linux-kernel - [PATCH v2 0/3] Cleanups in amd64_edac and removal of legacy EDAC sysfs interface

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Message-ID: <20251106015727.1987246-1-avadhut.naik@amd.com>
Date: Thu, 6 Nov 2025 01:54:43 +0000
From: Avadhut Naik <avadhut.naik@....com>
To: <linux-edac@...r.kernel.org>, <linux-doc@...r.kernel.org>
CC: <bp@...en8.de>, <gregkh@...uxfoundation.org>, <corbet@....net>,
	<chenhuacai@...nel.org>, <mchehab+huawei@...nel.org>,
	<yazen.ghannam@....com>, <linux-kernel@...r.kernel.org>,
	<avadhut.naik@....com>
Subject: [PATCH v2 0/3] Cleanups in amd64_edac and removal of legacy EDAC sysfs interface

This patchset undertakes some cleanups in the amd64_edac module and
removes the legacy EDAC sysfs interface since it has been obsolete for
more than a decade.

The first patch removes explicit assignment of the ctl_name string and
instead generates it at runtime using scnprintf.

The second patch removes the NUM_CONTROLLERS macro and instead uses the
max_mcs variable to determine the size of chipselect array.

The third patch removes the old EDAC sysfs interface.

NOTE:
These cleanups were earlier submitted as part of the set adding EDAC
support for AMD's newer Family 1Ah-based SOCs.[1] However, since the
support patches were critical to enabling EDAC on newer AMD SOCs and
since these cleanups were still under review, the set was split up.

[1]: https://lore.kernel.org/all/20250909185748.1621098-1-avadhut.naik@amd.com/

Changes in v2:
 - Drop the patch that set zn_regs_v2 flag for all SOCs based on Family
1Ah and later.
 - Change MAX_CTL_NAMELEN macro from 20 to 19.
 - Modify commit message of the second patch per feedback received.
 - Skip deprecation and just remove the old EDAC sysfs interface.

Links:
v1: https://lore.kernel.org/all/20251013173632.1449366-1-avadhut.naik@amd.com/

Avadhut Naik (3):
  EDAC/amd64: Generate ctl_name string at runtime
  EDAC/amd64: Remove NUM_CONTROLLERS macro
  edac: Remove the legacy EDAC sysfs interface

 Documentation/admin-guide/RAS/main.rst     | 142 +-------
 arch/loongarch/configs/loongson3_defconfig |   1 -
 drivers/edac/Kconfig                       |   8 -
 drivers/edac/amd64_edac.c                  |  61 +---
 drivers/edac/amd64_edac.h                  |   7 +-
 drivers/edac/edac_mc_sysfs.c               | 404 ---------------------
 6 files changed, 22 insertions(+), 601 deletions(-)

base-commit: d05ab93a9183520b2a6965765e14a3e6bdf01f90
-- 
2.43.0