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

From: Pavel Machek
Date: Wed Oct 30 2013 - 07:24:13 EST


On Sat 2013-10-26 22:34:01, Pali Rohár wrote:
> From: David Gnedt <david.gnedt@xxxxxxxxxxx>
>
> 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@xxxxxxxxxxx>

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@xxxxxx>

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/