From 1f15b69b597087937f370179661cc468f46ce545 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Tue, 25 Feb 2014 12:43:42 +0100
Subject: [PATCH] imx-drm: ipu-dc: Use usleep_range instead of msleep
Since msleep(2) can sleep up to 20ms anyway, make this explicit by using
usleep_range(2000, 20000).
Signed-off-by: Philipp Zabel
Signed-off-by: Greg Kroah-Hartman
---
drivers/staging/imx-drm/ipu-v3/ipu-dc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dc.c b/drivers/staging/imx-drm/ipu-v3/ipu-dc.c
index d0e3bc3c53e..d5de8bb5c80 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-dc.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-dc.c
@@ -262,7 +262,7 @@ void ipu_dc_disable_channel(struct ipu_dc *dc)
/* Wait for DC triple buffer to empty */
while ((readl(priv->dc_reg + DC_STAT) & val) != val) {
- msleep(2);
+ usleep_range(2000, 20000);
timeout -= 2;
if (timeout <= 0)
break;
--
2.46.0