linux-kernel - Re: [PATCH v2 03/11] platform/x86:intel/pmc: Move PMC devid to core.h

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Message-ID: <e7f3cb98-977e-b4fa-4631-9043873d6806@linux.intel.com>
Date: Thu, 29 Aug 2024 13:52:35 +0300 (EEST)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Xi Pardee <xi.pardee@...ux.intel.com>
cc: irenic.rajneesh@...il.com, david.e.box@...ux.intel.com, 
    Hans de Goede <hdegoede@...hat.com>, platform-driver-x86@...r.kernel.org, 
    LKML <linux-kernel@...r.kernel.org>, linux-pm@...r.kernel.org
Subject: Re: [PATCH v2 03/11] platform/x86:intel/pmc: Move PMC devid to
 core.h

On Wed, 28 Aug 2024, Xi Pardee wrote:

> Move PMC devid definition for each PMC of Arrow Lake and Meteor
> Lake platforms to core.h. This patch is a preparation step to
> introduce a new SSRAM Telemetry driver which will be using the
> PMC devid.
> 
> Signed-off-by: Xi Pardee <xi.pardee@...ux.intel.com>
> ---
>  drivers/platform/x86/intel/pmc/arl.c  |  9 +++------
>  drivers/platform/x86/intel/pmc/core.h | 10 ++++++++++
>  drivers/platform/x86/intel/pmc/mtl.c  |  9 +++------
>  3 files changed, 16 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/platform/x86/intel/pmc/arl.c b/drivers/platform/x86/intel/pmc/arl.c
> index e10527c4e3e0..870da98ceb41 100644
> --- a/drivers/platform/x86/intel/pmc/arl.c
> +++ b/drivers/platform/x86/intel/pmc/arl.c
> @@ -650,23 +650,20 @@ const struct pmc_reg_map arl_pchs_reg_map = {
>  	.etr3_offset = ETR3_OFFSET,
>  };
>  
> -#define PMC_DEVID_SOCS 0xae7f
> -#define PMC_DEVID_IOEP 0x7ecf
> -#define PMC_DEVID_PCHS 0x7f27
>  static struct pmc_info arl_pmc_info_list[] = {
>  	{
>  		.guid	= IOEP_LPM_REQ_GUID,
> -		.devid	= PMC_DEVID_IOEP,
> +		.devid	= PMC_DEVID_MTL_IOEP,
>  		.map	= &mtl_ioep_reg_map,
>  	},
>  	{
>  		.guid	= SOCS_LPM_REQ_GUID,
> -		.devid	= PMC_DEVID_SOCS,
> +		.devid	= PMC_DEVID_ARL_SOCS,
>  		.map	= &arl_socs_reg_map,
>  	},
>  	{
>  		.guid	= PCHS_LPM_REQ_GUID,
> -		.devid	= PMC_DEVID_PCHS,
> +		.devid	= PMC_DEVID_ARL_PCHS,
>  		.map	= &arl_pchs_reg_map,
>  	},
>  	{}
> diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h
> index 9a1cc01f31d9..6763e59180a4 100644
> --- a/drivers/platform/x86/intel/pmc/core.h
> +++ b/drivers/platform/x86/intel/pmc/core.h
> @@ -290,6 +290,16 @@ enum ppfear_regs {
>  #define LNL_PPFEAR_NUM_ENTRIES			12
>  #define LNL_S0IX_BLOCKER_OFFSET			0x2004
>  
> +/* SSRAM PMC Device ID*/

Missing space.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>

-- 
 i.

> +/* ARL */
> +#define PMC_DEVID_ARL_SOCS	0xae7f
> +#define PMC_DEVID_ARL_PCHS	0x7f27
> +
> +/* MTL */
> +#define PMC_DEVID_MTL_SOCM	0x7e7f
> +#define PMC_DEVID_MTL_IOEP	0x7ecf
> +#define PMC_DEVID_MTL_IOEM	0x7ebf
> +
>  extern const char *pmc_lpm_modes[];
>  
>  struct pmc_bit_map {
> diff --git a/drivers/platform/x86/intel/pmc/mtl.c b/drivers/platform/x86/intel/pmc/mtl.c
> index c7d15d864039..908b5f8bb6e5 100644
> --- a/drivers/platform/x86/intel/pmc/mtl.c
> +++ b/drivers/platform/x86/intel/pmc/mtl.c
> @@ -947,23 +947,20 @@ const struct pmc_reg_map mtl_ioem_reg_map = {
>  	.lpm_reg_index = MTL_LPM_REG_INDEX,
>  };
>  
> -#define PMC_DEVID_SOCM	0x7e7f
> -#define PMC_DEVID_IOEP	0x7ecf
> -#define PMC_DEVID_IOEM	0x7ebf
>  static struct pmc_info mtl_pmc_info_list[] = {
>  	{
>  		.guid	= SOCP_LPM_REQ_GUID,
> -		.devid	= PMC_DEVID_SOCM,
> +		.devid	= PMC_DEVID_MTL_SOCM,
>  		.map	= &mtl_socm_reg_map,
>  	},
>  	{
>  		.guid	= IOEP_LPM_REQ_GUID,
> -		.devid	= PMC_DEVID_IOEP,
> +		.devid	= PMC_DEVID_MTL_IOEP,
>  		.map	= &mtl_ioep_reg_map,
>  	},
>  	{
>  		.guid	= IOEM_LPM_REQ_GUID,
> -		.devid	= PMC_DEVID_IOEM,
> +		.devid	= PMC_DEVID_MTL_IOEM,
>  		.map	= &mtl_ioem_reg_map
>  	},
>  	{}
>