Hi Shawn,
[…]
>>> +
>>> +static int mmc_stop_auto_bkops(struct mmc_card *card)
>>> +{
>>> + int err = 0;
>>> +
>>> + if (!card->ext_csd.auto_bkops_en)
>>> + return 0;
>>> +
>>
>> Shouldn’t the BKOPS_STATUS be checked prior to disabling the BKOPS activity of the device?
>>
>
>Hrmm.. I read the whole section of spec for it, and I did find this
>requirement for manul bkops but not for the auto one. So what should we
>do if using the auto one?
>
In case of AUTO BKOPS, the eMMC Device should perform internal GC
in the same way as in case of MANUAL BKOPS.
The only difference is a host awareness.
Although there is no requirement in the spec, I think the driver can
give some time to the device to perform/complete its internal GC during the idle time.
Thus I think we can check the BKOPS_STATUS on Runtime suspend.
[…]
Thanks,
Alex
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