Phy may need to change settings when port connect change. Signed-off-by: Richard Zhao <richard.zhao@xxxxxxxxxxxxx> --- drivers/usb/core/hub.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 04fb834..e1a6d31 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -20,6 +20,7 @@ #include <linux/usb.h> #include <linux/usbdevice_fs.h> #include <linux/usb/hcd.h> +#include <linux/usb/otg.h> #include <linux/usb/quirks.h> #include <linux/kthread.h> #include <linux/mutex.h> @@ -4034,6 +4035,13 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, } } + if (unlikely(hcd->phy && !hdev->level)) { + if (portstatus & USB_PORT_STAT_CONNECTION) + usb_phy_notify_connect(hcd->phy, port1); + else + usb_phy_notify_disconnect(hcd->phy, port1); + } + /* Return now if debouncing failed or nothing is connected or * the device was "removed". */ -- 1.7.9.5 -- 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