Re: [PATCH 2/2] mmc: core: Add no single read retries

[Adrian Hunter]

On 17/02/21 7:46 am, Adrian Hunter wrote:
> On 17/02/21 7:22 am, DooHyun Hwang wrote:
>> This makes to handle read errors faster by not retrying
>> multiple block read(CMD18) errors with single block reads(CMD17).
>>
>> On some bad SD Cards that have problem with read operations,
>> it is not helpful to retry multiple block read errors with
>> several single block reads, and it is delayed to treat read
>> operations as I/O error as much as retrying single block reads.
> 
> If the issue is that it takes too long, then maybe it would be better to get
> mmc_blk_read_single() to give up after a certain amount of time.
> 

So that a device property would not be needed I mean.  Then everyone would
benefit.