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2018-08-02platform/x86: mlx-platform: Allow mlxreg-io driver activation for more systemsVadim Pasternak1-0/+96
Allow mlxreg-io platform driver activation for more system types, in particular for MSN21xx, MSN201x types, which have reset causes bits slightly different from the default configuration. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-08-02platform/x86: mlx-platform: Add ASIC hotplug device configurationVadim Pasternak1-3/+71
Add support for ASIC hotplug device events for the all system types. The ASIC hotplug event is sent in cases ASIC reaches the good health state or dropped to the bad health state. The health state is used to change, when device is reset or in case of some system failures. In such cases hwmon uevent notification will be sent. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-08-02platform/x86: mlx-platform: Add mlxreg-fan platform driver activationVadim Pasternak1-1/+143
Add mlxreg-fan platform driver activation. FAN driver uses the same regmap infrastructure as others Mellanox platform drivers. Specific registers description for default FAN platform data configuration are added to mlx-platform. There are the registers for tachometers reading, PWM control and FAN ownership control. The last one has a default value, which is set at initialization time through the regmap infrastructure, which is necessary for moving FAN control ownership from hardware to software. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-07-31platform/x86: dell-laptop: Fix backlight detectionDamien Thébault1-1/+1
Fix return code check for "max brightness" ACPI call. The Dell laptop ACPI video brightness control is not present on dell laptops anymore, but was present in older kernel versions. The code that checks the return value is incorrect since the SMM refactoring. The old code was: if (buffer->output[0] == 0) Which was changed to: ret = dell_send_request(...) if (ret) However, dell_send_request() will return 0 if buffer->output[0] == 0, so we must change the check to: if (ret == 0) This issue was found on a Dell M4800 laptop, and the fix tested on it as well. Fixes: 549b4930f057 ("dell-smbios: Introduce dispatcher for SMM calls") Signed-off-by: Damien Thébault <damien@dtbo.net> Tested-by: Damien Thébault <damien@dtbo.net> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Reviewed-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-24PCI: hotplug: Demidlayer registration with the coreLukas Wunner2-16/+8
When a hotplug driver calls pci_hp_register(), all steps necessary for registration are carried out in one go, including creation of a kobject and addition to sysfs. That's a problem for pciehp once it's converted to enable/disable the slot exclusively from the IRQ thread: The thread needs to be spawned after creation of the kobject (because it uses the kobject's name), but before addition to sysfs (because it will handle enable/disable requests submitted via sysfs). pci_hp_deregister() does offer a ->release callback that's invoked after deletion from sysfs and before destruction of the kobject. But because pci_hp_register() doesn't offer a counterpart, hotplug drivers' ->probe and ->remove code becomes asymmetric, which is error prone as recently discovered use-after-free bugs in pciehp's ->remove hook have shown. In a sense, this appears to be a case of the midlayer antipattern: "The core thesis of the "midlayer mistake" is that midlayers are bad and should not exist. That common functionality which it is so tempting to put in a midlayer should instead be provided as library routines which can [be] used, augmented, or ignored by each bottom level driver independently. Thus every subsystem that supports multiple implementations (or drivers) should provide a very thin top layer which calls directly into the bottom layer drivers, and a rich library of support code that eases the implementation of those drivers. This library is available to, but not forced upon, those drivers." -- Neil Brown (2009), https://lwn.net/Articles/336262/ The presence of midlayer traits in the PCI hotplug core might be ascribed to its age: When it was introduced in February 2002, the blessings of a library approach might not have been well known: https://git.kernel.org/tglx/history/c/a8a2069f432c For comparison, the driver core does offer split functions for creating a kobject (device_initialize()) and addition to sysfs (device_add()) as an alternative to carrying out everything at once (device_register()). This was introduced in October 2002: https://git.kernel.org/tglx/history/c/8b290eb19962 The odd ->release callback in the PCI hotplug core was added in 2003: https://git.kernel.org/tglx/history/c/69f8d663b595 Clearly, a library approach would not force every hotplug driver to implement a ->release callback, but rather allow the driver to remove the sysfs files, release its data structures and finally destroy the kobject. Alternatively, a driver may choose to remove everything with pci_hp_deregister(), then release its data structures. To this end, offer drivers pci_hp_initialize() and pci_hp_add() as a split-up version of pci_hp_register(). Likewise, offer pci_hp_del() and pci_hp_destroy() as a split-up version of pci_hp_deregister(). Eliminate the ->release callback and move its code into each driver's teardown routine. Declare pci_hp_deregister() void, in keeping with the usual kernel pattern that enablement can fail, but disablement cannot. It only returned an error if the caller passed in a NULL pointer or a slot which has never or is no longer registered or is sharing its name with another slot. Those would be bugs, so WARN about them. Few hotplug drivers actually checked the return value and those that did only printed a useless error message to dmesg. Remove that. For most drivers the conversion was straightforward since it doesn't matter whether the code in the ->release callback is executed before or after destruction of the kobject. But in the case of ibmphp, it was unclear to me whether setting slot_cur->ctrl and slot_cur->bus_on to NULL needs to happen before the kobject is destroyed, so I erred on the side of caution and ensured that the order stays the same. Another nontrivial case is pnv_php, I've found the list and kref logic difficult to understand, however my impression was that it is safe to delete the list element and drop the references until after the kobject is destroyed. Signed-off-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> # drivers/platform/x86 Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Len Brown <lenb@kernel.org> Cc: Scott Murray <scott@spiteful.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Gavin Shan <gwshan@linux.vnet.ibm.com> Cc: Sebastian Ott <sebott@linux.vnet.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Cc: Corentin Chary <corentin.chary@gmail.com> Cc: Darren Hart <dvhart@infradead.org> Cc: Andy Shevchenko <andy@infradead.org>
2018-07-21platform/x86: toshiba_acpi: Fix defined but not used build warningsRandy Dunlap1-1/+2
Fix a build warning in toshiba_acpi.c when CONFIG_PROC_FS is not enabled by marking the unused function as __maybe_unused. ../drivers/platform/x86/toshiba_acpi.c:1685:12: warning: 'version_proc_show' defined but not used [-Wunused-function] Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Azael Avalos <coproscefalo@gmail.com> Cc: platform-driver-x86@vger.kernel.org Cc: Andy Shevchenko <andy@infradead.org> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-07-21pids: Compute task_tgid using signal->leader_pidEric W. Biederman1-0/+1
The cost is the the same and this removes the need to worry about complications that come from de_thread and group_leader changing. __task_pid_nr_ns has been updated to take advantage of this change. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2018-07-20platform/x86: dell-laptop: Fix backlight detectionDamien Thébault1-1/+1
Fix return code check for "max brightness" ACPI call. The Dell laptop ACPI video brightness control is not present on dell laptops anymore, but was present in older kernel versions. The code that checks the return value is incorrect since the SMM refactoring. The old code was: if (buffer->output[0] == 0) Which was changed to: ret = dell_send_request(...) if (ret) However, dell_send_request() will return 0 if buffer->output[0] == 0, so we must change the check to: if (ret == 0) This issue was found on a Dell M4800 laptop, and the fix tested on it as well. Fixes: 549b4930f057 ("dell-smbios: Introduce dispatcher for SMM calls") Signed-off-by: Damien Thébault <damien@dtbo.net> Tested-by: Damien Thébault <damien@dtbo.net> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Reviewed-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-18platform/x86: thinkpad_acpi: Support battery quirkJouke Witteveen1-2/+21
Some Thinkpads have a single battery, but expose it as BAT1. Use the quirks engine to force these machines into always addressing the primary battery. Without this, the battery name would resolve to the non-existent secondary battery and ACPI calls would fail. Signed-off-by: Jouke Witteveen <j.witteveen@gmail.com> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-18platform/x86: thinkpad_acpi: Proper model/release matchingJouke Witteveen1-50/+48
Modern Thinkpads have three character model designators. Previously, they would be accepted, but recorded incompletely. Revision matching extracted the wrong bytes from the ID string. This made the use of quirks for modern machines impossible. Fixes: 1b0eb5bc2413 Signed-off-by: Jouke Witteveen <j.witteveen@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-18platform/x86: intel_ips: remove redundant variables slope and offsetColin Ian King1-4/+1
Variables slope and offset are being assigned but are never used hence they are redundant and can be removed. Cleans up clang warnings: warning: variable 'slope' set but not used [-Wunused-but-set-variable] warning: variable 'offset' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-10headers: fix linux/mod_devicetable.h inclusionsArnd Bergmann1-0/+1
A couple of drivers produced build errors after the mod_devicetable.h header was split out from the platform_device one, e.g. drivers/media/platform/davinci/vpbe_osd.c:42:40: error: array type has incomplete element type 'struct platform_device_id' drivers/media/platform/davinci/vpbe_venc.c:42:40: error: array type has incomplete element type 'struct platform_device_id' This adds the inclusion where needed. Fixes: ac3167257b9f ("headers: separate linux/mod_devicetable.h from linux/platform_device.h") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-07headers: separate linux/mod_devicetable.h from linux/platform_device.hRandy Dunlap1-0/+1
At over 4000 #includes, <linux/platform_device.h> is the 9th most #included header file in the Linux kernel. It does not need <linux/mod_devicetable.h>, so drop that header and explicitly add <linux/mod_devicetable.h> to source files that need it. 4146 #include <linux/platform_device.h> After this patch, there are 225 files that use <linux/mod_devicetable.h>, for a reduction of around 3900 times that <linux/mod_devicetable.h> does not have to be read & parsed. 225 #include <linux/mod_devicetable.h> This patch was build-tested on 20 different arch-es. It also makes these drivers SubmitChecklist#1 compliant. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kbuild test robot <lkp@intel.com> # drivers/media/platform/vimc/ Reported-by: kbuild test robot <lkp@intel.com> # drivers/pinctrl/pinctrl-u300.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-02platform/x86: asus-wireless: Fix uninitialized symbol usageJoão Paulo Rechi Vita1-10/+13
'ret' will not be initialized if acpi_evaluate_integer() returns through an error path, so it should not be used in this case. This fixes the following Smatch static analyser error: drivers/platform/x86/asus-wireless.c:76 asus_wireless_method() error: uninitialized symbol 'ret'. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: asus-wireless: Toggle airplane mode LEDJoão Paulo Rechi Vita1-0/+1
This commit makes use of a newly implemented RFKill LED trigger to trigger the LED when all radios are blocked. Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: dell-smbios-wmi: make function dell_smbios_wmi_call staticColin Ian King1-1/+1
The function dell_smbios_wmi_call is local to the source and does not need to be in global scope, so make it static. Cleans up sparse warning: symbol 'dell_smbios_wmi_call' was not declared. Should it be static? Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: intel-vbtn: Add support for dock mode detectionMatt Delco1-0/+5
The Dell laptop I have has an ACPI that sends 0xCB and 0xCC on entering tablet mode. On exiting tablet mode it sends 0xCA and 0xCD. Based on: http://www.traby.de/medion/DSDT/dsdt.dsl https://gist.github.com/jprvita/5737de3cbb670e80973b7d4e51c38ab6 https://osdn.net/projects/android-x86/scm/git/kernel/commits/ 7cbe5a330687b851f32dd9f1048a6ce182d0ff44 It appears that 0xCA and 0xCB are about dock mode, which for my convertible laptop seems questionably tied to whether I've put the laptop in tablet or laptop mode. I previously proposed no-oping 0xCA and 0xCB but this revised change attempts to add support for detecting dock mode--this detection will essentially be broken for my laptop (the main workaround would be for 0xCA and 0xCB to be used to provoke a query of the VGBS method that reports the current dock & tablet mode [which is accurately reported on my laptop but based on the prior workarounds in the driver it apparently can't be trusted for all systems]). Signed-off-by: Matt Delco <delco@chromium.org> Cc: Darren Hart <dvhart@infradead.org> Cc: Andy Shevchenko <andy@infradead.org> Cc: platform-driver-x86@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Reviewed-by: AceLan Kao <acelan.kao@canonical.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: intel-hid: Add support for Device Specific MethodsSrinivas Pandruvada1-21/+157
In some of the recent platforms, it is possible that stand alone methods for HEBC() or other methods used in this driver may not exist. In this case intel-hid driver will fail to load and power button will not be functional. It is also possible that some quirks in this driver added for some platforms may have same issue in loading intel-hid driver. There is an update to the ACPI details for the HID event filter driver. In the updated specification a _DSM is added, which has separate function indexes for each of the previous stand alone methods. This change brings in support for the _DSM and allows usage of function index for corresponding stand alone methods. Details of Device Specific Method: Intel HID Event Filter Driver _DSM UUID: eeec56b3-4442-408f-a792-4edd4d758054 • Function index 0: Returns a buffer with a bit-field representing the supported function IDs. Function Index ASL Object -------------------------------- 1 BTNL 2 HDMM 3 HDSM 4 HDEM 5 BTNS 6 BTNE 7 HEBC 8 VGBS 9 HEBC One significant change is to query the supported methods implemented on the platform. So the previous HEBC() has two variants. HEBC v1 and HEBC v2. The v2 version allowed further define which of the 5-button are actually defined by the platform. HEBC v2 support is only available via new DSM. v1 Button details: Bits [0] - Rotation Lock, Num Lock, Home, End, Page Up, Page Down Bits [1] - Wireless Radio Control Bits [2] - System Power Down Bits [3] - System Hibernate Bits [4] - System Sleep/ System Wake Bits [5] - Scan Next Track Bits [6] - Scan Previous Track Bits [7] - Stop Bits [8] - Play/Pause Bits [9] - Mute Bits [10] - Volume Increment Bits [11] - Volume Decrement Bits [12] - Display Brightness Increment Bits [13] - Display Brightness Decrement Bits [14] - Lock Tablet Bits [15] - Release Tablet Bits [16] - Toggle Bezel Bits [17] - 5 button array Bits [18-31] - reserved v2 Buttom details: Bits [0-16] - Same as v1 version Bits [17] - 5 button array Bits [18] – Power Button Bits [19] - W Home Button Bits [20] - Volume Up Button Bits [21] - Volume Down Button Bits [22] – Rotation Lock Button Bits [23-31] – reserved Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Tested-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: touchscreen_dmi: Add info for the Onda V820w tabletJun Bo Bi1-0/+24
Add touchscreen platform data for the Onda V820w tablet. Signed-off-by: Jun Bo Bi <jambonmcyeah@gmail.com> [andy: fixed compilation error, massaged commit message] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: touchscreen_dmi: Add info for the "Connect Tablet 9" tabletHans de Goede1-0/+25
Add touchscreen info for the "Connect Tablet 9" tablet. This appears to be a variant of the same hardware as the ITworks TW891 tablet, but it needs different firmware for the touchscreen to fonction properly. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: touchscreen_dmi: Add info for the ONDA V891W Dual OS tabletyouling2571-0/+27
Add touchscreen info for hardware revision "v3" of the ONDA V891W Dual OS tablet. Reported-and-tested-by: youling257 <youling257@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: asus-wmi: Add keyboard backlight toggle supportChris Chiu1-0/+8
Some ASUS laptops like UX550GE has hotkey (Fn+F7) for keyboard backlight toggle which would emit the scan code 0xc7 each keypress. On the UX550GE, the max keyboard brightness level is 3 so the toggle would not be simply on/off the led but need to be cyclic. Per ASUS spec, it should increment the brightness for each keypress, then toggle(off) the LED when it already reached the max level. Signed-off-by: Chris Chiu <chiu@endlessm.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: asus-wmi: Call led hw_changed API on kbd brightness changeChris Chiu1-4/+22
Make asus-wmi notify on hotkey kbd brightness changes, listen for brightness events and update the brightness directly in the driver. Create new do_kbd_led_set function for in-driver update, and leave kbd_led_set for original led_classdev call path. Update the brightness by led_classdev_notify_brightness_hw_changed. This will allow userspace to monitor (poll) for brightness changes on the LED without reporting via input keymapping. Signed-off-by: Chris Chiu <chiu@endlessm.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: intel_pmc_core: Add CNP SLPS0 debug registersBox, David E2-0/+126
Adds debugfs access to registers in the Cannon Point PCH PMC that are useful for debugging #SLP_S0 signal assertion and other low power relate activities. Device pm states are latched in these registers whenever the package enters C10 and can be read from slp_s0_debug_status. The pm states may also be latched by writing 1 to slp_s0_dbg_latch which will immediately capture the current state on the next read of slp_s0_debug_status. Signed-off-by: Box, David E <david.e.box@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: Rename silead_dmi to touchscreen_dmiHans de Goede3-46/+46
Not only silead touchscreens need some extra info not available in the ACPI tables to work properly. X86 devices with a Chipone ICN8505 chip also need some DMI based extra configuration. There is no reason to have separate dmi config code per touchscreen controller vendor. This commit renames silead_dmi to a more generic touchscreen_dmi name (and Kconfig option) in preparation of adding info for tablets with an ICN8505 based touchscreen. Note there are no functional changes all code changes are limited to removing references to silead where these are no longer applicable. Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: silead_dmi: Add touchscreen info for the Chuwi Vi10 tabletHans de Goede1-0/+26
Add touchscreen info for the 10" Chuwi Vi10 (CWI505) tablet. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: silead_dmi: Sort entries alphabeticallyHans de Goede1-252/+255
We have so much entries now that it is good to bring some form of order to them. This should also reduce conflicts when multiple patches make changes at the same time (compared to tagging all new entries at the end). Note this commit purely moves stuff around and adds 2 comments about keeping the data and table alphabetically sorted. There are no functional changes. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-02platform/x86: silead_dmi: Rename trekstor entriesHans de Goede1-11/+11
Prefix the entries for trekstor tablets with trekstor_ and drop the detailed model version (still available as comment in the dmi table) to keep things within 80 chars. This is a preparation patch for sorting all the entries alphabetically. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-06-27platform/x86: dell-smbios: make a function and a pointer staticColin Ian King1-2/+2
The function dell_smbios_smm_call and pointer platform_device are local to the source and do not need to be in global scope, so make them static. Cleans up sparse warnings: warning: symbol 'platform_device' was not declared. Should it be static? warning: symbol 'dell_smbios_smm_call' was not declared. Should it be static? Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-06-27platform/x86: ideapad-laptop: Apply no_hw_rfkill to Y20-15IKBM, tooTakashi Iwai1-2/+2
The commit 5d9f40b56630 ("platform/x86: ideapad-laptop: Add Y520-15IKBN to no_hw_rfkill") added the entry for Y20-15IKBN, and it turned out that another variant, Y20-15IKBM, also requires the no_hw_rfkill. Trim the last letter from the string so that it matches to both Y20-15IKBN and Y20-15IKBM models. Bugzilla: https://bugzilla.opensuse.org/show_bug.cgi?id=1098626 Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-06-27platform/x86: dell-smbios-base: Support systems without tokensMario Limonciello1-14/+21
Some Dell servers can use dell-smbios but they don't support the token interface. Make it optional. Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-06-27platform/x86: thinkpad_acpi: Add support for calculator hotkeyBenjamin Berg1-2/+2
The P52 has a keyboard which features a calculator key above the numpad. Add support for this the calculator key (0x1313). Signed-off-by: Benjamin Berg <bberg@redhat.com> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-06-27platform/x86: toshiba_acpi: Update KBD backlight LED on second gen laptopsAzael Avalos1-8/+22
Second generation keyboard backlight (type 2) laptops can switch on the keyboard LED on their own via hardware/firmware, but the LED subsystem is unaware of such change since the LED interface was only being created on first generation keyboard backlight (type 1) laptops. This patch creates the LED interface for second gen keyboards and calls the *_hw_changed API whenever userspace changes the state of the keyboard backlight LED. While we are at it, remove an unneeded asignment to the acpi_dev struct under *_kbd_bl_work, and also update the kbd_event_generated variable in the main toshiba struct instead of the global struct. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> [dvhart: correct int* and int compare with dev->kbd_mode] Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-06-23platform/x86: wmi: Do not mix pages and kmallocKees Cook1-6/+3
The probe handler_data was being allocated with __get_free_pages() for no reason I could find. The error path was using kfree(). Since other things are happily using kmalloc() in the probe path, switch to kmalloc() entirely. This fixes the error path mismatch and will avoid issues with CONFIG_HARDENED_USERCOPY_PAGESPAN=y. Reported-by: Mihai Donțu <mihai.dontu@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Mario Limonciello <Mario.limonciello@dell.com> Cc: stable@vger.kernel.org Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-06-20platform/x86: mlx-platform: Add mlxreg-io platform driver activationVadim Pasternak1-2/+173
Add mlxreg-io platform driver activation. Access driver uses the same regmap infrastructure as others Mellanox platform drivers. Specific registers description for default platform data configuration are added to mlx-platform. There are the registers for resets control, reset causes monitoring, programmable devices version reading and mux select control. This platform data is passed to mlxreg-io driver. Also some default values for the register are set at initialization time through the regmap infrastructure, which are necessary for moving write protection from the general purpose registers, which are used by mlxreg-io for write access. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> v4-v5: Changes added by Vadim: - Add two new attributes for ASIC health and main power domain shutdown. Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-06-16fix a series of Documentation/ broken file name referencesMauro Carvalho Chehab1-1/+1
As files move around, their previous links break. Fix the references for them. Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net>
2018-06-14Merge tag 'platform-drivers-x86-v4.18-1' of ↵Linus Torvalds15-56/+533
git://git.infradead.org/linux-platform-drivers-x86 Pull x86 platform driver updates from Darren Hart: "Several incremental improvements including new keycodes, new models, new quirks, and related documentation. Adds LED platform driver activation for Mellanox systems. Some minor optimizations and cleanups. Includes several bug fixes, message silencing, mostly minor Automated summary: acer-wmi: - add another KEY_POWER keycode apple-gmux: - fix gmux_get_client_id()'s return type asus-laptop: - Simplify getting .drvdata asus-wireless: - Fix format specifier dell-laptop: - Fix keyboard backlight timeout on XPS 13 9370 dell-smbios: - Match on www.dell.com in OEM strings too dell-wmi: - Ignore new rfkill and fn-lock events - Set correct keycode for Fn + left arrow fujitsu-laptop: - Simplify soft key handling ideapad-laptop: - Add E42-80 to no_hw_rfkill - Add fn-lock setting - Add MIIX 720-12IKB to no_hw_rfkill lib/string_helpers: - Add missed declaration of struct task_struct intel_scu_ipc: - Replace mdelay with usleep_range in intel_scu_ipc_i2c_cntrl mlx-platform: - Add LED platform driver activation platform/mellanox: - Add new ODM system types to mlx-platform - mlxreg-hotplug: add extra cycle for hotplug work queue - mlxreg-hotplug: Document fixes for hotplug private data platform_data/mlxreg: - Document fixes for hotplug device silead_dmi: - Add entry for Chuwi Hi8 tablet touchscreen - Add touchscreen info for the Onda V891w tablet - Add info for the PoV mobii TAB-P800W (v2.0) - Add touchscreen info for the Jumper EZpad 6 Pro thinkpad_acpi: - silence false-positive-prone pr_warn - do not report thermal sensor state for tablet mode switch - silence HKEY 0x6032, 0x60f0, 0x6030" * tag 'platform-drivers-x86-v4.18-1' of git://git.infradead.org/linux-platform-drivers-x86: (30 commits) platform/x86: silead_dmi: Add entry for Chuwi Hi8 tablet touchscreen platform/x86: dell-laptop: Fix keyboard backlight timeout on XPS 13 9370 platform/x86: dell-wmi: Ignore new rfkill and fn-lock events platform/x86: mlx-platform: Add LED platform driver activation platform/mellanox: Add new ODM system types to mlx-platform platform/mellanox: mlxreg-hotplug: add extra cycle for hotplug work queue platform/x86: ideapad-laptop: Add E42-80 to no_hw_rfkill platform/x86: silead_dmi: Add touchscreen info for the Onda V891w tablet platform/x86: silead_dmi: Add info for the PoV mobii TAB-P800W (v2.0) platform/x86: silead_dmi: Add touchscreen info for the Jumper EZpad 6 Pro platform/x86: asus-wireless: Fix format specifier platform/x86: asus-wmi: Fix NULL pointer dereference platform/x86: dell-wmi: Set correct keycode for Fn + left arrow platform/x86: acer-wmi: add another KEY_POWER keycode platform/x86: ideapad-laptop: Add fn-lock setting platform/x86: ideapad-laptop: Add MIIX 720-12IKB to no_hw_rfkill lib/string_helpers: Add missed declaration of struct task_struct platform/x86: DELL_WMI use depends on instead of select for DELL_SMBIOS platform/mellanox: mlxreg-hotplug: Document fixes for hotplug private data platform_data/mlxreg: Document fixes for hotplug device ...
2018-06-13treewide: kzalloc() -> kcalloc()Kees Cook4-11/+11
The kzalloc() function has a 2-factor argument form, kcalloc(). This patch replaces cases of: kzalloc(a * b, gfp) with: kcalloc(a * b, gfp) as well as handling cases of: kzalloc(a * b * c, gfp) with: kzalloc(array3_size(a, b, c), gfp) as it's slightly less ugly than: kzalloc_array(array_size(a, b), c, gfp) This does, however, attempt to ignore constant size factors like: kzalloc(4 * 1024, gfp) though any constants defined via macros get caught up in the conversion. Any factors with a sizeof() of "unsigned char", "char", and "u8" were dropped, since they're redundant. The Coccinelle script used for this was: // Fix redundant parens around sizeof(). @@ type TYPE; expression THING, E; @@ ( kzalloc( - (sizeof(TYPE)) * E + sizeof(TYPE) * E , ...) | kzalloc( - (sizeof(THING)) * E + sizeof(THING) * E , ...) ) // Drop single-byte sizes and redundant parens. @@ expression COUNT; typedef u8; typedef __u8; @@ ( kzalloc( - sizeof(u8) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(__u8) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(char) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(unsigned char) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(u8) * COUNT + COUNT , ...) | kzalloc( - sizeof(__u8) * COUNT + COUNT , ...) | kzalloc( - sizeof(char) * COUNT + COUNT , ...) | kzalloc( - sizeof(unsigned char) * COUNT + COUNT , ...) ) // 2-factor product with sizeof(type/expression) and identifier or constant. @@ type TYPE; expression THING; identifier COUNT_ID; constant COUNT_CONST; @@ ( - kzalloc + kcalloc ( - sizeof(TYPE) * (COUNT_ID) + COUNT_ID, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * COUNT_ID + COUNT_ID, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * (COUNT_CONST) + COUNT_CONST, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * COUNT_CONST + COUNT_CONST, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * (COUNT_ID) + COUNT_ID, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * COUNT_ID + COUNT_ID, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * (COUNT_CONST) + COUNT_CONST, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * COUNT_CONST + COUNT_CONST, sizeof(THING) , ...) ) // 2-factor product, only identifiers. @@ identifier SIZE, COUNT; @@ - kzalloc + kcalloc ( - SIZE * COUNT + COUNT, SIZE , ...) // 3-factor product with 1 sizeof(type) or sizeof(expression), with // redundant parens removed. @@ expression THING; identifier STRIDE, COUNT; type TYPE; @@ ( kzalloc( - sizeof(TYPE) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(TYPE) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(TYPE) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(TYPE) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(THING) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kzalloc( - sizeof(THING) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kzalloc( - sizeof(THING) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kzalloc( - sizeof(THING) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) ) // 3-factor product with 2 sizeof(variable), with redundant parens removed. @@ expression THING1, THING2; identifier COUNT; type TYPE1, TYPE2; @@ ( kzalloc( - sizeof(TYPE1) * sizeof(TYPE2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kzalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kzalloc( - sizeof(THING1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kzalloc( - sizeof(THING1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kzalloc( - sizeof(TYPE1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) | kzalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) ) // 3-factor product, only identifiers, with redundant parens removed. @@ identifier STRIDE, SIZE, COUNT; @@ ( kzalloc( - (COUNT) * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - (COUNT) * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - (COUNT) * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - (COUNT) * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) ) // Any remaining multi-factor products, first at least 3-factor products, // when they're not all constants... @@ expression E1, E2, E3; constant C1, C2, C3; @@ ( kzalloc(C1 * C2 * C3, ...) | kzalloc( - (E1) * E2 * E3 + array3_size(E1, E2, E3) , ...) | kzalloc( - (E1) * (E2) * E3 + array3_size(E1, E2, E3) , ...) | kzalloc( - (E1) * (E2) * (E3) + array3_size(E1, E2, E3) , ...) | kzalloc( - E1 * E2 * E3 + array3_size(E1, E2, E3) , ...) ) // And then all remaining 2 factors products when they're not all constants, // keeping sizeof() as the second factor argument. @@ expression THING, E1, E2; type TYPE; constant C1, C2, C3; @@ ( kzalloc(sizeof(THING) * C2, ...) | kzalloc(sizeof(TYPE) * C2, ...) | kzalloc(C1 * C2 * C3, ...) | kzalloc(C1 * C2, ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * (E2) + E2, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * E2 + E2, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * (E2) + E2, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * E2 + E2, sizeof(THING) , ...) | - kzalloc + kcalloc ( - (E1) * E2 + E1, E2 , ...) | - kzalloc + kcalloc ( - (E1) * (E2) + E1, E2 , ...) | - kzalloc + kcalloc ( - E1 * E2 + E1, E2 , ...) ) Signed-off-by: Kees Cook <keescook@chromium.org>
2018-06-08platform/x86: silead_dmi: Add entry for Chuwi Hi8 tablet touchscreenyuk71-0/+9
Add entry for Chuwi Hi8 S806_206 tablet touchscreen. Signed-off-by: Haruka Kawajiri <yukx00@gmail.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-06-06Merge tag 'usb-4.18-rc1' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB and PHY updates from Greg KH: "Here is the big USB pull request for 4.18-rc1. Lots of stuff here, the highlights are: - phy driver updates and new additions - usual set of xhci driver updates - normal set of musb updates - gadget driver updates and new controllers - typec work, it's getting closer to getting fully out of the staging portion of the tree. - lots of minor cleanups and bugfixes. All of these have been in linux-next for a while with no reported issues" * tag 'usb-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (263 commits) Revert "xhci: Reset Renesas uPD72020x USB controller for 32-bit DMA issue" xhci: Add quirk to zero 64bit registers on Renesas PCIe controllers xhci: Allow more than 32 quirks usb: xhci: force all memory allocations to node selftests: add test for USB over IP driver USB: typec: fsusb302: no need to check return value of debugfs_create_dir() USB: gadget: udc: s3c2410_udc: no need to check return value of debugfs_create functions USB: gadget: udc: renesas_usb3: no need to check return value of debugfs_create functions USB: gadget: udc: pxa27x_udc: no need to check return value of debugfs_create functions USB: gadget: udc: gr_udc: no need to check return value of debugfs_create functions USB: gadget: udc: bcm63xx_udc: no need to check return value of debugfs_create functions USB: udc: atmel_usba_udc: no need to check return value of debugfs_create functions USB: dwc3: no need to check return value of debugfs_create functions USB: dwc2: no need to check return value of debugfs_create functions USB: core: no need to check return value of debugfs_create functions USB: chipidea: no need to check return value of debugfs_create functions USB: ehci-hcd: no need to check return value of debugfs_create functions USB: fhci-hcd: no need to check return value of debugfs_create functions USB: fotg210-hcd: no need to check return value of debugfs_create functions USB: imx21-hcd: no need to check return value of debugfs_create functions ...
2018-06-04Merge branch 'hch.procfs' of ↵Linus Torvalds1-15/+2
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull procfs updates from Al Viro: "Christoph's proc_create_... cleanups series" * 'hch.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (44 commits) xfs, proc: hide unused xfs procfs helpers isdn/gigaset: add back gigaset_procinfo assignment proc: update SIZEOF_PDE_INLINE_NAME for the new pde fields tty: replace ->proc_fops with ->proc_show ide: replace ->proc_fops with ->proc_show ide: remove ide_driver_proc_write isdn: replace ->proc_fops with ->proc_show atm: switch to proc_create_seq_private atm: simplify procfs code bluetooth: switch to proc_create_seq_data netfilter/x_tables: switch to proc_create_seq_private netfilter/xt_hashlimit: switch to proc_create_{seq,single}_data neigh: switch to proc_create_seq_data hostap: switch to proc_create_{seq,single}_data bonding: switch to proc_create_seq_data rtc/proc: switch to proc_create_single_data drbd: switch to proc_create_single resource: switch to proc_create_seq_data staging/rtl8192u: simplify procfs code jfs: simplify procfs code ...
2018-06-04platform/x86: dell-laptop: Fix keyboard backlight timeout on XPS 13 9370Timur Kristóf1-1/+16
The XPS 13 9370 doesn't expose the necessary KBD_LED_AC_TOKEN in the BIOS, so the driver thinks it cannot adjust the AC keyboard backlight timeout. This patch adds a quirk to fix this until Dell adds the missing token to the BIOS. For further discussion, see: https://github.com/dell/libsmbios/issues/48 Signed-off-by: Timur Kristóf <venemo@fedoraproject.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-06-04platform/x86: dell-wmi: Ignore new rfkill and fn-lock eventsKai Heng Feng1-0/+14
There are two new events generated by dell-wmi, rfkill and fn-lock, from Dell Systems. When Fn-lock hotkey gets pressed to switch to function mode: [85951.591542] dell_wmi: Unknown key with type 0x0010 and code 0xe035 pressed [85951.591546] dell_wmi: Unknown key with type 0x0010 and code 0x0000 pressed When Fn-lock hotkey gets pressed to switch to multimedia mode: [85956.667686] dell_wmi: Unknown key with type 0x0010 and code 0xe035 pressed [85956.667690] dell_wmi: Unknown key with type 0x0010 and code 0x0001 pressed When radio hotkey gets pressed: [85974.430220] dell_wmi: Unknown key with type 0x0010 and code 0xe008 pressed These events are for notification purpose, so we can ignore them. This patch is tested on XPS 9370. Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Reviewed-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-06-01platform/x86: mlx-platform: Add LED platform driver activationVadim Pasternak1-1/+258
Add LED platform driver activation from mlx-platform. This LED driver uses the same regmap infrastructure as others Mellanox platform drivers, so LED specific registers description is added. System LED configuration depends on system type. To support all the relevant types per system type LED descriptions are defined for passing to LED platform driver. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-06-01platform/mellanox: Add new ODM system types to mlx-platformVadim Pasternak1-0/+30
Add new ODM system types, matched according to DMI_BOARD_NAME. The supported ODM Ids are: VMOD0001, VMOD0002, VMOD0003, VMOD0004, VMOD0005. Patch does not introduce new systems, but allows to ODM companies to set DMI_BOARD_VENDOR and DMI_PRODUCT_NAME on their own. It assumes that ODM company can't change DMI_BOARD_NAME. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-06-01platform/x86: ideapad-laptop: Add E42-80 to no_hw_rfkilldylanchu1-0/+7
Lenovo Zhaoyang E42-80 is another Lenovo model without a hw rfkill switch, resulting in wifi always reported as hard blocked. Add the model to the list of models without rfkill switch. Signed-off-by: dylanchu <chdy.uuid@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-06-01platform/x86: silead_dmi: Add touchscreen info for the Onda V891w tabletHans de Goede1-0/+28
Add touchscreen info for the Onda V891w 8.9" windows tablet. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-06-01platform/x86: silead_dmi: Add info for the PoV mobii TAB-P800W (v2.0)Hans de Goede1-5/+34
This commit adds the necessary device-properties to make the touchscreen on Point of View mobii TAB-P800W (v2.0) tablets work. Note that we already have an entry for the Point of View mobii TAB-P800W (v2.1), that version uses a different digitizer and different firmware, so the v2.0 version needs its own entry. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-06-01platform/x86: silead_dmi: Add touchscreen info for the Jumper EZpad 6 ProHans de Goede1-0/+25
Add touchscreen info for the Jumper EZpad 6 Pro. Cc: zy <574249312@qq.com> Reported-and-tested-by: zy <574249312@qq.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-05-31platform/x86: asus-wireless: Fix format specifierJoão Paulo Rechi Vita1-1/+1
u64 should be printed with %llx instead of %x and cast to uint. Signed-off-by: João Paulo Rechi Vita <jprvita@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>