diff -rup linux-4.17.2-orig/arch/arm/boot/dts/rk3288.dtsi linux-4.17.2/arch/arm/boot/dts/rk3288.dtsi --- linux-4.17.2-orig/arch/arm/boot/dts/rk3288.dtsi 2018-04-20 09:21:08.000000000 +0300 +++ linux-4.17.2/arch/arm/boot/dts/rk3288.dtsi 2018-04-21 17:56:26.360024274 +0300 @@ -582,6 +582,9 @@ dr_mode = "host"; phys = <&usbphy2>; phy-names = "usb2-phy"; + resets = <&cru SRST_USBHOST1_PHY>; + reset-names = "phy-full-reset"; + snps,need-phy-full-reset-on-wake; status = "disabled"; }; diff -rup linux-4.17.2-orig/arch/arm/boot/dts/rk3288-veyron.dtsi linux-4.17.2/arch/arm/boot/dts/rk3288-veyron.dtsi --- linux-4.17.2-orig/arch/arm/boot/dts/rk3288-veyron.dtsi 2018-04-20 09:21:08.000000000 +0300 +++ linux-4.17.2/arch/arm/boot/dts/rk3288-veyron.dtsi 2018-04-21 17:47:25.796011427 +0300 @@ -429,6 +429,7 @@ &usb_host1 { status = "okay"; + snps,need-phy-for-wake; }; &usb_otg { @@ -437,6 +438,7 @@ assigned-clocks = <&cru SCLK_USBPHY480M_SRC>; assigned-clock-parents = <&usbphy0>; dr_mode = "host"; + snps,need-phy-for-wake; }; &vopb { diff -rup linux-4.17.2-orig/drivers/base/dd.c linux-4.17.2/drivers/base/dd.c --- linux-4.17.2-orig/drivers/base/dd.c 2018-04-20 09:21:08.000000000 +0300 +++ linux-4.17.2/drivers/base/dd.c 2018-04-21 13:01:30.280037034 +0300 @@ -523,6 +523,9 @@ int driver_probe_device(struct device_dr bool driver_allows_async_probing(struct device_driver *drv) { + if (drv->async_probe) + return true; + switch (drv->probe_type) { case PROBE_PREFER_ASYNCHRONOUS: return true; diff -rup linux-4.17.2-orig/drivers/usb/common/common.c linux-4.17.2/drivers/usb/common/common.c --- linux-4.17.2-orig/drivers/usb/common/common.c 2018-04-20 09:21:08.000000000 +0300 +++ linux-4.17.2/drivers/usb/common/common.c 2018-04-21 13:36:51.184087441 +0300 @@ -105,6 +105,30 @@ static const char *const usb_dr_modes[] [USB_DR_MODE_OTG] = "otg", }; +/** + * of_usb_get_dr_mode - Get dual role mode for given device_node + * @np: Pointer to the given device_node + * + * The function gets phy interface string from property 'dr_mode', + * and returns the correspondig enum usb_dr_mode + */ +enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np) +{ + const char *dr_mode; + int err, i; + + err = of_property_read_string(np, "dr_mode", &dr_mode); + if (err < 0) + return USB_DR_MODE_UNKNOWN; + + for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++) + if (!strcmp(dr_mode, usb_dr_modes[i])) + return i; + + return USB_DR_MODE_UNKNOWN; +} +EXPORT_SYMBOL_GPL(of_usb_get_dr_mode); + static enum usb_dr_mode usb_get_dr_mode_from_string(const char *str) { int ret; diff -rup linux-4.17.2-orig/drivers/usb/core/hub.c linux-4.17.2/drivers/usb/core/hub.c --- linux-4.17.2-orig/drivers/usb/core/hub.c 2018-04-20 09:21:08.000000000 +0300 +++ linux-4.17.2/drivers/usb/core/hub.c 2018-04-21 17:58:20.456026986 +0300 @@ -3063,13 +3063,14 @@ static int usb_disable_remote_wakeup(str } /* Count of wakeup-enabled devices at or below udev */ -static unsigned wakeup_enabled_descendants(struct usb_device *udev) +unsigned usb_wakeup_enabled_descendants(struct usb_device *udev) { struct usb_hub *hub = usb_hub_to_struct_hub(udev); return udev->do_remote_wakeup + (hub ? hub->wakeup_enabled_descendants : 0); } +EXPORT_SYMBOL_GPL(usb_wakeup_enabled_descendants); /* * usb_port_suspend - suspend a usb device's upstream port @@ -3178,7 +3179,7 @@ int usb_port_suspend(struct usb_device * * Therefore we will turn on the suspend feature if udev or any of its * descendants is enabled for remote wakeup. */ - else if (PMSG_IS_AUTO(msg) || wakeup_enabled_descendants(udev) > 0) + else if (PMSG_IS_AUTO(msg) || usb_wakeup_enabled_descendants(udev) > 0) status = set_port_feature(hub->hdev, port1, USB_PORT_FEAT_SUSPEND); else { @@ -3581,7 +3582,7 @@ static int hub_suspend(struct usb_interf } if (udev) hub->wakeup_enabled_descendants += - wakeup_enabled_descendants(udev); + usb_wakeup_enabled_descendants(udev); } if (hdev->do_remote_wakeup && hub->quirk_check_port_auto_suspend) { diff -rup linux-4.17.2-orig/include/linux/device.h linux-4.17.2/include/linux/device.h --- linux-4.17.2-orig/include/linux/device.h 2018-04-20 09:21:08.000000000 +0300 +++ linux-4.17.2/include/linux/device.h 2018-04-21 13:06:59.172044851 +0300 @@ -270,6 +270,7 @@ struct device_driver { bool suppress_bind_attrs; /* disables bind/unbind via sysfs */ enum probe_type probe_type; + bool async_probe; const struct of_device_id *of_match_table; const struct acpi_device_id *acpi_match_table; diff -rup linux-4.17.2-orig/include/linux/of.h linux-4.17.2/include/linux/of.h --- linux-4.17.2-orig/include/linux/of.h 2018-04-20 09:21:08.000000000 +0300 +++ linux-4.17.2/include/linux/of.h 2018-04-21 18:03:18.492034069 +0300 @@ -521,6 +521,8 @@ const char *of_prop_next_string(struct p bool of_console_check(struct device_node *dn, char *name, int index); +enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np); + #else /* CONFIG_OF */ static inline void of_core_init(void) diff -rup linux-4.17.2-orig/include/linux/usb/hcd.h linux-4.17.2/include/linux/usb/hcd.h --- linux-4.17.2-orig/include/linux/usb/hcd.h 2018-04-20 09:21:08.000000000 +0300 +++ linux-4.17.2/include/linux/usb/hcd.h 2018-04-21 18:02:33.620033003 +0300 @@ -640,6 +640,7 @@ extern wait_queue_head_t usb_kill_urb_qu #define usb_endpoint_out(ep_dir) (!((ep_dir) & USB_DIR_IN)) #ifdef CONFIG_PM +extern unsigned usb_wakeup_enabled_descendants(struct usb_device *udev); extern void usb_root_hub_lost_power(struct usb_device *rhdev); extern int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg); extern int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg);