- 08 Aug, 2017 4 commits
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Arvind Yadav authored
usb_device_id are not supposed to change at runtime. All functions working with usb_device_id provided by <linux/usb.h> work with const usb_device_id. So mark the non-const structs as const. Signed-off-by:
Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Arvind Yadav authored
usb_device_id are not supposed to change at runtime. All functions working with usb_device_id provided by <linux/usb.h> work with const usb_device_id. So mark the non-const structs as const. Fix checkpatch.pl error: ERROR: space prohibited before open square bracket '['. Signed-off-by:
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Arvind Yadav authored
usb_device_id are not supposed to change at runtime. All functions working with usb_device_id provided by <linux/usb.h> work with const usb_device_id. So mark the non-const structs as const. Signed-off-by:
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Arvind Yadav authored
usb_device_id are not supposed to change at runtime. All functions working with usb_device_id provided by <linux/usb.h> work with const usb_device_id. So mark the non-const structs as const. Fix checkpatch.pl error: ERROR: space prohibited before open square bracket '['. Signed-off-by:
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- 25 Jul, 2017 3 commits
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Nick Desaulniers authored
Clang warns: drivers/input/mousedev.c:653:63: error: implicit conversion from 'int' to 'signed char' changes value from 200 to -56 [-Wconstant-conversion] client->ps2[1] = 0x60; client->ps2[2] = 3; client->ps2[3] = 200; ~ ^~~ As the PS2 data is really a stream of bytes, let's switch to using u8 type for it, which silences this warning. Signed-off-by:Nick Desaulniers <nick.desaulniers@gmail.com> Signed-off-by:
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Dmitry Torokhov authored
device_add_properties() performs deep copy of supplied array of properties, which means that we can discard the original array. Signed-off-by: -
Joseph Chen authored
This driver provides a input driver for the power key on the Rockchip RK805 PMIC. Signed-off-by:
Joseph Chen <chenjh@rock-chips.com> Signed-off-by:
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- 24 Jul, 2017 1 commit
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Dmitry Torokhov authored
Merge branch 'bind_unbind' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into next This brings in devm_device_add_group() and friends so that we can create driver-specific device attributes as managed resources.
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- 22 Jul, 2017 7 commits
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Dmitry Torokhov authored
Now that we have proper managed API to create device attributes, let's use it instead of installing a custom devm action. Signed-off-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dmitry Torokhov authored
Now that we have proper managed API to create device attributes, let's start using it instead of the manual unwinding. Signed-off-by:
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Dmitry Torokhov authored
Now that we have proper managed API to create device attributes, let's start using it instead of the manual unwinding. Signed-off-by:
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Dmitry Torokhov authored
Many drivers create additional driver-specific device attributes when binding to the device, and providing managed version of device_create_group() will simplify unbinding and error handling in probe path for such drivers. Without managed version driver writers either have to mix manual and managed resources, which is prone to errors, or open-code this function by providing a wrapper to device_add_group() and use it with devm_add_action() or devm_add_action_or_reset(). Signed-off-by:
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Dmitry Torokhov authored
We have helpers that work with NULL terminated array of groups, but many drivers only create a single supplemental group, and do not want to declare a group array. Let's provide them with helpers working with a single group. Signed-off-by:
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Dmitry Torokhov authored
Many drivers create additional driver-specific device attributes when binding to the device. To avoid them calling SYSFS API directly, let's export these helpers. Signed-off-by:
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Dmitry Torokhov authored
There are certain touch controllers that may come up in either normal (application) or boot mode, depending on whether firmware/configuration is corrupted when they are powered on. In boot mode the kernel does not create input device instance (because it does not necessarily know the characteristics of the input device in question). Another number of controllers does not store firmware in a non-volatile memory, and they similarly need to have firmware loaded before input device instance is created. There are also other types of devices with similar behavior. There is a desire to be able to trigger firmware loading via udev, but it has to happen only when driver is bound to a physical device (i2c or spi). These udev actions can not use ADD events, as those happen too early, so we are introducing BIND and UNBIND events that are emitted at the right moment. Also, many drivers create additional driver-specific device attributes when binding to the device, to provide userspace with additional controls. The new events allow userspace to adjust these driver-specific attributes without worrying that they are not there yet. Signed-off-by:
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- 12 Jul, 2017 17 commits
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Florian Echtler authored
The SUR40 labels all reported blobs as touch, token, or generic blob. Previously, all blobs were reported as touch regardless of type, causing lots of false positives. Present patch fixes this. Signed-off-by:
Martin Kaltenbrunner <modin@yuri.at> Signed-off-by:
Florian Echtler <floe@butterbrot.org> Signed-off-by:
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Florian Echtler authored
This information is unneccessary, even as debug output. Leave commented out as documentation of the packet ID quirk. Signed-off-by:
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Florian Echtler authored
Due to recent reverse engineering efforts, a lot more information is now available about the internals of the SUR40. We document this in the kernel driver for future use. Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 9086 624 0 9710 25ee drivers/input/touchscreen/ads7846.o File size After adding 'const': text data bss dec hex filename 9198 496 0 9694 25de drivers/input/touchscreen/ads7846.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 9448 1008 0 10456 28d8 drivers/input/touchscreen/elants_i2c.o File size After adding 'const': text data bss dec hex filename 9496 944 0 10440 28c8 drivers/input/touchscreen/elants_i2c.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 7801 560 0 8361 20a9 drivers/input/touchscreen/raydium_i2c_ts.o File size After adding 'const': text data bss dec hex filename 7849 496 0 8345 2099 drivers/input/touchscreen/raydium_i2c_ts.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 12850 740 12 13602 3522 drivers/input/mouse/psmouse-base.o File size After adding 'const': text data bss dec hex filename 12914 676 12 13602 3522 drivers/input/mouse/psmouse-base.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 16815 1424 0 18239 473f drivers/input/mouse/elantech.o File size After adding 'const': text data bss dec hex filename 16879 1360 0 18239 473f drivers/input/mouse/elantech.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 5693 464 0 6157 180d drivers/input/keyboard/gpio_keys.o File size After adding 'const': text data bss dec hex filename 5749 400 0 6149 1805 drivers/input/keyboard/gpio_keys.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 6039 944 0 6983 1b47 drivers/input/misc/yealink.o File size After adding 'const': text data bss dec hex filename 6103 880 0 6983 1b47 drivers/input/misc/yealink.o Signed-off-by:
Henk Vergonet <henk.vergonet@gmail.com> Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 13547 1600 0 15147 3b2b drivers/input/misc/ims-pcu.o File size After adding 'const': text data bss dec hex filename 13675 1472 0 15147 3b2b drivers/input/misc/ims-pcu.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 4777 480 0 5257 1489 drivers/input/rmi4/rmi_f01.o File size After adding 'const': text data bss dec hex filename 4817 416 0 5233 1471 drivers/input/rmi4/rmi_f01.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 5287 448 0 5735 1667 drivers/input/rmi4/rmi_f34.o File size After adding 'const': text data bss dec hex filename 5339 384 0 5723 165b drivers/input/rmi4/rmi_f34.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 17755 1312 16 19083 4a8b drivers/input/input.o File size After adding 'const': text data bss dec hex filename 17947 1120 16 19083 4a8b drivers/input/input.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 9941 1560 0 11501 2ced drivers/input/tablet/aiptek.o File size After adding 'const': text data bss dec hex filename 10005 1496 0 11501 2ced drivers/input/tablet/aiptek.o Signed-off-by:
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Arvind Yadav authored
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 6862 1008 4 7874 1ec2 drivers/input/serio/serio.o File size After adding 'const': text data bss dec hex filename 6990 880 4 7874 1ec2 drivers/input/serio/serio.o Signed-off-by:
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Chen Hong authored
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:
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- 09 Jul, 2017 2 commits
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Joseph Lo authored
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:
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Oleksandr Andrushchenko authored
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:
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- 02 Jul, 2017 6 commits
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Linus Torvalds authored
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Sylvain 'ythier' Hitier authored
Signed-off-by:
Sylvain 'ythier' Hitier <sylvain.hitier@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Dmitry Torokhov authored
Add include/uapi/linux/input-event-codes.h and Documentation/input to the file patterns, so that patches touching these files get copied to linux-input mailing list. Signed-off-by: -
Dmitry Torokhov authored
This adds a new keycode to allow users invoke a context-aware desktop assistant application. Signed-off-by: -
git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds authored
Pull MIPS fixes from Ralf Baechle: "Here's a final round of fixes for 4.12: - Fix misordered instructions in assembly code making kenel startup via UHB unreliable. - Fix special case of MADDF and MADDF emulation. - Fix alignment issue in address calculation in pm-cps on 64 bit. - Fix IRQ tracing & lockdep when rescheduling - Systems with MAARs require post-DMA cache flushes. The reordering fix and the MADDF/MSUBF fix have sat in linux-next for a number of days. The others haven't propagated from my pull tree to linux-next yet but all have survived manual testing and Imagination's automated test system and there are no pending bug reports" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: Avoid accidental raw backtrace MIPS: Perform post-DMA cache flushes on systems with MAARs MIPS: Fix IRQ tracing & lockdep when rescheduling MIPS: pm-cps: Drop manual cache-line alignment of ready_count MIPS: math-emu: Handle zero accumulator case in MADDF and MSUBF separately MIPS: head: Reorder instructions missing a delay slot -
git://git.armlinux.org.uk/~rmk/linux-armLinus Torvalds authored
Pull ARM fix from Russell King: "One final fix for 4.12 - Doug found a boot failure case triggered by requesting a non-even MB vmalloc size" * 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 8685/1: ensure memblock-limit is pmd-aligned
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