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Linus Torvalds 63de37476e chrome platform changes for v5.5
* CrOS EC / MFD / IIO
  - Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part of a
    series from Gwendal to refactor sensor code between MFD, CrOS EC, iio
    and input in order to add a new sensorhub driver and FIFO processing
 
 * Wilco EC:
  - Add support for Dell's USB PowerShare policy control, keyboard
    backlight LED driver, and a new test_event file.
  - Fixes use after free in wilco_ec's telemetry driver.
 
 * Misc:
  - bugfix in cros_usbpd_logger (missing destroy workqueue).
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Merge tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform changes from Benson Leung:
 "CrOS EC / MFD / IIO:

   - Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part
     of a series from Gwendal to refactor sensor code between MFD, CrOS
     EC, iio and input in order to add a new sensorhub driver and FIFO
     processing

  Wilco EC:

   - Add support for Dell's USB PowerShare policy control, keyboard
     backlight LED driver, and a new test_event file.

   - Fixes use after free in wilco_ec's telemetry driver.

  Misc:

   - bugfix in cros_usbpd_logger (missing destroy workqueue)"

* tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: wilco_ec: fix use after free issue
  platform/chrome: cros_ec: Add Kconfig default for cros-ec-sensorhub
  Revert "Input: cros_ec_keyb: mask out extra flags in event_type"
  Revert "Input: cros_ec_keyb - add back missing mask for event_type"
  platform/chrome: cros_ec: handle MKBP more events flag
  platform/chrome: cros_ec: Do not attempt to register a non-positive IRQ number
  platform/chrome: cros-ec: Record event timestamp in the hard irq
  mfd / platform / iio: cros_ec: Register sensor through sensorhub
  iio / platform: cros_ec: Add cros-ec-sensorhub driver
  mfd / platform: cros_ec: Add sensor_count and make check_features public
  platform/chrome: cros_ec: Put docs with the code
  platform/chrome: cros_usbpd_logger: add missed destroy_workqueue in remove
  platform/chrome: cros_ec: Fix Kconfig indentation
  platform/chrome: wilco_ec: Add keyboard backlight LED support
  platform/chrome: wilco_ec: Add charging config driver
  platform/chrome: wilco_ec: Add Dell's USB PowerShare Policy control
  platform/chrome: wilco_ec: Add debugfs test_event file
2019-12-03 14:37:12 -08:00
Linus Torvalds 37323918ca - Core Frameworks
- Add support for a "resource managed strongly uncachable ioremap" call
    - Provide a collection of MFD helper macros
    - Remove mfd_clone_cell() from MFD core
    - Add NULL de-reference protection in MFD core
    - Remove superfluous function fd_platform_add_cell() from MFD core
    - Honour Device Tree's request to disable a device
 
  - New Drivers
    - Add support for MediaTek MT6323 PMIC
 
  - New Device Support
    - Add support for Gemini Lake to Intel LPSS PCI
    - Add support for Cherry Trail Crystal Cover PMIC to Intel SoC PMIC CRC
    - Add support for PM{I}8950 to Qualcomm SPMI PMIC
    - Add support for U8420 to ST-Ericsson DB8500
    - Add support for Comet Lake PCH-H to Intel LPSS PCI
 
  - New Functionality
    - Add support for requested supply clocks; madera-core
 
  - Fix-ups
    - Lower interrupt priority; rk808
    - Use provided helpers (macros, group functions, defines); rk808,
 		ipaq-micro, ab8500-core, db8500-prcmu, mt6397-core, cs5535-mfd
    - Only allocate IRQs on request; max77620
    - Use simplified API; arizona-core
    - Remove redundant and/or duplicated code; wm8998-tables, arizona, syscon
    - Device Tree binding fix-ups; madera, max77650, max77693
    - Remove mfd_cell->id abuse hack; cs5535-mfd
    - Remove only user of mfd_clone_cell(); cs5535-mfd
    - Make resources static; rohm-bd70528
 
  - Bug Fixes
    - Fix product ID for RK818; rk808
    - Fix Power Key; rk808
    - Fix booting on the BananaPi; mt6397-core
    - Endian fix-ups; twl.h
    - Fix static error checker warnings; ti_am335x_tscadc
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Merge tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Add support for a "resource managed strongly uncachable ioremap"
     call
   - Provide a collection of MFD helper macros
   - Remove mfd_clone_cell() from MFD core
   - Add NULL de-reference protection in MFD core
   - Remove superfluous function fd_platform_add_cell() from MFD core
   - Honour Device Tree's request to disable a device

  New Drivers:
   - Add support for MediaTek MT6323 PMIC

  New Device Support:
   - Add support for Gemini Lake to Intel LPSS PCI
   - Add support for Cherry Trail Crystal Cover PMIC to Intel SoC PMIC
     CRC
   - Add support for PM{I}8950 to Qualcomm SPMI PMIC
   - Add support for U8420 to ST-Ericsson DB8500
   - Add support for Comet Lake PCH-H to Intel LPSS PCI

  New Functionality:
   - Add support for requested supply clocks; madera-core

  Fix-ups:
   - Lower interrupt priority; rk808
   - Use provided helpers (macros, group functions, defines); rk808,
     ipaq-micro, ab8500-core, db8500-prcmu, mt6397-core, cs5535-mfd
   - Only allocate IRQs on request; max77620
   - Use simplified API; arizona-core
   - Remove redundant and/or duplicated code; wm8998-tables, arizona,
     syscon
   - Device Tree binding fix-ups; madera, max77650, max77693
   - Remove mfd_cell->id abuse hack; cs5535-mfd
   - Remove only user of mfd_clone_cell(); cs5535-mfd
   - Make resources static; rohm-bd70528

  Bug Fixes:
   - Fix product ID for RK818; rk808
   - Fix Power Key; rk808
   - Fix booting on the BananaPi; mt6397-core
   - Endian fix-ups; twl.h
   - Fix static error checker warnings; ti_am335x_tscadc"

* tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (47 commits)
  Revert "mfd: syscon: Set name of regmap_config"
  mfd: ti_am335x_tscadc: Fix static checker warning
  mfd: bd70528: Staticize bit value definitions
  mfd: mfd-core: Honour Device Tree's request to disable a child-device
  dt-bindings: mfd: max77693: Fix missing curly brace
  mfd: intel-lpss: Add Intel Comet Lake PCH-H PCI IDs
  mfd: db8500-prcmu: Support U8420-sysclk firmware
  dt-bindings: mfd: max77650: Convert the binding document to yaml
  mfd: mfd-core: Move pdev->mfd_cell creation back into mfd_add_device()
  mfd: mfd-core: Remove usage counting for .{en,dis}able() call-backs
  x86: olpc-xo1-sci: Remove invocation of MFD's .enable()/.disable() call-backs
  x86: olpc-xo1-pm: Remove invocation of MFD's .enable()/.disable() call-backs
  mfd: mfd-core: Remove mfd_clone_cell()
  mfd: mfd-core: Protect against NULL call-back function pointer
  mfd: cs5535-mfd: Register clients using their own dedicated MFD cell entries
  mfd: cs5535-mfd: Request shared IO regions centrally
  mfd: cs5535-mfd: Remove mfd_cell->id hack
  mfd: cs5535-mfd: Use PLATFORM_DEVID_* defines and tidy error message
  mfd: intel_soc_pmic_crc: Add "cht_crystal_cove_pmic" cell to CHT cells
  mfd: madera: Add support for requesting the supply clocks
  ...
2019-12-01 16:16:31 -08:00
Linus Torvalds 00074a7007 power supply and reset changes for the v5.5 series
Drivers:
  * test_power: add support for current and charge_counter
  * cpcap-charger: improve charge calculation and limit default charge voltage
  * ab8500: convert to IIO
  * misc. small fixes all over drivers
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Merge tag 'for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:

 - test_power: add support for current and charge_counter

 - cpcap-charger: improve charge calculation and limit default charge
   voltage

 - ab8500: convert to IIO

 - misc small fixes all over drivers

* tag 'for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (29 commits)
  power: supply: bd70528: Add MODULE_ALIAS to allow module auto loading
  power: supply: ab8500_charger: Fix inconsistent IS_ERR and PTR_ERR
  power: supply: cpcap-charger: cpcap_charger_voltage_to_regval() can be static
  power: supply: cpcap-battery: Add basic coulomb counter calibrate support
  power: supply: cpcap-battery: Read and save integrator register CCI
  power: supply: cpcap-battery: Simplify short term power average calculation
  power: supply: cpcap-battery: Simplify coulomb counter calculation with div_s64
  power: supply: cpcap-battery: Move coulomb counter units per lsb to ddata
  power: supply: cpcap-charger: Allow changing constant charge voltage
  power: supply: cpcap-battery: Fix handling of lowered charger voltage
  power: supply: cpcap-charger: Improve battery detection
  power: supply: cpcap-battery: Check voltage before orderly_poweroff
  power: supply: cpcap-charger: Limit voltage to 4.2V for battery
  power: supply: ab8500: Handle invalid IRQ from platform_get_irq_byname()
  power: supply: ab8500_fg: Do not free non-requested IRQs in probe's error path
  power: supply: ab8500: Cleanup probe in reverse order
  power: reset: at91: fix __le32 cast in reset code
  power: supply: abx500_chargalg: Fix code indentation
  mfd: Switch the AB8500 GPADC to IIO
  iio: adc: New driver for the AB8500 GPADC
  ...
2019-11-27 09:55:39 -08:00
Linus Torvalds 6e9f879684 ACPI updates for 5.5-rc1
- Update the ACPICA code in the kernel to upstream revision 20191018
    including:
 
    * Fixes for Clang warnings (Bob Moore).
 
    * Fix for possible overflow in get_tick_count() (Bob Moore).
 
    * Introduction of acpi_unload_table() (Bob Moore).
 
    * Debugger and utilities updates (Erik Schmauss).
 
    * Fix for unloading tables loaded via configfs (Nikolaus Voss).
 
  - Add support for EFI specific purpose memory to optionally allow
    either application-exclusive or core-kernel-mm managed access to
    differentiated memory (Dan Williams).
 
  - Fix and clean up processing of the HMAT table (Brice Goglin,
    Qian Cai, Tao Xu).
 
  - Update the ACPI EC driver to make it work on systems with
    hardware-reduced ACPI (Daniel Drake).
 
  - Always build in support for the Generic Event Device (GED) to
    allow one kernel binary to work both on systems with full
    hardware ACPI and hardware-reduced ACPI (Arjan van de Ven).
 
  - Fix the table unload mechanism to unregister platform devices
    created when the given table was loaded (Andy Shevchenko).
 
  - Rework the lid blacklist handling in the button driver and add
    more lid quirks to it (Hans de Goede).
 
  - Improve ACPI-based device enumeration for some platforms based
    on Intel BayTrail SoCs (Hans de Goede).
 
  - Add an OpRegion driver for the Cherry Trail Crystal Cove PMIC
    and prevent handlers from being registered for unhandled PMIC
    OpRegions (Hans de Goede).
 
  - Unify ACPI _HID/_UID matching (Andy Shevchenko).
 
  - Clean up documentation and comments (Cao jin, James Pack, Kacper
    Piwiński).
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Merge tag 'acpi-5.5-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 upstream revision
  20191018, add support for EFI specific purpose memory, update the ACPI
  EC driver to make it work on systems with hardware-reduced ACPI,
  improve ACPI-based device enumeration for some platforms, rework the
  lid blacklist handling in the button driver and add more lid quirks to
  it, unify ACPI _HID/_UID matching, fix assorted issues and clean up
  the code and documentation.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20191018
     including:
      * Fixes for Clang warnings (Bob Moore)
      * Fix for possible overflow in get_tick_count() (Bob Moore)
      * Introduction of acpi_unload_table() (Bob Moore)
      * Debugger and utilities updates (Erik Schmauss)
      * Fix for unloading tables loaded via configfs (Nikolaus Voss)

   - Add support for EFI specific purpose memory to optionally allow
     either application-exclusive or core-kernel-mm managed access to
     differentiated memory (Dan Williams)

   - Fix and clean up processing of the HMAT table (Brice Goglin, Qian
     Cai, Tao Xu)

   - Update the ACPI EC driver to make it work on systems with
     hardware-reduced ACPI (Daniel Drake)

   - Always build in support for the Generic Event Device (GED) to allow
     one kernel binary to work both on systems with full hardware ACPI
     and hardware-reduced ACPI (Arjan van de Ven)

   - Fix the table unload mechanism to unregister platform devices
     created when the given table was loaded (Andy Shevchenko)

   - Rework the lid blacklist handling in the button driver and add more
     lid quirks to it (Hans de Goede)

   - Improve ACPI-based device enumeration for some platforms based on
     Intel BayTrail SoCs (Hans de Goede)

   - Add an OpRegion driver for the Cherry Trail Crystal Cove PMIC and
     prevent handlers from being registered for unhandled PMIC OpRegions
     (Hans de Goede)

   - Unify ACPI _HID/_UID matching (Andy Shevchenko)

   - Clean up documentation and comments (Cao jin, James Pack, Kacper
     Piwiński)"

* tag 'acpi-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (52 commits)
  ACPI: OSI: Shoot duplicate word
  ACPI: HMAT: use %u instead of %d to print u32 values
  ACPI: NUMA: HMAT: fix a section mismatch
  ACPI: HMAT: don't mix pxm and nid when setting memory target processor_pxm
  ACPI: NUMA: HMAT: Register "soft reserved" memory as an "hmem" device
  ACPI: NUMA: HMAT: Register HMAT at device_initcall level
  device-dax: Add a driver for "hmem" devices
  dax: Fix alloc_dax_region() compile warning
  lib: Uplevel the pmem "region" ida to a global allocator
  x86/efi: Add efi_fake_mem support for EFI_MEMORY_SP
  arm/efi: EFI soft reservation to memblock
  x86/efi: EFI soft reservation to E820 enumeration
  efi: Common enable/disable infrastructure for EFI soft reservation
  x86/efi: Push EFI_MEMMAP check into leaf routines
  efi: Enumerate EFI_MEMORY_SP
  ACPI: NUMA: Establish a new drivers/acpi/numa/ directory
  ACPICA: Update version to 20191018
  ACPICA: debugger: remove leading whitespaces when converting a string to a buffer
  ACPICA: acpiexec: initialize all simple types and field units from user input
  ACPICA: debugger: add field unit support for acpi_db_get_next_token
  ...
2019-11-26 19:25:25 -08:00
Rafael J. Wysocki 1fca7e0e6f Merge branches 'acpi-ec', 'acpi-soc', 'acpi-pmic' and 'acpi-button'
* acpi-ec:
  ACPI: EC: add support for hardware-reduced systems
  ACPI: EC: tweak naming in preparation for GpioInt support

* acpi-soc:
  ACPI: LPSS: Add dmi quirk for skipping _DEP check for some device-links
  ACPI: LPSS: Add LNXVIDEO -> BYT I2C1 to lpss_device_links
  ACPI: LPSS: Add LNXVIDEO -> BYT I2C7 to lpss_device_links

* acpi-pmic:
  ACPI / PMIC: Add Cherry Trail Crystal Cove PMIC OpRegion driver
  ACPI / PMIC: Add byt prefix to Crystal Cove PMIC OpRegion driver
  ACPI / PMIC: Do not register handlers for unhandled OpRegions

* acpi-button:
  ACPI: button: Remove unused acpi_lid_notifier_[un]register() functions
  ACPI: button: Add DMI quirk for Asus T200TA
  ACPI: button: Add DMI quirk for Medion Akoya E2215T
  ACPI: button: Turn lid_blacklst DMI table into a generic quirk table
  ACPI: button: Allow disabling LID support with the lid_init_state module option
  ACPI: button: Refactor lid_init_state module parsing code
2019-11-26 10:30:12 +01:00
Mark Brown a21da94f61
Merge branch 'regulator-5.5' into regulator-next 2019-11-22 19:56:20 +00:00
Gwendal Grignou d60ac88a62 mfd / platform / iio: cros_ec: Register sensor through sensorhub
Remove the duplicated code in MFD, since MFD just registers cros-ec-sensorhub
if at least one sensor is present.

Change IIO cros-ec driver to get the pointer to the cros-ec-dev through
cros-ec-sensorhub.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
2019-11-21 11:23:14 +01:00
Gwendal Grignou a16b2e2819 mfd / platform: cros_ec: Add sensor_count and make check_features public
Add a new function to return the number of MEMS sensors available in a
ChromeOS Embedded Controller. It uses MOTIONSENSE_CMD_DUMP if available
or a specific memory map ACPI registers to find out.

Also, make check_features public as it can be useful for other drivers
to know what the Embedded Controller supports.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
2019-11-21 11:23:13 +01:00
Sven Van Asbroeck 62f7f3eca4
tps6105x: add optional devicetree support
This driver currently requires platform data to specify the
operational mode and regulator init data (in case of regulator
mode).

Optionally specify the operational mode by looking at the name
of the devicetree child node.

Example: put chip in regulator mode:

i2c0 {
	tps61052@33 {
		compatible = "ti,tps61052";
		reg = <0x33>;

		regulator {
                            regulator-min-microvolt = <5000000>;
                            regulator-max-microvolt = <5000000>;
                            regulator-always-on;
		};
	};
};

Tree: linux-next
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Link: https://lore.kernel.org/r/20191119154611.29625-2-TheSven73@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-11-20 17:10:36 +00:00
Andy Shevchenko edfaeaf742 Revert "mfd: syscon: Set name of regmap_config"
This reverts commit 500f9ff518.

The original commit is a duplication of the exactly previously added
commit 408d1d570a ("mfd: syscon: Set regmap name to DT node name").
Revert the unnecessary later one.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-13 11:07:40 +00:00
Vignesh Raghavendra de98a43eb7 mfd: ti_am335x_tscadc: Fix static checker warning
It is possible that platform_get_resource() might return NULL and
therefore code needs to check for this condition before
de-referencing the pointer.

Therefore move the de-referencing of 'res' pointer after
devm_ioremap_resource() which would have checked the validity of the
pointer.

Reported-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 11:26:26 +00:00
Matti Vaittinen cfca8bb24e mfd: bd70528: Staticize bit value definitions
Make bit definitions static to reduce the scope.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 11:25:15 +00:00
Lee Jones 6b5c350648 mfd: mfd-core: Honour Device Tree's request to disable a child-device
Until now, MFD has assumed all child devices passed to it (via
mfd_cells) are to be registered. It does not take into account
requests from Device Tree and the like to disable child devices
on a per-platform basis.

Well now it does.

Link: https://www.spinics.net/lists/arm-kernel/msg366309.html
Link: https://lkml.org/lkml/2019/8/22/1350

Reported-by: Barry Song <Baohua.Song@csr.com>
Reported-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Tested-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 11:23:57 +00:00
Andy Shevchenko dd047dce3a mfd: intel-lpss: Add Intel Comet Lake PCH-H PCI IDs
Intel Comet Lake PCH-H has the same LPSS than Intel Cannon Lake.
Add the new IDs to the list of supported devices.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:19 +00:00
Linus Walleij 22fb3ad0cc mfd: db8500-prcmu: Support U8420-sysclk firmware
There is a distinct version of the Ux500 U8420 variant
with "sysclk", as can be seen from the vendor code that
didn't make it upstream, this firmware lacks the
ULPPLL (ultra-low power phase locked loop) which in
effect means that the timer clock is instead wired to
the 32768 Hz always-on clock.

This has some repercussions when enabling the timer
clock as the code as it stands will disable the timer
clock on these platforms (lacking the so-called
"doze mode") and obtaining the wrong rate of the timer
clock.

The timer frequency is of course needed very early in
the boot, and as a consequence, we need to shuffle
around the early PRCMU init code: whereas in the past
we did not need to look up the PRCMU firmware version
in the early init, but now we need to know the version
before the core system timers are registered so we
restructure the platform callbacks to the PRCMU so as
not to take any arguments and instead look up the
resources it needs directly from the device tree
when initializing.

As we do not yet support any platforms using this
firmware it is not a regression, but as PostmarketOS
is starting to support products with this firmware we
need to fix this up.

The low rate of 32kHz also makes the MTU timer unsuitable
as delay timer but this needs to be fixed in a separate
patch.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:04 +00:00
Lee Jones b944a68806 mfd: mfd-core: Move pdev->mfd_cell creation back into mfd_add_device()
Most of the complexity of mfd_platform_add_cell() has been removed. The
only functionality left duplicates cell memory into the child's platform
device. Since it's only a few lines, moving it to the main thread and
removing the superfluous function makes sense.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
2019-11-11 08:45:03 +00:00
Lee Jones 5a47c0fbd2 mfd: mfd-core: Remove usage counting for .{en,dis}able() call-backs
The MFD implementation for reference counting was complex and unnecessary.
There was only one bona fide user which has now been converted to handle
the process in a different way. Any future resource protection, shared
enablement functions should be handed by the parent device, rather than
through the MFD subsystem API.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
2019-11-11 08:45:03 +00:00
Lee Jones ead1c83ddd mfd: mfd-core: Remove mfd_clone_cell()
Providing a subsystem-level API helper seems over-kill just to save a
few lines of C-code.  Previous commits saw us convert mfd_clone_cell()'s
only user over to use a more traditional style of MFD child-device
registration.  Now we can remove the superfluous helper from the MFD API.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
2019-11-11 08:45:03 +00:00
Lee Jones b195e10158 mfd: mfd-core: Protect against NULL call-back function pointer
If a child device calls mfd_cell_{en,dis}able() without an appropriate
call-back being set, we are likely to encounter a panic.  Avoid this
by adding suitable checking.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
2019-11-11 08:45:03 +00:00
Lee Jones 99cd105975 mfd: cs5535-mfd: Register clients using their own dedicated MFD cell entries
CS5535 is the only user of mfd_clone_cell().  It makes more sense to
register child devices in the traditional way and remove the quite
bespoke mfd_clone_cell() call from the MFD API.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
2019-11-11 08:45:03 +00:00
Lee Jones 2d4ba9173a mfd: cs5535-mfd: Request shared IO regions centrally
Prior to this patch, IO regions were requested via an MFD subsytem-level
.enable() call-back and similarly released by a .disable() call-back.
Double requests/releases were avoided by a centrally handled usage count
mechanism.

This complexity can all be avoided by handling IO regions only once during
.probe() and .remove() of the parent device.  Since this is the only
legitimate user of the aforementioned usage count mechanism, this patch
will allow it to be removed from MFD core in subsequent steps.

Suggested-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
2019-11-11 08:45:03 +00:00
Lee Jones 2129e56e95 mfd: cs5535-mfd: Remove mfd_cell->id hack
The current implementation abuses the platform 'id' mfd_cell member
to index into the correct resources entry.  Seeing as enough resource
slots are already available, let's just loop through all available
bars and allocate them to their appropriate slot, even if they happen
to be zero.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
2019-11-11 08:45:03 +00:00
Lee Jones 601e4289a0 mfd: cs5535-mfd: Use PLATFORM_DEVID_* defines and tidy error message
In most contexts '-1' doesn't really mean much to the casual observer.
In almost all cases, it's better to use a human readable define.  In
this case PLATFORM_DEVID_* defines have already been provided for this
purpose.

While we're here, let's be specific about the 'MFD devices' which
failed.  It will help when trying to distinguish which of the 2 sets
of sub-devices we actually failed to register.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
2019-11-11 08:45:03 +00:00
Hans de Goede 36f1b26b4b mfd: intel_soc_pmic_crc: Add "cht_crystal_cove_pmic" cell to CHT cells
Add a "cht_crystal_cove_pmic" cell to the cells for the Cherry Trail
variant of the Crystal Cove PMIC. Adding this cell enables / hooks-up
the new Cherry Trail Crystal Cove PMIC OpRegion driver.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:03 +00:00
Charles Keepax 1e624fce3a mfd: madera: Add support for requesting the supply clocks
Add the ability to get the clock for each clock input pin of the chip
and enable MCLK2 since that is expected to be a permanently enabled
32kHz clock.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:03 +00:00
Charles Keepax 28eafe9162 mfd: wm8998: Remove some unused registers
Save a few bytes by removing some registers from the driver that are not
currently used and not intended to be used at any point in the future.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:02 +00:00
Fabien Parent eb00f70d77 mfd: mt6397: Use PLATFORM_DEVID_NONE macro instead of -1
Use the correct macro when adding the MFD devices instead of using
directly '-1' value.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:02 +00:00
Frank Wunderlich 11c4f2be58 mfd: mt6397: Fix probe after changing mt6397-core
Part 3 from this series [1] was not merged due to wrong splitting
and breaks mt6323 pmic on bananapi-r2

dmesg prints this line and at least switch is not initialized on bananapi-r2

mt6397 1000d000.pwrap:mt6323: unsupported chip: 0x0

this patch contains only the probe-changes and chip_data structs
from original part 3 by Hsin-Hsiung Wang

[1] https://patchwork.kernel.org/project/linux-mediatek/list/?series=164155

Fixes: a4872e80ce ("mfd: mt6397: Extract IRQ related code from core driver")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:02 +00:00
Dmitry Torokhov 5da3f76737 mfd: arizona: Switch to using devm_gpiod_get()
Now that gpiolib recognizes wlf,reset legacy GPIO and will handle it
even if DTS uses it without -gpio[s] suffix, we can switch to more
standard devm_gpiod_get() and later remove devm_gpiod_get_from_of_node().

Note that we will lose "arizona /RESET" custom GPIO label, but since we
do not set such custom label when using the modern binding, I opted to
not having it here either.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:02 +00:00
Thierry Reding 7f0e60c751 mfd: max77620: Do not allocate IRQs upfront
regmap_add_irq_chip() will try to allocate all of the IRQ descriptors
upfront if passed a non-zero irq_base parameter. However, the intention
is to allocate IRQ descriptors on an as-needed basis if possible. Pass 0
instead of -1 to fix that use-case.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:02 +00:00
Angelo G. Del Regno f5b4c8b45d mfd: qcom-spmi-pmic: Add support for PM/PMI8950
Add the subtype and compatible strings for PM8950 and PMI8950,
found in various SoCs, including MSM8953, MSM8956, MSM8976 and
APQ variants.

Signed-off-by: Angelo G. Del Regno <kholk11@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:02 +00:00
Lee Jones a04b4be677 mfd: db8500-prcmu: Example using new OF_MFD_CELL/MFD_CELL_BASIC MACROs
... with and without 'resources'.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-11 08:45:02 +00:00
Lee Jones f4d41ad844 mfd: ab8500: Example using new OF_MFD_CELL MACRO
... with and without platform ID.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-11 08:45:02 +00:00
Markus Elfring f20781e5f3 mfd: ipaq-micro: Use devm_platform_ioremap_resource() in micro_probe()
Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:01 +00:00
Heiko Stuebner eeb86ed3ea mfd: rk808: Use DEFINE_RES_IRQ for rk808 RTC alarm IRQ
Do not open code the definition, instead use the nice DEFINE_RES_IRQ
macro for it.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:01 +00:00
Heiko Stuebner dbd16ef534 mfd: rk808: Set RK817 interrupt polarity to low
All other rk8xx operate with the polarity on low and even the old
submitted devicetree snippet for the px30-evb declared the irq as low.
So bring the rk817 preset in line with this, as there is really no
reason for it to be the only with with a high polarity.

The rk809/rk817 hasn't been added to any devicetrees so far, so this
won't break anything.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:01 +00:00
Heiko Stuebner bc85e4adbd mfd: rk808: Fix RK817 powerkey integration
The pwrkey integration seems to stem from the vendor kernel, as the
compatible is wrong and also the order of key-irqs is swapped.

So fix these issues to make the pwrkey on rk817 actually work.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:01 +00:00
Jarkko Nikula 3f31bc67e4 mfd: intel-lpss: Add default I2C device properties for Gemini Lake
It turned out Intel Gemini Lake doesn't use the same I2C timing
parameters as Broxton.

I got confirmation from the Windows team that Gemini Lake systems should
use updated timing parameters that differ from those used in Broxton
based systems.

Fixes: f80e78aa11 ("mfd: intel-lpss: Add Intel Gemini Lake PCI IDs")
Tested-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:45:01 +00:00
Tuowen Zhao a8ff78f7f7 mfd: intel-lpss: Use devm_ioremap_uc for MMIO
Some BIOS erroneously specifies write-combining BAR for intel-lpss-pci
in MTRR. This will cause the system to hang during boot. If possible,
this bug could be corrected with a firmware update.

This patch use devm_ioremap_uc to overwrite/ignore the MTRR settings
by forcing the use of strongly uncachable pages for intel-lpss.

The BIOS bug is present on Dell XPS 13 7390 2-in-1:

[    0.001734]   5 base 4000000000 mask 6000000000 write-combining

4000000000-7fffffffff : PCI Bus 0000:00
  4000000000-400fffffff : 0000:00:02.0 (i915)
  4010000000-4010000fff : 0000:00:15.0 (intel-lpss-pci)

Link: https://bugzilla.kernel.org/show_bug.cgi?id=203485
Cc: <stable@vger.kernel.org> # v4.19+
Tested-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Tuowen Zhao <ztuowen@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Roman Gilg <subdiff@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-11-11 08:40:21 +00:00
Hans de Goede ed852cde25 ACPI / PMIC: Add byt prefix to Crystal Cove PMIC OpRegion driver
Our current Crystal Cove OpRegion driver is only valid for the
Crystal Cove PMIC variant found on Bay Trail (BYT) boards,
Cherry Trail (CHT) based boards use another variant.

At least the regulator registers are different on CHT and these registers
are one of the things controlled by the custom PMIC OpRegion.

Commit 4d9ed62ab1 ("mfd: intel_soc_pmic: Export separate mfd-cell
configs for BYT and CHT") has disabled the intel_pmic_crc.c code for CHT
devices by removing the "crystal_cove_pmic" MFD cell on CHT devices.

This commit renames the intel_pmic_crc.c driver and the cell to be
prefixed with "byt" to indicate that this code is for BYT devices only.

This is a preparation patch for adding a separate PMIC OpRegion
driver for the CHT variant of the Crystal Cove PMIC (sometimes called
Crystal Cove Plus in Android kernel sources).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-10-25 11:43:08 +02:00
Frank Wunderlich 603d9299da mfd: mt6397: Fix probe after changing mt6397-core
Part 3 from this series [1] was not merged due to wrong splitting
and breaks mt6323 pmic on bananapi-r2

dmesg prints this line and at least switch is not initialized on bananapi-r2

mt6397 1000d000.pwrap:mt6323: unsupported chip: 0x0

this patch contains only the probe-changes and chip_data structs
from original part 3 by Hsin-Hsiung Wang

[1] https://patchwork.kernel.org/project/linux-mediatek/list/?series=164155

Fixes: a4872e80ce ("mfd: mt6397: Extract IRQ related code from core driver")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-10-24 08:49:25 +01:00
Linus Walleij a77fc11156 mfd: Switch the AB8500 GPADC to IIO
The AB8500 GPADC driver is indeed a "general purpose ADC" driver,
and while the IIO subsystem did not exist when the driver was
first merged, it is never too late to clean things up and move it
to the right place.

Nowadays IIO provides the right abstractions and interfaces to
do generic ADC work in the kernel.

We have to cut a bunch of debugfs luggage to make this transition
swift, but all these files to is read out the raw values of the
ADC and the IIO subsystem already has a standard sysfs ABI for
doing exactly this: no debugfs is needed.

Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-10-18 19:37:45 +01:00
Linus Torvalds 939ca9f175 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
Pull thermal SoC updates from Eduardo Valentin:
 "This is a really small pull in the midst of a lot of pending patches.

  We are in the middle of restructuring how we are maintaining the
  thermal subsystem, as per discussion in our last LPC. For now, I am
  sending just some changes that were pending in my tree. Looking
  forward to get a more streamlined process in the next merge window"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
  thermal: db8500: Rewrite to be a pure OF sensor
  thermal: db8500: Use dev helper variable
  thermal: db8500: Finalize device tree conversion
  thermal: thermal_mmio: remove some dead code
2019-09-29 10:24:23 -07:00
Linus Walleij cb063a83ca thermal: db8500: Finalize device tree conversion
At some point there was an attempt to convert the DB8500
thermal sensor to device tree: a probe path was added
and the device tree was augmented for the Snowball board.
The switchover was never completed: instead the thermal
devices came from from the PRCMU MFD device and the probe
on the Snowball was confused as another set of configuration
appeared from the device tree.

Move over to a device-tree only approach, as we fixed up
the device trees.

Cc: Vincent Guittot <vincent.guittot@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2019-09-24 22:54:49 -07:00
Linus Torvalds 4c07e2ddab - New Drivers
- Add support for Merrifield Basin Cove PMIC
 
  - New Device Support
    - Add support for Intel Tiger Lake to Intel LPSS PCI
    - Add support for Intel Sky Lake to Intel LPSS PCI
    - Add support for ST-Ericsson DB8520 to DB8500 PRCMU
 
  - New Functionality
    - Add RTC and PWRC support to MT6323
 
  - Fix-ups
    - Clean-up include files; davinci_voicecodec, asic3, sm501, mt6397
    - Ignore return values from debugfs_create*(); ab3100-*, ab8500-debugfs, aat2870-core
    - Device Tree changes; rn5t618, mt6397
    - Use new I2C API; tps80031, 88pm860x-core, ab3100-core, bcm590xx,
                       da9150-core, max14577, max77693, max77843, max8907,
                       max8925-i2c, max8997, max8998, palmas, twl-core,
    - Remove obsolete code; da9063, jz4740-adc
    - Simplify semantics; timberdale, htc-i2cpld
    - Add 'fall-through' tags; omap-usb-host, db8500-prcmu
    - Remove superfluous prints; ab8500-debugfs, db8500-prcmu, fsl-imx25-tsadc,
                                 intel_soc_pmic_bxtwc, qcom_rpm, sm501
    - Trivial rename/whitespace/typo fixes; mt6397-core, MAINTAINERS
    - Reorganise code structure; mt6397-*
    - Improve code consistency; intel-lpss
    - Use MODULE_SOFTDEP() helper; intel-lpss
    - Use DEFINE_RES_*() helpers; mt6397-core
 
  - Bug Fixes
    - Clean-up resources; max77620
    - Prevent input events being dropped on resume; intel-lpss-pci
    - Prevent sleeping in IRQ context; ezx-pcap
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Merge tag 'mfd-next-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Add support for Merrifield Basin Cove PMIC

  New Device Support:
   - Add support for Intel Tiger Lake to Intel LPSS PCI
   - Add support for Intel Sky Lake to Intel LPSS PCI
   - Add support for ST-Ericsson DB8520 to DB8500 PRCMU

  New Functionality:
   - Add RTC and PWRC support to MT6323

  Fix-ups:
   - Clean-up include files; davinci_voicecodec, asic3, sm501, mt6397
   - Ignore return values from debugfs_create*(); ab3100-*, ab8500-debugfs, aat2870-core
   - Device Tree changes; rn5t618, mt6397
   - Use new I2C API; tps80031, 88pm860x-core, ab3100-core, bcm590xx,
                      da9150-core, max14577, max77693, max77843, max8907,
                      max8925-i2c, max8997, max8998, palmas, twl-core,
   - Remove obsolete code; da9063, jz4740-adc
   - Simplify semantics; timberdale, htc-i2cpld
   - Add 'fall-through' tags; omap-usb-host, db8500-prcmu
   - Remove superfluous prints; ab8500-debugfs, db8500-prcmu, fsl-imx25-tsadc,
                                intel_soc_pmic_bxtwc, qcom_rpm, sm501
   - Trivial rename/whitespace/typo fixes; mt6397-core, MAINTAINERS
   - Reorganise code structure; mt6397-*
   - Improve code consistency; intel-lpss
   - Use MODULE_SOFTDEP() helper; intel-lpss
   - Use DEFINE_RES_*() helpers; mt6397-core

  Bug Fixes:
   - Clean-up resources; max77620
   - Prevent input events being dropped on resume; intel-lpss-pci
   - Prevent sleeping in IRQ context; ezx-pcap"

* tag 'mfd-next-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (48 commits)
  mfd: mt6323: Add MT6323 RTC and PWRC
  mfd: mt6323: Replace boilerplate resource code with DEFINE_RES_* macros
  mfd: mt6397: Add mutex include
  dt-bindings: mfd: mediatek: Add MT6323 Power Controller
  dt-bindings: mfd: mediatek: Update RTC to include MT6323
  dt-bindings: mfd: mediatek: mt6397: Change to relative paths
  mfd: db8500-prcmu: Support the higher DB8520 ARMSS
  mfd: intel-lpss: Use MODULE_SOFTDEP() instead of implicit request
  mfd: htc-i2cpld: Drop check because i2c_unregister_device() is NULL safe
  mfd: sm501: Include the GPIO driver header
  mfd: intel-lpss: Add Intel Skylake ACPI IDs
  mfd: intel-lpss: Consistently use GENMASK()
  mfd: Add support for Merrifield Basin Cove PMIC
  mfd: ezx-pcap: Replace mutex_lock with spin_lock
  mfd: asic3: Include the right header
  MAINTAINERS: altera-sysmgr: Fix typo in a filepath
  mfd: mt6397: Extract IRQ related code from core driver
  mfd: mt6397: Rename macros to something more readable
  mfd: Remove dev_err() usage after platform_get_irq()
  mfd: db8500-prcmu: Mark expected switch fall-throughs
  ...
2019-09-23 19:37:49 -07:00
Linus Torvalds 5c6bd5de3c Main MIPS changes for v5.4:
- boot_mem_map is removed, providing a nice cleanup made possible by the
   recent removal of bootmem.
 
 - Some fixes to atomics, in general providing compiler barriers for
   smp_mb__{before,after}_atomic plus fixes specific to Loongson CPUs or
   MIPS32 systems using cmpxchg64().
 
 - Conversion to the new generic VDSO infrastructure courtesy of Vincenzo
   Frascino.
 
 - Removal of undefined behavior in set_io_port_base(), fixing the
   behavior of some MIPS kernel configurations when built with recent
   clang versions.
 
 - Initial MIPS32 huge page support, functional on at least Ingenic SoCs.
 
 - pte_special() is now supported for some configurations, allowing among
   other things generic fast GUP to be used.
 
 - Miscellaneous fixes & cleanups.
 
 And platform specific changes:
 
 - Major improvements to Ingenic SoC support from Paul Cercueil, mostly
   enabled by the inclusion of the new TCU (timer-counter unit) drivers
   he's spent a very patient year or so working on. Plus some fixes for
   X1000 SoCs from Zhou Yanjie.
 
 - Netgear R6200 v1 systems are now supported by the bcm47xx platform.
 
 - DT updates for BMIPS, Lantiq & Microsemi Ocelot systems.
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Merge tag 'mips_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Paul Burton:
 "Main MIPS changes:

   - boot_mem_map is removed, providing a nice cleanup made possible by
     the recent removal of bootmem.

   - Some fixes to atomics, in general providing compiler barriers for
     smp_mb__{before,after}_atomic plus fixes specific to Loongson CPUs
     or MIPS32 systems using cmpxchg64().

   - Conversion to the new generic VDSO infrastructure courtesy of
     Vincenzo Frascino.

   - Removal of undefined behavior in set_io_port_base(), fixing the
     behavior of some MIPS kernel configurations when built with recent
     clang versions.

   - Initial MIPS32 huge page support, functional on at least Ingenic
     SoCs.

   - pte_special() is now supported for some configurations, allowing
     among other things generic fast GUP to be used.

   - Miscellaneous fixes & cleanups.

  And platform specific changes:

   - Major improvements to Ingenic SoC support from Paul Cercueil,
     mostly enabled by the inclusion of the new TCU (timer-counter unit)
     drivers he's spent a very patient year or so working on. Plus some
     fixes for X1000 SoCs from Zhou Yanjie.

   - Netgear R6200 v1 systems are now supported by the bcm47xx platform.

   - DT updates for BMIPS, Lantiq & Microsemi Ocelot systems"

* tag 'mips_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (89 commits)
  MIPS: Detect bad _PFN_SHIFT values
  MIPS: Disable pte_special() for MIPS32 with RiXi
  MIPS: ralink: deactivate PCI support for SOC_MT7621
  mips: compat: vdso: Use legacy syscalls as fallback
  MIPS: Drop Loongson _CACHE_* definitions
  MIPS: tlbex: Remove cpu_has_local_ebase
  MIPS: tlbex: Simplify r3k check
  MIPS: Select R3k-style TLB in Kconfig
  MIPS: PCI: refactor ioc3 special handling
  mips: remove ioremap_cachable
  mips/atomic: Fix smp_mb__{before,after}_atomic()
  mips/atomic: Fix loongson_llsc_mb() wreckage
  mips/atomic: Fix cmpxchg64 barriers
  MIPS: Octeon: remove duplicated include from dma-octeon.c
  firmware: bcm47xx_nvram: Allow COMPILE_TEST
  firmware: bcm47xx_nvram: Correct size_t printf format
  MIPS: Treat Loongson Extensions as ASEs
  MIPS: Remove dev_err() usage after platform_get_irq()
  MIPS: dts: mscc: describe the PTP ready interrupt
  MIPS: dts: mscc: describe the PTP register range
  ...
2019-09-22 09:30:30 -07:00
Linus Torvalds 32b90daf5c chrome platform changes for v5.4
* CrOS EC / MFD Migration
  - Move cros_ec core driver from mfd into chrome platform.
 
 * Wilco EC:
  - Add batt_ppid_info command to Wilco telemetry driver.
 
 * CrOS EC:
  - cros_ec_rpmsg : Add support to inform EC of suspend/resume status
  - cros_ec_rpmsg : Fix race condition on probe failed
  - cros_ec_chardev : Add a poll handler to receive MKBP events
 
 * Misc:
  - bugfixes in cros_usbpd_logger and cros_ec_ishtp
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Merge tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Benson Leung:
 "CrOS EC / MFD Migration:
    - Move cros_ec core driver from mfd into chrome platform.

  Wilco EC:
    - Add batt_ppid_info command to Wilco telemetry driver.

  CrOS EC:
    - cros_ec_rpmsg : Add support to inform EC of suspend/resume status
    - cros_ec_rpmsg : Fix race condition on probe failed
    - cros_ec_chardev : Add a poll handler to receive MKBP events

  Misc:
    - bugfixes in cros_usbpd_logger and cros_ec_ishtp"

* tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: cros_usbpd_logger: null check create_singlethread_workqueue
  platform/chrome: cros_ec_chardev: Add a poll handler to receive MKBP events
  platform/chrome: cros_ec_rpmsg: Fix race with host command when probe failed
  platform/chrome: chromeos_tbmc: Report wake events
  mfd: cros_ec: Use mfd_add_hotplug_devices() helper
  mfd: cros_ec: Add convenience struct to define autodetectable CrOS EC subdevices
  mfd: cros_ec: Add convenience struct to define dedicated CrOS EC MCUs
  mfd: cros_ec: Use kzalloc and cros_ec_cmd_xfer_status helper
  mfd / platform: cros_ec: Reorganize platform and mfd includes
  mfd / platform: cros_ec: Rename config to a better name
  mfd: cros_ec: Switch to use the new cros-ec-chardev driver
  mfd / platform: cros_ec: Miscellaneous character device to talk with the EC
  mfd / platform: cros_ec: Move cros-ec core driver out from MFD
  mfd / platform: cros_ec: Handle chained ECs as platform devices
  platform/chrome: cros_ec_rpmsg: Add host command AP sleep state support
  platform/chrome: chromeos_laptop: drop checks of NULL-safe functions
  platform/chrome: wilco_ec: Add batt_ppid_info command to telemetry driver
2019-09-19 14:14:28 -07:00
Linus Torvalds c6b48dad92 USB changes for 5.4-rc1
Here is the big set of USB patches for 5.4-rc1.
 
 Two major chunks of code are moving out of the tree and into the staging
 directory, uwb and wusb (wireless USB support), because there are no
 devices that actually use this protocol anymore, and what we have today
 probably doesn't work at all given that the maintainers left many many
 years ago.  So move it to staging where it will be removed in a few
 releases if no one screams.
 
 Other than that, lots of little things.  The usual gadget and xhci and
 usb serial driver updates, along with a bunch of sysfs file cleanups due
 to the driver core changes to support that.  Nothing really major, just
 constant forward progress.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here is the big set of USB patches for 5.4-rc1.

  Two major chunks of code are moving out of the tree and into the
  staging directory, uwb and wusb (wireless USB support), because there
  are no devices that actually use this protocol anymore, and what we
  have today probably doesn't work at all given that the maintainers
  left many many years ago. So move it to staging where it will be
  removed in a few releases if no one screams.

  Other than that, lots of little things. The usual gadget and xhci and
  usb serial driver updates, along with a bunch of sysfs file cleanups
  due to the driver core changes to support that. Nothing really major,
  just constant forward progress.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (159 commits)
  USB: usbcore: Fix slab-out-of-bounds bug during device reset
  usb: cdns3: Remove redundant dev_err call in cdns3_probe()
  USB: rio500: Fix lockdep violation
  USB: rio500: simplify locking
  usb: mtu3: register a USB Role Switch for dual role mode
  usb: common: add USB GPIO based connection detection driver
  usb: common: create Kconfig file
  usb: roles: get usb-role-switch from parent
  usb: roles: Add fwnode_usb_role_switch_get() function
  device connection: Add fwnode_connection_find_match()
  usb: roles: Introduce stubs for the exiting functions in role.h
  dt-bindings: usb: mtu3: add properties about USB Role Switch
  dt-bindings: usb: add binding for USB GPIO based connection detection driver
  dt-bindings: connector: add optional properties for Type-B
  dt-binding: usb: add usb-role-switch property
  usbip: Implement SG support to vhci-hcd and stub driver
  usb: roles: intel: Enable static DRD mode for role switch
  xhci-ext-caps.c: Add property to disable Intel SW switch
  usb: dwc3: remove generic PHY calibrate() calls
  usb: core: phy: add support for PHY calibration
  ...
2019-09-18 10:33:46 -07:00
Linus Torvalds 1f7d290a72 Driver core patches for 5.4-rc1
Here is the big driver core update for 5.4-rc1.
 
 There was a bit of a churn in here, with a number of core and OF
 platform patches being added to the tree, and then after much discussion
 and review and a day-long in-person meeting, they were decided to be
 reverted and a new set of patches is currently being reviewed on the
 mailing list.
 
 Other than that churn, there are two "persistent" branches in here that
 other trees will be pulling in as well during the merge window.  One
 branch to add support for drivers to have the driver core automatically
 add sysfs attribute files when a driver is bound to a device so that the
 driver doesn't have to manually do it (and then clean it up, as it
 always gets it wrong).
 
 There's another branch in here for generic lookup helpers for the driver
 core that lots of busses are starting to use.  That's the majority of
 the non-driver-core changes in this patch series.
 
 There's also some on-going debugfs file creation cleanup that has been
 slowly happening over the past few releases, with the goal to hopefully
 get that done sometime next year.
 
 All of these have been in linux-next for a while now with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg Kroah-Hartman:
 "Here is the big driver core update for 5.4-rc1.

  There was a bit of a churn in here, with a number of core and OF
  platform patches being added to the tree, and then after much
  discussion and review and a day-long in-person meeting, they were
  decided to be reverted and a new set of patches is currently being
  reviewed on the mailing list.

  Other than that churn, there are two "persistent" branches in here
  that other trees will be pulling in as well during the merge window.
  One branch to add support for drivers to have the driver core
  automatically add sysfs attribute files when a driver is bound to a
  device so that the driver doesn't have to manually do it (and then
  clean it up, as it always gets it wrong).

  There's another branch in here for generic lookup helpers for the
  driver core that lots of busses are starting to use. That's the
  majority of the non-driver-core changes in this patch series.

  There's also some on-going debugfs file creation cleanup that has been
  slowly happening over the past few releases, with the goal to
  hopefully get that done sometime next year.

  All of these have been in linux-next for a while now with no reported
  issues"

[ Note that the above-mentioned generic lookup helpers branch was
  already brought in by the LED merge (commit 4feaab05dc) that had
  shared it.

  Also note that that common branch introduced an i2c bug due to a bad
  conversion, which got fixed here. - Linus ]

* tag 'driver-core-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (49 commits)
  coccinelle: platform_get_irq: Fix parse error
  driver-core: add include guard to linux/container.h
  sysfs: add BIN_ATTR_WO() macro
  driver core: platform: Export platform_get_irq_optional()
  hwmon: pwm-fan: Use platform_get_irq_optional()
  driver core: platform: Introduce platform_get_irq_optional()
  Revert "driver core: Add support for linking devices during device addition"
  Revert "driver core: Add edit_links() callback for drivers"
  Revert "of/platform: Add functional dependency link from DT bindings"
  Revert "driver core: Add sync_state driver/bus callback"
  Revert "of/platform: Pause/resume sync state during init and of_platform_populate()"
  Revert "of/platform: Create device links for all child-supplier depencencies"
  Revert "of/platform: Don't create device links for default busses"
  Revert "of/platform: Fix fn definitons for of_link_is_valid() and of_link_property()"
  Revert "of/platform: Fix device_links_supplier_sync_state_resume() warning"
  Revert "of/platform: Disable generic device linking code for PowerPC"
  devcoredump: fix typo in comment
  devcoredump: use memory_read_from_buffer
  of/platform: Disable generic device linking code for PowerPC
  device.h: Fix warnings for mismatched parameter names in comments
  ...
2019-09-18 10:04:39 -07:00
Linus Torvalds 4feaab05dc LED updates for 5.4-rc1
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Merge tag 'leds-for-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:
 "In this cycle we've finally managed to contribute the patch set
  sorting out LED naming issues. Besides that there are many changes
  scattered among various LED class drivers and triggers.

  LED naming related improvements:

   - add new 'function' and 'color' fwnode properties and deprecate
     'label' property which has been frequently abused for conveying
     vendor specific names that have been available in sysfs anyway

   - introduce a set of standard LED_FUNCTION* definitions

   - introduce a set of standard LED_COLOR_ID* definitions

   - add a new {devm_}led_classdev_register_ext() API with the
     capability of automatic LED name composition basing on the
     properties available in the passed fwnode; the function is
     backwards compatible in a sense that it uses 'label' data, if
     present in the fwnode, for creating LED name

   - add tools/leds/get_led_device_info.sh script for retrieving LED
     vendor, product and bus names, if applicable; it also performs
     basic validation of an LED name

   - update following drivers and their DT bindings to use the new LED
     registration API:

        - leds-an30259a, leds-gpio, leds-as3645a, leds-aat1290, leds-cr0014114,
          leds-lm3601x, leds-lm3692x, leds-lp8860, leds-lt3593, leds-sc27xx-blt

  Other LED class improvements:

   - replace {devm_}led_classdev_register() macros with inlines

   - allow to call led_classdev_unregister() unconditionally

   - switch to use fwnode instead of be stuck with OF one

  LED triggers improvements:

   - led-triggers:
        - fix dereferencing of null pointer
        - fix a memory leak bug

   - ledtrig-gpio:
        - GPIO 0 is valid

  Drop superseeded apu2/3 support from leds-apu since for apu2+ a newer,
  more complete driver exists, based on a generic driver for the AMD
  SOCs gpio-controller, supporting LEDs as well other devices:

   - drop profile field from priv data

   - drop iosize field from priv data

   - drop enum_apu_led_platform_types

   - drop superseeded apu2/3 led support

   - add pr_fmt prefix for better log output

   - fix error message on probing failure

  Other misc fixes and improvements to existing LED class drivers:

   - leds-ns2, leds-max77650:
        - add of_node_put() before return

   - leds-pwm, leds-is31fl32xx:
        - use struct_size() helper

   - leds-lm3697, leds-lm36274, leds-lm3532:
        - switch to use fwnode_property_count_uXX()

   - leds-lm3532:
        - fix brightness control for i2c mode
        - change the define for the fs current register
        - fixes for the driver for stability
        - add full scale current configuration
        - dt: Add property for full scale current.
        - avoid potentially unpaired regulator calls
        - move static keyword to the front of declarations
        - fix optional led-max-microamp prop error handling

   - leds-max77650:
        - add of_node_put() before return
        - add MODULE_ALIAS()
        - Switch to fwnode property API

   - leds-as3645a:
        - fix misuse of strlcpy

   - leds-netxbig:
        - add of_node_put() in netxbig_leds_get_of_pdata()
        - remove legacy board-file support

   - leds-is31fl319x:
        - simplify getting the adapter of a client

   - leds-ti-lmu-common:
        - fix coccinelle issue
        - move static keyword to the front of declaration

   - leds-syscon:
        - use resource managed variant of device register

   - leds-ktd2692:
        - fix a typo in the name of a constant

   - leds-lp5562:
        - allow firmware files up to the maximum length

   - leds-an30259a:
        - fix typo

   - leds-pca953x:
        - include the right header"

* tag 'leds-for-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: (72 commits)
  leds: lm3532: Fix optional led-max-microamp prop error handling
  led: triggers: Fix dereferencing of null pointer
  leds: ti-lmu-common: Move static keyword to the front of declaration
  leds: lm3532: Move static keyword to the front of declarations
  leds: trigger: gpio: GPIO 0 is valid
  leds: pwm: Use struct_size() helper
  leds: is31fl32xx: Use struct_size() helper
  leds: ti-lmu-common: Fix coccinelle issue in TI LMU
  leds: lm3532: Avoid potentially unpaired regulator calls
  leds: syscon: Use resource managed variant of device register
  leds: Replace {devm_}led_classdev_register() macros with inlines
  leds: Allow to call led_classdev_unregister() unconditionally
  leds: lm3532: Add full scale current configuration
  dt: lm3532: Add property for full scale current.
  leds: lm3532: Fixes for the driver for stability
  leds: lm3532: Change the define for the fs current register
  leds: lm3532: Fix brightness control for i2c mode
  leds: Switch to use fwnode instead of be stuck with OF one
  leds: max77650: Switch to fwnode property API
  led: triggers: Fix a memory leak bug
  ...
2019-09-17 18:40:42 -07:00