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media: s5p-jpeg: Constify struct v4l2_m2m_ops

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The only usage of the v4l2_m2m_ops structs is to pass their address to
v4l2_m2m_init() which takes a pointer to const struct v4l2_m2m_ops as
argument. Make them const to allow the compiler to put them in read-only
memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Rikard Falkeborn 2021-11-30 22:27:00 +01:00 committed by Mauro Carvalho Chehab
parent 0407c49ebe
commit cf56f4f2a4
2 changed files with 4 additions and 4 deletions
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6
drivers/media/platform/s5p-jpeg/jpeg-core.c
View file

@ -2425,17 +2425,17 @@ static int s5p_jpeg_job_ready(void *priv)
return 1;
}
static struct v4l2_m2m_ops s5p_jpeg_m2m_ops = {
static const struct v4l2_m2m_ops s5p_jpeg_m2m_ops = {
.device_run = s5p_jpeg_device_run,
.job_ready = s5p_jpeg_job_ready,
};
static struct v4l2_m2m_ops exynos3250_jpeg_m2m_ops = {
static const struct v4l2_m2m_ops exynos3250_jpeg_m2m_ops = {
.device_run = exynos3250_jpeg_device_run,
.job_ready = s5p_jpeg_job_ready,
};
static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = {
static const struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = {
.device_run = exynos4_jpeg_device_run,
.job_ready = s5p_jpeg_job_ready,
};

2
drivers/media/platform/s5p-jpeg/jpeg-core.h
View file

@ -142,7 +142,7 @@ struct s5p_jpeg_variant {
unsigned int hw3250_compat:1;
unsigned int htbl_reinit:1;
unsigned int hw_ex4_compat:1;
struct v4l2_m2m_ops *m2m_ops;
const struct v4l2_m2m_ops *m2m_ops;
irqreturn_t (*jpeg_irq)(int irq, void *priv);
const char *clk_names[JPEG_MAX_CLOCKS];
int num_clocks;