Hi Yangbo,
On 08/09/2016 08:06 AM, Jaehoon Chung wrote:
> Hi Yangbo,
>
> On 08/02/2016 04:33 PM, Yangbo Lu wrote:
>> When the MMC framework was added in u-boot, the mmc_go_idle was
>> added before mmc_send_op_cond_iter in function mmc_send_op_cond
>> annotating that some cards seemed to need this. Actually, we still
>> need to do this in function mmc_complete_op_cond for those cards.
>> This has been verified on Micron MTFC4GACAECN eMMC chip.
>
> This patch is not bad.. but i need to verify more about entire sequence.
> Could you wait a bit?
Applied on u-boot-mmc. Thanks!
Best Regards,
Jaehoon Chung
>
> Best Regards,
> Jaehoon Chung
>
>>
>> Signed-off-by: Yangbo Lu <yangbo...@nxp.com>
>> ---
>> drivers/mmc/mmc.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
>> index f8e5f7a..d4e96bc 100644
>> --- a/drivers/mmc/mmc.c
>> +++ b/drivers/mmc/mmc.c
>> @@ -422,6 +422,9 @@ static int mmc_complete_op_cond(struct mmc *mmc)
>>
>> mmc->op_cond_pending = 0;
>> if (!(mmc->ocr & OCR_BUSY)) {
>> + /* Some cards seem to need this */
>> + mmc_go_idle(mmc);
>> +
>> start = get_timer(0);
>> while (1) {
>> err = mmc_send_op_cond_iter(mmc, 1);
>>
>
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