linux-kernel - Re: drivers/char/hw_random/npcm-rng.c:166:34: warning: unused variable 'rng_dt

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Message-ID: <20200626064225.GA6023@gondor.apana.org.au>
Date:   Fri, 26 Jun 2020 16:42:25 +1000
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     kernel test robot <lkp@...el.com>
Cc:     Tomer Maimon <tmaimon77@...il.com>, kbuild-all@...ts.01.org,
        clang-built-linux@...glegroups.com, linux-kernel@...r.kernel.org,
        Daniel Thompson <daniel.thompson@...aro.org>
Subject: Re: drivers/char/hw_random/npcm-rng.c:166:34: warning: unused
 variable 'rng_dt_id'

On Tue, Jun 23, 2020 at 09:58:39PM +0800, kernel test robot wrote:
>
> >> drivers/char/hw_random/npcm-rng.c:166:34: warning: unused variable 'rng_dt_id' [-Wunused-const-variable]
>    static const struct of_device_id rng_dt_id[] = {
>                                     ^
>    1 warning generated.

The kernel is supposed to be built with -Wno-unused-const-variable,
so I guess this is a deficiency in clang.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt