linux-kernel - Re: [PATCH v2] crypto - img-hash: Depend on OF and silence compile test warning

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Date:   Sat, 25 Mar 2023 12:01:47 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ard Biesheuvel <ardb@...nel.org>
Subject: Re: [PATCH v2] crypto - img-hash: Depend on OF and silence compile
 test warning

On 25/03/2023 06:59, Herbert Xu wrote:
> On Fri, Mar 24, 2023 at 11:51:43AM +0100, Krzysztof Kozlowski wrote:
>>
>>> You should either add a dependency on OF or __maybe_unused.
>>> Adding both makes no sense.
>>
>> Of course it makes, otherwise you have warnings which is also fixed here.
> 
> It won't create a warning if you depend on OF without COMPILE_TEST.

In that case yes, but we want COMPILE_TEST for build coverage.

> 
> Anyway, I think adding __maybe_unused by itself is sufficient.



Best regards,
Krzysztof