linux-kernel - Re: [PATCH v7 1/6] platform/x86: intel_pmc

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Date:   Tue, 25 Apr 2017 16:29:05 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
Cc:     Andy Shevchenko <andy@...radead.org>,
        Zha Qipeng <qipeng.zha@...el.com>,
        "dvhart@...radead.org" <dvhart@...radead.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ana.be>,
        Sathyanarayanan Kuppuswamy Natarajan <sathyaosid@...il.com>,
        David Box <david.e.box@...ux.intel.com>,
        Rajneesh Bhardwaj <rajneesh.bhardwaj@...el.com>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-watchdog@...r.kernel.org
Subject: Re: [PATCH v7 1/6] platform/x86: intel_pmc_ipc: fix gcr offset

On Mon, Apr 10, 2017 at 1:00 AM, Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@...ux.intel.com> wrote:
> According to Broxton APL spec, PMC MIMO resources for Global Control
> Registers(GCR) are located at 4K(0x1000) offset from IPC base address.
> In this driver, PLAT_RESOURCE_GCR_OFFSET macro defines the offset of GCR
> region base address from IPC base address and its current value of
> 0x1008 is incorrect because it points to location for PMC_CFG register
> and not the GCR base address itself.
>
> GCR Base = IPC1 Base + 0x1000.
>
> This patch fixes this offset issue.

The whole series has been pushed to testing, thanks.

>
> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
> ---
>  drivers/platform/x86/intel_pmc_ipc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> Changes since v6:
>  *  Updated commit message
>
> Changes since v5:
>  *  None
>
> Changes since v4:
>  *  None
>
> Changes since v3:
>  * Updated the commit history
>
> diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c
> index 0651d47..0a33592 100644
> --- a/drivers/platform/x86/intel_pmc_ipc.c
> +++ b/drivers/platform/x86/intel_pmc_ipc.c
> @@ -82,7 +82,7 @@
>  /* exported resources from IFWI */
>  #define PLAT_RESOURCE_IPC_INDEX                0
>  #define PLAT_RESOURCE_IPC_SIZE         0x1000
> -#define PLAT_RESOURCE_GCR_OFFSET       0x1008
> +#define PLAT_RESOURCE_GCR_OFFSET       0x1000
>  #define PLAT_RESOURCE_GCR_SIZE         0x1000
>  #define PLAT_RESOURCE_BIOS_DATA_INDEX  1
>  #define PLAT_RESOURCE_BIOS_IFACE_INDEX 2
> --
> 2.7.4
>



-- 
With Best Regards,
Andy Shevchenko