Re: [PATCH] mmc: card: increase wait time

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The" [__mmc_send_status] 5" doesn't wait 5[msec].
So it wait up to 5[msec] x 50.

Thanks.

2017-11-14 21:44 GMT+09:00 Avri Altman <Avri.Altman@xxxxxxx>:
>
>
>> -----Original Message-----
>> From: linux-mmc-owner@xxxxxxxxxxxxxxx [mailto:linux-mmc-
>> owner@xxxxxxxxxxxxxxx] On Behalf Of Huijin Park
>> Sent: Tuesday, November 14, 2017 4:48 AM
>> To: ulf.hansson@xxxxxxxxxx
>> Cc: linux-mmc@xxxxxxxxxxxxxxx; bbang.huijin.park@xxxxxxxxx; Huijin Park
>> <huijin.park@xxxxxxxxxxx>
>> Subject: [PATCH] mmc: card: increase wait time
>>
>> Some eMMC products keep busy time a little longer intermittently.
>> (eg. prepare free blocks, garbage collection...) In this case, we recommend to
>> wait a little longer than fail.
>>
>> Signed-off-by: Huijin Park <huijin.park@xxxxxxxxxxx>
>> ---
>>  drivers/mmc/core/block.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index
>> ea80ff4..b5b0fe6 100644
>> --- a/drivers/mmc/core/block.c
>> +++ b/drivers/mmc/core/block.c
>> @@ -584,7 +584,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card
>> *card, struct mmc_blk_data *md,
>>                * Ensure RPMB command has completed by polling CMD13
>>                * "Send Status".
>>                */
>> -             err = ioctl_rpmb_card_status_poll(card, &status, 5);
>> +             err = ioctl_rpmb_card_status_poll(card, &status, 50);
>  Is this up to 1.25 sec or am I counting wrong?
> 5[msec] x 5 [__mmc_send_status] x 50
>
>>               if (err)
>>                       dev_err(mmc_dev(card->host),
>>                                       "%s: Card Status=0x%08X, error
>> %d\n",
>> --
>> 1.9.1
>>
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