If ACPI table provides an Interrupt() resource we may consider to use it
instead of GpioInt() one.
Here we leave an error condition, when getting IRQ resource, to the driver
to decide how to proceed, because some drivers may consider IRQ resource
optional.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
As a preparatory patch switch the driver to distinguish IRQ resource type.
For now, only GpioInt() is supported.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Instead of relying on hard coded and thus expected number of I2C clients,
count the real amount provided by firmware.
This allows to support non-fixed amount of the slaves.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Now, when i2c_acpi_new_device() never returns NULL, there is no point to check
for it. Besides that, i2c_acpi_new_device() returns -EPROBE_DEFER directly and
caller doesn't need to guess is better.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Now, when i2c_acpi_new_device() never returns NULL, there is no point to check
for it. Besides that, i2c_acpi_new_device() returns -EPROBE_DEFER directly and
caller doesn't need to guess is better.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Likewise the rest of the i2c_acpi_new_device() users, defer the probe
of the i2c-multi-intantiate driver in case adapter is not yet found.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
In the future i2c_acpi_new_device() will return error pointer in some cases.
Prepare i2c-multi-instantiate driver to support that.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
In the future i2c_acpi_new_device() will return error pointer in some cases.
Prepare intel_cht_int33fe driver to support that.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Since i2c_unregister_device() became NULL-aware we may remove duplicate
NULL check.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Some Lenovo IdeaPad models lack a physical rfkill switch.
On Lenovo models Yoga 2 13, ideapad-laptop would wrongly report all
radios as blocked by hardware which caused wireless network connections
to fail.
Add these models without an rfkill switch to the no_hw_rfkill list.
Signed-off-by: Loic WEI YU NENG <loic.wyn@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The LTR values follow PCIE LTR encoding format and can be decoded as per
https://pcisig.com/sites/default/files/specification_documents/ECN_LatencyTolnReporting_14Aug08.pdf
This adds support to translate the raw LTR values as read from the PMC
to meaningful values in nanosecond units of time.
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cannonlake PCH allows us to ignore LTR from more IPs than Sunrisepoint
PCH so make the LTR ignore platform specific.
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This adds support to show the Latency Tolerance Reporting for the IPs on
the PCH as reported by the PMC. The format shown here is raw LTR data
payload that can further be decoded as per the PCI specification.
This also fixes some minor alignment issues in the header file by
removing spaces and converting to tabs at some places.
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
According to Asus firmware engineers, the meaning of these codes is only
to notify the OS that the screen brightness has been turned on/off by
the EC. This does not match the meaning of KEY_DISPLAYTOGGLE /
KEY_DISPLAY_OFF, where userspace is expected to change the display
brightness.
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
When the OS registers to handle events from the display off hotkey the
EC will send a notification with 0x35 for every key press, independent
of the backlight state.
The behavior of this key on Windows, with the ATKACPI driver from Asus
installed, is turning off the backlight of all connected displays with a
fading effect, and any cursor input or key press turning the backlight
back on. The key press or cursor input that wakes up the display is also
passed through to the application under the cursor or under focus.
The key that matches this behavior the closest is KEY_SCREENLOCK.
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
In the past, Asus firmwares would change the panel backlight directly
through the EC when the display off hotkey (Fn+F7) was pressed, and
only notify the OS of such change, with 0x33 when the LCD was ON and
0x34 when the LCD was OFF. These are currently mapped to
KEY_DISPLAYTOGGLE and KEY_DISPLAY_OFF, respectively.
Most recently the EC on Asus most machines lost ability to toggle the
LCD backlight directly, but unless the OS informs the firmware it is
going to handle the display toggle hotkey events, the firmware still
tries change the brightness through the EC, to no effect. The end result
is a long list (at Endless we counted 11) of Asus laptop models where
the display toggle hotkey does not perform any action. Our firmware
engineers contacts at Asus were surprised that there were still machines
out there with the old behavior.
Calling WMNB(ASUS_WMI_DEVID_BACKLIGHT==0x00050011, 2) on the _WDG device
tells the firmware that it should let the OS handle the display toggle
event, in which case it will simply notify the OS of a key press with
0x35, as shown by the DSDT excerpts bellow.
Scope (_SB)
{
(...)
Device (ATKD)
{
(...)
Name (_WDG, Buffer (0x28)
{
/* 0000 */ 0xD0, 0x5E, 0x84, 0x97, 0x6D, 0x4E, 0xDE, 0x11,
/* 0008 */ 0x8A, 0x39, 0x08, 0x00, 0x20, 0x0C, 0x9A, 0x66,
/* 0010 */ 0x4E, 0x42, 0x01, 0x02, 0x35, 0xBB, 0x3C, 0x0B,
/* 0018 */ 0xC2, 0xE3, 0xED, 0x45, 0x91, 0xC2, 0x4C, 0x5A,
/* 0020 */ 0x6D, 0x19, 0x5D, 0x1C, 0xFF, 0x00, 0x01, 0x08
})
Method (WMNB, 3, Serialized)
{
CreateDWordField (Arg2, Zero, IIA0)
CreateDWordField (Arg2, 0x04, IIA1)
Local0 = (Arg1 & 0xFFFFFFFF)
(...)
If ((Local0 == 0x53564544))
{
(...)
If ((IIA0 == 0x00050011))
{
If ((IIA1 == 0x02))
{
^^PCI0.SBRG.EC0.SPIN (0x72, One)
^^PCI0.SBRG.EC0.BLCT = One
}
Return (One)
}
}
(...)
}
(...)
}
(...)
}
(...)
Scope (_SB.PCI0.SBRG.EC0)
{
(...)
Name (BLCT, Zero)
(...)
Method (_Q10, 0, NotSerialized) // _Qxx: EC Query
{
If ((BLCT == Zero))
{
Local0 = One
Local0 = RPIN (0x72)
Local0 ^= One
SPIN (0x72, Local0)
If (ATKP)
{
Local0 = (0x34 - Local0)
^^^^ATKD.IANE (Local0)
}
}
ElseIf ((BLCT == One))
{
If (ATKP)
{
^^^^ATKD.IANE (0x35)
}
}
}
(...)
}
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The keycode KEY_FAVORITES(0x16c) used in thinkpad_acpi driver is too
big (out of range > 255) for xorg to handle.
xkeyboard-config has already mapped KEY_BOOKMARKS(156) to
XF86Favorites:
keycodes/evdev:
<I164> = 164; // #define KEY_BOOKMARKS 156
symbols/inet:
key <I164> { [ XF86Favorites ] };
So change the keymap to KEY_BOOKMARKS for Favorites hotkey.
Signed-off-by: Zhang Xianwei <zhang.xianwei8@zte.com.cn>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Move the Dell dcdbas and dell_rbu drivers into platform/drivers/x86 as
they are closely coupled with other drivers in this location.
Improve _init* usage for acerhdf and fix some usage issues with messages
and module parameters.
Simplify asus-wmi by calling ACPI/WMI methods directly, eliminating
workqueue overhead, eliminate double reporting of keyboard backlight.
Fix wake from USB failure on Bay Trail devices (intel_int0002_vgpio).
Notify intel_telemetry users when IPC1 device is not enabled.
Update various drivers with new laptop model IDs.
Update several intel drivers to use SPDX identifers and order headers
alphabetically.
The following is an automated git shortlog grouped by driver:
Add Intel AtomISP2 dummy / power-management driver:
- Add Intel AtomISP2 dummy / power-management driver
lg-laptop:
- Add LG Gram laptop special features driver
HID:
- asus: only support backlight when it's not driven by WMI
MAINTAINERS:
- intel_telemetry: Update maintainers info
- intel_pmc_core: Update MAINTAINERS
- Update maintainer for dcdbas and dell_rbu
- Use my infradead account exclusively for PDx86 work
acerhdf:
- restructure to allow large BIOS table be __initconst
- mark appropriate content with __init prefix
- Add BIOS entry for Gateway LT31 v1.3307
- Remove cut-and-paste trap from instructions
- Enable ability to list supported systems
- clarify modinfo messages for BIOS override
asus-wmi:
- export function for evaluating WMI methods
- Only notify kbd LED hw_change by fn-key pressed
- Simplify the keyboard brightness updating process
firmware:
- dcdbas: include linux/io.h
- dcdbas: Move dcdbas to drivers/platform/x86
- dell_rbu: Move dell_rbu to drivers/platform/x86
- dcdbas: Add support for WSMT ACPI table
- dell_rbu: Make payload memory uncachable
ideapad-laptop:
- Add Y530-15ICH to no_hw_rfkill
- Use __func__ instead of read_ec_cmd in pr_err
intel-hid:
- Convert to use SPDX identifier
intel-ips:
- Convert to use SPDX identifier
intel-rst:
- Convert to use SPDX identifier
- Sort headers alphabetically
intel-smartconnect:
- Convert to use SPDX identifier
- Sort headers alphabetically
intel-wmi-thunderbolt:
- Add dynamic debugging
- Convert to use SPDX identifier
intel_bxtwc_tmu:
- Convert to use SPDX identifier
intel_cht_int33fe:
- Convert to use SPDX identifier
intel_chtdc_ti_pwrbtn:
- Add SPDX identifier
intel_int0002_vgpio:
- Convert to use SPDX identifier
- Implement irq_set_wake
- Enable the driver on Bay Trail platforms
intel_menlow:
- Convert to use SPDX identifier
- Sort headers alphabetically
intel_mid_powerbtn:
- Convert to use SPDX identifier
- Remove unnecessary init.h inclusion
- Get rid of custom ICPU() macro
intel_mid_thermal:
- Convert to use SPDX identifier
- Sort headers alphabetically
intel_oaktrail:
- Convert to use SPDX identifier
- Sort headers alphabetically
intel_pmc:
- Convert to use SPDX identifier
- Sort headers alphabetically
intel_punit_ipc:
- Convert to use SPDX identifier
- Sort headers alphabetically
intel_scu_ipc:
- Convert to use SPDX identifier
- Sort headers alphabetically
intel_telemetry:
- Get rid of custom macro
- report debugfs failure
- Convert to use SPDX identifier
intel_turbo_max_3:
- Convert to use SPDX identifier
- Sort headers alphabetically
mlx-platform:
- Properly use mlxplat_mlxcpld_msn201x_items
touchscreen_dmi:
- Add min-x and min-y settings for various models
- Add info for the Onda V80 Plus v3 tablet
- Add info for the Trekstor Primetab T13B tablet
- Add info for the Trekstor Primebook C11 convertible
tracing:
- Trivia spelling fix containerof() -> container_of()
wmi:
- declare device_type structure as constant
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Merge tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
- Move the Dell dcdbas and dell_rbu drivers into platform/drivers/x86
as they are closely coupled with other drivers in this location.
- Improve _init* usage for acerhdf and fix some usage issues with
messages and module parameters.
- Simplify asus-wmi by calling ACPI/WMI methods directly, eliminating
workqueue overhead, eliminate double reporting of keyboard backlight.
- Fix wake from USB failure on Bay Trail devices (intel_int0002_vgpio).
- Notify intel_telemetry users when IPC1 device is not enabled.
- Update various drivers with new laptop model IDs.
- Update several intel drivers to use SPDX identifers and order headers
alphabetically.
* tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-platform-drivers-x86: (64 commits)
HID: asus: only support backlight when it's not driven by WMI
platform/x86: asus-wmi: export function for evaluating WMI methods
platform/x86: asus-wmi: Only notify kbd LED hw_change by fn-key pressed
platform/x86: wmi: declare device_type structure as constant
platform/x86: ideapad: Add Y530-15ICH to no_hw_rfkill
platform/x86: Add Intel AtomISP2 dummy / power-management driver
platform/x86: touchscreen_dmi: Add min-x and min-y settings for various models
platform/x86: touchscreen_dmi: Add info for the Onda V80 Plus v3 tablet
platform/x86: touchscreen_dmi: Add info for the Trekstor Primetab T13B tablet
platform/x86: intel_telemetry: Get rid of custom macro
platform/x86: intel_telemetry: report debugfs failure
MAINTAINERS: intel_telemetry: Update maintainers info
platform/x86: Add LG Gram laptop special features driver
platform/x86: asus-wmi: Simplify the keyboard brightness updating process
platform/x86: touchscreen_dmi: Add info for the Trekstor Primebook C11 convertible
platform/x86: mlx-platform: Properly use mlxplat_mlxcpld_msn201x_items
MAINTAINERS: intel_pmc_core: Update MAINTAINERS
firmware: dcdbas: include linux/io.h
platform/x86: intel-wmi-thunderbolt: Add dynamic debugging
platform/x86: intel-wmi-thunderbolt: Convert to use SPDX identifier
...
Export asus_wmi_evaluate_method() and related headers for use by other
drivers.
hid-asus is going to use this to avoid advertising that it has a keyboard
backlight when the keyboard backlight is controlled via WMI.
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Since commit dbb3d78f61 ("platform/x86: asus-wmi: Call led hw_changed
API on kbd brightness change"), asus-wmi directly changes the keyboard
LED brightness when the keyboard brightness keys are pressed,
raising the appropriate notification.
However, this notification was unintentionally also being raised during
boot and resume from suspend. This was resulting in userspace showing
the keyboard LED OSD on resume for no good reason.
Move the keyboard LED brightness changed notification
from kbd_led_update to the new kbd_led_set_by_kbd function which is only
called from the keyboard brightness function keys codepath.
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The only usage of device_type structure is getting stored as
a reference in the type field of device structure. This type
field is declared const. Therefore, the device_type structure
can never be modified and can be declared as const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Lenovo Legion Y530-15ICH is another model without
hardware radio switch. Add it to no_hw_rfkill to
enable wireless.
Signed-off-by: Misha Komarovskiy <zombah@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The Image Signal Processor found on Cherry Trail devices is brought up in
D0 state on devices which have camera sensors attached to it. The ISP will
not enter D3 state again without some massaging of its registers beforehand
and the ISP not being in D3 state blocks the SoC from entering S0ix modes.
There was a driver for the ISP in drivers/staging but that got removed
again because it never worked. It does not seem likely that a real
driver for the ISP will be added to the mainline kernel anytime soon.
This commit adds a dummy driver which contains the necessary magic from
the staging driver to powerdown the ISP, so that Cherry Trail devices where
the ISP is used will properly use S0ix modes when suspended.
Together with other recent S0ix related fixes this allows S0ix modes to
be entered on e.g. a Chuwi Hi8 Pro and a HP x2 210.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=196915
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add min-x and min-y settings now that we've support for this and for some
models also update the width/height settings with slighly more accurate
values.
This fixes touches along the edges registering at the wrong coordinates.
While at it also set max-fingers to 10 in a couple of cases where the
touchpad can handle 10 fingers (rather then the default 5) and that was
missing.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Here is the big USB/PHY driver patches for 4.20-rc1
Lots of USB changes in here, primarily in these areas:
- typec updates and new drivers
- new PHY drivers
- dwc2 driver updates and additions (this old core keeps getting added
to new devices.)
- usbtmc major update based on the industry group coming together and
working to add new features and performance to the driver.
- USB gadget additions for new features
- USB gadget configfs updates
- chipidea driver updates
- other USB gadget updates
- USB serial driver updates
- renesas driver updates
- xhci driver updates
- other tiny USB driver updates
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-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big USB/PHY driver patches for 4.20-rc1
Lots of USB changes in here, primarily in these areas:
- typec updates and new drivers
- new PHY drivers
- dwc2 driver updates and additions (this old core keeps getting
added to new devices.)
- usbtmc major update based on the industry group coming together and
working to add new features and performance to the driver.
- USB gadget additions for new features
- USB gadget configfs updates
- chipidea driver updates
- other USB gadget updates
- USB serial driver updates
- renesas driver updates
- xhci driver updates
- other tiny USB driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (229 commits)
usb: phy: ab8500: silence some uninitialized variable warnings
usb: xhci: tegra: Add genpd support
usb: xhci: tegra: Power-off power-domains on removal
usbip:vudc: BUG kmalloc-2048 (Not tainted): Poison overwritten
usbip: tools: fix atoi() on non-null terminated string
USB: misc: appledisplay: fix backlight update_status return code
phy: phy-pxa-usb: add a new driver
usb: host: add DT bindings for faraday fotg2
usb: host: ohci-at91: fix request of irq for optional gpio
usb/early: remove set but not used variable 'remain_length'
usb: typec: Fix copy/paste on typec_set_vconn_role() kerneldoc
usb: typec: tcpm: Report back negotiated PPS voltage and current
USB: core: remove set but not used variable 'udev'
usb: core: fix memory leak on port_dev_path allocation
USB: net2280: Remove ->disconnect() callback from net2280_pullup()
usb: dwc2: disable power_down on rockchip devices
usb: gadget: udc: renesas_usb3: add support for r8a77990
dt-bindings: usb: renesas_usb3: add bindings for r8a77990
usb: gadget: udc: renesas_usb3: Add r8a774a1 support
USB: serial: cypress_m8: remove set but not used variable 'iflag'
...
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Merge tag 'pci-v4.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- Fix ASPM link_state teardown on removal (Lukas Wunner)
- Fix misleading _OSC ASPM message (Sinan Kaya)
- Make _OSC optional for PCI (Sinan Kaya)
- Don't initialize ASPM link state when ACPI_FADT_NO_ASPM is set
(Patrick Talbert)
- Remove x86 and arm64 node-local allocation for host bridge structures
(Punit Agrawal)
- Pay attention to device-specific _PXM node values (Jonathan Cameron)
- Support new Immediate Readiness bit (Felipe Balbi)
- Differentiate between pciehp surprise and safe removal (Lukas Wunner)
- Remove unnecessary pciehp includes (Lukas Wunner)
- Drop pciehp hotplug_slot_ops wrappers (Lukas Wunner)
- Tolerate PCIe Slot Presence Detect being hardwired to zero to
workaround broken hardware, e.g., the Wilocity switch/wireless device
(Lukas Wunner)
- Unify pciehp controller & slot structs (Lukas Wunner)
- Constify hotplug_slot_ops (Lukas Wunner)
- Drop hotplug_slot_info (Lukas Wunner)
- Embed hotplug_slot struct into users instead of allocating it
separately (Lukas Wunner)
- Initialize PCIe port service drivers directly instead of relying on
initcall ordering (Keith Busch)
- Restore PCI config state after a slot reset (Keith Busch)
- Save/restore DPC config state along with other PCI config state
(Keith Busch)
- Reference count devices during AER handling to avoid race issue with
concurrent hot removal (Keith Busch)
- If an Upstream Port reports ERR_FATAL, don't try to read the Port's
config space because it is probably unreachable (Keith Busch)
- During error handling, use slot-specific reset instead of secondary
bus reset to avoid link up/down issues on hotplug ports (Keith Busch)
- Restore previous AER/DPC handling that does not remove and
re-enumerate devices on ERR_FATAL (Keith Busch)
- Notify all drivers that may be affected by error recovery resets
(Keith Busch)
- Always generate error recovery uevents, even if a driver doesn't have
error callbacks (Keith Busch)
- Make PCIe link active reporting detection generic (Keith Busch)
- Support D3cold in PCIe hierarchies during system sleep and runtime,
including hotplug and Thunderbolt ports (Mika Westerberg)
- Handle hpmemsize/hpiosize kernel parameters uniformly, whether slots
are empty or occupied (Jon Derrick)
- Remove duplicated include from pci/pcie/err.c and unused variable
from cpqphp (YueHaibing)
- Remove driver pci_cleanup_aer_uncorrect_error_status() calls (Oza
Pawandeep)
- Uninline PCI bus accessors for better ftracing (Keith Busch)
- Remove unused AER Root Port .error_resume method (Keith Busch)
- Use kfifo in AER instead of a local version (Keith Busch)
- Use threaded IRQ in AER bottom half (Keith Busch)
- Use managed resources in AER core (Keith Busch)
- Reuse pcie_port_find_device() for AER injection (Keith Busch)
- Abstract AER interrupt handling to disconnect error injection (Keith
Busch)
- Refactor AER injection callbacks to simplify future improvments
(Keith Busch)
- Remove unused Netronome NFP32xx Device IDs (Jakub Kicinski)
- Use bitmap_zalloc() for dma_alias_mask (Andy Shevchenko)
- Add switch fall-through annotations (Gustavo A. R. Silva)
- Remove unused Switchtec quirk variable (Joshua Abraham)
- Fix pci.c kernel-doc warning (Randy Dunlap)
- Remove trivial PCI wrappers for DMA APIs (Christoph Hellwig)
- Add Intel GPU device IDs to spurious interrupt quirk (Bin Meng)
- Run Switchtec DMA aliasing quirk only on NTB endpoints to avoid
useless dmesg errors (Logan Gunthorpe)
- Update Switchtec NTB documentation (Wesley Yung)
- Remove redundant "default n" from Kconfig (Bartlomiej Zolnierkiewicz)
- Avoid panic when drivers enable MSI/MSI-X twice (Tonghao Zhang)
- Add PCI support for peer-to-peer DMA (Logan Gunthorpe)
- Add sysfs group for PCI peer-to-peer memory statistics (Logan
Gunthorpe)
- Add PCI peer-to-peer DMA scatterlist mapping interface (Logan
Gunthorpe)
- Add PCI configfs/sysfs helpers for use by peer-to-peer users (Logan
Gunthorpe)
- Add PCI peer-to-peer DMA driver writer's documentation (Logan
Gunthorpe)
- Add block layer flag to indicate driver support for PCI peer-to-peer
DMA (Logan Gunthorpe)
- Map Infiniband scatterlists for peer-to-peer DMA if they contain P2P
memory (Logan Gunthorpe)
- Register nvme-pci CMB buffer as PCI peer-to-peer memory (Logan
Gunthorpe)
- Add nvme-pci support for PCI peer-to-peer memory in requests (Logan
Gunthorpe)
- Use PCI peer-to-peer memory in nvme (Stephen Bates, Steve Wise,
Christoph Hellwig, Logan Gunthorpe)
- Cache VF config space size to optimize enumeration of many VFs
(KarimAllah Ahmed)
- Remove unnecessary <linux/pci-ats.h> include (Bjorn Helgaas)
- Fix VMD AERSID quirk Device ID matching (Jon Derrick)
- Fix Cadence PHY handling during probe (Alan Douglas)
- Signal Cadence Endpoint interrupts via AXI region 0 instead of last
region (Alan Douglas)
- Write Cadence Endpoint MSI interrupts with 32 bits of data (Alan
Douglas)
- Remove redundant controller tests for "device_type == pci" (Rob
Herring)
- Document R-Car E3 (R8A77990) bindings (Tho Vu)
- Add device tree support for R-Car r8a7744 (Biju Das)
- Drop unused mvebu PCIe capability code (Thomas Petazzoni)
- Add shared PCI bridge emulation code (Thomas Petazzoni)
- Convert mvebu to use shared PCI bridge emulation (Thomas Petazzoni)
- Add aardvark Root Port emulation (Thomas Petazzoni)
- Support 100MHz/200MHz refclocks for i.MX6 (Lucas Stach)
- Add initial power management for i.MX7 (Leonard Crestez)
- Add PME_Turn_Off support for i.MX7 (Leonard Crestez)
- Fix qcom runtime power management error handling (Bjorn Andersson)
- Update TI dra7xx unaligned access errata workaround for host mode as
well as endpoint mode (Vignesh R)
- Fix kirin section mismatch warning (Nathan Chancellor)
- Remove iproc PAXC slot check to allow VF support (Jitendra Bhivare)
- Quirk Keystone K2G to limit MRRS to 256 (Kishon Vijay Abraham I)
- Update Keystone to use MRRS quirk for host bridge instead of open
coding (Kishon Vijay Abraham I)
- Refactor Keystone link establishment (Kishon Vijay Abraham I)
- Simplify and speed up Keystone link training (Kishon Vijay Abraham I)
- Remove unused Keystone host_init argument (Kishon Vijay Abraham I)
- Merge Keystone driver files into one (Kishon Vijay Abraham I)
- Remove redundant Keystone platform_set_drvdata() (Kishon Vijay
Abraham I)
- Rename Keystone functions for uniformity (Kishon Vijay Abraham I)
- Add Keystone device control module DT binding (Kishon Vijay Abraham
I)
- Use SYSCON API to get Keystone control module device IDs (Kishon
Vijay Abraham I)
- Clean up Keystone PHY handling (Kishon Vijay Abraham I)
- Use runtime PM APIs to enable Keystone clock (Kishon Vijay Abraham I)
- Clean up Keystone config space access checks (Kishon Vijay Abraham I)
- Get Keystone outbound window count from DT (Kishon Vijay Abraham I)
- Clean up Keystone outbound window configuration (Kishon Vijay Abraham
I)
- Clean up Keystone DBI setup (Kishon Vijay Abraham I)
- Clean up Keystone ks_pcie_link_up() (Kishon Vijay Abraham I)
- Fix Keystone IRQ status checking (Kishon Vijay Abraham I)
- Add debug messages for all Keystone errors (Kishon Vijay Abraham I)
- Clean up Keystone includes and macros (Kishon Vijay Abraham I)
- Fix Mediatek unchecked return value from devm_pci_remap_iospace()
(Gustavo A. R. Silva)
- Fix Mediatek endpoint/port matching logic (Honghui Zhang)
- Change Mediatek Root Port Class Code to PCI_CLASS_BRIDGE_PCI (Honghui
Zhang)
- Remove redundant Mediatek PM domain check (Honghui Zhang)
- Convert Mediatek to pci_host_probe() (Honghui Zhang)
- Fix Mediatek MSI enablement (Honghui Zhang)
- Add Mediatek system PM support for MT2712 and MT7622 (Honghui Zhang)
- Add Mediatek loadable module support (Honghui Zhang)
- Detach VMD resources after stopping root bus to prevent orphan
resources (Jon Derrick)
- Convert pcitest build process to that used by other tools (iio, perf,
etc) (Gustavo Pimentel)
* tag 'pci-v4.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (140 commits)
PCI/AER: Refactor error injection fallbacks
PCI/AER: Abstract AER interrupt handling
PCI/AER: Reuse existing pcie_port_find_device() interface
PCI/AER: Use managed resource allocations
PCI: pcie: Remove redundant 'default n' from Kconfig
PCI: aardvark: Implement emulated root PCI bridge config space
PCI: mvebu: Convert to PCI emulated bridge config space
PCI: mvebu: Drop unused PCI express capability code
PCI: Introduce PCI bridge emulated config space common logic
PCI: vmd: Detach resources after stopping root bus
nvmet: Optionally use PCI P2P memory
nvmet: Introduce helper functions to allocate and free request SGLs
nvme-pci: Add support for P2P memory in requests
nvme-pci: Use PCI p2pmem subsystem to manage the CMB
IB/core: Ensure we map P2P memory correctly in rdma_rw_ctx_[init|destroy]()
block: Add PCI P2P flag for request queue
PCI/P2PDMA: Add P2P DMA driver writer's documentation
docs-rst: Add a new directory for PCI documentation
PCI/P2PDMA: Introduce configfs/sysfs enable attribute helpers
PCI/P2PDMA: Add PCI p2pmem DMA mappings to adjust the bus offset
...
Pull perf updates from Ingo Molnar:
"The main updates in this cycle were:
- Lots of perf tooling changes too voluminous to list (big perf trace
and perf stat improvements, lots of libtraceevent reorganization,
etc.), so I'll list the authors and refer to the changelog for
details:
Benjamin Peterson, Jérémie Galarneau, Kim Phillips, Peter
Zijlstra, Ravi Bangoria, Sangwon Hong, Sean V Kelley, Steven
Rostedt, Thomas Gleixner, Ding Xiang, Eduardo Habkost, Thomas
Richter, Andi Kleen, Sanskriti Sharma, Adrian Hunter, Tzvetomir
Stoyanov, Arnaldo Carvalho de Melo, Jiri Olsa.
... with the bulk of the changes written by Jiri Olsa, Tzvetomir
Stoyanov and Arnaldo Carvalho de Melo.
- Continued intel_rdt work with a focus on playing well with perf
events. This also imported some non-perf RDT work due to
dependencies. (Reinette Chatre)
- Implement counter freezing for Arch Perfmon v4 (Skylake and newer).
This allows to speed up the PMI handler by avoiding unnecessary MSR
writes and make it more accurate. (Andi Kleen)
- kprobes cleanups and simplification (Masami Hiramatsu)
- Intel Goldmont PMU updates (Kan Liang)
- ... plus misc other fixes and updates"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (155 commits)
kprobes/x86: Use preempt_enable() in optimized_callback()
x86/intel_rdt: Prevent pseudo-locking from using stale pointers
kprobes, x86/ptrace.h: Make regs_get_kernel_stack_nth() not fault on bad stack
perf/x86/intel: Export mem events only if there's PEBS support
x86/cpu: Drop pointless static qualifier in punit_dev_state_show()
x86/intel_rdt: Fix initial allocation to consider CDP
x86/intel_rdt: CBM overlap should also check for overlap with CDP peer
x86/intel_rdt: Introduce utility to obtain CDP peer
tools lib traceevent, perf tools: Move struct tep_handler definition in a local header file
tools lib traceevent: Separate out tep_strerror() for strerror_r() issues
perf python: More portable way to make CFLAGS work with clang
perf python: Make clang_has_option() work on Python 3
perf tools: Free temporary 'sys' string in read_event_files()
perf tools: Avoid double free in read_event_file()
perf tools: Free 'printk' string in parse_ftrace_printk()
perf tools: Cleanup trace-event-info 'tdata' leak
perf strbuf: Match va_{add,copy} with va_end
perf test: S390 does not support watchpoints in test 22
perf auxtrace: Include missing asm/bitsperlong.h to get BITS_PER_LONG
tools include: Adopt linux/bits.h
...
Add touchscreen platform data for the Onda V80 Plus v3 tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add touchscreen info for the Trekstor Primetab T13B tablet.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marian Cepok <marian.cepok@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
On some Goldmont based systems such as ASRock J3455M the BIOS may not
enable the IPC1 device that provides access to the PMC and PUNIT. In
such scenarios, the IOSS and PSS resources from the platform device can
not be obtained and result in a invalid telemetry_plt_config which is an
internal data structure that holds platform config and is maintained by
the telemetry platform driver.
This is also applicable to the platforms where the BIOS supports IPC1
device under debug configurations but IPC1 is disabled by user or the
policy.
This change allows user to know the reason for not seeing entries under
/sys/kernel/debug/telemetry/* when there is no apparent failure at boot.
Cc: Matt Turner <matt.turner@intel.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
Cc: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@intel.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=198779
Acked-by: Matt Turner <matt.turner@intel.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
A driver for LG Gram laptop supporting features not available through the
standard interfaces:
- Support for the 5 Fn keys that generate ACPI or WMI events.
- Two software controlled LEDs: keyboard backlight (also controlled by
hardware) and touchpad LED.
- Extra features: reader mode, Fn lock, cooling mode, USB charge mode, and
maximal battery charging level.
Signed-off-by: Matan Ziv-Av <matan@svgalib.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The original asus-wmi queues a work which calls the ACPI/WMI methods to
update the keyboard LED brightness. Similar drivers - acer-wmi,
dell-wmi-led just call the ACPI/WMI methods directly without workqueues.
This patch simplifies the keyboard brightness updating process which
calls the kbd_led_update function directly without workqueue in
asus-wmi.
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Bay and Cherry Trail devices with a Dollar Cove or Whiskey Cove PMIC
have an ACPI node with a HID of INT33FE which is a "virtual" battery
device implementing a standard ACPI battery interface which depends upon
a proprietary, undocument OpRegion called BMOP. Since we do have docs
for the actual fuel-gauges used on these boards we instead use native
fuel-gauge drivers talking directly to the fuel-gauge ICs on boards which
rely on this INT33FE device for their battery monitoring.
On boards with a Dollar Cove PMIC the INT33FE device's resources (_CRS)
describe a non-existing I2C client at address 0x6b with a bus-speed of
100KHz. This is a problem on some boards since there are actual devices
on that same bus which need a speed of 400KHz to function properly.
This commit adds the INT33FE HID to the list of devices with I2C resources
which should be enumerated as a platform-device rather then letting the
i2c-core instantiate an i2c-client matching the first I2C resource,
so that its bus-speed will not influence the max speed of the I2C bus.
This fixes e.g. the touchscreen not working on the Teclast X98 II Plus.
The INT33FE device on boards with a Whiskey Cove PMIC is somewhat special.
Its first I2C resource is for a secondary I2C address of the PMIC itself,
which is already described in an ACPI device with an INT34D3 HID.
But it has 3 more I2C resources describing 3 other chips for which we do
need to instantiate I2C clients and which need device-connections added
between them for things to work properly. This special case is handled by
the drivers/platform/x86/intel_cht_int33fe.c code.
Before this commit that code was binding to the i2c-client instantiated
for the secondary I2C address of the PMIC, since we now instantiate a
platform device for the INT33FE device instead, this commit also changes
the intel_cht_int33fe driver from an i2c driver to a platform driver.
This also brings the intel_cht_int33fe drv inline with how we instantiate
multiple i2c clients from a single ACPI device in other cases, as done
by the drivers/platform/x86/i2c-multi-instantiate.c code.
Reported-and-tested-by: Alexander Meiler <alex.meiler@protonmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add touchscreen info for the Trekstor Primebook C11 convertible.
Cc: Alicia Hormann <ahormann@gmx.net>
Suggested-by: Alicia Hormann <ahormann@gmx.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Clang warns that mlxplat_mlxcpld_msn201x_items is not going to be
emitted in the final assembly because it's only used in ARRAY_SIZE right
now, which is a compile time evaluation since the array's size is known.
drivers/platform/x86/mlx-platform.c:555:32: warning: variable
'mlxplat_mlxcpld_msn201x_items' is not needed and will not be emitted
[-Wunneeded-internal-declaration]
static struct mlxreg_core_item mlxplat_mlxcpld_msn201x_items[] = {
^
1 warning generated.
It appears this was a copy and paste mistake from when this item was
first added. Use the definition in mlxplat_mlxcpld_msn201x_data so that
Clang no longer warns.
Link: https://github.com/ClangBuiltLinux/linux/issues/141
Fixes: a49a41482f ("platform/x86: mlx-platform: Add support for new msn201x system type")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
memremap() is declared in linux/io.h, not in asm/io.h, so we should
include that header to avoid build errors:
drivers/platform/x86/dcdbas.c: In function 'dcdbas_check_wsmt':
drivers/platform/x86/dcdbas.c:572:15: error: implicit declaration of function 'memremap'; did you mean 'ioremap'? [-Werror=implicit-function-declaration]
eps_buffer = memremap(eps->smm_comm_buff_addr, remap_size, MEMREMAP_WB);
^~~~~~~~
ioremap
drivers/platform/x86/dcdbas.c:572:61: error: 'MEMREMAP_WB' undeclared (first use in this function)
eps_buffer = memremap(eps->smm_comm_buff_addr, remap_size, MEMREMAP_WB);
^~~~~~~~~~~
drivers/platform/x86/dcdbas.c:572:61: note: each undeclared identifier is reported only once for each function it appears in
drivers/platform/x86/dcdbas.c: In function 'dcdbas_exit':
drivers/platform/x86/dcdbas.c:748:3: error: implicit declaration of function 'memunmap'; did you mean 'vm_munmap'? [-Werror=implicit-function-declaration]
Fixes: 12c956c4f3 ("firmware: dcdbas: Add support for WSMT ACPI table")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Going primarily by:
https://en.wikipedia.org/wiki/List_of_Intel_Atom_microprocessors
with additional information gleaned from other related pages; notably:
- Bonnell shrink was called Saltwell
- Moorefield is the Merriefield refresh which makes it Airmont
The general naming scheme is: FAM6_ATOM_UARCH_SOCTYPE
for i in `git grep -l FAM6_ATOM` ; do
sed -i -e 's/ATOM_PINEVIEW/ATOM_BONNELL/g' \
-e 's/ATOM_LINCROFT/ATOM_BONNELL_MID/' \
-e 's/ATOM_PENWELL/ATOM_SALTWELL_MID/g' \
-e 's/ATOM_CLOVERVIEW/ATOM_SALTWELL_TABLET/g' \
-e 's/ATOM_CEDARVIEW/ATOM_SALTWELL/g' \
-e 's/ATOM_SILVERMONT1/ATOM_SILVERMONT/g' \
-e 's/ATOM_SILVERMONT2/ATOM_SILVERMONT_X/g' \
-e 's/ATOM_MERRIFIELD/ATOM_SILVERMONT_MID/g' \
-e 's/ATOM_MOOREFIELD/ATOM_AIRMONT_MID/g' \
-e 's/ATOM_DENVERTON/ATOM_GOLDMONT_X/g' \
-e 's/ATOM_GEMINI_LAKE/ATOM_GOLDMONT_PLUS/g' ${i}
done
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: dave.hansen@linux.intel.com
Cc: len.brown@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Some users have been reporting issues with thunderbolt being turned off
before fully initialized. This is suspected to be caused by userspace
turning off the Thunderbolt controller using intel-wmi-thunderbolt
prematurely.
Userspace has already made some mitigations for this situation:
https://github.com/hughsie/fwupd/commit/ef6f1d76983c9b66https://github.com/hughsie/fwupd/commit/c07ce5b4889a5384
To allow easier debugging of this situation add output that can be turned
on with dynamic debugging to better root cause this problem.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199631
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=201227
Suggested-by: Mika Westerberg <mika.westerberg@intel.com>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reduce size of duplicated comments by switching to use SPDX identifier.
No functional change.
While here, correct MODULE_LICENSE() string to be aligned with license text.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reduce size of duplicated comments by switching to use SPDX identifier.
No functional change.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reduce size of duplicated comments by switching to use SPDX identifier.
No functional change.
While here, correct MODULE_LICENSE() string to be aligned with license text.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reduce size of duplicated comments by switching to use SPDX identifier.
No functional change.
While here, throw away some extra blank lines.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Sort headers alphabetically for better maintenance.
No functional change.
While here, remove unneeded linux/init.h inclusion and
move MODULE_DEVICE_TABLE() close to the table.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reduce size of duplicated comments by switching to use SPDX identifier.
No functional change.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Sort headers alphabetically for better maintenance.
No functional change.
While here, remove unneeded linux/init.h inclusion.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reduce size of duplicated comments by switching to use SPDX identifier.
No functional change.
While here, throw away some extra blank lines.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Andy Shevchenko