linux-kernel - Re: [PATCH] firmware: Make firmware drivers generally available

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Message-ID: <4DFB53B3.8070806@ladisch.de>
Date:	Fri, 17 Jun 2011 15:16:35 +0200
From:	Clemens Ladisch <clemens@...isch.de>
To:	Lars-Peter Clausen <lars@...afoo.de>
CC:	Mike Frysinger <vapier@...too.org>,
	Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, linux-ia64@...r.kernel.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: Re: [PATCH] firmware: Make firmware drivers generally available

Lars-Peter Clausen wrote:
> Currently only x86, ia64 and blackfin architectures include
> drivers/firmware/Kconfig, as a result firmware drivers are only available on
> these platforms. This has not been a problem historically, because all of the
> firmware drivers were architecture specific.
> 
> But this has changed with the addition of the SigmaStudio firmware loader
> (commit e359dc24 "sigma-firmware: loader for Analog Devices' SigmaStudio"),
> which is used to parse and load firmware files for Analog Devices' SigmaDSP
> processors.

It looks as if sigma.c doesn't actually belong into drivers/firmware.
That directory is for code that lets the kernel access the firmware
of the platform that the kernel itself runs on.

The request_firmware() stuff is usually part of the actual driver that
needs it.


Regards,
Clemens
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