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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core update from Greg KH:
"Here's the set of driver core patches for 3.19-rc1.
They are dominated by the removal of the .owner field in platform
drivers. They touch a lot of files, but they are "simple" changes,
just removing a line in a structure.
Other than that, a few minor driver core and debugfs changes. There
are some ath9k patches coming in through this tree that have been
acked by the wireless maintainers as they relied on the debugfs
changes.
Everything has been in linux-next for a while"
* tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits)
Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries"
fs: debugfs: add forward declaration for struct device type
firmware class: Deletion of an unnecessary check before the function call "vunmap"
firmware loader: fix hung task warning dump
devcoredump: provide a one-way disable function
device: Add dev_<level>_once variants
ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries
ath: use seq_file api for ath9k debugfs files
debugfs: add helper function to create device related seq_file
drivers/base: cacheinfo: remove noisy error boot message
Revert "core: platform: add warning if driver has no owner"
drivers: base: support cpu cache information interface to userspace via sysfs
drivers: base: add cpu_device_create to support per-cpu devices
topology: replace custom attribute macros with standard DEVICE_ATTR*
cpumask: factor out show_cpumap into separate helper function
driver core: Fix unbalanced device reference in drivers_probe
driver core: fix race with userland in device_add()
sysfs/kernfs: make read requests on pre-alloc files use the buffer.
sysfs/kernfs: allow attributes to request write buffer be pre-allocated.
fs: sysfs: return EGBIG on write if offset is larger than file size
...
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Merge fbdev topic branches.
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"i2c_put_adapter"
The i2c_put_adapter() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In new model these callbacks are obsolete since the ASoC component
drivers are integrated into the HDMI drivers and no callbacks are
needed anymore.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In omapdss_of_find_source_for_first_ep, we retrieve a source endpoint's DT node,
and then see what omapdss output has the matching device_node pointer in
omap_dss_find_output_by_node.
For all DPI and SDI outputs, the device_node pointer is set as the parent's DSS
device_node pointer. If the source is one of these outputs, the above method
won't work.
To get the correct output for ports within DSS(and in other cases in the future,
where multiple ports might be under one device), we require additional
information which is exclusive to the output port.
We create a new field in omap_dss_device called 'port_num', this provides port
number of the output port corresponding to this device. When searching for the
source endpoint in DT, we extract the 'reg' property from the port corresponding
to the endpoint source. From the list of registered outputs, we pick out that
output which has both dev->of_node and port_num matching with the device_node
pointer and 'reg' of the source endpoint node from DT.
For encoder blocks(the ones which have both an input and output port), we need
to set the port_num as the 'reg' property for the output port as defined in the
DT bindings. We set port_num to 1 in the tfp410 and tpd12s015 encoder drivers.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into driver-core-next
Remove all .owner fields from platform drivers
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Without that fix connector-analog-tv driver isn't probed when compiled
as module.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omapdss drivers cannot handle devices being unbound while the devices
are part of a connected display pipeline. Module refcounts are used to
prevent unloading the modules, but one can still manually unbind the
devices via sysfs, causing crash.
Set suppress_bind_attrs to disable the bind/unbind support via sysfs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Add pass-through functions for set_infoframe and set_hdmi_mode to
hdmi-connector and tpd12s015 drivers.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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After a variable is assigned the result of backlight_device_register, an
error test should be performed before a dereference.
A simplified version of the semantic match that finds this problem is
as follows:
// <smpl>
@def0@
expression x;
position p0;
@@
x@p0 = backlight_device_register(...)
@protected@
expression def0.x,E;
position def0.p0;
position p;
statement S;
@@
x@p0
... when != x = E
if (!IS_ERR(x) && ...) {<... x@p ...>} else S
@unprotected@
expression def0.x,E;
identifier fld;
position def0.p0;
position p != protected.p;
@@
x@p0
... when != x = E
* x@p->fld
// </smpl>
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We don't have any working boards using this panel right now, and the
panel driver looks odd compared to the panel specs. For example, the
panel spec does not mention any QVGA pin.
So, while this patch adds DT support to the driver, it's not really
supported and there are not bindings documentation for the panel until
someone can verify how the panel actually works.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Erik Gilling <konkers@android.com>
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Add DT support for panel TPO-TD043MTEA1.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Grazvydas Ignotas <notasas@gmail.com>
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Add DT support for sharp-ls037v7dw01.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Using gpiod will make it easier to add device tree support
for this panel in the following patches.
Note that all the GPIOs for this panel are optional, any
of the the GPIOs could be configured with external pulls
instead of GPIOs, so let's not error out if GPIOs are not
found to make the panel more generic.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add DT support for panel-lgphilips-lb035q02.
We disable the use of the backlight_gpio as it should be handled via
backlight framework with DT boots.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Florian Vaussard <florian.vaussard@epfl.ch>
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The new gpiod API supports automatic handling of active-high/active-low
with DT. To make it possible to use that when booting with DT, change
the driver's handling of the enable GPIO to use gpiod.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The enable gpio should be optional, but the driver returns an error if
it doesn't get the gpio.
So change the driver to accept -ENOENT error.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Joachim Eastwood <manabian@gmail.com>
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Add module alias string to make it working when panel is compiled as module.
Without this change panel module is not probed thus display is not working.
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add support to handle HPD GPIO in the HDMI connector driver. For the
time being, the driver only uses HPD GPIO to report is the cable is
connected via detect() calll.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add DT support for panel-dpi.
We disable the use of the backlight_gpio as it should be handled via
backlight framework with DT boots.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
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The new gpiod API supports automatic handling of active-high/active-low
with DT. To make it possible to use that when booting with DT, change
the panel-dpi's handling of the enable GPIO to use gpiod.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The drivers/video directory is a mess. It contains generic video related
files, directories for backlight, console, linux logo, lots of fbdev
device drivers, fbdev framework files.
Make some order into the chaos by creating drivers/video/fbdev
directory, and move all fbdev related files there.
No functionality is changed, although I guess it is possible that some
subtle Makefile build order related issue could be created by this
patch.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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