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media: saa7146: Replace saa7146_ext_vv.vbi_fops with write function 

The vbi_fops stored in struct saa7146_ext_vv is a full
v4l2_file_operations, but only its .write field is used. Replace it with
a single vbi_write function pointer to save memory.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Laurent Pinchart 2025-10-26 20:08:29 +02:00 committed by Hans Verkuil
parent bc22cd5e07
commit ba92a96b1e
3 changed files with 6 additions and 5 deletions
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4
drivers/media/common/saa7146/saa7146_fops.c
View File

@ -186,11 +186,11 @@ static ssize_t fops_write(struct file *file, const char __user *data, size_t cou
struct saa7146_dev *dev = video_drvdata(file); struct saa7146_dev *dev = video_drvdata(file);
int ret; int ret;
if (vdev->vfl_type != VFL_TYPE_VBI || !dev->ext_vv_data->vbi_fops.write) if (vdev->vfl_type != VFL_TYPE_VBI || !dev->ext_vv_data->vbi_write)
return -EINVAL; return -EINVAL;
if (mutex_lock_interruptible(vdev->lock)) if (mutex_lock_interruptible(vdev->lock))
return -ERESTARTSYS; return -ERESTARTSYS;
ret = dev->ext_vv_data->vbi_fops.write(file, data, count, ppos); ret = dev->ext_vv_data->vbi_write(file, data, count, ppos);
mutex_unlock(vdev->lock); mutex_unlock(vdev->lock);
return ret; return ret;
} }

4
drivers/staging/media/av7110/av7110_v4l.c
View File

@ -940,7 +940,7 @@ static struct saa7146_ext_vv av7110_vv_data_st = {
.num_stds = ARRAY_SIZE(standard), .num_stds = ARRAY_SIZE(standard),
.std_callback = &std_callback, .std_callback = &std_callback,
.vbi_fops.write = av7110_vbi_write, .vbi_write = av7110_vbi_write,
}; };
static struct saa7146_ext_vv av7110_vv_data_c = { static struct saa7146_ext_vv av7110_vv_data_c = {
@ -953,6 +953,6 @@ static struct saa7146_ext_vv av7110_vv_data_c = {
.num_stds = ARRAY_SIZE(standard), .num_stds = ARRAY_SIZE(standard),
.std_callback = &std_callback, .std_callback = &std_callback,
.vbi_fops.write = av7110_vbi_write, .vbi_write = av7110_vbi_write,
}; };

3
include/media/drv-intf/saa7146_vv.h
View File

@ -130,7 +130,8 @@ struct saa7146_ext_vv
/* pointer to the saa7146 core ops */ /* pointer to the saa7146 core ops */
const struct v4l2_ioctl_ops *core_ops; const struct v4l2_ioctl_ops *core_ops;
struct v4l2_file_operations vbi_fops; ssize_t (*vbi_write)(struct file *file, const char __user *data,
size_t count, loff_t *ppos);
}; };
struct saa7146_use_ops { struct saa7146_use_ops {