* [PATCH] spi: core: Replace msleep with usleep_range to get more accurate sleep time
@ 2014-02-21 1:15 Axel Lin
2014-02-23 4:40 ` Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2014-02-21 1:15 UTC (permalink / raw)
To: Mark Brown; +Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA
Fixes below checkpatch warning:
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+ msleep(10);
Signed-off-by: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
---
drivers/spi/spi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 2b664c8..055580f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1078,7 +1078,7 @@ static int spi_stop_queue(struct spi_master *master)
*/
while ((!list_empty(&master->queue) || master->busy) && limit--) {
spin_unlock_irqrestore(&master->queue_lock, flags);
- msleep(10);
+ usleep_range(10000, 11000);
spin_lock_irqsave(&master->queue_lock, flags);
}
--
1.8.1.2
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* Re: [PATCH] spi: core: Replace msleep with usleep_range to get more accurate sleep time
2014-02-21 1:15 [PATCH] spi: core: Replace msleep with usleep_range to get more accurate sleep time Axel Lin
@ 2014-02-23 4:40 ` Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2014-02-23 4:40 UTC (permalink / raw)
To: Axel Lin; +Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA
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On Fri, Feb 21, 2014 at 09:15:18AM +0800, Axel Lin wrote:
> Fixes below checkpatch warning:
> WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
> + msleep(10);
Applied, thanks, though really we don't care how long the delay is.
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2014-02-23 4:40 ` Mark Brown
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