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* [patch 01/21]  video/bttv-driver: replace  schedule_timeout() with msleep()
@ 2004-09-23 20:31 janitor
  0 siblings, 0 replies; only message in thread
From: janitor @ 2004-09-23 20:31 UTC (permalink / raw)
  To: akpm; +Cc: linux-kernel, janitor, nacc







I would appreciate any comments from the janitor@sternweltens list. This is one (of
many) cases where I made a decision about replacing

set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(some_time);

with

msleep(jiffies_to_msecs(some_time));

msleep() is not exactly the same as the previous code, but I only did
this replacement where I thought long delays were *desired*. If this is
not the case here, then just disregard this patch. 

Thanks,
Nish



Description: Replace schedule_timeout() with msleep() to guarantee the
task delays for the desired time.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Maximilian Attems <janitor@sternwelten.at>

---

 linux-2.6.9-rc2-bk7-max/drivers/media/video/bttv-driver.c |    3 +--
 1 files changed, 1 insertion(+), 2 deletions(-)

diff -puN drivers/media/video/bttv-driver.c~msleep-drivers_media_video_bttv-driver drivers/media/video/bttv-driver.c
--- linux-2.6.9-rc2-bk7/drivers/media/video/bttv-driver.c~msleep-drivers_media_video_bttv-driver	2004-09-21 20:50:29.000000000 +0200
+++ linux-2.6.9-rc2-bk7-max/drivers/media/video/bttv-driver.c	2004-09-21 20:50:29.000000000 +0200
@@ -743,8 +743,7 @@ static void set_pll(struct bttv *btv)
         for (i=0; i<10; i++) {
 		/*  Let other people run while the PLL stabilizes */
 		vprintk(".");
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(HZ/50);
+		msleep(20);
 		
                 if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
 			btwrite(0,BT848_DSTATUS);
_

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2004-09-23 20:31 [patch 01/21] video/bttv-driver: replace schedule_timeout() with msleep() janitor

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