linux-kernel - Re: [PATCH 1/3] iio: adc: ad7887: convert dual-channel mode to DT/ACPI

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Message-ID: <CAHp75VfKDSsiWqK0Bkkbe1ChntsRAFP5C_2qEzw+YE_qPjhJcQ@mail.gmail.com>
Date:   Tue, 17 Nov 2020 13:08:18 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Jonathan Cameron <Jonathan.Cameron@...wei.com>
Cc:     Alexandru Ardelean <alexandru.ardelean@...log.com>,
        linux-iio <linux-iio@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH 1/3] iio: adc: ad7887: convert dual-channel mode to DT/ACPI

On Tue, Nov 17, 2020 at 12:42 PM Jonathan Cameron
<Jonathan.Cameron@...wei.com> wrote:
>
> On Tue, 17 Nov 2020 09:52:52 +0200
> Alexandru Ardelean <alexandru.ardelean@...log.com> wrote:
>
> > This change converts the configuration of the dual-channel mode from the
> > old platform-data, to the device_property_present() function, which
> > supports both device-tree and ACPI configuration setups.
> >
> > With this change the old platform_data include of the driver can be
> > removed.
> >
> > Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
> Hi Alex,
>
> I'm a bit in too minds about device_property_present()
> vs device_property_read_bool() which are the same thing under the hood.
>
> Not sure which one conveys the correct semantics here.
> I don't feel strongly enough about it though to do more than raise
> eyebrows (i.e. not blocking this series).

The idea as I understand it is that the 'present' can be run against
any type of property, while 'bool' is specifically for boolean (the
similarities is a detail of implementation).

-- 
With Best Regards,
Andy Shevchenko