From: Mylene JOSSERAND <mylene.josserand@free-electrons.com>
To: Jes Sorensen <jes.sorensen@gmail.com>
Cc: kvalo@codeaurora.org, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Maxime Ripard <maxime.ripard@free-electrons.com>
Subject: Re: Wifi RTL8723bu driver test: failed to scan
Date: Mon, 4 Dec 2017 16:54:58 +0100 [thread overview]
Message-ID: <20171204165458.0bf87509@dell-desktop.home> (raw)
In-Reply-To: <75669dd0-1f25-fc7e-4a4d-a5549aeeb2cf@gmail.com>
Hello,
Le Tue, 28 Nov 2017 11:14:10 -0500,
Jes Sorensen <jes.sorensen@gmail.com> a écrit :
> On 11/22/2017 04:51 AM, Mylene JOSSERAND wrote:
> > Hello Jes Sorensen,
> >
> > I am currently testing a LM811 Wifi/BT USB dongle [1] on a Sinlinx
> > SinA33 Allwinner SoC board [2]. I saw that I should use the realtek
> > driver RTL8723BU for this USB dongle.
> >
> > Currently, I am only testing the Wifi and the mainline driver
> > (kernel 4.14-rc7) does not seem to work. At least, the scanning
> > does not output anything.
> >
> > I tested the driver recommended by LM Technologies [3] and it works
> > fine (scan, connect and ping are ok). Before investigating on the
> > differences between these two drivers, do you have any idea about
> > this issue?
> >
> > Here are the commands and output I got with mainline's driver:
>
> I have not looked at the driver these LM Technologies people are
> referring to, but I am guessing it's the vendor code.
Yes, it is.
>
> 8723bu is a little dicey because it has BT in the chip and if you
> enable that the two drivers need to interact, which rtl8xxxu
> currently doesn't know about. Check your dmesg output to make sure
> you don't have some BT thing loaded hijacking the chip.
Okay, I was also testing the BT so maybe, it was the case. I will
have a try without any BT drivers.
Anyway, thank you for your help!
Best regards,
--
Mylène Josserand, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
next prev parent reply other threads:[~2017-12-04 15:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-22 9:51 Wifi RTL8723bu driver test: failed to scan Mylene JOSSERAND
[not found] ` <20171122105116.57c3c000-K8i4uRanGBt8XcdJbWeDu7NAH6kLmebB@public.gmane.org>
2017-11-28 16:14 ` Jes Sorensen
2017-12-04 15:54 ` Mylene JOSSERAND [this message]
2017-12-18 13:47 ` Mylene JOSSERAND
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