linux-kernel - Re: [PATCH 01/38] ASoC: ak5558: drop of_match_ptr from of_device

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Date:   Fri, 20 Nov 2020 16:56:34 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Liam Girdwood <lgirdwood@...il.com>,
        alsa-devel@...a-project.org, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Shengjiu Wang <shengjiu.wang@....com>
Subject: Re: [PATCH 01/38] ASoC: ak5558: drop of_match_ptr from of_device_id
 table

On Fri, Nov 20, 2020 at 05:16:15PM +0100, Krzysztof Kozlowski wrote:
> The driver can match only via the DT table so the table should be always
> used and the of_match_ptr does not have any sense (this also allows ACPI
> matching via PRP0001, even though it is not relevant here).  This fixes
> compile warning (!CONFIG_OF on x86_64):

It would be better to fix these by annotating the table as potentially
unused, if nothing else it means if someone wants to add ACPI support
(or it just works on their ACPI system with the plain old I2C ID) then
they don't need to revert this change.

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