Re: [PATCH v4 4/5] platform/x86/amd: pmc: use FCH_PM_BASE definition

[Yazen Ghannam <yazen.ghannam@amd.com>]

On Mon, Apr 14, 2025 at 07:26:57PM -0500, Mario Limonciello wrote:
> From: Mario Limonciello <mario.limonciello@amd.com>
> 
> The s2idle mmio quirk uses a scratch register in the FCH.
> Adjust the code to clarify that.
> 
> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
> ---
> v4:
>  * Use fch.h instead
> ---
>  arch/x86/include/asm/amd/fch.h            | 1 +
>  drivers/platform/x86/amd/pmc/pmc-quirks.c | 3 ++-
>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/x86/include/asm/amd/fch.h b/arch/x86/include/asm/amd/fch.h
> index a5fd91ff92df3..9b32e8a03193e 100644
> --- a/arch/x86/include/asm/amd/fch.h
> +++ b/arch/x86/include/asm/amd/fch.h
> @@ -8,5 +8,6 @@
>  /* register offsets from PM base */
>  #define FCH_PM_DECODEEN			0x00
>  #define FCH_PM_DECODEEN_SMBUS0SEL	GENMASK(20, 19)
> +#define FCH_PM_SCRATCH			0x80
>  
>  #endif
> diff --git a/drivers/platform/x86/amd/pmc/pmc-quirks.c b/drivers/platform/x86/amd/pmc/pmc-quirks.c
> index b4f49720c87f6..3c680d2029f62 100644
> --- a/drivers/platform/x86/amd/pmc/pmc-quirks.c
> +++ b/drivers/platform/x86/amd/pmc/pmc-quirks.c
> @@ -8,6 +8,7 @@
>   * Author: Mario Limonciello <mario.limonciello@amd.com>
>   */
>  
> +#include <asm/amd/fch.h>

Arch headers should go after linux headers, I think.

So that arch stuff can override generic stuff.

>  #include <linux/dmi.h>
>  #include <linux/io.h>
>  #include <linux/ioport.h>

Thanks,
Yazen