linux-kernel - Re: [PATCH v2] iio: temperature: maxim_thermocouple: declare missing of table

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Date:   Sat, 27 Apr 2019 13:55:35 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Matt Ranostay <matt.ranostay@...sulko.com>
Cc:     Daniel Gomez <dagmcr@...il.com>, Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        "open list:IIO SUBSYSTEM AND DRIVERS" <linux-iio@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>, javier@...hile0.org
Subject: Re: [PATCH v2] iio: temperature: maxim_thermocouple: declare
 missing of table

On Thu, 25 Apr 2019 09:35:07 +0800
Matt Ranostay <matt.ranostay@...sulko.com> wrote:

> On Wed, Apr 24, 2019 at 5:42 AM Daniel Gomez <dagmcr@...il.com> wrote:
> >
> > Add missing <of_device_id> table for SPI driver relying on SPI
> > device match since compatible is in a DT binding or in a DTS.
> >
> > Before this patch:
> > modinfo drivers/iio/temperature/maxim_thermocouple.ko | grep alias
> > alias:          spi:max31855
> > alias:          spi:max6675
> >
> > After this patch:
> > modinfo drivers/iio/temperature/maxim_thermocouple.ko | grep alias
> > alias:          spi:max31855
> > alias:          spi:max6675
> > alias:          of:N*T*Cmaxim,max31855C*
> > alias:          of:N*T*Cmaxim,max31855
> > alias:          of:N*T*Cmaxim,max6675C*
> > alias:          of:N*T*Cmaxim,max6675  
> 
> Heh oops I missed that somehow in initial development.
> 
> Acked-by: Matt Ranostay <matt.ranostay@...sulko.com>
Applied to the togreg branch of iio.git.  Given timing this may have
to wait for the next cycle to go upstream.

Thanks.
Jonathan

> 
> >
> > Reported-by: Javier Martinez Canillas <javier@...hile0.org>
> > Signed-off-by: Daniel Gomez <dagmcr@...il.com>
> > ---
> >  drivers/iio/temperature/maxim_thermocouple.c | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> >
> > diff --git a/drivers/iio/temperature/maxim_thermocouple.c b/drivers/iio/temperature/maxim_thermocouple.c
> > index c31b963..c613a64 100644
> > --- a/drivers/iio/temperature/maxim_thermocouple.c
> > +++ b/drivers/iio/temperature/maxim_thermocouple.c
> > @@ -10,6 +10,8 @@
> >  #include <linux/init.h>
> >  #include <linux/mutex.h>
> >  #include <linux/err.h>
> > +#include <linux/of.h>
> > +#include <linux/of_device.h>
> >  #include <linux/spi/spi.h>
> >  #include <linux/iio/iio.h>
> >  #include <linux/iio/trigger.h>
> > @@ -262,9 +264,17 @@ static const struct spi_device_id maxim_thermocouple_id[] = {
> >  };
> >  MODULE_DEVICE_TABLE(spi, maxim_thermocouple_id);
> >
> > +static const struct of_device_id maxim_thermocouple_of_match[] = {
> > +        { .compatible = "maxim,max6675" },
> > +        { .compatible = "maxim,max31855" },
> > +        { },
> > +};
> > +MODULE_DEVICE_TABLE(of, maxim_thermocouple_of_match);
> > +
> >  static struct spi_driver maxim_thermocouple_driver = {
> >         .driver = {
> >                 .name   = MAXIM_THERMOCOUPLE_DRV_NAME,
> > +               .of_match_table = maxim_thermocouple_of_match,
> >         },
> >         .probe          = maxim_thermocouple_probe,
> >         .remove         = maxim_thermocouple_remove,
> > --
> > 2.7.4
> >