On Thu, 01 Oct 2020, Michael Brunner wrote:
> The Intel 0-DAY CI Kernel Test Service reports an unused variable
> warning when compiling with clang for PowerPC:
>
> >> drivers/mfd/kempld-core.c:556:36: warning: unused variable
> >> 'kempld_acpi_table' [-Wunused-const-variable]
> static const struct acpi_device_id kempld_acpi_table[] = {
>
> The issue can be fixed by marking kempld_acpi_table as __maybe_unused.
>
> Fixes: e8299c7313af ("[PATCH] mfd: Add ACPI support to Kontron PLD driver")
>
> Reported-by: kernel test robot <l...@intel.com>
> Signed-off-by: Michael Brunner <michael.brun...@kontron.com>
> ---
> drivers/mfd/kempld-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c
> index 1dfe556df038..273481dfaad4 100644
> --- a/drivers/mfd/kempld-core.c
> +++ b/drivers/mfd/kempld-core.c
> @@ -553,7 +553,7 @@ static int kempld_remove(struct platform_device *pdev)
> return 0;
> }
>
> -static const struct acpi_device_id kempld_acpi_table[] = {
> +static const struct acpi_device_id __maybe_unused kempld_acpi_table[] = {
> { "KEM0001", (kernel_ulong_t)&kempld_platform_data_generic },
> {}
> };
This is not the right fix. Better just to compile it out completely
in these circumstances. I already have a fix for this in soak.
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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