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

Kalle Valo kvalo at qca.qualcomm.com
Mon Sep 14 00:00:37 PDT 2015

Felix Fietkau <nbd at openwrt.org> 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 at vger.kernel.org
> Signed-off-by: Felix Fietkau <nbd at openwrt.org>

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?

Kalle Valo

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