linux-kernel - Re: [PATCH v4 1/5] platform/x86: intel_pmc

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Date:   Sun, 2 Apr 2017 18:51:40 -0700
From:   Sathyanarayanan Kuppuswamy Natarajan <sathyaosid@...il.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        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>,
        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 v4 1/5] platform/x86: intel_pmc_ipc: fix gcr offset

Yes, just applying this patch will fix the existing offset issue.

On Sun, Apr 2, 2017 at 7:11 AM, Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
> On Sat, Apr 1, 2017 at 2:27 AM, Kuppuswamy Sathyanarayanan
> <sathyanarayanan.kuppuswamy@...ux.intel.com> wrote:
>> According to Broxton APL PMC spec, gcr mem region starts
>> at offset 0x1000 from ipc mem base address. In this driver,
>> PLAT_RESOURCE_GCR_OFFSET macro defines the offset of GCR
>> memory region from IPC mem region. So we should use 0x1000(4K)
>> as GCR offset. But currently this driver uses 0x1008 as GCT
>> offset.This patch fixes this issue.
>
>
> So, if I apply this one independently, would it fix an existin issue?
>
>>
>> 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 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



-- 
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Sathya