From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 615DF443A94; Thu, 30 Jul 2026 16:21:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785428478; cv=none; b=hFt9xoRMyGjuitIOnH8gTd+pozAS0SmMIbOlj3H+/9IEptx9Y5lT7uk5SHwwTuXL/gV6yLKcCSNIz5sywdRE9Q5qz2Ceiq1dCDhvozR/42WUdBOsa3Y3tmgIAs8kub2L6qg3aFpasURjoudWoDX8zUxyDCj8wn6b0PRHttEuLgo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785428478; c=relaxed/simple; bh=vgAaEDYnEiyIcw8WvXb+LJM4O/djtYS0hbJLAP6qGBw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=m8xxlNiAiI7HME1F8FvBWtpUCdMCJxXen5ol/z5F1DuWPrxcuZTl9i3Z3jpK9lVZGFU2YTfNylaR/ejRsyhAT9KJGaOvAoVyQNNJUmAoLCxnZIq0xiKCSCw1LfjT2m5RJHs11FUni196GPa49ALLv/lIXImkoUHTMC9NxNyb4+A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=vPJ9CUUg; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="vPJ9CUUg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B676F1F000E9; Thu, 30 Jul 2026 16:21:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1785428477; bh=f9wvIaksClS1jB3hklR/Msv5qmQ/ojOlrqo8+jkn6vQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=vPJ9CUUgL/+A/2/2zFeWe0+jlEx+O/0w5vk71RJ4KmWGMLkGVfZ81vi9T7l3eZ3L9 qWCIHptjOhjv+lJAcRjYraoe8LMZG7BeICluw2kWTgPa7AE8ntWWVP6BNuPA4B6gfq XhaYe0CCG9+da8wV1G5HwWOW7S2tOZVR7N/7duT0= Date: Thu, 30 Jul 2026 17:05:13 +0200 From: Greg Kroah-Hartman To: Neal Gompa Cc: Danilo Krummrich , Russ Weight , Luis Chamberlain , asahi@lists.linux.dev, driver-core@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, Sven Peter , Janne Grunau , Jonathan Corbet , Shuah Khan , "Rafael J. Wysocki" Subject: Re: [PATCH] firmware_loader: Add /lib/firmware/vendor paths for Apple ARM platforms Message-ID: <2026073008-crane-jolly-2204@gregkh> References: <20260730004759.3089449-1-neal@gompa.dev> <2026073019-emoticon-decidable-200e@gregkh> Precedence: bulk X-Mailing-List: driver-core@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Thu, Jul 30, 2026 at 10:55:00AM -0400, Neal Gompa wrote: > On Thu, Jul 30, 2026 at 2:01 AM Greg Kroah-Hartman > 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 ignored > > > > 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? If it works, yes :)