@@ -59,7 +59,7 @@ static int soc_camera_platform_s_power(struct v4l2_subdev *sd, int on)
return soc_camera_set_power(p->icd->control, &p->icd->sdesc->subdev_desc, NULL, on);
}
-static struct v4l2_subdev_core_ops platform_subdev_core_ops = {
+static const struct v4l2_subdev_core_ops platform_subdev_core_ops = {
.s_power = soc_camera_platform_s_power,
};
@@ -110,7 +110,7 @@ static int soc_camera_platform_g_mbus_config(struct v4l2_subdev *sd,
return 0;
}
-static struct v4l2_subdev_video_ops platform_subdev_video_ops = {
+static const struct v4l2_subdev_video_ops platform_subdev_video_ops = {
.s_stream = soc_camera_platform_s_stream,
.g_mbus_config = soc_camera_platform_g_mbus_config,
};
@@ -122,7 +122,7 @@ static int soc_camera_platform_g_mbus_config(struct v4l2_subdev *sd,
.set_fmt = soc_camera_platform_fill_fmt,
};
-static struct v4l2_subdev_ops platform_subdev_ops = {
+static const struct v4l2_subdev_ops platform_subdev_ops = {
.core = &platform_subdev_core_ops,
.video = &platform_subdev_video_ops,
.pad = &platform_subdev_pad_ops,
v4l2_subdev_{core/video}_ops structures are stored in the fields of the v4l2_subdev_ops structure which are of type const. Also, v4l2_subdev_ops structure is passed to a function having its argument of type const. As these structures are never modified, so declare them as const. Done using Coccinelle:(One of the scripts) @r1 disable optional_qualifier @ identifier i; position p; @@ static struct v4l2_subdev_core_ops i@p = {...}; @ok1@ identifier r1.i; position p; struct v4l2_subdev_ops obj; @@ obj.core=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct v4l2_subdev_core_ops i; File size before: text data bss dec hex filename 858 576 0 1434 59a soc_camera/soc_camera_platform.o File size after: text data bss dec hex filename 1234 192 0 1426 592 soc_camera/soc_camera_platform.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> --- drivers/media/platform/soc_camera/soc_camera_platform.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)