Re: [PATCH v2 4/4] v4l: ioctl: Set bus_info in v4l_querycap()

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Hi Laurent,

On Fri, Jan 28, 2022 at 04:58:40PM +0200, Laurent Pinchart wrote:
> Hi Sakari,
> 
> Thank you for the patch.

And thanks for the review!

> 
> On Fri, Jan 28, 2022 at 10:33:09AM +0200, Sakari Ailus wrote:
> > The bus_info field is set by most drivers based on the type of the device
> > bus as well as the name of the device. Do this in v4l_querycap() so
> > drivers don't need to. This keeps compatibility with non-default and silly
> > bus_info.
> 
> Do we have many PCI or platform drivers with non-default bus_info ?

Quite a few actually. Most have something static in bus_info and there are
also PCI Express devices that use "PCIe:" prefix. These are mostly old
drivers though. I've left them as-is.

New drivers shouldn't bother changing the default unless there's a good
reason to do that.

> 
> > Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

Thanks!

I'll address the other comments and send v3.

-- 
Kind regards,

Sakari Ailus



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