Re: [PATCH] Fix omap gpmc OEEXTRADELAY and WEEXTRADELAY timing

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Hi Sébastien,

On 16/06/16 08:29, SebastienOcquidant@xxxxxxxxx wrote:
> Hi Roger,
> 
> Many thanks for the feedback.
> Do I need to do something else concerning this patch?
> 

You don't have to do anything else. Thanks.
FYI. It is better to avoid top posting on mailing lists.

--
cheers,
-roger

> -----Message d'origine-----
> De : Roger Quadros [mailto:rogerq@xxxxxx] 
> Envoyé : mercredi 15 juin 2016 16:03
> À : Ocquidant, Sebastien; tony@xxxxxxxxxxx
> Cc : linux-omap@xxxxxxxxxxxxxxx
> Objet : Re: [PATCH] Fix omap gpmc OEEXTRADELAY and WEEXTRADELAY timing
> 
> Sébastien,
> 
> On 15/06/16 16:23, SebastienOcquidant@xxxxxxxxx wrote:
>> Dear Roger,
>>
>> I've apply your recommendation. Below is the patch.
>> I cannot use git-send-email as I am using a VM to run linux and my 
>> organization do not allow me to send email from it :o(
>>
>> Br,
>>
>> Sébastien
>>
>> --- Patch starts below ---
>>
>> From 5e5d5194eeb4c74845a89138d6145780baa9fd99 Mon Sep 17 00:00:00 2001
>> From: "Ocquidant, Sebastien" <sebastienocquidant@xxxxxxxxx>
>> Date: Wed, 15 Jun 2016 13:47:35 +0200
>> Subject: [PATCH] memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing
>>
>> In the omap gpmc driver it can be noticed that 
>> GPMC_CONFIG4_OEEXTRADELAY is overwritten by the WEEXTRADELAY value 
>> from the device tree and GPMC_CONFIG4_WEEXTRADELAY is not updated by 
>> the value from the device tree.
>>
>> As a consequence, the memory accesses cannot be configured properly 
>> when the extra delay are needed for OE and WE.
>>
>> The proposed patch fixes the update of GPMC_CONFIG4_WEEXTRADELAY with 
>> the value from the device tree file and prevents 
>> GPMC_CONFIG4_OEXTRADELAY being overwritten by the WEXTRADELAY value from the device tree.
>>
>> Signed-off-by: Ocquidant, Sebastien <sebastienocquidant@xxxxxxxxx>
> 
> Looks good to me. I'll queue it up for v4.7-rc.
> 
> As this affects stable kernel let's add
> 
> Cc: stable@xxxxxxxxxxxxxxx
> 
>> ---
>>  drivers/memory/omap-gpmc.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c 
>> index af4884b..15508df 100644
>> --- a/drivers/memory/omap-gpmc.c
>> +++ b/drivers/memory/omap-gpmc.c
>> @@ -398,7 +398,7 @@ static void gpmc_cs_bool_timings(int cs, const struct gpmc_bool_timings *p)
>>  	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4,
>>  			   GPMC_CONFIG4_OEEXTRADELAY, p->oe_extra_delay);
>>  	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4,
>> -			   GPMC_CONFIG4_OEEXTRADELAY, p->we_extra_delay);
>> +			   GPMC_CONFIG4_WEEXTRADELAY, p->we_extra_delay);
>>  	gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG6,
>>  			   GPMC_CONFIG6_CYCLE2CYCLESAMECSEN,
>>  			   p->cycle2cyclesamecsen);
>>
> 
> --
> cheers,
> -roger
> 
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