To improve readability and to be consistent with other
struct members.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dev_ is preferred if struct device is available.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no reason to have an array of 1.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since the driver provides no workaround prevent in cases if structs do
no fit into a memory page, it is better to fail complation to find about
the issue earlt instead of returning errors at runtime.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Provide an explanation why GFP_ATOMIC is needed to prevent changing it to
other values.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These are several enums that must kept in sync with the host side.
This change explicitly separates them into a dedicated header file.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
checkpatch: Function's opening brace has to be at the
beginning of the next line.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
goldfish_pipe is distributed under GPL v2.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some comment lines are longer than 80 symbols.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
An ACPI buffer that was allocated was not being freed after use.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
ACPI buffers were being allocated but never freed.
Reported-by: Pinzhen Xu <pinzhen.xu@intel.com>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
The cros-ec-lpc driver lives in drivers/platform because is platform
specific, however there are two includes (cros_ec_lpc_mec.h and
cros_ec_lpc_reg.h) that lives in include/linux/mfd. These two includes
are only used for the platform driver and are not really related to the
MFD subsystem, so move the includes from include/linux/mfd to
drivers/platform/chrome.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
The driver for Silead touchscreen configurations has been renamed
from silead_dmi to touchscreen_dmi since it starts supporting other
touchscreens which require some DMI quirks. At the same release cycle
it gets expanded to cover cases for Chuwi Vi10, ONDA V891W,
Connect Tablet 9, Onda V820w, and Cube KNote i1101 tablets.
Another bunch of changes is related to Mellanox platform code to allow
user space to communicate with Mellanox for system control and
monitoring purposes. The driver notifies user on hotplug device signal
receiving.
ASUS WMI drivers recognize lid flip action on UX360, and correctly
toggles airplane mode LED. In addition the keyboard backlight toggle
gets support.
ThinkPad ACPI driver enables support for calculator key (on at least P52).
It also has been fixed to support three characters model designators,
which are used for modern laptops. Earlier the battery, marked as BAT1,
on ThinkPad laptops has not been configured properly, which is fixed.
On the opposite the multi-battery configurations now probed correctly.
Dell SMBIOS driver starts working on some Dell servers which do not
support token interface. The regression with backlight detection has
also been fixed. In order to support dock mode on some laptops,
Intel virtual button driver has been fixed. The last but not least
is the fix to Intel HID driver due to changes in Dell systems that
prevented to use power button.
The following is an automated git shortlog grouped by driver:
acer-wmi:
- Silence "unsupported" message a bit
- refactor function has_cap
asus-nb-wmi:
- Add keymap entry for lid flip action on UX360
asus-wireless:
- Fix uninitialized symbol usage
- Toggle airplane mode LED
asus-wmi:
- Add keyboard backlight toggle support
- Call led hw_changed API on kbd brightness change
dell-laptop:
- Fix backlight detection
dell-smbios:
- make a function and a pointer static
dell-smbios-base:
- Support systems without tokens
dell-smbios-wmi:
- make function dell_smbios_wmi_call static
ideapad-laptop:
- Add Y520-15IKBM and Y720-15IKBM to no_hw_rfkill
- Apply no_hw_rfkill to Y20-15IKBM, too
intel-hid:
- Add support for Device Specific Methods
intel_ips:
- remove redundant variables slope and offset
intel_pmc_core:
- Add CNP SLPS0 debug registers
intel_punit_ipc:
- fix build errors
intel-vbtn:
- Add support for dock mode detection
mlx-platform:
- Fix copy-paste error in mlxplat_init()
- Remove unused define
- Change mlxreg-io configuration for MSN274x systems
- Allow mlxreg-io driver activation for more systems
- Add ASIC hotplug device configuration
- Add new attribute for mlxreg-io sysfs interfaces
- Add mlxreg-fan platform driver activation
- Add documentation mlxreg-io sysfs interfaces
- Add mlxreg-io platform driver activation
platform/mellanox:
- mlxreg-hotplug: Add hotplug hwmon uevent notification
- mlxreg-hotplug: Improve mechanism of ASIC health discovery
- Use 2-factor allocator calls
- Introduce support for Mellanox register access driver
thinkpad_acpi:
- Fix multi-battery bug
- extend battery quirk coverage
- Support battery quirk
- Proper model/release matching
- Add support for calculator hotkey
toshiba_acpi:
- Fix defined but not used build warnings
- Update KBD backlight LED on second gen laptops
touchscreen_dmi:
- Rename silead_dmi to touchscreen_dmi
- Add touchscreen info for the Chuwi Vi10 tablet
- Sort entries alphabetically
- Rename trekstor entries
- Add info for the Cube KNote i1101 tablet
- Add info for the Onda V820w tablet
- Add info for the "Connect Tablet 9" tablet
- Add info for the ONDA V891W Dual OS tablet
wmi:
- Do not mix pages and kmalloc
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Merge tag 'platform-drivers-x86-v4.19-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- The driver for Silead touchscreen configurations has been renamed
from silead_dmi to touchscreen_dmi since it starts supporting other
touchscreens which require some DMI quirks
It also gets expanded to cover cases for Chuwi Vi10, ONDA V891W,
Connect Tablet 9, Onda V820w, and Cube KNote i1101 tablets.
- Another bunch of changes is related to Mellanox platform code to
allow user space to communicate with Mellanox for system control and
monitoring purposes. The driver notifies user on hotplug device
signal receiving.
- ASUS WMI drivers recognize lid flip action on UX360, and correctly
toggles airplane mode LED. In addition the keyboard backlight toggle
gets support.
- ThinkPad ACPI driver enables support for calculator key (on at least
P52). It also has been fixed to support three characters model
designators, which are used for modern laptops. Earlier the battery,
marked as BAT1, on ThinkPad laptops has not been configured properly,
which is fixed. On the opposite the multi-battery configurations now
probed correctly.
- Dell SMBIOS driver starts working on some Dell servers which do not
support token interface. The regression with backlight detection has
also been fixed. In order to support dock mode on some laptops, Intel
virtual button driver has been fixed. The last but not least is the
fix to Intel HID driver due to changes in Dell systems that prevented
to use power button.
* tag 'platform-drivers-x86-v4.19-1' of git://git.infradead.org/linux-platform-drivers-x86: (47 commits)
platform/x86: acer-wmi: Silence "unsupported" message a bit
platform/x86: intel_punit_ipc: fix build errors
platform/x86: ideapad: Add Y520-15IKBM and Y720-15IKBM to no_hw_rfkill
platform/x86: asus-nb-wmi: Add keymap entry for lid flip action on UX360
platform/x86: acer-wmi: refactor function has_cap
platform/x86: thinkpad_acpi: Fix multi-battery bug
platform/x86: thinkpad_acpi: extend battery quirk coverage
platform/x86: touchscreen_dmi: Add info for the Cube KNote i1101 tablet
platform/x86: mlx-platform: Fix copy-paste error in mlxplat_init()
platform/x86: mlx-platform: Remove unused define
platform/x86: mlx-platform: Change mlxreg-io configuration for MSN274x systems
Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
platform/x86: mlx-platform: Allow mlxreg-io driver activation for more systems
platform/x86: mlx-platform: Add ASIC hotplug device configuration
platform/mellanox: mlxreg-hotplug: Add hotplug hwmon uevent notification
platform/mellanox: mlxreg-hotplug: Improve mechanism of ASIC health discovery
platform/x86: mlx-platform: Add mlxreg-fan platform driver activation
platform/x86: dell-laptop: Fix backlight detection
platform/x86: toshiba_acpi: Fix defined but not used build warnings
platform/x86: thinkpad_acpi: Support battery quirk
...
This driver prints that "Unsupported machine..." message on every boot on
ThinkPad X1 Carbon laptops (and I assume a number of other systems), which
causes graphical boots to "glitch" a bit and is rather annoying ...
Make it a pr_debug instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Pull core signal handling updates from Eric Biederman:
"It was observed that a periodic timer in combination with a
sufficiently expensive fork could prevent fork from every completing.
This contains the changes to remove the need for that restart.
This set of changes is split into several parts:
- The first part makes PIDTYPE_TGID a proper pid type instead
something only for very special cases. The part starts using
PIDTYPE_TGID enough so that in __send_signal where signals are
actually delivered we know if the signal is being sent to a a group
of processes or just a single process.
- With that prep work out of the way the logic in fork is modified so
that fork logically makes signals received while it is running
appear to be received after the fork completes"
* 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (22 commits)
signal: Don't send signals to tasks that don't exist
signal: Don't restart fork when signals come in.
fork: Have new threads join on-going signal group stops
fork: Skip setting TIF_SIGPENDING in ptrace_init_task
signal: Add calculate_sigpending()
fork: Unconditionally exit if a fatal signal is pending
fork: Move and describe why the code examines PIDNS_ADDING
signal: Push pid type down into complete_signal.
signal: Push pid type down into __send_signal
signal: Push pid type down into send_signal
signal: Pass pid type into do_send_sig_info
signal: Pass pid type into send_sigio_to_task & send_sigurg_to_task
signal: Pass pid type into group_send_sig_info
signal: Pass pid and pid type into send_sigqueue
posix-timers: Noralize good_sigevent
signal: Use PIDTYPE_TGID to clearly store where file signals will be sent
pid: Implement PIDTYPE_TGID
pids: Move the pgrp and session pid pointers from task_struct to signal_struct
kvm: Don't open code task_pid in kvm_vcpu_ioctl
pids: Compute task_tgid using signal->leader_pid
...
cros_ec_i2c and cros_ec_spi drivers moved from mfd
to chrome platform.
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Merge tag 'chrome-platform-for-linus-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome platform updates from Benson Leung.
Everything but the SPDX identifier updates actually came in earlier
through the MFD merge.
* tag 'chrome-platform-for-linus-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
platform/chrome: chromeos_tbmc - fix SPDX identifier
- Add Cirrus Logic Madera Codec (CS47L35, CS47L85 and CS47L90/91) driver
- Add ChromeOS EC CEC driver
- Add ROHM BD71837 PMIC driver
- New Device Support
- Add support for Dialog Semi DA9063L PMIC variant to DA9063
- Add support for Intel Ice Lake to Intel-PLSS-PCI
- Add support for X-Powers AXP806 to AXP20x
- New Functionality
- Add support for USB Charging to the ChromeOS Embedded Controller
- Add support for HDMI CEC to the ChromeOS Embedded Controller
- Add support for HDMI CEC to Intel HDMI
- Add support for accessory detection to Madera devices
- Allow individual pins to be configured via DT' wlf,csnaddr-pd
- Provide legacy platform specific EEPROM/Watchdog commands; rave-sp
- Fix-ups
- Trivial renaming/spelling fixes; cros_ec, da9063-*
- Convert to Managed Resources (devm_*); da9063-*, ti_am335x_tscadc
- Transition to helper macros/functions; da9063-*
- Constify; kempld-core
- Improve error path/messages; wm8994-core
- Disable IRQs locally instead of relying on USB subsystem; dln2
- Remove unused code; rave-sp
- New exports; sec-core
- Bug Fixes
- Fix possible false I2C transaction error; arizona-core
- Fix declared memory area size; hi655x-pmic
- Fix checksum type; rave-sp
- Fix incorrect default serial port configuration: rave-sp
- Fix incorrect coherent DMA mask for sub-devices; sm501
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Merge tag 'mfd-next-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add Cirrus Logic Madera Codec (CS47L35, CS47L85 and CS47L90/91) driver
- Add ChromeOS EC CEC driver
- Add ROHM BD71837 PMIC driver
New Device Support:
- Add support for Dialog Semi DA9063L PMIC variant to DA9063
- Add support for Intel Ice Lake to Intel-PLSS-PCI
- Add support for X-Powers AXP806 to AXP20x
New Functionality:
- Add support for USB Charging to the ChromeOS Embedded Controller
- Add support for HDMI CEC to the ChromeOS Embedded Controller
- Add support for HDMI CEC to Intel HDMI
- Add support for accessory detection to Madera devices
- Allow individual pins to be configured via DT' wlf,csnaddr-pd
- Provide legacy platform specific EEPROM/Watchdog commands; rave-sp
Fix-upsL
- Trivial renaming/spelling fixes; cros_ec, da9063-*
- Convert to Managed Resources (devm_*); da9063-*, ti_am335x_tscadc
- Transition to helper macros/functions; da9063-*
- Constify; kempld-core
- Improve error path/messages; wm8994-core
- Disable IRQs locally instead of relying on USB subsystem; dln2
- Remove unused code; rave-sp
- New exports; sec-core
Bug Fixes:
- Fix possible false I2C transaction error; arizona-core
- Fix declared memory area size; hi655x-pmic
- Fix checksum type; rave-sp
- Fix incorrect default serial port configuration: rave-sp
- Fix incorrect coherent DMA mask for sub-devices; sm501"
* tag 'mfd-next-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (60 commits)
mfd: madera: Add register definitions for accessory detect
mfd: sm501: Set coherent_dma_mask when creating subdevices
mfd: bd71837: Devicetree bindings for ROHM BD71837 PMIC
mfd: bd71837: Core driver for ROHM BD71837 PMIC
media: platform: cros-ec-cec: Fix dependency on MFD_CROS_EC
mfd: sec-core: Export OF module alias table
mfd: as3722: Disable auto-power-on when AC OK
mfd: axp20x: Support AXP806 in I2C mode
mfd: axp20x: Add self-working mode support for AXP806
dt-bindings: mfd: axp20x: Add "self-working" mode for AXP806
mfd: wm8994: Allow to configure CS/ADDR Pulldown from dts
mfd: wm8994: Allow to configure Speaker Mode Pullup from dts
mfd: rave-sp: Emulate CMD_GET_STATUS on device that don't support it
mfd: rave-sp: Add legacy watchdog ping command translation
mfd: rave-sp: Add legacy EEPROM access command translation
mfd: rave-sp: Initialize flow control and parity of the port
mfd: rave-sp: Fix incorrectly specified checksum type
mfd: rave-sp: Remove unused defines
mfd: hi655x: Fix regmap area declared size for hi655x
mfd: ti_am335x_tscadc: Fix struct clk memory leak
...
Here is the bit set of char/misc drivers for 4.19-rc1
There is a lot here, much more than normal, seems like everyone is
writing new driver subsystems these days... Anyway, major things here
are:
- new FSI driver subsystem, yet-another-powerpc low-level
hardware bus
- gnss, finally an in-kernel GPS subsystem to try to tame all of
the crazy out-of-tree drivers that have been floating around
for years, combined with some really hacky userspace
implementations. This is only for GNSS receivers, but you
have to start somewhere, and this is great to see.
Other than that, there are new slimbus drivers, new coresight drivers,
new fpga drivers, and loads of DT bindings for all of these and existing
drivers.
Full details of everything is in the shortlog.
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 'char-misc-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the bit set of char/misc drivers for 4.19-rc1
There is a lot here, much more than normal, seems like everyone is
writing new driver subsystems these days... Anyway, major things here
are:
- new FSI driver subsystem, yet-another-powerpc low-level hardware
bus
- gnss, finally an in-kernel GPS subsystem to try to tame all of the
crazy out-of-tree drivers that have been floating around for years,
combined with some really hacky userspace implementations. This is
only for GNSS receivers, but you have to start somewhere, and this
is great to see.
Other than that, there are new slimbus drivers, new coresight drivers,
new fpga drivers, and loads of DT bindings for all of these and
existing drivers.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (255 commits)
android: binder: Rate-limit debug and userspace triggered err msgs
fsi: sbefifo: Bump max command length
fsi: scom: Fix NULL dereference
misc: mic: SCIF Fix scif_get_new_port() error handling
misc: cxl: changed asterisk position
genwqe: card_base: Use true and false for boolean values
misc: eeprom: assignment outside the if statement
uio: potential double frees if __uio_register_device() fails
eeprom: idt_89hpesx: clean up an error pointer vs NULL inconsistency
misc: ti-st: Fix memory leak in the error path of probe()
android: binder: Show extra_buffers_size in trace
firmware: vpd: Fix section enabled flag on vpd_section_destroy
platform: goldfish: Retire pdev_bus
goldfish: Use dedicated macros instead of manual bit shifting
goldfish: Add missing includes to goldfish.h
mux: adgs1408: new driver for Analog Devices ADGS1408/1409 mux
dt-bindings: mux: add adi,adgs1408
Drivers: hv: vmbus: Cleanup synic memory free path
Drivers: hv: vmbus: Remove use of slow_virt_to_phys()
Drivers: hv: vmbus: Reset the channel callback in vmbus_onoffer_rescind()
...
Fix build errors by #including <linux/io.h>.
../drivers/platform/x86/intel_punit_ipc.c: In function 'ipc_read_status':
../drivers/platform/x86/intel_punit_ipc.c:55:2: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration]
return readl(ipcdev->base[type][BASE_IFACE]);
../drivers/platform/x86/intel_punit_ipc.c: In function 'ipc_write_cmd':
../drivers/platform/x86/intel_punit_ipc.c:60:2: error: implicit declaration of function 'writel' [-Werror=implicit-function-declaration]
writel(cmd, ipcdev->base[type][BASE_IFACE]);
Fixes: 447ae31667 ("x86: Don't include linux/irq.h from asm/hardirq.h")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Zha Qipeng <qipeng.zha@intel.com>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Merge tag 'pci-v4.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
- Decode AER errors with names similar to "lspci" (Tyler Baicar)
- Expose AER statistics in sysfs (Rajat Jain)
- Clear AER status bits selectively based on the type of recovery (Oza
Pawandeep)
- Honor "pcie_ports=native" even if HEST sets FIRMWARE_FIRST (Alexandru
Gagniuc)
- Don't clear AER status bits if we're using the "Firmware-First"
strategy where firmware owns the registers (Alexandru Gagniuc)
- Use sysfs_match_string() to simplify ASPM sysfs parsing (Andy
Shevchenko)
- Remove unnecessary includes of <linux/pci-aspm.h> (Bjorn Helgaas)
- Defer DPC event handling to work queue (Keith Busch)
- Use threaded IRQ for DPC bottom half (Keith Busch)
- Print AER status while handling DPC events (Keith Busch)
- Work around IDT switch ACS Source Validation erratum (James
Puthukattukaran)
- Emit diagnostics for all cases of PCIe Link downtraining (Links
operating slower than they're capable of) (Alexandru Gagniuc)
- Skip VFs when configuring Max Payload Size (Myron Stowe)
- Reduce Root Port Max Payload Size if necessary when hot-adding a
device below it (Myron Stowe)
- Simplify SHPC existence/permission checks (Bjorn Helgaas)
- Remove hotplug sample skeleton driver (Lukas Wunner)
- Convert pciehp to threaded IRQ handling (Lukas Wunner)
- Improve pciehp tolerance of missed events and initially unstable
links (Lukas Wunner)
- Clear spurious pciehp events on resume (Lukas Wunner)
- Add pciehp runtime PM support, including for Thunderbolt controllers
(Lukas Wunner)
- Support interrupts from pciehp bridges in D3hot (Lukas Wunner)
- Mark fall-through switch cases before enabling -Wimplicit-fallthrough
(Gustavo A. R. Silva)
- Move DMA-debug PCI init from arch code to PCI core (Christoph
Hellwig)
- Fix pci_request_irq() usage of IRQF_ONESHOT when no handler is
supplied (Heiner Kallweit)
- Unify PCI and DMA direction #defines (Shunyong Yang)
- Add PCI_DEVICE_DATA() macro (Andy Shevchenko)
- Check for VPD completion before checking for timeout (Bert Kenward)
- Limit Netronome NFP5000 config space size to work around erratum
(Jakub Kicinski)
- Set IRQCHIP_ONESHOT_SAFE for PCI MSI irqchips (Heiner Kallweit)
- Document ACPI description of PCI host bridges (Bjorn Helgaas)
- Add "pci=disable_acs_redir=" parameter to disable ACS redirection for
peer-to-peer DMA support (we don't have the peer-to-peer support yet;
this is just one piece) (Logan Gunthorpe)
- Clean up devm_of_pci_get_host_bridge_resources() resource allocation
(Jan Kiszka)
- Fixup resizable BARs after suspend/resume (Christian König)
- Make "pci=earlydump" generic (Sinan Kaya)
- Fix ROM BAR access routines to stay in bounds and check for signature
correctly (Rex Zhu)
- Add DMA alias quirk for Microsemi Switchtec NTB (Doug Meyer)
- Expand documentation for pci_add_dma_alias() (Logan Gunthorpe)
- To avoid bus errors, enable PASID only if entire path supports
End-End TLP prefixes (Sinan Kaya)
- Unify slot and bus reset functions and remove hotplug knowledge from
callers (Sinan Kaya)
- Add Function-Level Reset quirks for Intel and Samsung NVMe devices to
fix guest reboot issues (Alex Williamson)
- Add function 1 DMA alias quirk for Marvell 88SS9183 PCIe SSD
Controller (Bjorn Helgaas)
- Remove Xilinx AXI-PCIe host bridge arch dependency (Palmer Dabbelt)
- Remove Aardvark outbound window configuration (Evan Wang)
- Fix Aardvark bridge window sizing issue (Zachary Zhang)
- Convert Aardvark to use pci_host_probe() to reduce code duplication
(Thomas Petazzoni)
- Correct the Cadence cdns_pcie_writel() signature (Alan Douglas)
- Add Cadence support for optional generic PHYs (Alan Douglas)
- Add Cadence power management ops (Alan Douglas)
- Remove redundant variable from Cadence driver (Colin Ian King)
- Add Kirin MSI support (Xiaowei Song)
- Drop unnecessary root_bus_nr setting from exynos, imx6, keystone,
armada8k, artpec6, designware-plat, histb, qcom, spear13xx (Shawn
Guo)
- Move link notification settings from DesignWare core to individual
drivers (Gustavo Pimentel)
- Add endpoint library MSI-X interfaces (Gustavo Pimentel)
- Correct signature of endpoint library IRQ interfaces (Gustavo
Pimentel)
- Add DesignWare endpoint library MSI-X callbacks (Gustavo Pimentel)
- Add endpoint library MSI-X test support (Gustavo Pimentel)
- Remove unnecessary GFP_ATOMIC from Hyper-V "new child" allocation
(Jia-Ju Bai)
- Add more devices to Broadcom PAXC quirk (Ray Jui)
- Work around corrupted Broadcom PAXC config space to enable SMMU and
GICv3 ITS (Ray Jui)
- Disable MSI parsing to work around broken Broadcom PAXC logic in some
devices (Ray Jui)
- Hide unconfigured functions to work around a Broadcom PAXC defect
(Ray Jui)
- Lower iproc log level to reduce console output during boot (Ray Jui)
- Fix mobiveil iomem/phys_addr_t type usage (Lorenzo Pieralisi)
- Fix mobiveil missing include file (Lorenzo Pieralisi)
- Add mobiveil Kconfig/Makefile support (Lorenzo Pieralisi)
- Fix mvebu I/O space remapping issues (Thomas Petazzoni)
- Use generic pci_host_bridge in mvebu instead of ARM-specific API
(Thomas Petazzoni)
- Whitelist VMD devices with fast interrupt handlers to avoid sharing
vectors with slow handlers (Keith Busch)
* tag 'pci-v4.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (153 commits)
PCI/AER: Don't clear AER bits if error handling is Firmware-First
PCI: Limit config space size for Netronome NFP5000
PCI/MSI: Set IRQCHIP_ONESHOT_SAFE for PCI-MSI irqchips
PCI/VPD: Check for VPD access completion before checking for timeout
PCI: Add PCI_DEVICE_DATA() macro to fully describe device ID entry
PCI: Match Root Port's MPS to endpoint's MPSS as necessary
PCI: Skip MPS logic for Virtual Functions (VFs)
PCI: Add function 1 DMA alias quirk for Marvell 88SS9183
PCI: Check for PCIe Link downtraining
PCI: Add ACS Redirect disable quirk for Intel Sunrise Point
PCI: Add device-specific ACS Redirect disable infrastructure
PCI: Convert device-specific ACS quirks from NULL termination to ARRAY_SIZE
PCI: Add "pci=disable_acs_redir=" parameter for peer-to-peer support
PCI: Allow specifying devices using a base bus and path of devfns
PCI: Make specifying PCI devices in kernel parameters reusable
PCI: Hide ACS quirk declarations inside PCI core
PCI: Delay after FLR of Intel DC P3700 NVMe
PCI: Disable Samsung SM961/PM961 NVMe before FLR
PCI: Export pcie_has_flr()
PCI: mvebu: Drop bogus comment above mvebu_pcie_map_registers()
...
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Merge tag 'media/v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new Socionext MN88443x ISDB-S/T demodulator driver: mn88443x
- new sensor drivers: ak7375, ov2680 and rj54n1cb0c
- an old soc-camera sensor driver converted to the V4L2 framework:
mt9v111
- a new Voice-Coil Motor (VCM) driver: dw9807-vcm
- some cleanups at cx25821, removing legacy unused code
- some improvements at ddbridge driver
- new platform driver: vicodec
- some DVB API cleanups, removing ioctls and compat code for old
out-of-tree drivers that were never merged upstream
- improvements at DVB core to support frontents that support both
Satellite and non-satellite delivery systems
- got rid of the unused VIDIOC_RESERVED V4L2 ioctl
- some cleanups/improvements at gl861 ISDB driver
- several improvements on ov772x, ov7670 and ov5640, imx274, ov5645,
and smiapp sensor drivers
- fixes at em28xx to support dual TS devices
- some cleanups at V4L2/VB2 locking logic
- some API improvements at media controller
- some cec core and drivers improvements
- some uvcvideo improvements
- some improvements at platform drivers: stm32-dcmi, rcar-vin, coda,
reneseas-ceu, imx, vsp1, venus, camss
- lots of other cleanups and fixes
* tag 'media/v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (406 commits)
Revert "media: vivid: shut up warnings due to a non-trivial logic"
siano: get rid of an unused return code for debugfs register
media: isp: fix a warning about a wrong struct initializer
media: radio-wl1273: fix return code for the polling routine
media: s3c-camif: fix return code for the polling routine
media: saa7164: fix return codes for the polling routine
media: exynos-gsc: fix return code if mutex was interrupted
media: mt9v111: Fix build error with no VIDEO_V4L2_SUBDEV_API
media: xc4000: get rid of uneeded casts
media: drxj: get rid of uneeded casts
media: tuner-xc2028: don't use casts for printing sizes
media: cleanup fall-through comments
media: vivid: shut up warnings due to a non-trivial logic
media: rtl28xxu: be sure that it won't go past the array size
media: mt9v111: avoid going past the buffer
media: vsp1_dl: add a description for cmdpool field
media: sta2x11: add a missing parameter description
media: v4l2-mem2mem: add descriptions to MC fields
media: i2c: fix warning in Aptina MT9V111
media: imx: shut up a false positive warning
...
Lenovo Y520-15IKBM and Y720-15IKBM are another Lenovo models
without physical radio switch and ideapad-laptop reports it
is hard blocked. Add them into no_hw_rfkill to unlock wireless.
BugLink: https://bugs.launchpad.net/bugs/1723612
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add entry to WMI keymap for lid flip event on Asus UX360.
On Asus Zenbook ux360 flipping lid from/to tablet mode triggers
keyscan code 0xfa which cannot be handled and results in kernel
log message "Unknown key fa pressed".
Signed-off-by: Aleh Filipovich<aleh@appnexus.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Refactor function has_cap in order to avoid returning integer
values, when instead it should return booleans.
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: "Lee, Chun-Yi" <jlee@suse.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The struct containing the supported operations for all batteries is
being zeroed on each battery probe. This prevents all other batteries
except the lastly probed one from being configured.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Based on bug reports and a web search for
"Thinkpad_acpi: Error probing battery 2"
four more models were found that require the battery quirk:
Lenovo B5400, Thinkpad 11e, Thinkpad 11e gen 3, Thinkpad 13 gen 3.
Signed-off-by: Jouke Witteveen <j.witteveen@gmail.com>
Tested-by: James Cheshire <jermizzey@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add touchscreen info for the Cube KNote i1101 tablet.
Reported-and-tested-by: lkongl <lkongl@163.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The return value from platform_device_register_resndata() is not checked
correctly. The test is done against a wrong variable. This patch fix it.
Fixes: 0378123c58 ("platform/x86: mlx-platform: Add mlxreg-fan platform driver activation")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
- Revert two ACPICA commits that are not needed any more (Erik
Schmauss).
- Rework property graph support in the ACPI device properties
framework to make it behave more like the analogous DT code
and update the documentation of it (Sakari Ailus).
- Change the default ACPI device status after initialization
to ACPI_STA_DEFAULT instead of 0 (Hans de Goede).
- Add a special platform driver for enumerating multiple I2C devices
hooked up to the same object in the ACPI tables (Hans de Goede).
- Fix the ACPI battery driver to avoid reporting full capacity on
systems without support for that and clean it up (Hans de Goede,
Dmitry Rozhkov, Lucas Rangit Magasweran).
- Add two system wakeup quirks to the ACPI EC driver (Aaron Ma,
Mika Westerberg).
- Add the touchscreen on Dell Venue Pro 7139 to the list of "always
present" devices to make it work (Tristian Celestin).
- Revert a special tables handling quirk for Dell XPS 9570 and
Precision M5530 which is not needed any more (Kai Heng Feng).
- Add support for a new OEM _OSI string to allow system vendors to
work around issues with NVidia HDMI audio (Alex Hung).
- Prevent the ACPI button driver from reporting excessive system
wakeup events and clean it up (Ravi Chandra Sadineni, Randy Dunlap).
- Clean up two minor code style issues in the ACPI core and GHES
handling on ARM64 (Dongjiu Geng, John Garry, Tom Todd).
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Merge tag 'acpi-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These revert two ACPICA commits that are not needed any more, rework
the property graphs support in ACPI to be more aligned with the
analogous DT code, add some new quirks and remove one that isn't
needed any more, add a special platform driver to enumerate multiple
I2C devices hooked up to the same device object in the ACPI tables and
update the battery and button drivers.
Specifics:
- Revert two ACPICA commits that are not needed any more (Erik
Schmauss).
- Rework property graph support in the ACPI device properties
framework to make it behave more like the analogous DT code and
update the documentation of it (Sakari Ailus).
- Change the default ACPI device status after initialization to
ACPI_STA_DEFAULT instead of 0 (Hans de Goede).
- Add a special platform driver for enumerating multiple I2C devices
hooked up to the same object in the ACPI tables (Hans de Goede).
- Fix the ACPI battery driver to avoid reporting full capacity on
systems without support for that and clean it up (Hans de Goede,
Dmitry Rozhkov, Lucas Rangit Magasweran).
- Add two system wakeup quirks to the ACPI EC driver (Aaron Ma, Mika
Westerberg).
- Add the touchscreen on Dell Venue Pro 7139 to the list of "always
present" devices to make it work (Tristian Celestin).
- Revert a special tables handling quirk for Dell XPS 9570 and
Precision M5530 which is not needed any more (Kai Heng Feng).
- Add support for a new OEM _OSI string to allow system vendors to
work around issues with NVidia HDMI audio (Alex Hung).
- Prevent the ACPI button driver from reporting excessive system
wakeup events and clean it up (Ravi Chandra Sadineni, Randy
Dunlap).
- Clean up two minor code style issues in the ACPI core and GHES
handling on ARM64 (Dongjiu Geng, John Garry, Tom Todd)"
* tag 'acpi-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (34 commits)
platform/x86: Add ACPI i2c-multi-instantiate pseudo driver
ACPI / x86: utils: Remove status workaround from acpi_device_always_present()
ACPI / scan: Create platform device for fwnodes with multiple i2c devices
ACPI / scan: Initialize status to ACPI_STA_DEFAULT
ACPI / EC: Add another entry for Thinkpad X1 Carbon 6th
ACPI: bus: Fix a pointer coding style issue
arm64 / ACPI: clean the additional checks before calling ghes_notify_sea()
ACPI / scan: Add static attribute to indirect_io_hosts[]
ACPI / battery: Do not export energy_full[_design] on devices without full_charge_capacity
ACPI / EC: Use ec_no_wakeup on ThinkPad X1 Yoga 3rd
ACPI / battery: get rid of negations in conditions
ACPI / battery: use specialized print macros
ACPI / battery: reorder headers alphabetically
ACPI / battery: drop inclusion of init.h
ACPI: battery: remove redundant old_present check on insertion
ACPI: property: graph: Update graph documentation to use generic references
ACPI: property: graph: Improve graph documentation for port/ep numbering
ACPI: property: graph: Fix graph documentation
ACPI: property: Update documentation for hierarchical data extension 1.1
ACPI: property: Document key numbering for hierarchical data extension refs
...
An overview of the general architecture changes:
- Massive DMA ops refactoring from Christoph Hellwig (huzzah for
deleting crufty code!).
- We introduce NT_MIPS_DSP & NT_MIPS_FP_MODE ELF notes & corresponding
regsets to expose DSP ASE & floating point mode state respectively,
both for live debugging & core dumps.
- We better optimize our code by hard-coding cpu_has_* macros at
compile time where their values are known due to the ISA revision
that the kernel build is targeting.
- The EJTAG exception handler now better handles SMP systems, where it
was previously possible for CPUs to clobber a register value saved
by another CPU.
- Our implementation of memset() gained a couple of fixes for MIPSr6
systems to return correct values in some cases where stores fault.
- We now implement ioremap_wc() using the uncached-accelerated cache
coherency attribute where supported, which is detected during boot,
and fall back to plain uncached access where necessary. The
MIPS-specific (and unused in tree) ioremap_uncached_accelerated() &
ioremap_cacheable_cow() are removed.
- The prctl(PR_SET_FP_MODE, ...) syscall is better supported for SMP
systems by reworking the way we ensure remote CPUs that may be
running threads within the affected process switch mode.
- Systems using the MIPS Coherence Manager will now set the
MIPS_IC_SNOOPS_REMOTE flag to avoid some unnecessary cache
maintenance overhead when flushing the icache.
- A few fixes were made for building with clang/LLVM, which
now sucessfully builds kernels for many of our platforms.
- Miscellaneous cleanups all over.
And some platform-specific changes:
- ar7 gained stubs for a few clock API functions to fix build failures
for some drivers.
- ath79 gained support for a few new SoCs, a few fixes & better
gpio-keys support.
- Ci20 now exposes its SPI bus using the spi-gpio driver.
- The generic platform can now auto-detect a suitable value for
PHYS_OFFSET based upon the memory map described by the device tree,
allowing us to avoid wasting memory on page book-keeping for systems
where RAM starts at a non-zero physical address.
- Ingenic systems using the jz4740 platform code now link their
vmlinuz higher to allow for kernels of a realistic size.
- Loongson32 now builds the kernel targeting MIPSr1 rather than MIPSr2
to avoid CPU errata.
- Loongson64 gains a couple of fixes, a workaround for a write
buffering issue & support for the Loongson 3A R3.1 CPU.
- Malta now uses the piix4-poweroff driver to handle powering down.
- Microsemi Ocelot gained support for its SPI bus & NOR flash, its
second MDIO bus and can now be supported by a FIT/.itb image.
- Octeon saw a bunch of header cleanups which remove a lot of
duplicate or unused code.
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Merge tag 'mips_4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Paul Burton:
"Here are the main MIPS changes for 4.19.
An overview of the general architecture changes:
- Massive DMA ops refactoring from Christoph Hellwig (huzzah for
deleting crufty code!).
- We introduce NT_MIPS_DSP & NT_MIPS_FP_MODE ELF notes &
corresponding regsets to expose DSP ASE & floating point mode state
respectively, both for live debugging & core dumps.
- We better optimize our code by hard-coding cpu_has_* macros at
compile time where their values are known due to the ISA revision
that the kernel build is targeting.
- The EJTAG exception handler now better handles SMP systems, where
it was previously possible for CPUs to clobber a register value
saved by another CPU.
- Our implementation of memset() gained a couple of fixes for MIPSr6
systems to return correct values in some cases where stores fault.
- We now implement ioremap_wc() using the uncached-accelerated cache
coherency attribute where supported, which is detected during boot,
and fall back to plain uncached access where necessary. The
MIPS-specific (and unused in tree) ioremap_uncached_accelerated() &
ioremap_cacheable_cow() are removed.
- The prctl(PR_SET_FP_MODE, ...) syscall is better supported for SMP
systems by reworking the way we ensure remote CPUs that may be
running threads within the affected process switch mode.
- Systems using the MIPS Coherence Manager will now set the
MIPS_IC_SNOOPS_REMOTE flag to avoid some unnecessary cache
maintenance overhead when flushing the icache.
- A few fixes were made for building with clang/LLVM, which now
sucessfully builds kernels for many of our platforms.
- Miscellaneous cleanups all over.
And some platform-specific changes:
- ar7 gained stubs for a few clock API functions to fix build
failures for some drivers.
- ath79 gained support for a few new SoCs, a few fixes & better
gpio-keys support.
- Ci20 now exposes its SPI bus using the spi-gpio driver.
- The generic platform can now auto-detect a suitable value for
PHYS_OFFSET based upon the memory map described by the device tree,
allowing us to avoid wasting memory on page book-keeping for
systems where RAM starts at a non-zero physical address.
- Ingenic systems using the jz4740 platform code now link their
vmlinuz higher to allow for kernels of a realistic size.
- Loongson32 now builds the kernel targeting MIPSr1 rather than
MIPSr2 to avoid CPU errata.
- Loongson64 gains a couple of fixes, a workaround for a write
buffering issue & support for the Loongson 3A R3.1 CPU.
- Malta now uses the piix4-poweroff driver to handle powering down.
- Microsemi Ocelot gained support for its SPI bus & NOR flash, its
second MDIO bus and can now be supported by a FIT/.itb image.
- Octeon saw a bunch of header cleanups which remove a lot of
duplicate or unused code"
* tag 'mips_4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (123 commits)
MIPS: Remove remnants of UASM_ISA
MIPS: netlogic: xlr: Remove erroneous check in nlm_fmn_send()
MIPS: VDSO: Force link endianness
MIPS: Always specify -EB or -EL when using clang
MIPS: Use dins to simplify __write_64bit_c0_split()
MIPS: Use read-write output operand in __write_64bit_c0_split()
MIPS: Avoid using array as parameter to write_c0_kpgd()
MIPS: vdso: Allow clang's --target flag in VDSO cflags
MIPS: genvdso: Remove GOT checks
MIPS: Remove obsolete MIPS checks for DST node "chosen@0"
MIPS: generic: Remove input symbols from defconfig
MIPS: Delete unused code in linux32.c
MIPS: Remove unused sys_32_mmap2
MIPS: Remove nabi_no_regargs
mips: dts: mscc: enable spi and NOR flash support on ocelot PCB123
mips: dts: mscc: Add spi on Ocelot
MIPS: Loongson: Merge load addresses
MIPS: Loongson: Set Loongson32 to MIPS32R1
MIPS: mscc: ocelot: add interrupt controller properties to GPIO controller
MIPS: generic: Select MIPS_AUTO_PFN_OFFSET
...
On systems with ACPI instantiated i2c-clients, normally there is 1 fw_node
per i2c-device and that fw-node contains 1 I2cSerialBus resource for that 1
i2c-device.
But in some rare cases the manufacturer has decided to describe multiple
i2c-devices in a single ACPI fwnode with multiple I2cSerialBus resources.
An earlier attempt to fix this in the i2c-core resulted in a lot of extra
code to support this corner-case.
This commit introduces a new i2c-multi-instantiate driver which fixes this
in a different way. This new driver can be built as a module which will
only loaded on affected systems.
This driver will instantiate a new i2c-client per I2cSerialBus resource,
using the driver_data from the acpi_device_id it is binding to to tell it
which chip-type (and optional irq-resource) to use when instantiating.
Note this driver depends on a platform device being instantiated for the
ACPI fwnode, see the i2c_multi_instantiate_ids list of ACPI device-ids in
drivers/acpi/scan.c: acpi_device_enumeration_by_parent().
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
A couple of drivers produced build errors after the mod_devicetable.h
header was split out from the platform_device one, e.g.
drivers/media/platform/davinci/vpbe_osd.c:42:40: error: array type has incomplete element type 'struct platform_device_id'
drivers/media/platform/davinci/vpbe_venc.c:42:40: error: array type has incomplete element type 'struct platform_device_id'
This adds the inclusion where needed.
Fixes: ac3167257b ("headers: separate linux/mod_devicetable.h from linux/platform_device.h")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Change mlxreg-io platform driver configuration for MSN274x system types
from the default to MSN21xx.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Allow mlxreg-io platform driver activation for more system types, in
particular for MSN21xx, MSN201x types, which have reset causes bits
slightly different from the default configuration.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Add support for ASIC hotplug device events for the all system types. The
ASIC hotplug event is sent in cases ASIC reaches the good health state or
dropped to the bad health state. The health state is used to change, when
device is reset or in case of some system failures. In such cases hwmon
uevent notification will be sent.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Notify user when hotplug device signal is received in order to allow user
to handle such case, if it wishes to take some action on this matter.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Simplify the logic of ASIC health discovery.
ASIC device can indicate its health state as a good, booting or dormant.
During ASIC reset the device is dropped to dormant state and should get to
the stable good health state through the intermediate booting state.
The sequence for getting to the steady state health after reset is:
(dormant -> booting -> good)+.
Initial implementation assumes that ?good? within this sequence is always
repeated twice and device is getting steady state only after the second
?good?. This patch removes this dependency, since the second ?good? is
received because of the noise on line and can be ignored. Device reaches
steady state after the first ?good? is received.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Add mlxreg-fan platform driver activation. FAN driver uses the same regmap
infrastructure as others Mellanox platform drivers. Specific registers
description for default FAN platform data configuration are added to
mlx-platform. There are the registers for tachometers reading, PWM
control and FAN ownership control. The last one has a default value,
which is set at initialization time through the regmap infrastructure,
which is necessary for moving FAN control ownership from hardware to
software.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Fix return code check for "max brightness" ACPI call.
The Dell laptop ACPI video brightness control is not present on dell
laptops anymore, but was present in older kernel versions.
The code that checks the return value is incorrect since the SMM
refactoring.
The old code was:
if (buffer->output[0] == 0)
Which was changed to:
ret = dell_send_request(...)
if (ret)
However, dell_send_request() will return 0 if buffer->output[0] == 0,
so we must change the check to:
if (ret == 0)
This issue was found on a Dell M4800 laptop, and the fix tested on it
as well.
Fixes: 549b4930f0 ("dell-smbios: Introduce dispatcher for SMM calls")
Signed-off-by: Damien Thébault <damien@dtbo.net>
Tested-by: Damien Thébault <damien@dtbo.net>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Immutable Branch which moves the cros_ec_i2c and cros_ec_spi
transport drivers from mfd to platform/chrome. Changes in arm are a simple
rename in defconfigs. Change in input is a rename in help text.
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Merge branches 'ib-mfd-4.19', 'ib-mfd-gpio-pinctrl-4.19', 'ib-mfd-i915-media-platform-4.19' and 'ib-mfd-regulator-4.19', tag 'ib-platform-chrome-mfd-move-cros-ec-transport-for-4.19' into ibs-for-mfd-merged
Immutable branch (mfd, chrome) due for the v4.19 window
Immutable Branch which moves the cros_ec_i2c and cros_ec_spi
transport drivers from mfd to platform/chrome. Changes in arm are a simple
rename in defconfigs. Change in input is a rename in help text.
When a hotplug driver calls pci_hp_register(), all steps necessary for
registration are carried out in one go, including creation of a kobject
and addition to sysfs. That's a problem for pciehp once it's converted
to enable/disable the slot exclusively from the IRQ thread: The thread
needs to be spawned after creation of the kobject (because it uses the
kobject's name), but before addition to sysfs (because it will handle
enable/disable requests submitted via sysfs).
pci_hp_deregister() does offer a ->release callback that's invoked
after deletion from sysfs and before destruction of the kobject. But
because pci_hp_register() doesn't offer a counterpart, hotplug drivers'
->probe and ->remove code becomes asymmetric, which is error prone
as recently discovered use-after-free bugs in pciehp's ->remove hook
have shown.
In a sense, this appears to be a case of the midlayer antipattern:
"The core thesis of the "midlayer mistake" is that midlayers are
bad and should not exist. That common functionality which it is
so tempting to put in a midlayer should instead be provided as
library routines which can [be] used, augmented, or ignored by
each bottom level driver independently. Thus every subsystem
that supports multiple implementations (or drivers) should
provide a very thin top layer which calls directly into the
bottom layer drivers, and a rich library of support code that
eases the implementation of those drivers. This library is
available to, but not forced upon, those drivers."
-- Neil Brown (2009), https://lwn.net/Articles/336262/
The presence of midlayer traits in the PCI hotplug core might be ascribed
to its age: When it was introduced in February 2002, the blessings of a
library approach might not have been well known:
https://git.kernel.org/tglx/history/c/a8a2069f432c
For comparison, the driver core does offer split functions for creating
a kobject (device_initialize()) and addition to sysfs (device_add()) as
an alternative to carrying out everything at once (device_register()).
This was introduced in October 2002:
https://git.kernel.org/tglx/history/c/8b290eb19962
The odd ->release callback in the PCI hotplug core was added in 2003:
https://git.kernel.org/tglx/history/c/69f8d663b595
Clearly, a library approach would not force every hotplug driver to
implement a ->release callback, but rather allow the driver to remove
the sysfs files, release its data structures and finally destroy the
kobject. Alternatively, a driver may choose to remove everything with
pci_hp_deregister(), then release its data structures.
To this end, offer drivers pci_hp_initialize() and pci_hp_add() as a
split-up version of pci_hp_register(). Likewise, offer pci_hp_del()
and pci_hp_destroy() as a split-up version of pci_hp_deregister().
Eliminate the ->release callback and move its code into each driver's
teardown routine.
Declare pci_hp_deregister() void, in keeping with the usual kernel
pattern that enablement can fail, but disablement cannot. It only
returned an error if the caller passed in a NULL pointer or a slot which
has never or is no longer registered or is sharing its name with another
slot. Those would be bugs, so WARN about them. Few hotplug drivers
actually checked the return value and those that did only printed a
useless error message to dmesg. Remove that.
For most drivers the conversion was straightforward since it doesn't
matter whether the code in the ->release callback is executed before or
after destruction of the kobject. But in the case of ibmphp, it was
unclear to me whether setting slot_cur->ctrl and slot_cur->bus_on to
NULL needs to happen before the kobject is destroyed, so I erred on
the side of caution and ensured that the order stays the same. Another
nontrivial case is pnv_php, I've found the list and kref logic difficult
to understand, however my impression was that it is safe to delete the
list element and drop the references until after the kobject is
destroyed.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> # drivers/platform/x86
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Len Brown <lenb@kernel.org>
Cc: Scott Murray <scott@spiteful.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Gavin Shan <gwshan@linux.vnet.ibm.com>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: Corentin Chary <corentin.chary@gmail.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Andy Shevchenko <andy@infradead.org>
Fix a build warning in toshiba_acpi.c when CONFIG_PROC_FS is not enabled
by marking the unused function as __maybe_unused.
../drivers/platform/x86/toshiba_acpi.c:1685:12: warning: 'version_proc_show' defined but not used [-Wunused-function]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Azael Avalos <coproscefalo@gmail.com>
Cc: platform-driver-x86@vger.kernel.org
Cc: Andy Shevchenko <andy@infradead.org>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
The cost is the the same and this removes the need
to worry about complications that come from de_thread
and group_leader changing.
__task_pid_nr_ns has been updated to take advantage of this change.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Fix return code check for "max brightness" ACPI call.
The Dell laptop ACPI video brightness control is not present on dell
laptops anymore, but was present in older kernel versions.
The code that checks the return value is incorrect since the SMM
refactoring.
The old code was:
if (buffer->output[0] == 0)
Which was changed to:
ret = dell_send_request(...)
if (ret)
However, dell_send_request() will return 0 if buffer->output[0] == 0,
so we must change the check to:
if (ret == 0)
This issue was found on a Dell M4800 laptop, and the fix tested on it
as well.
Fixes: 549b4930f0 ("dell-smbios: Introduce dispatcher for SMM calls")
Signed-off-by: Damien Thébault <damien@dtbo.net>
Tested-by: Damien Thébault <damien@dtbo.net>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Some Thinkpads have a single battery, but expose it as BAT1. Use the quirks
engine to force these machines into always addressing the primary battery.
Without this, the battery name would resolve to the non-existent secondary
battery and ACPI calls would fail.
Signed-off-by: Jouke Witteveen <j.witteveen@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Modern Thinkpads have three character model designators. Previously, they
would be accepted, but recorded incompletely. Revision matching extracted
the wrong bytes from the ID string. This made the use of quirks for modern
machines impossible.
Fixes: 1b0eb5bc24
Signed-off-by: Jouke Witteveen <j.witteveen@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Variables slope and offset are being assigned but are never used hence
they are redundant and can be removed.
Cleans up clang warnings:
warning: variable 'slope' set but not used [-Wunused-but-set-variable]
warning: variable 'offset' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
As already done treewide, switch from open-coded multiplication to using
2-factor allocation helpers.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Having a 16 byte mkbp event size makes it possible to send CEC
messages from the EC to the AP directly inside the mkbp event
instead of first doing a notification and then a read.
Signed-off-by: Stefan Adolfsson <sadolfsson@chromium.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
A couple of drivers produced build errors after the mod_devicetable.h
header was split out from the platform_device one, e.g.
drivers/media/platform/davinci/vpbe_osd.c:42:40: error: array type has incomplete element type 'struct platform_device_id'
drivers/media/platform/davinci/vpbe_venc.c:42:40: error: array type has incomplete element type 'struct platform_device_id'
This adds the inclusion where needed.
Fixes: ac3167257b ("headers: separate linux/mod_devicetable.h from linux/platform_device.h")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Immutable Branch which moves the cros_ec_i2c and cros_ec_spi
transport drivers from mfd to platform/chrome. Changes in arm are a simple
rename in defconfigs. Change in input is a rename in help text.
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Merge tag 'ib-platform-chrome-mfd-move-cros-ec-transport-for-4.19' into working-branch-for-4.19
Immutable branch (mfd, chrome) due for the v4.19 window
Immutable Branch which moves the cros_ec_i2c and cros_ec_spi
transport drivers from mfd to platform/chrome. Changes in arm are a simple
rename in defconfigs. Change in input is a rename in help text.
At over 4000 #includes, <linux/platform_device.h> is the 9th most
#included header file in the Linux kernel. It does not need
<linux/mod_devicetable.h>, so drop that header and explicitly add
<linux/mod_devicetable.h> to source files that need it.
4146 #include <linux/platform_device.h>
After this patch, there are 225 files that use <linux/mod_devicetable.h>,
for a reduction of around 3900 times that <linux/mod_devicetable.h>
does not have to be read & parsed.
225 #include <linux/mod_devicetable.h>
This patch was build-tested on 20 different arch-es.
It also makes these drivers SubmitChecklist#1 compliant.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kbuild test robot <lkp@intel.com> # drivers/media/platform/vimc/
Reported-by: kbuild test robot <lkp@intel.com> # drivers/pinctrl/pinctrl-u300.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are some cros-ec transport drivers (I2C, SPI) living in MFD, while
others (LPC) living in drivers/platform. The transport drivers are more
platform specific. So, move the I2C and SPI transport drivers to the
platform/chrome directory. The patch also removes the MFD_ prefix of
their Kconfig symbols.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Tasklet goldfish_interrupt_tasklet is local to the source and
does not need to be in global scope, so make it static.
Cleans up sparse warning:
symbol 'goldfish_interrupt_tasklet' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
'ret' will not be initialized if acpi_evaluate_integer() returns through
an error path, so it should not be used in this case. This fixes the
following Smatch static analyser error:
drivers/platform/x86/asus-wireless.c:76 asus_wireless_method() error:
uninitialized symbol 'ret'.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit makes use of a newly implemented RFKill LED trigger to
trigger the LED when all radios are blocked.
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The function dell_smbios_wmi_call is local to the source and does not
need to be in global scope, so make it static.
Cleans up sparse warning:
symbol 'dell_smbios_wmi_call' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The Dell laptop I have has an ACPI that sends 0xCB and 0xCC on entering
tablet mode. On exiting tablet mode it sends 0xCA and 0xCD. Based on:
http://www.traby.de/medion/DSDT/dsdt.dslhttps://gist.github.com/jprvita/5737de3cbb670e80973b7d4e51c38ab6https://osdn.net/projects/android-x86/scm/git/kernel/commits/
7cbe5a330687b851f32dd9f1048a6ce182d0ff44
It appears that 0xCA and 0xCB are about dock mode, which for my
convertible laptop seems questionably tied to whether I've put
the laptop in tablet or laptop mode. I previously proposed no-oping
0xCA and 0xCB but this revised change attempts to add support for
detecting dock mode--this detection will essentially be broken for
my laptop (the main workaround would be for 0xCA and 0xCB to be used
to provoke a query of the VGBS method that reports the current dock &
tablet mode [which is accurately reported on my laptop but based on
the prior workarounds in the driver it apparently can't be trusted
for all systems]).
Signed-off-by: Matt Delco <delco@chromium.org>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Andy Shevchenko <andy@infradead.org>
Cc: platform-driver-x86@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
In some of the recent platforms, it is possible that stand alone methods
for HEBC() or other methods used in this driver may not exist. In this
case intel-hid driver will fail to load and power button will not be
functional.
It is also possible that some quirks in this driver added for some
platforms may have same issue in loading intel-hid driver.
There is an update to the ACPI details for the HID event filter driver.
In the updated specification a _DSM is added, which has separate function
indexes for each of the previous stand alone methods.
This change brings in support for the _DSM and allows usage of function
index for corresponding stand alone methods.
Details of Device Specific Method:
Intel HID Event Filter Driver _DSM UUID:
eeec56b3-4442-408f-a792-4edd4d758054
• Function index 0: Returns a buffer with a bit-field representing the
supported function IDs.
Function Index ASL Object
--------------------------------
1 BTNL
2 HDMM
3 HDSM
4 HDEM
5 BTNS
6 BTNE
7 HEBC
8 VGBS
9 HEBC
One significant change is to query the supported methods implemented on
the platform. So the previous HEBC() has two variants. HEBC v1 and
HEBC v2. The v2 version allowed further define which of the 5-button
are actually defined by the platform. HEBC v2 support is only available
via new DSM.
v1 Button details:
Bits [0] - Rotation Lock, Num Lock, Home, End, Page Up,
Page Down
Bits [1] - Wireless Radio Control
Bits [2] - System Power Down
Bits [3] - System Hibernate
Bits [4] - System Sleep/ System Wake
Bits [5] - Scan Next Track
Bits [6] - Scan Previous Track
Bits [7] - Stop
Bits [8] - Play/Pause
Bits [9] - Mute
Bits [10] - Volume Increment
Bits [11] - Volume Decrement
Bits [12] - Display Brightness Increment
Bits [13] - Display Brightness Decrement
Bits [14] - Lock Tablet
Bits [15] - Release Tablet
Bits [16] - Toggle Bezel
Bits [17] - 5 button array
Bits [18-31] - reserved
v2 Buttom details:
Bits [0-16] - Same as v1 version
Bits [17] - 5 button array
Bits [18] – Power Button
Bits [19] - W Home Button
Bits [20] - Volume Up Button
Bits [21] - Volume Down Button
Bits [22] – Rotation Lock Button
Bits [23-31] – reserved
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Tested-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add touchscreen platform data for the Onda V820w tablet.
Signed-off-by: Jun Bo Bi <jambonmcyeah@gmail.com>
[andy: fixed compilation error, massaged commit message]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add touchscreen info for the "Connect Tablet 9" tablet. This appears to be
a variant of the same hardware as the ITworks TW891 tablet, but it needs
different firmware for the touchscreen to fonction properly.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add touchscreen info for hardware revision "v3" of the ONDA V891W Dual
OS tablet.
Reported-and-tested-by: youling257 <youling257@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Some ASUS laptops like UX550GE has hotkey (Fn+F7) for keyboard
backlight toggle which would emit the scan code 0xc7 each keypress.
On the UX550GE, the max keyboard brightness level is 3 so the
toggle would not be simply on/off the led but need to be cyclic.
Per ASUS spec, it should increment the brightness for each keypress,
then toggle(off) the LED when it already reached the max level.
Signed-off-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Make asus-wmi notify on hotkey kbd brightness changes, listen for
brightness events and update the brightness directly in the driver.
Create new do_kbd_led_set function for in-driver update, and leave
kbd_led_set for original led_classdev call path.
Update the brightness by led_classdev_notify_brightness_hw_changed.
This will allow userspace to monitor (poll) for brightness changes
on the LED without reporting via input keymapping.
Signed-off-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Adds debugfs access to registers in the Cannon Point PCH PMC that are
useful for debugging #SLP_S0 signal assertion and other low power relate
activities. Device pm states are latched in these registers whenever the
package enters C10 and can be read from slp_s0_debug_status. The pm
states may also be latched by writing 1 to slp_s0_dbg_latch which will
immediately capture the current state on the next read of
slp_s0_debug_status.
Signed-off-by: Box, David E <david.e.box@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Not only silead touchscreens need some extra info not available in the
ACPI tables to work properly. X86 devices with a Chipone ICN8505 chip also
need some DMI based extra configuration.
There is no reason to have separate dmi config code per touchscreen
controller vendor. This commit renames silead_dmi to a more generic
touchscreen_dmi name (and Kconfig option) in preparation of adding
info for tablets with an ICN8505 based touchscreen.
Note there are no functional changes all code changes are limited to
removing references to silead where these are no longer applicable.
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add touchscreen info for the 10" Chuwi Vi10 (CWI505) tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
We have so much entries now that it is good to bring some form of order
to them. This should also reduce conflicts when multiple patches make
changes at the same time (compared to tagging all new entries at the end).
Note this commit purely moves stuff around and adds 2 comments about
keeping the data and table alphabetically sorted. There are no functional
changes.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Prefix the entries for trekstor tablets with trekstor_ and drop the
detailed model version (still available as comment in the dmi table)
to keep things within 80 chars.
This is a preparation patch for sorting all the entries alphabetically.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The function dell_smbios_smm_call and pointer platform_device are
local to the source and do not need to be in global scope, so make
them static.
Cleans up sparse warnings:
warning: symbol 'platform_device' was not declared. Should it be static?
warning: symbol 'dell_smbios_smm_call' was not declared. Should it be
static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
The commit 5d9f40b566 ("platform/x86: ideapad-laptop: Add
Y520-15IKBN to no_hw_rfkill") added the entry for Y20-15IKBN, and it
turned out that another variant, Y20-15IKBM, also requires the
no_hw_rfkill.
Trim the last letter from the string so that it matches to both
Y20-15IKBN and Y20-15IKBM models.
Bugzilla: https://bugzilla.opensuse.org/show_bug.cgi?id=1098626
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Some Dell servers can use dell-smbios but they don't support the
token interface. Make it optional.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
The P52 has a keyboard which features a calculator key above the numpad.
Add support for this the calculator key (0x1313).
Signed-off-by: Benjamin Berg <bberg@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Second generation keyboard backlight (type 2) laptops can switch
on the keyboard LED on their own via hardware/firmware, but the
LED subsystem is unaware of such change since the LED interface
was only being created on first generation keyboard backlight
(type 1) laptops.
This patch creates the LED interface for second gen keyboards
and calls the *_hw_changed API whenever userspace changes the
state of the keyboard backlight LED.
While we are at it, remove an unneeded asignment to the acpi_dev
struct under *_kbd_bl_work, and also update the kbd_event_generated
variable in the main toshiba struct instead of the global struct.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
[dvhart: correct int* and int compare with dev->kbd_mode]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
The probe handler_data was being allocated with __get_free_pages()
for no reason I could find. The error path was using kfree(). Since
other things are happily using kmalloc() in the probe path, switch to
kmalloc() entirely. This fixes the error path mismatch and will avoid
issues with CONFIG_HARDENED_USERCOPY_PAGESPAN=y.
Reported-by: Mihai Donțu <mihai.dontu@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Mario Limonciello <Mario.limonciello@dell.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Add mlxreg-io platform driver activation. Access driver uses the same
regmap infrastructure as others Mellanox platform drivers.
Specific registers description for default platform data configuration are
added to mlx-platform. There are the registers for resets control, reset
causes monitoring, programmable devices version reading and mux select
control. This platform data is passed to mlxreg-io driver. Also some
default values for the register are set at initialization time through
the regmap infrastructure, which are necessary for moving write protection
from the general purpose registers, which are used by mlxreg-io for
write access.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
v4-v5:
Changes added by Vadim:
- Add two new attributes for ASIC health and main power domain shutdown.
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Introduce new Mellanox platform driver to allow access to Mellanox
programmable device register space trough sysfs interface.
The driver purpose is to provide sysfs interface for user space for the
registers essential for system control and monitoring.
The sets of registers for sysfs access are supposed to be defined per
system type bases and include the registers related to system resets
operation, system reset causes monitoring and some kinds of mux selection.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
[dvhart: Kconfig typo fixes spotted by Randy Dunlap]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Original submission was GPLv2 only, so mark as GPL-2.0.
Also restored some descriptive lines that were there before.
Signed-off-by: Benson Leung <bleung@chromium.org>
As files move around, their previous links break. Fix the
references for them.
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Several incremental improvements including new keycodes, new models, new
quirks, and related documentation. Adds LED platform driver activation
for Mellanox systems. Some minor optimizations and cleanups. Includes
several bug fixes, message silencing, mostly minor.
The following commits were previously merged during the 4.17 RC cycle:
- 06b8b00b33 platform/x86: asus-wireless: Fix NULL pointer dereference
- 6ed66c3ce0 platform/x86: Kconfig: Fix dell-laptop dependency chain.
- 74783c99bf platform/x86: DELL_WMI use depends on instead of select for DELL_SMBIOS
- cf48bf9eee platform/x86: asus-wmi: Fix NULL pointer dereference
The following is an automated git shortlog grouped by driver:
acer-wmi:
- add another KEY_POWER keycode
apple-gmux:
- fix gmux_get_client_id()'s return type
asus-laptop:
- Simplify getting .drvdata
asus-wireless:
- Fix format specifier
dell-laptop:
- Fix keyboard backlight timeout on XPS 13 9370
dell-smbios:
- Match on www.dell.com in OEM strings too
dell-wmi:
- Ignore new rfkill and fn-lock events
- Set correct keycode for Fn + left arrow
fujitsu-laptop:
- Simplify soft key handling
ideapad-laptop:
- Add E42-80 to no_hw_rfkill
- Add fn-lock setting
- Add MIIX 720-12IKB to no_hw_rfkill
lib/string_helpers:
- Add missed declaration of struct task_struct
intel_scu_ipc:
- Replace mdelay with usleep_range in intel_scu_ipc_i2c_cntrl
mlx-platform:
- Add LED platform driver activation
platform/mellanox:
- Add new ODM system types to mlx-platform
- mlxreg-hotplug: add extra cycle for hotplug work queue
- mlxreg-hotplug: Document fixes for hotplug private data
platform_data/mlxreg:
- Document fixes for hotplug device
silead_dmi:
- Add entry for Chuwi Hi8 tablet touchscreen
- Add touchscreen info for the Onda V891w tablet
- Add info for the PoV mobii TAB-P800W (v2.0)
- Add touchscreen info for the Jumper EZpad 6 Pro
thinkpad_acpi:
- silence false-positive-prone pr_warn
- do not report thermal sensor state for tablet mode switch
- silence HKEY 0x6032, 0x60f0, 0x6030
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Merge tag 'platform-drivers-x86-v4.18-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Several incremental improvements including new keycodes, new models,
new quirks, and related documentation. Adds LED platform driver
activation for Mellanox systems. Some minor optimizations and
cleanups. Includes several bug fixes, message silencing, mostly minor
Automated summary:
acer-wmi:
- add another KEY_POWER keycode
apple-gmux:
- fix gmux_get_client_id()'s return type
asus-laptop:
- Simplify getting .drvdata
asus-wireless:
- Fix format specifier
dell-laptop:
- Fix keyboard backlight timeout on XPS 13 9370
dell-smbios:
- Match on www.dell.com in OEM strings too
dell-wmi:
- Ignore new rfkill and fn-lock events
- Set correct keycode for Fn + left arrow
fujitsu-laptop:
- Simplify soft key handling
ideapad-laptop:
- Add E42-80 to no_hw_rfkill
- Add fn-lock setting
- Add MIIX 720-12IKB to no_hw_rfkill
lib/string_helpers:
- Add missed declaration of struct task_struct
intel_scu_ipc:
- Replace mdelay with usleep_range in intel_scu_ipc_i2c_cntrl
mlx-platform:
- Add LED platform driver activation
platform/mellanox:
- Add new ODM system types to mlx-platform
- mlxreg-hotplug: add extra cycle for hotplug work queue
- mlxreg-hotplug: Document fixes for hotplug private data
platform_data/mlxreg:
- Document fixes for hotplug device
silead_dmi:
- Add entry for Chuwi Hi8 tablet touchscreen
- Add touchscreen info for the Onda V891w tablet
- Add info for the PoV mobii TAB-P800W (v2.0)
- Add touchscreen info for the Jumper EZpad 6 Pro
thinkpad_acpi:
- silence false-positive-prone pr_warn
- do not report thermal sensor state for tablet mode switch
- silence HKEY 0x6032, 0x60f0, 0x6030"
* tag 'platform-drivers-x86-v4.18-1' of git://git.infradead.org/linux-platform-drivers-x86: (30 commits)
platform/x86: silead_dmi: Add entry for Chuwi Hi8 tablet touchscreen
platform/x86: dell-laptop: Fix keyboard backlight timeout on XPS 13 9370
platform/x86: dell-wmi: Ignore new rfkill and fn-lock events
platform/x86: mlx-platform: Add LED platform driver activation
platform/mellanox: Add new ODM system types to mlx-platform
platform/mellanox: mlxreg-hotplug: add extra cycle for hotplug work queue
platform/x86: ideapad-laptop: Add E42-80 to no_hw_rfkill
platform/x86: silead_dmi: Add touchscreen info for the Onda V891w tablet
platform/x86: silead_dmi: Add info for the PoV mobii TAB-P800W (v2.0)
platform/x86: silead_dmi: Add touchscreen info for the Jumper EZpad 6 Pro
platform/x86: asus-wireless: Fix format specifier
platform/x86: asus-wmi: Fix NULL pointer dereference
platform/x86: dell-wmi: Set correct keycode for Fn + left arrow
platform/x86: acer-wmi: add another KEY_POWER keycode
platform/x86: ideapad-laptop: Add fn-lock setting
platform/x86: ideapad-laptop: Add MIIX 720-12IKB to no_hw_rfkill
lib/string_helpers: Add missed declaration of struct task_struct
platform/x86: DELL_WMI use depends on instead of select for DELL_SMBIOS
platform/mellanox: mlxreg-hotplug: Document fixes for hotplug private data
platform_data/mlxreg: Document fixes for hotplug device
...
Here is the big USB pull request for 4.18-rc1.
Lots of stuff here, the highlights are:
- phy driver updates and new additions
- usual set of xhci driver updates
- normal set of musb updates
- gadget driver updates and new controllers
- typec work, it's getting closer to getting fully out of the
staging portion of the tree.
- lots of minor cleanups and bugfixes.
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-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB and PHY updates from Greg KH:
"Here is the big USB pull request for 4.18-rc1.
Lots of stuff here, the highlights are:
- phy driver updates and new additions
- usual set of xhci driver updates
- normal set of musb updates
- gadget driver updates and new controllers
- typec work, it's getting closer to getting fully out of the staging
portion of the tree.
- lots of minor cleanups and bugfixes.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (263 commits)
Revert "xhci: Reset Renesas uPD72020x USB controller for 32-bit DMA issue"
xhci: Add quirk to zero 64bit registers on Renesas PCIe controllers
xhci: Allow more than 32 quirks
usb: xhci: force all memory allocations to node
selftests: add test for USB over IP driver
USB: typec: fsusb302: no need to check return value of debugfs_create_dir()
USB: gadget: udc: s3c2410_udc: no need to check return value of debugfs_create functions
USB: gadget: udc: renesas_usb3: no need to check return value of debugfs_create functions
USB: gadget: udc: pxa27x_udc: no need to check return value of debugfs_create functions
USB: gadget: udc: gr_udc: no need to check return value of debugfs_create functions
USB: gadget: udc: bcm63xx_udc: no need to check return value of debugfs_create functions
USB: udc: atmel_usba_udc: no need to check return value of debugfs_create functions
USB: dwc3: no need to check return value of debugfs_create functions
USB: dwc2: no need to check return value of debugfs_create functions
USB: core: no need to check return value of debugfs_create functions
USB: chipidea: no need to check return value of debugfs_create functions
USB: ehci-hcd: no need to check return value of debugfs_create functions
USB: fhci-hcd: no need to check return value of debugfs_create functions
USB: fotg210-hcd: no need to check return value of debugfs_create functions
USB: imx21-hcd: no need to check return value of debugfs_create functions
...
Further changes from Dmitry related to the removal of platform data from
atmel_mxt_ts and chromeos_laptop. This time, we have some changes that
teach chromeos_laptop how to supply acpi properties for some input devices
so that the peripheral driver doesn't have to do dmi matching on some
Chromebook platforms.
Also adds the Chromebook Tablet switch driver, which is useful for x86
convertible Chromebooks.
Other misc. cleanup.
Thanks,
Benson
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Merge tag 'chrome-platform-for-linus-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome platform updates from Benson Leung:
- further changes from Dmitry related to the removal of platform data
from atmel_mxt_ts and chromeos_laptop.
This time, we have some changes that teach chromeos_laptop how to
supply acpi properties for some input devices so that the peripheral
driver doesn't have to do dmi matching on some Chromebook platforms.
- new Chromebook Tablet switch driver, which is useful for x86
convertible Chromebooks.
- other misc cleanup
* tag 'chrome-platform-for-linus-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
platform/chrome: Use to_cros_ec_dev more broadly
platform/chrome: chromeos_laptop: fix touchpad button mapping on Celes
platform: chrome: Add input dependency for tablet switch driver
platform/chrome: chromeos_laptop - supply properties for ACPI devices
platform/chrome: chromeos_tbmc - add SPDX identifier
platform: chrome: Add Tablet Switch ACPI driver
platform/chrome: cros_ec_lpc: do not try DMI match when ACPI device found
The XPS 13 9370 doesn't expose the necessary KBD_LED_AC_TOKEN in
the BIOS, so the driver thinks it cannot adjust the AC keyboard
backlight timeout. This patch adds a quirk to fix this until
Dell adds the missing token to the BIOS.
For further discussion, see:
https://github.com/dell/libsmbios/issues/48
Signed-off-by: Timur Kristóf <venemo@fedoraproject.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
There are two new events generated by dell-wmi, rfkill and fn-lock, from
Dell Systems.
When Fn-lock hotkey gets pressed to switch to function mode:
[85951.591542] dell_wmi: Unknown key with type 0x0010 and code 0xe035
pressed
[85951.591546] dell_wmi: Unknown key with type 0x0010 and code 0x0000
pressed
When Fn-lock hotkey gets pressed to switch to multimedia mode:
[85956.667686] dell_wmi: Unknown key with type 0x0010 and code 0xe035
pressed
[85956.667690] dell_wmi: Unknown key with type 0x0010 and code 0x0001
pressed
When radio hotkey gets pressed:
[85974.430220] dell_wmi: Unknown key with type 0x0010 and code 0xe008
pressed
These events are for notification purpose, so we can ignore them.
This patch is tested on XPS 9370.
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add LED platform driver activation from mlx-platform. This LED driver uses
the same regmap infrastructure as others Mellanox platform drivers, so LED
specific registers description is added.
System LED configuration depends on system type. To support all the
relevant types per system type LED descriptions are defined for passing
to LED platform driver.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Add new ODM system types, matched according to DMI_BOARD_NAME. The
supported ODM Ids are: VMOD0001, VMOD0002, VMOD0003, VMOD0004, VMOD0005.
Patch does not introduce new systems, but allows to ODM companies to set
DMI_BOARD_VENDOR and DMI_PRODUCT_NAME on their own. It assumes that ODM
company can't change DMI_BOARD_NAME.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Add extra cycle for hotplug work queue to handle the case when a signal is
It adds missed logic for signal acknowledge, by adding an extra run for
received, but no specific signal assertion is detected. Such case
theoretically can happen for example in case several units are removed or
inserted at the same time. In this situation acknowledge for some signal
can be missed at signal top aggreagation status level. The extra run will
allow to handler to acknowledge the missed signal.
The interrupt handling flow performs the next steps:
(1)
Enter mlxreg_hotplug_work_handler due to signal assertion.
Aggregation status register is changed for example from 0xff to 0xfd
(event signal group related to bit 1).
(2)
Mask aggregation interrupts, read aggregation status register and save it
(0xfd) in aggr_cache, then traverse down to handle signal from groups
related to the changed bit.
(3)
Read and mask group related signal.
Acknowledge and unmask group related signal (acknowledge should clear
aggregation status register from 0xfd back to 0xff).
(4)
Re-schedule work queue for the immediate execution.
(5)
Enter mlxreg_hotplug_work_handler due to re-scheduling.
Aggregation status is changed from previous 0xfd to 0xff.
Go over steps (2) - (5) and in case no new signal assertion
is detected - unmask aggregation interrupts.
The possible race could happen in case new signal from the same group is
asserted after step (3) and prior step (5). In such case aggregation
status will change back from 0xff to 0xfd and the value read from the
aggregation status register will be the same as a value saved in
aggr_cache. As a result the handler will not traverse down and signal
will stay unhandled.
Example of faulty flow:
The signal routing flow is as following (f.e. for of FANi removing):
- FAN status and event registers related bit is changed;
-- intermediate aggregation status register is changed;
--- top aggregation status register is changed;
---- interrupt routed to CPU and interrupt handler is invoked.
When interrupt handler is invoked it follows the next simple logic (f.e
FAN3 is removed):
(a1) mask top aggregation interrupt mask register;
(a2) read top aggregation interrupt status register and test to which
underling group belongs a signal (FANs in this case and is changed
from 0xff to 0xfb and 0xfb is saved as a last status value);
(b1) mask FANs interrupt mask register;
(b2) read FANs status register and test which FAN has been changed
FAN3 in this example);
(c1) perform relevant action;
<--------------- (FAN2 is removed at this point)
(b3) clear FANs interrupt event register to acknowledge FAN3 signal;
(b4) unmask FANs interrupt mask register
(a3) unmask top aggregation interrupt mask register;
An interrupt handler is invoked, since FAN2 interrupt is not acknowledge.
It should set top aggregation interrupt status register bit 6 (0xfb).
In step (a2)
(a2) read top aggregation interrupt and comparing it with saved value
does not show change (same 0xfb) and after (a2) execution jumps to
(a3) and signal leaved unhandled
The fix will enforce handler to traverse down in case the signal is
received, but signal assertion is not detected.
Fixes: 304887041d ("platform/x86: Introduce support for Mellanox hotplug driver")
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Lenovo Zhaoyang E42-80 is another Lenovo model without a hw rfkill switch,
resulting in wifi always reported as hard blocked.
Add the model to the list of models without rfkill switch.
Signed-off-by: dylanchu <chdy.uuid@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add touchscreen info for the Onda V891w 8.9" windows tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit adds the necessary device-properties to make the touchscreen
on Point of View mobii TAB-P800W (v2.0) tablets work.
Note that we already have an entry for the Point of View mobii
TAB-P800W (v2.1), that version uses a different digitizer and different
firmware, so the v2.0 version needs its own entry.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add touchscreen info for the Jumper EZpad 6 Pro.
Cc: zy <574249312@qq.com>
Reported-and-tested-by: zy <574249312@qq.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fix NULL pointer dereference in asus-wmi on rfkill cleanup.
The following is an automated git shortlog grouped by driver:
asus-wmi:
- Fix NULL pointer dereference
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Merge tag 'platform-drivers-x86-v4.17-4' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fix from Andy Shevchenko:
"Fix NULL pointer dereference in asus-wmi on rfkill cleanup.
The effective change is just one new condition - two lines of code.
But it required moving one static helper function, which is why the
diff looks a bit bigger"
* tag 'platform-drivers-x86-v4.17-4' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: asus-wmi: Fix NULL pointer dereference
u64 should be printed with %llx instead of %x and cast to uint.
Signed-off-by: João Paulo Rechi Vita <jprvita@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Move to_cros_ec_dev macro to cros_ec.h and use it when the private ec
object is needed from device object.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Celes has newer touch controller (compared to the controllers used in
older BayTrail-based devices) and so uses the same button mapping as
Samus.
This fixes the issue with mouse button being stuck in pressed state
after the first click.
Reported-by: Sultan Alsawaf <sultanxda@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
We should stop our worker thread while we're suspended. If we don't
then we'll get messages like:
cros-ec-spi spi5.0: spi transfer failed: -108
cros-ec-spi spi5.0: cs-deassert spi transfer failed: -108
cros-ec-ctl cros-ec-ctl.0.auto: EC communication failed
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The driver will not probe unless bq24190 is loaded, so
making it a dependency.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
BayTrail-based and newer Chromebooks describe their peripherals in ACPI;
unfortunately their description is not complete, and peripherals
drivers, such as driver for Atmel Touch controllers, has to resort to
DMI-matching to configure the peripherals properly. To avoid polluting
peripheral driver code, let's teach chromeos_laptop driver to supply
missing data via generic device properties.
Note we supply "compatible" string for Atmel peripherals not because it is
needed for matching devices and driver (matching is still done on ACPI HID
entries), but because peripherals driver will be using presence of
"compatible" property to determine if device properties have been attached
to the device, and fail to bind if they are absent.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Replace the original license statement with the SPDX identifier.
Add also one line of description as recommended by the COPYING file.
Signed-off-by: Benson Leung <bleung@chromium.org>
Add a kernel driver for GOOG0006, an ACPI driver reporting an event when
the tablet switch status changes.
On an ACPI based convertible chromebook check evtest display tablet mode
switch changes:
Available devices:
..
/dev/input/event3: Tablet Mode Switch
..
Testing ... (interrupt to exit)
Event: time 1484879712.604360, type 5 (EV_SW), code 1 (SW_TABLET_MODE),
value 1
Event: time 1484879712.604360, -------------- SYN_REPORT ------------
Event: time 1484879715.132228, type 5 (EV_SW), code 1 (SW_TABLET_MODE),
value 0
Event: time 1484879715.132228, -------------- SYN_REPORT ------------
...
Check state is updated at resume time when different from suspend time.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Commit 001dde9400 ("mfd: cros ec: spi: Fix "in progress" error
signaling") pointed out some bad code, but its analysis and conclusion
was not 100% correct.
It *is* correct that we should not propagate result==EC_RES_IN_PROGRESS
for transport errors, because this has a special meaning -- that we
should follow up with EC_CMD_GET_COMMS_STATUS until the EC is no longer
busy. This is definitely the wrong thing for many commands, because
among other problems, EC_CMD_GET_COMMS_STATUS doesn't actually retrieve
any RX data from the EC, so commands that expected some data back will
instead start processing junk.
For such commands, the right answer is to either propagate the error
(and return that error to the caller) or resend the original command
(*not* EC_CMD_GET_COMMS_STATUS).
Unfortunately, commit 001dde9400 forgets a crucial point: that for
some long-running operations, the EC physically cannot respond to
commands any more. For example, with EC_CMD_FLASH_ERASE, the EC may be
re-flashing its own code regions, so it can't respond to SPI interrupts.
Instead, the EC prepares us ahead of time for being busy for a "long"
time, and fills its hardware buffer with EC_SPI_PAST_END. Thus, we
expect to see several "transport" errors (or, messages filled with
EC_SPI_PAST_END). So we should really translate that to a retryable
error (-EAGAIN) and continue sending EC_CMD_GET_COMMS_STATUS until we
get a ready status.
IOW, it is actually important to treat some of these "junk" values as
retryable errors.
Together with commit 001dde9400, this resolves bugs like the
following:
1. EC_CMD_FLASH_ERASE now works again (with commit 001dde9400, we
would abort the first time we saw EC_SPI_PAST_END)
2. Before commit 001dde9400, transport errors (e.g.,
EC_SPI_RX_BAD_DATA) seen in other commands (e.g.,
EC_CMD_RTC_GET_VALUE) used to yield junk data in the RX buffer; they
will now yield -EAGAIN return values, and tools like 'hwclock' will
simply fail instead of retrieving and re-programming undefined time
values
Fixes: 001dde9400 ("mfd: cros ec: spi: Fix "in progress" error signaling")
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Older models of Chromebooks did not describe the LPC EC in their ACPI
tables; starting with Strago-based devices Google is using GOOG0004 device
to describe EC LPC.
DMI-based match is fragile and does not work reliably, especially when
using custom firmware. It is also not needed when we can locate the right
ACPI device, so let's stop bailing out when DMI does not match but the
right ACPI device is present.
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Fn + left arrow hotkey combination is used for enabling/disabling automatic
display brightness based on integrated ALS sensor. For this purpose there
is standard Linux key KEY_BRIGHTNESS_AUTO so use it instead of KEY_UNKNOWN.
Tested on Dell Lattitude E6500.
Signed-off-by: Henk Vergonet <henk.vergonet@gmail.com>
Reviewed-By: Pali Rohár <pali.rohar@gmail.com>
Reviewed-By: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Now that we have informed the firmware that the Power Button driver is active,
laptops such as the Acer Swift 3 will generate a WMI key event with code 0x87
when the power button key is pressed.
Add this keycode to the table so that it is converted to
an appropriate input event.
Signed-off-by: Antonio Rosario Intilisano <antonio.intilisano@gmail.com>
Acked-by: Gianfranco Costamagna <locutusofborg@debian.org>
Tested-by: Antonio Rosario Intilisano <antonio.intilisano@gmail.com>
Cc: Chris Chiu <chiu@endlessm.com>
Cc: Daniel Drake <drake@endlessm.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Some of latest Lenovo ideapad laptops do not have UEFI/BIOS setting for
switching fn-lock mode. This commit adds related acpi calls to ideapad
platform driver. However setting is available via sysfs.
Signed-off-by: Oleg Keri <ezhi99@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Yet another Lenovo model to be added to the no_hw_rfkill blacklist:
ideapad MIIX 720-12IKB. Otherwise it's always hard-blocked.
Reported-by: Robin Roevens <robin.roevens1@pandora.be>
Bugzilla: https://bugzilla.opensuse.org/show_bug.cgi?id=1093035
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
If DELL_WMI "select"s DELL_SMBIOS, the DELL_SMBIOS dependencies are
ignored and it is still possible to end up with unmet direct
dependencies.
Change the select to a depends on.
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.
All trivial callers converted over.
Signed-off-by: Christoph Hellwig <hch@lst.de>
If DELL_WMI "select"s DELL_SMBIOS, the DELL_SMBIOS dependencies are
ignored and it is still possible to end up with unmet direct
dependencies.
Change the select to a depends on.
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Add missing description of dev, regmap, dwork_irq, after_probe in struct
mlxreg_hotplug_priv_data.
Remove dwork field from the structure mlxreg_hotplug_priv_data itself and
for the descriptions, since it is not used.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Do not consider unknown HKEY events in the 0x6000 range to be thermal
warnings. Instead, handle them as a generic unknown HKEY event, which
are reported to the kernel log at priority "notice", and do not trigger
a thermal registers state dump to the log.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Tested-by: Jordan Glover <Golden_Miller83@protonmail.ch>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
We should not do a thermal sensors state dump to the kernel log just
because the laptop is reporting that it changed into or out of tablet
mode.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Tested-by: Jordan Glover <Golden_Miller83@protonmail.ch>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Demote to debug level one existing thermal-control related event, and
also add two new ones that would otherwise trigger unknown event
warnings. These events are Windows-only for now.
We do report them to userspace in case they become useful in the future.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Reported-by: Jordan Glover <Golden_Miller83@protonmail.ch>
Tested-by: Jordan Glover <Golden_Miller83@protonmail.ch>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
As reported by Randy Dunlap:
>> WARNING: unmet direct dependencies detected for DELL_SMBIOS
>> Depends on [m]: X86 [=y] && X86_PLATFORM_DEVICES [=y]
>> && (DCDBAS [=m] ||
>> DCDBAS [=m]=n) && (ACPI_WMI [=n] || ACPI_WMI [=n]=n)
>> Selected by [y]:
>> - DELL_LAPTOP [=y] && X86 [=y] && X86_PLATFORM_DEVICES [=y]
>> && DMI [=y]
>> && BACKLIGHT_CLASS_DEVICE [=y] && (ACPI_VIDEO [=n] ||
>> ACPI_VIDEO [=n]=n)
>> && (RFKILL [=n] || RFKILL [=n]=n) && SERIO_I8042 [=y]
>>
Right now it's possible to set dell laptop to compile in but this
causes dell-smbios to compile in which breaks if dcdbas is a module.
Dell laptop shouldn't select dell-smbios anymore, but depend on it.
Fixes: 32d7b19bad (platform/x86: dell-smbios: Resolve dependency error on DCDBAS)
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
The method struct vga_switcheroo_handler::get_client_id() is defined
as returning an 'enum vga_switcheroo_client_id' but the implementation
in this driver, gmux_get_client_id(), returns an 'int'.
Fix this by returning 'enum vga_switcheroo_client_id' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
As reported by Randy Dunlap:
>> WARNING: unmet direct dependencies detected for DELL_SMBIOS
>> Depends on [m]: X86 [=y] && X86_PLATFORM_DEVICES [=y]
>> && (DCDBAS [=m] ||
>> DCDBAS [=m]=n) && (ACPI_WMI [=n] || ACPI_WMI [=n]=n)
>> Selected by [y]:
>> - DELL_LAPTOP [=y] && X86 [=y] && X86_PLATFORM_DEVICES [=y]
>> && DMI [=y]
>> && BACKLIGHT_CLASS_DEVICE [=y] && (ACPI_VIDEO [=n] ||
>> ACPI_VIDEO [=n]=n)
>> && (RFKILL [=n] || RFKILL [=n]=n) && SERIO_I8042 [=y]
>>
Right now it's possible to set dell laptop to compile in but this
causes dell-smbios to compile in which breaks if dcdbas is a module.
Dell laptop shouldn't select dell-smbios anymore, but depend on it.
Fixes: 32d7b19bad (platform/x86: dell-smbios: Resolve dependency error on DCDBAS)
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Sergey reported that some much older Dell systems don't support
the OEM string "Dell System" but instead supported www.dell.com
in OEM strings.
Match both of these to indicate that this driver is running on
a Dell system.
Reported-by: Sergey Kubushyn <ksi@koi8.net>
Tested-by: Sergey Kubushyn <ksi@koi8.net>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
[dvhart: Simplify DMI logic and eliminate unnecessary variables]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
intel_scu_ipc_i2c_cntrl() calls mutex_lock(), which indicates
this function is not called in atomic context.
Despite never getting called from atomic context,
intel_scu_ipc_i2c_cntrl() calls mdelay to busily wait.
This is not necessary and can be replaced with usleep_range to
avoid busy waiting.
This is found by a static analysis tool named DCNS written by myself.
And I also manually check it.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The hardcoded BIT(X) used in the soft key handling can be confusing and
prone to errors.
Instead, use the status FLAG_* defines for the sparse keymap index.
Rather than check for each known bit, use a bitmask to filter for all
known soft keys, and use the for_each_set_bit iterator.
Cc: Jan-Marek Glogowski <glogow@fbihome.de>
Cc: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Incorporates a series from Dmitry to remove platform data from
chromeos_laptop.c, which was the only user of platform data
for the atmel_mxt_ts driver.
Includes a series to clean up sysfs and debugfs for cros_ec.
Other misc. cleanups.
Thanks,
Benson
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Merge tag 'chrome-platform-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome platform updates from Benson Leung:
- a series from Dmitry to remove platform data from chromeos_laptop.c,
which was the only user of platform data for the atmel_mxt_ts driver.
- a series to clean up sysfs and debugfs for cros_ec
- other misc cleanups
* tag 'chrome-platform-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform: (22 commits)
platform/chrome: mfd/cros_ec_dev: Add sysfs entry to set keyboard wake lid angle
platform/chrome: cros_ec_debugfs: Add PD port info to debugfs
platform/chrome: cros_ec_debugfs: Use octal permissions '0444'
platform/chrome: cros_ec_sysfs: use permission-specific DEVICE_ATTR variants
platform/chrome: cros_ec_sysfs: introduce to_cros_ec_dev define.
platform/chrome: cros_ec_sysfs: Modify error handling
platform/chrome: cros_ec_lpc: Add support for Google devices using custom coreboot firmware
platform/chrome: cros_ec_lpc: wake up from s2idle on Chrome EC
Input: atmel_mxt_ts - remove platform data support
platform/chrome: chromeos_laptop - discard data for unneeded boards
platform/chrome: chromeos_laptop - use device properties for Pixel
platform/chrome: chromeos_laptop - rely on I2C to set up interrupt trigger
platform/chrome: chromeos_laptop - use I2C notifier to create devices
platform/chrome: chromeos_laptop - parse DMI IRQ data once
platform/chrome: chromeos_laptop - rework i2c peripherals initialization
platform/chrome: chromeos_laptop - factor out getting IRQ from DMI
platform/chrome: chromeos_laptop - introduce pr_fmt()
platform/chrome: chromeos_laptop - stop setting suspend mode for Atmel devices
platform/chrome: chromeos_laptop - add SPDX identifier
Input: atmel_mxt_ts - switch ChromeOS ACPI devices to generic props
...
This adds a sysfs attribute (/sys/class/chromeos/cros_ec/kb_wake_angle)
used to set and get the keyboard wake lid angle. This attribute is
present only if 2 accelerometers are controlled by the EC.
This patch also moves the cros_ec features check before the device is
added so the features map obtained from the EC is ready on time.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Add info useful for debugging USB-PD port state.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Fixed the following checkpatch warning:
WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider
using octal permissions '0444'.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Use DEVICE_ATTR variants for read/write attributes. This simplifies the
source code, improves readbility, and reduces the chance of
inconsistencies.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Add a define to get the cros_ec_dev from device and use it.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
When accessing a sysfs attribute, if the EC command fails, -EPROTO is
now returned instead of an error message as it is unlikely an app is
parsing the error message to do something meaningful.
Also, this patch makes use of cros_ec_cmd_xfer_status() instead of
cros_ec_cmd_xfer() so an error message is printed in the syslog.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Dell SMBIOS driver fixed against memory leaks.
The fujitsu-laptop driver is cleaned up and now supports hotkeys for
Lifebook U7x7 models. Besides that the typo introduced by one of
previous clean up series has been fixed.
Specific to x86-based laptops HID device now supports
KEY_ROTATE_LOCK_TOGGLE event which is emitted, for example,
by Wacom MobileStudio Pro 13.
Turbo MAX 3 technology is enabled for the rest of platforms that support
Hardware-P-States feature which have core priority described by
ACPI CPPC table.
Mellanox on x86 gets better support of I2C bus in use including support
of hotpluggable ones.
Silead touchscreen is enabled on two tablet models, i.e Yours Y8W81 and
I.T.Works TW701.
From now on the second fan on Thinkpad P50 is supported.
The topstar-laptop driver is reworked to support new models, in
particular Topstar U931.
Some of the changes had been already applied during v4.16 cycle and thus
have a duplication here:
- 027d50ccd6 platform/x86: intel-vbtn: Only activate tablet mode switch on 2-in-1's
- 250b044e1a platform/x86: intel-vbtn: Reset wakeup capable flag on removal
- 356b57752c platform/x86: intel-hid: Reset wakeup capable flag on removal
- 501f7e52de platform/x86: wmi: Fix misuse of vsprintf extension %pULL
- 98c76a3904 platform/x86: dell-smbios: Correct some style warnings
- ec34fe3859 platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-bae
- 41e36f2f85 platform/x86: dell-smbios: Link all dell-smbios-* modules together
- c715e43455 platform/x86: Allow for SMBIOS backend defaults
- cc69c88fbe platform/x86: dell-smbios: Resolve dependency error on DCDBAS
- 4716007c23 platform/x86: dell-smbios: Resolve dependency error on ACPI_WMI
- 7129707ec2 platform/x86: Fix dell driver init order
The following is an automated git shortlog grouped by driver:
dell-smbios:
- Fix memory leaks in build_tokens_sysfs()
- Fix dell driver init order
- Resolve dependency error on ACPI_WMI
- Resolve dependency error on DCDBAS
- Allow for SMBIOS backend defaults
- Link all dell-smbios-* modules together
- Rename dell-smbios source to dell-smbios-base
- Correct some style warnings
fujitsu-laptop:
- Support Lifebook U7x7 hotkeys
- Revert UNSUPPORTED_CMD back to an int
- Clean up constants
- Define constants for backlight power control
- Do not include linux/slab.h
- Clearly distinguish module parameters
- Simplify error paths
- Defer input device registration
- Unify local variable naming
GPD pocket fan:
- fix spelling mistake: "Mill-celcius" -> "millicelsius"
intel-hid:
- support KEY_ROTATE_LOCK_TOGGLE
- clean up and sort header files
- Reset wakeup capable flag on removal
intel_turbo_max_3:
- Remove restriction for HWP platforms
intel-vbtn:
- Reset wakeup capable flag on removal
- Only activate tablet mode switch on 2-in-1's
mlx-platform:
- Add physical bus number auto detection
- Add deffered bus functionality
- Use define for the channel numbers
platform/mellanox:
- mlxreg-hotplug: Change input for device create routine
silead_dmi:
- Add entry for the Yours Y8W81 tablet
- Add DMI match for the I.T.Works TW701 tablet
thinkpad_acpi:
- Add 2nd Fan Support for Thinkpad P50
topstar-laptop:
- replace licence text with SPDX tag
- update copyright and fix some comments
- add Topstar U931/RVP7 WLAN LED workaround
- add platform device
- split ACPI events and input handling
- use consistent naming scheme
- revert "convert to module_acpi_driver()"
wmi:
- Fix misuse of vsprintf extension %pULL
- Replace list_for_each() by list_for_each_entry()
- Replace kmalloc + sprintf() with kasprintf()
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Merge tag 'platform-drivers-x86-v4.17-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- Dell SMBIOS driver fixed against memory leaks.
- The fujitsu-laptop driver is cleaned up and now supports hotkeys for
Lifebook U7x7 models. Besides that the typo introduced by one of
previous clean up series has been fixed.
- Specific to x86-based laptops HID device now supports
KEY_ROTATE_LOCK_TOGGLE event which is emitted, for example, by Wacom
MobileStudio Pro 13.
- Turbo MAX 3 technology is enabled for the rest of platforms that
support Hardware-P-States feature which have core priority described
by ACPI CPPC table.
- Mellanox on x86 gets better support of I2C bus in use including
support of hotpluggable ones.
- Silead touchscreen is enabled on two tablet models, i.e Yours Y8W81
and I.T.Works TW701.
- From now on the second fan on Thinkpad P50 is supported.
- The topstar-laptop driver is reworked to support new models, in
particular Topstar U931.
* tag 'platform-drivers-x86-v4.17-1' of git://git.infradead.org/linux-platform-drivers-x86: (41 commits)
platform/x86: thinkpad_acpi: Add 2nd Fan Support for Thinkpad P50
platform/x86: dell-smbios: Fix memory leaks in build_tokens_sysfs()
intel-hid: support KEY_ROTATE_LOCK_TOGGLE
intel-hid: clean up and sort header files
platform/x86: silead_dmi: Add entry for the Yours Y8W81 tablet
platform/x86: fujitsu-laptop: Support Lifebook U7x7 hotkeys
platform/x86: mlx-platform: Add physical bus number auto detection
platform/mellanox: mlxreg-hotplug: Change input for device create routine
platform/x86: mlx-platform: Add deffered bus functionality
platform/x86: mlx-platform: Use define for the channel numbers
platform/x86: fujitsu-laptop: Revert UNSUPPORTED_CMD back to an int
platform/x86: Fix dell driver init order
platform/x86: dell-smbios: Resolve dependency error on ACPI_WMI
platform/x86: dell-smbios: Resolve dependency error on DCDBAS
platform/x86: Allow for SMBIOS backend defaults
platform/x86: dell-smbios: Link all dell-smbios-* modules together
platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-base
platform/x86: dell-smbios: Correct some style warnings
platform/x86: wmi: Fix misuse of vsprintf extension %pULL
platform/x86: intel-hid: Reset wakeup capable flag on removal
...
This patch adds generic device information to the DMI table of
the cros_ec_lpc driver, needed for Chromebooks/boxes using a
custom coreboot firmware.
The DMI info would not contain "Google_*" as BIOS version string,
instead the system vendor string would still be "GOOGLE", so this
seems to be a reasonable match for every Chromebook/box running
a custom firmware.
Signed-off-by: Salvatore Bellizzi <lkml@seppia.net>
Signed-off-by: Vittorio Gambaletta <linuxbugs@vittgam.net>
Signed-off-by: Benson Leung <bleung@chromium.org>
Chrome platform installed a Chrome EC notify handler which prevents
default EC GPE handler getting called. Add pm_system_wakeup to the
Chrome EC notify handler so wake up from s2idle can happen.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Wenkai Du <wenkai.du@intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Mark board data as __intconst/__initdata and make a copy of appropriate
entry once we identified the board we are running on. The rest of the data
will be discarded once the kernel finished booting (or module finished
loading).
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Now that Atmel driver uses generic device properties we can use them
instead of platform data when setting up touchpad on the original
Google Pixel.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Instead of passing interrupt flags via platform data to drivers, or
hoping that drivers will do the right thing and set it up the way we
need, let's set up IRQ resource and attach it to the I2C board info, and
let I2C core set it up for us.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
