Before taking core out of reset phy must be stable. So wait for 100ms after clear phy reset. Signed-off-by: Pratyush Anand <pratyush.anand@xxxxxx> --- drivers/usb/dwc3/core.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 22185c3..75ba2f8 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -148,6 +148,8 @@ static void dwc3_core_soft_reset(struct dwc3 *dwc) reg &= ~DWC3_GUSB2PHYCFG_PHYSOFTRST; dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); + mdelay(100); + /* After PHYs are stable we can take Core out of reset state */ reg = dwc3_readl(dwc->regs, DWC3_GCTL); reg &= ~DWC3_GCTL_CORESOFTRESET; -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
