[PATCH 0/2] ath10k: warm reset fixes 2014-05-14

Kalle Valo kvalo at qca.qualcomm.com
Fri May 16 06:49:08 PDT 2014

Michal Kazior <michal.kazior at tieto.com> writes:

> Hi,
> Warm reset was not able to recover from a device
> crash so ath10k was falling back to cold reset
> which would occasionally hang the system or
> generate a data bus error with some device chips.
> Warm reset now works a lot more reliably (at least
> on my T430). It's able to recover from a "hard"
> simulate fw crash and some firmware asserts I've
> forced meaning it should recover in most cases
> without falling back to the cold reset.
> There's still one case of a crash warm reset is
> incapable to recover from: IOMMU faults (when
> supported and enabled and device tries to access
> non-DMA mapped host memory) trigger device crash
> and leave CE totally unresponsive before and after
> the warm reset.
> Michal Kazior (2):
>   ath10k: improve warm reset reliability
>   ath10k: retry warm reset a few times

Thanks, both patches applied.

Kalle Valo

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