From: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Since msleep(2) can sleep up to 20ms anyway, make this explicit by using
usleep_range(2000, 20000).
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
---
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 d0e3bc3c53e7..d5de8bb5c803 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;
--
1.8.3.1
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
