linux-kernel - Re: [PATCH 02/16] wl1251: fix scan behaviour while not associated

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Message-ID: <20131030112405.GA8204@amd.pavel.ucw.cz>
Date:	Wed, 30 Oct 2013 12:24:05 +0100
From:	Pavel Machek <pavel@....cz>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Luciano Coelho <luca@...lho.fi>,
	"John W. Linville" <linville@...driver.com>,
	Johannes Berg <johannes@...solutions.net>,
	"David S. Miller" <davem@...emloft.net>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, freemangordon@....bg,
	aaro.koskinen@....fi, sre@...g0.de, joni.lapilainen@...il.com,
	David Gnedt <david.gnedt@...izone.at>
Subject: Re: [PATCH 02/16] wl1251: fix scan behaviour while not associated

On Sat 2013-10-26 22:34:01, Pali Rohár wrote:
> From: David Gnedt <david.gnedt@...izone.at>
> 
> With a dissacociated card I often encoutered very long scan delays.
> 
> My guess is that it has something to do with the cards DTIM handling and
> another firmware bug mentioned in the TI WLAN driver, which is described as
> the card may never end scanning if the channel is overloaded because it
> can't send probe requests. I think the firmware somehow also tries to
> receive DTIM messages when the BSSID is not set. Therefore most of the time
> it waits for DTIM messages and can't do scanning work.
> 
> Anyway we can workaround this misbehaviour by setting the HIGH_PRIORITY
> bit for scans in disassociated state.
> 
> Signed-off-by: David Gnedt <david.gnedt@...izone.at>

I guess you should add your Signed-off-by: here (as you are sending
the patch forward).

Other than that:

Reviewed-by: Pavel Machek <pavel@....cz>

-- 
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