There is no need to store data buffer size, pointer to the buffer, or endpoint
address in pxrc structure, as they are either only needed during setup, or are
available from elsewhere.
Reviewed-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Tested-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
There is no need to have the device table first in the file.
Reviewed-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Tested-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
URB is the only resource that is not managed, and thus is destroyed too early,
before we unregister input device and stop URB in pxrc_close(). To fix it let's
install custom devm handler to free the URB at the right time in devm unwind
sequence.
Reviewed-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Tested-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The USB device is only needed during setup, so put it back after
initialization and do not store it in our private struct.
Also, the USB device is a parent of USB interface so our driver
model rules ensure that USB device should not disappear while
interface device is still there; there is no need to take reference
to the USB device.
Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
gpio_keys.h uses 'bool' - type which is defined in linux/types.h.
Include this header.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
iforce_get_id_packet() invokes wait_event_interruptible_timeout() which
means it has to be in non-atomic context at that point, thus we can use
GFP_KERNEL instead of GFP_ATOMIC.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This patch adds the device tree binding documentation for common
keyboard.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Variable num_cols is being assigned but is never used hence it is
redundant and can be removed.
Cleans up clang warning:
warning: variable ‘num_cols’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Keep the documentation link up-to-date in case anybody need to dive into it
again, and update email address while at it.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The only user of this driver in mainline does not make use of the module
parameters, so let's remove them. All properties for this driver should be
set through DT or pdata.
Use touchscreen_parse_properties() to automatically set some of the common
touchscreen properties and derive the axis inversion through that.
And finally, use touchscreen_report_pos() to handle the DT properties
automatically instead of doing the inversion ourselves.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Provide a match table so that the driver can be used in devicetree setups.
More properties are added in a later patch.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Describe the bindings for EETI touchscreen controllers.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Call pm_wakeup_event on every interrupt. This should help us in identifying
if keyboard was a potential wake reason for the last resume.
Signed-off-by: Ravi Chandra Sadineni <ravisadineni@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Remove the unnecessary check before calling pm_wakeup_event. If the
device is not wake enabled, this call is no-op anyway.
Signed-off-by: Ravi Chandra Sadineni <ravisadineni@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The license text is specifying "GPLv2" but the MODULE_LICENSE is set to
GPL which means GNU Public License v2 or later. When MODULE_LICENSE and
boiler plate does not match, go for boiler plate license.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
It is now only possible to control if multi-touch virtual device
is created or not (via the corresponding XenStore entries),
but keyboard and pointer devices are always created.
In some cases this is not desirable. For example, if virtual
keyboard device is exposed to Android then the latter won't
automatically show on-screen keyboard as it expects that a
physical keyboard device can be used for typing.
Utilize keyboard and pointer device XenStore feature fields to
configure which virtual devices are created:
- set "feature-disable-keyboard" to 1 if no keyboard device
needs to be created
- set "feature-disable-pointer" to 1 if no pointer device
needs to be created
Keep old behavior by default.
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Suggested-by: Andrii Chepurnyi <andrii_chepurnyi@epam.com>
Tested-by: Andrii Chepurnyi <andrii_chepurnyi@epam.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
kbdif protocol describes multi-touch device parameters as a
part of frontend's XenBus configuration nodes while they
belong to backend's configuration. Fix this by reading the
parameters as defined by the protocol.
Fixes: 49aac8204d ("Input: xen-kbdfront - add multi-touch support")
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is the sync up with the canonical definitions of the input,
sound and display protocols in Xen.
Changes to kbdif:
1. Add missing string constants for {feature|request}-raw-pointer
to align with the rest of the interface file.
2. Add new XenStore feature fields, so it is possible to individually
control set of exposed virtual devices for each guest OS:
- set feature-disable-keyboard to 1 if no keyboard device needs
to be created
- set feature-disable-pointer to 1 if no pointer device needs
to be created
3. Move multi-touch device parameters to backend nodes: these are
described as a part of frontend's XenBus configuration nodes
while they belong to backend's configuration. Fix this by moving
the parameters to the proper section.
Unique-id field:
1. Add unique-id XenBus entry for virtual input and display.
2. Change type of unique-id field to string for sndif to align with
display and input protocols.
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
We allow changing tool type (from MT_TOOL_FINGER to MT_TOOL_PALM) so we
should not be forcing new tracking ID for the slot.
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The documentation for the touchscreen-swapped-x-y property states that
swapping is done after inverting if both are used. RMI4 did it the other
way around, leading to inconsistent behavior with regard to other
touchscreens.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Nick Dyer <nick@shmanahar.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The error return code PTR_ERR(data->irqdomain) is always 0 since
data->irqdomain is equal to NULL in this error handling case.
Fixes: 24d28e4f12 ("Input: synaptics-rmi4 - convert irq distribution to irq_domain")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Convert the RMI driver to use the standard mechanism for
distributing IRQs to the various functions.
Tested on:
* S7300 (F11, F34, F54)
* S7817 (F12, F34, F54)
Signed-off-by: Nick Dyer <nick@shmanahar.org>
Acked-by: Christopher Heiny <cheiny@synaptics.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This patch adds the Spreadtrum vibrator driver, which embedded in the
Spreadtrum SC27xx series PMICs.
Signed-off-by: Xiaotong Lu <xiaotong.lu@spreadtrum.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
GPD Win 2 Website: http://www.gpd.hk/gpdwin2.asp
Tested on a unit from the first production run sent to Indiegogo backers
Signed-off-by: Ethan Lee <flibitijibibo@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
GPD Win 2 Website: http://www.gpd.hk/gpdwin2.asp
Tested on a unit from the first production run sent to Indiegogo backers
Signed-off-by: Ethan Lee <flibitijibibo@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Pull vfs fixes from Al Viro.
- fix io_destroy()/aio_complete() race
- the vfs_open() change to get rid of open_check_o_direct() boilerplate
was nice, but buggy. Al has a patch avoiding a revert, but that's
definitely not a last-day fodder, so for now revert it is...
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
Revert "fs: fold open_check_o_direct into do_dentry_open"
fix io_destroy()/aio_complete() race
This reverts commit cab64df194.
Having vfs_open() in some cases drop the reference to
struct file combined with
error = vfs_open(path, f, cred);
if (error) {
put_filp(f);
return ERR_PTR(error);
}
return f;
is flat-out wrong. It used to be
error = vfs_open(path, f, cred);
if (!error) {
/* from now on we need fput() to dispose of f */
error = open_check_o_direct(f);
if (error) {
fput(f);
f = ERR_PTR(error);
}
} else {
put_filp(f);
f = ERR_PTR(error);
}
and sure, having that open_check_o_direct() boilerplate gotten rid of is
nice, but not that way...
Worse, another call chain (via finish_open()) is FUBAR now wrt
FILE_OPENED handling - in that case we get error returned, with file
already hit by fput() *AND* FILE_OPENED not set. Guess what happens in
path_openat(), when it hits
if (!(opened & FILE_OPENED)) {
BUG_ON(!error);
put_filp(file);
}
The root cause of all that crap is that the callers of do_dentry_open()
have no way to tell which way did it fail; while that could be fixed up
(by passing something like int *opened to do_dentry_open() and have it
marked if we'd called ->open()), it's probably much too late in the
cycle to do so right now.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull scheduler fixes from Thomas Gleixner:
- two patches addressing the problem that the scheduler allows under
certain conditions user space tasks to be scheduled on CPUs which are
not yet fully booted which causes a few subtle and hard to debug
issue
- add a missing runqueue clock update in the deadline scheduler which
triggers a warning under certain circumstances
- fix a silly typo in the scheduler header file
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/headers: Fix typo
sched/deadline: Fix missing clock update
sched/core: Require cpu_active() in select_task_rq(), for user tasks
sched/core: Fix rules for running on online && !active CPUs
Pull networking fixes from David Miller:
1) Infinite loop in _decode_session6(), from Eric Dumazet.
2) Pass correct argument to nla_strlcpy() in netfilter, also from Eric
Dumazet.
3) Out of bounds memory access in ipv6 srh code, from Mathieu Xhonneux.
4) NULL deref in XDP_REDIRECT handling of tun driver, from Toshiaki
Makita.
5) Incorrect idr release in cls_flower, from Paul Blakey.
6) Probe error handling fix in davinci_emac, from Dan Carpenter.
7) Memory leak in XPS configuration, from Alexander Duyck.
8) Use after free with cloned sockets in kcm, from Kirill Tkhai.
9) MTU handling fixes fo ip_tunnel and ip6_tunnel, from Nicolas
Dichtel.
10) Fix UAPI hole in bpf data structure for 32-bit compat applications,
from Daniel Borkmann.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (33 commits)
bpf: fix uapi hole for 32 bit compat applications
net: usb: cdc_mbim: add flag FLAG_SEND_ZLP
ip6_tunnel: remove magic mtu value 0xFFF8
ip_tunnel: restore binding to ifaces with a large mtu
net: dsa: b53: Add BCM5389 support
kcm: Fix use-after-free caused by clonned sockets
net-sysfs: Fix memory leak in XPS configuration
ixgbe: fix parsing of TC actions for HW offload
net: ethernet: davinci_emac: fix error handling in probe()
net/ncsi: Fix array size in dumpit handler
cls_flower: Fix incorrect idr release when failing to modify rule
net/sonic: Use dma_mapping_error()
xfrm Fix potential error pointer dereference in xfrm_bundle_create.
vhost_net: flush batched heads before trying to busy polling
tun: Fix NULL pointer dereference in XDP redirect
be2net: Fix error detection logic for BE3
net: qmi_wwan: Add Netgear Aircard 779S
mlxsw: spectrum: Forbid creation of VLAN 1 over port/LAG
atm: zatm: fix memcmp casting
iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs
...
Eve of merge window fix: The original code was so bogus as to be
casting the wrong generic device to an rport and proceeding to take
actions based on the bogus values it found. Fortunately it seems the
location that is dereferenced always exists, so the code hasn't oopsed
yet, but it certainly annoys the memory checkers.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"Eve of merge window fix: The original code was so bogus as to be
casting the wrong generic device to an rport and proceeding to take
actions based on the bogus values it found.
Fortunately it seems the location that is dereferenced always exists,
so the code hasn't oopsed yet, but it certainly annoys the memory
checkers"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_transport_srp: Fix shost to rport translation
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Merge tag 'drm-fixes-for-v4.17-rc8' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"A few final fixes:
i915:
- fix for potential Spectre vector in the new query uAPI
- fix NULL pointer deref (FDO #106559)
- DMI fix to hide LVDS for Radiant P845 (FDO #105468)
amdgpu:
- suspend/resume DC regression fix
- underscan flicker fix on fiji
- gamma setting fix after dpms
omap:
- fix oops regression
core:
- fix PSR timing
dw-hdmi:
- fix oops regression"
* tag 'drm-fixes-for-v4.17-rc8' of git://people.freedesktop.org/~airlied/linux:
drm/amd/display: Update color props when modeset is required
drm/amd/display: Make atomic-check validate underscan changes
drm/bridge/synopsys: dw-hdmi: fix dw_hdmi_setup_rx_sense
drm/amd/display: Fix BUG_ON during CRTC atomic check update
drm/i915/query: nospec expects no more than an unsigned long
drm/i915/query: Protect tainted function pointer lookup
drm/i915/lvds: Move acpi lid notification registration to registration phase
drm/i915: Disable LVDS on Radiant P845
drm/omap: fix NULL deref crash with SDI displays
drm/psr: Fix missed entry in PSR setup time table.
Two last minute DC fixes for 4.17. A fix for underscan on fiji and
a fix for gamma settings getting after dpms.
* 'drm-fixes-4.17' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/display: Update color props when modeset is required
drm/amd/display: Make atomic-check validate underscan changes
A final few MIPS fixes for 4.17:
- Drop Lantiq gphy reboot/remove reset (4.14)
- prctl(PR_SET_FP_MODE): Disallow PRE without FR (4.0)
- ptrace(PTRACE_PEEKUSR): Fix 64-bit FGRs (3.15)
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Merge tag 'mips_fixes_4.17_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from James Hogan:
"A final few MIPS fixes for 4.17:
- drop Lantiq gphy reboot/remove reset (4.14)
- prctl(PR_SET_FP_MODE): Disallow PRE without FR (4.0)
- ptrace(PTRACE_PEEKUSR): Fix 64-bit FGRs (3.15)"
* tag 'mips_fixes_4.17_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs
MIPS: prctl: Disallow FRE without FR with PR_SET_FP_MODE requests
MIPS: lantiq: gphy: Drop reboot/remove reset asserts
- Revert a pfn page mapping optimization identified as introducing
a bad page state regression (Alex Williamson)
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Merge tag 'vfio-v4.17' of git://github.com/awilliam/linux-vfio
Pull VFIO fix from Alex Williamson:
"Revert a pfn page mapping optimization identified as introducing a bad
page state regression (Alex Williamson)"
* tag 'vfio-v4.17' of git://github.com/awilliam/linux-vfio:
Revert "vfio/type1: Improve memory pinning process for raw PFN mapping"
Here are 4 small bugfixes for some char/misc drivers. Well, really 3
fixes and one fix for one of those fixes due to problems found by 0-day.
This resolves some reported issues with the hwtracing drivers, and a
reported regression for the thunderbolt subsystem. All of these have
been in linux-next for a while now with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are four small bugfixes for some char/misc drivers. Well, really
three fixes and one fix for one of those fixes due to problems found
by 0-day.
This resolves some reported issues with the hwtracing drivers, and a
reported regression for the thunderbolt subsystem. All of these have
been in linux-next for a while now with no reported problems"
* tag 'char-misc-4.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
hwtracing: stm: fix build error on some arches
intel_th: Use correct device when freeing buffers
stm class: Use vmalloc for the master map
thunderbolt: Handle NULL boot ACL entries properly
Here are some old IIO driver fixes that were sitting in my tree for a
few weeks. Sorry about not getting them to you sooner. They fix a
number of small IIO driver issues that have been reported.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO driver fixes from Greg KH:
"Here are some old IIO driver fixes that were sitting in my tree for a
few weeks. Sorry about not getting them to you sooner. They fix a
number of small IIO driver issues that have been reported.
All of these have been in linux-next for a while with no reported
problems"
* tag 'staging-4.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: adc: select buffer for at91-sama5d2_adc
iio: hid-sensor-trigger: Fix sometimes not powering up the sensor after resume
iio: adc: at91-sama5d2_adc: fix channel configuration for differential channels
iio:kfifo_buf: check for uint overflow
iio:buffer: make length types match kfifo types
iio: adc: stm32-dfsdm: fix sample rate for div2 spi clock
iio: adc: stm32-dfsdm: fix successive oversampling settings
iio: ad7793: implement IIO_CHAN_INFO_SAMP_FREQ
- bnxt netdev changes merged this cycle caused the bnxt RDMA driver to crash under
certain situations
- Arnd found (several, unfortunately) kconfig problems with the patches adding
INFINIBAND_ADDR_TRANS. Reverting this last part, will fix it more fully
outside -rc.
- Subtle change in error code for a uapi function caused breakage in userspace.
This was bug was subtly introduced cycle
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Just three small last minute regressions that were found in the last
week. The Broadcom fix is a bit big for rc7, but since it is fixing
driver crash regressions that were merged via netdev into rc1, I am
sending it.
- bnxt netdev changes merged this cycle caused the bnxt RDMA driver
to crash under certain situations
- Arnd found (several, unfortunately) kconfig problems with the
patches adding INFINIBAND_ADDR_TRANS. Reverting this last part,
will fix it more fully outside -rc.
- Subtle change in error code for a uapi function caused breakage in
userspace. This was bug was subtly introduced cycle"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
IB/core: Fix error code for invalid GID entry
IB: Revert "remove redundant INFINIBAND kconfig dependencies"
RDMA/bnxt_re: Fix broken RoCE driver due to recent L2 driver changes
