[PATCH 08/13] media: imx355: pixel_rate never changes, so don't recompute

From: Dave Stevenson

Date: Wed May 06 2026 - 14:29:08 EST


The pixel rate is always the same, so there is no need to try and
recompute it in imx355_set_pad_format, and then no need to have the
pointer to it stored.

Signed-off-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
---
drivers/media/i2c/imx355.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c
index b0cddb614775..12005bc40f36 100644
--- a/drivers/media/i2c/imx355.c
+++ b/drivers/media/i2c/imx355.c
@@ -161,7 +161,6 @@ struct imx355 {
struct v4l2_ctrl_handler ctrl_handler;
/* V4L2 Controls */
struct v4l2_ctrl *link_freq;
- struct v4l2_ctrl *pixel_rate;
struct v4l2_ctrl *vblank;
struct v4l2_ctrl *hblank;
struct v4l2_ctrl *exposure;
@@ -860,7 +859,6 @@ imx355_set_pad_format(struct v4l2_subdev *sd,
s32 vblank_def;
s32 vblank_min;
s64 h_blank;
- u64 pixel_rate;
u32 height;

mutex_lock(&imx355->mutex);
@@ -881,9 +879,6 @@ imx355_set_pad_format(struct v4l2_subdev *sd,
*framefmt = fmt->format;
} else {
imx355->cur_mode = mode;
- pixel_rate = IMX355_LINK_FREQ_DEFAULT * 2 * 4;
- do_div(pixel_rate, 10);
- __v4l2_ctrl_s_ctrl_int64(imx355->pixel_rate, pixel_rate);
/* Update limits and set FPS to default */
height = imx355->cur_mode->height;
vblank_def = imx355->cur_mode->fll_def - height;
@@ -1175,9 +1170,8 @@ static int imx355_init_controls(struct imx355 *imx355)
pixel_rate = IMX355_LINK_FREQ_DEFAULT * 2 * 4;
do_div(pixel_rate, 10);
/* By default, PIXEL_RATE is read only */
- imx355->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops,
- V4L2_CID_PIXEL_RATE, pixel_rate,
- pixel_rate, 1, pixel_rate);
+ v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, V4L2_CID_PIXEL_RATE,
+ pixel_rate, pixel_rate, 1, pixel_rate);

/* Initialize vblank/hblank/exposure parameters based on current mode */
mode = imx355->cur_mode;

--
2.34.1