[PATCH v2] ath10k: use MAC clock rate same as FW uses for survey accuracy

Kalle Valo kvalo at qca.qualcomm.com
Thu Apr 16 23:44:43 PDT 2015

Peter Oh <poh at qca.qualcomm.com> writes:

> WLAN survey data provides several informative values on each channels
> such as noise, active time, transmit time, and etc.
> Regarding the channel activity time data, it is reported from firmware
> in different form which is number of cycles instead of time itself.
> Hence host driver converts it to time unit by dividing it by clock rate
> that is used at baseband MAC.
> Using difference clock rate from that actual HW is using will result in
> inaccurate survey data. For instance, channel active time can be reported
> with bigger than 150ms even though we set Dwell time to 150ms.
> Therefore set the clock rate to 88000 (88 MHz) which is ath10k baseband
> MAC is using.
> Signed-off-by: Peter Oh <poh at qca.qualcomm.com>

Thanks, applied.

Kalle Valo

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