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authorYulgon Kim <yulgon.kim@samsung.com>2011-08-18 20:40:24 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-08-19 20:57:39 +0900
commit2b431ff74a850db3d5b804be3ac466b6ed7f516d (patch)
tree85b07d6f076db7ded888a276e728e454ede14952 /arch
parent3f6065dd9d2c947c8d68336f07bd721d3909a30d (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-exynos4/setup-usb-phy.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-exynos4/setup-usb-phy.c b/arch/arm/mach-exynos4/setup-usb-phy.c
index 0883c1b824b..39aca045f66 100644
--- a/arch/arm/mach-exynos4/setup-usb-phy.c
+++ b/arch/arm/mach-exynos4/setup-usb-phy.c
@@ -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);