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* Merge branch 'for-linus' of ↵Linus Torvalds2017-07-143-44/+204
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull a few more input updates from Dmitry Torokhov: - multi-touch handling for Xen - fix for long-standing bug causing crashes in i8042 on boot - change to gpio_keys to better handle key presses during system state transition * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: i8042 - fix crash at boot time Input: gpio_keys - handle the missing key press event in resume phase Input: xen-kbdfront - add multi-touch support
| * Merge branch 'next' into for-linusDmitry Torokhov2017-07-123-44/+204
| |\ | | | | | | | | | Prepare second round of input updates for 4.13 merge window.
| | * Input: i8042 - fix crash at boot timeChen Hong2017-07-121-3/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The driver checks port->exists twice in i8042_interrupt(), first when trying to assign temporary "serio" variable, and second time when deciding whether it should call serio_interrupt(). The value of port->exists may change between the 2 checks, and we may end up calling serio_interrupt() with a NULL pointer: BUG: unable to handle kernel NULL pointer dereference at 0000000000000050 IP: [<ffffffff8150feaf>] _spin_lock_irqsave+0x1f/0x40 PGD 0 Oops: 0002 [#1] SMP last sysfs file: CPU 0 Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.32-358.el6.x86_64 #1 QEMU Standard PC (i440FX + PIIX, 1996) RIP: 0010:[<ffffffff8150feaf>] [<ffffffff8150feaf>] _spin_lock_irqsave+0x1f/0x40 RSP: 0018:ffff880028203cc0 EFLAGS: 00010082 RAX: 0000000000010000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000282 RSI: 0000000000000098 RDI: 0000000000000050 RBP: ffff880028203cc0 R08: ffff88013e79c000 R09: ffff880028203ee0 R10: 0000000000000298 R11: 0000000000000282 R12: 0000000000000050 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000098 FS: 0000000000000000(0000) GS:ffff880028200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000050 CR3: 0000000001a85000 CR4: 00000000001407f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 1, threadinfo ffff88013e79c000, task ffff88013e79b500) Stack: ffff880028203d00 ffffffff813de186 ffffffffffffff02 0000000000000000 <d> 0000000000000000 0000000000000000 0000000000000000 0000000000000098 <d> ffff880028203d70 ffffffff813e0162 ffff880028203d20 ffffffff8103b8ac Call Trace: <IRQ> [<ffffffff813de186>] serio_interrupt+0x36/0xa0 [<ffffffff813e0162>] i8042_interrupt+0x132/0x3a0 [<ffffffff8103b8ac>] ? kvm_clock_read+0x1c/0x20 [<ffffffff8103b8b9>] ? kvm_clock_get_cycles+0x9/0x10 [<ffffffff810e1640>] handle_IRQ_event+0x60/0x170 [<ffffffff8103b154>] ? kvm_guest_apic_eoi_write+0x44/0x50 [<ffffffff810e3d8e>] handle_edge_irq+0xde/0x180 [<ffffffff8100de89>] handle_irq+0x49/0xa0 [<ffffffff81516c8c>] do_IRQ+0x6c/0xf0 [<ffffffff8100b9d3>] ret_from_intr+0x0/0x11 [<ffffffff81076f63>] ? __do_softirq+0x73/0x1e0 [<ffffffff8109b75b>] ? hrtimer_interrupt+0x14b/0x260 [<ffffffff8100c1cc>] ? call_softirq+0x1c/0x30 [<ffffffff8100de05>] ? do_softirq+0x65/0xa0 [<ffffffff81076d95>] ? irq_exit+0x85/0x90 [<ffffffff81516d80>] ? smp_apic_timer_interrupt+0x70/0x9b [<ffffffff8100bb93>] ? apic_timer_interrupt+0x13/0x20 To avoid the issue let's change the second check to test whether serio is NULL or not. Also, let's take i8042_lock in i8042_start() and i8042_stop() instead of trying to be overly smart and using memory barriers. Signed-off-by: Chen Hong <chenhong3@huawei.com> [dtor: take lock in i8042_start()/i8042_stop()] Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: gpio_keys - handle the missing key press event in resume phaseJoseph Lo2017-07-091-1/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The GPIO key press event might be missed in the resume phase, if the key had been released before the system had been resumed to the stage that it could capture the press event. So we simulate the wakeup key press event in case the key had been released by the time we got interrupt handler to run. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: xen-kbdfront - add multi-touch supportOleksandr Andrushchenko2017-07-091-40/+179
| | | | | | | | | | | | | | | | | | | | | Extend xen_kbdfront to provide multi-touch support to unprivileged domains. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> [dtor: factor out various sub-protocols - multitouch, single touch, keys] Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2017-07-0823-67/+1273
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input updates from Dmitry Torokhov: - a new driver for STM FingerTip touchscreen - a new driver for D-Link DIR-685 touch keys - updated list of supported devices in xpad driver - other assorted updates and fixes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (23 commits) MAINTAINERS: update input subsystem patterns Input: introduce KEY_ASSISTANT Input: xpad - sync supported devices with XBCD Input: xpad - sync supported devices with 360Controller Input: xen-kbdfront - use string constants from PV protocol Input: stmfts - mark all PM functions as __maybe_unused Input: add support for the STMicroelectronics FingerTip touchscreen Input: add D-Link DIR-685 touchkeys driver Input: s3c2410_ts - handle return value of clk_prepare_enable Input: axp20x-pek - add wakeup support Input: synaptics-rmi4 - use %phN to form F34 configuration ID Input: synaptics-rmi4 - change a char type to u8 Input: sparse-keymap - remove sparse_keymap_free() Input: tsc2007 - move header file out of I2C realm Input: mms114 - move header file out of I2C realm Input: mcs - move header file out of I2C realm Input: lm8323 - move header file out of I2C realm Input: elantech - force relative mode on a certain module Input: elan_i2c - add support for fetching chip type on newer hardware Input: elan_i2c - check if device is there before really probing ...
| * | Merge branch 'next' into for-linusDmitry Torokhov2017-07-0623-67/+1273
| |\| | | | | | | | | | Prepare input updates for 4.13 merge window.
| | * Input: xpad - sync supported devices with XBCDBenjamin Valentin2017-06-181-0/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | XBCD [0][1] is an OpenSource driver for Xbox controllers on Windows. Later it also started supporting Xbox360 controllers (presumably before the official Windows driver was released). It contains a couple device IDs unknown to the Linux driver, so I extracted those from xbcd.inf and added them to our list. It has a special type for Wheels and I have the feeling they might need some extra handling. They all have 'Wheel' in their name, so that information is available for future improvements. [0] https://www.s-config.com/xbcd-original-xbox-controllers-win10/ [1] http://www.redcl0ud.com/xbcd.html Reviewed-by: Cameron Gutman <aicommander@gmail.com> Signed-off-by: Benjamin Valentin <benpicco@googlemail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: xpad - sync supported devices with 360ControllerBenjamin Valentin2017-06-181-0/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 360Controller [0] is an OpenSource driver for Xbox/Xbox360/XboxOne controllers on macOS. It contains a couple device IDs unknown to the Linux driver, so I wrote a small Python script [1] to extract them and feed them into my previous script [2] to compare them with the IDs known to Linux. For most devices, this information is not really needed as xpad is able to automatically detect the type of an unknown Xbox Controller at run-time. I've therefore stripped all the generic/vague entries. I've excluded the Logitech G920, it's handled by a HID driver already. I've also excluded the Scene It! Big Button IR, it's handled by an out-of-tree driver. [3] [0] https://github.com/360Controller/360Controller [1] http://codepad.org/v9GyLKMq [2] http://codepad.org/qh7jclpD [3] https://github.com/micolous/xbox360bb Reviewed-by: Cameron Gutman <aicommander@gmail.com> Signed-off-by: Benjamin Valentin <benpicco@googlemail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: xen-kbdfront - use string constants from PV protocolOleksandr Andrushchenko2017-06-091-9/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | Xen input para-virtual protocol defines string constants used by both back and frontend. Use those instead of explicit strings in the frontend driver. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: stmfts - mark all PM functions as __maybe_unusedArnd Bergmann2017-06-091-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We get a harmless warning when CONFIG_RUNTIME_PM is disabled: drivers/input/touchscreen/stmfts.c:760:12: error: 'stmfts_runtime_resume' defined but not used [-Werror=unused-function] static int stmfts_runtime_resume(struct device *dev) drivers/input/touchscreen/stmfts.c:748:12: error: 'stmfts_runtime_suspend' defined but not used [-Werror=unused-function] static int stmfts_runtime_suspend(struct device *dev) The regular PM functions are already marked as __maybe_unused, so let's do the same for the runtime-PM as well. Fixes: 78bcac7b2ae1 ("Input: add support for the STMicroelectronics FingerTip touchscreen") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: add support for the STMicroelectronics FingerTip touchscreenAndi Shyti2017-06-053-0/+834
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The stmfts (ST-Microelectronics FingerTip S) touchscreen device is a capacitive multi-touch controller mainly for mobile use. It's connected through i2c bus at the address 0x49 and it interfaces with userspace through input event interface. At the current state it provides a touchscreen multitouch functionality up to 10 fingers. Each finger is enumerated with a distinctive id (from 0 to 9). If enabled the device can support single "touch" hovering, by providing three coordinates, x, y and distance. It is possible to select the touchkey functionality which provides a basic two keys interface for "home" and "back" menu, typical in mobile phones. Signed-off-by: Andi Shyti <andi.shyti@samsung.com> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: add D-Link DIR-685 touchkeys driverLinus Walleij2017-06-053-0/+167
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for the D-Link DIR-685 touchkeys found in the router with this name. The vendor code calles this a "touchpad" but we are registering it here under its real name. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: s3c2410_ts - handle return value of clk_prepare_enableArvind Yadav2017-06-021-1/+7
| | | | | | | | | | | | | | | | | | clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: axp20x-pek - add wakeup supportHans de Goede2017-06-021-0/+28
| | | | | | | | | | | | | | | | | | | | | | | | At least on devices with the AXP288 PMIC the device is expected to wakeup from suspend when the power-button gets pressed, add support for this. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: synaptics-rmi4 - use %phN to form F34 configuration IDDmitry Torokhov2017-06-011-14/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of printing bytes one by one, let's use %phN to print the buffer in one go. Also use hweight8 to count number of partitions instead of inspecting it bit by bit. Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Tested-by: Nick Dyer <nick@shmanahar.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: synaptics-rmi4 - change a char type to u8Dan Carpenter2017-05-291-1/+1
| | | | | | | | | | | | | | | | | | | | | Smatch doesn't like when we use "%02X" to print char types because, what about if it's a negative? Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Input: sparse-keymap - remove sparse_keymap_free()Dmitry Torokhov2017-05-291-14/+0
| | | | | | | | | | | | | | | Now that all users of sparse_keymap_free() are gone we can remove the stub. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * Merge tag 'v4.12-rc3' into nextDmitry Torokhov2017-05-2923-55/+1346
| | |\ | | | | | | | | | | | | | | | | Sync with mainline to bring in changes in platform drovers dropping calls to sparse_keymap_free() so that we can remove it for good.
| | * | Input: tsc2007 - move header file out of I2C realmWolfram Sang2017-05-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * | Input: mms114 - move header file out of I2C realmWolfram Sang2017-05-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * | Input: mcs - move header file out of I2C realmWolfram Sang2017-05-222-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * | Input: lm8323 - move header file out of I2C realmWolfram Sang2017-05-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * | Input: elantech - force relative mode on a certain moduleKT Liao2017-05-111-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One of Elan modules with sample version is 0x74 and hw_version is 0x03 has a bug in absolute mode implementation, so let it run in default PS/2 relative mode. Signed-off-by: KT Liao <kt.liao@emc.com.tw> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * | Input: elan_i2c - add support for fetching chip type on newer hardwareKT Liao2017-05-114-17/+99
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Newer Elantech hardware requires different way of fetching chip type and version data. Signed-off-by: KT Liao <kt.liao@emc.com.tw> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * | Input: elan_i2c - check if device is there before really probingDmitry Torokhov2017-05-111-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before trying to properly initialize the touchpad and generate bunch of errors, let's first see it there is anything at the given address. If we get error, fail silently with -ENXIO. Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * | Input: switch to using sizeof(*type) when allocating memoryMarkus Elfring2017-05-101-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of specifying type explicitly, derive it from the type of pointer when allocating memory, which is considered safer practice. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * | Input: use seq_puts() in input_devices_seq_show()Markus Elfring2017-05-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Use seq_puts() when printing a string which does not contain a data format specification. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| | * | Input: use seq_putc() in input_seq_print_bitmap()Markus Elfring2017-05-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Switch to using seq_putc() when printing a single character '0'. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | | Merge tag 'gpio-v4.13-1' of ↵Linus Torvalds2017-07-071-1/+1
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO updates from Linus Walleij: "This is the bulk of GPIO changes for the v4.13 series. Some administrativa: I have a slew of 8250 serial patches and the new IOT2040 serial+GPIO driver coming in through this tree, along with a whole bunch of Exar 8250 fixes. These are ACKed by Greg and also hit drivers/platform/* where they are ACKed by Andy Shevchenko. Speaking about drivers/platform/* there is also a bunch of ACPI stuff coming through that route, again ACKed by Andy. The MCP23S08 changes are coming in here as well. You already have the commits in your tree, so this is just a result of sharing an immutable branch between pin control and GPIO. Core: - Export add/remove for lookup tables so that modules can export GPIO descriptor tables. - Handle GPIO sleep states: it is now possible to flag that a GPIO line may loose its state during suspend/resume of the system to save power. This is used in the Wolfson Micro Arizona driver. - ACPI-based GPIO was tightened up a lot around the edges. - Use bitmap_fill() to speed up a loop. New drivers: - Exar XRA1403 SPI-based GPIO. - MVEBU driver now supports Armada 7K and 8K. - LP87565 PMIC GPIO. - Renesas R-CAR R8A7743 (RZ/G1M). - The new IOT2040 8250 serial/GPIO also comes in through this changeset. Substantial driver changes: - Seriously fix the Exar 8250 GPIO portions to work. - The MCP23S08 was moved out to a pin control driver. - Convert MEVEBU to use regmap for register access. - Drop Vulcan support from the Broadcom driver. - Serious cleanup and improvement of the mockup driver, giving us a better test coverage. Misc: - Lots of janitorial clean up. - A bunch of documentation fixes" * tag 'gpio-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (70 commits) serial: exar: Add support for IOT2040 device gpio-exar/8250-exar: Make set of exported GPIOs configurable platform: Accept const properties serial: exar: Factor out platform hooks gpio-exar/8250-exar: Rearrange gpiochip parenthood gpio: exar: Fix iomap request gpio-exar/8250-exar: Do not even instantiate a GPIO device for Commtech cards serial: uapi: Add support for bus termination gpio: rcar: Add R8A7743 (RZ/G1M) support gpio: gpio-wcove: Fix GPIO control register offset calculation gpio: lp87565: Add support for GPIO gpio: dwapb: fix missing first irq for edgeboth irq type MAINTAINERS: Take maintainership for GPIO ACPI support gpio: exar: Fix reading of directions and values gpio: exar: Allocate resources on behalf of the platform device gpio-exar/8250-exar: Fix passing in of parent PCI device gpio: mockup: use devm_kcalloc() where applicable gpio: mockup: add myself as author gpio: mockup: improve the error message gpio: mockup: don't return magic numbers from probe() ...
| * | | | gpio: adp5588: move header file out of I2C realmWolfram Sang2017-05-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | | | | Merge branch 'work.probe_kernel_read' of ↵Linus Torvalds2017-07-061-5/+1
|\ \ \ \ \ | |_|/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull probe_kernel_read() uses from Al Viro: "Several open-coded probe_kernel_read()..." * 'work.probe_kernel_read' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: dio: use probe_kernel_read() hp_sdc: use probe_kernel_read() hpfb: use probe_kernel_read()
| * | | | hp_sdc: use probe_kernel_read()Al Viro2017-05-271-5/+1
| |/ / / | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | | Input: synaptics-rmi4 - only read the F54 query registers which are usedAndrew Duggan2017-06-231-10/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The F54 driver is currently only using the first 6 bytes of F54 so there is no need to read all 27 bytes. Some Dell systems (Dell XP13 9333 and similar) have an issue with the touchpad or I2C bus when reading reports larger then 16 bytes. Reads larger then 16 bytes are reported in two HID reports. Something about the back to back reports seems to cause the next read to report incorrect data. This results in F30 failing to load and the click button failing to work. Previous issues with the I2C controller or touchpad were addressed in: commit 5b65c2a02966 ("HID: rmi: check sanity of the incoming report") Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=195949 Signed-off-by: Andrew Duggan <aduggan@synaptics.com> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Reviewed-by: Nick Dyer <nick@shmanahar.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | | Input: i8042 - add Fujitsu Lifebook AH544 to notimeout listDaniel Drake2017-06-191-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Without this quirk, the touchpad is not responsive on this product, with the following message repeated in the logs: psmouse serio1: bad data from KBC - timeout Add it to the notimeout list alongside other similar Fujitsu laptops. Signed-off-by: Daniel Drake <drake@endlessm.com> Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | | Input: soc_button_array - fix leaking the ACPI button descriptor bufferHans de Goede2017-06-181-6/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | We are passing a buffer with ACPI_ALLOCATE_BUFFER set to acpi_evaluate_object, so we must free it when we are done with it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | | Input: synaptics-rmi4 - register F03 port as pass-through serioDmitry Torokhov2017-06-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 5th generation Thinkpad X1 Carbons use Synaptics touchpads accessible over SMBus/RMI, combined with ALPS or Elantech trackpoint devices instead of classic IBM/Lenovo trackpoints. Unfortunately there is no way for ALPS driver to detect whether it is dealing with touchpad + trackpoint combination or just a trackpoint, so we end up with a "phantom" dualpoint ALPS device in addition to real touchpad and trackpoint. Given that we do not have any special advanced handling for ALPS or Elantech trackpoints (unlike IBM trackpoints that have separate driver and a host of options) we are better off keeping the trackpoints in PS/2 emulation mode. We achieve that by setting serio type to SERIO_PS_PSTHRU, which will limit number of protocols psmouse driver will try. In addition to getting rid of the "phantom" touchpads, this will also speed up probing of F03 pass-through port. Reported-by: Damjan Georgievski <gdamjan@gmail.com> Suggested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | | Input: elantech - add Fujitsu Lifebook E546/E557 to force crc_enabledUlrik De Bie2017-06-071-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Lifebook E546 and E557 touchpad were also not functioning and worked after running: echo "1" > /sys/devices/platform/i8042/serio2/crc_enabled Add them to the list of machines that need this workaround. Signed-off-by: Ulrik De Bie <ulrik.debie-os@e2big.org> Reviewed-by: Arjan Opmeer <arjan@opmeer.net> Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | | Input: axp20x-pek - switch to acpi_dev_present and check for ACPI0011 tooHans de Goede2017-06-021-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acpi_dev_found checks that there is a matching ACPI node, but it may be disabled (_STA method returns 0) in which case the soc_button_array driver will not bind to it and axp20x-pek should handle the power-button. This commit switches from acpi_dev_found to acpi_dev_present to avoid not registering an input-dev for the powerbutton when there is a disabled PNP0C40 device. The ACPI-6.0 standard defines a standard gpio button device using the ACPI0011 HID replacing the custom PNP0C40 gpio device, many newer devices define both PNP0C40 and ACPI0011 devices enabling one or the other depending on whether the BIOS thinks it is going to boot Android or Windows. This commit adds a check for the ACPI0011 device, so that if either device is present *and* enabled we don't register an input-dev for the powerbutton. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | | Input: axp20x-pek - only check for "INTCFD9" ACPI device on Cherry TrailHans de Goede2017-06-021-7/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 9b13a4ca8d2c ("Input: axp20x-pek - do not register input device on some systems") added a check for the INTCFD9 ACPI device which also handles the powerbutton as on some systems the powerbutton is connected to both the PMIC, handled by axp20x-pek, and to a gpio on the SoC, handled by soc_button_array which attaches itself to the INTCFD9 ACPI device. Testing + comparing DSDTs has shown that this only happens on Cherry Trail devices with an AXP288 PMIC, the AXP288 PMIC is also used on Bay Trail devices but there the power button is only connected to the PMIC and not handled by soc_button_array. This means that the INTCFD9 check has caused a regression on Bay Trail devices, causing power-button presses to no longer be seen. This commit fixes this by limiting the check to devices where the ACPI node for the AXP288 contains a _HRV (hardware revision) attribute with a value of 3 which indicates we are dealing with a Cherry Trail platform. Fixes: 9b13a4ca8d2c ("Input: axp20x-pek - do not register input ...") Reported-by: Сергей Трусов <t.rus76@ya.ru> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | | Merge tag 'v4.12-rc3' into for-linusDmitry Torokhov2017-06-0213-33/+866
|\ \ \ \ | | |_|/ | |/| | | | | | | | | | Merge with mainline to get acpi_dev_present() needed by patches to axp20x-pek driver.
| * | | Merge branch 'for-linus' of ↵Linus Torvalds2017-05-263-15/+18
| |\ \ \ | | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input layer fixes from Dmitry Torokhov: "Just a few fixups to a couple of drivers" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: elan_i2c - ignore signals when finishing updating firmware Input: elan_i2c - clear INT before resetting controller Input: atmel_mxt_ts - add T100 as a readable object Input: edt-ft5x06 - increase allowed data range for threshold parameter
| * | | Merge branch 'for-linus' of ↵Linus Torvalds2017-05-135-7/+445
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull some more input subsystem updates from Dmitry Torokhov: "An updated xpad driver with a few more recognized device IDs, and a new psxpad-spi driver, allowing connecting Playstation 1 and 2 joypads via SPI bus" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: cros_ec_keyb - remove extraneous 'const' Input: add support for PlayStation 1/2 joypads connected via SPI Input: xpad - add USB IDs for Mad Catz Brawlstick and Razer Sabertooth Input: xpad - sync supported devices with xboxdrv Input: xpad - sort supported devices by USB ID
| * \ \ \ Merge tag 'hwparam-20170420' of ↵Linus Torvalds2017-05-103-4/+4
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs Pull hw lockdown support from David Howells: "Annotation of module parameters that configure hardware resources including ioports, iomem addresses, irq lines and dma channels. This allows a future patch to prohibit the use of such module parameters to prevent that hardware from being abused to gain access to the running kernel image as part of locking the kernel down under UEFI secure boot conditions. Annotations are made by changing: module_param(n, t, p) module_param_named(n, v, t, p) module_param_array(n, t, m, p) to: module_param_hw(n, t, hwtype, p) module_param_hw_named(n, v, t, hwtype, p) module_param_hw_array(n, t, hwtype, m, p) where the module parameter refers to a hardware setting hwtype specifies the type of the resource being configured. This can be one of: ioport Module parameter configures an I/O port iomem Module parameter configures an I/O mem address ioport_or_iomem Module parameter could be either (runtime set) irq Module parameter configures an I/O port dma Module parameter configures a DMA channel dma_addr Module parameter configures a DMA buffer address other Module parameter configures some other value Note that the hwtype is compile checked, but not currently stored (the lockdown code probably won't require it). It is, however, there for future use. A bonus is that the hwtype can also be used for grepping. The intention is for the kernel to ignore or reject attempts to set annotated module parameters if lockdown is enabled. This applies to options passed on the boot command line, passed to insmod/modprobe or direct twiddling in /sys/module/ parameter files. The module initialisation then needs to handle the parameter not being set, by (1) giving an error, (2) probing for a value or (3) using a reasonable default. What I can't do is just reject a module out of hand because it may take a hardware setting in the module parameters. Some important modules, some ipmi stuff for instance, both probe for hardware and allow hardware to be manually specified; if the driver is aborts with any error, you don't get any ipmi hardware. Further, trying to do this entirely in the module initialisation code doesn't protect against sysfs twiddling. [!] Note that in and of itself, this series of patches should have no effect on the the size of the kernel or code execution - that is left to a patch in the next series to effect. It does mark annotated kernel parameters with a KERNEL_PARAM_FL_HWPARAM flag in an already existing field" * tag 'hwparam-20170420' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: (38 commits) Annotate hardware config module parameters in sound/pci/ Annotate hardware config module parameters in sound/oss/ Annotate hardware config module parameters in sound/isa/ Annotate hardware config module parameters in sound/drivers/ Annotate hardware config module parameters in fs/pstore/ Annotate hardware config module parameters in drivers/watchdog/ Annotate hardware config module parameters in drivers/video/ Annotate hardware config module parameters in drivers/tty/ Annotate hardware config module parameters in drivers/staging/vme/ Annotate hardware config module parameters in drivers/staging/speakup/ Annotate hardware config module parameters in drivers/staging/media/ Annotate hardware config module parameters in drivers/scsi/ Annotate hardware config module parameters in drivers/pcmcia/ Annotate hardware config module parameters in drivers/pci/hotplug/ Annotate hardware config module parameters in drivers/parport/ Annotate hardware config module parameters in drivers/net/wireless/ Annotate hardware config module parameters in drivers/net/wan/ Annotate hardware config module parameters in drivers/net/irda/ Annotate hardware config module parameters in drivers/net/hamradio/ Annotate hardware config module parameters in drivers/net/ethernet/ ...
| | * | | | Annotate hardware config module parameters in drivers/input/David Howells2017-04-203-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the kernel is running in secure boot mode, we lock down the kernel to prevent userspace from modifying the running kernel image. Whilst this includes prohibiting access to things like /dev/mem, it must also prevent access by means of configuring driver modules in such a way as to cause a device to access or modify the kernel image. To this end, annotate module_param* statements that refer to hardware configuration and indicate for future reference what type of parameter they specify. The parameter parser in the core sees this information and can skip such parameters with an error message if the kernel is locked down. The module initialisation then runs as normal, but just sees whatever the default values for those parameters is. Note that we do still need to do the module initialisation because some drivers have viable defaults set in case parameters aren't specified and some drivers support automatic configuration (e.g. PNP or PCI) in addition to manually coded parameters. This patch annotates drivers in drivers/input/. Suggested-by: Alan Cox <gnomes@lxorguk.ukuu.org.uk> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> cc: linux-input@vger.kernel.org
| * | | | | Merge tag 'char-misc-4.12-rc1' of ↵Linus Torvalds2017-05-043-27/+6
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the big set of new char/misc driver drivers and features for 4.12-rc1. There's lots of new drivers added this time around, new firmware drivers from Google, more auxdisplay drivers, extcon drivers, fpga drivers, and a bunch of other driver updates. Nothing major, except if you happen to have the hardware for these drivers, and then you will be happy :) All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (136 commits) firmware: google memconsole: Fix return value check in platform_memconsole_init() firmware: Google VPD: Fix return value check in vpd_platform_init() goldfish_pipe: fix build warning about using too much stack. goldfish_pipe: An implementation of more parallel pipe fpga fr br: update supported version numbers fpga: region: release FPGA region reference in error path fpga altera-hps2fpga: disable/unprepare clock on error in alt_fpga_bridge_probe() mei: drop the TODO from samples firmware: Google VPD sysfs driver firmware: Google VPD: import lib_vpd source files misc: lkdtm: Add volatile to intentional NULL pointer reference eeprom: idt_89hpesx: Add OF device ID table misc: ds1682: Add OF device ID table misc: tsl2550: Add OF device ID table w1: Remove unneeded use of assert() and remove w1_log.h w1: Use kernel common min() implementation uio_mf624: Align memory regions to page size and set correct offsets uio_mf624: Refactor memory info initialization uio: Allow handling of non page-aligned memory regions hangcheck-timer: Fix typo in comment ...
| | * | | | | Merge 4.11-rc4 into char-misc-nextGreg Kroah-Hartman2017-03-2712-29/+116
| | |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We want the char-misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | * | | | | input: utilize new cdev_device_add helper functionLogan Gunthorpe2017-03-213-27/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace the open coded registration of the cdev and dev with the new device_add_cdev() helper in evdev, joydev and mousedev. The helper replaces a common pattern by taking the proper reference against the parent device and adding both the cdev and the device. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | | Merge tag 'gpio-v4.12-1' of ↵Linus Torvalds2017-05-041-2/+3
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO updates from Linus Walleij: "This is the bulk of GPIO changes for the v4.12 kernel cycle. Core changes: - Return NULL from gpiod_get_optional() when GPIOLIB is disabled. This was a much discussed change. It affects use cases where people write drivers that might or might not be using GPIO resources. I have decided that this is the lesser evil right now. - Make gpiod_count() behave consistently across different hardware descriptions. - Fix the syntax around open drain/open source to not infer active high/low semantics. New drivers: - A new single-register fixed-direction framework driver for hardware that have lines controlled by a single register that just work in one direction (out or in), including IRQ support. - Support the Fintek F71889A GPIO SuperIO controller. - Support the National NI 169445 MMIO GPIO. - Support for the X-Gene derivative of the DWC GPIO controller - Support for the Rohm BD9571MWV-M PMIC GPIO controller. - Refactor the Gemini GPIO driver to a generic Faraday FTGPIO driver and replace both the Gemini and the Moxa ART custom drivers with this driver. Driver improvements: - A whole slew of drivers have their spinlocks chaned to raw spinlocks as they provide irqchips, and thus we are progressing on realtime compliance. - Use devm_irq_alloc_descs() in a slew of drivers, getting managed resources. - Support for the embedded PWM controller inside the MVEBU driver. - Debounce, open source and open drain support for the Aspeed driver. - Misc smaller fixes like spelling and syntax and whatnot" * tag 'gpio-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (77 commits) gpio: f7188x: Add a missing break gpio: omap: return error if requested debounce time is not possible gpio: Add ROHM BD9571MWV-M PMIC GPIO driver gpio: gpio-wcove: fix GPIO IRQ status mask gpio: DT bindings, move tca9554 from pcf857x to pca953x gpio: move tca9554 from pcf857x to pca953x gpio: arizona: Correct check whether the pin is an input gpio: Add XRA1403 DTS binding documentation dt-bindings: add exar to vendor prefixes list gpio: gpio-wcove: fix irq pending status bit width gpio: dwapb: use dwapb_read instead of readl_relaxed gpio: aspeed: Add open-source and open-drain support gpio: aspeed: Add debounce support gpio: aspeed: dt: Add optional clocks property gpio: aspeed: dt: Fix description alignment in bindings document gpio: mvebu: Add limited PWM support gpio: Use unsigned int for interrupt numbers gpio: f7188x: Add F71889A GPIO support. gpio: core: Decouple open drain/source flag with active low/high gpio: arizona: Correct handling for reading input GPIOs ...
| | * | | | | | Input: soc_button_array - Propagate error from gpiod_count()Andy Shevchenko2017-03-161-2/+3
| | |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since gpiod_count() does not return 0 anymore, we don't need to shadow its error code and would safely propagate to the user. While here, replace second parameter by NULL in order to prevent side effects on _DSD enabled firmware. Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 13:47:09 +0000