version; - void __iomem *sba_addr = ioremap(dev->hpa, SBA_FUNC_SIZE); + void __iomem *sba_addr = ioremap(dev->hpa.start, SBA_FUNC_SIZE); sba_dump_ranges(sba_addr); @@ -2010,7 +2062,7 @@ sba_driver_callback(struct parisc_device *dev) } printk(KERN_INFO "%s found %s at 0x%lx\n", - MODULE_NAME, version, dev->hpa); + MODULE_NAME, version, dev->hpa.start); sba_dev = kmalloc(sizeof(struct sba_device), GFP_KERNEL); if (!sba_dev) { diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c index e0efed796b92..bab3bcabcb6e 100644 --- a/drivers/parisc/superio.c +++ b/drivers/parisc/superio.c @@ -11,6 +11,7 @@ * (C) Copyright 2000 Alex deVries <alex@onefishtwo.ca> * (C) Copyright 2001 John Marvin <jsm fc hp com> * (C) Copyright 2003 Grant Grundler <grundler parisc-linux org> + * (C) Copyright 2005 Kyle McMartin <kyle@parisc-linux.org> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -405,6 +406,7 @@ static void __devinit superio_serial_init(void) serial[0].iobase = sio_dev.sp1_base; serial[0].irq = SP1_IRQ; + spin_lock_init(&serial[0].lock); retval = early_serial_setup(&serial[0]); if (retval < 0) { @@ -414,6 +416,7 @@ static void __devinit superio_serial_init(void) serial[1].iobase = sio_dev.sp2_base; serial[1].irq = SP2_IRQ; + spin_lock_init(&serial[1].lock); retval = early_serial_setup(&serial[1]); if (retval < 0) diff --git a/drivers/parisc/wax.c b/drivers/parisc/wax.c index e547d7d024d8..17dce2adf7fe 100644 --- a/drivers/parisc/wax.c +++ b/drivers/parisc/wax.c @@ -81,7 +81,7 @@ wax_init_chip(struct parisc_device *dev) return -ENOMEM; wax->name = "wax"; - wax->hpa = dev->hpa; + wax->hpa = dev->hpa.start; wax->version = 0; /* gsc_readb(wax->hpa+WAX_VER); */ printk(KERN_INFO "%s at 0x%lx found.\n", wax->name, wax->hpa); diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c index 02d72acd1c89..fde29a75f888 100644 --- a/drivers/parport/parport_gsc.c +++ b/drivers/parport/parport_gsc.c @@ -359,11 +359,12 @@ static int __devinit parport_init_chip(struct parisc_device *dev) unsigned long port; if (!dev->irq) { - printk("IRQ not found for parallel device at 0x%lx\n", dev->hpa); + printk(KERN_WARNING "IRQ not found for parallel device at 0x%lx\n", + dev->hpa.start); return -ENODEV; } - port = dev->hpa + PARPORT_GSC_OFFSET; + port = dev->hpa.start + PARPORT_GSC_OFFSET; /* some older machines with ASP-chip don't support * the enhanced parport modes. diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c index 4cbb6187cc44..459a4daebece 100644 --- a/drivers/scsi/lasi700.c +++ b/drivers/scsi/lasi700.c @@ -98,7 +98,7 @@ MODULE_DEVICE_TABLE(parisc, lasi700_ids); static int __init lasi700_probe(struct parisc_device *dev) { - unsigned long base = dev->hpa + LASI_SCSI_CORE_OFFSET; + unsigned long base = dev->hpa.start + LASI_SCSI_CORE_OFFSET; struct NCR_700_Host_Parameters *hostdata; struct Scsi_Host *host; @@ -125,8 +125,6 @@ lasi700_probe(struct parisc_device *dev) hostdata->dmode_extra = DMODE_FC2; } - NCR_700_set_mem_mapped(hostdata); - host = NCR_700_detect(&lasi700_template, hostdata, &dev->dev); if (!host) goto out_kfree; @@ -168,7 +166,7 @@ lasi700_driver_remove(struct parisc_device *dev) } static struct parisc_driver lasi700_driver = { - .name = "Lasi SCSI", + .name = "lasi_scsi", .id_table = lasi700_ids, .probe = lasi700_probe, .remove = __devexit_p(lasi700_driver_remove), diff --git a/drivers/scsi/zalon.c b/drivers/scsi/zalon.c index 5a51051e31f0..b131432c677d 100644 --- a/drivers/scsi/zalon.c +++ b/drivers/scsi/zalon.c @@ -88,7 +88,7 @@ zalon_probe(struct parisc_device *dev) struct gsc_irq gsc_irq; u32 zalon_vers; int error = -ENODEV; - void __iomem *zalon = ioremap(dev->hpa, 4096); + void __iomem *zalon = ioremap(dev->hpa.start, 4096); void __iomem *io_port = zalon + GSC_SCSI_ZALON_OFFSET; static int unit = 0; struct Scsi_Host *host; @@ -127,7 +127,7 @@ zalon_probe(struct parisc_device *dev) device.chip = zalon720_chip; device.host_id = 7; device.dev = &dev->dev; - device.slot.base = dev->hpa + GSC_SCSI_ZALON_OFFSET; + device.slot.base = dev->hpa.start + GSC_SCSI_ZALON_OFFSET; device.slot.base_v = io_port; device.slot.irq = dev->irq; device.differential = 2; diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c index 431aa5761a7a..8b4947933d9b 100644 --- a/drivers/serial/8250_gsc.c +++ b/drivers/serial/8250_gsc.c @@ -29,7 +29,6 @@ static int __init serial_init_chip(struct parisc_device *dev) { - static int serial_line_nr; struct uart_port port; unsigned long address; int err; @@ -42,12 +41,13 @@ serial_init_chip(struct parisc_device *dev) */ if (parisc_parent(dev)->id.hw_type != HPHW_IOA) { printk(KERN_INFO "Serial: device 0x%lx not configured.\n" - "Enable support for Wax, Lasi, Asp or Dino.\n", dev->hpa); + "Enable support for Wax, Lasi, Asp or Dino.\n", + dev->hpa.start); } return -ENODEV; } - address = dev->hpa; + address = dev->hpa.start; if (dev->id.sversion != 0x8d) { address += 0x800; } diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c index 189064607709..660bae5ba179 100644 --- a/drivers/serial/mux.c +++ b/drivers/serial/mux.c @@ -27,6 +27,7 @@ #include <linux/delay.h> /* for udelay */ #include <linux/device.h> #include <asm/io.h> +#include <asm/irq.h> #include <asm/parisc-device.h> #ifdef CONFIG_MAGIC_SYSRQ @@ -444,7 +445,7 @@ static int __init mux_probe(struct parisc_device *dev) unsigned long bytecnt; struct uart_port *port; - status = pdc_iodc_read(&bytecnt, dev->hpa, 0, iodc_data, 32); + status = pdc_iodc_read(&bytecnt, dev->hpa.start, 0, iodc_data, 32); if(status != PDC_OK) { printk(KERN_ERR "Serial mux: Unable to read IODC.\n"); return 1; @@ -469,16 +470,18 @@ static int __init mux_probe(struct parisc_device *dev) for(i = 0; i < ports; ++i, ++port_cnt) { port = &mux_ports[port_cnt]; port->iobase = 0; - port->mapbase = dev->hpa + MUX_OFFSET + (i * MUX_LINE_OFFSET); + port->mapbase = dev->hpa.start + MUX_OFFSET + + (i * MUX_LINE_OFFSET); port->membase = ioremap(port->mapbase, MUX_LINE_OFFSET); port->iotype = SERIAL_IO_MEM; port->type = PORT_MUX; - port->irq = SERIAL_IRQ_NONE; + port->irq = NO_IRQ; port->uartclk = 0; port->fifosize = MUX_FIFO_SIZE; port->ops = &mux_pops; port->flags = UPF_BOOT_AUTOCONF; port->line = port_cnt; + spin_lock_init(&port->lock); status = uart_add_one_port(&mux_driver, port); BUG_ON(status); } @@ -497,7 +500,7 @@ static struct parisc_device_id mux_tbl[] = { MODULE_DEVICE_TABLE(parisc, mux_tbl); static struct parisc_driver serial_mux_driver = { - .name = "Serial MUX", + .name = "serial_mux", .id_table = mux_tbl, .probe = mux_probe, }; diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig index eb83a7874c71..7e731691e2a9 100644 --- a/drivers/video/console/Kconfig +++ b/drivers/video/console/Kconfig @@ -110,7 +110,7 @@ config STI_CONSOLE config FONTS bool "Select compiled-in fonts" - depends on FRAMEBUFFER_CONSOLE + depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE help Say Y here if you would like to use fonts other than the default your frame buffer console usually use. @@ -123,7 +123,7 @@ config FONTS config FONT_8x8 bool "VGA 8x8 font" if FONTS - depends on FRAMEBUFFER_CONSOLE + depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE default y if !SPARC32 && !SPARC64 && !FONTS help This is the "high resolution" font for the VGA frame buffer (the one @@ -137,7 +137,7 @@ config FONT_8x8 config FONT_8x16 bool "VGA 8x16 font" if FONTS - depends on FRAMEBUFFER_CONSOLE || SGI_NEWPORT_CONSOLE=y || USB_SISUSBVGA_CON + depends on FRAMEBUFFER_CONSOLE || SGI_NEWPORT_CONSOLE=y || STI_CONSOLE || USB_SISUSBVGA_CON default y if !SPARC32 && !SPARC64 && !FONTS help This is the "high resolution" font for the VGA frame buffer (the one @@ -147,7 +147,7 @@ config FONT_8x16 config FONT_6x11 bool "Mac console 6x11 font (not supported by all drivers)" if FONTS - depends on FRAMEBUFFER_CONSOLE + depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE default y if !SPARC32 && !SPARC64 && !FONTS && MAC help Small console font with Macintosh-style high-half glyphs. Some Mac diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c index d940f605acb6..a7bcd17112c0 100644 --- a/drivers/video/console/sticore.c +++ b/drivers/video/console/sticore.c @@ -511,12 +511,12 @@ sti_select_fbfont( struct sti_cooked_rom *cooked_rom, char *fbfont_name ) struct sti_cooked_font *cooked_font; if (!fbfont_name || !strlen(fbfont_name)) - return NULL; + return NULL; fbfont = find_font(fbfont_name); if (!fbfont) - fbfont = get_default_font(1024,768); + fbfont = get_default_font(1024,768); if (!fbfont) - return NULL; + return NULL; DPRINTK((KERN_DEBUG "selected %dx%d fb-font %s\n", fbfont->width, fbfont->height, fbfont->name)); @@ -527,7 +527,7 @@ sti_select_fbfont( struct sti_cooked_rom *cooked_rom, char *fbfont_name ) nf = kmalloc(size, GFP_KERNEL); if (!nf) - return NULL; + return NULL; memset(nf, 0, size); nf->first_char = 0; @@ -546,8 +546,8 @@ sti_select_fbfont( struct sti_cooked_rom *cooked_rom, char *fbfont_name ) cooked_font = kmalloc(sizeof(*cooked_font), GFP_KERNEL); if (!cooked_font) { - kfree(nf); - return NULL; + kfree(nf); + return NULL; } cooked_font->raw = nf; @@ -595,7 +595,7 @@ sti_select_font(struct sti_cooked_rom *rom, static void __init sti_dump_rom(struct sti_rom *rom) { - printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n", + printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n", rom->graphics_id[0], rom->graphics_id[1], rom->revno[0] >> 4, @@ -651,15 +651,16 @@ sti_search_font(struct sti_cooked_rom *rom, int height, int width) struct sti_cooked_font *font; int i = 0; - for(font = rom->font_start; font; font = font->next_font, i++) { - if((font->raw->width == width) && (font->raw->height == height)) + for (font = rom->font_start; font; font = font->next_font, i++) { + if ((font->raw->width == width) && + (font->raw->height == height)) return i; } return 0; } -#define BMODE_RELOCATE(offset) offset = (offset) / 4; -#define BMODE_LAST_ADDR_OFFS 0x50 +#define BMODE_RELOCATE(offset) offset = (offset) / 4; +#define BMODE_LAST_ADDR_OFFS 0x50 static void * __init sti_bmode_font_raw(struct sti_cooked_font *f) @@ -700,35 +701,35 @@ sti_get_bmode_rom (unsigned long address) { struct sti_rom *raw; u32 size; - struct sti_rom_font *raw_font, *font_start; - + struct sti_rom_font *raw_font, *font_start; + sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size); - - size = (size+3) / 4; + + size = (size+3) / 4; raw = kmalloc(size, GFP_KERNEL); if (raw) { - sti_bmode_rom_copy(address, size, raw); - memmove (&raw->res004, &raw->type[0], 0x3c); - raw->type[3] = raw->res004; + sti_bmode_rom_copy(address, size, raw); + memmove (&raw->res004, &raw->type[0], 0x3c); + raw->type[3] = raw->res004; - BMODE_RELOCATE (raw->region_list); - BMODE_RELOCATE (raw->font_start); + BMODE_RELOCATE (raw->region_list); + BMODE_RELOCATE (raw->font_start); - BMODE_RELOCATE (raw->init_graph); - BMODE_RELOCATE (raw->state_mgmt); - BMODE_RELOCATE (raw->font_unpmv); - BMODE_RELOCATE (raw->block_move); - BMODE_RELOCATE (raw->inq_conf); + BMODE_RELOCATE (raw->init_graph); + BMODE_RELOCATE (raw->state_mgmt); + BMODE_RELOCATE (raw->font_unpmv); + BMODE_RELOCATE (raw->block_move); + BMODE_RELOCATE (raw->inq_conf); - raw_font = ((void *)raw) + raw->font_start; - font_start = raw_font; + raw_font = ((void *)raw) + raw->font_start; + font_start = raw_font; - while (raw_font->next_font) { - BMODE_RELOCATE (raw_font->next_font); - raw_font = ((void *)font_start) + raw_font->next_font; - } + while (raw_font->next_font) { + BMODE_RELOCATE (raw_font->next_font); + raw_font = ((void *)font_start) + raw_font->next_font; + } } - return raw; + return raw; } struct sti_rom * __init @@ -736,15 +737,15 @@ sti_get_wmode_rom (unsigned long address) { struct sti_rom *raw; unsigned long size; - + /* read the ROM size directly from the struct in ROM */ size = gsc_readl(address + offsetof(struct sti_rom,last_addr)); raw = kmalloc(size, GFP_KERNEL); - if(raw) - sti_rom_copy(address, size, raw); + if (raw) + sti_rom_copy(address, size, raw); - return raw; + return raw; } int __init @@ -757,14 +758,14 @@ sti_read_rom(int wordmode, struct sti_struct *sti, unsigned long address) if (!cooked) goto out_err; - if (wordmode) - raw = sti_get_wmode_rom (address); - else - raw = sti_get_bmode_rom (address); + if (wordmode) + raw = sti_get_wmode_rom (address); + else + raw = sti_get_bmode_rom (address); + + if (!raw) + goto out_err; - if (!raw) - goto out_err; - if (!sti_cook_fonts(cooked, raw)) { printk(KERN_ERR "No font found for STI at %08lx\n", address); goto out_err; @@ -787,7 +788,7 @@ sti_read_rom(int wordmode, struct sti_struct *sti, unsigned long address) sti->font_width = sti->font->raw->width; sti->font_height = sti->font->raw->height; if (!wordmode) - sti->font->raw = sti_bmode_font_raw(sti->font); + sti->font->raw = sti_bmode_font_raw(sti->font); sti->sti_mem_request = raw->sti_mem_req; sti->graphics_id[0] = raw->graphics_id[0]; @@ -811,16 +812,16 @@ sti_try_rom_generic(unsigned long address, unsigned long hpa, struct pci_dev *pd u32 sig; if (num_sti_roms >= MAX_STI_ROMS) { - printk(KERN_WARNING "maximum number of STI ROMS reached !\n"); - return NULL; + printk(KERN_WARNING "maximum number of STI ROMS reached !\n"); + return NULL; } sti = kmalloc(sizeof(*sti), GFP_KERNEL); if (!sti) { - printk(KERN_ERR "Not enough memory !\n"); - return NULL; + printk(KERN_ERR "Not enough memory !\n"); + return NULL; } - + memset(sti, 0, sizeof(*sti)); spin_lock_init(&sti->lock); @@ -932,28 +933,21 @@ static void __init sticore_check_for_default_sti(struct sti_struct *sti, char *p */ static int __init sticore_pa_init(struct parisc_device *dev) { - unsigned long rom = 0; char pa_path[21]; struct sti_struct *sti = NULL; - - if(dev->num_addrs) { - rom = dev->addr[0]; - } - if (!rom) { - rom = dev->hpa; - DPRINTK((KERN_DEBUG "Trying STI ROM at %08lx, hpa at %08lx\n", rom, dev->hpa)); - sti = sti_try_rom_generic(rom, dev->hpa, NULL); - rom = PAGE0->proc_sti; - } - if (!sti) { - DPRINTK((KERN_DEBUG "Trying STI ROM at %08lx, hpa at %08lx\n", rom, dev->hpa)); - sti = sti_try_rom_generic(rom, dev->hpa, NULL); - } + int hpa = dev->hpa.start; + + if (dev->num_addrs && dev->addr[0]) + sti = sti_try_rom_generic(dev->addr[0], hpa, NULL); + if (!sti) + sti = sti_try_rom_generic(hpa, hpa, NULL); + if (!sti) + sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL); if (!sti) return 1; - + print_pa_hwpath(dev, pa_path); - sticore_check_for_default_sti (sti, pa_path); + sticore_check_for_default_sti(sti, pa_path); return 0; } |