From 6344475f53977d329ec50f49805fd4ab83df4011 Mon Sep 17 00:00:00 2001 From: Sekhar Nori Date: Mon, 31 Aug 2015 21:09:08 +0530 Subject: [PATCH] usb: dwc3: support for pinctrl state change during system sleep Add support for USB DRVVBUS pinctrl state change during suspend/resume. This helps is conserving power during system sleep. Signed-off-by: Sekhar Nori Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 6270581fc7a9..cfbcebe2cf8f 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include @@ -1125,6 +1126,8 @@ static int dwc3_suspend(struct device *dev) phy_exit(dwc->usb2_generic_phy); phy_exit(dwc->usb3_generic_phy); + pinctrl_pm_select_sleep_state(dev); + return 0; } @@ -1134,6 +1137,8 @@ static int dwc3_resume(struct device *dev) unsigned long flags; int ret; + pinctrl_pm_select_default_state(dev); + usb_phy_init(dwc->usb3_phy); usb_phy_init(dwc->usb2_phy); ret = phy_init(dwc->usb2_generic_phy);