Commit Graph

2901 Commits

Author SHA1 Message Date
Mario Limonciello b004b21cc6 platform/x86: dell-smbios: Match on www.dell.com in OEM strings too
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>
2018-04-23 08:52:59 -07:00
Jia-Ju Bai 8fddfb39a4 platform: x86: intel_scu_ipc: Replace mdelay with usleep_range in intel_scu_ipc_i2c_cntrl
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>
2018-04-23 17:24:23 +03:00
Darren Hart (VMware) de15b94f87 platform/x86: fujitsu-laptop: Simplify soft key handling
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>
2018-04-19 16:25:54 -07:00
Linus Torvalds f6811370b9 Changes to chrome-platform for v4.17
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
  ...
2018-04-13 16:20:36 -07:00
Benson Leung c171d3b8a6
Merge remote-tracking branch 'origin/ib-chrome-platform-cros-ec-sysfs-debugfs-for-v4.17' into working-branch-for-4.17
Merging Enric's cros-ec sysfs and debugfs fixes from immutable branch.

Signed-off-by: Benson Leung <bleung@chromium.org>
2018-04-10 22:30:34 -07:00
Gwendal Grignou c1d1e91aff
platform/chrome: mfd/cros_ec_dev: Add sysfs entry to set keyboard wake lid angle
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>
2018-04-10 22:25:07 -07:00
Shawn Nematbakhsh b082b2e145
platform/chrome: cros_ec_debugfs: Add PD port info to debugfs
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>
2018-04-10 22:24:51 -07:00
Enric Balletbo i Serra f63192800e
platform/chrome: cros_ec_debugfs: Use octal permissions '0444'
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>
2018-04-10 22:24:16 -07:00
Enric Balletbo i Serra 7d800c99ec
platform/chrome: cros_ec_sysfs: use permission-specific DEVICE_ATTR variants
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>
2018-04-10 22:23:48 -07:00
Enric Balletbo i Serra 93afebbe69
platform/chrome: cros_ec_sysfs: introduce to_cros_ec_dev define.
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>
2018-04-10 22:22:49 -07:00
Gwendal Grignou 311394248c
platform/chrome: cros_ec_sysfs: Modify error handling
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>
2018-04-10 22:22:34 -07:00
Linus Torvalds a7726f6b61 platform-drivers-x86 for v4.17-1
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
  ...
2018-04-10 12:18:50 -07:00
Benson Leung 72655f6cf7 Merge remote-tracking branch 'chrome-platform-stop-being-a-platform-driver-plus-atmel_mxt_ts-for-v4.17' into working-branch-for-4.17 2018-04-09 23:00:04 -07:00
Salvatore Bellizzi f56db262e4 platform/chrome: cros_ec_lpc: Add support for Google devices using custom coreboot firmware
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>
2018-04-09 22:57:46 -07:00
Wenkai Du d6542b3916 platform/chrome: cros_ec_lpc: wake up from s2idle on Chrome EC
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>
2018-04-09 22:57:46 -07:00
Dmitry Torokhov c0bb0608ec platform/chrome: chromeos_laptop - discard data for unneeded boards
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>
2018-04-09 22:52:17 -07:00
Dmitry Torokhov f00c1d199e platform/chrome: chromeos_laptop - use device properties for Pixel
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>
2018-04-09 22:51:22 -07:00
Dmitry Torokhov e6215eeaa2 platform/chrome: chromeos_laptop - rely on I2C to set up interrupt trigger
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>
2018-04-09 22:49:59 -07:00
Dmitry Torokhov 8d88cb03c2 platform/chrome: chromeos_laptop - use I2C notifier to create devices
Instead of using platform device and deferrals to handle the case when i2C
adapters appear late in the game, and not handling device unbinding all
that well, let's switch to using I2C bus notifier to get told when a new
I2C adapter appears in the system, and attempt to add appropriate devices
at that time.

In case when we have 2 Designware adapters in the system (Acer C720),
instead of counting and hoping they get enumerate din the right order,
let's switch to using their PCI devids (slot/function) that should be
stable.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
2018-04-09 22:46:09 -07:00
Dmitry Torokhov 65582920d7 platform/chrome: chromeos_laptop - parse DMI IRQ data once
Instead of trying to parse DMI IRQ data every time we try to instantiate a
device, let's do it once, when we identify the device we are working with.
This allows us to mark chromeos_laptop_get_irq_from_dmi() as __init and
discard it once module is initialized.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
2018-04-09 22:44:53 -07:00
Dmitry Torokhov 28cd38f105 platform/chrome: chromeos_laptop - rework i2c peripherals initialization
Instead of having separate setup() functions responsible for instantiating
i2c client for each peripheral, let's generalize the behavior and use
common code for instantiating all i2c peripherals.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
2018-04-09 22:39:49 -07:00
Dmitry Torokhov ab6c5600d8 platform/chrome: chromeos_laptop - factor out getting IRQ from DMI
This will make code instantiating I2C device a bit clearer.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
2018-04-09 22:38:04 -07:00
Dmitry Torokhov 4f27f677c9 platform/chrome: chromeos_laptop - introduce pr_fmt()
Define pr_fmt() to standardize driver messages.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
2018-04-09 22:38:04 -07:00
Dmitry Torokhov ed58f90c11 platform/chrome: chromeos_laptop - stop setting suspend mode for Atmel devices
Atmel touch controller driver no longer respects suspend mode specified in
platform data, so let's stop setting it.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
2018-04-09 22:38:04 -07:00
Dmitry Torokhov 203e0baedb platform/chrome: chromeos_laptop - add SPDX identifier
Replace the original license statement with the SPDX identifier.
Add also one line of description as recommended by the COPYING file.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
2018-04-09 22:38:04 -07:00
Linus Torvalds 672a9c1069 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  kfifo: fix inaccurate comment
  tools/thermal: tmon: fix for segfault
  net: Spelling s/stucture/structure/
  edd: don't spam log if no EDD information is present
  Documentation: Fix early-microcode.txt references after file rename
  tracing: Block comments should align the * on each line
  treewide: Fix typos in printk
  GenWQE: Fix a typo in two comments
  treewide: Align function definition open/close braces
2018-04-05 11:56:35 -07:00
Linus Torvalds ac9053d2dc USB/PHY patches for 4.17-rc1
Here is the big set of USB and PHY driver patches for 4.17-rc1.
 
 Lots of USB typeC work happened this round, with code moving from the
 staging directory into the "real" part of the kernel, as well as new
 infrastructure being added to be able to handle the different types of
 "roles" that typeC requires.
 
 There is also the normal huge set of USB gadget controller and driver
 updates, along with XHCI changes, and a raft of other tiny fixes all
 over the USB tree.  And the PHY driver updates are merged in here as
 well as they interacted with the USB drivers in some places.
 
 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-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY updates from Greg KH:
 "Here is the big set of USB and PHY driver patches for 4.17-rc1.

  Lots of USB typeC work happened this round, with code moving from the
  staging directory into the "real" part of the kernel, as well as new
  infrastructure being added to be able to handle the different types of
  "roles" that typeC requires.

  There is also the normal huge set of USB gadget controller and driver
  updates, along with XHCI changes, and a raft of other tiny fixes all
  over the USB tree. And the PHY driver updates are merged in here as
  well as they interacted with the USB drivers in some places.

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

* tag 'usb-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (250 commits)
  Revert "USB: serial: ftdi_sio: add Id for Physik Instrumente E-870"
  usb: musb: gadget: misplaced out of bounds check
  usb: chipidea: imx: Fix ULPI on imx53
  usb: chipidea: imx: Cleanup ci_hdrc_imx_platform_flag
  usb: chipidea: usbmisc: small clean up
  usb: chipidea: usbmisc: evdo can be set e/o reset
  usb: chipidea: usbmisc: evdo is only specific to OTG port
  USB: serial: ftdi_sio: add Id for Physik Instrumente E-870
  usb: dwc3: gadget: never call ->complete() from ->ep_queue()
  usb: gadget: udc: core: update usb_ep_queue() documentation
  usb: host: Remove the deprecated ATH79 USB host config options
  usb: roles: Fix return value check in intel_xhci_usb_probe()
  USB: gadget: f_midi: fixing a possible double-free in f_midi
  usb: core: Add USB_QUIRK_DELAY_CTRL_MSG to usbcore quirks
  usb: core: Copy parameter string correctly and remove superfluous null check
  USB: announce bcdDevice as well as idVendor, idProduct.
  USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw
  usb: hub: Reduce warning to notice on power loss
  USB: serial: ftdi_sio: add support for Harman FirmwareHubEmulator
  USB: serial: cp210x: add ELDAT Easywave RX09 id
  ...
2018-04-04 17:55:35 -07:00
Alexander Kappner a986c75a7d platform/x86: thinkpad_acpi: Add 2nd Fan Support for Thinkpad P50
The Thinkpad P50 has 2 fans. Add the 2FAN quirk so the tpacpi driver
properly reports both fan speeds.
Because the P50 doesn't report the version of its EC controller,
we need to identify it by BIOS version (N1).

Signed-off-by: Alexander Kappner <agk@godking.net>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
[andy: renamed macro, massaged changelog]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-04-03 11:06:04 +03:00
Dan Carpenter 0e5b09b165 platform/x86: dell-smbios: Fix memory leaks in build_tokens_sysfs()
We're freeing "value_name" which is NULL, so that's a no-op, but we
intended to free "location_name" instead.  And then we don't free the
names in token_location_attrs[0] and token_value_attrs[0].

Fixes: 33b9ca1e53 ("platform/x86: dell-smbios: Add a sysfs interface for SMBIOS tokens")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-04-02 18:28:45 +03:00
Alex Hung 2b5de0cc1f intel-hid: support KEY_ROTATE_LOCK_TOGGLE
KEY_ROTATE_LOCK_TOGGLE is introduced in 4.16 rc1 and this key event is
emitted on Wacom MobileStudio Pro 13.

Signed-off-by: Alex Hung <alex.hung@canonical.com>
Co-developed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-04-02 18:26:59 +03:00
Alex Hung 28e8ed2a01 intel-hid: clean up and sort header files
Removed unused header files and sorted them alphabetically. No
functional changes are made.

Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-04-02 17:54:42 +03:00
Hans de Goede 24e2bb311f platform/x86: silead_dmi: Add entry for the Yours Y8W81 tablet
Add an entry with touchscreen info for the Yours Y8W81 8" tablet.

This tablet has the same case and mostly the same internals as the Chuwi
Vi8. Both seem to be from an ODM called inet-tek. Both are labelled:
"INET-I86M-REVxx" on the PCB, with the Chuwi Vi8 being REV03 (and having
an ALC5640 audio codec) and the Yours Y8W81 being REV21 (and having an
ALC5651 audio codec). The wifi, accelerometer and touchscreen are
identical on both.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-04-02 17:31:50 +03:00
Rafael J. Wysocki 0c9ed61bdd Merge branches 'acpi-battery', 'acpi-doc' and 'acpi-pmic'
* acpi-battery:
  Revert "ACPI: battery: Add the ThinkPad "Not Charging" quirk"
  ACPI: battery: do not export degraded capacity values over 100
  ACPI: battery: make function __battery_hook_unregister() static
  ACPI: battery: Add the ThinkPad "Not Charging" quirk
  thinkpad_acpi: Add support for battery thresholds
  power: add to_power_supply macro to the API
  battery: Add the battery hooking API

* acpi-doc:
  ACPI: sysfs: Update device object sysfs documentation

* acpi-pmic:
  ACPI / PMIC: Replace license boilerplate with SPDX license identifier
2018-04-02 10:58:13 +02:00
Joe Perches 447a5647c9 treewide: Align function definition open/close braces
Some functions definitions have either the initial open brace and/or
the closing brace outside of column 1.

Move those braces to column 1.

This allows various function analyzers like gnu complexity to work
properly for these modified functions.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2018-03-26 11:13:09 +02:00
Jan-Marek Glogowski 797195a376 platform/x86: fujitsu-laptop: Support Lifebook U7x7 hotkeys
Generate input events for hotkeys present in Fujitsu Lifebook
U727 and U757 laptops:
  - Fn+F1 (KEY_MICMUTE)
  - Fn+F5 (KEY_RFKILL)

Signed-off-by: Jan-Marek Glogowski <glogow@fbihome.de>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-23 16:14:29 -07:00
Vadim Pasternak ef0f62264b platform/x86: mlx-platform: Add physical bus number auto detection
mlx-platform does not provide a bus number to i2c-mlxcpld, assuming it
is always one. On some x86 systems, other i2c drivers may probe before
i2c-mlxcpld, causing bus one to be busy.

Make mlx-platform determine which adapter number is free prior to
activating i2c-mlxpld, adjusting the mux base numbers accordingly.
Update the mlxreg-hotplug pdata similarly.

This adds an explicit mlx-platform build dependency on I2C, update the
Kconfig accordingly. Add the missing REGMAP dependency while we're at
it.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
[dvhart: Rewrite commit message more concisely]
[dvhart: Add build dependencies]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-23 16:14:29 -07:00
Vadim Pasternak f709e1bfb0 platform/mellanox: mlxreg-hotplug: Change input for device create routine
Change the first input parameter in mlxreg_hotplug_device_create to the
pointer to mlxreg_hotplug private data in order to use the fields from
the private data structure.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
[dvhart: Cleaned up commit message]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-23 16:14:28 -07:00
Vadim Pasternak d726f6b199 platform/x86: mlx-platform: Add deffered bus functionality
mlx-platform activates i2c-mux-reg, which creates buses needed by
mlxreg-hotplug. If the mlxreg-hotplug probe runs before the i2c-mux-reg
probe completes, it may attempt to connect a device to an adapter number
that has not been created yet, and fail.

Make mlx-platform driver record the highest bus number in mlxreg-hotplug
platform data and defer mlxreg-hotplug probe until all the buses are
created.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
[dvhart: rewrite commit message more concisely]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-23 16:14:28 -07:00
Vadim Pasternak d066f144d6 platform/x86: mlx-platform: Use define for the channel numbers
Add define for the channels number for mux device, instead of using
hardcoded value inside the code in order to improve code readability.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-23 16:14:27 -07:00
Hans de Goede 29b4aec2f4 platform/x86: intel_cht_int33fe: Add device connections for the Type-C port
We need to add device-connections for the Type-C mux/switch and usb-role
code to be able to find the PI3USB30532 Type-C cross-switch and the
device/host role-switch integrated in the CHT SoC.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-22 13:49:28 +01:00
Michał Kępień 502ab004e6 platform/x86: fujitsu-laptop: Revert UNSUPPORTED_CMD back to an int
UNSUPPORTED_CMD was previously 0x80000000 (int), but commit 819cddae7c
("platform/x86: fujitsu-laptop: Clean up constants") changed it into an
unsigned long due to BIT() being used to define it.  As call_fext_func()
returns an int, 0x80000000 would get type promoted when compared to an
unsigned long, which on a 64-bit system would cause it to become
0xffffffff80000000 due to sign extension.  This causes one logical
condition in fujitsu-laptop to always be true and another one to always
be false on 64-bit systems.  Fix this by reverting UNSUPPORTED_CMD back
to an int.

This patch fixes the following smatch warnings:

drivers/platform/x86/fujitsu-laptop.c:763 acpi_fujitsu_laptop_leds_register() warn: always true condition '(call_fext_func(device, ((1 << (12)) | (1 << (0))), 2, (1 << (16)), 0) != (1 << (31))) => (s32min-s32max != 2147483648)'
drivers/platform/x86/fujitsu-laptop.c:816 acpi_fujitsu_laptop_add() warn: impossible condition '(priv->flags_supported == (1 << (31))) => (0-2147483647,18446744071562067968-u64max == 2147483648)'

Fixes: 819cddae7c ("platform/x86: fujitsu-laptop: Clean up constants")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-21 16:28:14 -07:00
Linus Torvalds 274a1ff070 platform-drivers-x86 for v4.16-7
DELL_SMBIOS conditionally depends on ACPI_WMI in the same way it depends
 on DCDBAS, update the Kconfig accordingly. Correct the driver init order
 to ensure that the driver dependencies are met, avoiding race conditions
 resulting in boot failure on certain systems when the drivers are
 built-in.
 
 The following is an automated git shortlog grouped by driver:
 
 dell-smbios and related drivers:
  - Fix dell driver init order
  - Resolve dependency error on ACPI_WMI
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Merge tag 'platform-drivers-x86-v4.16-7' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform drives fixes from Darren Hart:

 - DELL_SMBIOS conditionally depends on ACPI_WMI in the same way it
   depends on DCDBAS, update the Kconfig accordingly.

 - fix the dell driver init order to ensure that the driver dependencies
   are met, avoiding race conditions resulting in boot failure on
   certain systems when the drivers are built-in.

* tag 'platform-drivers-x86-v4.16-7' of git://git.infradead.org/linux-platform-drivers-x86:
  platform/x86: Fix dell driver init order
  platform/x86: dell-smbios: Resolve dependency error on ACPI_WMI
2018-03-14 13:01:14 -07:00
Darren Hart (VMware) 49368c1321 platform/x86: Fix dell driver init order
Update the initcall ordering to satisfy the following dependency
ordering:

1. DCDBAS, ACPI_WMI
2. DELL_SMBIOS, DELL_RBTN
3. DELL_LAPTOP, DELL_WMI

By assigning them to the following initcall levels:

subsys_initcall: DCDBAS, ACPI_WMI
module_init: DELL_SMBIOS, DELL_RBTN
late_initcall: DELL_LAPTOP, DELL_WMI

Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Mario.Limonciello@dell.com
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-14 11:05:53 -07:00
Darren Hart 75073a64a9 platform/x86: dell-smbios: Resolve dependency error on ACPI_WMI
Similarly to DCDBAS for DELL_SMBIOS_SMM, if DELL_SMBIOS_WMI is enabled,
DELL_SMBIOS becomes dependent on ACPI_WMI. Update the depends lines to
prevent a configuration where DELL_SMBIOS=y and either backend
dependency =m. Update the comment accordingly.

Cc: Mario Limonciello <mario.limonciello@dell.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-14 11:05:43 -07:00
Darren Hart (VMware) 7129707ec2 platform/x86: Fix dell driver init order
Update the initcall ordering to satisfy the following dependency
ordering:

1. DCDBAS, ACPI_WMI
2. DELL_SMBIOS, DELL_RBTN
3. DELL_LAPTOP, DELL_WMI

By assigning them to the following initcall levels:

subsys_initcall: DCDBAS, ACPI_WMI
module_init: DELL_SMBIOS, DELL_RBTN
late_initcall: DELL_LAPTOP, DELL_WMI

Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Mario.Limonciello@dell.com
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-14 10:48:06 -07:00
Darren Hart 4716007c23 platform/x86: dell-smbios: Resolve dependency error on ACPI_WMI
Similarly to DCDBAS for DELL_SMBIOS_SMM, if DELL_SMBIOS_WMI is enabled,
DELL_SMBIOS becomes dependent on ACPI_WMI. Update the depends lines to
prevent a configuration where DELL_SMBIOS=y and either backend
dependency =m. Update the comment accordingly.

Cc: Mario Limonciello <mario.limonciello@dell.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-12 13:31:38 -07:00
Linus Torvalds b3337a6c35 platform-drivers-x86 for v4.16-6
Correct a module loading race condition between the DELL_SMBIOS backend
 modules and the first user by converting them to bool features of the
 DELL_SMBIOS driver. Fixup the resulting Kconfig dependency issue with
 DCDBAS.
 
 The following is an automated git shortlog grouped by driver:
 
  -  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
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Merge tag 'platform-drivers-x86-v4.16-6' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver fixes from Darren Hart:
 "Correct a module loading race condition between the DELL_SMBIOS
  backend modules and the first user by converting them to bool features
  of the DELL_SMBIOS driver. Fixup the resulting Kconfig dependency
  issue with DCDBAS"

* tag 'platform-drivers-x86-v4.16-6' of git://git.infradead.org/linux-platform-drivers-x86:
  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
2018-03-10 08:35:29 -08:00
Darren Hart (VMware) 32d7b19bad platform/x86: dell-smbios: Resolve dependency error on DCDBAS
When the DELL_SMBIOS_SMM backend is enabled, the DELL_SMBIOS symbol
depends on DELL_DCDBAS, and we must avoid the situation where
DELL_SMBIOS=y and DCDBAS=m.

Adding the conditional dependency to DELL_SMBIOS such as:

depends !DELL_SMBIOS_SMM || (DCDBAS || DCDBAS=n)

results in the Kconfig tooling complaining about a circular dependency,
although it appears to work in practice.

Avoid the errors by simplifying the dependency and forcing DELL_SMBIOS
to be <= DCDBAS if DCDBAS is enabled (thanks to Greg KH for the
suggestion).

Cc: Mario.Limonciello@dell.com
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-09 09:35:46 -08:00
Darren Hart (VMware) 329d58b890 platform/x86: Allow for SMBIOS backend defaults
Avoid accidental configurations by setting default y for DELL_SMBIOS
backends. Avoid this impacting the default build size, by making them
dependent on DELL_SMBIOS, so they only appear when DELL_SMBIOS is
manually selected, or by DELL_LAPTOP or DELL_WMI.

While DELL_SMBIOS does have a prompt, it does not have any dependencies.
Keeping DELL_SMBIOS visible, despite being "select"ed by DELL_LAPTOP and
DELL_WMI, is a deliberate choice to provide context for the WMI and SMM
backends, which would otherwise appear to float without context within
the menu.

Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-09 09:35:44 -08:00
Mario Limonciello 25d47027e1 platform/x86: dell-smbios: Link all dell-smbios-* modules together
Some race conditions were raised due to dell-smbios and its backends
not being ready by the time that a consumer would call one of the
exported methods.

To avoid this problem, guarantee that all initialization has been
done by linking them all together and running init for them all.

As part of this change the Kconfig needs to be adjusted so that
CONFIG_DELL_SMBIOS_SMM and CONFIG_DELL_SMBIOS_WMI are boolean
rather than modules.

CONFIG_DELL_SMBIOS is a visually selectable option again and both
CONFIG_DELL_SMBIOS_WMI and CONFIG_DELL_SMBIOS_SMM are optional.

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
[dvhart: Update prompt and help text for DELL_SMBIOS_* backends]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-09 09:35:42 -08:00
Mario Limonciello 94f77cb168 platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-base
This is being done to faciliate a later change to link all the dell-smbios
drivers together.

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-09 09:35:30 -08:00
Mario Limonciello b53539625e platform/x86: dell-smbios: Correct some style warnings
WARNING: function definition argument 'struct calling_interface_buffer *'
should also have an identifier name
+       int (*call_fn)(struct calling_interface_buffer *);

WARNING: Block comments use * on subsequent lines
+       /* 4 bytes of table header, plus 7 bytes of Dell header,
	plus at least
+          6 bytes of entry */

WARNING: Block comments use a trailing */ on a separate line
+          6 bytes of entry */

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-09 09:35:16 -08:00
Darren Hart (VMware) cc69c88fbe platform/x86: dell-smbios: Resolve dependency error on DCDBAS
When the DELL_SMBIOS_SMM backend is enabled, the DELL_SMBIOS symbol
depends on DELL_DCDBAS, and we must avoid the situation where
DELL_SMBIOS=y and DCDBAS=m.

Adding the conditional dependency to DELL_SMBIOS such as:

depends !DELL_SMBIOS_SMM || (DCDBAS || DCDBAS=n)

results in the Kconfig tooling complaining about a circular dependency,
although it appears to work in practice.

Avoid the errors by simplifying the dependency and forcing DELL_SMBIOS
to be <= DCDBAS if DCDBAS is enabled (thanks to Greg KH for the
suggestion).

Cc: Mario.Limonciello@dell.com
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-08 13:37:26 -08:00
Dmitry Torokhov fc88bbdae0 Revert "platform/chrome: chromeos_laptop: make chromeos_laptop const"
This reverts commit a376cd9160 because
chromeos_laptop instances should not be marked as "const" (at this
time), since i2c_peripheral is being modified (we change "state" and
"tries") when we instantiate devices.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
2018-03-07 21:18:04 -08:00
Darren Hart (VMware) c715e43455 platform/x86: Allow for SMBIOS backend defaults
Avoid accidental configurations by setting default y for DELL_SMBIOS
backends. Avoid this impacting the default build size, by making them
dependent on DELL_SMBIOS, so they only appear when DELL_SMBIOS is
manually selected, or by DELL_LAPTOP or DELL_WMI.

While DELL_SMBIOS does have a prompt, it does not have any dependencies.
Keeping DELL_SMBIOS visible, despite being "select"ed by DELL_LAPTOP and
DELL_WMI, is a deliberate choice to provide context for the WMI and SMM
backends, which would otherwise appear to float without context within
the menu.

Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-05 15:35:33 -08:00
Mario Limonciello 41e36f2f85 platform/x86: dell-smbios: Link all dell-smbios-* modules together
Some race conditions were raised due to dell-smbios and its backends
not being ready by the time that a consumer would call one of the
exported methods.

To avoid this problem, guarantee that all initialization has been
done by linking them all together and running init for them all.

As part of this change the Kconfig needs to be adjusted so that
CONFIG_DELL_SMBIOS_SMM and CONFIG_DELL_SMBIOS_WMI are boolean
rather than modules.

CONFIG_DELL_SMBIOS is a visually selectable option again and both
CONFIG_DELL_SMBIOS_WMI and CONFIG_DELL_SMBIOS_SMM are optional.

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
[dvhart: Update prompt and help text for DELL_SMBIOS_* backends]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-02 16:56:45 -08:00
Mario Limonciello ec34fe3859 platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-base
This is being done to faciliate a later change to link all the dell-smbios
drivers together.

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-02 16:11:02 -08:00
Mario Limonciello 98c76a3904 platform/x86: dell-smbios: Correct some style warnings
WARNING: function definition argument 'struct calling_interface_buffer *'
should also have an identifier name
+       int (*call_fn)(struct calling_interface_buffer *);

WARNING: Block comments use * on subsequent lines
+       /* 4 bytes of table header, plus 7 bytes of Dell header,
	plus at least
+          6 bytes of entry */

WARNING: Block comments use a trailing */ on a separate line
+          6 bytes of entry */

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-02 16:11:02 -08:00
Joe Perches 1cedc6385d platform/x86: wmi: Fix misuse of vsprintf extension %pULL
%pULL doesn't officially exist but %pUL does.

Miscellanea:

o Add missing newlines to a couple logging messages

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-01 10:01:39 -08:00
Joe Perches 501f7e52de platform/x86: wmi: Fix misuse of vsprintf extension %pULL
%pULL doesn't officially exist but %pUL does.

Miscellanea:

o Add missing newlines to a couple logging messages

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-03-01 09:57:04 -08:00
Rafael J. Wysocki 38c08aa54b platform/x86: intel-hid: Reset wakeup capable flag on removal
The intel-hid device will not be able to wake up the system any more
after removing the notify handler provided by its driver, so make
its sysfs attributes reflect that.

Fixes: ef884112e5 (platform: x86: intel-hid: Wake up the system from suspend-to-idle)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-03-01 13:08:25 +02:00
Rafael J. Wysocki b758dbd576 platform/x86: intel-vbtn: Reset wakeup capable flag on removal
The intel-vbtn device will not be able to wake up the system any more
after removing the notify handler provided by its driver, so make
its sysfs attributes reflect that.

Fixes: 91f9e850d4 (platform: x86: intel-vbtn: Wake up the system from suspend-to-idle)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-03-01 13:08:25 +02:00
Rafael J. Wysocki 356b57752c platform/x86: intel-hid: Reset wakeup capable flag on removal
The intel-hid device will not be able to wake up the system any more
after removing the notify handler provided by its driver, so make
its sysfs attributes reflect that.

Fixes: ef884112e5 (platform: x86: intel-hid: Wake up the system from suspend-to-idle)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-28 14:26:27 +02:00
Rafael J. Wysocki 250b044e1a platform/x86: intel-vbtn: Reset wakeup capable flag on removal
The intel-vbtn device will not be able to wake up the system any more
after removing the notify handler provided by its driver, so make
its sysfs attributes reflect that.

Fixes: 91f9e850d4 (platform: x86: intel-vbtn: Wake up the system from suspend-to-idle)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-28 14:26:27 +02:00
Mario Limonciello de9647efea platform/x86: intel-vbtn: Only activate tablet mode switch on 2-in-1's
Some laptops such as the XPS 9360 support the intel-vbtn INT33D6
interface but don't initialize the bit that intel-vbtn uses to
represent switching tablet mode.

By running this only on real 2-in-1's it shouldn't cause false
positives.

Fixes: 30323fb6d5 ("Support tablet mode switch")
Reported-by: Jeremy Cline <jeremy@jcline.org>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Tested-by: Jeremy Cline <jeremy@jcline.org>
Tested-by: Darren Hart (VMware) <dvhart@infradead.org>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-25 08:02:40 -08:00
Mario Limonciello 027d50ccd6 platform/x86: intel-vbtn: Only activate tablet mode switch on 2-in-1's
Some laptops such as the XPS 9360 support the intel-vbtn INT33D6
interface but don't initialize the bit that intel-vbtn uses to
represent switching tablet mode.

By running this only on real 2-in-1's it shouldn't cause false
positives.

Fixes: 30323fb6d5 ("Support tablet mode switch")
Reported-by: Jeremy Cline <jeremy@jcline.org>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Tested-by: Jeremy Cline <jeremy@jcline.org>
Tested-by: Darren Hart (VMware) <dvhart@infradead.org>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-24 13:37:37 -08:00
Michał Kępień 819cddae7c platform/x86: fujitsu-laptop: Clean up constants
Align all constant values defined in the module to a common indentation.
Rename ACPI_FUJITSU_NOTIFY_CODE1 to ACPI_FUJITSU_NOTIFY_CODE as there is
only one ACPI notification code used throughout the driver.  Define all
bitmasks using the BIT() macro.  Clean up comments.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-24 13:37:36 -08:00
Michał Kępień 2f60efa1e4 platform/x86: fujitsu-laptop: Define constants for backlight power control
Use named constants instead of integers in call_fext_func() invocations
related to backlight power control in order to more clearly convey the
intent of each call.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-24 13:37:36 -08:00
Michał Kępień 7e6f97959a platform/x86: fujitsu-laptop: Do not include linux/slab.h
Do not include linux/slab.h as all module code now uses managed memory
allocations and thus neither k*alloc() nor kfree() is used.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-24 13:37:36 -08:00
Michał Kępień 6cb1192f56 platform/x86: fujitsu-laptop: Clearly distinguish module parameters
In order to improve code clarity, move declarations of variables that
are module parameters higher up and add a comment.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-24 13:37:36 -08:00
Michał Kępień 7f83d41044 platform/x86: fujitsu-laptop: Simplify error paths
Replace the last few lines of acpi_fujitsu_bl_add() with a simple return
in order to improve code readability without changing the logic.

As acpi_fujitsu_laptop_add() uses a managed memory allocation for
device-specific data, it is fine to just return immediately upon kfifo
allocation failure.  Do that instead of jumping to the end of the
function to improve code readability.  Running out of memory while
allocating the kfifo does not seem probable enough to warrant logging an
error message, so do not do it.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-24 13:37:36 -08:00
Michał Kępień a7a1ccbee3 platform/x86: fujitsu-laptop: Defer input device registration
Only register input devices after the device-specific data structures
they access are fully initialized.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-24 13:37:35 -08:00
Michał Kępień 14966e0277 platform/x86: fujitsu-laptop: Unify local variable naming
Different functions in the module use varying names (error, result,
status) for a local variable storing the return value of a function call
that has to be checked for errors.  Use a common name (ret) for all
these local variables to improve code consistency.  Merge integer
variable declarations in acpi_fujitsu_laptop_add() into one line.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-24 13:37:35 -08:00
Hans de Goede 5488bfdf9f platform/x86: silead_dmi: Add DMI match for the I.T.Works TW701 tablet
The I.T.Works TW701 7" tablet is a differently branded version of the
same generic 7" Windows tablet as the Trekstor ST70416-6. Add a DMI
match-table entry for it pointing to the Trekstor's touchscreen info.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-23 18:43:42 +02:00
Guillaume Douézan-Grard 1019b93712 platform/x86: topstar-laptop: replace licence text with SPDX tag
Replace verbatim GPLv2 license copy with SPDX identifier.

Signed-off-by: Guillaume Douézan-Grard <gdouezangrard@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-23 18:43:42 +02:00
Guillaume Douézan-Grard 7a580200d6 platform/x86: topstar-laptop: update copyright and fix some comments
Add myself as an author of the driver.

Signed-off-by: Guillaume Douézan-Grard <gdouezangrard@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-23 18:43:41 +02:00
Guillaume Douézan-Grard bf8f65da31 platform/x86: topstar-laptop: add Topstar U931/RVP7 WLAN LED workaround
Topstar U931 laptops provide a LED synced with the WLAN adapter
hard-blocking state. Unfortunately, some models seem to be defective,
making impossible to hard-block the adapter with the WLAN switch and
thus the LED is useless.

An ACPI method is available to programmatically control this switch and
it indirectly allows to control the LED.

This commit registers the LED within the corresponding subsystem, making
possible for instance to use an rfkill-based trigger to synchronize the
LED with the device state.

This workaround is enabled automatically for Topstar U931/RVP7 laptops
based on a DMI check.

Signed-off-by: Guillaume Douézan-Grard <gdouezangrard@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-23 18:43:41 +02:00
Guillaume Douézan-Grard 2c531437dd platform/x86: topstar-laptop: add platform device
* add a platform device to support further addition of a led subsystem,

* register the existing input device to this platform device.

Signed-off-by: Guillaume Douézan-Grard <gdouezangrard@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-23 18:43:41 +02:00
Guillaume Douézan-Grard 3093ced236 platform/x86: topstar-laptop: split ACPI events and input handling
* get the `acpi_device` from the `topstar_laptop` struct,

* split input registering and `sparse_keymap` events from ACPI events
handling,

* use notify, init and exit functions for ACPI and input handling

Signed-off-by: Guillaume Douézan-Grard <gdouezangrard@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-23 18:43:40 +02:00
Guillaume Douézan-Grard 66aa0d606b platform/x86: topstar-laptop: use consistent naming scheme
* use module prefix naming scheme for functions and programming
constructs,

* consistent label names

Signed-off-by: Guillaume Douézan-Grard <gdouezangrard@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-23 18:43:40 +02:00
Guillaume Douézan-Grard 82acad40ca platform/x86: topstar-laptop: revert "convert to module_acpi_driver()"
Revert commit
  15165594da ("topstar-laptop: convert to module_acpi_driver()")
to later add a platform device.

Signed-off-by: Guillaume Douézan-Grard <gdouezangrard@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-23 18:43:40 +02:00
Andy Shevchenko cedb3b2a7d platform/x86: wmi: Replace list_for_each() by list_for_each_entry()
In all cases list_for_each() followed by list_entry(),
so, replace them by list_for_each_entry() macro.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-23 18:43:39 +02:00
Ognjen Galic 2801b9683f thinkpad_acpi: Add support for battery thresholds
1) Charge start threshold
/sys/class/power_supply/BATN/charge_start_threshold

Valid values are [0, 99]. A value of 0 turns off the
start threshold wear control.

2) Charge stop threshold
/sys/class/power_supply/BATN/charge_stop_threshold

Valid values are [1, 100]. A value of 100 turns off
the stop threshold wear control. This must be
configured first.

Signed-off-by: Ognjen Galic <smclt30p@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-02-21 23:27:13 +01:00
Andy Shevchenko 7f166addbe platform/x86: wmi: Replace kmalloc + sprintf() with kasprintf()
kasprintf() does the job of two: kmalloc() and sprintf().
Replace two calls with one.

Reviewed-by: Darren Hart (VMware) <dvhart@infradead.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-19 17:03:43 +02:00
Srinivas Pandruvada 04e4e88855 platform/x86: intel_turbo_max_3: Remove restriction for HWP platforms
On systems supporting HWP (Hardware P-States) mode, we expected to
enumerate core priority via ACPI-CPPC tables. Unfortunately deployment of
TURBO 3.0 didn't use this method to show core priority. So users are not
able to utilize this feature in HWP mode.

So remove the loading restriction of this driver for HWP enabled systems.
Even if there are some systems, which are providing the core priority via
ACPI CPPC, this shouldn't cause any conflict as the source of priority
definition is same.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reported-and-tested-and-reviewed-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-15 12:21:48 +02:00
Colin Ian King b1ca80e4a2 platform/x86: GPD pocket fan: fix spelling mistake: "Mill-celcius" -> "millicelsius"
Trivial fix to spelling mistake in MODULE_PARM_DESC text and remove
unnecessary hyphen.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-15 12:21:48 +02:00
Alexander Abrosimov c8ba9db2a7 platform/x86: dell-laptop: Removed duplicates in DMI whitelist
Fixed a mistake in which several entries were duplicated in the DMI list
from the below commit
fe486138 platform/x86: dell-laptop: Add 2-in-1 devices to the DMI whitelist

Signed-off-by: Alexander Abrosimov <alexander.n.abrosimov@gmail.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-15 12:18:33 +02:00
Laszlo Toth eca39e7f0c platform/x86: dell-laptop: fix kbd_get_state's request value
Commit 9862b43624 ("platform/x86: dell-laptop: Allocate buffer on heap
rather than globally")
broke one request, changed it back to the original value.

Tested on a Dell E6540, backlight came back.

Fixes: 9862b43624 ("platform/x86: dell-laptop: Allocate buffer on heap rather than globally")
Signed-off-by: Laszlo Toth <laszlth@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>
2018-02-15 12:18:33 +02:00
Aaron Ma ed5b9ba7be platform/x86: ideapad-laptop: Increase timeout to wait for EC answer
Lenovo E41-20 needs more time than 100ms to read VPC,
the funtion keys always failed responding.
Increase timeout to get the value from VPC, then
the funtion keys like mic mute key work well.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-15 12:18:32 +02:00
Andrey Ryabinin 6e1d8ea909 platform/x86: wmi: fix off-by-one write in wmi_dev_probe()
wmi_dev_probe() allocates one byte less than necessary, thus
subsequent sprintf() call writes trailing zero past the end
of the 'buf':

    BUG: KASAN: slab-out-of-bounds in vsnprintf+0xda4/0x1240
    Write of size 1 at addr ffff880423529caf by task kworker/1:1/32

    Call Trace:
     dump_stack+0xb3/0x14d
     print_address_description+0xd7/0x380
     kasan_report+0x166/0x2b0
     vsnprintf+0xda4/0x1240
     sprintf+0x9b/0xd0
     wmi_dev_probe+0x1c3/0x400
     driver_probe_device+0x5d1/0x990
     bus_for_each_drv+0x109/0x190
     __device_attach+0x217/0x360
     bus_probe_device+0x1ad/0x260
     deferred_probe_work_func+0x10f/0x5d0
     process_one_work+0xa8b/0x1dc0
     worker_thread+0x20d/0x17d0
     kthread+0x311/0x3d0
     ret_from_fork+0x3a/0x50

    Allocated by task 32:
     kasan_kmalloc+0xa0/0xd0
     __kmalloc+0x14f/0x3e0
     wmi_dev_probe+0x182/0x400
     driver_probe_device+0x5d1/0x990
     bus_for_each_drv+0x109/0x190
     __device_attach+0x217/0x360
     bus_probe_device+0x1ad/0x260
     deferred_probe_work_func+0x10f/0x5d0
     process_one_work+0xa8b/0x1dc0
     worker_thread+0x20d/0x17d0
     kthread+0x311/0x3d0
     ret_from_fork+0x3a/0x50

Increment allocation size to fix this.

Fixes: 44b6b76611 ("platform/x86: wmi: create userspace interface for drivers")
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-02-15 12:18:32 +02:00
Linus Torvalds a9a08845e9 vfs: do bulk POLL* -> EPOLL* replacement
This is the mindless scripted replacement of kernel use of POLL*
variables as described by Al, done by this script:

    for V in IN OUT PRI ERR RDNORM RDBAND WRNORM WRBAND HUP RDHUP NVAL MSG; do
        L=`git grep -l -w POLL$V | grep -v '^t' | grep -v /um/ | grep -v '^sa' | grep -v '/poll.h$'|grep -v '^D'`
        for f in $L; do sed -i "-es/^\([^\"]*\)\(\<POLL$V\>\)/\\1E\\2/" $f; done
    done

with de-mangling cleanups yet to come.

NOTE! On almost all architectures, the EPOLL* constants have the same
values as the POLL* constants do.  But they keyword here is "almost".
For various bad reasons they aren't the same, and epoll() doesn't
actually work quite correctly in some cases due to this on Sparc et al.

The next patch from Al will sort out the final differences, and we
should be all done.

Scripted-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-02-11 14:34:03 -08:00
Linus Torvalds cc5cb5af3a platform-drivers-x86 for v4.16-3
Mellanox fixes and new system type support.
 
 The following is an automated git shortlog grouped by driver:
 
 mlx-platform:
  -  Add support for new 200G IB and Ethernet systems
  -  Add support for new msn201x system type
  -  Add support for new msn274x system type
  -  Fix power cable setting for msn21xx family
  -  Add define for the negative bus
  -  Use defines for bus assignment
 
 platform/mellanox:
  -  mlxreg-hotplug: Fix uninitialized variable
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Merge tag 'platform-drivers-x86-v4.16-3' of git://github.com/dvhart/linux-pdx86

Pull x86 platform driver updates from Darren Hart:
 "Mellanox fixes and new system type support.

  Mostly data for new system types with a correction and an
  uninitialized variable fix"

[ Pulling from github because git.infradead.org currently seems to be
  down for some reason, but Darren had a backup location    - Linus ]

* tag 'platform-drivers-x86-v4.16-3' of git://github.com/dvhart/linux-pdx86:
  platform/x86: mlx-platform: Add support for new 200G IB and Ethernet systems
  platform/x86: mlx-platform: Add support for new msn201x system type
  platform/x86: mlx-platform: Add support for new msn274x system type
  platform/x86: mlx-platform: Fix power cable setting for msn21xx family
  platform/x86: mlx-platform: Add define for the negative bus
  platform/x86: mlx-platform: Use defines for bus assignment
  platform/mellanox: mlxreg-hotplug: Fix uninitialized variable
2018-02-10 13:55:33 -08:00
Linus Torvalds e9d46f74ec chrome-platform-for-linus-4.16
Moving cros_ec_dev to drivers/mfd.
 Other small maintenance fixes.
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Merge tag 'chrome-platform-for-linus-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform

Pull chrome platform updates from Benson Leung:

 - move cros_ec_dev to drivers/mfd

 - other small maintenance fixes

[ The cros_ec_dev movement came in earlier through the MFD tree  - Linus ]

* tag 'chrome-platform-for-linus-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
  platform/chrome: Use proper protocol transfer function
  platform/chrome: cros_ec_lpc: Add support for Google Glimmer
  platform/chrome: cros_ec_lpc: Register the driver if ACPI entry is missing.
  platform/chrome: cros_ec_lpc: remove redundant pointer request
  cros_ec: fix nul-termination for firmware build info
  platform/chrome: chromeos_laptop: make chromeos_laptop const
2018-02-10 13:50:23 -08:00
Vadim Pasternak 1bd42d94cc platform/x86: mlx-platform: Add support for new 200G IB and Ethernet systems
It adds support for new Mellanox system types of basic classes qmb7, sn34,
sn37, containing systems QMB700 (40x200GbE InfiniBand switch), SN3700
(32x200GbE and 16x400GbE Ethernet switch) and SN3410 (6x400GbE plus
48x50GbE Ethernet switch). These are the Top of the Rack systems, equipped
with Mellanox COM-Express carrier board and switch board with Mellanox
Quantum device, which supports InfiniBand switching with 40X200G ports and
line rate of up to HDR speed or with Mellanox Spectrum-2 device, which
supports Ethernet switching with 32X200G ports line rate of up to HDR
speed.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-09 17:23:20 -08:00
Vadim Pasternak a49a41482f platform/x86: mlx-platform: Add support for new msn201x system type
It adds support for new Mellanox system types of basic half unit size
class msn201x, containing system MSN2010 (18x10GbE plus 4x4x25GbE) half
and its derivatives. This is the Top of the Rack system, equipped with
Mellanox Small Form Factor carrier board and switch board with Mellanox
Spectrum device, which supports Ethernet switching with 32X100G ports line
rate of up to EDR speed.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-09 17:23:16 -08:00
Vadim Pasternak ef08e14a38 platform/x86: mlx-platform: Add support for new msn274x system type
It adds support for new Mellanox system types of basic class msn274x,
containing system MSN2740 (32x100GbE Ethernet switch with cost reduction)
and its derivatives. These are the Top of the Rack system, equipped with
Mellanox Small Form Factor carrier board and switch board with Mellanox
Spectrum device, which supports Ethernet switching with 32X100G ports line
rate of up to EDR speed.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-09 17:23:07 -08:00
Vadim Pasternak 6016f7d54b platform/x86: mlx-platform: Fix power cable setting for msn21xx family
Add dedicated structure with power cable setting for Mellanox msn21xx
family. These systems do not have a physical device for the power unit
controller. When the power cable is inserted or removed, the relevant
interrupt signal is handled, the status is updated, but no device is
associated with the signal.

Add definition for interrupt low aggregation signal. On system from
msn21xx family, low aggregation mask should be removed in order to allow
signal to hit CPU.

Fixes: 6613d18e90 ("platform/x86: mlx-platform: Move module from arch/x86")
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-08 17:47:51 -08:00
Vadim Pasternak 1778567a20 platform/x86: mlx-platform: Add define for the negative bus
Add define for the negative bus ID in order to use it in case no hotplug
device is associated with the hotplug interrupt signal. In this case,
the signal will be handled by the mlxreg-hotplug driver, but no device
will be associated with the signal.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-08 17:45:52 -08:00
Vadim Pasternak ba814fdd0e platform/x86: mlx-platform: Use defines for bus assignment
Add defines for the bus IDs, used for hotplug device topology to improve
code readability. Defines added for FAN and power units.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-08 17:45:02 -08:00
Geert Uytterhoeven b81e830c9a platform/mellanox: mlxreg-hotplug: Fix uninitialized variable
With gcc-4.1.2:

    drivers/platform/mellanox/mlxreg-hotplug.c: In function ‘mlxreg_hotplug_health_work_helper’:
    drivers/platform/mellanox/mlxreg-hotplug.c:347: warning: ‘ret’ is used uninitialized in this function

Indeed, if mlxreg_core_item.count is zero, ret is used uninitialized.

While this is unlikely to happen (it is set to ARRAY_SIZE(...) in x86
board files), this is done in another source file, so fix this by
preinitializing ret to zero.

Fixes: c6acad68eb ("platform/mellanox: mlxreg-hotplug: Modify to use a regmap interface")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-02-08 17:43:37 -08:00