| Commit message (Collapse) | Author | Age |
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LCD config for old omapfb driver is passed with OMAP_TAG_LCD from board
files or from the bootloader. In an effort to remove OMAP_TAG_LCD, this
patch adds omapfb_set_lcd_config() function that the board files can
call to set the LCD config.
This has the drawback that configuration can no longer come from the
bootloader. Of the boards supported by the kernel, this should only
affect N770 which depends on the data from the bootloader. This patch
adds an LCD config for N770 to its board files, but that is most
probably broken. Fixing this would need information about the HW setup
in N770 boards.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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omapfb_set_platform_data() is no longer used, so remove it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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include/linux/omapfb.h contains structs that are used only by the
omapfb driver. Move the structs into drivers/video/omap/omapfb.h.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omapfb driver used platform_data to get fb memory areas and formats
defined by the board file.
This patch removes omapfb's (both old and new omapfb) use of the
memory data in platform_data, because:
- No board uses them currently
- It's not board file's job to define things like amount of default
framebuffer memory. These should come from the bootloader via command
line parameters.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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arch/arm/plat-omap/fb.c contains code to alloc omapfb buffers at early
boot time according to information given from the bootloader or board
file.
This code isn't currently used by any board, and is anyway something
that the newer vram.c could handle. So remove the alloc code and in
later patches make old omapfb driver use vram.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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omapfb_set_ctrl_platform_data() is no longer used, so it can be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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The meram_register(), meram_unregister() and meram_update() operations
check that the pointers they get from the caller are not NULL. Those
checks can be remove, as the caller already ensures that the pointers
are valid.
The platform sanity checks can also be removed, as the operations can't
be accessed without valid platform data anyway.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Remove the RGB or Y/C base address update from the meram_register()
operation, as this belongs to the meram_update() operation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Instead of copying the whole platform data structure to struct
sh_mobile_lcdc_chan, store a const pointer to the channel platform data.
MERAM configuration information needs to be changed at runtime, so copy
it to struct sh_mobile_lcdc_chan.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The marker_icb and cache_icb fields are not used anymore, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Instead of manually specifying the ICBs to use in platform data,
allocate them automatically at runtime. The range of reserved ICBs (for
instance to be used through UIO), if any, is passed in the platform data
reserved_icbs field as a bitmask.
The MERAM registration function now returns a pointer to an opaque MERAM
object, which is passed to the update and unregistration functions.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Instead of requiring the users to hardcode MERAM allocation in platform
data, allocate blocks at runtime using genalloc.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The new structure stores ICB parameters for ICBs.
Instead of modifying the struct sh_mobile_meram_cfg instances passed by
callers, store the ICB parameters internally and make the public API
take const pointers to sh_mobile_meram_cfg.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Many variables, such as loop counters, sizes and offsets, should be
unsigned integers. Make them so.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The structure describe ICB configuration, no ICB objects themselves.
Rename it to sh_mobile_meram_icb_cfg in preparation for the addition of
an ICB structure.
All the structure fields are unsigned integers, make them so.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The struct sh_mobile_lcdc_chan_cfg platform data contains a list of
video modes. Name the lcd_cfg and num_cfg fields to reflect that they
describe video modes.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Update board code accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Update board code accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The field is unused, remove it. Update board code accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The field is unused, remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The field is unused, remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Pass a pointer to the transmitter device through platform data, retrieve
the corresponding sh_mobile_lcdc_entity structure in the probe method
and call the transmitter display_on/off methods directly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The field is used to print debug messages only. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Fix race conditions with unplug/replug behavior, in particular
take care not to hold up USB probe/disconnect for long-running
framebuffer operations and rely on usb to handle teardown.
Fix for kernel panic reported with new F17 multiseat support.
Reported-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Bernie Thompson <bernie@plugable.com>
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Samsung EXYNOS SoC such Exynos5 has DP controller and embedded DP
panel can be used. This patch supports DP driver based on Samsung
EXYNOS SoC chip.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Samsung S5PC210 and EXYNOS SoC platform has MIPI-DSI controller and
MIPI-DSI based LCD Panel could be used with it. This patch supports
MIPI-DSI driver based Samsung SoC chip.
LCD panel driver based MIPI-DSI should be registered to MIPI-DSI driver at
machine code and LCD panel driver specific function registered to
mipi_dsim_ddi structure at lcd panel init function called system init. In
the MIPI-DSI driver, find lcd panel driver by using registered lcd panel
name, and then initialize lcd panel driver.
Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The USB graphics card driver delays the unregistering of the framebuffer
device to a workqueue, which breaks the userspace visible remove uevent
sequence. Recent userspace tools started to support USB graphics card
hotplug out-of-the-box and rely on proper events sent by the kernel.
The framebuffer device is a direct child of the USB interface which is
removed immediately after the USB .disconnect() callback. But the fb device
in /sys stays around until its final cleanup, at a time where all the parent
devices have been removed already.
To work around that, we remove the sysfs fb device directly in the USB
.disconnect() callback and leave only the cleanup of the internal fb
data to the delayed work.
Before:
add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/graphics/fb0 (graphics)
remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
remove /2-1.2:1.0/graphics/fb0 (graphics)
After:
add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/graphics/fb1 (graphics)
remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/graphics/fb1 (graphics)
remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
Cc: stable@vger.kernel.org
Tested-by: Bernie Thompson <bernie@plugable.com>
Acked-by: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Things are really quieting down with the regmap API, while we're still
seeing a trickle of new features coming in they're getting much
smaller than they were. It's also nice to have some features which
support other subsystems building infrastructure on top of regmap.
Highlights include:
- Support for padding between the register and the value when
interacting with the device, sometimes needed for fast interfaces.
- Support for applying register updates to the device when restoring
the register state. This is intended to be used to apply updates
supplied by manufacturers for tuning the performance of the device
(many of which are to undocumented registers which aren't otherwise
covered).
- Support for multi-register operations on cached registers.
- Support for syncing only part of the register cache.
- Stubs and parameter query functions intended to make it easier for
other subsystems to build infrastructure on top of the regmap API.
plus a few driver updates making use of the new features which it was
easier to merge via this tree."
* tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (41 commits)
regmap: Fix future missing prototype of devres_alloc() and friends
regmap: Rejig struct declarations for stubbed API
regmap: Fix rbtree block base in sync
regcache: Make sure we sync register 0 in an rbtree cache
regmap: delete unused module.h from drivers/base/regmap files
regmap: Add stub for regcache_sync_region()
mfd: Improve performance of later WM1811 revisions
regmap: Fix x86_64 breakage
regmap: Allow drivers to sync only part of the register cache
regmap: Supply ranges to the sync operations
regmap: Add tracepoints for cache only and cache bypass
regmap: Mark the cache as clean after a successful sync
regmap: Remove default cache sync implementation
regmap: Skip hardware defaults for LZO caches
regmap: Expose the driver name in debugfs
mfd: wm8400: Convert to devm_regmap_init_i2c()
mfd: wm831x: Convert to devm_regmap_init()
mfd: wm8994: Convert to devm_regmap_init()
mfd/ASoC: Convert WM8994 driver to use regmap patches
mfd: Add __devinit and __devexit annotations in wm8994
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The bulk_write() supports the data transfer to multi
register which takes the data into cpu_endianness format
and does formatting of data to device format before
sending to device.
The transfer can be completed in single transfer or multiple
transfer based on data formatting.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Simple add/add conflict:
drivers/base/regmap/regmap.c
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into regmap-next
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Provide a regcache_sync_region() operation which allows drivers to
write only part of the cache back to the hardware. This is intended
for use in cases like power domains or DSP memories where part of the
device register map may be reset without fully resetting the device.
Fully supporting these devices is likely to require additional work to
make specific regions of the register map cache only while they are in
reset, but this is enough for most devices.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Resolved simple add/add conflicts:
drivers/base/regmap/internal.h
drivers/base/regmap/regmap.c
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-drivers
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-drivers
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Save error handling and unwinding code in drivers by providing managed
versions of the regmap init functions, simplifying usage.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Ensure we have a forward declaration of struct regmap that isn't just
the return value of regmap_init() and make the definition of the
register defaults available.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Added on another branch.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Useful for figuring out where the hardware interaction went or came from.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Make life easier for subsystems which build infrastructure on top of the
regmap API by providing stub definitions for most of the API so that users
can at least build even if the regmap API is not enabled without having to
add ifdefs if they don't want to.
These stubs are not expected to be useful and should never actually get
called, they just exist so that we can link so there are WARN_ONCE()s in
the stubs.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Some devices, especially those with high speed control interfaces, require
padding between the register and the data. Support this in the regmap API
by providing a pad_bits configuration parameter.
Only devices with integer byte counts are supported.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull IEEE 1394 (FireWire) subsystem updates post v3.3 from Stefan Richter:
- Some SBP-2 initiator fixes, side product from ongoing work on a target.
- Reintroduction of an isochronous I/O feature of the older ieee1394 driver
stack (flush buffer completions); it was evidently rarely used but not
actually unused. Matching libraw1394 code is already available.
- Be sure to prefix all kernel log messages with device name or card name,
and other logging related cleanups.
- Misc other small cleanups, among them a small API change that affects
sound/firewire/ too. Clemens Ladisch is aware of it.
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: (26 commits)
firewire: allow explicit flushing of iso packet completions
firewire: prevent dropping of completed iso packet header data
firewire: ohci: factor out iso completion flushing code
firewire: ohci: simplify iso header pointer arithmetic
firewire: ohci: optimize control bit checks
firewire: ohci: remove unused excess_bytes field
firewire: ohci: copy_iso_headers(): make comment match the code
firewire: cdev: fix IR multichannel event documentation
firewire: ohci: fix too-early completion of IR multichannel buffers
firewire: ohci: move runtime debug facility out of #ifdef
firewire: tone down some diagnostic log messages
firewire: sbp2: replace a GFP_ATOMIC allocation
firewire: sbp2: Fix SCSI sense data mangling
firewire: sbp2: Ignore SBP-2 targets on the local node
firewire: sbp2: Take into account Unit_Unique_ID
firewire: nosy: Use the macro DMA_BIT_MASK().
firewire: core: convert AR-req handler lock from _irqsave to _bh
firewire: core: fix race at address_handler unregistration
firewire: core: remove obsolete comment
firewire: core: prefix log messages with card name
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Extend the kernel and userspace APIs to allow reporting all currently
completed isochronous packets, even if the next interrupt packet has not
yet been reached. This is required to determine the status of the
packets at the end of a paused or stopped stream, and useful for more
precise synchronization of audio streams.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The buffer for the header data of completed iso packets has a fixed
size, so it is possible to configure a stream with a big interval
between interrupt packets or with big headers so that this buffer would
overflow. Previously, ohci.c would drop any data that would not fit,
but this could make unsuspecting applications believe that fewer than
the actual number of packets have completed.
Instead of dropping data, add calls to flush_iso_completion() so that
there are as many events as needed to report all of the data.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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State more precisely when fw_cdev_event_iso_interrupt_mc is sent.
While the comment tried to reflect an amibuity in the OHCI
specification, there is only one method that is useful in practice,
and this also matches all the hardware implementations I've tested.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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