[ALSA] Fix schedule_timeout usage
Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size. Also use
human-time conversion functions instead of hard-coded division to avoid
rounding issues.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c
index 1036876..1158806 100644
--- a/sound/isa/sscape.c
+++ b/sound/isa/sscape.c
@@ -343,19 +343,6 @@
}
/*
- * Put this process into an idle wait-state for a certain number
- * of "jiffies". The process can almost certainly be rescheduled
- * while we're waiting, and so we must NOT be holding any spinlocks
- * when we call this function. If we are then we risk DEADLOCK in
- * SMP (Ha!) or pre-emptible kernels.
- */
-static inline void sleep(long jiffs, int state)
-{
- set_current_state(state);
- schedule_timeout(jiffs);
-}
-
-/*
* Tell the SoundScape to begin a DMA tranfer using the given channel.
* All locking issues are left to the caller.
*/
@@ -392,7 +379,7 @@
unsigned long flags;
unsigned char x;
- sleep(1, TASK_INTERRUPTIBLE);
+ schedule_timeout_interruptible(1);
spin_lock_irqsave(&s->lock, flags);
x = inb(HOST_DATA_IO(s->io_base));
@@ -419,7 +406,7 @@
unsigned long flags;
unsigned char x;
- sleep(1, TASK_INTERRUPTIBLE);
+ schedule_timeout_interruptible(1);
spin_lock_irqsave(&s->lock, flags);
x = inb(HOST_DATA_IO(s->io_base));