Re: [PATCH RESEND] i2c: change return type to bool for i2c_check_functionality

[Thorsten Blum <thorsten.blum@linux.dev>]

On Sat, Jun 06, 2026 at 11:58:03PM +0200, Christophe JAILLET wrote:
> Le 06/06/2026 à 23:29, Thorsten Blum a écrit :
> > Hi Wolfram,
> > 
> > On Mon, May 04, 2026 at 11:15:19AM +0200, Wolfram Sang wrote:
> > > On Tue, Apr 21, 2026 at 06:16:09PM +0200, Thorsten Blum wrote:
> > > > i2c_check_functionality() returns a bool - change the return type from
> > > > int to bool and update the comment accordingly.
> > > > 
> > > > Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
> > > 
> > > Basically OK but you need to fix the in-tree user first using the 'int'
> > > behaviour [1]. I'd think you can send it with this patch as one series
> > > and have it go in via the I2C tree, but Lee has to agree then.
> > > 
> > > [1] $ git grep 'i2c_check_functionality.*='
> 
> I think it should be git grep '=.*i2c_check_functionality'.
> 
> > 
> > In linux-next [1] shows no more results and I believe all have been
> > converted.
> 
> Looks like:
>    drivers/gpu/drm/bridge/sii902x.c:       ret =
> i2c_check_functionality(client->adapter,
>    drivers/media/i2c/isl7998x.c:   ret = i2c_check_functionality(adapter,
> I2C_FUNC_SMBUS_WORD_DATA);
> 
> need care.

Those have also been taken care of with some Reviewed-by: tags, but they
aren't in linux-next yet:

https://lore.kernel.org/lkml/20260517172136.3321-2-thorsten.blum@linux.dev/
https://lore.kernel.org/lkml/20260517172034.3033-2-thorsten.blum@linux.dev/

And the conversions are not strictly necessary since 0 == false.

Thanks,
Thorsten