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| author | Yulgon Kim <yulgon.kim@samsung.com> | 2011-08-18 20:40:24 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-08-19 20:57:39 +0900 |
| commit | 2b431ff74a850db3d5b804be3ac466b6ed7f516d (patch) | |
| tree | 85b07d6f076db7ded888a276e728e454ede14952 /arch | |
| parent | 3f6065dd9d2c947c8d68336f07bd721d3909a30d (diff) | |
| download | linux-stable-2b431ff74a850db3d5b804be3ac466b6ed7f516d.tar.gz linux-stable-2b431ff74a850db3d5b804be3ac466b6ed7f516d.tar.bz2 linux-stable-2b431ff74a850db3d5b804be3ac466b6ed7f516d.zip | |
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.c | 2 |
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 0883c1b824b9..39aca045f660 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); |