Re: [PATCH 1/2] Documentation: Bump media IOCTL reserved numbers

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Hi Sakari,

Thank you for the patch.

On Mon, May 26, 2025 at 02:17:31PM +0300, Sakari Ailus wrote:
> The Media Controller uses IOCTL numbers up to 0x81. Given that nothing
> appears to be using them for other purposes, even in the samples
> allocation (checked with $ git grep "#define.*_IO.*'|'"), just reassign
> the numbers up to 0x8f to linux/media.h and bump the samples allocation by
> 0x10.

The commit message should explain why. The explanation is in the cover
letter, just move it to this patch. With that,

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> ---
>  Documentation/userspace-api/ioctl/ioctl-number.rst | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst
> index bc91756bde73..6b3be3fb0b15 100644
> --- a/Documentation/userspace-api/ioctl/ioctl-number.rst
> +++ b/Documentation/userspace-api/ioctl/ioctl-number.rst
> @@ -312,8 +312,8 @@ Code  Seq#    Include File                                           Comments
>  'z'   40-7F                                                          CAN bus card conflict!
>                                                                       <mailto:oe@xxxxxxx>
>  'z'   10-4F  drivers/s390/crypto/zcrypt_api.h                        conflict!
> -'|'   00-7F  linux/media.h
> -'|'   80-9F  samples/                                                Any sample and example drivers
> +'|'   00-8F  linux/media.h
> +'|'   90-AF  samples/                                                Any sample and example drivers
>  0x80  00-1F  linux/fb.h
>  0x81  00-1F  linux/vduse.h
>  0x89  00-06  arch/x86/include/asm/sockios.h

-- 
Regards,

Laurent Pinchart




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