Re: [PATCH] clk: imx: imx8mp: Add missing CONFIG_PM ifdefs

[Arnd Bergmann]

On Tue, Apr 30, 2024, at 16:16, Heiko Carstens wrote:
> Add missing CONFIG_PM ifdefs to fix this allmodconfig compile error:
>
> drivers/clk/imx/clk-imx8mp-audiomix.c:356:12: error:
> 'clk_imx8mp_audiomix_runtime_suspend' defined but not used
> [-Werror=unused-function]
>   356 | static int clk_imx8mp_audiomix_runtime_suspend(struct device *dev)
>       |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
>
> Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
> Closes: 
> https://lore.kernel.org/r/CA+G9fYuP7S+a89Ep5g5_Ad69EMwRkJ8nM+MMTzbEcP+6H2oMXQ@xxxxxxxxxxxxxx
> Fixes: 1496dd413b2e ("clk: imx: imx8mp: Add pm_runtime support for 
> power saving")
> Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx>

Thanks for your patch. I see the bug as well, but
I think a better fix is to replace the deprecated
SET_RUNTIME_PM_OPS() and SET_NOIRQ_SYSTEM_SLEEP_PM_OPS()
with the modern variants, RUNTIME_PM_OPS() and
RUNTIME_PM_OPS().

      Arnd