From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomi.valkeinen@ti.com (Tomi Valkeinen) Date: Mon, 7 Dec 2015 18:10:04 +0200 Subject: [PATCH] fbdev: auo_k190x: avoid unused function warnings In-Reply-To: <3917686.rD8ezhD468@wuerfel> References: <3917686.rD8ezhD468@wuerfel> Message-ID: <5665AF5C.4060801@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 20/11/15 23:47, Arnd Bergmann wrote: > The auo_k190x framebuffer driver encloses the power-management > functions in #ifdef CONFIG_PM, but the auok190x_suspend/resume > functions are only really used when CONFIG_PM_SLEEP is also > set, as a frequent gcc warning shows: > > drivers/video/fbdev/auo_k190x.c:859:12: warning: 'auok190x_suspend' defined but not used > drivers/video/fbdev/auo_k190x.c:899:12: warning: 'auok190x_resume' defined but not used > > This changes the driver to remove the #ifdef and instead mark > the functions as __maybe_unused, which is a nicer anyway, as it > provides build testing for all the code in all configurations > and is harder to get wrong. Applied for 4.5. Btw, do you know if the linker will optimize the __maybe_unused funcs away if they are not used? I presume so. Tomi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: OpenPGP digital signature URL: