[ALSA] Fix-up sleeping in sound/usb
USB generic driver,USB USX2Y
Description: Fix-up sleeping in sound/usb. Replace big_mdelay() with
msleep() to guarantee the task delays as expected. This also involved
replacing/removing custom sleep functions.
Patch is compile-tested.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 3eaa08e..f2b760d 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -792,7 +792,7 @@
*/
static int wait_clear_urbs(snd_usb_substream_t *subs)
{
- int timeout = HZ;
+ unsigned long end_time = jiffies + msecs_to_jiffies(1000);
unsigned int i;
int alive;
@@ -812,7 +812,7 @@
break;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(1);
- } while (--timeout > 0);
+ } while (time_before(jiffies, end_time));
if (alive)
snd_printk(KERN_ERR "timeout: still %d active urbs..\n", alive);
return 0;