Message-ID: <1386797175.1516.272.camel@bwh-desktop.uk.level5networks.com> (sfid-20131211_222639_933728_97887CB8)
Subject: Re: [PATCH v2 15/16] wl1251: Add sysfs file address for setting
 permanent mac address
From: Ben Hutchings <bhutchings@solarflare.com>
To: Pali =?ISO-8859-1?Q?Roh=E1r?= <pali.rohar@gmail.com>
CC: Dan Williams <dcbw@redhat.com>, Kalle Valo <kvalo@adurom.com>,
	"Luciano Coelho" <luca@coelho.fi>,
	"John W. Linville" <linville@tuxdriver.com>,
	<linux-wireless@vger.kernel.org>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <freemangordon@abv.bg>,
	<aaro.koskinen@iki.fi>, <pavel@ucw.cz>, <sre@ring0.de>,
	<joni.lapilainen@gmail.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	Felipe Contreras <felipe.contreras@gmail.com>
Date: Wed, 11 Dec 2013 21:26:15 +0000
In-Reply-To: <201312102031.23797@pali>
References: <1382819655-30430-1-git-send-email-pali.rohar@gmail.com>
	 <201312101852.17030@pali> <1386703339.30202.19.camel@dcbw.foobar.com>
	 <201312102031.23797@pali>
Content-Type: text/plain; charset="UTF-8"
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Sender: linux-wireless-owner@vger.kernel.org

On Tue, 2013-12-10 at 20:31 +0100, Pali Rohár wrote:
[...]
> So, if you like this idea, can you help me how to write udev rule 
> which will run my own program (it print mac address) and send mac 
> address when driver ask for mac address in request_firmware? 
> Problem is that default udev rule for firmware trying to load data 
> from /lib/firmware/... but in this case mac address first must be 
> read from special location and converted to correct format.

Unfortunately, udev no longer supports firmware loading during module
loading (unless that was fixed - I don't think it has been).  Loading
firmware *files* still works because the kernel can read those directly
rather than requesting them from udev.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.