media: v4l2-subdev: Don't use __u32 internally

Commit a8fa5507 ("media: v4l2-subdev: Verify arguments in
v4l2_subdev_call()") and commit 374d62e7 ("media: v4l2-subdev:
Verify v4l2_subdev_call() pad config argument") introduced a few local
functions, unfortunately with arguments of type __u32, reserved for use
in Linux uAPI.  Use u32 instead.
Suggested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/v4l2-core/v4l2-subdev.c

@@ -112,7 +112,7 @@ static int subdev_close(struct file *file)
 	return 0;
 }
 
-static inline int check_which(__u32 which)
+static inline int check_which(u32 which)
 {
 	if (which != V4L2_SUBDEV_FORMAT_TRY &&
 	    which != V4L2_SUBDEV_FORMAT_ACTIVE)
@@ -121,7 +121,7 @@ static inline int check_which(__u32 which)
 	return 0;
 }
 
-static inline int check_pad(struct v4l2_subdev *sd, __u32 pad)
+static inline int check_pad(struct v4l2_subdev *sd, u32 pad)
 {
 #if defined(CONFIG_MEDIA_CONTROLLER)
 	if (sd->entity.num_pads) {
@@ -136,7 +136,7 @@ static inline int check_pad(struct v4l2_subdev *sd, __u32 pad)
 	return 0;
 }
 
-static int check_cfg(__u32 which, struct v4l2_subdev_pad_config *cfg)
+static int check_cfg(u32 which, struct v4l2_subdev_pad_config *cfg)
 {
 	if (which == V4L2_SUBDEV_FORMAT_TRY && !cfg)
 		return -EINVAL;