This commit documents new compatible for s5pv210 soc,
which will be also supported by this driver.
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit adds support for s5pv210.
Currently only NV12 and XRGB8888 formats are supported.
It was tested by using tool from
https://www.spinics.net/lists/linux-samsung-soc/msg60498.html
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Merge tag 'vfio-ccw-20190204' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw into features
Pull vfio-ccw from Cornelia Huck with the following changes:
- A fix in ccw chain processing.
The z14 introduced alignment hints to increase the performance of
vector loads and stores. The kernel uses an implicit alignmenet
of 8 bytes for the vector registers, set the alignment hint to 3.
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Remove including <linux/version.h> that don't need it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
There is no need to use void pointers, all drivers are in agreement
about the underlying data structure of the SBAL arrays.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Map IOV resources such that pci common code recognizes the IOV
capability of PFs.
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Improve the bar check in pci_iomap_range to cover functions
for which we recognize more bars than what we can access due
to AR restrictions.
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The s390 version of the mmap_base function is ignorant of stack_guard_gap
which can lead to a placement of the stack vs. the mmap base that does not
leave enough space for the stack rlimit.
Add the stack_guard_gap to the calculation and while we are at it the
check for gap+pad overflows as well.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Remove some dead code from head64.S, which was left over since commit
da292bbe1f ("[S390] eliminate ipl_device from lowcore") removed
ipl_device from lowcore.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The #ifdef CONFIG_DMA_API_DEBUG check in reserve_kernel() is no longer
needed, since commit ea535e418c ("dma-debug: switch check from _text
to _stext") changed the logic in lib/dma-debug.c, so remove it.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This reverts commit 9594ca6b87.
With the handle_simple_irq irq_flow_handler it must be ensured to
not call generic_handle_irq with the same IRQ number on 2 CPUs at
the same time (interrupts are floating on s390).
Contrary to my initial investigation the irq_desc's lock usage in
handle_simple_irq does not ensure this. Thus re-introduce the bit-
lock usage in s390's pci handler.
Reported-by: Ursula Braun <ubraun@linux.ibm.com>
Reported-by: Alexander Schmidt <alexs@linux.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
While ioctls normally return a negative error or 0 on success, this is not
the case for CROS_EC_DEV_IOCXCMD in the cros_ec driver, which returns the
number of bytes read instead. However, CROS_EC_DEV_IOCRDMEM in the same
driver does not return the number of byte read on success. This is both
inconsistent and problematic, since the amount of returned data can be
dynamic. Have it return the number of data bytes for consistency.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_TPS68470
drivers/mfd/Kconfig: bool "TI TPS68470 Power Management / LED chips"
...meaning that it currently is not being built as a module by anyone.
Hence we remove the MODULE_DEVICE_TABLE since it is a no-op for
non-modular code.
There is no removal of <linux/module.h> here because there isn't one.
Instead, it is relying on including that implicitly from an ACPI header.
In cleaning up the ACPI instance of module.h (which also isn't strictly
needed), then this mfd driver breaks when MODULE_DEVICE_TABLE becomes
undefined here.
The easiest dependency solution is to simply defer the ACPI cleanup
until this change is present in mainline.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
They are never get changed, make them constant.
While at it, fix indent as well.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Lochnagar is an evaluation and development board for Cirrus
Logic Smart CODEC and Amp devices. It allows the connection of
most Cirrus Logic devices on mini-cards, as well as allowing
connection of various application processor systems to provide a
full evaluation platform. This driver supports the board
controller chip on the Lochnagar board. Audio system topology,
clocking and power can all be controlled through the Lochnagar
controller chip, allowing the device under test to be used in
a variety of possible use cases.
As the Lochnagar is a fairly complex device this MFD driver
allows the drivers for the various features to be bound
in. Initially clocking, regulator and pinctrl will be added as
these are necessary to configure the system. But in time at least
audio and voltage/current monitoring will also be added.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Lochnagar is an evaluation and development board for Cirrus
Logic Smart CODEC and Amp devices. It allows the connection of
most Cirrus Logic devices on mini-cards, as well as allowing
connection of various application processor systems to provide a
full evaluation platform. This driver supports the board
controller chip on the Lochnagar board.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Memory-region and flash phandle is not a required parameter, it is
optional to describe in device tree and needed only use basis.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Replace impossible BUG() in probe with a proper return. This can be
triggered only in case of a clear bug (e.g. adding broken half-support
for new S2MPSXX flavor) but BUG() is discouraged and the boot process
can actually try to continue.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct foo {
int stuff;
struct boo entry[];
};
instance = devm_kzalloc(dev, sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:
instance = devm_kzalloc(dev, struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
There is a potential NULL pointer dereference in case devm_kzalloc()
fails and returns NULL.
Fix this by adding a NULL check on *lookup*
This bug was detected with the help of Coccinelle.
Fixes: b2e6355559 ("i2c: gpio: Convert to use descriptors")
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Compared to the RFC[1] no changes to the patch itself, but igt moved
forward a lot:
- gitlab CI builds with: reduced configs/libraries, arm cross build
and a sysroot build (should address all the build/cross platform
concerns raised in the RFC discussions).
- tests reorganized into subdirectories so that the i915-gem tests
don't clog the main/shared tests directory anymore
- quite a few more non-intel people contributing/reviewing/committing
igt tests patches.
I think this addresses all the concerns raised in the RFC discussions,
and assuming there's enough Acks and no new issues that pop up, we can
go ahead with this.
v2:
- Use "should" (in the usual RFC sense) to make it clear that in the
end this is all up to reviewer's discretion, as usual (Jani).
- Also in the title s/mandatory/strongly suggested/ (me)
- Make it clear we're not going to block features if a testcase is not
feasible, given hw and state of igt, both having some good gaps in
what can be tested (Harry, Eric, Sean, ...).
1: https://patchwork.kernel.org/patch/10648851/
Cc: Petri Latvala <petri.latvala@intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Sean Paul <sean@poorly.run>
Cc: Eric Anholt <eric@anholt.net>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Stone <daniel@fooishbar.org>
Cc: "Wentland, Harry" <Harry.Wentland@amd.com>
Cc: Brian Starkey <Brian.Starkey@arm.com>
Reviewed-by: Eric Anholt <eric@anholt.net> (v1)
Acked-by: Petri Latvala <petri.latvala@intel.com>
Acked-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Acked-by: Sean Paul <sean@poorly.run>
Acked-by: "Wentland, Harry" <Harry.Wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Brian Starkey <brian.starkey@arm.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190128172258.9585-1-daniel.vetter@ffwll.ch
* Work on the new debugging infrastructure continues;
* HE radiotap;
* Support for new FW version 44;
* A couple of new FW API changes;
* A bunch of fixes for static analyzer reported issues;
* General bugfixes;
* Other cleanups and small fixes;
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Merge tag 'iwlwifi-next-for-kalle-2019-02-04' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Third batch of iwlwifi patches intended for v5.1
* Work on the new debugging infrastructure continues;
* HE radiotap;
* Support for new FW version 44;
* A couple of new FW API changes;
* A bunch of fixes for static analyzer reported issues;
* General bugfixes;
* Other cleanups and small fixes;
A collection of a few small fixes. The most significant one is the
fix for the possible race at loading HD-audio drivers. This has been
present for long time and surfaced only in a rare occasion, but
finally spotted out.
The rest are usual device-specific fixes for HD-audio and USB-audio.
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Merge tag 'sound-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of a few small fixes.
The most significant one is the fix for the possible race at loading
HD-audio drivers. This has been present for long time and surfaced
only in a rare occasion, but finally spotted out"
* tag 'sound-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/ca0132 - Fix build error without CONFIG_PCI
ALSA: compress: Fix stop handling on compressed capture streams
ALSA: usb-audio: Add support for new T+A USB DAC
ALSA: hda - Serialize codec registrations
ALSA: hda/realtek - Use a common helper for hp pin reference
ALSA: hda/realtek - Fix lose hp_pins for disable auto mute
ALSA: hda/realtek - Headset microphone support for System76 darp5
A small fix for a uapi header, and a fix for VDPA for non-x86 guests.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"A small fix for a uapi header, and a fix for VDPA for non-x86 guests"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio: drop internal struct from UAPI
virtio: support VIRTIO_F_ORDER_PLATFORM
- Cut and paste fix to have uprobe printks say "uprobe" and not "kprobe"
- Add terminating '\0' byte when copying of function arguments
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Merge tag 'trace-v5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"This has two fixes for uprobe code.
- Cut and paste fix to have uprobe printks say "uprobe" and not
"kprobe"
- Add terminating '\0' byte when copying function arguments"
* tag 'trace-v5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/uprobes: Fix output for multiple string arguments
tracing: uprobes: Fix typo in pr_fmt string
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Merge tag 'fuse-fixes-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
"A fix for a CUSE regression introduced in v4.20, as well as fixes for
a couple of old bugs"
* tag 'fuse-fixes-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: decrement NR_WRITEBACK_TEMP on the right page
fuse: call pipe_buf_release() under pipe lock
cuse: fix ioctl
fuse: handle zero sized retrieve correctly
Add support for ILI251x touch controller. This controller is similar
to the ILI210x, except for the following differences:
- Does not support I2C R-W transfer, Read must be followed by an
obscenely long delay, and then followed by Write
- Does support 10 simultaneous touch inputs.
- Touch data format is slightly different, pressure reporting does not
work although the touch data contain such information.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Perform the register access only after the I2C client data are set,
this is only done in preparation for the subsequent patch which
uses the I2C client data in the register IO function.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Get rid of the packed structures for representing data as that does not
apply to other similar Ilitek touchscreens. Instead, implement a function
which parses the data and reports touch events and coordinates.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Convert the driver to devm_request_irq(), drop the related unmanaged
deregistration code and add ili210x_irq_teardown() to tear the IRQ
down and cancel possible touchscreen pending work.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The touchscreen can have a reset GPIO connected to it, add support
for such an arrangement.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The .get_pendown_state callback is set only by the platform data code,
which was just removed. Thus, get_pendown_state() always returns false,
so drop that altogether.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
There is not a single user of the ili210x platform data in the kernel,
just drop it.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add DT binding document for the Ilitek ILI210x and ILI251x
touchscreen controllers.
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
When PIPEMIX=1, change the operation from 2x8 EP to 1x8 EP + 1x8 RC.
Signed-off-by: Qingmin Liu <qingmin.liu@broadcom.com>
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Cadence has designed a D-PHY that can be used by the, currently in tree,
DSI bridge (DRM), CSI Transceiver and CSI Receiver (v4l2) drivers.
Only the DSI driver has an ad-hoc driver for that phy at the moment, while
the v4l2 drivers are completely missing any phy support. In order to make
that phy support available to all these drivers, without having to
duplicate that code three times, let's create a generic phy framework
driver.
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
The Cadence D-PHY bindings was defined as part of the DSI block so far.
However, since it's now going to be a separate driver, we need to move the
binding to a file of its own.
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
The lanes parameter is not solely about the number of lanes, but it also
carries the fact that those are the first lanes in use during the
transmission.
It was implicit so far, so make sure it's explicit now.
Suggested-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
The Init and wakeup D-PHY parameters are in the micro/milliseconds range,
putting the values real close to the types limits if they were in
picoseconds.
Move them to microseconds which should be better fit.
Suggested-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
The videomode.h header inclusion is an artifact from the patches
development, remove it.
Suggested-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Update the Armada 3700 PHY drivers entry with the recently added UTMI
PHY driver.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
