Re: [PATCH] staging: iio: ad7746: add device tree support

From: Jonathan Cameron
Date: Sun May 19 2019 - 13:09:40 EST


On Sun, 19 May 2019 12:02:50 +0100
Jonathan Cameron <jic23@xxxxxxxxxx> wrote:

> On Sat, 18 May 2019 19:27:33 -0300
> JoÃo Seckler <joaoseckler@xxxxxxxxx> wrote:
>
> > Add a of_device_id struct variable and subsequent call to
> > MODULE_DEVICE_TABLE macro to support device tree.
> >
> > Signed-off-by: JoÃo Seckler <joaoseckler@xxxxxxxxx>
> > Signed-off-by: Lucas Oshiro <lucasseikioshiro@xxxxxxxxx>
> > Co-developed-by: Lucas Oshiro <lucasseikioshiro@xxxxxxxxx>
> Applied to the togreg branch of iio.git and pushed out as testing
> for the autobuilders to play with it.
>
> For a future improvement, try to explain the 'why' rather than
> 'what' of a patch in the description. This particular change
> is so common I don't mind that much, but it is a good habit to
> get into!
Ah, you do say to support device tree at the end, but more
detail on that would have been good!

Thanks,

J
>
> Thanks,
>
> Jonathan
> > ---
> > drivers/staging/iio/cdc/ad7746.c | 10 ++++++++++
> > 1 file changed, 10 insertions(+)
> >
> > diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c
> > index 47610d863908..21527d84f940 100644
> > --- a/drivers/staging/iio/cdc/ad7746.c
> > +++ b/drivers/staging/iio/cdc/ad7746.c
> > @@ -748,9 +748,19 @@ static const struct i2c_device_id ad7746_id[] = {
> >
> > MODULE_DEVICE_TABLE(i2c, ad7746_id);
> >
> > +static const struct of_device_id ad7746_of_match[] = {
> > + { .compatible = "adi,ad7745" },
> > + { .compatible = "adi,ad7746" },
> > + { .compatible = "adi,ad7747" },
> > + { },
> > +};
> > +
> > +MODULE_DEVICE_TABLE(of, ad7746_of_match);
> > +
> > static struct i2c_driver ad7746_driver = {
> > .driver = {
> > .name = KBUILD_MODNAME,
> > + .of_match_table = ad7746_of_match,
> > },
> > .probe = ad7746_probe,
> > .id_table = ad7746_id,
>