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authorJingoo Han <jg1.han@samsung.com>2012-07-18 18:50:59 +0900
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2012-07-24 20:56:18 +0000
commita2c81bc12c81189928a03a94da1565d0c14e32eb (patch)
treee9f20a421b085d2b50e780e97a10cc0bbca86008 /drivers/video/exynos/exynos_dp_reg.c
parent1f61ce508a2e88d19045aa77f90f366251419529 (diff)
downloadblackbird-op-linux-a2c81bc12c81189928a03a94da1565d0c14e32eb.tar.gz
blackbird-op-linux-a2c81bc12c81189928a03a94da1565d0c14e32eb.zip
video: exynos_dp: use usleep_range instead of delay
This patch replaces udelay and mdelay with usleep_range to remove the busy loop waiting. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video/exynos/exynos_dp_reg.c')
-rw-r--r--drivers/video/exynos/exynos_dp_reg.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c
index 6ce76d56c3a1..ce401c83f638 100644
--- a/drivers/video/exynos/exynos_dp_reg.c
+++ b/drivers/video/exynos/exynos_dp_reg.c
@@ -122,7 +122,7 @@ void exynos_dp_reset(struct exynos_dp_device *dp)
LS_CLK_DOMAIN_FUNC_EN_N;
writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
- udelay(20);
+ usleep_range(20, 30);
exynos_dp_lane_swap(dp, 0);
@@ -988,7 +988,7 @@ void exynos_dp_reset_macro(struct exynos_dp_device *dp)
writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST);
/* 10 us is the minimum reset time. */
- udelay(10);
+ usleep_range(10, 20);
reg &= ~MACRO_RST;
writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST);
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