linux-kernel - Re: [GIT *] Allow request_firmware() to be satisfied from in-kernel, use it in more drivers.

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Message-ID: <20080715204750.GM1369@1wt.eu>
Date:	Tue, 15 Jul 2008 22:47:50 +0200
From:	Willy Tarreau <w@....eu>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Marcel Holtmann <marcel@...tmann.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Frans Pop <elendil@...net.nl>, arjan@...radead.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT *] Allow request_firmware() to be satisfied from in-kernel, use it in more drivers.

On Tue, Jul 15, 2008 at 04:26:41PM -0400, Jeff Garzik wrote:
> To be extremely concrete, firmware-in-module is
> 
> 	* add Kconfig option (kernel-wide or per-driver, dunno) asking
> 	  "build firmware into drivers, as before?"
> 
> 	* tweak build process to build firmware into foo.ko output,
> 	  probably in a specially marked ELF section
> 
> 	* get request_firmware() to automatically notice that the
> 	  MODULE_FIRMWARE() was built into this driver, and to
> 	  look at the special ELF section for its data

Jeff, just thinking, wouldn't it be slightly easier to move the firmware
in a separate module on its own and just add a dependency, so that foo.ko
automatically loads foo-fw.ko ? I know it will be slightly differente, but
would not change in-site deployment workflows nor installed scripts.

Regards,
Willy

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