Hi,

Please consider applying.

Description: Insert set_current_state() before schedule_timeout(). Without the
insertion, schedule_timeout() returns immediately, resulting in an effective
busy-wait.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Domen Puncer <domen@coderock.org>
---


 kj-domen/sound/isa/wavefront/wavefront_synth.c |    1 +
 1 files changed, 1 insertion(+)

diff -puN sound/isa/wavefront/wavefront_synth.c~set_current_state-sound_isa_wavefront_wavefront_synth sound/isa/wavefront/wavefront_synth.c
--- kj/sound/isa/wavefront/wavefront_synth.c~set_current_state-sound_isa_wavefront_wavefront_synth	2005-01-23 00:24:28.000000000 +0100
+++ kj-domen/sound/isa/wavefront/wavefront_synth.c	2005-01-23 00:24:28.000000000 +0100
@@ -1751,6 +1751,7 @@ wavefront_should_cause_interrupt (snd_wa
 	outb (val,port);
 	spin_unlock_irq(&dev->irq_lock);
 	while (1) {
+		set_current_state(TASK_INTERRUPTIBLE);
 		if ((timeout = schedule_timeout(timeout)) == 0)
 			return;
 		if (dev->irq_ok)
_