Re: [PATCH 0/2] mmc: core: pre-patch for next eMMC version

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Hi Ulf and Chris,

Could you have any opinion?
If you have no more, could you merge the patch for eMMC5.0?

Best Regards,
Jaehoon Chung

On 08/29/2012 08:59 PM, Kyungmin Park wrote:
> Hi Ulf,
> 
> On 8/29/12, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
>> Hi Jaehoon,
>>
>> On 28 August 2012 06:33, Jaehoon Chung <jh80.chung@xxxxxxxxxxx> wrote:
>>> Hi Ulf,
>>>
>>> This patch is to support eMMC5.0.(already discussing on eMMC5.0.)
>>> Revision value is defined the 0x7 into ext_csd register.(in eMMC5.0's
>>> case)
>>
>> Until the spec is really set we should not add some new code for this,
>> it does not make sense to kind of guess.
> It's not guess. it's determined and will be discussed at JEDEC soon.
> 
> Revision 1.7 (for MMC V5.0)
> 
> Thank you,
> Kyungmin Park
>>
>>>
>>> And case of Quirks is preparation patch to prevent the problem that should
>>> exist.
>>> That Quirks can also use for backward compatibility.
>>> (if card is greater version than eMMC4.5 and need to use only eMMC4.5
>>> feature?
>>>  then can use quirks and known_rev.)
>>
>> It is just speculations about potential problems with eMMC 5.0. I
>> think we can leave this to later, if/when we see a need for it.
>>
>> Kind regards
>> Ulf Hansson
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