linux-kernel - Re: [PATCH] iio: adc128s052: add proper .data members in adc128_of

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Message-ID: <d8e3b536-06ac-2346-3fe1-90ed2fb1127d@rasmusvillemoes.dk>
Date:   Tue, 22 Nov 2022 15:41:21 +0100
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Javier Arteaga <javier@...tex.com>,
        Dan O'Donovan <dan@...tex.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Nicola Lunghi <nicola.lunghi@...tex.com>
Cc:     Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: adc128s052: add proper .data members in
 adc128_of_match table

On 15/11/2022 14.23, Rasmus Villemoes wrote:
> Prior to commit bd5d54e4d49d ("iio: adc128s052: add ACPI _HID
> AANT1280"), the driver unconditionally used spi_get_device_id() to get
> the index into the adc128_config array.
> 
> However, with that commit, OF-based boards now incorrectly treat all
> supported sensors as if they are an adc128s052, because all the .data
> members of the adc128_of_match table are implicitly 0. Our board,
> which has an adc122s021, thus exposes 8 channels whereas it really
> only has two.
> 
> Fixes: bd5d54e4d49d ("iio: adc128s052: add ACPI _HID AANT1280")
> Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
> ---

Ping. Any chance this could be picked up before the merge window for 6.2
opens?