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Re: [PATCH 4.3] ath10k: fix DMA related firmware crashes on multiple devices

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Felix Fietkau <nbd@xxxxxxxxxxx> writes:

> On 2015-09-14 09:00, Kalle Valo wrote:
>> Felix Fietkau <nbd@xxxxxxxxxxx> writes:
>> 
>>> Some platforms really don't like DMA bursts of 256 bytes, and this
>>> causes the firmware to crash when sending beacons.
>>> Also, changing this based on the firmware version does not seem to make
>>> much sense, so use 128 bytes for all versions.
>>>
>>> Cc: stable@xxxxxxxxxxxxxxx
>>> Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
>> 
>> Nice, good catch! Just to make sure, this fixes the issues some people
>> have reported that 10.1 firmware works but 10.2 firmware crashes when
>> starting beaconing?
>
> Yes. I was able to reproduce that issue myself on a Gateworks Laguna
> device, which is among the affected devices reported in that email
> thread. This patch fixes it for me.

Awesome. Can you please resend this and CC ath10k@xxxxxxxxxxxxxxxxxxx
(as well as linux-wireless) so that I get this to the correct patchwork
project? I'll then send it forward to 4.3.

-- 
Kalle Valo
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