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Date:   Tue, 24 Apr 2018 11:51:06 +0100
From:   Javier Arteaga <javier@emutex.com>
To:     Andy Shevchenko <andy.shevchenko@gmail.com>
Cc:     Jonathan Cameron <jic23@kernel.org>,
        Hartmut Knaack <knaack.h@gmx.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
        Dan O'Donovan <dan@emutex.com>, linux-iio@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Nicola Lunghi <nicola.lunghi@emutex.com>
Subject: Re: [PATCH v2 2/3] iio: adc128s052: add ACPI _HID AANT1280
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References: <20180423213805.12591-1-javier@emutex.com>
 <20180423213805.12591-3-javier@emutex.com>
 <CAHp75VfONiaWmuadb2ijFcqrdr0QLexmxyd6kHUTxxH-itYtUQ@mail.gmail.com>
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Hi Andy,

On Tue, Apr 24, 2018 at 01:08:31AM +0300, Andy Shevchenko wrote:
> > +       if (ACPI_COMPANION(&spi->dev)) {
> 
> > +               const struct acpi_device_id *ad_id;
> > +
> > +               ad_id = acpi_match_device(spi->dev.driver->acpi_match_table,
> > +                                         &spi->dev);
> > +               if (!ad_id)
> > +                       return -ENODEV;
> > +
> > +               config = ad_id->driver_data;
> 
> There is a new API to get it by one call.
> https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git/commit/?id=b283f157611f129f5bbbf7d06f5af860d76797fd

That looks much cleaner. Will do for a v3.

Thank you!