linux-kernel - Re: [Patch v3 07/11] driver/edac/fsl

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Date:	Mon, 8 Aug 2016 15:30:07 +0000
From:	york sun <york.sun@....com>
To:	Borislav Petkov <bp@...en8.de>
CC:	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"morbidrsa@...il.com" <morbidrsa@...il.com>,
	"oss@...error.net" <oss@...error.net>,
	Stuart Yoder <stuart.yoder@....com>,
	Doug Thompson <dougthompson@...ssion.com>,
	"mchehab@...nel.org" <mchehab@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Patch v3 07/11] driver/edac/fsl_ddr: Add DDR4 type

On 08/08/2016 01:31 AM, Borislav Petkov wrote:
> On Thu, Aug 04, 2016 at 03:58:32PM -0700, York Sun wrote:
>
> <--- Missing commit message.
>
>> Signed-off-by: York Sun <york.sun@....com>
>>
>> ---
>> Change log
>>   v3: no change
>>   v2: no change
>>
>>  drivers/edac/fsl_ddr_edac.c | 12 ++++++++++--
>>  drivers/edac/fsl_ddr_edac.h |  1 +
>>  2 files changed, 11 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/edac/fsl_ddr_edac.c b/drivers/edac/fsl_ddr_edac.c
>> index 60761c0..88ecf7d 100644
>> --- a/drivers/edac/fsl_ddr_edac.c
>> +++ b/drivers/edac/fsl_ddr_edac.c
>> @@ -376,6 +376,9 @@ static void fsl_ddr_init_csrows(struct mem_ctl_info *mci)
>>  		case DSC_SDTYPE_DDR3:
>
> Btw, those DSC_SDTYPE_* defines are used only here to map to the MEM_*
> ones. You can just as well use the naked numbers here and drop the
> DSC_SDTYPE* ones as it is clear what the naked numbers mean based on how
> they're being used.

OK. Will drop all DSC_SDTYPE_*.

>
>>  			mtype = MEM_RDDR3;
>>  			break;
>> +		case DSC_SDTYPE_DDR4:
>> +			mtype = MEM_RDDR4;
>> +			break;
>>  		default:
>>  			mtype = MEM_UNKNOWN;
>>  			break;
>> @@ -391,6 +394,9 @@ static void fsl_ddr_init_csrows(struct mem_ctl_info *mci)
>>  		case DSC_SDTYPE_DDR3:
>>  			mtype = MEM_DDR3;
>>  			break;
>> +		case DSC_SDTYPE_DDR4:
>> +			mtype = MEM_DDR4;
>> +			break;
>>  		default:
>>  			mtype = MEM_UNKNOWN;
>>  			break;
>> @@ -495,8 +501,10 @@ int fsl_ddr_mc_err_probe(struct platform_device *op)
>>  	}
>>
>>  	edac_dbg(3, "init mci\n");
>> -	mci->mtype_cap = MEM_FLAG_RDDR | MEM_FLAG_RDDR2 |
>> -	    MEM_FLAG_DDR | MEM_FLAG_DDR2;
>> +	mci->mtype_cap = MEM_FLAG_DDR | MEM_FLAG_RDDR |
>> +			 MEM_FLAG_DDR2 | MEM_FLAG_RDDR2 |
>> +			 MEM_FLAG_DDR3 | MEM_FLAG_RDDR3 |
>
> DDR3 is silently added too, you can talk about that in the commit
> message, for example.

Right. That gives me something to say in the commit message.

York