Re: [PATCH] firmware: Make firmware drivers generally available
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- To: Lars-Peter Clausen <lars@xxxxxxxxxx>
- Subject: Re: [PATCH] firmware: Make firmware drivers generally available
- From: Clemens Ladisch <clemens@xxxxxxxxxx>
- Date: Fri, 17 Jun 2011 15:16:35 +0200
- Cc: Mike Frysinger <vapier@xxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, uclinux-dist-devel@xxxxxxxxxxxxxxxxxxxx, Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
- In-reply-to: <1308310831-27861-1-git-send-email-lars@metafoo.de>
- List-id: <linux-ia64.vger.kernel.org>
- References: <20110617103218.GA29723@opensource.wolfsonmicro.com> <1308310831-27861-1-git-send-email-lars@metafoo.de>
- User-agent: Thunderbird 2.0.0.24 (Windows/20100228)
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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