[PATCH v2 1/3] ath10k: Use complete VHT chan width for 160MHz workaround

Ben Greear greearb at candelatech.com
Fri Jun 9 06:50:11 PDT 2017

On 06/09/2017 04:07 AM, Sven Eckelmann wrote:
> From: Ben Greear <greearb at candelatech.com>
> The ath10k firmware doesn't announce its VHT channel width capabilities in
> the vht_cap information from the "service ready event" arguments. The
> driver must therefore check whether the 160MHz short GI bit is set and
> whether the driver still doesn't set the bits for the 160/80+80 MHz
> capabilities.
> The two bits for the channel width are a two bit integer and not two
> separate bits which cannot be parsed without the knowledge of the other
> bit. Using IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ (b10..) as a
> mask for this task doesn't make any sense. The correct mask for the VHT
> channel width should be used instead to make this check more readable.

I didn't test them, but a quick review looks good.  Thanks for picking this up!


Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com

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