usb: dwc3: support for pinctrl state change during system sleep (6344475f) · Commits · 戴 / test

Add support for USB DRVVBUS pinctrl state change during suspend/resume. This helps is conserving power during system sleep. Signed-off-by:

drivers/usb/dwc3/core.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -34,6 +34,7 @@
		#include <linux/dma-mapping.h>
		#include <linux/of.h>
		#include <linux/acpi.h>
		#include <linux/pinctrl/consumer.h>

		#include <linux/usb/ch9.h>
		#include <linux/usb/gadget.h>
		@@ -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);