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media: rcar-isp: Disallow unbind of devices

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It is not safe to unbind and then rebind a subdevice in the rcar-vin
pipeline. Depending on what subdevice and in what order a device is
rebound the rcar-vin driver can misbehave.

Until this can be solved suppress the files in sysfs which allows for
this. This is in line with what is done for other subdevices exclusively
use with the rcar-vin pipeline, e.g. rcar-csi2.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Niklas Söderlund 2024-01-31 19:04:52 +01:00 committed by Hans Verkuil
parent 65e6a2773d
commit b14257abe7
1 changed files with 1 additions and 0 deletions
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1
drivers/media/platform/renesas/rcar-isp.c
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@ -518,6 +518,7 @@ static void risp_remove(struct platform_device *pdev)
static struct platform_driver rcar_isp_driver = {
.driver = {
.name = "rcar-isp",
.suppress_bind_attrs = true,
.of_match_table = risp_of_id_table,
},
.probe = risp_probe,