From eafeacf1196447dac0b8c40e77e96a81b74b8f7f Mon Sep 17 00:00:00 2001 From: Thinh Nguyen Date: Wed, 7 Nov 2018 18:10:30 -0800 Subject: [PATCH] usb: dwc3: Set GUSB2PHYCFG.ENBLSLPM GUSB2PHYCFG.ENBLSLPM enables the controller to assert low power signals to the PHY. Unless disabled via device property, explicitly set GUSB2PHYCFG.ENBLSLPM as it may not be set by default. Signed-off-by: Thinh Nguyen Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 2f2048aa5fde..077f60baa12d 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -661,6 +661,8 @@ static int dwc3_phy_setup(struct dwc3 *dwc) if (dwc->dis_enblslpm_quirk) reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM; + else + reg |= DWC3_GUSB2PHYCFG_ENBLSLPM; if (dwc->dis_u2_freeclk_exists_quirk) reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS; -- 2.45.2