Re: [PATCH] platform/x86/intel: pmc/core: change pmc_lpm_modes to static

From: David E. Box
Date: Mon Apr 25 2022 - 10:10:44 EST


On Sat, 2022-04-23 at 08:30 -0400, Tom Rix wrote:
> Sparse reports this issue
> core.c: note: in included file:
> core.h:239:12: warning: symbol 'pmc_lpm_modes' was not declared. Should it be
> static?
>
> Global variables should not be defined in headers. This only works
> because core.h is only included by core.c. Single file use
> variables should be static, so change its storage-class specifier
> to static.
>
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>

Reviewed-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx>

Thanks

> ---
> drivers/platform/x86/intel/pmc/core.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/platform/x86/intel/pmc/core.h
> b/drivers/platform/x86/intel/pmc/core.h
> index a46d3b53bf61..7a059e02c265 100644
> --- a/drivers/platform/x86/intel/pmc/core.h
> +++ b/drivers/platform/x86/intel/pmc/core.h
> @@ -236,7 +236,7 @@ enum ppfear_regs {
> #define ADL_LPM_STATUS_LATCH_EN_OFFSET 0x1704
> #define ADL_LPM_LIVE_STATUS_OFFSET 0x1764
>
> -const char *pmc_lpm_modes[] = {
> +static const char *pmc_lpm_modes[] = {
> "S0i2.0",
> "S0i2.1",
> "S0i2.2",