From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Peter Oh <poh@qca.qualcomm.com>
Cc: <ath10k@lists.infradead.org>, <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH v2] ath: use PRI value given by spec for fixed PRI
Date: Wed, 9 Sep 2015 12:55:39 +0300 [thread overview]
Message-ID: <87h9n39ask.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <f9db7f54d12e2589bcbb39215049d51a762d5d75.1441731619.git.poh@qca.qualcomm.com> (Peter Oh's message of "Tue, 8 Sep 2015 10:04:41 -0700")
Peter Oh <poh@qca.qualcomm.com> writes:
> PRI value is used as divider when DFS detector analyzes candidate
> radar pulses.
> If PRI deviation is big from its origin PRI, DFS detector could miss
> valid radar reports since HW often misses detecting radar pulses and
> causes long interval value of pulses.
>
> For instance from practical results, if runtime PRI is calculated as
> 1431 for fixed PRI value of 1428 and delta timestamp logs 15719,
> the modular remainder will be 1409 and the delta between the remainder
> and runtime PRI is 22 that is bigger than PRI tolerance which is 16.
> As a result this radar report will be ignored even though it's valid.
>
> By using spec defined PRI for fixed PRI, we can correct this error.
>
> Signed-off-by: Peter Oh <poh@qca.qualcomm.com>
A changelog would be good to have. What changed in v2?
--
Kalle Valo
next prev parent reply other threads:[~2015-09-09 9:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-08 17:04 [PATCH v2] ath: use PRI value given by spec for fixed PRI Peter Oh
2015-09-09 9:55 ` Kalle Valo [this message]
-- strict thread matches above, loose matches on Subject: below --
2015-09-09 17:53 Peter Oh
2015-09-27 12:53 ` Kalle Valo
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