@@ -1695,7 +1695,7 @@ static int fimc_subdev_set_selection(struct v4l2_subdev *sd,
return 0;
}
-static struct v4l2_subdev_pad_ops fimc_subdev_pad_ops = {
+static const struct v4l2_subdev_pad_ops fimc_subdev_pad_ops = {
.enum_mbus_code = fimc_subdev_enum_mbus_code,
.get_selection = fimc_subdev_get_selection,
.set_selection = fimc_subdev_set_selection,
@@ -1703,7 +1703,7 @@ static int fimc_subdev_set_selection(struct v4l2_subdev *sd,
.set_fmt = fimc_subdev_set_fmt,
};
-static struct v4l2_subdev_ops fimc_subdev_ops = {
+static const struct v4l2_subdev_ops fimc_subdev_ops = {
.pad = &fimc_subdev_pad_ops,
};
@@ -649,23 +649,23 @@ static int s5pcsis_log_status(struct v4l2_subdev *sd)
return 0;
}
-static struct v4l2_subdev_core_ops s5pcsis_core_ops = {
+static const struct v4l2_subdev_core_ops s5pcsis_core_ops = {
.s_power = s5pcsis_s_power,
.log_status = s5pcsis_log_status,
};
-static struct v4l2_subdev_pad_ops s5pcsis_pad_ops = {
+static const struct v4l2_subdev_pad_ops s5pcsis_pad_ops = {
.enum_mbus_code = s5pcsis_enum_mbus_code,
.get_fmt = s5pcsis_get_fmt,
.set_fmt = s5pcsis_set_fmt,
};
-static struct v4l2_subdev_video_ops s5pcsis_video_ops = {
+static const struct v4l2_subdev_video_ops s5pcsis_video_ops = {
.s_rx_buffer = s5pcsis_s_rx_buffer,
.s_stream = s5pcsis_s_stream,
};
-static struct v4l2_subdev_ops s5pcsis_subdev_ops = {
+static const struct v4l2_subdev_ops s5pcsis_subdev_ops = {
.core = &s5pcsis_core_ops,
.pad = &s5pcsis_pad_ops,
.video = &s5pcsis_video_ops,
v4l2_subdev_{core/pad/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 used) @r1 disable optional_qualifier @ identifier i; position p; @@ static struct v4l2_subdev_ops i@p = {...}; @ok1@ identifier r1.i; position p; expression e1; @@ v4l2_subdev_init(e1,&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_ops i; File size before: text data bss dec hex filename 16830 1064 0 17894 45e6 platform/exynos4-is/fimc-capture.o 7787 704 20 8511 213f platform/exynos4-is/mipi-csis.o File size after: text data bss dec hex filename 17022 880 0 17902 45ee platform/exynos4-is/fimc-capture.o 8299 192 20 8511 213f platform/exynos4-is/mipi-csis.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> --- drivers/media/platform/exynos4-is/fimc-capture.c | 4 ++-- drivers/media/platform/exynos4-is/mipi-csis.c | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-)