Message-ID: <52B163CC.1030901@broadcom.com> (sfid-20131218_095943_327416_3C0D634C)
Date: Wed, 18 Dec 2013 09:58:52 +0100
From: Arend van Spriel <arend@broadcom.com>
MIME-Version: 1.0
To: Pontus Fuchs <pontus.fuchs@gmail.com>,
	Sander Eikelenboom <linux@eikelenboom.it>,
	Ben Hutchings <ben@decadent.org.uk>
CC: Julian Calaby <julian.calaby@gmail.com>,
	"Luis R. Rodriguez" <mcgrof@do-not-panic.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"Berg, Johannes" <johannes.berg@intel.com>,
	"Grumbach, Emmanuel" <emmanuel.grumbach@intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"ilw@linux.intel.com" <ilw@linux.intel.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"John W. Linville" <linville@tuxdriver.com>,
	Avinash Patil <avinashapatil@gmail.com>
Subject: Re: [cfg80211 / iwlwifi] setting wireless regulatory domain doesn't
 work.
References: <1342235583.20131211182804@eikelenboom.it> <CAB=NE6UfumA2xez1DvtDSBDZ72WF_tOozFo_8LRnMryYiSqD-A@mail.gmail.com> <871324710.20131211191104@eikelenboom.it> <CAB=NE6XRnE0j9NMW0K1vKzEO9v70arSH4YXZjudqa0ZxiLB4AA@mail.gmail.com> <1937118387.20131216122200@eikelenboom.it> <52AEE60B.6030509@broadcom.com> <19210260274.20131216135644@eikelenboom.it> <CAGRGNgXHemM2FfnXgW5RbzhFT+9SfUfVkjdysK3+=_u3hWSacw@mail.gmail.com> <1534126119.20131217104548@eikelenboom.it> <387552477.20131217213319@eikelenboom.it> <20131217212709.GB5624@decadent.org.uk> <1254825772.20131217224914@eikelenboom.it> <52B153B3.4070903@gmail.com>
In-Reply-To: <52B153B3.4070903@gmail.com>
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Sender: linux-wireless-owner@vger.kernel.org

On 12/18/2013 08:50 AM, Pontus Fuchs wrote:
> On 2013-12-17 22:49, Sander Eikelenboom wrote:
>>
>> Indeed, I looked for a crda hook for initramfs-tools but didn't find
>> it, so skipped that idea
>> for the moment.
>>
>> So if i combine the two .. it's essentially just a very bad idea to
>> compile the wireless stuff in.
>> It needs a access to a userland program at module load time, or it
>> will block forever.
> 
> The canonical trick to have cfg80211 built in is to execute crda
> manually in your boot scripts. This will satisfy the initial request and
> resolve the block.

There is a Kconfig option to have the regulatory data built-in the
kernel as well. Obviously that makes a regulatory update more difficult.

net/wireless/Kconfig:
config CFG80211_INTERNAL_REGDB
        bool "use statically compiled regulatory rules database" if EXPERT

Regards,
AvS