Re: [PATCH] sd: mmc: Fix SET_BLOCK_COUNT command argument

[Cédric Le Goater]

On 6/23/21 10:52 AM, Philippe Mathieu-Daudé wrote:
> On 6/23/21 10:39 AM, Bin Meng wrote:
>> On Wed, Jun 23, 2021 at 4:30 PM Cédric Le Goater <clg@kaod.org> wrote:
>>>
>>> The number of blocks is defined in the lower bits [15:0]
>>
>> I checked the physical spec v8.00 and it says bits [31:0] for CMD23 argument.
> 
> Watch out, we only support 1-3:
> 
> enum SDPhySpecificationVersion {
>     SD_PHY_SPECv1_10_VERS     = 1,
>     SD_PHY_SPECv2_00_VERS     = 2,
>     SD_PHY_SPECv3_01_VERS     = 3,
> };
> 

Yes. block count was increased to 32-bit in v4 if I am correct. 

Any how, it is a bit more complex than the patch I sent which is fixing 
an issue I saw with eMMC.

Thanks,

C.