From: Bhumika Goyal Date: Mon, 12 Dec 2016 18:03:57 +0000 (-0200) Subject: [media] exynos4-is: constify v4l2_subdev_* structures X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a2fafda66dccb84592d4b9e42e429471c356c4fc;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git [media] exynos4-is: constify v4l2_subdev_* structures 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 Signed-off-by: Sylwester Nawrocki Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c index 7bde62f28e4c..8a7cd07dbe28 100644 --- a/drivers/media/platform/exynos4-is/fimc-capture.c +++ b/drivers/media/platform/exynos4-is/fimc-capture.c @@ -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 struct v4l2_subdev_pad_ops fimc_subdev_pad_ops = { .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, }; diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c index befd9fc0adc4..f819b29efc38 100644 --- a/drivers/media/platform/exynos4-is/mipi-csis.c +++ b/drivers/media/platform/exynos4-is/mipi-csis.c @@ -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,