linux-kernel - Re: [PATCH] rtc: meson: mark PM functions as __maybe

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Message-ID: <7h1rwtict0.fsf@baylibre.com>
Date:   Fri, 06 Sep 2019 09:56:11 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-rtc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rtc: meson: mark PM functions as __maybe_unused

Arnd Bergmann <arnd@...db.de> writes:

> The meson_vrtc_set_wakeup_time() function is only used by
> the PM functions and causes a warning when they are disabled:
>
> drivers/rtc/rtc-meson-vrtc.c:32:13: error: unused function 'meson_vrtc_set_wakeup_time' [-Werror,-Wunused-function]
>
> Remove the #ifdef around the callers and add a __maybe_unused
> annotation as a more reliable way to avoid these warnings.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Kevin Hilman <khilman@...libre.com>