Re: [PATCH] mmc: tmio: hide unused tmio_mmc_clk_disable/tmio_mmc_clk_enable functions
From: Masahiro Yamada
Date: Sun Jan 21 2018 - 11:30:27 EST
2018-01-19 23:54 GMT+09:00 Arnd Bergmann <arnd@xxxxxxxx>:
> When CONFIG_PM is disabled, we get a warning about the clock handling
> being unused:
>
> drivers/mmc/host/tmio_mmc_core.c:937:13: error: 'tmio_mmc_clk_disable' defined but not used [-Werror=unused-function]
> static void tmio_mmc_clk_disable(struct tmio_mmc_host *host)
> ^~~~~~~~~~~~~~~~~~~~
> drivers/mmc/host/tmio_mmc_core.c:929:12: error: 'tmio_mmc_clk_enable' defined but not used [-Werror=unused-function]
> static int tmio_mmc_clk_enable(struct tmio_mmc_host *host)
> ^~~~~~~~~~~~~~~~~~~
>
> As the clock handling is now done elsewhere, this is only used when
> power management is enabled. We could make the functions as __maybe_unused,
> but since there is already an #ifdef section, it seems easier to move
> the helpers closer to their callers.
>
> Fixes: b21fc294387e ("mmc: tmio: move clk_enable/disable out of tmio_mmc_host_probe()")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
Good catch, thanks!
Reviewed-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
--
Best Regards
Masahiro Yamada