linux-kernel - Re: [PATCH] random: pull add_hwgenerator_randomness() declaration into random.h

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Message-ID: <8735klbrm5.fsf@tynnyri.adurom.net>
Date:   Mon, 14 Feb 2022 13:43:46 +0200
From:   Kalle Valo <kvalo@...nel.org>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     linux-kernel@...r.kernel.org, linux@...inikbrodowski.net,
        herbert@...dor.apana.org.au, linux-crypto@...r.kernel.org,
        Matt Mackall <mpm@...enic.com>, ath9k-devel@....qualcomm.com,
        Theodore Ts'o <tytso@....edu>
Subject: Re: [PATCH] random: pull add_hwgenerator_randomness() declaration into random.h

"Jason A. Donenfeld" <Jason@...c4.com> writes:

> add_hwgenerator_randomness() is a function implemented and documented
> inside of random.c. It is the way that hardware RNGs push data into it.
> Therefore, it should be declared in random.h. Otherwise sparse complains
> with:
>
> random.c:1137:6: warning: symbol 'add_hwgenerator_randomness' was not declared. Should it be static?
>
> The alternative would be to include hw_random.h into random.c, but that
> wouldn't really be good for anything except slowing down compile time.
>
> Cc: Dominik Brodowski <linux@...inikbrodowski.net>
> Cc: Matt Mackall <mpm@...enic.com>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: linux-crypto@...r.kernel.org
> Cc: Kalle Valo <kvalo@...nel.org>
> Cc: ath9k-devel@....qualcomm.com
> Cc: Theodore Ts'o <tytso@....edu>
> Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
> ---
>  drivers/char/hw_random/core.c        | 1 +
>  drivers/net/wireless/ath/ath9k/rng.c | 1 +

For ath9k:

Acked-by: Kalle Valo <kvalo@...nel.org>

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