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* [PATCH] rtc: rtc-nuc900: fix loop timeout test
@ 2017-06-23  8:29 Dan Carpenter
  2017-07-05 21:09 ` Alexandre Belloni
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2017-06-23  8:29 UTC (permalink / raw)
  To: Wan ZongShun
  Cc: Alessandro Zummo, Alexandre Belloni, linux-rtc, kernel-janitors

We should change this post-op to a pre-op because we want the loop to
exit with "timeout" set to zero.

Fixes: 0a89b55364e0 ("nuc900/rtc: change the waiting for device ready implement")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c
index b1b6b3041bfb..4ed81117cf5f 100644
--- a/drivers/rtc/rtc-nuc900.c
+++ b/drivers/rtc/rtc-nuc900.c
@@ -93,7 +93,7 @@ static int *check_rtc_access_enable(struct nuc900_rtc *nuc900_rtc)
 	__raw_writel(AERPOWERON, nuc900_rtc->rtc_reg + REG_RTC_AER);
 
 	while (!(__raw_readl(nuc900_rtc->rtc_reg + REG_RTC_AER) & AERRWENB)
-								&& timeout--)
+								&& --timeout)
 		mdelay(1);
 
 	if (!timeout)

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] rtc: rtc-nuc900: fix loop timeout test
  2017-06-23  8:29 [PATCH] rtc: rtc-nuc900: fix loop timeout test Dan Carpenter
@ 2017-07-05 21:09 ` Alexandre Belloni
  0 siblings, 0 replies; 2+ messages in thread
From: Alexandre Belloni @ 2017-07-05 21:09 UTC (permalink / raw)
  To: Dan Carpenter; +Cc: Wan ZongShun, Alessandro Zummo, linux-rtc, kernel-janitors

On 23/06/2017 at 11:29:00 +0300, Dan Carpenter wrote:
> We should change this post-op to a pre-op because we want the loop to
> exit with "timeout" set to zero.
> 
> Fixes: 0a89b55364e0 ("nuc900/rtc: change the waiting for device ready implement")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
Applied, thanks.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

^ permalink raw reply	[flat|nested] 2+ messages in thread

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