>> diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c >> index 27115b4..46abdb8 100644 >> --- a/drivers/usb/core/hub.c >> +++ b/drivers/usb/core/hub.c >> @@ -21,6 +21,7 @@ >> #include <linux/usbdevice_fs.h> >> #include <linux/usb/hcd.h> >> #include <linux/usb/quirks.h> >> +#include <linux/usb/otg.h> >> #include <linux/kthread.h> >> #include <linux/mutex.h> >> #include <linux/freezer.h> >> @@ -1607,6 +1608,11 @@ void usb_disconnect(struct usb_device **pdev) >> */ >> device_del(&udev->dev); >> >> + /* Notify OTG disconnect event, only for USB device which is >> + * directly connected to root hub */ >> + if (udev->parent && udev->parent->parent == NULL) >> + otg_notify_event(USB_OTG_DISCON); > >I thought we went through this already, why not just use the _existing_ >notification process? No need to create your own here. > Hi Greg, Thanks for your help on code review. Could you help to tell me which existing notification process is recommended for this purpose? Thanks in advance.:) Hao -- 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
