linux-kernel - Re: [PATCH v3 2/4] i2c: piix4: Move SB800_PIIX4_FCH_PM_ADDR definition to amd

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Message-ID: <Z_t5YADNi0vpPqGO@gmail.com>
Date: Sun, 13 Apr 2025 10:44:16 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Borislav Petkov <bp@...en8.de>
Cc: Mario Limonciello <superm1@...nel.org>,
	Jean Delvare <jdelvare@...e.com>,
	Andi Shyti <andi.shyti@...nel.org>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	Jonathan Corbet <corbet@....net>,
	Mario Limonciello <mario.limonciello@....com>,
	Yazen Ghannam <yazen.ghannam@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
	"H . Peter Anvin" <hpa@...or.com>,
	Shyam Sundar S K <Shyam-sundar.S-k@....com>,
	Hans de Goede <hdegoede@...hat.com>,
	"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>,
	"open list:I2C/SMBUS CONTROLLER DRIVERS FOR PC" <linux-i2c@...r.kernel.org>,
	"open list:AMD PMC DRIVER" <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH v3 2/4] i2c: piix4: Move SB800_PIIX4_FCH_PM_ADDR
 definition to amd_node.h


* Ingo Molnar <mingo@...nel.org> wrote:

> 
> * Borislav Petkov <bp@...en8.de> wrote:
> 
> > I was aiming more for a header which contains non-CPU defines - 
> > i.e., platform. But the FCH is only one part of that platform. But 
> > let's start with amd/fch.h - "amd/" subpath element would allow us 
> > to trivially put other headers there too - and see where it gets 
> > us. We can (and will) always refactor later if needed...
> 
> Yeah, agreed on opening the <asm/amd/> namespace for this.

Here's a tree that establishes <asm/amd/> and moves existing headers 
there:

  git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git WIP.x86/platform

Mario, could you base your series on top of this tree?

Thanks,

	Ingo

===============>
Ingo Molnar (6):
  x86/platform/amd: Move the <asm/amd-ibs.h> header to <asm/amd/ibs.h>
  x86/platform/amd: Add standard header guards to <asm/amd/ibs.h>
  x86/platform/amd: Move the <asm/amd_nb.h> header to <asm/amd/nb.h>
  x86/platform/amd: Move the <asm/amd_hsmp.h> header to <asm/amd/hsmp.h>
  x86/platform/amd: Clean up the <asm/amd/hsmp.h> header guards a bit
  x86/platform/amd: Move the <asm/amd_node.h> header to <asm/amd/node.h>

 Documentation/userspace-api/ioctl/ioctl-number.rst | 2 +-
 MAINTAINERS                                        | 6 +++---
 arch/x86/events/amd/ibs.c                          | 2 +-
 arch/x86/include/asm/{amd_hsmp.h => amd/hsmp.h}    | 4 ++--
 arch/x86/include/asm/{amd-ibs.h => amd/ibs.h}      | 5 +++++
 arch/x86/include/asm/{amd_nb.h => amd/nb.h}        | 2 +-
 arch/x86/include/asm/{amd_node.h => amd/node.h}    | 0
 arch/x86/kernel/amd_gart_64.c                      | 2 +-
 arch/x86/kernel/amd_nb.c                           | 2 +-
 arch/x86/kernel/amd_node.c                         | 2 +-
 arch/x86/kernel/aperture_64.c                      | 2 +-
 arch/x86/kernel/cpu/cacheinfo.c                    | 2 +-
 arch/x86/kernel/cpu/mce/inject.c                   | 2 +-
 arch/x86/mm/amdtopology.c                          | 2 +-
 arch/x86/mm/numa.c                                 | 2 +-
 arch/x86/pci/amd_bus.c                             | 2 +-
 arch/x86/pci/fixup.c                               | 2 +-
 drivers/char/agp/amd64-agp.c                       | 2 +-
 drivers/edac/amd64_edac.c                          | 4 ++--
 drivers/hwmon/k10temp.c                            | 2 +-
 drivers/platform/x86/amd/hsmp/acpi.c               | 4 ++--
 drivers/platform/x86/amd/hsmp/hsmp.c               | 2 +-
 drivers/platform/x86/amd/hsmp/plat.c               | 4 ++--
 drivers/platform/x86/amd/pmc/mp1_stb.c             | 2 +-
 drivers/platform/x86/amd/pmc/pmc.c                 | 2 +-
 drivers/platform/x86/amd/pmf/core.c                | 2 +-
 drivers/pnp/quirks.c                               | 2 +-
 drivers/ras/amd/atl/internal.h                     | 4 ++--
 sound/soc/amd/acp/acp-rembrandt.c                  | 2 +-
 sound/soc/amd/acp/acp63.c                          | 2 +-
 sound/soc/amd/acp/acp70.c                          | 2 +-
 sound/soc/sof/amd/acp.c                            | 2 +-
 tools/perf/check-headers.sh                        | 2 +-
 tools/perf/util/amd-sample-raw.c                   | 2 +-
 34 files changed, 44 insertions(+), 39 deletions(-)
 rename arch/x86/include/asm/{amd_hsmp.h => amd/hsmp.h} (91%)
 rename arch/x86/include/asm/{amd-ibs.h => amd/ibs.h} (98%)
 rename arch/x86/include/asm/{amd_nb.h => amd/nb.h} (98%)
 rename arch/x86/include/asm/{amd_node.h => amd/node.h} (100%)

-- 
2.45.2