summaryrefslogtreecommitdiff
path: root/arch/arm/mach-exynos4
diff options
context:
space:
mode:
authorYulgon Kim <yulgon.kim@samsung.com>2011-08-18 11:40:24 (GMT)
committerKukjin Kim <kgene.kim@samsung.com>2011-08-19 11:57:39 (GMT)
commit2b431ff74a850db3d5b804be3ac466b6ed7f516d (patch)
tree85b07d6f076db7ded888a276e728e454ede14952 /arch/arm/mach-exynos4
parent3f6065dd9d2c947c8d68336f07bd721d3909a30d (diff)
downloadlinux-2b431ff74a850db3d5b804be3ac466b6ed7f516d.tar.xz
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/arm/mach-exynos4')
-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 0883c1b..39aca04 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);