diff options
Diffstat (limited to 'drivers/usb/wusbcore/wa-rpipe.c')
-rw-r--r-- | drivers/usb/wusbcore/wa-rpipe.c | 68 |
1 files changed, 17 insertions, 51 deletions
diff --git a/drivers/usb/wusbcore/wa-rpipe.c b/drivers/usb/wusbcore/wa-rpipe.c index f18e4aae66e9..7369655f69cd 100644 --- a/drivers/usb/wusbcore/wa-rpipe.c +++ b/drivers/usb/wusbcore/wa-rpipe.c @@ -60,13 +60,10 @@ #include <linux/init.h> #include <asm/atomic.h> #include <linux/bitmap.h> + #include "wusbhc.h" #include "wa-hc.h" -#define D_LOCAL 0 -#include <linux/uwb/debug.h> - - static int __rpipe_get_descr(struct wahc *wa, struct usb_rpipe_descriptor *descr, u16 index) { @@ -76,7 +73,6 @@ static int __rpipe_get_descr(struct wahc *wa, /* Get the RPIPE descriptor -- we cannot use the usb_get_descriptor() * function because the arguments are different. */ - d_printf(1, dev, "rpipe %u: get descr\n", index); result = usb_control_msg( wa->usb_dev, usb_rcvctrlpipe(wa->usb_dev, 0), USB_REQ_GET_DESCRIPTOR, @@ -115,7 +111,6 @@ static int __rpipe_set_descr(struct wahc *wa, /* we cannot use the usb_get_descriptor() function because the * arguments are different. */ - d_printf(1, dev, "rpipe %u: set descr\n", index); result = usb_control_msg( wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0), USB_REQ_SET_DESCRIPTOR, @@ -174,13 +169,12 @@ void rpipe_destroy(struct kref *_rpipe) { struct wa_rpipe *rpipe = container_of(_rpipe, struct wa_rpipe, refcnt); u8 index = le16_to_cpu(rpipe->descr.wRPipeIndex); - d_fnstart(1, NULL, "(rpipe %p %u)\n", rpipe, index); + if (rpipe->ep) rpipe->ep->hcpriv = NULL; rpipe_put_idx(rpipe->wa, index); wa_put(rpipe->wa); kfree(rpipe); - d_fnend(1, NULL, "(rpipe %p %u)\n", rpipe, index); } EXPORT_SYMBOL_GPL(rpipe_destroy); @@ -202,7 +196,6 @@ static int rpipe_get_idle(struct wa_rpipe **prpipe, struct wahc *wa, u8 crs, struct wa_rpipe *rpipe; struct device *dev = &wa->usb_iface->dev; - d_fnstart(3, dev, "(wa %p crs 0x%02x)\n", wa, crs); rpipe = kzalloc(sizeof(*rpipe), gfp); if (rpipe == NULL) return -ENOMEM; @@ -223,14 +216,12 @@ static int rpipe_get_idle(struct wa_rpipe **prpipe, struct wahc *wa, u8 crs, } *prpipe = NULL; kfree(rpipe); - d_fnend(3, dev, "(wa %p crs 0x%02x) = -ENXIO\n", wa, crs); return -ENXIO; found: set_bit(rpipe_idx, wa->rpipe_bm); rpipe->wa = wa_get(wa); *prpipe = rpipe; - d_fnstart(3, dev, "(wa %p crs 0x%02x) = 0\n", wa, crs); return 0; } @@ -239,7 +230,6 @@ static int __rpipe_reset(struct wahc *wa, unsigned index) int result; struct device *dev = &wa->usb_iface->dev; - d_printf(1, dev, "rpipe %u: reset\n", index); result = usb_control_msg( wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0), USB_REQ_RPIPE_RESET, @@ -276,7 +266,6 @@ static struct usb_wireless_ep_comp_descriptor *rpipe_epc_find( struct usb_descriptor_header *hdr; struct usb_wireless_ep_comp_descriptor *epcd; - d_fnstart(3, dev, "(ep %p)\n", ep); if (ep->desc.bEndpointAddress == 0) { epcd = &epc0; goto out; @@ -310,7 +299,6 @@ static struct usb_wireless_ep_comp_descriptor *rpipe_epc_find( itr_size -= hdr->bDescriptorType; } out: - d_fnend(3, dev, "(ep %p) = %p\n", ep, epcd); return epcd; } @@ -329,8 +317,6 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa, struct usb_wireless_ep_comp_descriptor *epcd; u8 unauth; - d_fnstart(3, dev, "(rpipe %p wa %p ep %p, urb %p)\n", - rpipe, wa, ep, urb); epcd = rpipe_epc_find(dev, ep); if (epcd == NULL) { dev_err(dev, "ep 0x%02x: can't find companion descriptor\n", @@ -350,10 +336,12 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa, /* FIXME: use maximum speed as supported or recommended by device */ rpipe->descr.bSpeed = usb_pipeendpoint(urb->pipe) == 0 ? UWB_PHY_RATE_53 : UWB_PHY_RATE_200; - d_printf(2, dev, "addr %u (0x%02x) rpipe #%u ep# %u speed %d\n", - urb->dev->devnum, urb->dev->devnum | unauth, - le16_to_cpu(rpipe->descr.wRPipeIndex), - usb_pipeendpoint(urb->pipe), rpipe->descr.bSpeed); + + dev_dbg(dev, "addr %u (0x%02x) rpipe #%u ep# %u speed %d\n", + urb->dev->devnum, urb->dev->devnum | unauth, + le16_to_cpu(rpipe->descr.wRPipeIndex), + usb_pipeendpoint(urb->pipe), rpipe->descr.bSpeed); + /* see security.c:wusb_update_address() */ if (unlikely(urb->dev->devnum == 0x80)) rpipe->descr.bDeviceAddress = 0; @@ -384,8 +372,6 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa, } result = 0; error: - d_fnend(3, dev, "(rpipe %p wa %p ep %p urb %p) = %d\n", - rpipe, wa, ep, urb, result); return result; } @@ -405,8 +391,6 @@ static int rpipe_check_aim(const struct wa_rpipe *rpipe, const struct wahc *wa, u8 unauth = (usb_dev->wusb && !usb_dev->authenticated) ? 0x80 : 0; u8 portnum = wusb_port_no_to_idx(urb->dev->portnum); - d_fnstart(3, dev, "(rpipe %p wa %p ep %p, urb %p)\n", - rpipe, wa, ep, urb); #define AIM_CHECK(rdf, val, text) \ do { \ if (rpipe->descr.rdf != (val)) { \ @@ -451,8 +435,6 @@ int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep, struct wa_rpipe *rpipe; u8 eptype; - d_fnstart(3, dev, "(wa %p ep %p urb %p gfp 0x%08x)\n", wa, ep, urb, - gfp); mutex_lock(&wa->rpipe_mutex); rpipe = ep->hcpriv; if (rpipe != NULL) { @@ -462,9 +444,9 @@ int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep, goto error; } __rpipe_get(rpipe); - d_printf(2, dev, "ep 0x%02x: reusing rpipe %u\n", - ep->desc.bEndpointAddress, - le16_to_cpu(rpipe->descr.wRPipeIndex)); + dev_dbg(dev, "ep 0x%02x: reusing rpipe %u\n", + ep->desc.bEndpointAddress, + le16_to_cpu(rpipe->descr.wRPipeIndex)); } else { /* hmm, assign idle rpipe, aim it */ result = -ENOBUFS; @@ -480,14 +462,12 @@ int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep, ep->hcpriv = rpipe; rpipe->ep = ep; __rpipe_get(rpipe); /* for caching into ep->hcpriv */ - d_printf(2, dev, "ep 0x%02x: using rpipe %u\n", - ep->desc.bEndpointAddress, - le16_to_cpu(rpipe->descr.wRPipeIndex)); + dev_dbg(dev, "ep 0x%02x: using rpipe %u\n", + ep->desc.bEndpointAddress, + le16_to_cpu(rpipe->descr.wRPipeIndex)); } - d_dump(4, dev, &rpipe->descr, sizeof(rpipe->descr)); error: mutex_unlock(&wa->rpipe_mutex); - d_fnend(3, dev, "(wa %p ep %p urb %p gfp 0x%08x)\n", wa, ep, urb, gfp); return result; } @@ -507,7 +487,7 @@ int wa_rpipes_create(struct wahc *wa) void wa_rpipes_destroy(struct wahc *wa) { struct device *dev = &wa->usb_iface->dev; - d_fnstart(3, dev, "(wa %p)\n", wa); + if (!bitmap_empty(wa->rpipe_bm, wa->rpipes)) { char buf[256]; WARN_ON(1); @@ -515,7 +495,6 @@ void wa_rpipes_destroy(struct wahc *wa) dev_err(dev, "BUG: pipes not released on exit: %s\n", buf); } kfree(wa->rpipe_bm); - d_fnend(3, dev, "(wa %p)\n", wa); } /* @@ -530,33 +509,20 @@ void wa_rpipes_destroy(struct wahc *wa) */ void rpipe_ep_disable(struct wahc *wa, struct usb_host_endpoint *ep) { - struct device *dev = &wa->usb_iface->dev; struct wa_rpipe *rpipe; - d_fnstart(2, dev, "(wa %p ep %p)\n", wa, ep); + mutex_lock(&wa->rpipe_mutex); rpipe = ep->hcpriv; if (rpipe != NULL) { - unsigned rc = atomic_read(&rpipe->refcnt.refcount); - int result; u16 index = le16_to_cpu(rpipe->descr.wRPipeIndex); - if (rc != 1) - d_printf(1, dev, "(wa %p ep %p) rpipe %p refcnt %u\n", - wa, ep, rpipe, rc); - - d_printf(1, dev, "rpipe %u: abort\n", index); - result = usb_control_msg( + usb_control_msg( wa->usb_dev, usb_rcvctrlpipe(wa->usb_dev, 0), USB_REQ_RPIPE_ABORT, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_RPIPE, 0, index, NULL, 0, 1000 /* FIXME: arbitrary */); - if (result < 0 && result != -ENODEV /* dev is gone */) - d_printf(1, dev, "(wa %p rpipe %u): abort failed: %d\n", - wa, index, result); rpipe_put(rpipe); } mutex_unlock(&wa->rpipe_mutex); - d_fnend(2, dev, "(wa %p ep %p)\n", wa, ep); - return; } EXPORT_SYMBOL_GPL(rpipe_ep_disable); |