Re: Problems loading firmware using built-in drivers with kernels that use initramfs.
From: Takashi Iwai
Date: Tue Aug 25 2015 - 15:46:54 EST
On Tue, 25 Aug 2015 21:34:08 +0200,
Luis R. Rodriguez wrote:
> On Tue, Aug 25, 2015 at 10:17:00AM +0100, David Woodhouse wrote:
> > Luis, did you tell me the other day that you made the kernel get firmware
> > directly from the file system? This regression would be yours then?
> I didn't implement that, Linus did in 2012 (see commit abb139e75c2c titled
> "firmware: teach the kernel to load firmware files directly from the
> filesystem"). But we used to fallback to a userspace helper when the fw was
> not present and then Takashi made this optional via commit 7b1269f778782d
> titled "firmware: Make user-mode helper optional". Takashi noted in the
> Kconfig "The user-mode helper is no longer required unless you have a
> special firmware file that resides in a non-standard path". It was not
> clarified why that's true though, or what you'd need to do to ensure
> that the fw would be available. It would be good for us to elaborate
> on that.
The recent udev already dropped the firmware loading feature.
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