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authorLinus Torvalds <torvalds@linux-foundation.org>2021-09-02 23:49:39 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-02 23:49:39 +0300
commit7ba88a2a09f47e2e4f3e34215677a1d78a9e6a73 (patch)
tree09ffff5310767631c8e0792098670201a25838e5 /Documentation
parent89b6b8cd92c068cd1bdf877ec7fb1392568ef35d (diff)
parent0487d4fc42d7f31a56cfd9e2237f9ebd889e6112 (diff)
downloadlinux-7ba88a2a09f47e2e4f3e34215677a1d78a9e6a73.tar.xz
Merge tag 'platform-drivers-x86-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede: "Highlights: - Move all the Intel drivers into their own subdir(s) (mostly Kate's work) - New meraki-mx100 platform driver - Asus WMI driver enhancements, including support for /sys/firmware/acpi/platform_profile - New BIOS SAR driver for Intel M.2 WWAM modems - Alder Lake support for the Intel PMC driver - A whole bunch of cleanups + fixes all over the place" * tag 'platform-drivers-x86-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (65 commits) platform/x86: dell-smbios-wmi: Add missing kfree in error-exit from run_smbios_call platform/x86: dell-smbios-wmi: Avoid false-positive memcpy() warning platform/x86: ISST: use semi-colons instead of commas platform/x86: asus-wmi: Fix "unsigned 'retval' is never less than zero" smatch warning platform/x86: asus-wmi: Delete impossible condition platform/x86: hp_accel: Convert to be a platform driver platform/x86: hp_accel: Remove _INI method call platform/mellanox: mlxbf-pmc: fix kernel-doc notation platform/x86/intel: pmc/core: Add GBE Package C10 fix for Alder Lake PCH platform/x86/intel: pmc/core: Add Alder Lake low power mode support for pmc core platform/x86/intel: pmc/core: Add Latency Tolerance Reporting (LTR) support to Alder Lake platform/x86/intel: pmc/core: Add Alderlake support to pmc core driver platform/x86: intel-wmi-thunderbolt: Move to intel sub-directory platform/x86: intel-wmi-sbl-fw-update: Move to intel sub-directory platform/x86: intel-vbtn: Move to intel sub-directory platform/x86: intel_oaktrail: Move to intel sub-directory platform/x86: intel_int0002_vgpio: Move to intel sub-directory platform/x86: intel-hid: Move to intel sub-directory platform/x86: intel_atomisp2: Move to intel sub-directory platform/x86: intel_speed_select_if: Move to intel sub-directory ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/dell-smbios-wmi2
-rw-r--r--Documentation/ABI/testing/sysfs-bus-thunderbolt2
-rw-r--r--Documentation/ABI/testing/sysfs-class-firmware-attributes19
-rw-r--r--Documentation/ABI/testing/sysfs-driver-intc_sar54
-rw-r--r--Documentation/ABI/testing/sysfs-platform-dell-smbios2
-rw-r--r--Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt2
-rw-r--r--Documentation/ABI/testing/sysfs-power2
-rw-r--r--Documentation/admin-guide/laptops/lg-laptop.rst4
8 files changed, 75 insertions, 12 deletions
diff --git a/Documentation/ABI/testing/dell-smbios-wmi b/Documentation/ABI/testing/dell-smbios-wmi
index 5f3a0dc67050..f58229084469 100644
--- a/Documentation/ABI/testing/dell-smbios-wmi
+++ b/Documentation/ABI/testing/dell-smbios-wmi
@@ -1,7 +1,7 @@
What: /dev/wmi/dell-smbios
Date: November 2017
KernelVersion: 4.15
-Contact: "Mario Limonciello" <mario.limonciello@dell.com>
+Contact: Dell.Client.Kernel@dell.com
Description:
Perform SMBIOS calls on supported Dell machines.
through the Dell ACPI-WMI interface.
diff --git a/Documentation/ABI/testing/sysfs-bus-thunderbolt b/Documentation/ABI/testing/sysfs-bus-thunderbolt
index 95c21d6c9a84..b7e87f6c7d47 100644
--- a/Documentation/ABI/testing/sysfs-bus-thunderbolt
+++ b/Documentation/ABI/testing/sysfs-bus-thunderbolt
@@ -232,7 +232,7 @@ Description: When new NVM image is written to the non-active NVM
What: /sys/bus/thunderbolt/devices/.../nvm_authenticate_on_disconnect
Date: Oct 2020
KernelVersion: v5.9
-Contact: Mario Limonciello <mario.limonciello@dell.com>
+Contact: Mario Limonciello <mario.limonciello@outlook.com>
Description: For supported devices, automatically authenticate the new Thunderbolt
image when the device is disconnected from the host system.
diff --git a/Documentation/ABI/testing/sysfs-class-firmware-attributes b/Documentation/ABI/testing/sysfs-class-firmware-attributes
index 3348bf80a37c..90fdf935aa5e 100644
--- a/Documentation/ABI/testing/sysfs-class-firmware-attributes
+++ b/Documentation/ABI/testing/sysfs-class-firmware-attributes
@@ -2,8 +2,8 @@ What: /sys/class/firmware-attributes/*/attributes/*/
Date: February 2021
KernelVersion: 5.11
Contact: Divya Bharathi <Divya.Bharathi@Dell.com>,
- Mario Limonciello <mario.limonciello@dell.com>,
Prasanth KSR <prasanth.ksr@dell.com>
+ Dell.Client.Kernel@dell.com
Description:
A sysfs interface for systems management software to enable
configuration capability on supported systems. This directory
@@ -130,8 +130,8 @@ What: /sys/class/firmware-attributes/*/authentication/
Date: February 2021
KernelVersion: 5.11
Contact: Divya Bharathi <Divya.Bharathi@Dell.com>,
- Mario Limonciello <mario.limonciello@dell.com>,
Prasanth KSR <prasanth.ksr@dell.com>
+ Dell.Client.Kernel@dell.com
Description:
Devices support various authentication mechanisms which can be exposed
as a separate configuration object.
@@ -220,8 +220,8 @@ What: /sys/class/firmware-attributes/*/attributes/pending_reboot
Date: February 2021
KernelVersion: 5.11
Contact: Divya Bharathi <Divya.Bharathi@Dell.com>,
- Mario Limonciello <mario.limonciello@dell.com>,
Prasanth KSR <prasanth.ksr@dell.com>
+ Dell.Client.Kernel@dell.com
Description:
A read-only attribute reads 1 if a reboot is necessary to apply
pending BIOS attribute changes. Also, an uevent_KOBJ_CHANGE is
@@ -249,8 +249,8 @@ What: /sys/class/firmware-attributes/*/attributes/reset_bios
Date: February 2021
KernelVersion: 5.11
Contact: Divya Bharathi <Divya.Bharathi@Dell.com>,
- Mario Limonciello <mario.limonciello@dell.com>,
Prasanth KSR <prasanth.ksr@dell.com>
+ Dell.Client.Kernel@dell.com
Description:
This attribute can be used to reset the BIOS Configuration.
Specifically, it tells which type of reset BIOS configuration is being
@@ -272,3 +272,14 @@ Description:
Note that any changes to this attribute requires a reboot
for changes to take effect.
+
+What: /sys/class/firmware-attributes/*/attributes/debug_cmd
+Date: July 2021
+KernelVersion: 5.14
+Contact: Mark Pearson <markpearson@lenovo.com>
+Description:
+ This write only attribute can be used to send debug commands to the BIOS.
+ This should only be used when recommended by the BIOS vendor. Vendors may
+ use it to enable extra debug attributes or BIOS features for testing purposes.
+
+ Note that any changes to this attribute requires a reboot for changes to take effect.
diff --git a/Documentation/ABI/testing/sysfs-driver-intc_sar b/Documentation/ABI/testing/sysfs-driver-intc_sar
new file mode 100644
index 000000000000..ec334b0e5ed9
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-intc_sar
@@ -0,0 +1,54 @@
+What: /sys/bus/platform/devices/INTC1092:00/intc_reg
+Date: August 2021
+KernelVersion: 5.15
+Contact: Shravan S <s.shravan@intel.com>,
+ An Sudhakar <sudhakar.an@intel.com>
+Description:
+ Specific Absorption Rate (SAR) regulatory mode is typically
+ derived based on information like mcc (Mobile Country Code) and
+ mnc (Mobile Network Code) that is available for the currently
+ attached LTE network. A userspace application is required to set
+ the current SAR regulatory mode on the Dynamic SAR driver using
+ this sysfs node. Such an application can also read back using
+ this sysfs node, the currently configured regulatory mode value
+ from the Dynamic SAR driver.
+
+ Acceptable regulatory modes are:
+ == ====
+ 0 FCC
+ 1 CE
+ 2 ISED
+ == ====
+
+ - The regulatory mode value has one of the above values.
+ - The default regulatory mode used in the driver is 0.
+
+What: /sys/bus/platform/devices/INTC1092:00/intc_data
+Date: August 2021
+KernelVersion: 5.15
+Contact: Shravan S <s.shravan@intel.com>,
+ An Sudhakar <sudhakar.an@intel.com>
+Description:
+ This sysfs entry is used to retrieve Dynamic SAR information
+ emitted/maintained by a BIOS that supports Dynamic SAR.
+
+ The retrieved information is in the order given below:
+ - device_mode
+ - bandtable_index
+ - antennatable_index
+ - sartable_index
+
+ The above information is sent as integer values separated
+ by a single space. This information can then be pushed to a
+ WWAN modem that uses this to control the transmit signal
+ level using the Band/Antenna/SAR table index information.
+ These parameters are derived/decided by aggregating
+ device-mode like laptop/tablet/clamshell etc. and the
+ proximity-sensor data available to the embedded controller on
+ given host. The regulatory mode configured on Dynamic SAR
+ driver also influences these values.
+
+ The userspace applications can poll for changes to this file
+ using POLLPRI event on file-descriptor (fd) obtained by opening
+ this sysfs entry. Application can then read this information from
+ the sysfs node and consume the given information.
diff --git a/Documentation/ABI/testing/sysfs-platform-dell-smbios b/Documentation/ABI/testing/sysfs-platform-dell-smbios
index e6e0f7f834a7..5583da581025 100644
--- a/Documentation/ABI/testing/sysfs-platform-dell-smbios
+++ b/Documentation/ABI/testing/sysfs-platform-dell-smbios
@@ -1,7 +1,7 @@
What: /sys/devices/platform/<platform>/tokens/*
Date: November 2017
KernelVersion: 4.15
-Contact: "Mario Limonciello" <mario.limonciello@dell.com>
+Contact: Dell.Client.Kernel@dell.com
Description:
A read-only description of Dell platform tokens
available on the machine.
diff --git a/Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt b/Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt
index e19144fd5d86..fd3a7ec79760 100644
--- a/Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt
+++ b/Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt
@@ -1,7 +1,7 @@
What: /sys/devices/platform/<platform>/force_power
Date: September 2017
KernelVersion: 4.15
-Contact: "Mario Limonciello" <mario.limonciello@dell.com>
+Contact: "Mario Limonciello" <mario.limonciello@outlook.com>
Description:
Modify the platform force power state, influencing
Thunderbolt controllers to turn on or off when no
diff --git a/Documentation/ABI/testing/sysfs-power b/Documentation/ABI/testing/sysfs-power
index 51c0f578bfce..90ec4987074b 100644
--- a/Documentation/ABI/testing/sysfs-power
+++ b/Documentation/ABI/testing/sysfs-power
@@ -295,7 +295,7 @@ Description:
What: /sys/power/resume_offset
Date: April 2018
-Contact: Mario Limonciello <mario.limonciello@dell.com>
+Contact: Mario Limonciello <mario.limonciello@outlook.com>
Description:
This file is used for telling the kernel an offset into a disk
to use when hibernating the system such as with a swap file.
diff --git a/Documentation/admin-guide/laptops/lg-laptop.rst b/Documentation/admin-guide/laptops/lg-laptop.rst
index ce9b14671cb9..6fbe165dcd27 100644
--- a/Documentation/admin-guide/laptops/lg-laptop.rst
+++ b/Documentation/admin-guide/laptops/lg-laptop.rst
@@ -13,10 +13,8 @@ Hotkeys
The following FN keys are ignored by the kernel without this driver:
- FN-F1 (LG control panel) - Generates F15
-- FN-F5 (Touchpad toggle) - Generates F13
+- FN-F5 (Touchpad toggle) - Generates F21
- FN-F6 (Airplane mode) - Generates RFKILL
-- FN-F8 (Keyboard backlight) - Generates F16.
- This key also changes keyboard backlight mode.
- FN-F9 (Reader mode) - Generates F14
The rest of the FN keys work without a need for a special driver.