[PATCH] [media] rockchip/rga: annotate PM functions as __maybe_unused

[Sakari Ailus]

On Thu, Oct 19, 2017 at 11:30:34AM +0200, Arnd Bergmann wrote:
> The newly added driver has incorrect #ifdef annotations on its
> PM functions, leading to a harmless compile-time warning when
> CONFIG_PM is disabled:
> 
> drivers/media/platform/rockchip/rga/rga.c:760:13: error: 'rga_disable_clocks' defined but not used [-Werror=unused-function]
>  static void rga_disable_clocks(struct rockchip_rga *rga)
>              ^~~~~~~~~~~~~~~~~~
> drivers/media/platform/rockchip/rga/rga.c:728:12: error: 'rga_enable_clocks' defined but not used [-Werror=unused-function]
> 
> This removes the #ifdef and marks the functions as __maybe_unused,
> so gcc can silently drop all the unused code.
> 
> Fixes: f7e7b48e6d79 ("[media] rockchip/rga: v4l2 m2m support")
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>

Acked-by: Sakari Ailus <sakari.ailus at linux.intel.com>

-- 
Sakari Ailus
e-mail: sakari.ailus at iki.fi