linux-kernel - [PATCH] video: fbdev: omap2: omapfb: displays: panel-dsi-cm: Use time comparison kernel macro.

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Date:   Mon, 15 May 2017 21:14:26 +0200
From:   Karim Eshapa <karim.eshapa@...il.com>
To:     tomi.valkeinen@...com
Cc:     b.zolnierkie@...sung.com, peter.ujfalusi@...com, tj@...nel.org,
        mingo@...nel.org, linux-omap@...r.kernel.org,
        linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Karim Eshapa <karim.eshapa@...il.com>
Subject: [PATCH] video: fbdev: omap2: omapfb: displays: panel-dsi-cm: Use time comparison kernel macro.

Use time_before_eq() kernel macro for
time comparison more safe.

Signed-off-by: Karim Eshapa <karim.eshapa@...il.com>
---
 drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c
index fd2b372d..7f20bc2 100644
--- a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c
+++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c
@@ -100,7 +100,7 @@ static void hw_guard_wait(struct panel_drv_data *ddata)
 {
 	unsigned long wait = ddata->hw_guard_end - jiffies;
 
-	if ((long)wait > 0 && wait <= ddata->hw_guard_wait) {
+	if ((long)wait > 0 && time_before_eq(wait, ddata->hw_guard_wait)) {
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		schedule_timeout(wait);
 	}
-- 
2.7.4