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commit 03b2a320b19f1424e9ac9c21696be9c60b6d0d93 upstream.
The x86_hyper pointer is only used for checking whether a virtual
device is supporting the hypervisor the system is running on.
Use an enum for that purpose instead and drop the x86_hyper pointer.
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Xavier Deguillard <xdeguillard@vmware.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: akataria@vmware.com
Cc: arnd@arndb.de
Cc: boris.ostrovsky@oracle.com
Cc: devel@linuxdriverproject.org
Cc: dmitry.torokhov@gmail.com
Cc: gregkh@linuxfoundation.org
Cc: haiyangz@microsoft.com
Cc: kvm@vger.kernel.org
Cc: kys@microsoft.com
Cc: linux-graphics-maintainer@vmware.com
Cc: linux-input@vger.kernel.org
Cc: moltmann@vmware.com
Cc: pbonzini@redhat.com
Cc: pv-drivers@vmware.com
Cc: rkrcmar@redhat.com
Cc: sthemmin@microsoft.com
Cc: virtualization@lists.linux-foundation.org
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/20171109132739.23465-3-jgross@suse.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer updates from Dmitry Torokhov:
- a new ACPI ID for Elan touchpad found in yet another Ideapad model
- Synaptics RMI4 will allow binding to controllers reporting SMB
version 3 (note that we are not adding any new ACPI IDs to the
Synaptics PS/2 drover so unless user explicitly enables intertouch
support there is no user-visible change)
- a fixup to TSC 2004/5 touchscreen driver to mark input devices as
"direct" to help userspace identify the type of device they are
dealing with
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - RMI4 can also use SMBUS version 3
Input: tsc200x-core - set INPUT_PROP_DIRECT
Input: elan_i2c - add ELAN060C to the ACPI table
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Some Synaptics devices, such as LEN0073, use SMBUS version 3.
Signed-off-by: Yiannis Marangos <yiannis.marangos@gmail.com>
Acked-by: Benjamin Tissoires <benjamion.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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If INPUT_PROP_DIRECT is set, userspace doesn't have to fall back to old
ways of identifying touchscreen devices.
In order to identify a touchscreen device, Android for example, seems to
already depend on INPUT_PROP_DIRECT to be present in drivers. udev still
checks for either BTN_TOUCH or INPUT_PROP_DIRECT. Checking for BTN_TOUCH
however can quite easily lead to false positives; it's a code that not only
touchscreen device drivers use.
According to the documentation, touchscreen drivers should have this
property set and in order to make life easy for userspace, let's set it.
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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ELAN060C touchpad uses elan_i2c as its driver. It can be
found on Lenovo ideapad 320-14AST.
BugLink: https://bugs.launchpad.net/bugs/1727544
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Just a couple of fixups to the sparse-keymap module and the Microchip
AR1021 touchscreen driver"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: sparse-keymap - send sync event for KE_SW/KE_VSW
Input: ar1021_i2c - set INPUT_PROP_DIRECT
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Sync events are sent by sparse_keymap_report_entry for normal KEY_*
events, and are generated by several drivers after generating
SW_* events, so sparse_keymap_report_entry should do the same.
Without the sync, events are accumulated in the kernel.
Currently, no driver uses sparse-keymap for SW_* events, but
it is required for the intel-vbtn platform driver to generate
SW_TABLET_MODE events.
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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If INPUT_PROP_DIRECT is set, userspace doesn't have to fall back to old
ways of identifying touchscreen devices. Let's add it.
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull initial SPDX identifiers from Greg KH:
"License cleanup: add SPDX license identifiers to some files
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the
'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally
binding shorthand, which can be used instead of the full boiler plate
text.
This patch is based on work done by Thomas Gleixner and Kate Stewart
and Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset
of the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to
license had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied
to a file was done in a spreadsheet of side by side results from of
the output of two independent scanners (ScanCode & Windriver)
producing SPDX tag:value files created by Philippe Ombredanne.
Philippe prepared the base worksheet, and did an initial spot review
of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537
files assessed. Kate Stewart did a file by file comparison of the
scanner results in the spreadsheet to determine which SPDX license
identifier(s) to be applied to the file. She confirmed any
determination that was not immediately clear with lawyers working with
the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained
>5 lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that
was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that
became the concluded license(s).
- when there was disagreement between the two scanners (one detected
a license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply
(and which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases,
confirmation by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights.
The Windriver scanner is based on an older version of FOSSology in
part, so they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot
checks in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect
the correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial
patch version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch
license was not GPL-2.0 WITH Linux-syscall-note to ensure that the
applied SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'spdx_identifiers-4.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
License cleanup: add SPDX license identifier to uapi header files with a license
License cleanup: add SPDX license identifier to uapi header files with no license
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- fix gtco tablet driver, tightening parsing of HID descriptors
- add ACPI ID added to Elan driver to be able to handle touchpads found
in Lenovo Ideapad 320/520
- fix the Symaptics RMI4 driver to adjust handling of buttons
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - limit the range of what GPIOs are buttons
Input: gtco - fix potential out-of-bound access
Input: elan_i2c - add ELAN0611 to the ACPI table
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By convention the first 6 bits of F30 Ctrl 2 and 3 are used to signify
GPIOs which are connected to buttons. Additional GPIOs may be used as
input GPIOs to signal the touch controller of some event
(ie disable touchpad). These additional GPIOs may meet the criteria of
a button in rmi_f30_is_valid_button() but should not be considered
buttons. This patch limits the GPIOs which are mapped to buttons to just
the first 6.
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Reported-by: Daniel Martin <consume.noise@gmail.com>
Tested-by: Daniel Martin <consume.noise@gmail.com>
Acked-By: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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parse_hid_report_descriptor() has a while (i < length) loop, which
only guarantees that there's at least 1 byte in the buffer, but the
loop body can read multiple bytes which causes out-of-bounds access.
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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ELAN0611 touchpad uses elan_i2c as its driver. It can be found
on Lenovo ideapad 320-15IKB.
So add it to ACPI table to enable the touchpad.
[Ido Adiv <idoad123@gmail.com> reports that the same ACPI ID is used for
Elan touchpad in ideapad 520].
BugLink: https://bugs.launchpad.net/bugs/1723736
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- joydev now implements a blacklist to avoid creating joystick nodes
for accelerometers found in composite devices such as PlaStation
controllers
- assorted driver fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ims-psu - check if CDC union descriptor is sane
Input: joydev - blacklist ds3/ds4/udraw motion sensors
Input: allow matching device IDs on property bits
Input: factor out and export input_device_id matching code
Input: goodix - poll the 'buffer status' bit before reading data
Input: axp20x-pek - fix module not auto-loading for axp221 pek
Input: tca8418 - enable interrupt after it has been requested
Input: stmfts - fix setting ABS_MT_POSITION_* maximum size
Input: ti_am335x_tsc - fix incorrect step config for 5 wire touchscreen
Input: synaptics - disable kernel tracking on SMBus devices
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Before trying to use CDC union descriptor, try to validate whether that it
is sane by checking that intf->altsetting->extra is big enough and that
descriptor bLength is not too big and not too small.
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Introduce a device table used for blacklisting devices. We currently
blacklist the motion sensor subdevice of THQ Udraw and Sony ds3/ds4.
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
[dtor: siwtched to blacklist built on input_device_id and using
input_match_device_id()]
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Let's allow matching input devices on their property bits, both in-kernel
and when generating module aliases.
Tested-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Factor out and export input_match_device_id() so that modules may use it.
It will be needed by joydev to blacklist accelerometers in composite
devices.
Tested-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The Goodix panel triggers an interrupt on touch events. However, its
registers will contain the valid values a short time after the
interrupt, and not when it's raised. At that moment, the 'buffer status'
bit is set.
Previously, if the 'buffer status' bit was not set when the registers
were read, the data was discarded and no input event was emitted,
causing "finger down" or "finger up" events to be missed sometimes.
This went unnoticed until v4.9, as the DesignWare I2C driver commonly
used with this driver had enough latency for that bug to never trigger
until commit 2702ea7dbec5 ("i2c: designware: wait for disable/enable only
if necessary").
Now, in the IRQ handler we will poll (with a timeout) the 'buffer status'
bit and process the data of the panel as soon as this bit gets set.
Note that the Goodix panel will send a few spurious interrupts after the
'finger up' event, in which the 'buffer status' bit will never be set.
Cc: Bastien Nocera <hadess@hadess.net>
Cc: russianneuromancer@ya.ru
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
[hdegoede@redhat.com: Change poll loop to use jiffies,
add comment about typical poll time]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
[dtor: rearranged control flow a bit to avoid explicit goto and double
check]
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Now that we have a platform_device_id table and multiple supported ids
we should be using MODULE_DEVICE_TABLE instead of MODULE_ALIAS.
This fixes a regression on Bay and Cherry Trail devices, where the power
button is now enumerated as an "axp221-pek" and it was impossible to
wakeup these devices from suspend since the module did not load.
Fixes: c3cc94470bd3 ("Input: axp20x-pek - add support for AXP221 PEK")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Currently, enabling keypad interrupts is one of the first operations
done on the keypad, even before the interrupt is requested, so there is
a small time window where the keypad can fire interrupts but the driver
is not yet ready to handle them. It's fine for level interrupts because
they will be handled anyway, but not so much for edge ones.
This commit modifies and moves the function in charge of configuring the
keypad. Enabling interrupts is now the last thing done on the keypad,
and after the interrupt has been requested by the driver.
Writing to the config register was also used to determine if the device
was indeed present on the bus or not, this has been replaced by reading
the lock/event count register to keep the same functionality.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The commit 78bcac7b2ae1e ("Input: add support for the STMicroelectronics
FingerTip touchscreen) used the 'touchscreen_parse_properties()' helper
function in order to get the value of common properties.
But, commit 78bcac7b2ae1e didn't set the capability of ABS_MT_POSITION_*
before calling touchscreen_parse_properties(). In result, the max_x and
max_y of 'struct touchscreen_properties' were not set.
Fixes: 78bcac7b2ae1e ("Input: add support for the STMicroelectronics FingerTip touchscreen")
Cc: stable@vger.kernel.org
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Step config setting for 5 wire touchscreen is incorrect for Y coordinates.
It was broken while we moved to DT. If you look close at the offending
commit bb76dc09ddfc ("input: ti_am33x_tsc: Order of TSC wires, made
configurable"), the change was:
- STEPCONFIG_XNP | STEPCONFIG_YPN;
+ ts_dev->bit_xn | ts_dev->bit_yp;
while bit_xn = STEPCONFIG_XNN and bit_yp = STEPCONFIG_YNN. Not quite the
same.
Fixes: bb76dc09ddfc ("input: ti_am33x_tsc: Order of TSC wires, made configurable")
Signed-off-by: Jeff Lance <j-lance1@ti.com>
[vigneshr@ti.com: Rebase to v4.14-rc1]
Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Michael Nazzareno Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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In certain situations kernel tracking seems to be getting confused
and incorrectly reporting the slot of a contact. On example is when
the user does a three finger click or tap and then places two fingers
on the touchpad in the same area. The kernel tracking code seems to
continue to think that there are three contacts on the touchpad and
incorrectly alternates the slot of one of the contacts. The result that
is the input subsystem reports a stream of button press and release
events as the reported slot changes.
Kernel tracking was originally enabled to prevent cursor jumps, but it
is unclear how much of an issue kernel jumps actually are. This patch
simply disabled kernel tracking for now.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1482640
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Tested-by: Kamil Páral <kparal@redhat.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- fixes for two long standing issues (lock up and a crash) in force
feedback handling in uinput driver
- tweak to firmware update timing in Elan I2C touchpad driver.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elan_i2c - extend Flash-Write delay
Input: uinput - avoid crash when sending FF request to device going away
Input: uinput - avoid FF flush when destroying device
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The original 20ms delay is only marginally enough delay after a block write
operation during firmware update. Let's increase the delay to ensure that
the controller finishes up storing the page to avoid failures in the
firmware updates.
Signed-off-by: KT Liao <kt.liao@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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If FF request comes in while uinput device is going away,
uinput_request_send() will fail with -ENODEV, and uinput_request_submit()
will attempt to mark the slot as unused by calling uinput_request_done().
Unfortunately in this case we haven't initialized request->done completion
yet, and we get a crash:
[ 39.402036] BUG: spinlock bad magic on CPU#1, fftest/3108
[ 39.402046] lock: 0xffff88006a93bb00, .magic: 00000000, .owner: /39, .owner_cpu: 1217155072
[ 39.402055] CPU: 1 PID: 3108 Comm: fftest Tainted: G W 4.13.0+ #15
[ 39.402059] Hardware name: LENOVO 20HQS0EG02/20HQS0EG02, BIOS N1MET37W (1.22 ) 07/04/2017
[ 39.402064] 0000000000000086 f0fad82f3ceaa120 ffff88006a93b9a0 ffffffff9de941bb
[ 39.402077] ffff88026df8ae00 ffff88006a93bb00 ffff88006a93b9c0 ffffffff9dca62b7
[ 39.402088] ffff88006a93bb00 ffff88006a93baf8 ffff88006a93b9e0 ffffffff9dca62e7
[ 39.402099] Call Trace:
[ 39.402112] [<ffffffff9de941bb>] dump_stack+0x4d/0x63
[ 39.402123] [<ffffffff9dca62b7>] spin_dump+0x97/0x9c
[ 39.402130] [<ffffffff9dca62e7>] spin_bug+0x2b/0x2d
[ 39.402138] [<ffffffff9dca6373>] do_raw_spin_lock+0x28/0xfd
[ 39.402147] [<ffffffff9e3055cd>] _raw_spin_lock_irqsave+0x19/0x1f
[ 39.402154] [<ffffffff9dca05b7>] complete+0x1d/0x48
[ 39.402162] [<ffffffffc04f30af>] 0xffffffffc04f30af
[ 39.402167] [<ffffffffc04f468c>] 0xffffffffc04f468c
[ 39.402177] [<ffffffff9dd59c16>] ? __slab_free+0x22f/0x359
[ 39.402184] [<ffffffff9dcc13e9>] ? tk_clock_read+0xc/0xe
[ 39.402189] [<ffffffffc04f471f>] 0xffffffffc04f471f
[ 39.402195] [<ffffffff9dc9ffe5>] ? __wake_up+0x44/0x4b
[ 39.402200] [<ffffffffc04f3240>] ? 0xffffffffc04f3240
[ 39.402207] [<ffffffff9e0f57f3>] erase_effect+0xa1/0xd2
[ 39.402214] [<ffffffff9e0f58c6>] input_ff_flush+0x43/0x5c
[ 39.402219] [<ffffffffc04f32ad>] 0xffffffffc04f32ad
[ 39.402227] [<ffffffff9e0f174f>] input_flush_device+0x3d/0x51
[ 39.402234] [<ffffffff9e0f69ae>] evdev_flush+0x49/0x5c
[ 39.402243] [<ffffffff9dd62d6e>] filp_close+0x3f/0x65
[ 39.402253] [<ffffffff9dd7dcf7>] put_files_struct+0x66/0xc1
[ 39.402261] [<ffffffff9dd7ddeb>] exit_files+0x47/0x4e
[ 39.402270] [<ffffffff9dc6b329>] do_exit+0x483/0x969
[ 39.402278] [<ffffffff9dc73211>] ? recalc_sigpending_tsk+0x3d/0x44
[ 39.402285] [<ffffffff9dc6c7a2>] do_group_exit+0x42/0xb0
[ 39.402293] [<ffffffff9dc767e1>] get_signal+0x58d/0x5bf
[ 39.402300] [<ffffffff9dc03701>] do_signal+0x37/0x53e
[ 39.402307] [<ffffffff9e0f8401>] ? evdev_ioctl_handler+0xac8/0xb04
[ 39.402314] [<ffffffff9e0f8464>] ? evdev_ioctl+0x10/0x12
[ 39.402321] [<ffffffff9dd74cfa>] ? do_vfs_ioctl+0x42e/0x501
[ 39.402328] [<ffffffff9dc0170e>] prepare_exit_to_usermode+0x66/0x90
[ 39.402333] [<ffffffff9dc0181b>] syscall_return_slowpath+0xe3/0xec
[ 39.402339] [<ffffffff9e305b7b>] int_ret_from_sys_call+0x25/0x8f
While we could solve this by simply initializing the completion earlier, we
are better off rearranging the code a bit so we avoid calling complete() on
requests that we did not send out. This patch consolidates marking request
slots as free in one place (in uinput_request_submit(), the same place
where we acquire them) and having everyone else simply signal completion
of the requests.
Fixes: 00ce756ce53a ("Input: uinput - mark failed submission requests as free")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Normally, when input device supporting force feedback effects is being
destroyed, we try to "flush" currently playing effects, so that the
physical device does not continue vibrating (or executing other effects).
Unfortunately this does not work well for uinput as flushing of the effects
deadlocks with the destroy action:
- if device is being destroyed because the file descriptor is being closed,
then there is noone to even service FF requests;
- if device is being destroyed because userspace sent UI_DEV_DESTROY,
while theoretically it could be possible to service FF requests,
userspace is unlikely to do so (they'd need to make sure FF handling
happens on a separate thread) even if kernel solves the issue with FF
ioctls deadlocking with UI_DEV_DESTROY ioctl on udev->mutex.
To avoid lockups like the one below, let's install a custom input device
flush handler, and avoid trying to flush force feedback effects when we
destroying the device, and instead rely on uinput to shut off the device
properly.
NMI watchdog: Watchdog detected hard LOCKUP on cpu 3
...
<<EOE>> [<ffffffff817a0307>] _raw_spin_lock_irqsave+0x37/0x40
[<ffffffff810e633d>] complete+0x1d/0x50
[<ffffffffa00ba08c>] uinput_request_done+0x3c/0x40 [uinput]
[<ffffffffa00ba587>] uinput_request_submit.part.7+0x47/0xb0 [uinput]
[<ffffffffa00bb62b>] uinput_dev_erase_effect+0x5b/0x76 [uinput]
[<ffffffff815d91ad>] erase_effect+0xad/0xf0
[<ffffffff815d929d>] flush_effects+0x4d/0x90
[<ffffffff815d4cc0>] input_flush_device+0x40/0x60
[<ffffffff815daf1c>] evdev_cleanup+0xac/0xc0
[<ffffffff815daf5b>] evdev_disconnect+0x2b/0x60
[<ffffffff815d74ac>] __input_unregister_device+0xac/0x150
[<ffffffff815d75f7>] input_unregister_device+0x47/0x70
[<ffffffffa00bac45>] uinput_destroy_device+0xb5/0xc0 [uinput]
[<ffffffffa00bb2de>] uinput_ioctl_handler.isra.9+0x65e/0x740 [uinput]
[<ffffffff811231ab>] ? do_futex+0x12b/0xad0
[<ffffffffa00bb3f8>] uinput_ioctl+0x18/0x20 [uinput]
[<ffffffff81241248>] do_vfs_ioctl+0x298/0x480
[<ffffffff81337553>] ? security_file_ioctl+0x43/0x60
[<ffffffff812414a9>] SyS_ioctl+0x79/0x90
[<ffffffff817a04ee>] entry_SYSCALL_64_fastpath+0x12/0x71
Reported-by: Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
Reported-by: Clément VUCHENER <clement.vuchener@gmail.com>
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=193741
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull more input updates from Dmitry Torokhov:
"A second round of updates for the input subsystem:
- a new driver for PWM-controlled vibrators
- ucb1400 touchscreen driver had completely busted suspend/resume
handling
- we now handle "home" button found on some devices with Goodix
touchscreens
- assorted other fixups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - add Gigabyte P57 to the keyboard reset table
Input: xpad - validate USB endpoint type during probe
Input: ucb1400_ts - fix suspend and resume handling
Input: edt-ft5x06 - fix access to non-existing register
Input: elantech - make arrays debounce_packet static, reduces object code size
Input: surface3_spi - make const array header static, reduces object code size
Input: goodix - add support for capacitive home button
Input: add a driver for PWM controllable vibrators
Input: adi - make array seq static, reduces object code size
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Prepare second round of input updates for 4.14 merge window.
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Similar to other Gigabyte laptops, the touchpad on P57 requires a
keyboard reset to detect Elantech touchpad correctly.
BugLink: https://bugs.launchpad.net/bugs/1594214
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We should only see devices with interrupt endpoints. Ignore any other
endpoints that we find, so we don't send try to send them interrupt URBs
and trigger a WARN down in the USB stack.
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org> # c01b5e7464f0 Input: xpad - don't depend on endpoint order
Signed-off-by: Cameron Gutman <aicommander@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of stopping the touchscreen we were starting it in suspend, and
disabling it in resume.
Fixes: c899afedf168 ("Input: ucb1400_ts - convert to threaded IRQ")
Reported-by: Anton Volkov <avolkov@ispras.ru>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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reg_addr->reg_report_rate is supposed to exist in M06, not M09.
The driver is written to skip avoids access to non-existing registers
when the register address is NO_REGISTER (0xff). But
reg_addr->reg_report_rate is initialized to 0x00 by devm_kzalloc() (in
edt_ft5x06_ts_probe()) and not changed thereafter. So the checks do
not work and an access to register 0x00 is done.
Fix by setting reg_addr->reg_report_rate to NO_REGISTER.
Also fix the only place where reg_report_rate is checked against zero
instead of NO_REGISTER.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Don't populate the arrays debounce_packet on the stack, instead make
them static. Makes the object code smaller by over 870 bytes:
Before:
text data bss dec hex filename
30553 9152 0 39705 9b19 drivers/input/mouse/elantech.o
After:
text data bss dec hex filename
29521 9312 0 38833 97b1 drivers/input/mouse/elantech.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Don't populate the const array header on the stack, instead make it
static. Makes the object code smaller by over 180 bytes:
Before:
text data bss dec hex filename
6003 1536 0 7539 1d73 surface3_spi.o
After:
text data bss dec hex filename
5726 1632 0 7358 1cbe surface3_spi.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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On some x86 tablets with a Goodix touchscreen, the Windows logo on the
front is a capacitive home button. Touching this button results in a touch
with bit 4 of the first byte set, while only the lower 4 bits (0-3) are
used to indicate the number of touches.
Report a KEY_LEFTMETA press when this happens.
Note that the hardware might support more than one button, in which
case the "id" byte of coor_data would identify the button in question.
This is not implemented as we don't have access to hardware with
multiple buttons.
Signed-off-by: Sergei A. Trusov <sergei.a.trusov@ya.ru>
Acked-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Provide a simple driver for PWM controllable vibrators.
It will be used by Motorola Droid 4.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Don't populate the array seq on the stack, instead make it static.
Makes the object code smaller by over 170 bytes:
Before:
text data bss dec hex filename
13227 3232 0 16459 404b drivers/input/joystick/adi.o
After:
text data bss dec hex filename
12957 3328 0 16285 3f9d drivers/input/joystick/adi.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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... and __initconst if applicable.
Based on similar work for an older kernel in the Grsecurity patch.
[JD: fix toshiba-wmi build]
[JD: add htcpen]
[JD: move __initconst where checkscript wants it]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers
- RK805 Power Management IC (PMIC)
- ROHM BD9571MWV-M MFD Power Management IC (PMIC)
- Texas Instruments TPS68470 Power Management IC (PMIC) & LEDs
New Device Support:
- Add support for HiSilicon Hi6421v530 to hi6421-pmic-core
- Add support for X-Powers AXP806 to axp20x
- Add support for X-Powers AXP813 to axp20x
- Add support for Intel Sunrise Point LPSS to intel-lpss-pci
New Functionality:
- Amend API to provide register layout; atmel-smc
Fix-ups:
- DT re-work; omap, nokia
- Header file location change {I2C => MFD}; dm355evm_msp, tps65010
- Fix chip ID formatting issue(s); rk808
- Optionally register touchscreen devices; da9052-core
- Documentation improvements; twl-core
- Constification; rtsx_pcr, ab8500-core, da9055-i2c, da9052-spi
- Drop unnecessary static declaration; max8925-i2c
- Kconfig changes (missing deps and remove module support)
- Slim down oversized licence statement; hi6421-pmic-core
- Use managed resources (devm_*); lp87565
- Supply proper error checking/handling; t7l66xb
Bug Fixes:
- Fix counter duplication issue; da9052-core
- Fix potential NULL deference issue; max8998
- Leave SPI-NOR write-protection bit alone; lpc_ich
- Ensure device is put into reset during suspend; intel-lpss
- Correct register offset variable size; omap-usb-tll"
* tag 'mfd-next-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (61 commits)
mfd: intel_soc_pmic: Differentiate between Bay and Cherry Trail CRC variants
mfd: intel_soc_pmic: Export separate mfd-cell configs for BYT and CHT
dt-bindings: mfd: Add bindings for ZII RAVE devices
mfd: omap-usb-tll: Fix register offsets
mfd: da9052: Constify spi_device_id
mfd: intel-lpss: Put I2C and SPI controllers into reset state on suspend
mfd: da9055: Constify i2c_device_id
mfd: intel-lpss: Add missing PCI ID for Intel Sunrise Point LPSS devices
mfd: t7l66xb: Handle return value of clk_prepare_enable
mfd: Add ROHM BD9571MWV-M PMIC DT bindings
mfd: intel_soc_pmic_chtwc: Turn Kconfig option into a bool
mfd: lp87565: Convert to use devm_mfd_add_devices()
mfd: Add support for TPS68470 device
mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell
mfd: syscon: atmel-smc: Add helper to retrieve register layout
mfd: axp20x: Use correct platform device ID for many PEK
dt-bindings: mfd: axp20x: Introduce bindings for AXP813
mfd: axp20x: Add support for AXP813 PMIC
dt-bindings: mfd: axp20x: Add AXP806 to supported list of chips
mfd: Add ROHM BD9571MWV-M MFD PMIC driver
...
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'ib-mfd-hwmon-4.14', 'ib-mfd-iio-pwm-4.14', 'ib-mfd-input-rtc-4.14', 'ib-mfd-many-4.14' and 'ib-mfd-pinctrl-regulator-4.14' into ibs-for-mfd-merged
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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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new GPIO bit-banging driver implementing PS/2 protocol
- a new power key driver for Rockchip RK805 PMIC
- bunch of patches constifying various device ID structures
- Elan I2C touchpad driver now supports devices with 2 buttons
- other assorted fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (76 commits)
Input: byd - make array seq static, reduces object code size
Input: xilinx_ps2 - fix multiline comment style
Input: pxa27x_keypad - handle return value of clk_prepare_enable
Input: tegra-kbc - handle return value of clk_prepare_enable
Input: PS/2 gpio bit banging driver for serio bus
Input: xen-kbdfront - enable auto repeat for xen keyboard frontend driver
Input: ambakmi - constify amba_id
Input: atmel_mxt_ts - add support for reset line
Input: atmel_mxt_ts - use more managed resources
Input: wacom_w8001 - constify serio_device_id
Input: tsc40 - constify serio_device_id
Input: touchwin - constify serio_device_id
Input: touchright - constify serio_device_id
Input: touchit213 - constify serio_device_id
Input: penmount - constify serio_device_id
Input: mtouch - constify serio_device_id
Input: inexio - constify serio_device_id
Input: hampshire - constify serio_device_id
Input: gunze - constify serio_device_id
Input: fujitsu_ts - constify serio_device_id
...
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Prepare input updates for 4.14 merge window.
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Don't populate the array seq on the stack, instead make it static.
Makes the object code smaller by over 1100 bytes:
Before:
text data bss dec hex filename
6152 1216 64 7432 1d08 drivers/input/mouse/byd.o
After:
text data bss dec hex filename
4974 1280 64 6318 18ae drivers/input/mouse/byd.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fix multiline comments style not to be reported by checkpatch.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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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>
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