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commit 71f3843e0f81e3c097a088c1121154bb9a44da0a upstream.
In struct tunable_attr_01 the capdata pointer is unused and the size of
the id members is u32 when it should be u8. Fix these prior to adding
additional members.
No functional change intended.
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Cc: stable@vger.kernel.org
Reviewed-by: Rong Zhang <i@rong.moe>
Tested-by: Rong Zhang <i@rong.moe>
Signed-off-by: Derek J. Clark <derekjohn.clark@gmail.com>
Link: https://patch.msgid.link/20260510042546.436874-6-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7e27896e16a1c450085c3fe020eeb1b223880f37 upstream.
In a later patch in the series the thermal mode enum will be accessed
across three separate drivers (wmi-capdata, wmi-gamezonem and wmi-other).
An additional patch in the series will also add a function prototype that
needs to reference this enum in wmi-helpers.h. To avoid having all these
drivers begin to import each others headers, and to avoid declaring an
opaque enum to hande the second case, move the thermal mode enum to
helpers where it can be safely accessed by everything that needs it from
a single import.
While at it, since the gamezone_events_type enum is the only remaining
item in the header, move that as well and remove the gamezone header
entirely.
Cc: stable@vger.kernel.org
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Reviewed-by: Rong Zhang <i@rong.moe>
Tested-by: Rong Zhang <i@rong.moe>
Signed-off-by: Derek J. Clark <derekjohn.clark@gmail.com>
Link: https://patch.msgid.link/20260510042546.436874-8-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ad3bff944c0f4f2e913298a9664391af32f87491 upstream.
It is possible that the driver handling device is enumerated before
registering debugfs. If the driver wants to access debugfs by calling
tpmi_get_debugfs_dir(), this will return error in this case.
Hence register debugfs before creating devices.
Fixes: 811f67c51636 ("platform/x86/intel/tpmi: Add new auxiliary driver for performance limits")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Stable@vger.kernel.org
Link: https://patch.msgid.link/20260430151103.1549733-2-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 3c34471c26abc52a37f5ad90949e2e4b8027eb14 ]
populate_enum_data() aggregates firmware-provided value-modifier
and possible-value strings into fixed 512-byte struct members.
The current code bounds each individual source string but then
appends every string and separator with raw strcat() and no
remaining-space check.
Switch the aggregation loops to a bounded append helper and
reject enumeration packages whose combined strings do not fit
in the destination buffers.
Fixes: e8a60aa7404b ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Link: https://patch.msgid.link/20260408084501.1-dell-wmi-sysman-v2-pengpeng@iscas.ac.cn
[ij: add include]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f8fd138c2363c0e2d3235c32bfb4fb5c6474e4ae ]
Ensure the temp value has been properly parsed from the user-provided
buffer and initialized to be used in later operations. While at it,
prefer a convenient kstrtoul() helper.
Found by Linux Verification Center (linuxtesting.org) with Svace static
analysis tool.
Fixes: ad6ce87e5bd4 ("[PATCH] dell_rbu: changes in packet update mechanism")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Link: https://patch.msgid.link/20260403134240.604837-1-pchelkin@ispras.ru
[ij: add include]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8d95d1f4aa5c76202b0833a70998769384612488 ]
Fix screenpad brightness range being too limited without reason:
testing this patch on a Zenbook Duo showed the hardware minimum not being
too low, therefore allow the user to configure the entire range, and
expose to userspace the hardware brightness range and value.
Fixes: 2c97d3e55b70 ("platform/x86: asus-wmi: add support for ASUS screenpad")
Signed-off-by: Denis Benato <denis.benato@linux.dev>
Signed-off-by: Luke Jones <luke@ljones.dev>
Link: https://patch.msgid.link/20260302174431.349816-3-denis.benato@linux.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 130d29c5627cd50e786e926ad7ef66322c5a0c09 ]
Fix illogical screen off control by hardcoding 0 and 1 depending on the
requested brightness and also do not rely on the last screenpad power
state to issue screen brightness commands.
Fixes: 2c97d3e55b70 ("platform/x86: asus-wmi: add support for ASUS screenpad")
Signed-off-by: Denis Benato <denis.benato@linux.dev>
Signed-off-by: Luke Jones <luke@ljones.dev>
Link: https://patch.msgid.link/20260302174431.349816-2-denis.benato@linux.dev
Link: https://patch.msgid.link/20260326231154.856729-2-ethantidmore06@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1c9d30d37aaffe3454d70b89a77f8aaecda257bf ]
The GPIO get callback is expected to return 0 or 1 (or a negative error
code). Ensure that the value returned by p50_gpio_get() is normalized
to the [0, 1] range.
Fixes: 86ef402d805d606a ("gpiolib: sanitize the return value of gpio_chip::get()")
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260318-barco-p50-gpio-set-v2-1-c0a4a6416163@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8baeff2c1d33dad8572216c6ad3a7425852507d4 ]
An ACPI notify handler is leaked if device_create_file() returns an
error in acpi_pcc_hotkey_add().
Also, it is pointless to call pcc_unregister_optd_notifier() in
acpi_pcc_hotkey_remove() if pcc->platform is NULL and it is better
to arrange the cleanup code in that function in the same order as
the rollback code in acpi_pcc_hotkey_add().
Address the above by placing the pcc_register_optd_notifier() call in
acpi_pcc_hotkey_add() after the device_create_file() return value
check and placing the pcc_unregister_optd_notifier() call in
acpi_pcc_hotkey_remove() right before the device_remove_file() call.
Fixes: d5a81d8e864b ("platform/x86: panasonic-laptop: Add support for optical driver power in Y and W series")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/2411055.ElGaqSPkdT@rafael.j.wysocki
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1410a228ab2d36fe2b383415a632ae12048d4f3a ]
The wakeup source added by device_init_wakeup() in surface_button_add()
needs to be dropped during driver removal, so update the driver to do
that.
Fixes: 19351f340765 ("platform/x86: surfacepro3: Support for wakeup from suspend-to-idle")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/4368848.1IzOArtZ34@rafael.j.wysocki
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5d441a4bc93642ed6f41da87327a39946b4e1455 ]
The wakeup source added by device_init_wakeup() in chromeos_tbmc_add()
needs to be dropped during driver removal, so add a .remove() callback
to the driver for this purpose.
Fixes: 0144c00ed86b ("platform/chrome: chromeos_tbmc: Report wake events")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/6151957.MhkbZ0Pkbq@rafael.j.wysocki
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8a700b1fc94df4d847a04f14ebc7f8532592b367 ]
When a driver is probed through __driver_attach(), the bus' match()
callback is called without the device lock held, thus accessing the
driver_override field without a lock, which can cause a UAF.
Fix this by using the driver-core driver_override infrastructure taking
care of proper locking internally.
Note that calling match() from __driver_attach() without the device lock
held is intentional. [1]
Link: https://lore.kernel.org/driver-core/DGRGTIRHA62X.3RY09D9SOK77P@kernel.org/ [1]
Reported-by: Gui-Dong Han <hanguidong02@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220789
Fixes: 12046f8c77e0 ("platform/x86: wmi: Add driver_override support")
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://patch.msgid.link/20260324005919.2408620-7-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit e8c597368b8500a824c639bfb5ed0044068c6870 upstream.
On HP OmniBook 7 the keyboard backlight and FnLock keys are handled
directly by the firmware. However, they still trigger WMI events which
results in "Unknown key code" warnings in dmesg.
Add these key codes to the keymap with KE_IGNORE to silence the warnings
since no software action is needed.
Tested-by: Artem S. Tashkinov <aros@gmx.com>
Reported-by: Artem S. Tashkinov <aros@gmx.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221181
Signed-off-by: Krishna Chomal <krishna.chomal108@gmail.com>
Link: https://patch.msgid.link/20260403080155.169653-1-krishna.chomal108@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 525cb7ba6661074c1c5cc3772bccc6afab6791ef upstream.
cros_typec_register_thunderbolt() missed initializing the `adata->lock`
mutex. This leads to a NULL dereference when the mutex is later
acquired (e.g. in cros_typec_altmode_work()).
Initialize the mutex in cros_typec_register_thunderbolt() to fix the
issue.
Cc: stable@vger.kernel.org
Fixes: 3b00be26b16a ("platform/chrome: cros_ec_typec: Thunderbolt support")
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Link: https://lore.kernel.org/r/20260505053403.3335740-1-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 1a9452c428a6b76f0b797bae21daa454fccef1a2 ]
This platform is a similar vintage of platforms that had a BIOS bug
leading to a 10s delay at resume from s0i3.
Add a quirk for it.
Reported-by: Imrane <ihalim.me@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221273
Tested-by: Imrane <ihalim.me@gmail.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20260324211647.357924-1-mario.limonciello@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 84d29bfd1929d08f092851162a3d055a2134d043 ]
The HP Omen 16-wf1xxx (board ID: 8C76) has the same WMI interface as
other Victus S boards, but requires quirks for correctly switching
thermal profile (similar to board 8C78).
Add the DMI board name to victus_s_thermal_profile_boards[] table and
map it to omen_v1_thermal_params.
Testing on board 8C76 confirmed that platform profile is registered
successfully and fan RPMs are readable and controllable.
Tested-by: WJ Enderlava <jie7172585@gmail.com>
Reported-by: WJ Enderlava <jie7172585@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221149
Signed-off-by: Krishna Chomal <krishna.chomal108@gmail.com>
Link: https://patch.msgid.link/20260227154106.226809-1-krishna.chomal108@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0198d2743207d67f995cd6df89e267e1b9f5e1f1 ]
The ASUS ROG Flow Z13-KJP GZ302EAC model uses sys_vendor name ASUS
rather than ASUSTeK COMPUTER INC., but it needs the same folio quirk as
the other ROG Flow Z13. To keep things simple, just match on sys_vendor
ASUS since it covers both.
Signed-off-by: Matthew Schwartz <matthew.schwartz@linux.dev>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Reviewed-by: Denis Benato <denis.benato@linux.dev>
Link: https://patch.msgid.link/20260312212246.1608080-1-matthew.schwartz@linux.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 4ab604b3f3aa8dcccc7505f5d310016682a99d5f upstream.
When the AUTONOMOUS_UFS_DISABLED bit is set in the header, the ELC
(Efficiency Latency Control) feature is non-functional. Hence, return
error for read or write to ELC attributes.
Fixes: bb516dc79c4a ("platform/x86/intel-uncore-freq: Add support for efficiency latency control")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260325192909.3417322-1-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e1415b9418eb22b4a7a1ef4b4aec9dd0a49e3fa7 upstream.
Based on feature revision, number of buckets can be less than the
TRL_MAX_BUCKETS. In that case core counts in the remaining buckets
can be set to some invalid values.
Hence reset core count to 0 for all buckets before assigning correct
values.
Fixes: 885d1c2a30b7 ("platform/x86: ISST: Support SST-TF revision 2")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260325192638.3417281-1-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit fbddf68d7b4e1e6da7a78dd7fbd8ec376536584a upstream.
SST-PP locked bit width is set to three bits. It should be only one bit.
Use SST_PP_LOCK_WIDTH define instead of SST_PP_LEVEL_WIDTH.
Fixes: ea009e4769fa ("platform/x86: ISST: Add SST-PP support via TPMI")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260323153635.3263828-1-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit e02ea3ae8ee40d5835a845884c7b161a27c10bcb ]
Add a freeze handler which clears wakeup_mode. This fixes aborted hibernation on
Dell Precision 3880.
Wakeup event detected during hibernation, rolling back
This system sends power button events during hibernation, even when triggered by
software.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218634
Fixes: 0c4cae1bc00d ("PM: hibernate: Avoid missing wakeup events during hibernation")
Signed-off-by: David McFarland <corngood@gmail.com>
Link: https://patch.msgid.link/20260205231629.1336348-1-corngood@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2061f7b042f88d372cca79615f8425f3564c0b40 ]
The command length check validates inlen (> 5), but the error message
incorrectly printed resp_len. Print inlen so the log reflects the
actual command length.
Fixes: 0c3d931b3ab9e ("Platform: OLPC: Add XO-1.75 EC driver")
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Acked-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20260310130138.700687-1-alok.a.tiwari@oracle.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5a3955f3602950d1888df743a5b1889e43b5cb60 ]
The gz_chain_head variable has been unused since the driver's initial
addition to the tree. Its use was eliminated between v3 and v4 during
development but due to the reference of gz_chain_head's wait_list
member, the compiler could not warn that it was unused.
After a (tip) commit ("locking/rwsem: Remove the list_head from struct
rw_semaphore"), which removed a reference to the variable passed to
__RWSEM_INITIALIZER(), certain configurations show an unused variable
warning from the Lenovo wmi-gamezone driver:
drivers/platform/x86/lenovo/wmi-gamezone.c:34:31: warning: 'gz_chain_head' defined but not used [-Wunused-variable]
34 | static BLOCKING_NOTIFIER_HEAD(gz_chain_head);
| ^~~~~~~~~~~~~
include/linux/notifier.h:119:39: note: in definition of macro 'BLOCKING_NOTIFIER_HEAD'
119 | struct blocking_notifier_head name = \
| ^~~~
Remove the variable to prevent the warning from showing up.
Fixes: 22024ac5366f ("platform/x86: Add Lenovo Gamezone WMI Driver")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://patch.msgid.link/20260313-lenovo-wmi-gamezone-remove-gz_chain_head-v1-1-ce5231f0c6fa@kernel.org
[ij: reorganized the changelog]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9f11d9b15efb5f77e810b6dfbeb01b4650a79eae ]
On some systems, HWP can be explicitly disabled in the BIOS settings
When HWP is disabled by firmware, the HWP CPUID bit is not set, and
attempting to read MSR_PM_ENABLE will result in a General Protection
(GP) fault.
unchecked MSR access error: RDMSR from 0x770 at rIP: 0xffffffffc33db92e (disable_dynamic_sst_features+0xe/0x50 [isst_tpmi_core])
Call Trace:
<TASK>
? ex_handler_msr+0xf6/0x150
? fixup_exception+0x1ad/0x340
? gp_try_fixup_and_notify+0x1e/0xb0
? exc_general_protection+0xc9/0x390
? terminate_walk+0x64/0x100
? asm_exc_general_protection+0x22/0x30
? disable_dynamic_sst_features+0xe/0x50 [isst_tpmi_core]
isst_if_def_ioctl+0xece/0x1050 [isst_tpmi_core]
? ioctl_has_perm.constprop.42+0xe0/0x130
isst_if_def_ioctl+0x10d/0x1a0 [isst_if_common]
__se_sys_ioctl+0x86/0xc0
do_syscall_64+0x8a/0x100
entry_SYSCALL_64_after_hwframe+0x78/0xe2
RIP: 0033:0x7f36eaef54a7
Add a check for X86_FEATURE_HWP before accessing the MSR. If HWP is
not available, return true safely.
Fixes: 12a7d2cb811d ("platform/x86: ISST: Add SST-CP support via TPMI")
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20260303074635.2218-1-lirongqing@baidu.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2a3b4a8c10a64a62c4243007139d253dc1324dfd ]
X1 Air is an X1 variant with a newer Intel chipset. It uses the same
registers as the X1. Add a quirk for it to the oxpec driver.
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://patch.msgid.link/20260223183004.2696892-4-lkml@antheas.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cd0883055b04586770dab43c64159348bf480a3e ]
Aokzoe A2 Pro is an older device that the oxpec driver is missing the
quirk for. It has the same behavior as the AOKZOE A1 devices. Add a
quirk for it to the oxpec driver.
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://patch.msgid.link/20260223183004.2696892-5-lkml@antheas.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4049c46edb5d44c0de045f6f504371705dd603dd ]
X1z is a variant of OneXPlayer X1 A with 8840U. It seems that only one
user has this one. Add a quirk for it to the oxpec driver.
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://patch.msgid.link/20260223183004.2696892-3-lkml@antheas.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 3385ea97c14d271dcb0c6e6fcf16972f819eecd8 ]
OneXPlayer Apex is a new Strix Halo handheld. It uses the same registers
as the OneXPlayer Fly devices. Add a quirk for it to the oxpec driver.
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://patch.msgid.link/20260223183004.2696892-2-lkml@antheas.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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on SUPI S10
[ Upstream commit 7d87ed70fc95482c12edf9493c249b6413be485e ]
The touchscreen on the SUPI S10 tablet reports inverted Y coordinates,
causing touch input to be mirrored vertically relative to the display.
Add a quirk to set the "touchscreen-inverted-y" boolean device-property
on the touchscreen device, so that the goodix_ts driver will fixup
the coordinates.
Reported-by: Yajat Kumar <yajatapps3@gmail.com>
Closes: https://lore.kernel.org/linux-input/20251230221639.582406-1-yajatapps3@gmail.com/
Tested-by: Yajat Kumar <yajatapps3@gmail.com>
Signed-off-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Link: https://patch.msgid.link/20260217132346.34535-1-johannes.goede@oss.qualcomm.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b38d478dad79e61e8a65931021bdfd7a71741212 ]
The Lenovo ThinkPad X1 Fold 16 Gen 1 has physical volume up/down
buttons that are handled through the intel-hid 5-button array
interface. The firmware does not advertise 5-button array support via
HEBC, so the driver relies on a DMI allowlist to enable it.
Add the ThinkPad X1 Fold 16 Gen 1 to the button_array_table so the
volume buttons work out of the box.
Signed-off-by: Leif Skunberg <diamondback@cohunt.app>
Reviewed-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Link: https://patch.msgid.link/20260210085625.34380-1-diamondback@cohunt.app
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 3c99a545b372c77b5d39715968a141f523eccbf2 ]
The HP Omen 16-xd0xxx (board ID: 8BCD) has the same WMI interface as
other Victus S boards, but requires quirks for correctly switching
thermal profile (similar to HP Omen 16-wf1xxx, board ID: 8C78).
Add the DMI board name to victus_s_thermal_profile_boards[] table and
map it to omen_v1_thermal_params.
Testing on HP Omen 16-xd0xxx confirmed that platform profile is
registered successfully and fan RPMs are readable and controllable.
Tested-by: Varad Amol Pisale <varadpisale.work@gmail.com>
Signed-off-by: Krishna Chomal <krishna.chomal108@gmail.com>
Link: https://patch.msgid.link/20260218050235.94687-1-krishna.chomal108@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6b3fa0615cd8432148581de62a52f83847af3d70 ]
The Dell 14 Plus 2-in-1 (model DB04250) requires the VGBS allow list
entry to correctly enable the tablet mode switch. Without this, the
chassis state is not reported, and the hinge rotation only emits
unknown scancodes.
Verified on Dell 14 Plus 2-in-1 DB04250.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221090
Signed-off-by: Peter Metz <peter.metz@unarin.com>
Reviewed-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Link: https://patch.msgid.link/20260213044627.203638-1-peter.metz@unarin.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 13fa3aaf02edaad9b41fc61d7f6326d2b6a4bf80 ]
The HP Omen 16-wf0xxx (board ID: 8BAB) has the same WMI interface as
other Victus S boards, but requires quirks for correctly switching
thermal profile (similar to HP Omen 16-wf1xxx, board ID: 8C78).
Add the DMI board name to victus_s_thermal_profile_boards[] table and
map it to omen_v1_thermal_params.
Testing on HP Omen 16-wf0xxx confirmed that platform profile is
registered successfully and fan RPMs are readable and controllable.
Suggested-by: Noah Provenzano <noahpro@gmail.com>
Tested-by: Juan Martin Morales <juanm4morales@gmail.com>
Reported-by: Juan Martin Morales <juanm4morales@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220639
Signed-off-by: Krishna Chomal <krishna.chomal108@gmail.com>
Link: https://patch.msgid.link/20260216072003.90151-1-krishna.chomal108@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 53e977b1d50c46f2c4ec3865cd13a822f58ad3cd ]
Check whether the battery supports the relevant charge threshold before
reading the value to silence these errors:
thinkpad_acpi: acpi_evalf(BCTG, dd, ...) failed: AE_NOT_FOUND
ACPI: \_SB_.PCI0.LPC_.EC__.HKEY: BCTG: evaluate failed
thinkpad_acpi: acpi_evalf(BCSG, dd, ...) failed: AE_NOT_FOUND
ACPI: \_SB_.PCI0.LPC_.EC__.HKEY: BCSG: evaluate failed
when reading the charge thresholds via sysfs on platforms that do not
support them such as the ThinkPad T400.
Fixes: 2801b9683f74 ("thinkpad_acpi: Add support for battery thresholds")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=202619
Signed-off-by: Jonathan Teh <jonathan.teh@outlook.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://patch.msgid.link/MI0P293MB01967B206E1CA6F337EBFB12926CA@MI0P293MB0196.ITAP293.PROD.OUTLOOK.COM
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 916727cfdb72cd01fef3fa6746e648f8cb70e713 ]
Some systems have much larger amounts of enumeration attributes
than have been previously encountered. This can lead to page allocation
failures when using kcalloc(). Switch over to using kvcalloc() to
allow larger allocations.
Fixes: 6b2770bfd6f92 ("platform/x86: hp-bioscfg: enum-attributes")
Cc: stable@vger.kernel.org
Reported-by: Paul Kerry <p.kerry@sheffield.ac.uk>
Tested-by: Paul Kerry <p.kerry@sheffield.ac.uk>
Closes: https://bugs.debian.org/1127612
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20260225210646.59381-1-mario.limonciello@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
[ kcalloc() => kvcalloc() ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 26a7601471f62b95d56a81c3a8ccb551b5a6630f upstream.
Add audio/mic mute key codes found in Alienware m18 r1 AMD.
Cc: stable@vger.kernel.org
Tested-by: Olexa Bilaniuk <obilaniu@gmail.com>
Suggested-by: Olexa Bilaniuk <obilaniu@gmail.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://patch.msgid.link/20260207-mute-keys-v2-1-c55e5471c9c1@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit bd5914caeb4b2de233992c31babccda88041b035 upstream.
Alienware m18 laptops support G-Mode. Therefore, match them with
G-Series quirks.
Cc: stable@vger.kernel.org
Tested-by: Olexa Bilaniuk <obilaniu@gmail.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://patch.msgid.link/20260129-m18-gmode-v1-1-48be521487b9@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d1a196e0a6dcddd03748468a0e9e3100790fc85c upstream.
set_new_password() hex dumps the entire buffer, which contains plaintext
password data, including current and new passwords. Remove the hex dump
to avoid leaking credentials.
Fixes: e8a60aa7404b ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: stable@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20260303113050.58127-2-thorsten.blum@linux.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit dc7901b5a1563a9c9eb29b3b0b0dac3162065cd8 ]
The suspend/resume callbacks currently only store and restore the
configuration for power domain 0. However, other power domains may also
have modified configurations that need to be preserved across suspend/
resume cycles.
Extend the store/restore functionality to handle all power domains.
Fixes: 91576acab020 ("platform/x86: ISST: Add suspend/resume callbacks")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
CC: stable@vger.kernel.org
Link: https://patch.msgid.link/20260107060256.1634188-3-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0e5aef2795008c80c515f6fa04e377c6e5715958 ]
If writes are blocked, then return error during SST-CP enable command.
Add missing write block check in this code path.
Fixes: 8bed9ff7dbcc ("platform/x86: ISST: Process read/write blocked feature status")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260107060256.1634188-2-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 48d229c7047128dd52eaf863881bb3e62b5896e5 ]
After resuming from hibernate, TEE commands can time out and cause PSP
disables. Fix this by reinitializing the Trusted Application (TA) and
cancelling the pb workqueue in the hibernate callbacks to avoid these
errors.
ccp 0000:c4:00.2: tee: command 0x5 timed out, disabling PSP
amd-pmf AMDI0107:00: TEE enact cmd failed. err: ffff000e, ret:0
amd-pmf AMDI0107:00: TEE enact cmd failed. err: ffff000e, ret:0
amd-pmf AMDI0107:00: TEE enact cmd failed. err: ffff000e, ret:0
Fixes: ae82cef7d9c5 ("platform/x86/amd/pmf: Add support for PMF-TA interaction")
Reported-by: Lars Francke <lars.francke@gmail.com>
Closes: https://lore.kernel.org/platform-driver-x86/CAD-Ua_gfJnQSo8ucS_7ZwzuhoBRJ14zXP7s8b-zX3ZcxcyWePw@mail.gmail.com/
Tested-by: Yijun Shen <Yijun.Shen@Dell.com>
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
[ML: Add more tags]
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20260116041132.153674-2-superm1@kernel.org
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8ca7515d3c76a8b629f703ff8301a75f503bcc50 ]
HP Omen 16-wf1xxx (board ID 8C78) currently sends the incorrect
Victus-specific thermal profile values via WMI, leading to a logical
inconsistency when switching between platform profiles.
The driver currently uses Victus S values:
0x00 => Balanced / Low-Power
0x01 => Performance
However, Omen Gaming Hub logs / EC register inspection on Windows shows
that this board is intended to use:
0x30 => Balanced / Low-Power
0x31 => Performance
This patch corrects the thermal profile command values to match the
values observed from Omen Gaming Hub logs. The performance benchmarks
and peak power draw (from both CPU and GPU) show no observable change
with this correction (suggesting that the firmware is currently tolerant
of the incorrect values). However sending the correct values prevents
potential regressions after future firmware updates.
Refactor victus_s_thermal_profile_boards from a list of strings to a
dmi_system_id table and move the lookup to module init. The new struct
thermal_profile_params is used to store board-specific WMI parameters,
allowing the driver to cache these values in a static pointer. This
avoids repeated DMI string comparisons and allows marking of DMI table as
__initconst.
Testing on HP Omen 16-wf1xxx (board 8C78) confirmed WMI codes 0x30/0x31
are now sent, resolving the logical inconsistency and ensuring the value
visible in EC registers match the Windows state for this profile.
Fixes: fb146a38cb11 ("platform/x86: hp-wmi: Add Omen 16-wf1xxx fan support")
Signed-off-by: Krishna Chomal <krishna.chomal108@gmail.com>
Link: https://patch.msgid.link/20260113182604.115211-2-krishna.chomal108@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ec0dd36dbf8b0b209e63d0cd795451fa2203c736 ]
Commit 1e7913ff5f9f ("platform/chrome: cros_ec_lightbar: Reduce
ligthbar get version command") meant to set smaller values for both
request and response sizes.
However, it incorrectly assigned the response size to the `result` field
instead of `insize`. Fix it.
Reported-by: Gwendal Grignou <gwendal@google.com>
Closes: https://lore.kernel.org/chrome-platform/CAMHSBOVrrYaB=1nEqZk09VkczCrj=6B-P8Fe29TpPdSDgT2CCQ@mail.gmail.com
Fixes: 1e7913ff5f9f ("platform/chrome: cros_ec_lightbar: Reduce ligthbar get version command")
Link: https://lore.kernel.org/r/20260130040335.361997-1-tzungbi@kernel.org
Reviewed-by: Gwendal Grignou <gwendal@google.com>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e1adf48853bc715f4deea074932aa1c44eb7abea ]
The 'dev' field in struct fwnode is special and related to device links,
There no driver should use it for printing messages. Fix incorrect use
of private field.
Fixes: affc804c44c8 ("platform/chrome: cros_typec_switch: Add switch driver")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20260120131413.1697891-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f6bc712877f24dc89bdfd7bdbf1a32f3b9960b34 ]
Passing IRQF_ONESHOT ensures that the interrupt source is masked until the
secondary (threaded) handler is done. If only a primary handler is used
then the flag makes no sense because the interrupt cannot fire (again)
while its handler is running.
The flag also prevents force-threading of the primary handler and the
irq-core will warn about this.
The flag was added to match the flag on the shared handler which uses a
threaded handler and therefore IRQF_ONESHOT. This is no longer needed
because devm_request_irq() now passes IRQF_COND_ONESHOT for this case.
Revert adding IRQF_ONESHOT to irqflags.
Fixes: 8f812373d1958 ("platform/x86: intel: int0002_vgpio: Pass IRQF_ONESHOT to request_irq()")
Reported-by: Borah, Chaitanya Kumar <chaitanya.kumar.borah@intel.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://patch.msgid.link/20260128095540.863589-3-bigeasy@linutronix.de
Closes: https://lore.kernel.org/all/555f1c56-0f74-41bf-8bd2-6217e0aab0c6@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 43b0b7eff4b3fb684f257d5a24376782e9663465 ]
The acpi_pcc_hotkey_add() error path leaks sysfs group pcc_attr_group
if platform_device_register_simple() fails for the "panasonic" platform
device.
Address this by making it call sysfs_remove_group() in that case for
the group in question.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/3398370.44csPzL39Z@rafael.j.wysocki
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2b4e00d8e70ca8736fda82447be6a4e323c6d1f5 ]
The MECHREVO Wujie 15X Pro suffers from spurious IRQ issues related to
the AMD PMC. Add it to the quirk list to use the spurious_8042 fix.
Signed-off-by: gongqi <550230171hxy@gmail.com>
Link: https://patch.msgid.link/20260122155501.376199-4-550230171hxy@gmail.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit fe747d7112283f47169e9c16e751179a9b38611e ]
In a few places in the Classmate laptop driver, code using the accel
object may run before that object's address is stored in the driver
data of the input device using it.
For example, cmpc_accel_sensitivity_store_v4() is the "show" method
of cmpc_accel_sensitivity_attr_v4 which is added in cmpc_accel_add_v4(),
before calling dev_set_drvdata() for inputdev->dev. If the sysfs
attribute is accessed prematurely, the dev_get_drvdata(&inputdev->dev)
call in in cmpc_accel_sensitivity_store_v4() returns NULL which
leads to a NULL pointer dereference going forward.
Moreover, sysfs attributes using the input device are added before
initializing that device by cmpc_add_acpi_notify_device() and if one
of them is accessed before running that function, a NULL pointer
dereference will occur.
For example, cmpc_accel_sensitivity_attr_v4 is added before calling
cmpc_add_acpi_notify_device() and if it is read prematurely, the
dev_get_drvdata(&acpi->dev) call in cmpc_accel_sensitivity_show_v4()
returns NULL which leads to a NULL pointer dereference going forward.
Fix this by adding NULL pointer checks in all of the relevant places.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/12825381.O9o76ZdvQC@rafael.j.wysocki
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 008bec8ffe6e7746588d1e12c5b3865fa478fc91 ]
The file sys/kernel/debug/tpmi-<n>/plr/domain<n>/status has store and show
callbacks. Make it writeable.
Fixes: 811f67c51636d ("platform/x86/intel/tpmi: Add new auxiliary driver for performance limits")
Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Link: https://patch.msgid.link/20260127-plr-debugfs-write-v1-1-1fffbc370b1e@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6222883af286e2feb3c9ff2bf9fd8fdf4220c55a ]
Avoid registering kobjects with empty names when a BIOS attribute
name decodes to an empty string.
Fixes: a34fc329b1895 ("platform/x86: hp-bioscfg: bioscfg")
Reported-by: Alain Cousinie <alain.cousinie@laposte.net>
Closes: https://lore.kernel.org/platform-driver-x86/22ed5f78-c8bf-4ab4-8c38-420cc0201e7e@laposte.net/
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20260128190501.2170068-1-mario.limonciello@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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