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ARM: EXYNOS4: Increase reset delay for USB HOST PHY

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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);
writel(rstcon, EXYNOS4_RSTCON);
udelay(50);
udelay(80);
clk_disable(otg_clk);
clk_put(otg_clk);