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ARM: EXYNOS4: Increase reset delay for USB HOST PHY 

This patch increases reset delay from 50 usec to 80 usec for
USB HOST PHY. In order to reset USB HOST PHY controller properly,
a little extra time is required during its reset cycle.

Signed-off-by: Yulgon Kim <yulgon.kim@samsung.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Yulgon Kim 2011-08-18 20:40:24 +09:00 committed by Kukjin Kim
parent 3f6065dd9d
commit 2b431ff74a
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-exynos4/setup-usb-phy.c
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@ -82,7 +82,7 @@ static int exynos4_usb_phy1_init(struct platform_device *pdev)
rstcon &= ~(HOST_LINK_PORT_SWRST_MASK | PHY1_SWRST_MASK); rstcon &= ~(HOST_LINK_PORT_SWRST_MASK | PHY1_SWRST_MASK);
writel(rstcon, EXYNOS4_RSTCON); writel(rstcon, EXYNOS4_RSTCON);
udelay(50); udelay(80);
clk_disable(otg_clk); clk_disable(otg_clk);
clk_put(otg_clk); clk_put(otg_clk);