drm/udl: introduce a macro to convert dev to udl.

This just makes it easier to later embed drm into udl.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190405031715.5959-3-airlied@gmail.com

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c
index 1f8ef34ade24..862c099d7c4c 100644
--- a/drivers/gpu/drm/udl/udl_main.c
+++ b/drivers/gpu/drm/udl/udl_main.c
@@ -30,7 +30,7 @@
 static int udl_parse_vendor_descriptor(struct drm_device *dev,
                                        struct usb_device *usbdev)
 {
-        struct udl_device *udl = dev->dev_private;
+        struct udl_device *udl = to_udl(dev);
         char *desc;
         char *buf;
         char *desc_end;
@@ -166,7 +166,7 @@ void udl_urb_completion(struct urb *urb)
 
 static void udl_free_urb_list(struct drm_device *dev)
 {
-        struct udl_device *udl = dev->dev_private;
+        struct udl_device *udl = to_udl(dev);
         int count = udl->urbs.count;
         struct list_head *node;
         struct urb_node *unode;
@@ -199,7 +199,7 @@ static void udl_free_urb_list(struct drm_device *dev)
 
 static int udl_alloc_urb_list(struct drm_device *dev, int count, size_t size)
 {
-        struct udl_device *udl = dev->dev_private;
+        struct udl_device *udl = to_udl(dev);
         struct urb *urb;
         struct urb_node *unode;
         char *buf;
@@ -263,7 +263,7 @@ retry:
 
 struct urb *udl_get_urb(struct drm_device *dev)
 {
-        struct udl_device *udl = dev->dev_private;
+        struct udl_device *udl = to_udl(dev);
         int ret = 0;
         struct list_head *entry;
         struct urb_node *unode;
@@ -296,7 +296,7 @@ error:
 
 int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len)
 {
-        struct udl_device *udl = dev->dev_private;
+        struct udl_device *udl = to_udl(dev);
         int ret;
 
         BUG_ON(len > udl->urbs.size);
@@ -371,7 +371,7 @@ int udl_drop_usb(struct drm_device *dev)
 
 void udl_driver_unload(struct drm_device *dev)
 {
-        struct udl_device *udl = dev->dev_private;
+        struct udl_device *udl = to_udl(dev);
 
         drm_kms_helper_poll_fini(dev);