linux-kernel - [PATCH] staging: rts5208: pass timeout as HZ independent value

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Date:	Wed, 27 May 2015 18:02:38 +0200
From:	Nicholas Mc Guire <hofrat@...dl.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Tapasweni Pathak <tapaswenipathak@...il.com>,
	Jingoo Han <jg1.han@...sung.com>,
	iel Baluta <daniel.baluta@...el.com>,
	Hannes Reinecke <hare@...e.de>,
	Vaishali Thakkar <vthakkar1994@...il.com>,
	Fabio Falzoi <fabio.falzoi84@...il.com>,
	Haneen Mohammed <hamohammed.sa@...il.com>,
	Joe Perches <joe@...ches.com>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, Nicholas Mc Guire <hofrat@...dl.org>
Subject: [PATCH] staging: rts5208: pass timeout as HZ independent value

schedule_timeout takes a timeout in jiffies but the code currently is
passing in a constant POLLING_INTERVAL which makes this timeout HZ
dependent, so pass it through msecs_to_jiffies() to fix this up.

patch was compile tested for x86_64_defconfig + CONFIG_STAGING=y,
CONFIG_RTS5208=m

Patch is against 4.0-rc5 (localversion-next is -next-20150527)

Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
---

As there is no documentation of the intended timeout it might be wrong
to convert it with msecs_to_jiffies - so someone that knows this driver
needs to check on the actual value - but in any case it needs to be
passed in a HZ independent way.

 drivers/staging/rts5208/rtsx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rts5208/rtsx.c b/drivers/staging/rts5208/rtsx.c
index d64b6ed..1bcadba 100644
--- a/drivers/staging/rts5208/rtsx.c
+++ b/drivers/staging/rts5208/rtsx.c
@@ -537,7 +537,7 @@ static int rtsx_polling_thread(void *__dev)
 	for (;;) {
 
 		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(POLLING_INTERVAL);
+		schedule_timeout(msecs_to_jiffies(POLLING_INTERVAL));
 
 		/* lock the device pointers */
 		mutex_lock(&(dev->dev_mutex));
-- 
1.7.10.4

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