linux-kernel - Re: [PATCH 0/7] Adjust all AMD audio drivers to use AMD

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Message-ID: <Z7SjI-NIZbMEgz2y@finisterre.sirena.org.uk>
Date: Tue, 18 Feb 2025 15:11:31 +0000
From: Mark Brown <broonie@...nel.org>
To: Mario Limonciello <superm1@...nel.org>
Cc: Yazen Ghannam <yazen.ghannam@....com>, Borislav Petkov <bp@...en8.de>,
	Mario Limonciello <mario.limonciello@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
	"H . Peter Anvin" <hpa@...or.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
	Bard Liao <yung-chuan.liao@...ux.intel.com>,
	Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
	Daniel Baluta <daniel.baluta@....com>,
	Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@...ux.dev>,
	Vijendar Mukunda <Vijendar.Mukunda@....com>,
	Peter Zijlstra <peterz@...radead.org>,
	Jeff Johnson <quic_jjohnson@...cinc.com>,
	Venkata Prasad Potturu <venkataprasad.potturu@....com>,
	Uwe Kleine-König <u.kleine-koenig@...libre.com>,
	Arnd Bergmann <arnd@...db.de>,
	Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	"open list:AMD NODE DRIVER" <linux-kernel@...r.kernel.org>,
	"open list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." <linux-sound@...r.kernel.org>,
	"moderated list:SOUND - SOUND OPEN FIRMWARE (SOF) DRIVERS" <sound-open-firmware@...a-project.org>
Subject: Re: [PATCH 0/7] Adjust all AMD audio drivers to use AMD_NODE

On Mon, Feb 17, 2025 at 05:17:40PM -0600, Mario Limonciello wrote:

> The various AMD audio drivers have self contained implementations
> for SMN router communication that require hardcoding the bridge ID.

> These implementations also don't prevent race conditions with other
> drivers performing SMN communication.

> A new centralized driver AMD_NODE is introduced and all drivers in
> the kernel should use this instead. Adjust all AMD audio drivers to
> use it.
> Mario Limonciello (7):
>   x86/amd_node: Add a helper for use with `read_poll_timeout`

What's the thinking for merging this - the SMN driver is in arch/x86 but
the bulk of the changes are in ASoC?  My first thought is that it's
mostly ASoC stuff, are the x86 people OK with me picking up the arch
patch (I'd put it on a branch anyway so if needed we can do a merge
later)?

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