linux-kernel - Re: sound/soc/ti/j721e-evm.c:528:34: warning: unused variable 'j721e_audio_of

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Message-ID: <20200929111607.GA4799@sirena.org.uk>
Date:   Tue, 29 Sep 2020 12:16:07 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Peter Ujfalusi <peter.ujfalusi@...com>
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        kernel test robot <lkp@...el.com>, kbuild-all@...ts.01.org,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: sound/soc/ti/j721e-evm.c:528:34: warning: unused variable
 'j721e_audio_of_match'

On Tue, Sep 29, 2020 at 09:00:02AM +0300, Peter Ujfalusi wrote:

> The ifdef would be preferred if the driver could work in non DT boot (to
> save few bytes) but since it is not the case here:

What I'd *really* like would be something in the of_match_ptr() that
flagged that there's a reference to the table for the purposes of the
warning but still lets the table be eliminated by the linker.

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