From: Larry Finger <Larry.Finger@lwfinger.net>
To: John Williams <john@pond-weed.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH] rtl8192cu driver ignores eeprom channel plan
Date: Mon, 05 Mar 2012 19:52:48 -0600 [thread overview]
Message-ID: <4F556DF0.3070806@lwfinger.net> (raw)
In-Reply-To: <20120305213956.7c383096@buffy.scoobygang>
On 03/05/2012 03:39 PM, John Williams wrote:
> Larry,
>
> The various rtl8192xx drivers read the manufacturer-set channel plan
> into efuse.eeprom_channelplan, but ignore this and use
> efuse.channel_plan (which is never initialized) when deciding which
> channels to allow. The patch below allowed my device, purchased in
> Europe, to see channels 12 and 13 when configured with "iw reg set EC"
>
> It needs more work in order to accept being configured for arbitrary countries: would you like me to work on a more comprehensive patch?
Please - I have plenty to do. I had never had any problems with the allowed
channels, as I use CRDA and it sets my domain to US, which is as restrictive as any.
I just tested, and the RTL8192CE that I have installed at the moment has 0xA
(COUNTRY_CODE_WORLD_WIDE_13) in the eeprom, which happens to be what is set in
rtlpriv->efuse.channel_plan in rtl8192ce. That is not surprising as the card
came from Realtek and I would expect something appropriate for China.
Larry
prev parent reply other threads:[~2012-03-06 1:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-05 21:39 [PATCH] rtl8192cu driver ignores eeprom channel plan John Williams
2012-03-06 1:52 ` Larry Finger [this message]
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