linux-kernel - Re: [PATCH] usb: musb: mark PM functions as __maybe

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Date:   Wed, 23 Nov 2016 06:20:40 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Bin Liu <b-liu@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Felipe Balbi <balbi@...nel.org>,
        Johan Hovold <johan@...nel.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: musb: mark PM functions as __maybe_unused

* Arnd Bergmann <arnd@...db.de> [161122 06:30]:
> Building without CONFIG_PM causes a harmless warning:
> 
> drivers/usb/musb/musb_core.c:2041:12: error: ‘musb_run_resume_work’ defined but not used [-Werror=unused-function]
> 
> Removing the #ifdef around the PM code and instead marking the suspend/resume
> functions as __maybe_unused will do the right thing without warning.

OK works for me:

Acked-by: Tony Lindgren <tony@...mide.com>