Re: [PATCH v3 3/4] media: i2c: add MAX96717 driver

From: Sakari Ailus
Date: Wed Feb 21 2024 - 06:04:16 EST


Hi Julien,

On Wed, Feb 21, 2024 at 11:34:38AM +0100, Julien Massot wrote:
> Hi Sakari,
>
> On 2/9/24 16:26, Sakari Ailus wrote:
> > Hi Julien,
> >
> > On Thu, Jan 11, 2024 at 02:03:48PM +0100, Julien Massot wrote:
> > > This driver handle the MAX96717 serializer in tunnel mode.
> > > All incoming CSI traffic will be tunneled through the GMSL2
> > > link.
> > >
> > > Signed-off-by: Julien Massot <julien.massot@xxxxxxxxxxxxx>
> > > ---
> > > Change since v2:
> > > - Use CCI helpers instead of recoding register access
> > > - add missing bitfield header
> > > ---
> > > MAINTAINERS | 7 +
> > > drivers/media/i2c/Kconfig | 13 +
> > > drivers/media/i2c/Makefile | 1 +
> > > drivers/media/i2c/max96717.c | 956 +++++++++++++++++++++++++++++++++++
> > > 4 files changed, 977 insertions(+)
> > > create mode 100644 drivers/media/i2c/max96717.c
> > >
> > > diff --git a/MAINTAINERS b/MAINTAINERS
> > > index 675e5d63a25b..a64a7932fe76 100644
> > > --- a/MAINTAINERS
> > > +++ b/MAINTAINERS
> > > @@ -13039,6 +13039,13 @@ S: Maintained
> > > F: Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml
> > > F: drivers/staging/media/max96712/max96712.c
> > > +MAX96717 GMSL2 SERIALIZER DRIVER
> > > +M: Julien Massot <julien.massot@xxxxxxxxxxxxx>
> > > +L: linux-media@xxxxxxxxxxxxxxx
> > > +S: Maintained
> > > +F: Documentation/devicetree/bindings/media/i2c/maxim,max96717f.yaml
> >
> > What's that "f" for? It's in bindings but not in the name of the driver.
> > Not a typo I suppose? :-)
>
> Indeed that's not a typo, the Maxim's GMSL2 chips are available under
> multiple
> variants:
> - MAX96717 which supports GMSL link speed 6 and 3Gbps and CSI lanes up to
> 2.5Gbps
> - MAX96717K which supports GMSL link speed 6 and 3Gbps and CSI lanes up to
> 1.5Gbps
> - MAX96717F which only supports GMSL link speed 3Gbps and CSI lanes up to
> 2.5Gbps
>
> They have the same register mapping, so we should be able to add support for
> the other variants in the future.

I think you should probably do this for the bindings, too. I'd thus drop
"f" from the file name.

--
Regards,

Sakari Ailus