linux-kernel - Re: [PATCH] rtlwifi/rtl8712u Revert firmware

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Message-ID: <505C9254.5090101@lwfinger.net>
Date:	Fri, 21 Sep 2012 11:14:12 -0500
From:	Larry Finger <Larry.Finger@...inger.net>
To:	Ben Hutchings <ben@...adent.org.uk>
CC:	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	dwmw2@...radead.org, Eric Dumazet <eric.dumazet@...il.com>,
	Jan Terstegge <jan@...stegge.net>
Subject: Re: [PATCH] rtlwifi/rtl8712u Revert firmware

On 09/20/2012 05:31 PM, Ben Hutchings wrote:
> On Mon, 2012-09-10 at 11:26 -0500, Larry Finger wrote:
>> Although the newest firmware for the RTL8192SU, which is found in vendor
>> driver rtl8188C_8192C_8192D_usb_linux_v3.4.2_3727.20120404, works with most
>> devices, it causes drops of the wireless connection for the ASUS WL-167G V3
>> (USB ID 0b05:1791), the D-Link DWA131 (07d1:3303), and probably others.
>> Tests show that the firmware from vendor driver
>> rtl8712_8188_8191_8192SU_usb_linux_v7_0.20100831 works better.
>>
>> This commerts reverts to that older firmware.
>>
>> Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
> [...]
>
> This is the original blob added by:
>
> commit 8f919160792e4702c6b7a67a243cea4f757407e4
> Author: Larry Finger <Larry.Finger@...inger.net>
> Date:   Mon Nov 1 23:56:52 2010 -0500
>
>      linux-firmware: Add firmware files for Realtek RTL8712U and RTL8192CE
>
> There have been two updates since then:
>
> commit f8ddc05e13c4c6dd9d725bc376b287f307eb223a
> Author: Larry Finger <Larry.Finger@...inger.net>
> Date:   Tue Aug 16 11:12:14 2011 -0500
>
>      rtlwifi: rtl8712u: Upgrade to firmware found in vendor's V2.6.6
>
> commit d8f60751d3f09545f51aac5d8e451f7668063ebf
> Author: Larry Finger <Larry.Finger@...inger.net>
> Date:   Wed Jul 11 13:18:30 2012 -0500
>
>      r8712u: Update to latest firmware
>
>      A new firmware file is used in the vendor driver with name/version
>      rtl8188C_8192C_8192D_usb_linux_v3.4.2_3727.20120404.
>
> Sure you want to revert both of these, not just the latest?

Yes. Both of the updates work on my hardware (D-Link and Rosewill), but both 
fail on an ASUS WL-167g v3 as reported privately to me. I will work with Realtek 
and the OP to resolve the problem, and then update the fw once again.

Thanks,

Larry


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