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path: root/drivers/isdn/hisax/st5481_usb.c
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Diffstat (limited to 'drivers/isdn/hisax/st5481_usb.c')
-rw-r--r--drivers/isdn/hisax/st5481_usb.c70
1 files changed, 43 insertions, 27 deletions
diff --git a/drivers/isdn/hisax/st5481_usb.c b/drivers/isdn/hisax/st5481_usb.c
index ab62223297a..ffd5b2d4555 100644
--- a/drivers/isdn/hisax/st5481_usb.c
+++ b/drivers/isdn/hisax/st5481_usb.c
@@ -132,11 +132,15 @@ static void usb_ctrl_complete(struct urb *urb, struct pt_regs *regs)
struct ctrl_msg *ctrl_msg;
if (unlikely(urb->status < 0)) {
- if (urb->status != -ENOENT && urb->status != -ESHUTDOWN) {
- WARN("urb status %d",urb->status);
- } else {
- DBG(1,"urb killed");
- return; // Give up
+ switch (urb->status) {
+ case -ENOENT:
+ case -ESHUTDOWN:
+ case -ECONNRESET:
+ DBG(1,"urb killed status %d", urb->status);
+ return; // Give up
+ default:
+ WARN("urb status %d",urb->status);
+ break;
}
}
@@ -184,22 +188,22 @@ static void usb_int_complete(struct urb *urb, struct pt_regs *regs)
int status;
switch (urb->status) {
- case 0:
- /* success */
- break;
- case -ECONNRESET:
- case -ENOENT:
- case -ESHUTDOWN:
- /* this urb is terminated, clean up */
- DBG(1, "urb shutting down with status: %d", urb->status);
- return;
- default:
- WARN("nonzero urb status received: %d", urb->status);
- goto exit;
+ case 0:
+ /* success */
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* this urb is terminated, clean up */
+ DBG(2, "urb shutting down with status: %d", urb->status);
+ return;
+ default:
+ WARN("nonzero urb status received: %d", urb->status);
+ goto exit;
}
- DBG_PACKET(1, data, INT_PKT_SIZE);
+ DBG_PACKET(2, data, INT_PKT_SIZE);
if (urb->actual_length == 0) {
goto exit;
@@ -250,7 +254,7 @@ int st5481_setup_usb(struct st5481_adapter *adapter)
struct urb *urb;
u8 *buf;
- DBG(1,"");
+ DBG(2,"");
if ((status = usb_reset_configuration (dev)) < 0) {
WARN("reset_configuration failed,status=%d",status);
@@ -330,15 +334,17 @@ void st5481_release_usb(struct st5481_adapter *adapter)
DBG(1,"");
// Stop and free Control and Interrupt URBs
- usb_unlink_urb(ctrl->urb);
+ usb_kill_urb(ctrl->urb);
if (ctrl->urb->transfer_buffer)
kfree(ctrl->urb->transfer_buffer);
usb_free_urb(ctrl->urb);
+ ctrl->urb = NULL;
- usb_unlink_urb(intr->urb);
+ usb_kill_urb(intr->urb);
if (intr->urb->transfer_buffer)
kfree(intr->urb->transfer_buffer);
usb_free_urb(intr->urb);
+ ctrl->urb = NULL;
}
/*
@@ -406,6 +412,7 @@ fill_isoc_urb(struct urb *urb, struct usb_device *dev,
spin_lock_init(&urb->lock);
urb->dev=dev;
urb->pipe=pipe;
+ urb->interval = 1;
urb->transfer_buffer=buf;
urb->number_of_packets = num_packets;
urb->transfer_buffer_length=num_packets*packet_size;
@@ -452,7 +459,9 @@ st5481_setup_isocpipes(struct urb* urb[2], struct usb_device *dev,
if (urb[j]) {
if (urb[j]->transfer_buffer)
kfree(urb[j]->transfer_buffer);
+ urb[j]->transfer_buffer = NULL;
usb_free_urb(urb[j]);
+ urb[j] = NULL;
}
}
return retval;
@@ -463,10 +472,11 @@ void st5481_release_isocpipes(struct urb* urb[2])
int j;
for (j = 0; j < 2; j++) {
- usb_unlink_urb(urb[j]);
+ usb_kill_urb(urb[j]);
if (urb[j]->transfer_buffer)
kfree(urb[j]->transfer_buffer);
usb_free_urb(urb[j]);
+ urb[j] = NULL;
}
}
@@ -485,11 +495,15 @@ static void usb_in_complete(struct urb *urb, struct pt_regs *regs)
int len, count, status;
if (unlikely(urb->status < 0)) {
- if (urb->status != -ENOENT && urb->status != -ESHUTDOWN) {
- WARN("urb status %d",urb->status);
- } else {
- DBG(1,"urb killed");
- return; // Give up
+ switch (urb->status) {
+ case -ENOENT:
+ case -ESHUTDOWN:
+ case -ECONNRESET:
+ DBG(1,"urb killed status %d", urb->status);
+ return; // Give up
+ default:
+ WARN("urb status %d",urb->status);
+ break;
}
}
@@ -631,7 +645,9 @@ void st5481_in_mode(struct st5481_in *in, int mode)
in->mode = mode;
+ in->urb[0]->transfer_flags |= URB_ASYNC_UNLINK;
usb_unlink_urb(in->urb[0]);
+ in->urb[1]->transfer_flags |= URB_ASYNC_UNLINK;
usb_unlink_urb(in->urb[1]);
if (in->mode != L1_MODE_NULL) {