mwifiex: make use of msecs_to_jiffies()

Use msecs_to_jiffies() wherever possible.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index da469c3..74db0d2 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -250,7 +250,7 @@
 
 	/* Setup the timer after transmit command */
 	mod_timer(&adapter->cmd_timer,
-		  jiffies + (MWIFIEX_TIMER_10S * HZ) / 1000);
+		  jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S));
 
 	return 0;
 }