Jingoo Han wrote: > > From: Yulgon Kim <yulgon.kim@xxxxxxxxxxx> > > 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@xxxxxxxxxxx> > Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx> > --- > 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 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); > -- > 1.7.1 OK, will apply. But I'm not sure why extra time is required on current kernel not on old kernel... Thanks. Best regards, Kgene. -- Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
 |