From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philipp Zabel Date: Tue, 25 Feb 2014 11:43:42 +0000 Subject: [PATCH 2/3] imx-drm: ipu-dc: Use usleep_range instead of msleep Message-Id: <1393328624-28013-3-git-send-email-p.zabel@pengutronix.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org Since msleep(2) can sleep up to 20ms anyway, make this explicit by using usleep_range(2000, 20000). Signed-off-by: Philipp Zabel --- 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 d0e3bc3..d5de8bb 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; -- 1.8.5.3