On 1/24/17, 4:36 PM, "Adrian Hunter" <adrian.hunter@xxxxxxxxx> wrote:
On 23/01/17 19:07, Alex Lemberg wrote:
> Hi Adrian,
>
> I would like to add several notes on top of Uri’s answer...
> I agree with you, by the spec, PON Sleep_Notification should be
> set before calling Sleep command.
> As you probably remember, we have tried to implement it
> in the past and even submitted a patch – “[PATCH] mmc: sleep notification”
> https://www.mail-archive.com/linux-mmc@xxxxxxxxxxxxxxx/msg30906.html
> As you can see from the thread, one of the main issues in Sleep_Notification
> is a SLEEP_NOTIFICATION_TIME (defined in EXT_CSD [216]), which need to be
> considered in implementation…
Does it? I would tend to assume SLEEP_NOTIFICATION_TIME will be acceptable
during _suspend until proven otherwise.
Potentially, by the spec, the Max value of SLEEP_NOTIFICATION_TIME can be 83.88 seconds.
Can we assume that this time is acceptable during _suspend?
> Thus, I think postponing Sleep during suspend requires a different from current
> AUTO_BKOPS implementation, and I suggest to handle it in separate
> patchset, if possible.
Not at all sure what you mean by "postponing Sleep"?
I mean letting Sleep_Notification to be completed before Sleep.
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