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path: root/drivers/media/video/tm6000/tm6000-dvb.c
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Diffstat (limited to 'drivers/media/video/tm6000/tm6000-dvb.c')
-rw-r--r--drivers/media/video/tm6000/tm6000-dvb.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/media/video/tm6000/tm6000-dvb.c b/drivers/media/video/tm6000/tm6000-dvb.c
index 5e6c129a4be..e1f3f66e1e6 100644
--- a/drivers/media/video/tm6000/tm6000-dvb.c
+++ b/drivers/media/video/tm6000/tm6000-dvb.c
@@ -89,9 +89,19 @@ static void tm6000_urb_received(struct urb *urb)
int ret;
struct tm6000_core *dev = urb->context;
- if (urb->status != 0)
+ switch (urb->status) {
+ case 0:
+ case -ETIMEDOUT:
+ break;
+ case -ENOENT:
+ case -ECONNRESET:
+ case -ESHUTDOWN:
+ return;
+ default:
print_err_status(dev, 0, urb->status);
- else if (urb->actual_length > 0)
+ }
+
+ if (urb->actual_length > 0)
dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
urb->actual_length);
@@ -151,7 +161,7 @@ static int tm6000_start_stream(struct tm6000_core *dev)
printk(KERN_ERR "tm6000: pipe resetted\n");
/* mutex_lock(&tm6000_driver.open_close_mutex); */
- ret = usb_submit_urb(dvb->bulk_urb, GFP_KERNEL);
+ ret = usb_submit_urb(dvb->bulk_urb, GFP_ATOMIC);
/* mutex_unlock(&tm6000_driver.open_close_mutex); */
if (ret) {
@@ -396,6 +406,11 @@ static int dvb_init(struct tm6000_core *dev)
if (!dev->caps.has_dvb)
return 0;
+ if (dev->udev->speed == USB_SPEED_FULL) {
+ printk(KERN_INFO "This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)\n");
+ return 0;
+ }
+
dvb = kzalloc(sizeof(struct tm6000_dvb), GFP_KERNEL);
if (!dvb) {
printk(KERN_INFO "Cannot allocate memory\n");