Re: [PATCH v3 14/14] ipu3-cio2: Add cio2-bridge to ipu3-cio2 driver

From: Andy Shevchenko
Date: Mon Dec 28 2020 - 18:48:20 EST


On Tue, Dec 29, 2020 at 1:30 AM Daniel Scally <djrscally@xxxxxxxxx> wrote:
>
> Hi Andy
>
> On 28/12/2020 22:55, Andy Shevchenko wrote:
> > On Mon, Dec 28, 2020 at 10:37:38PM +0000, Daniel Scally wrote:
> >> On 28/12/2020 17:05, Sakari Ailus wrote:
> >>> On Thu, Dec 24, 2020 at 02:54:44PM +0200, Andy Shevchenko wrote:
> > ...
> >
> >>>>> +#include <linux/property.h>
> >>>>> +
> >>>>> +#define CIO2_HID "INT343E"
> >>>>> +#define CIO2_NUM_PORTS 4
> >>> This is already defined in ipu3-cio2.h. Could you include that instead?
> >> Yes; but I'd need to also include media/v4l2-device.h and
> >> media/videobuf2-dma-sg.h (they're included in ipu3-cio2-main.c at the
> >> moment). It didn't seem worth it; but I can move those two includes from
> >> the .c to the .h and then include ipu3-cio2.h in cio2-bridge.h
> >>
> >> Which do you prefer?

> > I think here should be a
> > compromise variant, split out something like ipu3-cio2-defs.h which can be
> > included in both ipu3-cio2.h and cio2-bridge.h.
>
> And just including all the things that need to be in both files you mean?

Something which may be logically grouped together. It may include
something which cio2-bridge doesn't need, but at least it will be in
one place (for example, if you move one CIO2_PCI_* constant, that
means you better move all, or so, the rest CIO2_PCI_* constants as
well).


--
With Best Regards,
Andy Shevchenko