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SubjectRe: [PATCH 0/3] brcmfmac: sdio: Deal better w/ transmission errors waking from sleep
On Sat, May 18, 2019 at 03:09:44PM +0000, Avri Altman wrote:
> >
> > This series attempts to deal better with the expected transmission
> > errors that we get when waking up the SDIO-based WiFi on
> > rk3288-veyron-minnie, rk3288-veyron-speedy, and rk3288-veyron-mickey.
> >
> > Some details about those errors can be found in
> > <>, but to summarize it here: if we try to
> > send the wakeup command to the WiFi card at the same time it has
> > decided to wake up itself then it will behave badly on the SDIO bus.
> > This can cause timeouts or CRC errors.
> Wake-up itself: as part of a WoWlan, or d0i3?

Neither, IIUC. (It's definitely not WoWLAN, and D0i3 sounds like an
Intel thing.)

I believe it's a Broadcom-specific mode. See also Arend's response to
this thread:

> Looks like this calls for a wifi driver fix, and not WA in the mmc driver.

Basically asked and answered in patch 2's thread:

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