linux-kernel - [PATCH 09/12] media: fimc-is: constify pointers to v4l2_pix_format

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Message-Id: <20231224114916.111433-9-krzysztof.kozlowski@linaro.org>
Date: Sun, 24 Dec 2023 12:49:13 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	linux-media@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 09/12] media: fimc-is: constify pointers to v4l2_pix_format_mplane

In few places functions do not modify pointed "struct
v4l2_pix_format_mplane", thus the pointer can point to const data for
additional safety and self-documenting intention of the function.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/media/platform/samsung/exynos4-is/fimc-capture.c   | 2 +-
 drivers/media/platform/samsung/exynos4-is/fimc-isp-video.c | 2 +-
 drivers/media/platform/samsung/exynos4-is/fimc-m2m.c       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/samsung/exynos4-is/fimc-capture.c b/drivers/media/platform/samsung/exynos4-is/fimc-capture.c
index a3a677a3065f..7c2bcd5be933 100644
--- a/drivers/media/platform/samsung/exynos4-is/fimc-capture.c
+++ b/drivers/media/platform/samsung/exynos4-is/fimc-capture.c
@@ -1010,7 +1010,7 @@ static int __fimc_capture_set_format(struct fimc_dev *fimc,
 {
 	struct fimc_vid_cap *vc = &fimc->vid_cap;
 	struct fimc_ctx *ctx = vc->ctx;
-	struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
+	const struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
 	struct fimc_frame *ff = &ctx->d_frame;
 	const struct fimc_fmt *inp_fmt = NULL;
 	int ret, i;
diff --git a/drivers/media/platform/samsung/exynos4-is/fimc-isp-video.c b/drivers/media/platform/samsung/exynos4-is/fimc-isp-video.c
index 8fa26969c411..06c4352562b3 100644
--- a/drivers/media/platform/samsung/exynos4-is/fimc-isp-video.c
+++ b/drivers/media/platform/samsung/exynos4-is/fimc-isp-video.c
@@ -40,7 +40,7 @@ static int isp_video_capture_queue_setup(struct vb2_queue *vq,
 			unsigned int sizes[], struct device *alloc_devs[])
 {
 	struct fimc_isp *isp = vb2_get_drv_priv(vq);
-	struct v4l2_pix_format_mplane *vid_fmt = &isp->video_capture.pixfmt;
+	const struct v4l2_pix_format_mplane *vid_fmt = &isp->video_capture.pixfmt;
 	const struct fimc_fmt *fmt = isp->video_capture.format;
 	unsigned int wh, i;
 
diff --git a/drivers/media/platform/samsung/exynos4-is/fimc-m2m.c b/drivers/media/platform/samsung/exynos4-is/fimc-m2m.c
index e9023f64cfba..e5829a457f3d 100644
--- a/drivers/media/platform/samsung/exynos4-is/fimc-m2m.c
+++ b/drivers/media/platform/samsung/exynos4-is/fimc-m2m.c
@@ -316,7 +316,7 @@ static int fimc_m2m_try_fmt_mplane(struct file *file, void *fh,
 
 static void __set_frame_format(struct fimc_frame *frame,
 			       const struct fimc_fmt *fmt,
-			       struct v4l2_pix_format_mplane *pixm)
+			       const struct v4l2_pix_format_mplane *pixm)
 {
 	int i;
 
-- 
2.34.1