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authorOlof Johansson <olof@lixom.net>2014-07-19 14:59:07 -0700
committerOlof Johansson <olof@lixom.net>2014-07-19 14:59:07 -0700
commit4e9816d012dbc28dc89559261c6ffbf8ffc440dd (patch)
treedee9f8b31f3d6d2fb141541da88e1cc1329b017e /drivers/gpu/drm/drm_usb.c
parentda98f44f27d81d7fe9a41f69af4fe08c18d13b56 (diff)
parent1795cd9b3a91d4b5473c97f491d63892442212ab (diff)
Merge tag 'v3.16-rc5' into next/fixes-non-critical
Linux 3.16-rc5
Diffstat (limited to 'drivers/gpu/drm/drm_usb.c')
-rw-r--r--drivers/gpu/drm/drm_usb.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/gpu/drm/drm_usb.c b/drivers/gpu/drm/drm_usb.c
index c3406aad294..f2fe94aab90 100644
--- a/drivers/gpu/drm/drm_usb.c
+++ b/drivers/gpu/drm/drm_usb.c
@@ -36,16 +36,6 @@ err_free:
}
EXPORT_SYMBOL(drm_get_usb_dev);
-static int drm_usb_get_irq(struct drm_device *dev)
-{
- return 0;
-}
-
-static const char *drm_usb_get_name(struct drm_device *dev)
-{
- return "USB";
-}
-
static int drm_usb_set_busid(struct drm_device *dev,
struct drm_master *master)
{
@@ -53,18 +43,24 @@ static int drm_usb_set_busid(struct drm_device *dev,
}
static struct drm_bus drm_usb_bus = {
- .bus_type = DRIVER_BUS_USB,
- .get_irq = drm_usb_get_irq,
- .get_name = drm_usb_get_name,
.set_busid = drm_usb_set_busid,
};
-
+
+/**
+ * drm_usb_init - Register matching USB devices with the DRM subsystem
+ * @driver: DRM device driver
+ * @udriver: USB device driver
+ *
+ * Registers one or more devices matched by a USB driver with the DRM
+ * subsystem.
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
int drm_usb_init(struct drm_driver *driver, struct usb_driver *udriver)
{
int res;
DRM_DEBUG("\n");
- driver->kdriver.usb = udriver;
driver->bus = &drm_usb_bus;
res = usb_register(udriver);
@@ -72,6 +68,14 @@ int drm_usb_init(struct drm_driver *driver, struct usb_driver *udriver)
}
EXPORT_SYMBOL(drm_usb_init);
+/**
+ * drm_usb_exit - Unregister matching USB devices from the DRM subsystem
+ * @driver: DRM device driver
+ * @udriver: USB device driver
+ *
+ * Unregisters one or more devices matched by a USB driver from the DRM
+ * subsystem.
+ */
void drm_usb_exit(struct drm_driver *driver,
struct usb_driver *udriver)
{