linux-kernel - Re: [PATCH v2] platform/mellanox: mlxbf-pmc: add sysfs_attr_init() to count

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Message-Id: <176051708584.2196.14874852596962553290.b4-ty@linux.intel.com>
Date: Wed, 15 Oct 2025 11:31:25 +0300
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: hansg@...nel.org, vadimp@...dia.com, 
 David Thompson <davthompson@...dia.com>
Cc: platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Shravan Kumar Ramani <shravankr@...dia.com>
Subject: Re: [PATCH v2] platform/mellanox: mlxbf-pmc: add sysfs_attr_init()
 to count_clock init

On Mon, 13 Oct 2025 15:56:05 +0000, David Thompson wrote:

> The lock-related debug logic (CONFIG_LOCK_STAT) in the kernel is noting
> the following warning when the BlueField-3 SOC is booted:
> 
> [   10.231318] BUG: key ffff00008a3402a8 has not been registered!
> [   10.237249] ------------[ cut here ]------------
> [   10.241914] DEBUG_LOCKS_WARN_ON(1)
> [   10.241927] WARNING: CPU: 4 PID: 592 at kernel/locking/lockdep.c:4801 lockdep_init_map_type+0x1d4/0x2a0
> <snip>
> [   10.385415] Call trace:
> [   10.385417]  lockdep_init_map_type+0x1d4/0x2a0
> [   10.385423]  __kernfs_create_file+0x84/0x140
> [   10.385428]  sysfs_add_file_mode_ns+0xcc/0x1cc
> [   10.385431]  internal_create_group+0x110/0x3d4
> [   10.385434]  internal_create_groups.part.0+0x54/0xcc
> [   10.385436]  sysfs_create_groups+0x24/0x40
> [   10.385438]  device_add+0x6e8/0x93c
> [   10.444559]  device_register+0x28/0x40
> [   10.448299]  __hwmon_device_register+0x4b0/0x8a0
> [   10.452907]  devm_hwmon_device_register_with_groups+0x7c/0xe0
> [   10.458641]  mlxbf_pmc_probe+0x1e8/0x3e0 [mlxbf_pmc]
> [   10.463598]  platform_probe+0x70/0x110
> 
> [...]


Thank you for your contribution, it has been applied to my local
review-ilpo-fixes branch. Note it will show up in the public
platform-drivers-x86/review-ilpo-fixes branch only once I've pushed my
local branch there, which might take a while.

The list of commits applied:
[1/1] platform/mellanox: mlxbf-pmc: add sysfs_attr_init() to count_clock init
      commit: a7b4747d8e0e7871c3d4971cded1dcc9af6af9e9

--
 i.