Re: [PATCH] firmware_loader: Add /lib/firmware/vendor paths for Apple ARM platforms

On Thu, Jul 30, 2026 at 2:01=E2=80=AFAM Greg Kroah-Hartman
<[email protected]> wrote:
>
> On Wed, Jul 29, 2026 at 08:42:58PM -0400, Neal Gompa wrote:
> > On Apple ARM machines (branded Apple Silicon Macs), there is
> > non-redistributable firmware provided in macOS that is required
> > for Linux to leverage the hardware to run properly.
> >
> > The firmware covers Wi-Fi+BT support, USB, hardware ISP, the touchbar
> > touchscreen, and the trackpad.
> >
> > In order to ensure this firmware can be installed without messing
> > with firmware provided by linux-firmware and other packages that
> > put things in the tree, the empty "vendor" subdirectory was created
> > to serve this purpose. This directory is used by the asahi dracut
> > module as part of the Asahi Linux installation process to transfer
> > firmware from macOS to the newly installed Linux system.
>
> Why is this needed when there is the ability for userspace to add their
> own firmware search path to the list today?
>
> We aren't going to keep adding random paths here, please use the option
> that is designed specifically for this:
>
> >  * fw_path_para - module parameter - default is empty so this is ignore=
d
>
> Right there.

I was not familiar with this feature, and I had inherited the patch as
part of our cleanup effort to upstream the Asahi work. Sorry about
that!

Based on the documentation, this is the patch I've created for our
dracut module: https://github.com/AsahiLinux/asahi-scripts/pull/72

Is this how it is supposed to be used?


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