diff options
| -rw-r--r-- | drivers/usb/core/hub.c | 11 | ||||
| -rw-r--r-- | drivers/usb/core/hub.h | 1 |
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 1815034ccb7..830c851384b 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2211,12 +2211,13 @@ static int hub_port_debounce(struct usb_hub *hub, int port1) return portstatus; } -static void ep0_reinit(struct usb_device *udev) +void usb_ep0_reinit(struct usb_device *udev) { usb_disable_endpoint(udev, 0 + USB_DIR_IN); usb_disable_endpoint(udev, 0 + USB_DIR_OUT); usb_enable_endpoint(udev, &udev->ep0); } +EXPORT_SYMBOL_GPL(usb_ep0_reinit); #define usb_sndaddr0pipe() (PIPE_CONTROL << 30) #define usb_rcvaddr0pipe() ((PIPE_CONTROL << 30) | USB_DIR_IN) @@ -2237,7 +2238,7 @@ static int hub_set_address(struct usb_device *udev, int devnum) if (retval == 0) { udev->devnum = devnum; /* Device now using proper address */ usb_set_device_state(udev, USB_STATE_ADDRESS); - ep0_reinit(udev); + usb_ep0_reinit(udev); } return retval; } @@ -2473,7 +2474,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, } dev_dbg(&udev->dev, "ep0 maxpacket = %d\n", i); udev->ep0.desc.wMaxPacketSize = cpu_to_le16(i); - ep0_reinit(udev); + usb_ep0_reinit(udev); } retval = usb_get_device_descriptor(udev, USB_DT_DEVICE_SIZE); @@ -2729,7 +2730,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, loop_disable: hub_port_disable(hub, port1, 1); loop: - ep0_reinit(udev); + usb_ep0_reinit(udev); release_address(udev); usb_put_dev(udev); if ((status == -ENOTCONN) || (status == -ENOTSUPP)) @@ -3164,7 +3165,7 @@ int usb_reset_device(struct usb_device *udev) /* ep0 maxpacket size may change; let the HCD know about it. * Other endpoints will be handled by re-enumeration. */ - ep0_reinit(udev); + usb_ep0_reinit(udev); ret = hub_port_init(parent_hub, udev, port1, i); if (ret >= 0 || ret == -ENOTCONN || ret == -ENODEV) break; diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index d672cd81a3e..2a116ce53c9 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -195,5 +195,6 @@ struct usb_tt_clear { }; extern void usb_hub_tt_clear_buffer(struct usb_device *dev, int pipe); +extern void usb_ep0_reinit(struct usb_device *); #endif /* __LINUX_HUB_H */ |