- remove ioremap_nocache given that is is equivalent to
ioremap everywhere
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Merge tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap
Pull ioremap updates from Christoph Hellwig:
"Remove the ioremap_nocache API (plus wrappers) that are always
identical to ioremap"
* tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap:
remove ioremap_nocache and devm_ioremap_nocache
MIPS: define ioremap_nocache to ioremap
Add support for reference properties in sofrware nodes (Dmitry
Torokhov) and a basic test for property entries along with fixes
on top of it (Dmitry Torokhov, Qian Cai, Alan Maguire).
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Merge tag 'devprop-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device properties framework updates from Rafael Wysocki:
"Add support for reference properties in sofrware nodes (Dmitry
Torokhov) and a basic test for property entries along with fixes on
top of it (Dmitry Torokhov, Qian Cai, Alan Maguire)"
* tag 'devprop-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
software node: introduce CONFIG_KUNIT_DRIVER_PE_TEST
usb: dwc3: use proper initializers for property entries
drivers/base/test: fix global-out-of-bounds error
software node: add basic tests for property entries
software node: remove separate handling of references
platform/x86: intel_cht_int33fe: use inline reference properties
software node: implement reference properties
software node: allow embedding of small arrays into property_entry
software node: replace is_array with is_inline
- Update the ACPICA code in the kernel to upstream revision
20200110 including:
* Update of copyright notices to 2020 (Bob Moore).
* Dispatcher fix to always generate buffer objects for the ASL
create_field() operator (Maximilian Luz).
* Debugger cleanup (Colin Ian King).
* Disassembler change to create buffer fields in
ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
* UNIX line ending support for non-windows builds in acpisrc
(Erik Kaneda).
- Update the list of ACPICA maintainers (Rafael Wysocki).
- Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
int340x_thermal and intel-hid drivers (Gayatri Kammela).
- Make the ACPI fan driver create additional sysfs attributes to
expose power states information for fans (Srinivas Pandruvada).
- Fix up the ACPI battery driver to deal with unexpected battery
capacity information in a better way (Hans de Goede).
- Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
boards (Aaron Ma, Hans de Goede).
- Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
to the ACPI button driver (Jason Ekstrand).
- Drop TIMER_DEFERRABLE from the GHES polling mode timer function
flags to make it run precisely at the configured time (Bhaskar
Upadhaya).
- Fix race condition related to the reference counting of query
handlers in the ACPI EC driver (Rafael Wysocki).
- Fix ACPI tools build issue (Zhengyuan Liu).
- Replace dma_request_slave_channel() with dma_request_chan() in the
firmware guide documentation for ACPI (Peter Ujfalusi).
- Fix typo in a comment and clean up function parameter data type
inconsistencies (Kacper Piwiński, Tian Tao).
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Merge tag 'acpi-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to the most recent upstream
revision (20200110), add new hardware support to a handful of ACPI
drivers, make the ACPI fan driver expose power states information for
fans, add some more quirks, fix bugs and clean up assorted things.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20200110
including:
- Update of copyright notices to 2020 (Bob Moore).
- Dispatcher fix to always generate buffer objects for the ASL
create_field() operator (Maximilian Luz).
- Debugger cleanup (Colin Ian King).
- Disassembler change to create buffer fields in
ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
- UNIX line ending support for non-windows builds in acpisrc (Erik
Kaneda).
- Update the list of ACPICA maintainers (Rafael Wysocki).
- Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
int340x_thermal and intel-hid drivers (Gayatri Kammela).
- Make the ACPI fan driver create additional sysfs attributes to
expose power states information for fans (Srinivas Pandruvada).
- Fix up the ACPI battery driver to deal with unexpected battery
capacity information in a better way (Hans de Goede).
- Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
boards (Aaron Ma, Hans de Goede).
- Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch to
the ACPI button driver (Jason Ekstrand).
- Drop TIMER_DEFERRABLE from the GHES polling mode timer function
flags to make it run precisely at the configured time (Bhaskar
Upadhaya).
- Fix race condition related to the reference counting of query
handlers in the ACPI EC driver (Rafael Wysocki).
- Fix ACPI tools build issue (Zhengyuan Liu).
- Replace dma_request_slave_channel() with dma_request_chan() in the
firmware guide documentation for ACPI (Peter Ujfalusi).
- Fix typo in a comment and clean up function parameter data type
inconsistencies (Kacper Piwiński, Tian Tao)"
* tag 'acpi-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
ACPICA: Update version to 20200110
ACPICA: All acpica: Update copyrights to 2020 Including tool signons.
apei/ghes: Do not delay GHES polling
ACPI: button: Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
ACPI: PPTT: Consistently use unsigned int as parameter type
ACPI: EC: Reference count query handlers under lock
ACPICA: Update the list of maintainers
ACPICA: Update version to 20191213
ACPICA: Dispatcher: always generate buffer objects for ASL create_field() operator
ACPICA: acpisrc: add unix line ending support for non-windows build
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
ACPICA: debugger: fix spelling mistake "adress" -> "address"
ACPI: video: Do not export a non working backlight interface on MSI MS-7721 boards
docs: firmware-guide: ACPI: Replace dma_request_slave_channel() with dma_request_chan()
thermal: int340x_thermal: Add Tiger Lake ACPI device IDs
platform/x86: intel-hid: Add Tiger Lake ACPI device ID
ACPI: fan: Add Tiger Lake ACPI device ID
ACPI: DPTF: Add Tiger Lake ACPI device IDs
ACPI: fan: Expose fan performance state information
tools/power/acpi: fix compilation error
...
* Enable thermal policy for ASUS TUF FX705DY/FX505DY
* Support left round button on ASUS N56VB
* Support new Mellanox platforms of basic class VMOD0009 and VMOD0010
* Intel Comet Lake, Tiger Lake and Elkhart Lake support in the PMC driver
* Big clean up to Intel PMC core, PMC IPC and SCU IPC drivers
* Touchscreen support for the PiPO W11 tablet
The following is an automated git shortlog grouped by driver:
asus-nb-wmi:
- Support left round button on N56VB
asus-wmi:
- Fix keyboard brightness cannot be set to 0
- Set throttle thermal policy to default
- Support throttle thermal policy
Documentation/ABI:
- Add new attribute for mlxreg-io sysfs interfaces
- Style changes
- Add missed attribute for mlxreg-io sysfs interfaces
- Fix documentation inconsistency for mlxreg-io sysfs interfaces
GPD pocket fan:
- Allow somewhat lower/higher temperature limits
- Use default values when wrong modparams are given
intel_atomisp2_pm:
- Spelling fixes
- Refactor timeout loop
intel_mid_powerbtn:
- Take a copy of ddata
intel_pmc_core:
- update Comet Lake platform driver
- Fix spelling of MHz unit
- Fix indentation in function definitions
- Put more stuff under #ifdef DEBUG_FS
- Respect error code of kstrtou32_from_user()
- Add Intel Elkhart Lake support
- Add Intel Tiger Lake support
- Make debugfs entry for pch_ip_power_gating_status conditional
- Create platform dependent bitmap structs
- Remove unnecessary assignments
- Clean up: Remove comma after the termination line
intel_pmc_ipc:
- Switch to use driver->dev_groups
- Propagate error from kstrtoul()
- Use octal permissions in sysfs attributes
- Get rid of unnecessary includes
- Drop ipc_data_readb()
- Drop intel_pmc_gcr_read() and intel_pmc_gcr_write()
- Make intel_pmc_ipc_raw_cmd() static
- Make intel_pmc_ipc_simple_command() static
- Make intel_pmc_gcr_update() static
intel_scu_ipc:
- Reformat kernel-doc comments of exported functions
- Drop intel_scu_ipc_raw_command()
- Drop intel_scu_ipc_io[read|write][8|16]()
- Drop unused macros
- Drop unused prototype intel_scu_ipc_fw_update()
- Sleeping is fine when polling
- Drop intel_scu_ipc_i2c_cntrl()
- Remove Lincroft support
- Add constants for register offsets
- Fix interrupt support
intel_scu_ipcutil:
- Remove default y from Kconfig
intel_telemetry_debugfs:
- Respect error code of kstrtou32_from_user()
intel_telemetry_pltdrv:
- use devm_platform_ioremap_resource()
mlx-platform:
- Add support for next generation systems
- Add support for new capability register
- Add support for new system type
- Set system mux configuration based on system type
- Add more definitions for system attributes
- Cosmetic changes
platform/mellanox:
- mlxreg-hotplug: Add support for new capability register
- fix potential deadlock in the tmfifo driver
tools/power/x86/intel-speed-select:
- Update version
- Change the order for clos disable
- Fix result display for turbo-freq auto mode
- Add support for core-power discovery
- Allow additional core-power mailbox commands
- Update MAINTAINERS for the intel uncore frequency control
- Add support for Uncore frequency control
touchscreen_dmi:
- Fix indentation in several places
- Add info for the PiPO W11 tablet
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Merge tag 'platform-drivers-x86-v5.6-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- Enable thermal policy for ASUS TUF FX705DY/FX505DY
- Support left round button on ASUS N56VB
- Support new Mellanox platforms of basic class VMOD0009 and VMOD0010
- Intel Comet Lake, Tiger Lake and Elkhart Lake support in the PMC
driver
- Big clean-up to Intel PMC core, PMC IPC and SCU IPC drivers
- Touchscreen support for the PiPO W11 tablet
* tag 'platform-drivers-x86-v5.6-1' of git://git.infradead.org/linux-platform-drivers-x86: (64 commits)
platform/x86: intel_pmc_ipc: Switch to use driver->dev_groups
platform/x86: intel_pmc_ipc: Propagate error from kstrtoul()
platform/x86: intel_pmc_ipc: Use octal permissions in sysfs attributes
platform/x86: intel_pmc_ipc: Get rid of unnecessary includes
platform/x86: intel_pmc_ipc: Drop ipc_data_readb()
platform/x86: intel_pmc_ipc: Drop intel_pmc_gcr_read() and intel_pmc_gcr_write()
platform/x86: intel_pmc_ipc: Make intel_pmc_ipc_raw_cmd() static
platform/x86: intel_pmc_ipc: Make intel_pmc_ipc_simple_command() static
platform/x86: intel_pmc_ipc: Make intel_pmc_gcr_update() static
platform/x86: intel_scu_ipc: Reformat kernel-doc comments of exported functions
platform/x86: intel_scu_ipc: Drop intel_scu_ipc_raw_command()
platform/x86: intel_scu_ipc: Drop intel_scu_ipc_io[read|write][8|16]()
platform/x86: intel_scu_ipc: Drop unused macros
platform/x86: intel_scu_ipc: Drop unused prototype intel_scu_ipc_fw_update()
platform/x86: intel_scu_ipc: Sleeping is fine when polling
platform/x86: intel_scu_ipc: Drop intel_scu_ipc_i2c_cntrl()
platform/x86: intel_scu_ipc: Remove Lincroft support
platform/x86: intel_scu_ipc: Add constants for register offsets
platform/x86: intel_scu_ipc: Fix interrupt support
platform/x86: intel_scu_ipcutil: Remove default y from Kconfig
...
* acpi-battery:
ACPI / battery: Deal better with neither design nor full capacity not being reported
ACPI / battery: Use design-cap for capacity calculations if full-cap is not available
ACPI / battery: Deal with design or full capacity being reported as -1
* acpi-video:
ACPI: video: Do not export a non working backlight interface on MSI MS-7721 boards
ACPI: video: Use native backlight on Lenovo E41-25/45
ACPI: video: fix typo in comment
* acpi-fan:
ACPI: fan: Expose fan performance state information
* acpi-drivers:
thermal: int340x_thermal: Add Tiger Lake ACPI device IDs
platform/x86: intel-hid: Add Tiger Lake ACPI device ID
ACPI: fan: Add Tiger Lake ACPI device ID
ACPI: DPTF: Add Tiger Lake ACPI device IDs
The driver core provides support for adding additional attributes for
devices via new ->dev_groups member of struct device_driver. Convert the
driver to use that instead of adding the attributes manually.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
kstrtoul() already returns negative error if the input was not valid so
return it directly.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This is the current preferred way so replace the S_IWUSR with the
corresponding octal value. While there move the attributes to follow
directly their store functions.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
There is no point including headers that are not needed in the driver so
drop them.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This function is not used anywhere so drop it completely.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
These functions are not used anywhere so drop them completely.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This function is not called outside of intel_pmc_ipc.c so we can make it
static instead.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This function is not called outside of intel_pmc_ipc.c so we can make it
static instead.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This function is not called outside of intel_pmc_ipc.c so we can make it
static instead.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Format kernel-doc comments of the exported functions to follow the
typical format that does not have tab indentation. Also capitalize
parameter descriptions and add a missing period.
No functional changes intended.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
There is no user for this function so we can drop it from the driver.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
There are no users for these so we can remove them.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
These macros are not used anywhere in the driver so drop them.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
There is no reason why the driver would need to block other threads from
running the CPU while it is waiting for the SCU IPC to complete its
work. For this reason switch the driver to use usleep_range() instead
with a bit more relaxed polling loop.
Also add constant for the timeout and use the same value for both
polling and interrupt modes.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
There are no existing users for this functionality so drop it from the
driver completely. This also means we don't need to keep the struct
intel_scu_ipc_pdata_t around anymore so remove that as well.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Moorestown support was removed years ago with by the commit 1a8359e411
("x86/mid: Remove Intel Moorestown"). Lincroft is the CPU side chip of
Moorestown and not supported anymore so remove the code from the driver.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This makes the code more readable. These are taken from intel_pmc_ipc.c
which implements the same thing.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Currently the driver has disabled interrupt support for Tangier but
actually interrupt works just fine if the command is not written twice
in a row. Also we need to ack the interrupt in the handler.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This driver is by no means essential for system to boot up so remove
default y from it.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The driver gets driver_data from memory that is marked as const (which
is probably put to read-only memory) and it then modifies it. This
likely causes some sort of fault to happen.
Fix this by taking a copy of the structure.
Fixes: c94a8ff14d ("platform/x86: intel_mid_powerbtn: make mid_pb_ddata const")
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The N56VB laptop has a round button located on the left side above the
keyboard. Map it to F13 since it does not have any predeterminated
purpose.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To discover core-power capability, some new mailbox commands are added. Allow
those commands to execute.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
One fix in the wilco_ec keyboard backlight driver
to allow the EC driver to continue loading in the absence
of a backlight module.
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Merge tag 'tag-chrome-platform-fixes-for-v5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform fix from Benson Leung:
"One fix in the wilco_ec keyboard backlight driver to allow the EC
driver to continue loading in the absence of a backlight module"
* tag 'tag-chrome-platform-fixes-for-v5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: wilco_ec: Fix keyboard backlight probing
* Fix keyboard brightness control for ASUS laptops
* Better handling parameters of GPD pocket fan module to avoid thermal shock
* Add IDs to PMC platform driver to support Intel Comet Lake
* Fix potential dead lock in Mellanox TM FIFO driver and ABI documentation
The following is an automated git shortlog grouped by driver:
asus-wmi:
- Fix keyboard brightness cannot be set to 0
Documentation/ABI:
- Add missed attribute for mlxreg-io sysfs interfaces
- Fix documentation inconsistency for mlxreg-io sysfs interfaces
GPD pocket fan:
- Allow somewhat lower/higher temperature limits
- Use default values when wrong modparams are given
intel-ips:
- Use the correct style for SPDX License Identifier
intel_pmc_core:
- update Comet Lake platform driver
platform/mellanox:
- fix potential deadlock in the tmfifo driver
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Merge tag 'platform-drivers-x86-v5.5-3' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fixes from Andy Shevchenko:
- Fix keyboard brightness control for ASUS laptops
- Better handling parameters of GPD pocket fan module to avoid
thermal shock
- Add IDs to PMC platform driver to support Intel Comet Lake
- Fix potential dead lock in Mellanox TM FIFO driver and ABI
documentation
* tag 'platform-drivers-x86-v5.5-3' of git://git.infradead.org/linux-platform-drivers-x86:
Documentation/ABI: Add missed attribute for mlxreg-io sysfs interfaces
Documentation/ABI: Fix documentation inconsistency for mlxreg-io sysfs interfaces
platform/x86: asus-wmi: Fix keyboard brightness cannot be set to 0
platform/x86: intel_pmc_core: update Comet Lake platform driver
platform/x86: GPD pocket fan: Allow somewhat lower/higher temperature limits
platform/x86: GPD pocket fan: Use default values when wrong modparams are given
platform/mellanox: fix potential deadlock in the tmfifo driver
platform/x86: intel-ips: Use the correct style for SPDX License Identifier
Add support for new Mellanox system types of basic class VMOD0010,
containing new Mellanox systems equipped with new switch device
Spectrum 3 (32x400GbE/64x200G/128x100G Ethernet switch).
These are the Top of the Rack 1U/2U/4U systems, equipped with
Mellanox Comex card and with the switch board with Mellanox Spectrum-3
device.
This class of devices can be equipped with two PS units for 1U/2U or
with four PS units for 4U systems.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add support for capability register, which is used for detection of the
actual number of interrupt capable components within the particular
group, supported by the specific system.
Such components could be for example the number of power units and
interrupts related to these units.
The motivation is to avoid adding a new code in the future in order to
distinct between the systems type supported different number of the
components like power supplies, FANs, ASICs, line cards.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add support for capability register, which contains information about
the number of PS units equipped on the system and about minimum I2C
frequency supported by the all system's I2C devices.
Utilization of this register allows to avoid necessity of providing new
system description, in case it differs in number of PS units or in
minimal I2C frequency.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add support for new Mellanox system types of basic class VMOD0009,
containing Mellanox systems equipped with the switch devices
Spectrum 1 (32x100GbE Ethernet switch) and Switch-IB/Switch-IB2
(36x100Gbe InfiniBand switch).
These are the Top of the Rack system, equipped with Mellanox Comex
card.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Separate assignment for systems mux configuration based on system type,
instead of setting the same configuration for the all.
The motivation is to allow introduction of new systems types with the
different mux topology.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add new attributes for "next-generation" type systems:
- Reset cause indication, when system reset has been caused by the
platform reset request through CPLD, by AC power failure,
by software power off request through CPLD. by signal asserted by SOC
through ACPI register. It introduces more reset causes, which can
be monitored after the reboots.
- Setting and removing system VPD (EEPROM) hardware write protection.
It allows to access VPD during production cycle and prevents VPD
corruption on system in field.
- Voltage regulator devices configuration update status and version. It
allows to monitor configuration update status and current active
version for such sort of devices.
- PCIe ASIC reset disable - when set ASIC will go down upon PCIe
root complex reset, otherwise ASIC will stay up during PCIe root
complex reset.
- System configuration Ids to provide system static topology
identification, like system's static I2C topology, number and type of
FPGA devices within the system and so on.
Add the existing attribute for "iio" bank selection for system type
"msn21xx".
All the above attributes are exposed through "sysfs" by "mlxreg-io"
driver.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Remove redundant semicolons at the end of few functions.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Some server users set limits on the uncore frequency using MSR 620H, while
running latency sensitive workloads. Here uncore frequency controls
RING/LLC(last-level cache) clocks.
But MSR control is not always possible from the user space, so this driver
provides a sysfs interface to set max and min frequency limits. This MSR
620H is a die scoped in multi-die system or package scoped in non multi-die
systems.
When this driver is loaded, a new directory is created under
/sys/devices/system/cpu.
For example on a two package Skylake server:
$cd /sys/devices/system/cpu/intel_uncore_frequency
$ls
package_00_die_00 package_01_die_00
$ls package_00_die_00
max_freq_khz min_freq_khz initial_max_freq_khz
initial_min_freq_khz
$grep . *
max_freq_khz:2400000
min_freq_khz:1200000
initial_max_freq_khz:2400000
initial_min_freq_khz:1200000
Here, initial_max_freq_khz and initial_min_freq_khz are read only
attributes to show power up or initial values of max and min frequencies
respectively. Other attributes are read-write, so that users can modify.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Some of ASUS laptops like UX431FL keyboard backlight cannot be set to
brightness 0. According to ASUS' information, the brightness should be
0x80 ~ 0x83. This patch fixes it by following the logic.
Fixes: e9809c0b96 ("asus-wmi: add keyboard backlight support")
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Reviewed-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Some of ASUS laptops like UX431FL keyboard backlight cannot be set to
brightness 0. According to ASUS' information, the brightness should be
0x80 ~ 0x83. This patch fixes it by following the logic.
Fixes: e9809c0b96 ("asus-wmi: add keyboard backlight support")
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Reviewed-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Adding new CML CPU model ID into platform driver support list.
Signed-off-by: Harry Pan <harry.pan@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Allow the user to configure the fan to turn on / speed-up at lower
thresholds then before (20 degrees Celcius as minimum instead of 40) and
likewise also allow the user to delay the fan speeding-up till the
temperature hits 90 degrees Celcius (was 70).
Cc: Jason Anderson <jasona.594@gmail.com>
Reported-by: Jason Anderson <jasona.594@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Use our default values when wrong module-parameters are given, instead of
refusing to load. Refusing to load leaves the fan at the BIOS default
setting, which is "Off". The CPU's thermal throttling should protect the
system from damage, but not-loading is really not the best fallback in this
case.
This commit fixes this by re-setting module-parameter values to their
defaults if they are out of range, instead of failing the probe with
-EINVAL.
Cc: stable@vger.kernel.org
Cc: Jason Anderson <jasona.594@gmail.com>
Reported-by: Jason Anderson <jasona.594@gmail.com>
Fixes: 594ce6db32 ("platform/x86: GPD pocket fan: Use a min-speed of 2 while charging")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit fixes the potential deadlock caused by the console Rx
and Tx processing at the same time. Rx and Tx both take the console
and tmfifo spinlock but in different order which causes potential
deadlock. The fix is to use different tmfifo spinlock for Rx and
Tx since they protect different resources and it's safe to split
the lock.
Below is the reported call trace when copying/pasting large string
in the console.
Rx:
_raw_spin_lock_irqsave (hvc lock)
__hvc_poll
hvc_poll
in_intr
vring_interrupt
mlxbf_tmfifo_rxtx_one_desc (tmfifo lock)
mlxbf_tmfifo_rxtx
mlxbf_tmfifo_work_rxtx
Tx:
_raw_spin_lock_irqsave (tmfifo lock)
mlxbf_tmfifo_virtio_notify
virtqueue_notify
virtqueue_kick
put_chars
hvc_push
hvc_write (hvc lock)
...
do_tty_write
tty_write
Fixes: 1357dfd726 ("platform/mellanox: Add TmFifo driver for Mellanox BlueField Soc")
Cc: <stable@vger.kernel.org> # 5.4+
Reviewed-by: David Woods <dwoods@mellanox.com>
Signed-off-by: Liming Sun <lsun@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This patch corrects the SPDX License Identifier style in
header files related to x86 Platform Specific Drivers.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used).
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The EC on the Wilco platform responds with 0xFF to commands related to
the keyboard backlight on the absence of a keyboard backlight module.
This change allows the EC driver to continue loading even if the
backlight module is not present.
Fixes: 119a3cb6d6 ("platform/chrome: wilco_ec: Add keyboard backlight LED support")
Signed-off-by: Daniel Campello <campello@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
The timeout loop look more naturally when done like
unsigned long timeout = ...;
...
do {
...
if (cond)
return %OK;
sleep(...);
} while (time_before(timeout));
...print timeout error...
return %ERROR;
It also saves LOCs. Convert the driver to this format of timeout loop.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
ASUS TUF FX705DY/FX505DY starts in silent mode and under heavy
CPU load it overheats and drops CPU frequency to 399MHz and stays
at it until reboot [1]. Set throttle thermal policy to default
to avoid overheating and throttlig.
[1] Link: https://bugzilla.kernel.org/show_bug.cgi?id=203733
Signed-off-by: Leonid Maksymchuk <leonmaxx@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Throttle thermal policy ACPI device is used to control CPU cooling and
throttling. This patch adds sysfs entry for setting current mode and
Fn+F5 hotkey that switches to next.
Policy modes:
* 0x00 - default
* 0x01 - overboost
* 0x02 - silent
Signed-off-by: Leonid Maksymchuk <leonmaxx@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
1. Put on one line PROPERTY_ENTRY_STRING("firmware-name", ...) lines. In most
cases this doesn't over the limit, the rest is pretty much obvious from
reading point of view.
2. Put on one line DMI_MATCH() parameters, we already have over the limit lines.
3. Reduce indentation of function parameters.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
