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From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Peter Oh <poh@qca.qualcomm.com>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: Re: [PATCH v2] ath10k: use MAC clock rate same as FW uses for survey accuracy
Date: Fri, 17 Apr 2015 09:44:43 +0300	[thread overview]
Message-ID: <87egnj45k4.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <6a113cdb1b0dbbb6d98ab6b363b4912474c32bac.1428701627.git.poh@qca.qualcomm.com> (Peter Oh's message of "Mon, 13 Apr 2015 11:01:20 -0700")

Peter Oh <poh@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@qca.qualcomm.com>

Thanks, applied.

-- 
Kalle Valo

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      reply	other threads:[~2015-04-17  6:45 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-13 18:01 [PATCH v2] ath10k: use MAC clock rate same as FW uses for survey accuracy Peter Oh
2015-04-17  6:44 ` Kalle Valo [this message]

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