linux-kernel - [PATCH] drivers:video:fbdev:omap:lcd_mipid.c: Use time comparison kernel macros

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Message-Id: <1493570563-7188-1-git-send-email-karim.eshapa@gmail.com>
Date:   Sun, 30 Apr 2017 18:42:43 +0200
From:   Karim Eshapa <karim.eshapa@...il.com>
To:     tomi.valkeinen@...com
Cc:     b.zolnierkie@...sung.com, linux-fbdev@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
        Karim Eshapa <karim.eshapa@...il.com>
Subject: [PATCH] drivers:video:fbdev:omap:lcd_mipid.c: Use time comparison kernel macros

Use time_before_eq time comparison defind kernel macro
that has safety check.

Signed-off-by: Karim Eshapa <karim.eshapa@...il.com>
---
 drivers/video/fbdev/omap/lcd_mipid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/omap/lcd_mipid.c b/drivers/video/fbdev/omap/lcd_mipid.c
index c81f150..df9e6eb 100644
--- a/drivers/video/fbdev/omap/lcd_mipid.c
+++ b/drivers/video/fbdev/omap/lcd_mipid.c
@@ -174,7 +174,7 @@ static void hw_guard_wait(struct mipid_device *md)
 {
 	unsigned long wait = md->hw_guard_end - jiffies;
 
-	if ((long)wait > 0 && wait <= md->hw_guard_wait) {
+	if ((long)wait > 0 && time_before_eq(wait,  md->hw_guard_wait)) {
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		schedule_timeout(wait);
 	}
-- 
2.7.4