linux-kernel - [PATCH 2/3] staging: i4l: pcbit: edss1: use setup_timer() and mod

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Date:	Wed, 11 May 2016 19:25:00 +0530
From:	Muhammad Falak R Wani <falakreyaz@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Karsten Keil <isdn@...ux-pingi.de>, Arnd Bergmann <arnd@...db.de>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] staging: i4l: pcbit: edss1: use setup_timer() and mod_timer().

Use setup_timer() instead of init_timer(), being the preferred/standard
way to set a timer up.

Also, quoting the mod_timer() function comment:
-> mod_timer() is a more efficient way to update the expire field of an
   active timer (if the timer is inactive it will be activated).

Use setup_timer and mod_timer to setup and arm a timer, to make the code
cleaner and easier to read.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@...il.com>
---
 drivers/staging/i4l/pcbit/edss1.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/i4l/pcbit/edss1.c b/drivers/staging/i4l/pcbit/edss1.c
index e72c164..6d291d5 100644
--- a/drivers/staging/i4l/pcbit/edss1.c
+++ b/drivers/staging/i4l/pcbit/edss1.c
@@ -298,11 +298,8 @@ void pcbit_fsm_event(struct pcbit_dev *dev, struct pcbit_chan *chan,
 			break;
 
 	if (tentry->init != 0xff) {
-		init_timer(&chan->fsm_timer);
-		chan->fsm_timer.function = &pcbit_fsm_timer;
-		chan->fsm_timer.data = (ulong) chan;
-		chan->fsm_timer.expires = jiffies + tentry->timeout * HZ;
-		add_timer(&chan->fsm_timer);
+		setup_timer(&chan->fsm_timer, &pcbit_fsm_timer, (ulong)chan);
+		mod_timer(&chan->fsm_timer, jiffies + tentry->timeout * HZ);
 	}
 
 	spin_unlock_irqrestore(&dev->lock, flags);
-- 
1.9.1