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9a9d3abe24
267 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Masahiro Yamada
|
6eb1c9496b |
clk: probe common clock drivers earlier
Several SoCs implement platform drivers for clocks rather than CLK_OF_DECLARE(). Clocks should come earlier because they are prerequisites for many of other drivers. It will help to mitigate EPROBE_DEFER issues. Also, drop the comment since it does not carry much value. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Michael Turquette <mturquette@baylibre.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linus Torvalds
|
0803e04011 |
virtio/vhost: new features for 4.8
- New vsock device support in host and guest - Platform IOMMU support in host and guest, including compatibility quirks for legacy systems. - Misc fixes and cleanups. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJXofvbAAoJECgfDbjSjVRpUTIH/iEoK9h636tBayXy0PXkPby0 6fMaRFy6H1HgEttgDhJE8Pqg/ba3qaW9Em0fHyFq7Mp2waFHAZ8hAT8phC6TAK3c CIBnfzyyuI8u3N9SnNOfelPVcwCBfuALuuTsXB/rwKbYQEVv+U5Rdt3Vyx9+lXkj P005klz7PfqxFhQrrnj4Eh7VawtHwmMuLH8YoWpCZpM71dHPo6eL+3ftKwhH2boo qK86uVprwba03Pewpm13vQnotemfVfUUkjXd4EJpG3dx7E0KZosuj0ZG9OV8mPGQ Cl2gBdUhocdJgeUnAHmf6tumYi9KFlYfy6xLy44YMmN7FL3E9nQjaKZp25UKfiM= =ztIm -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio/vhost updates from Michael Tsirkin: - new vsock device support in host and guest - platform IOMMU support in host and guest, including compatibility quirks for legacy systems. - misc fixes and cleanups. * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: VSOCK: Use kvfree() vhost: split out vringh Kconfig vhost: detect 32 bit integer wrap around vhost: new device IOTLB API vhost: drop vringh dependency vhost: convert pre sorted vhost memory array to interval tree vhost: introduce vhost memory accessors VSOCK: Add Makefile and Kconfig VSOCK: Introduce vhost_vsock.ko VSOCK: Introduce virtio_transport.ko VSOCK: Introduce virtio_vsock_common.ko VSOCK: defer sock removal to transports VSOCK: transport-specific vsock_transport functions vhost: drop vringh dependency vop: pull in vhost Kconfig virtio: new feature to detect IOMMU device quirk balloon: check the number of available pages in leak balloon vhost: lockless enqueuing vhost: simplify work flushing |
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Michael S. Tsirkin
|
b2fbd8b073 |
vhost: drop vringh dependency
vringh isn't used by vhost net or scsi - it's used by CAIF only at the moment. Drop the dependency. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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|
Linus Torvalds
|
8448cefe49 |
HSI changes for the v4.8 series
* proper runtime pm support for omap-ssi and ssi-protocol * misc. fixes -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABCgAGBQJXlnMYAAoJENju1/PIO/qaLnwP/3BTdRGsAS/8UtwWG5ZJ3Xrz AdYCKfgrOPoNj97ba95Dd3aGbrQGkTOmx6UTkYM1SO9KNN/VwoeQuV5DnWRZlF9k vgH5lUh3L2AHbpOywEuQF/0MAiZXGguqPTfI3hx66k6t7vMYxq8VuahtZ69+ICPI TSG+JXYVMpdjcIMIQrmH4CC2R1G7IsKNnQpaPDCAyIfE0WsiOkCUIlB4OuLlHemT TK5BggWQYlnKN/bbIC/dx6ME5ZWPv9pXLUNzwUqH8C8G9wdxeXj2PTEt/ZZrw8dT tskFYXno7tUuU4btR5OkgrpZLHybXzMIQS2ZSFKE8oUvu0hymQLgGGuucWg1oTVG 1kkat8Hyz49xv+YriiMbaj0XKO0WWLBcjOduexPho1RUKV95MsnMz6e55eXq2ptn ucCb71lap7Q9I4MJjntvLXaIfFlyQR+6FEyo4RVwvCy44HSsPEhHeXxHN6hIeQDB BFTOADy7RCT9B6KSuSItW5H1oT1jESY26TYp+NvWC+p6kz3mexxlO1gVDoln3NRB opktOsusml7MNr+3XBNap3CsHPKm2X8azpkWsikN9QbRrjeH/AxWhjWrVruw8Yhu 6qe2u46vh4yI0YexE8CoYqj71Em/V2I6EkCq7cuoLQsBZew9i1kT/8qO69kP9BFV djK5b44/mAZJmC0d8t3/ =WPyp -----END PGP SIGNATURE----- Merge tag 'hsi-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi Pull HSI updates from Sebastian Reichel: - proper runtime pm support for omap-ssi and ssi-protocol - misc fixes * tag 'hsi-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi: (24 commits) HSI: omap_ssi: drop pm_runtime_irq_safe HSI: omap_ssi_port: use rpm autosuspend API HSI: omap_ssi: call msg->complete() from process context HSI: omap_ssi_port: ensure clocks are kept enabled during transfer HSI: omap_ssi_port: replace pm_runtime_put_sync with non-sync variant HSI: omap_ssi_port: avoid calling runtime_pm_*_sync inside spinlock HSI: omap_ssi_port: avoid pm_runtime_get_sync in ssi_start_dma and ssi_start_pio HSI: omap_ssi_port: switch to threaded pio irq HSI: omap_ssi_core: remove pm_runtime_get_sync call from tasklet HSI: omap_ssi_core: use pm_runtime_put instead of pm_runtime_put_sync HSI: omap_ssi_port: prepare start_tx/stop_tx for blocking pm_runtime calls HSI: core: switch port event notifier from atomic to blocking HSI: omap_ssi_port: replace wkin_cken with atomic bitmap operations HSI: omap_ssi: convert cawake irq handler to thread HSI: ssi_protocol: fix ssip_xmit invocation HSI: ssi_protocol: replace spin_lock with spin_lock_bh HSI: ssi_protocol: avoid ssi_waketest call with held spinlock HSI: omap_ssi: do not reset module HSI: omap_ssi_port: remove useless newline hsi: Only descend into hsi directory when CONFIG_HSI is set ... |
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Linus Torvalds
|
607e11ab66 |
New LED class driver:
- LED driver for TI LP3952 6-Channel Color LED LED core improvements: - Only descend into leds directory when CONFIG_NEW_LEDS is set - Add no-op gpio_led_register_device when LED subsystem is disabled - MAINTAINERS: Add file patterns for led device tree bindings LED Trigger core improvements: - return error if invalid trigger name is provided via sysfs LED class drivers improvements - is31fl32xx: define complete i2c_device_id table - is31fl32xx: fix typo in id and match table names - leds-gpio: Set of_node for created LED devices - pca9532: Add device tree support Conversion of IDE trigger to common disk trigger: - leds: convert IDE trigger to common disk trigger - leds: documentation: 'ide-disk' to 'disk-activity' - unicore32: use the new LED disk activity trigger - parisc: use the new LED disk activity trigger - mips: use the new LED disk activity trigger - arm: use the new LED disk activity trigger - powerpc: use the new LED disk activity trigger -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (GNU/Linux) iQIcBAABAgAGBQJXlbvcAAoJEL1qUBy3i3wm1NoP/1ujmu9eljBO/0VyyrZNSWvM F367twUAmfyrC+xos/lyxn8u8yknyLNfbUStU0L/cpz2GQRNwuIS4h+xrkyqsDCj JBCKrZQCqi/Hsj6jBuIUW+s0OFjxhBJpEkeYW7FM6i2+O9EUxZvCuuG2WPQBNayx 73qG4RdHmB+qFWMlIp//iF8OviSSm2sd5+UEAJH8mYwrbCcv2gT7UjIaIRczpo4H JTkc/onR6y/qliUUrbLpMr40bJLA4+p9ZkqEGPS4lsKiUKf5SF7bLg59RNebIF75 FZ52yhAw55KLiF0yokthlay8cBUjsd52lROjANkIe1iEHBiKoJRKLOA9WozY37qu 3/9fKcddiPHxVF3ItcwhrldVru2ZxfWFRz/44rCPDTjKEfsuNN/2EkY8aVYCiHpO 8gSXw/HjLPCSQIp6PVcqGSVZd1VWUYKcJY/xvCa3zQi0r7JdAmYUp76KCkmq9FgB DuQTkxM57ndKiz5WqlGU70mzht43/raqzPOQwLMwz5mGKj/nXvNMKFLQ1xhnyfeY vw7D2f/wqm74cTMhMS40IDlpJ81EoCYpsnzvtIHti3FPeo8wmVNz30H51JvFRdJm hzeju1tdSLwazGBIIAtjLSCLpnkaOq7rMwwGndGO5QCO/+A6gAC3iAKe4YFl+AXV CrS9BAdZSslYg+ddJYg6 =8lmX -----END PGP SIGNATURE----- Merge tag 'leds_for_4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds Pull LED updates from Jacek Anaszewski: "New LED class driver: - LED driver for TI LP3952 6-Channel Color LED LED core improvements: - Only descend into leds directory when CONFIG_NEW_LEDS is set - Add no-op gpio_led_register_device when LED subsystem is disabled - MAINTAINERS: Add file patterns for led device tree bindings LED Trigger core improvements: - return error if invalid trigger name is provided via sysfs LED class drivers improvements - is31fl32xx: define complete i2c_device_id table - is31fl32xx: fix typo in id and match table names - leds-gpio: Set of_node for created LED devices - pca9532: Add device tree support Conversion of IDE trigger to common disk trigger: - leds: convert IDE trigger to common disk trigger - leds: documentation: 'ide-disk' to 'disk-activity' - unicore32: use the new LED disk activity trigger - parisc: use the new LED disk activity trigger - mips: use the new LED disk activity trigger - arm: use the new LED disk activity trigger - powerpc: use the new LED disk activity trigger" * tag 'leds_for_4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: leds: is31fl32xx: define complete i2c_device_id table leds: is31fl32xx: fix typo in id and match table names leds: LED driver for TI LP3952 6-Channel Color LED leds: leds-gpio: Set of_node for created LED devices leds: triggers: return error if invalid trigger name is provided via sysfs leds: Only descend into leds directory when CONFIG_NEW_LEDS is set leds: Add no-op gpio_led_register_device when LED subsystem is disabled unicore32: use the new LED disk activity trigger parisc: use the new LED disk activity trigger mips: use the new LED disk activity trigger arm: use the new LED disk activity trigger powerpc: use the new LED disk activity trigger leds: documentation: 'ide-disk' to 'disk-activity' leds: convert IDE trigger to common disk trigger leds: pca9532: Add device tree support MAINTAINERS: Add file patterns for led device tree bindings |
||
|
Linus Torvalds
|
1cd04d293c |
This is the bulk of GPIO changes for the v4.8 kernel cycle.
Core changes:
- The big item is of course the completion of the character
device ABI. It has now replaced and surpassed the former
unmaintainable sysfs ABI: we can now hammer (bitbang)
individual lines or sets of lines and read individual lines
or sets of lines from userspace, and we can also register
to listen to GPIO events from userspace. As a tie-in we
have two new tools in tools/gpio: gpio-hammer and
gpio-event-mon that illustrate the proper use of the new
ABI. As someone said: the wild west days of GPIO are now
over.
- Continued to remove the pointless
ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB Kconfig symbols.
I'm patching hexagon, openrisc, powerpc, sh, unicore,
ia64 and microblaze. These are either ACKed by their
maintainers or patched anyways after a grace period and
no response from maintainers. Some archs (ARM) come in from
their trees, and others (x86) are still not fixed, so I
might send a second pull request to root it out later in
this merge window, or just defer to v4.9.
- The GPIO tools are moved to the tools build system.
New drivers:
- New driver for the MAX77620/MAX20024.
- New driver for the Intel Merrifield.
- Enabled PCA953x for the TI PCA9536.
- Enabled PCA953x for the Intel Edison.
- Enabled R8A7792 in the RCAR driver.
Driver improvements:
- The STMPE and F7188x now supports the .get_direction()
callback.
- The Xilinx driver supports setting multiple lines at
once.
- ACPI support for the Vulcan GPIO controller.
- The MMIO GPIO driver supports device tree probing.
- The Acer One 10 is supported through the _DEP ACPI
attribute.
Cleanups:
- A major cleanup of the OF/DT support code. It is way
easier to read and understand now, probably this improves
performance too.
- Drop a few redundant .owner assignments.
- Remove CLPS711x boardfile support: we are 100% DT.
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Merge tag 'gpio-v4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v4.8 kernel cycle. The big
news is the completion of the chardev ABI which I'm very happy about
and apart from that it's an ordinary, quite busy cycle. The details
are below.
The patches are tested in linux-next for some time, patches to other
subsystem mostly have ACKs.
I got overly ambitious with configureing lines as input for IRQ lines
but it turns out that some controllers have their interrupt-enable and
input-enabling in orthogonal settings so the assumption that all IRQ
lines are input lines does not hold. Oh well, revert and back to the
drawing board with that.
Core changes:
- The big item is of course the completion of the character device
ABI. It has now replaced and surpassed the former unmaintainable
sysfs ABI: we can now hammer (bitbang) individual lines or sets of
lines and read individual lines or sets of lines from userspace,
and we can also register to listen to GPIO events from userspace.
As a tie-in we have two new tools in tools/gpio: gpio-hammer and
gpio-event-mon that illustrate the proper use of the new ABI. As
someone said: the wild west days of GPIO are now over.
- Continued to remove the pointless ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
Kconfig symbols. I'm patching hexagon, openrisc, powerpc, sh,
unicore, ia64 and microblaze. These are either ACKed by their
maintainers or patched anyways after a grace period and no response
from maintainers.
Some archs (ARM) come in from their trees, and others (x86) are
still not fixed, so I might send a second pull request to root it
out later in this merge window, or just defer to v4.9.
- The GPIO tools are moved to the tools build system.
New drivers:
- New driver for the MAX77620/MAX20024.
- New driver for the Intel Merrifield.
- Enabled PCA953x for the TI PCA9536.
- Enabled PCA953x for the Intel Edison.
- Enabled R8A7792 in the RCAR driver.
Driver improvements:
- The STMPE and F7188x now supports the .get_direction() callback.
- The Xilinx driver supports setting multiple lines at once.
- ACPI support for the Vulcan GPIO controller.
- The MMIO GPIO driver supports device tree probing.
- The Acer One 10 is supported through the _DEP ACPI attribute.
Cleanups:
- A major cleanup of the OF/DT support code. It is way easier to
read and understand now, probably this improves performance too.
- Drop a few redundant .owner assignments.
- Remove CLPS711x boardfile support: we are 100% DT"
* tag 'gpio-v4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (67 commits)
MAINTAINERS: Add INTEL MERRIFIELD GPIO entry
gpio: dwapb: add missing fwnode_handle_put() in dwapb_gpio_get_pdata()
gpio: merrifield: Protect irq_ack() and gpio_set() by lock
gpio: merrifield: Introduce GPIO driver to support Merrifield
gpio: intel-mid: Make it depend to X86_INTEL_MID
gpio: intel-mid: Sort header block alphabetically
gpio: intel-mid: Remove potentially harmful code
gpio: rcar: add R8A7792 support
gpiolib: remove duplicated include from gpiolib.c
Revert "gpio: convince line to become input in irq helper"
gpiolib: of_find_gpio(): Don't discard errors
gpio: of: Allow overriding the device node
gpio: free handles in fringe cases
gpio: tps65218: Add platform_device_id table
gpio: max77620: get gpio value based on direction
gpio: lynxpoint: avoid potential warning on error path
tools/gpio: add install section
tools/gpio: move to tools buildsystem
gpio: intel-mid: switch to devm_gpiochip_add_data()
gpio: 74x164: Use spi_write() helper instead of open coding
...
|
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Andrew F. Davis
|
b1ae40a5db |
leds: Only descend into leds directory when CONFIG_NEW_LEDS is set
When CONFIG_NEW_LEDS is not set make will still descend into the leds directory but nothing will be built. This produces unneeded build artifacts and messages in addition to slowing the build. Fix this here. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> |
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Andrew F. Davis
|
ea12c45f1b |
hsi: Only descend into hsi directory when CONFIG_HSI is set
When CONFIG_HSI is not set make will still descend into the hsi directory but nothing will be built. This produces unneeded build artifacts and messages in addition to slowing the build. Fix this here. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Sebastian Reichel <sre@kernel.org> |
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Andrew F. Davis
|
6b891a2647 |
gpio: Only descend into gpio directory when CONFIG_GPIOLIB is set
When CONFIG_GPIOLIB is not set make will still descend into the gpio directory but nothing will be built. This produces unneeded build artifacts and messages in addition to slowing the build. Fix this here. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
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Geert Uytterhoeven
|
4c6d7e2289 |
drivers: sh: Stop using the legacy clock domain on ARM
Since commits |
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Dan Williams
|
ab68f26221 |
/dev/dax, pmem: direct access to persistent memory
Device DAX is the device-centric analogue of Filesystem DAX (CONFIG_FS_DAX). It allows memory ranges to be allocated and mapped without need of an intervening file system. Device DAX is strict, precise and predictable. Specifically this interface: 1/ Guarantees fault granularity with respect to a given page size (pte, pmd, or pud) set at configuration time. 2/ Enforces deterministic behavior by being strict about what fault scenarios are supported. For example, by forcing MADV_DONTFORK semantics and omitting MAP_PRIVATE support device-dax guarantees that a mapping always behaves/performs the same once established. It is the "what you see is what you get" access mechanism to differentiated memory vs filesystem DAX which has filesystem specific implementation semantics. Persistent memory is the first target, but the mechanism is also targeted for exclusive allocations of performance differentiated memory ranges. This commit is limited to the base device driver infrastructure to associate a dax device with pmem range. Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Krzysztof Kozlowski
|
f96576bd63 |
power: Fix unmet dependency on POWER_SUPPLY by POWER_RESET by uncoupling them
Currently the reset/power off handlers (POWER_RESET) and Adaptive Voltage Scaling class (POWER_AVS) are not built when POWER_SUPPLY is disabled. The POWER_RESET is also not visible in drivers main section of config. However they do not really depend on power supply so they can be built always. The objects for power supply drivers already depend on particular Kconfig symbols so there is no need for any changes in drivers/power/Makefile. This allows selecting POWER_RESET from main drivers config section and fixes following build warning (encountered on ARM exynos defconfig when POWER_SUPPLY is disabled manually): warning: (ARCH_HISI && ARCH_INTEGRATOR && ARCH_EXYNOS && ARCH_VEXPRESS && REALVIEW_DT) selects POWER_RESET which has unmet direct dependencies (POWER_SUPPLY) warning: (ARCH_EXYNOS) selects POWER_RESET_SYSCON which has unmet direct dependencies (POWER_SUPPLY && POWER_RESET && OF) warning: (ARCH_EXYNOS) selects POWER_RESET_SYSCON_POWEROFF which has unmet direct dependencies (POWER_SUPPLY && POWER_RESET && OF) Reported-by: Pavel Fedin <p.fedin@samsung.com> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Sebastian Reichel <sre@kernel.org> |
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Matias Bjørling
|
b2b7e00148 |
null_blk: register as a LightNVM device
Add support for registering as a LightNVM device. This allows us to evaluate the performance of the LightNVM subsystem. In /drivers/Makefile, LightNVM is moved above block device drivers to make sure that the LightNVM media managers have been initialized before drivers under /drivers/block are initialized. Signed-off-by: Matias Bjørling <m@bjorling.me> Fix by Jens Axboe to remove unneeded slab cache and the following memory leak. Signed-off-by: Jens Axboe <axboe@fb.com> |
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Linus Torvalds
|
8e483ed134 |
char/misc drivers for 4.4-rc1
Here is the big char/misc driver update for 4.4-rc1. Lots of different driver and subsystem updates, hwtracing being the largest with the addition of some new platforms that are now supported. Full details in the shortlog. All of these have been in linux-next for a long time with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlY6d/oACgkQMUfUDdst+yl93ACcCf91y+ufwU3cmcnq5LpwHPfx VbkAn08Cn6Wu6IcihoEpR4hqGgIOtjqW =1a3d -----END PGP SIGNATURE----- Merge tag 'char-misc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the big char/misc driver update for 4.4-rc1. Lots of different driver and subsystem updates, hwtracing being the largest with the addition of some new platforms that are now supported. Full details in the shortlog. All of these have been in linux-next for a long time with no reported issues" * tag 'char-misc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (181 commits) fpga: socfpga: Fix check of return value of devm_request_irq lkdtm: fix ACCESS_USERSPACE test mcb: Destroy IDA on module unload mcb: Do not return zero on error path in mcb_pci_probe() mei: bus: set the device name before running fixup mei: bus: use correct lock ordering mei: Fix debugfs filename in error output char: ipmi: ipmi_ssif: Replace timeval with timespec64 fpga: zynq-fpga: Fix issue with drvdata being overwritten. fpga manager: remove unnecessary null pointer checks fpga manager: ensure lifetime with of_fpga_mgr_get fpga: zynq-fpga: Change fw format to handle bin instead of bit. fpga: zynq-fpga: Fix unbalanced clock handling misc: sram: partition base address belongs to __iomem space coresight: etm3x: adding documentation for sysFS's cpu interface vme: 8-bit status/id takes 256 values, not 255 fpga manager: Adding FPGA Manager support for Xilinx Zynq 7000 ARM: zynq: dt: Updated devicetree for Zynq 7000 platform. ARM: dt: fpga: Added binding docs for Xilinx Zynq FPGA manager. ver_linux: proc/modules, limit text processing to 'sed' ... |
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Matias Bjørling
|
cd9e9808d1 |
lightnvm: Support for Open-Channel SSDs
Open-channel SSDs are devices that share responsibilities with the host in order to implement and maintain features that typical SSDs keep strictly in firmware. These include (i) the Flash Translation Layer (FTL), (ii) bad block management, and (iii) hardware units such as the flash controller, the interface controller, and large amounts of flash chips. In this way, Open-channels SSDs exposes direct access to their physical flash storage, while keeping a subset of the internal features of SSDs. LightNVM is a specification that gives support to Open-channel SSDs LightNVM allows the host to manage data placement, garbage collection, and parallelism. Device specific responsibilities such as bad block management, FTL extensions to support atomic IOs, or metadata persistence are still handled by the device. The implementation of LightNVM consists of two parts: core and (multiple) targets. The core implements functionality shared across targets. This is initialization, teardown and statistics. The targets implement the interface that exposes physical flash to user-space applications. Examples of such targets include key-value store, object-store, as well as traditional block devices, which can be application-specific. Contributions in this patch from: Javier Gonzalez <jg@lightnvm.io> Dongsheng Yang <yangds.fnst@cn.fujitsu.com> Jesper Madsen <jmad@itu.dk> Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@fb.com> |
||
Jay Sternberg
|
57dacad5f2 |
nvme: move to a new drivers/nvme/host directory
This patch moves the NVMe driver from drivers/block/ to its own new drivers/nvme/host/ directory. This is in preparation of splitting the current monolithic driver up and add support for the upcoming NVMe over Fabrics standard. The drivers/nvme/host/ is chose to leave space for a NVMe target implementation in addition to this host side driver. Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com> [hch: rebased, renamed core.c to pci.c, slight tweaks] Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com> |
||
Alan Tull
|
6a8c3be7ec |
add FPGA manager core
API to support programming FPGA's. The following functions are exported as GPL: * fpga_mgr_buf_load Load fpga from image in buffer * fpga_mgr_firmware_load Request firmware and load it to the FPGA. * fpga_mgr_register * fpga_mgr_unregister FPGA device drivers can be added by calling fpga_mgr_register() to register a set of fpga_manager_ops to do device specific stuff. * of_fpga_mgr_get * fpga_mgr_put Get/put a reference to a fpga manager. The following sysfs files are created: * /sys/class/fpga_manager/<fpga>/name Name of low level driver. * /sys/class/fpga_manager/<fpga>/state State of fpga manager Signed-off-by: Alan Tull <atull@opensource.altera.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Alexander Shishkin
|
39f4034693 |
intel_th: Add driver infrastructure for Intel(R) Trace Hub devices
Intel(R) Trace Hub (TH) is a set of hardware blocks (subdevices) that produce, switch and output trace data from multiple hardware and software sources over several types of trace output ports encoded in System Trace Protocol (MIPI STPv2) and is intended to perform full system debugging. For these subdevices, we create a bus, where they can be discovered and configured by userspace software. This patch creates this bus infrastructure, three types of devices (source, output, switch), resource allocation, some callback mechanisms to facilitate communication between the subdevices' drivers and some common sysfs attributes. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Alexander Shishkin
|
7bd1d4093c |
stm class: Introduce an abstraction for System Trace Module devices
A System Trace Module (STM) is a device exporting data in System Trace Protocol (STP) format as defined by MIPI STP standards. Examples of such devices are Intel(R) Trace Hub and Coresight STM. This abstraction provides a unified interface for software trace sources to send their data over an STM device to a debug host. In order to do that, such a trace source needs to be assigned a pair of master/channel identifiers that all the data from this source will be tagged with. The STP decoder on the debug host side will use these master/channel tags to distinguish different trace streams from one another inside one STP stream. This abstraction provides a configfs-based policy management mechanism for dynamic allocation of these master/channel pairs based on trace source-supplied string identifier. It has the flexibility of being defined at runtime and at the same time (provided that the policy definition is aligned with the decoding end) consistency. For userspace trace sources, this abstraction provides write()-based and mmap()-based (if the underlying stm device allows this) output mechanism. For kernel-side trace sources, we provide "stm_source" device class that can be connected to an stm device at run time. Cc: linux-api@vger.kernel.org Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Linus Torvalds
|
88a99886c2 |
This is the bulk of pin control changes for the v4.3 development
cycle
Core changes:
- It is possible configure groups in debugfs.
- Consolidation of chained IRQ handler install/remove replacing
all call sites where irq_set_handler_data() and
irq_set_chained_handler() were done in succession with a
combined call to irq_set_chained_handler_and_data(). This
series was created by Thomas Gleixner after the problem was
observed by Russell King.
- Tglx also made another series of patches switching
__irq_set_handler_locked() for irq_set_handler_locked() which
is way cleaner.
- Tglx also wrote a good bunch of patches to make use of
irq_desc_get_xxx() accessors and avoid looking up irq_descs
from IRQ numbers. The goal is to get rid of the irq number
from the handlers in the IRQ flow which is nice.
Driver feature enhancements:
- Power management support for the SiRF SoC Atlas 7.
- Power down support for the Qualcomm driver.
- Intel Cherryview and Baytrail: switch drivers to use raw
spinlocks in IRQ handlers to play nice with the realtime
patch set.
- Rework and new modes handling for Qualcomm SPMI-MPP.
- Pinconf power source config for SH PFC.
New drivers and subdrivers:
- A new driver for Conexant Digicolor CX92755.
- A new driver for UniPhier PH1-LD4, PH1-Pro4, PH1-sLD8,
PH1-Pro5, ProXtream2 and PH1-LD6b SoC pin control support.
- Reverse-egineered the S/PDIF settings for the Allwinner
sun4i driver.
- Support for Qualcomm Technologies QDF2xxx ARM64 SoCs
- A new Freescale i.mx6ul subdriver.
Cleanup:
- Remove platform data support in a number of SH PFC
subdrivers.
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Merge tag 'pinctrl-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v4.3 development
cycle.
Like with GPIO it's a lot of stuff. If my subsystems are any sign of
the overall tempo of the kernel v4.3 will be a gigantic diff.
[ It looks like 4.3 is calmer than 4.2 in most other subsystems, but
we'll see - Linus ]
Core changes:
- It is possible configure groups in debugfs.
- Consolidation of chained IRQ handler install/remove replacing all
call sites where irq_set_handler_data() and
irq_set_chained_handler() were done in succession with a combined
call to irq_set_chained_handler_and_data(). This series was
created by Thomas Gleixner after the problem was observed by
Russell King.
- Tglx also made another series of patches switching
__irq_set_handler_locked() for irq_set_handler_locked() which is
way cleaner.
- Tglx also wrote a good bunch of patches to make use of
irq_desc_get_xxx() accessors and avoid looking up irq_descs from
IRQ numbers. The goal is to get rid of the irq number from the
handlers in the IRQ flow which is nice.
Driver feature enhancements:
- Power management support for the SiRF SoC Atlas 7.
- Power down support for the Qualcomm driver.
- Intel Cherryview and Baytrail: switch drivers to use raw spinlocks
in IRQ handlers to play nice with the realtime patch set.
- Rework and new modes handling for Qualcomm SPMI-MPP.
- Pinconf power source config for SH PFC.
New drivers and subdrivers:
- A new driver for Conexant Digicolor CX92755.
- A new driver for UniPhier PH1-LD4, PH1-Pro4, PH1-sLD8, PH1-Pro5,
ProXtream2 and PH1-LD6b SoC pin control support.
- Reverse-egineered the S/PDIF settings for the Allwinner sun4i
driver.
- Support for Qualcomm Technologies QDF2xxx ARM64 SoCs
- A new Freescale i.mx6ul subdriver.
Cleanup:
- Remove platform data support in a number of SH PFC subdrivers"
* tag 'pinctrl-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (95 commits)
pinctrl: at91: fix null pointer dereference
pinctrl: mediatek: Implement wake handler and suspend resume
pinctrl: mediatek: Fix multiple registration issue.
pinctrl: sh-pfc: r8a7794: add USB pin groups
pinctrl: at91: Use generic irq_{request,release}_resources()
pinctrl: cherryview: Use raw_spinlock for locking
pinctrl: baytrail: Use raw_spinlock for locking
pinctrl: imx6ul: Remove .owner field
pinctrl: zynq: Fix typos in smc0_nand_grp and smc0_nor_grp
pinctrl: sh-pfc: Implement pinconf power-source param for voltage switching
clk: rockchip: add pclk_pd_pmu to the list of rk3288 critical clocks
pinctrl: sun4i: add spdif to pin description.
pinctrl: atlas7: clear ugly branch statements for pull and drivestrength
pinctrl: baytrail: Serialize all register access
pinctrl: baytrail: Drop FSF mailing address
pinctrl: rockchip: only enable gpio clock when it setting
pinctrl/mediatek: fix spelling mistake in dev_err error message
pinctrl: cherryview: Serialize all register access
pinctrl: UniPhier: PH1-Pro5: add I2C ch6 pin-mux setting
pinctrl: nomadik: reflect current input value
...
|
||
|
Linus Torvalds
|
c706c7eb0d |
Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM development updates from Russell King:
"Included in this update:
- moving PSCI code from ARM64/ARM to drivers/
- removal of some architecture internals from global kernel view
- addition of software based "privileged no access" support using the
old domains register to turn off the ability for kernel
loads/stores to access userspace. Only the proper accessors will
be usable.
- addition of early fixup support for early console
- re-addition (and reimplementation) of OMAP special interconnect
barrier
- removal of finish_arch_switch()
- only expose cpuX/online in sysfs if hotpluggable
- a number of code cleanups"
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (41 commits)
ARM: software-based priviledged-no-access support
ARM: entry: provide uaccess assembly macro hooks
ARM: entry: get rid of multiple macro definitions
ARM: 8421/1: smp: Collapse arch_cpu_idle_dead() into cpu_die()
ARM: uaccess: provide uaccess_save_and_enable() and uaccess_restore()
ARM: mm: improve do_ldrd_abort macro
ARM: entry: ensure that IRQs are enabled when calling syscall_trace_exit()
ARM: entry: efficiency cleanups
ARM: entry: get rid of asm_trace_hardirqs_on_cond
ARM: uaccess: simplify user access assembly
ARM: domains: remove DOMAIN_TABLE
ARM: domains: keep vectors in separate domain
ARM: domains: get rid of manager mode for user domain
ARM: domains: move initial domain setting value to asm/domains.h
ARM: domains: provide domain_mask()
ARM: domains: switch to keeping domain value in register
ARM: 8419/1: dma-mapping: harmonize definition of DMA_ERROR_CODE
ARM: 8417/1: refactor bitops functions with BIT_MASK() and BIT_WORD()
ARM: 8416/1: Feroceon: use of_iomap() to map register base
ARM: 8415/1: early fixmap support for earlycon
...
|
||
Srinivas Kandagatla
|
eace75cfdc |
nvmem: Add a simple NVMEM framework for nvmem providers
This patch adds just providers part of the framework just to enable easy review. Up until now, NVMEM drivers like eeprom were stored in drivers/misc, where they all had to duplicate pretty much the same code to register a sysfs file, allow in-kernel users to access the content of the devices they were driving, etc. This was also a problem as far as other in-kernel users were involved, since the solutions used were pretty much different from on driver to another, there was a rather big abstraction leak. This introduction of this framework aims at solving this. It also introduces DT representation for consumer devices to go get the data they require (MAC Addresses, SoC/Revision ID, part numbers, and so on) from the nvmems. Having regmap interface to this framework would give much better abstraction for nvmems on different buses. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> [Maxime Ripard: intial version of eeprom framework] Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Tested-by: Stefan Wahren <stefan.wahren@i2se.com> Tested-by: Philipp Zabel <p.zabel@pengutronix.de> Tested-by: Rajendra Nayak <rnayak@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Mark Rutland
|
fa8ad7889d |
arm: perf: factor arm_pmu core out to drivers
To enable sharing of the arm_pmu code with arm64, this patch factors it out to drivers/perf/. A new drivers/perf directory is added for performance monitor drivers to live under. MAINTAINERS is updated accordingly. Files added previously without a corresponsing MAINTAINERS update (perf_regs.c, perf_callchain.c, and perf_event.h) are also added. Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Russell King <linux@arm.linux.org.uk> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Mark Rutland <mark.rutland@arm.com> [will: augmented Kconfig help slightly] Signed-off-by: Will Deacon <will.deacon@arm.com> |
||
|
Masahiro Yamada
|
95b612cc6c |
pinctrl: move CONFIG_PINCTRL to drivers/Makefile
Kbuild should descend into drivers/pinctrl/ only when CONFIG_PINCTRL is enabled because everything under that directory depends on CONFIG_PINCTRL. We can avoid the conditional, ifeq ($(CONFIG_OF),y) ... endif. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
||
|
Linus Torvalds
|
88793e5c77 |
The libnvdimm sub-system introduces, in addition to the libnvdimm-core,
4 drivers / enabling modules:
NFIT:
Instantiates an "nvdimm bus" with the core and registers memory devices
(NVDIMMs) enumerated by the ACPI 6.0 NFIT (NVDIMM Firmware Interface
table). After registering NVDIMMs the NFIT driver then registers
"region" devices. A libnvdimm-region defines an access mode and the
boundaries of persistent memory media. A region may span multiple
NVDIMMs that are interleaved by the hardware memory controller. In
turn, a libnvdimm-region can be carved into a "namespace" device and
bound to the PMEM or BLK driver which will attach a Linux block device
(disk) interface to the memory.
PMEM:
Initially merged in v4.1 this driver for contiguous spans of persistent
memory address ranges is re-worked to drive PMEM-namespaces emitted by
the libnvdimm-core. In this update the PMEM driver, on x86, gains the
ability to assert that writes to persistent memory have been flushed all
the way through the caches and buffers in the platform to persistent
media. See memcpy_to_pmem() and wmb_pmem().
BLK:
This new driver enables access to persistent memory media through "Block
Data Windows" as defined by the NFIT. The primary difference of this
driver to PMEM is that only a small window of persistent memory is
mapped into system address space at any given point in time. Per-NVDIMM
windows are reprogrammed at run time, per-I/O, to access different
portions of the media. BLK-mode, by definition, does not support DAX.
BTT:
This is a library, optionally consumed by either PMEM or BLK, that
converts a byte-accessible namespace into a disk with atomic sector
update semantics (prevents sector tearing on crash or power loss). The
sinister aspect of sector tearing is that most applications do not know
they have a atomic sector dependency. At least today's disk's rarely
ever tear sectors and if they do one almost certainly gets a CRC error
on access. NVDIMMs will always tear and always silently. Until an
application is audited to be robust in the presence of sector-tearing
the usage of BTT is recommended.
Thanks to: Ross Zwisler, Jeff Moyer, Vishal Verma, Christoph Hellwig,
Ingo Molnar, Neil Brown, Boaz Harrosh, Robert Elliott, Matthew Wilcox,
Andy Rudoff, Linda Knippers, Toshi Kani, Nicholas Moulin, Rafael
Wysocki, and Bob Moore.
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Merge tag 'libnvdimm-for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm
Pull libnvdimm subsystem from Dan Williams:
"The libnvdimm sub-system introduces, in addition to the
libnvdimm-core, 4 drivers / enabling modules:
NFIT:
Instantiates an "nvdimm bus" with the core and registers memory
devices (NVDIMMs) enumerated by the ACPI 6.0 NFIT (NVDIMM Firmware
Interface table).
After registering NVDIMMs the NFIT driver then registers "region"
devices. A libnvdimm-region defines an access mode and the
boundaries of persistent memory media. A region may span multiple
NVDIMMs that are interleaved by the hardware memory controller. In
turn, a libnvdimm-region can be carved into a "namespace" device and
bound to the PMEM or BLK driver which will attach a Linux block
device (disk) interface to the memory.
PMEM:
Initially merged in v4.1 this driver for contiguous spans of
persistent memory address ranges is re-worked to drive
PMEM-namespaces emitted by the libnvdimm-core.
In this update the PMEM driver, on x86, gains the ability to assert
that writes to persistent memory have been flushed all the way
through the caches and buffers in the platform to persistent media.
See memcpy_to_pmem() and wmb_pmem().
BLK:
This new driver enables access to persistent memory media through
"Block Data Windows" as defined by the NFIT. The primary difference
of this driver to PMEM is that only a small window of persistent
memory is mapped into system address space at any given point in
time.
Per-NVDIMM windows are reprogrammed at run time, per-I/O, to access
different portions of the media. BLK-mode, by definition, does not
support DAX.
BTT:
This is a library, optionally consumed by either PMEM or BLK, that
converts a byte-accessible namespace into a disk with atomic sector
update semantics (prevents sector tearing on crash or power loss).
The sinister aspect of sector tearing is that most applications do
not know they have a atomic sector dependency. At least today's
disk's rarely ever tear sectors and if they do one almost certainly
gets a CRC error on access. NVDIMMs will always tear and always
silently. Until an application is audited to be robust in the
presence of sector-tearing the usage of BTT is recommended.
Thanks to: Ross Zwisler, Jeff Moyer, Vishal Verma, Christoph Hellwig,
Ingo Molnar, Neil Brown, Boaz Harrosh, Robert Elliott, Matthew Wilcox,
Andy Rudoff, Linda Knippers, Toshi Kani, Nicholas Moulin, Rafael
Wysocki, and Bob Moore"
* tag 'libnvdimm-for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm: (33 commits)
arch, x86: pmem api for ensuring durability of persistent memory updates
libnvdimm: Add sysfs numa_node to NVDIMM devices
libnvdimm: Set numa_node to NVDIMM devices
acpi: Add acpi_map_pxm_to_online_node()
libnvdimm, nfit: handle unarmed dimms, mark namespaces read-only
pmem: flag pmem block devices as non-rotational
libnvdimm: enable iostat
pmem: make_request cleanups
libnvdimm, pmem: fix up max_hw_sectors
libnvdimm, blk: add support for blk integrity
libnvdimm, btt: add support for blk integrity
fs/block_dev.c: skip rw_page if bdev has integrity
libnvdimm: Non-Volatile Devices
tools/testing/nvdimm: libnvdimm unit test infrastructure
libnvdimm, nfit, nd_blk: driver for BLK-mode access persistent memory
nd_btt: atomic sector updates
libnvdimm: infrastructure for btt devices
libnvdimm: write blk label set
libnvdimm: write pmem label set
libnvdimm: blk labels and namespace instantiation
...
|
||
|
Dan Williams
|
b94d5230d0 |
libnvdimm, nfit: initial libnvdimm infrastructure and NFIT support
A struct nvdimm_bus is the anchor device for registering nvdimm resources and interfaces, for example, a character control device, nvdimm devices, and I/O region devices. The ACPI NFIT (NVDIMM Firmware Interface Table) is one possible platform description for such non-volatile memory resources in a system. The nfit.ko driver attaches to the "ACPI0012" device that indicates the presence of the NFIT and parses the table to register a struct nvdimm_bus instance. Cc: <linux-acpi@vger.kernel.org> Cc: Lv Zheng <lv.zheng@intel.com> Cc: Robert Moore <robert.moore@intel.com> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Jeff Moyer <jmoyer@redhat.com> Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Toshi Kani <toshi.kani@hp.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
||
Valentin Rothberg
|
f6abdb5029 |
staging: I2O cleanup
Remove the last reference on menuconfig I20 that has been removed by
commit
|
||
Mathieu Poirier
|
01081f5ab9 |
coresight: moving to new "hwtracing" directory
Keeping drivers related to HW tracing on ARM, i.e coresight, under "drivers/coresight" doesn't make sense when other architectures start rolling out technologies of the same nature. As such creating a new "drivers/hwtracing" directory where all drivers of the same kind can reside, reducing namespace pollution under "drivers/". Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Oded Gabbay
|
1bacc894c2 |
drivers: Move iommu/ before gpu/ in Makefile
AMD GPU devices are dependent on AMD IOMMU controller functionality to allow the GPU to access a process's virtual memory address space, without the need for pinning the memory. This patch changes the order in the drivers makefile, so iommu/ subsystem is linked before gpu/ subsystem. That way, if the gpu and iommu drivers are compiled inside the kernel image (not as modules), the correct order of device loading is still maintained (iommu module is loaded before gpu module). Signed-off-by: Oded Gabbay <oded.gabbay@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> |
||
|
Linus Torvalds
|
dab363f938 |
Staging patches for 3.19-rc1
Here's the big staging tree pull request for 3.19-rc1. We continued to delete more lines than were added, always a good thing, but not at a huge rate this release, only about 70k lines removed overall mostly from removing the horrid bcm driver. Lots of normal staging driver cleanups and fixes all over the place, well over a thousand of them, the shortlog shows all the horrid details. The "contentious" thing here is the movement of the Android binder code out of staging into the "real" part of the kernel. This is code that has been stable for a few years now and is working as-is in the tens of millions of devices with no issues. Yes, the code is horrid, and the userspace api leaves a lot to be desired, but it's not going to change due to legacy issues that we have no control over. Because so many devices and companies rely on this, and the code is stable, might as well promote it out of staging. This was all discussed at the Linux Plumbers conference, and everyone participating agreed that this was the best way forward. There is work happening to replace the binder code with something new that is happening right now, but I don't expect to see the results of that work for another year at the earliest. If that ever happens, and Android switches over to it, I'll gladly remove this version. As for maintainers, I'll be glad to maintain this code, I've been doing it for the past few years with no problems. I'll send a MAINTAINERS entry for it before 3.19-final is out, still need to talk to the Google developers about if they are willing to help with it or not, last I checked they were, which was good. All of these patches have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlSPICkACgkQMUfUDdst+yksdwCfSLE9VUy1o2sAPDRe+J3bQced EWEAoL3RtnejKbo5tHS2IT69pLrwiIDS =YXyM -----END PGP SIGNATURE----- Merge tag 'staging-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver updates from Greg KH: "Here's the big staging tree pull request for 3.19-rc1. We continued to delete more lines than were added, always a good thing, but not at a huge rate this release, only about 70k lines removed overall mostly from removing the horrid bcm driver. Lots of normal staging driver cleanups and fixes all over the place, well over a thousand of them, the shortlog shows all the horrid details. The "contentious" thing here is the movement of the Android binder code out of staging into the "real" part of the kernel. This is code that has been stable for a few years now and is working as-is in the tens of millions of devices with no issues. Yes, the code is horrid, and the userspace api leaves a lot to be desired, but it's not going to change due to legacy issues that we have no control over. Because so many devices and companies rely on this, and the code is stable, might as well promote it out of staging. This was all discussed at the Linux Plumbers conference, and everyone participating agreed that this was the best way forward. There is work happening to replace the binder code with something new that is happening right now, but I don't expect to see the results of that work for another year at the earliest. If that ever happens, and Android switches over to it, I'll gladly remove this version. As for maintainers, I'll be glad to maintain this code, I've been doing it for the past few years with no problems. I'll send a MAINTAINERS entry for it before 3.19-final is out, still need to talk to the Google developers about if they are willing to help with it or not, last I checked they were, which was good. All of these patches have been in linux-next for a while with no reported issues" * tag 'staging-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1382 commits) Staging: slicoss: Fix long line issues in slicoss.c staging: rtl8712: remove unnecessary else after return staging: comedi: change some printk calls to pr_err staging: rtl8723au: hal: Removed the extra semicolon lustre: Deletion of unnecessary checks before three function calls staging: lustre: fix sparse warnings: static function declaration staging: lustre: fixed sparse warnings related to static declarations staging: unisys: remove duplicate header staging: unisys: remove unneeded structure staging: ft1000 : replace __attribute ((__packed__) with __packed drivers: staging: rtl8192e: Include "asm/unaligned.h" instead of "access_ok.h" in "rtl819x_BAProc.c" Drivers:staging:rtl8192e: Fixed checkpatch warning Drivers:staging:clocking-wizard: Added a newline staging: clocking-wizard: check for a valid clk_name pointer staging: rtl8723au: Hal_InitPGData() avoid unnecessary typecasts staging: rtl8723au: _DisableAnalog(): Avoid zero-init variables unnecessarily staging: rtl8723au: Remove unnecessary wrapper _ResetDigitalProcedure1() staging: rtl8723au: _ResetDigitalProcedure1_92C() reduce code obfuscation staging: rtl8723au: Remove unnecessary wrapper _DisableRFAFEAndResetBB() staging: rtl8723au: _DisableRFAFEAndResetBB8192C(): Reduce code obfuscation ... |
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Pratik Patel
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a06ae8609b |
coresight: add CoreSight core layer framework
CoreSight components are compliant with the ARM CoreSight architecture specification and can be connected in various topologies to suit a particular SoC tracing needs. These trace components can generally be classified as sources, links and sinks. Trace data produced by one or more sources flows through the intermediate links connecting the source to the currently selected sink. The CoreSight framework provides an interface for the CoreSight trace drivers to register themselves with. It's intended to build up a topological view of the CoreSight components and configure the correct serie of components on user input via sysfs. For eg., when enabling a source, the framework builds up a path consisting of all the components connecting the source to the currently selected sink(s) and enables all of them. The framework also supports switching between available sinks and provides status information to user space applications through the debugfs interface. Signed-off-by: Pratik Patel <pratikp@codeaurora.org> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Greg Kroah-Hartman
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777783e0ab |
staging: android: binder: move to the "real" part of the kernel
The Android binder code has been "stable" for many years now. No matter what comes in the future, we are going to have to support this API, so might as well move it to the "real" part of the kernel as there's no real work that needs to be done to the existing code. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linus Torvalds
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29b88e23a9 |
Driver core patches for 3.17-rc1
Here's the big driver-core pull request for 3.17-rc1. Largest thing in here is the dma-buf rework and fence code, that touched many different subsystems so it was agreed it should go through this tree to handle merge issues. There's also some firmware loading updates, as well as tests added, and a few other tiny changes, the changelog has the details. All have been in linux-next for a long time. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlPf1XcACgkQMUfUDdst+ylREACdHLXBa02yLrRzbrONJ+nARuFv JuQAoMN49PD8K9iMQpXqKBvZBsu+iCIY =w8OJ -----END PGP SIGNATURE----- Merge tag 'driver-core-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here's the big driver-core pull request for 3.17-rc1. Largest thing in here is the dma-buf rework and fence code, that touched many different subsystems so it was agreed it should go through this tree to handle merge issues. There's also some firmware loading updates, as well as tests added, and a few other tiny changes, the changelog has the details. All have been in linux-next for a long time" * tag 'driver-core-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (32 commits) ARM: imx: Remove references to platform_bus in mxc code firmware loader: Fix _request_firmware_load() return val for fw load abort platform: Remove most references to platform_bus device test: add firmware_class loader test doc: fix minor typos in firmware_class README staging: android: Cleanup style issues Documentation: devres: Sort managed interfaces Documentation: devres: Add devm_kmalloc() et al fs: debugfs: remove trailing whitespace kernfs: kernel-doc warning fix debugfs: Fix corrupted loop in debugfs_remove_recursive stable_kernel_rules: Add pointer to netdev-FAQ for network patches driver core: platform: add device binding path 'driver_override' driver core/platform: remove unused implicit padding in platform_object firmware loader: inform direct failure when udev loader is disabled firmware: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN firmware: read firmware size using i_size_read() firmware loader: allow disabling of udev as firmware loader reservation: add suppport for read-only access using rcu reservation: update api and add some helpers ... Conflicts: drivers/base/platform.c |
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Linus Torvalds
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2521129a6d |
Char / Misc driver patches for 3.17-rc1
Here's the big driver misc / char pull request for 3.17-rc1. Lots of things in here, the thunderbolt support for Apple laptops, some other new drivers, testing fixes, and other good things. All have been in linux-next for a long time. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlPf1LcACgkQMUfUDdst+ymaVwCgqMrKFmpduBufOSFROhxlfB5Q ajsAoNDmIn3pgla+kj23Y5ib20aMi++s =IdIr -----END PGP SIGNATURE----- Merge tag 'char-misc-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char / misc driver patches from Greg KH: "Here's the big driver misc / char pull request for 3.17-rc1. Lots of things in here, the thunderbolt support for Apple laptops, some other new drivers, testing fixes, and other good things. All have been in linux-next for a long time" * tag 'char-misc-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (119 commits) misc: bh1780: Introduce the use of devm_kzalloc Lattice ECP3 FPGA: Correct endianness drivers/misc/ti-st: Load firmware from ti-connectivity directory. dt-bindings: extcon: Add support for SM5502 MUIC device extcon: sm5502: Change internal hardware switch according to cable type extcon: sm5502: Detect cable state after completing platform booting extcon: sm5502: Add support new SM5502 extcon device driver extcon: arizona: Get MICVDD against extcon device extcon: Remove unnecessary OOM messages misc: vexpress: Fix sparse non static symbol warnings mei: drop unused hw dependent fw status functions misc: bh1770glc: Use managed functions pcmcia: remove DEFINE_PCI_DEVICE_TABLE usage misc: remove DEFINE_PCI_DEVICE_TABLE usage ipack: Replace DEFINE_PCI_DEVICE_TABLE macro use drivers/char/dsp56k.c: drop check for negativity of unsigned parameter mei: fix return value on disconnect timeout mei: don't schedule suspend in pm idle mei: start disconnect request timer consistently mei: reset client connection state on timeout ... |
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Maarten Lankhorst
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35fac7e305 |
dma-buf: move to drivers/dma-buf
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Acked-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Chen, Gong
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76ac8275f2 |
trace, RAS: Add basic RAS trace event
To avoid confuision and conflict of usage for RAS related trace event, add an unified RAS trace event stub. Start a RAS subsystem menu which will be fleshed out in time, when more features get added to it. Signed-off-by: Chen, Gong <gong.chen@linux.intel.com> Link: http://lkml.kernel.org/r/1402475691-30045-2-git-send-email-gong.chen@linux.intel.com Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Tony Luck <tony.luck@intel.com> |
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Andreas Noever
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1660315366 |
thunderbolt: Add initial cactus ridge NHI support
Thunderbolt hotplug is supposed to be handled by the firmware. But Apple decided to implement thunderbolt at the operating system level. The firmare only initializes thunderbolt devices that are present at boot time. This driver enables hotplug of thunderbolt of non-chained thunderbolt devices on Apple systems with a cactus ridge controller. This first patch adds the Kconfig file as well the parts of the driver which talk directly to the hardware (that is pci device setup, interrupt handling and RX/TX ring management). Signed-off-by: Andreas Noever <andreas.noever@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linus Torvalds
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4046136afb |
Char / misc driver patches for 3.16-rc1
Here is the big char / misc driver updates for 3.16-rc1. Lots of different driver updates for a variety of different drivers and minor driver subsystems. All have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iEYEABECAAYFAlONWI8ACgkQMUfUDdst+ykvQACdGxTChdEU7edElDAXeelVmu8v D1UAoLDvqwUsN7t5v+WG2wkOvhf5MEA7 =tVMP -----END PGP SIGNATURE----- Merge tag 'char-misc-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into next Pull char/misc driver patches from Greg KH: "Here is the big char / misc driver update for 3.16-rc1. Lots of different driver updates for a variety of different drivers and minor driver subsystems. All have been in linux-next with no reported issues" * tag 'char-misc-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (79 commits) hv: use correct order when freeing monitor_pages spmi: of: fixup generic SPMI devicetree binding example applicom: dereferencing NULL on error path misc: genwqe: fix uninitialized return value in genwqe_free_sync_sgl() miscdevice.h: Simple syntax fix to make pointers consistent. MAINTAINERS: Add miscdevice.h to file list for char/misc drivers. mcb: Add support for shared PCI IRQs drivers: Remove duplicate conditionally included subdirs misc: atmel_pwm: only build for supported platforms mei: me: move probe quirk to cfg structure mei: add per device configuration mei: me: read H_CSR after asserting reset mei: me: drop harmful wait optimization mei: me: fix hw ready reset flow mei: fix memory leak of mei_clients array uio: fix vma io range check in mmap drivers: uio_dmem_genirq: Fix memory leak in uio_dmem_genirq_probe() w1: do not unlock unheld list_mutex in __w1_remove_master_device() w1: optional bundling of netlink kernel replies connector: allow multiple messages to be sent in one packet ... |
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Linus Torvalds
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a727eaf64f |
ARM: SoC driver changes
SoC-near driver changes that we're merging through our tree. Mostly because they depend on other changes we have staged, but in some cases because the driver maintainers preferred that we did it this way. This contains a largeish cleanup series of the omap_l3_noc bus driver, cpuidle rework for Exynos, some reset driver conversions and a long branch of TI EDMA fixes and cleanups, with more to come next release. The TI EDMA cleanups is a shared branch with the dmaengine tree, with a handful of Davinci-specific fixes on top. After discussion at last year's KS (and some more on the mailing lists), we are here adding a drivers/soc directory. The purpose of this is to keep per-vendor shared code that's needed by different drivers but that doesn't fit into the MFD (nor drivers/platform) model. We expect to keep merging contents for this hierarchy through arm-soc so we can keep an eye on what the vendors keep adding here and not making it a free-for-all to shove in crazy stuff. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQIcBAABAgAGBQJTjOFiAAoJEIwa5zzehBx30RYP/0UE+R8ccdsodunmIDrmQ7QP qFWe1YTWlyXtGBDaPCNfdcU09UYatPKuCv5dJ2ToQCyyFI26PIIhFtnCNXmMuYz+ XPCuqAlJ9hZWx7+j2hXRlyhoZMAaJ5EVVxaK5tnVYXDIfy1Y3xG7i069HD/qGrQp xrV+XofFmpU2VAds6S+SpecFFfYD7n/pJ1bTSgzPfaUsEUyV882dJ3skgs1VpTzQ PnL/0Z2t4ePoP3+6p+F7EnJxemLF5IXrlL0c7hODxQKuMqlzoUluywh6SwOHfCQL u2cc5SFUbbKhExwlGOVibdQMiC0HUOXyRvyYFOIdbv+xNH+Zc/tcoQQ22PWm4Yy1 08qOm3Fr6yw5nH5IT+1wCIFCzJEC/ZHM5B2t+RISFybAMk6Bg1TDYJLmd570zkEL aTLtS5hdmy4h8Ad5FBtwKNyL//6FJJxhbHUu/m0qaE0phq94+78B2M6vbx6757xC kCFlpJsHoN0Tn5c9Q1hpTqI/BHxb4UR7Nf+b8Ox8Veuc9JrS35lzi/rWnGxB5WB0 +1KCA8eih9KXTtksxAte1TmSbMciqW559RUR7dNAPXAMPksY2mJV1I+rg0cRsY3i F90Lnc6LWUM5PYpc4VwiC0sUCLKzTFnpZUELqMOiws3PUblbb0StXuoNo6owbtsK mp1Juxi1n7VhoN9AFVpL =SC+e -----END PGP SIGNATURE----- Merge tag 'drivers-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next Pull ARM SoC driver changes from Olof Johansson: "SoC-near driver changes that we're merging through our tree. Mostly because they depend on other changes we have staged, but in some cases because the driver maintainers preferred that we did it this way. This contains a largeish cleanup series of the omap_l3_noc bus driver, cpuidle rework for Exynos, some reset driver conversions and a long branch of TI EDMA fixes and cleanups, with more to come next release. The TI EDMA cleanups is a shared branch with the dmaengine tree, with a handful of Davinci-specific fixes on top. After discussion at last year's KS (and some more on the mailing lists), we are here adding a drivers/soc directory. The purpose of this is to keep per-vendor shared code that's needed by different drivers but that doesn't fit into the MFD (nor drivers/platform) model. We expect to keep merging contents for this hierarchy through arm-soc so we can keep an eye on what the vendors keep adding here and not making it a free-for-all to shove in crazy stuff" * tag 'drivers-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (101 commits) cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM tty: serial: msm: Remove direct access to GSBI power: reset: keystone-reset: introduce keystone reset driver Documentation: dt: add bindings for keystone pll control controller Documentation: dt: add bindings for keystone reset driver soc: qcom: fix of_device_id table ARM: EXYNOS: Fix kernel panic when unplugging CPU1 on exynos ARM: EXYNOS: Move the driver to drivers/cpuidle directory ARM: EXYNOS: Cleanup all unneeded headers from cpuidle.c ARM: EXYNOS: Pass the AFTR callback to the platform_data ARM: EXYNOS: Move S5P_CHECK_SLEEP into pm.c ARM: EXYNOS: Move the power sequence call in the cpu_pm notifier ARM: EXYNOS: Move the AFTR state function into pm.c ARM: EXYNOS: Encapsulate the AFTR code into a function ARM: EXYNOS: Disable cpuidle for exynos5440 ARM: EXYNOS: Encapsulate boot vector code into a function for cpuidle ARM: EXYNOS: Pass wakeup mask parameter to function for cpuidle ARM: EXYNOS: Remove ifdef for scu_enable in pm ARM: EXYNOS: Move scu_enable in the cpu_pm notifier ARM: EXYNOS: Use the cpu_pm notifier for pm ... |
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Geert Uytterhoeven
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2e1c951f5d |
drivers: Remove duplicate conditionally included subdirs
The "macintosh" and "nfs" subdirectories are already traversed unconditionally, so there's no need to keep the conditional entries. The unconditional "macintosh" entry used to depend on CONFIG_PPC_PMAC, but the dependency was dropped in commit |
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Arnd Bergmann
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34b16f74eb |
Qualcomm ARM Based driver Updates for v3.16
* Introduce drivers/soc directory for misc SoC specific code * Add driver to configure GSBI device -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: GPGTools - https://gpgtools.org iQIcBAABCgAGBQJTf5R9AAoJEF9hYXeAcXzBAvkP/RSUlmSd5CQk85rbcMxIlxUz 46OUrDDPLpj1a/rHj+HQMA9vqW2KkIrqZe5eja9oAup13cqHGms36VLMqXF9Lmjt AqCIYKyJ2+NZ9JMh5+nVSAr2sxlkbLMKjHb7auHyWVvTmgv1zxOPDQrfhqqKnEkY RNmZG8OKc42S3oG2R/h0X2ehlukDG+O+SYOmnSsaQNXPzpVBHY1aPuWBJ0A3vDyq YDggeUoEPw1twWajXtUF/3XIJrOIpQo94qT9daJzlrUtrxwHWHTBI2LMGFch480z fGiJwpwgwX945l+dLW02KWpnOqwhzISPxokIeHdCZemMx8Ntm0mYOi6PX2pul0kO /pAxjmf2B7bq1ykCpW5YSR6bHv+/0Viu3Ra6iJpifm+xDMjQw5CXz/Hi5tB7Og1O dcA2XiIVfhcLfubP35J/IxWR4+2GT7YmcBr93htOFyghuzPiY2Es6sCy1uIPY4jV stvvXKnuCz7bNfQcgHsdSl+mw7qEEC1DpmpVawJCNbuSTYc5ASRESkJwPhX0XZK0 Y0mSwm9noH022oi+TMg31EftMqcpk7dB39tSukz1BkhNlLGk5q6KbuVLV7GDm4dY vyxOKD7GD7hrI0sROy2R6G9qSsaz++p2CvTaj7rr3GQiS/E2ih0bA3OSm/RoxPJM n39EfyrEuNLEPxm5pB8i =Y4iq -----END PGP SIGNATURE----- Merge tag 'qcom-drivers-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/drivers Qualcomm ARM Based driver Updates for v3.16 * Introduce drivers/soc directory for misc SoC specific code * Add driver to configure GSBI device * tag 'qcom-drivers-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom: soc: qcom: Add GSBI driver soc: Introduce drivers/soc place-holder for SOC specific drivers Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Santosh Shilimkar
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3a6e08218f |
soc: Introduce drivers/soc place-holder for SOC specific drivers
Based on earlier thread "https://lkml.org/lkml/2013/10/7/662" and discussion at Kernel Summit'2013, it was agreed to create 'driver/soc' for drivers which are quite SOC specific. Further discussion on the subject is in response to the earlier version of the patch is here: http://lwn.net/Articles/588942/ Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Kumar Gala <galak@codeaurora.org> Cc: Paul Walmsley <paul@pwsan.com> Cc: Olof Johansson <olof@lixom.net> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sandeep Nair <sandeep_n@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Kumar Gala <galak@codeaurora.org> |
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Linus Torvalds
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f6ce579d91 |
SH Driver Update for v3.15
* Compile drivers/sh/pm_runtime.c if ARCH_SHMOBILE_MULTI This resolves a regression introduced in v3.14 by |
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Geert Uytterhoeven
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3c90c55dcd |
drivers: sh: compile drivers/sh/pm_runtime.c if ARCH_SHMOBILE_MULTI
If the kernel is built to support multi-ARM configuration with shmobile support built in, then drivers/sh is not built. This contains the PM runtime code in drivers/sh/pm_runtime.c, which implicitly enables the module clocks for all devices, and thus is quite essential. Without this, the state of clocks depends on implicit reset state, or on the bootloader. If ARCH_SHMOBILE_MULTI then build the drivers/sh directory, but ensure that bits that may conflict (drivers/sh/clk if the common clock framework is enabled) or are not used (drivers/sh/intc), are not built. Also, only enable the PM runtime code when actually running on a shmobile SoCs that needs it. ARCH_SHMOBILE_MULTI was added a while ago by commit |
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Tomi Valkeinen
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f7018c2135 |
video: move fbdev to drivers/video/fbdev
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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Johannes Thumshirn
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3764e82e51 |
drivers: Introduce MEN Chameleon Bus
The MCB (MEN Chameleon Bus) is a Bus specific to MEN Mikroelektronik FPGA based devices. It is used to identify MCB based IP-Cores within an FPGA and provide the necessary framework for instantiating drivers for these devices. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Kenneth Heitke
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5a86bf3439 |
spmi: Linux driver framework for SPMI
System Power Management Interface (SPMI) is a specification developed by the MIPI (Mobile Industry Process Interface) Alliance optimized for the real time control of Power Management ICs (PMIC). SPMI is a two-wire serial interface that supports up to 4 master devices and up to 16 logical slaves. The framework supports message APIs, multiple busses (1 controller per bus) and multiple clients/slave devices per controller. Signed-off-by: Kenneth Heitke <kheitke@codeaurora.org> Signed-off-by: Michael Bohan <mbohan@codeaurora.org> Signed-off-by: Josh Cartwright <joshc@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Laurent Pinchart
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bf98c1eac1 |
ARM: Rename ARCH_SHMOBILE to ARCH_SHMOBILE_LEGACY
SH-Mobile platforms are transitioning from non-multiplatform to multiplatform kernel. A new ARCH_SHMOBILE_MULTI configuration symbol has been created to group all multiplatform-enabled SH-Mobile SoCs. The existing ARCH_SHMOBILE configuration symbol groups SoCs that haven't been converted yet. This arrangement works fine for the arch/ code, but lots of drivers needed on both ARCH_SHMOBILE and ARCH_SHMOBILE_MULTI depend on ARCH_SHMOBILE only. In order to avoid changing them, rename ARCH_SHMOBILE to ARCH_SHMOBILE_LEGACY, and create a new boolean ARCH_SHMOBILE configuration symbol that is selected by both ARCH_SHMOBILE_LEGACY and ARCH_SHMOBILE_MULTI. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
||
|
Linus Torvalds
|
f9300eaaac |
ACPI and power management updates for 3.13-rc1
- New power capping framework and the the Intel Running Average Power
Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.
- Addition of the in-kernel switching feature to the arm_big_little
cpufreq driver from Viresh Kumar and Nicolas Pitre.
- cpufreq support for iMac G5 from Aaro Koskinen.
- Baytrail processors support for intel_pstate from Dirk Brandewie.
- cpufreq support for Midway/ECX-2000 from Mark Langsdorf.
- ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.
- ACPI power management support for the I2C and SPI bus types from
Mika Westerberg and Lv Zheng.
- cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.
- cpufreq drivers updates (mostly fixes and cleanups) from Viresh Kumar,
Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz Majewski,
Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.
- intel_pstate updates from Dirk Brandewie and Adrian Huang.
- ACPICA update to version 20130927 includig fixes and cleanups and
some reduction of divergences between the ACPICA code in the kernel
and ACPICA upstream in order to improve the automatic ACPICA patch
generation process. From Bob Moore, Lv Zheng, Tomasz Nowicki,
Naresh Bhat, Bjorn Helgaas, David E Box.
- ACPI IPMI driver fixes and cleanups from Lv Zheng.
- ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani,
Zhang Yanfei, Rafael J Wysocki.
- Conversion of the ACPI AC driver to the platform bus type and
multiple driver fixes and cleanups related to ACPI from Zhang Rui.
- ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.
- Fixes and cleanups and new blacklist entries related to the ACPI
video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
Kirill Tkhai.
- cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.
- cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
Bartlomiej Zolnierkiewicz, Prarit Bhargava.
- devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.
- Operation Performance Points (OPP) core updates from Nishanth Menon.
- Runtime power management core fix from Rafael J Wysocki and update
from Ulf Hansson.
- Hibernation fixes from Aaron Lu and Rafael J Wysocki.
- Device suspend/resume lockup detection mechanism from Benoit Goby.
- Removal of unused proc directories created for various ACPI drivers
from Lan Tianyu.
- ACPI LPSS driver fix and new device IDs for the ACPI platform scan
handler from Heikki Krogerus and Jarkko Nikula.
- New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.
- Assorted fixes and cleanups related to ACPI from Andy Shevchenko,
Al Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
Liu Chuansheng.
- Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
Jean-Christophe Plagniol-Villard.
/
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Merge tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael J Wysocki:
- New power capping framework and the the Intel Running Average Power
Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.
- Addition of the in-kernel switching feature to the arm_big_little
cpufreq driver from Viresh Kumar and Nicolas Pitre.
- cpufreq support for iMac G5 from Aaro Koskinen.
- Baytrail processors support for intel_pstate from Dirk Brandewie.
- cpufreq support for Midway/ECX-2000 from Mark Langsdorf.
- ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.
- ACPI power management support for the I2C and SPI bus types from Mika
Westerberg and Lv Zheng.
- cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.
- cpufreq drivers updates (mostly fixes and cleanups) from Viresh
Kumar, Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz
Majewski, Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.
- intel_pstate updates from Dirk Brandewie and Adrian Huang.
- ACPICA update to version 20130927 includig fixes and cleanups and
some reduction of divergences between the ACPICA code in the kernel
and ACPICA upstream in order to improve the automatic ACPICA patch
generation process. From Bob Moore, Lv Zheng, Tomasz Nowicki, Naresh
Bhat, Bjorn Helgaas, David E Box.
- ACPI IPMI driver fixes and cleanups from Lv Zheng.
- ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani, Zhang
Yanfei, Rafael J Wysocki.
- Conversion of the ACPI AC driver to the platform bus type and
multiple driver fixes and cleanups related to ACPI from Zhang Rui.
- ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.
- Fixes and cleanups and new blacklist entries related to the ACPI
video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
Kirill Tkhai.
- cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.
- cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
Bartlomiej Zolnierkiewicz, Prarit Bhargava.
- devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.
- Operation Performance Points (OPP) core updates from Nishanth Menon.
- Runtime power management core fix from Rafael J Wysocki and update
from Ulf Hansson.
- Hibernation fixes from Aaron Lu and Rafael J Wysocki.
- Device suspend/resume lockup detection mechanism from Benoit Goby.
- Removal of unused proc directories created for various ACPI drivers
from Lan Tianyu.
- ACPI LPSS driver fix and new device IDs for the ACPI platform scan
handler from Heikki Krogerus and Jarkko Nikula.
- New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.
- Assorted fixes and cleanups related to ACPI from Andy Shevchenko, Al
Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
Liu Chuansheng.
- Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
Jean-Christophe Plagniol-Villard.
* tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (386 commits)
cpufreq: conservative: fix requested_freq reduction issue
ACPI / hotplug: Consolidate deferred execution of ACPI hotplug routines
PM / runtime: Use pm_runtime_put_sync() in __device_release_driver()
ACPI / event: remove unneeded NULL pointer check
Revert "ACPI / video: Ignore BIOS initial backlight value for HP 250 G1"
ACPI / video: Quirk initial backlight level 0
ACPI / video: Fix initial level validity test
intel_pstate: skip the driver if ACPI has power mgmt option
PM / hibernate: Avoid overflow in hibernate_preallocate_memory()
ACPI / hotplug: Do not execute "insert in progress" _OST
ACPI / hotplug: Carry out PCI root eject directly
ACPI / hotplug: Merge device hot-removal routines
ACPI / hotplug: Make acpi_bus_hot_remove_device() internal
ACPI / hotplug: Simplify device ejection routines
ACPI / hotplug: Fix handle_root_bridge_removal()
ACPI / hotplug: Refuse to hot-remove all objects with disabled hotplug
ACPI / scan: Start matching drivers after trying scan handlers
ACPI: Remove acpi_pci_slot_init() headers from internal.h
ACPI / blacklist: fix name of ThinkPad Edge E530
PowerCap: Fix build error with option -Werror=format-security
...
Conflicts:
arch/arm/mach-omap2/opp.c
drivers/Kconfig
drivers/spi/spi.c
|
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Srinivas Pandruvada
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12cc4b3827 |
PowerCap: Add to drivers Kconfig and Makefile
Added changes to Makefile and Kconfig to include in driver build. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Kishon Vijay Abraham I
|
ff76496347 |
drivers: phy: add generic PHY framework
The PHY framework provides a set of APIs for the PHY drivers to create/destroy a PHY and APIs for the PHY users to obtain a reference to the PHY with or without using phandle. For dt-boot, the PHY drivers should also register *PHY provider* with the framework. PHY drivers should create the PHY by passing id and ops like init, exit, power_on and power_off. This framework is also pm runtime enabled. The documentation for the generic PHY framework is added in Documentation/phy.txt and the documentation for dt binding can be found at Documentation/devicetree/bindings/phy/phy-bindings.txt Cc: Tomasz Figa <t.figa@samsung.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Tested-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linus Torvalds
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3aa78e0cb5 |
For the 3.11 merge we only have one new MFD driver for the Kontron PLD.
But we also have: - Support for the TPS659038 PMIC from the palmas driver. - Intel's Coleto Creek and Avoton SoCs support from the lpc_ich driver. - RTL8411B support from the rtsx driver. - More DT support for the Arizona, max8998, twl4030-power and the ti_am335x_tsadc drivers. - The SSBI driver move under MFD. - A conversion to the devm_* API for most of the MFD drivers. - The twl4030-power got split from twl-core into its own module. - A major ti_am335x_adc cleanup, leading to a proper DT support. - Our regular arizona and wm* updates and cleanups from the Wolfson folks. - A better error handling and initialization, and a regulator subdevice addition for the 88pm80x driver. - A bulk platform_set_drvdata() call removal that's no longer need since commit |
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Alessandro Rubini
|
9c9f32edde |
FMC: create drivers/fmc and toplevel Kconfig question
This commit creates the drivers/fmc directory and puts the necessary hooks for kbuild and kconfig. The code is currently a placeholder that only registers an empty bus. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Juan David Gonzalez Cobas <dcobas@cern.ch> Acked-by: Emilio G. Cota <cota@braap.org> Acked-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Arnd Bergmann
|
45fcac1aad |
mfd: Move ssbi driver into drivers/mfd
There is no reason for ssbi to have its own top-level driver directory when the only users of this interface are all MFD drivers. The only mainline driver using it at the moment (PM8921) is marked broken and in fact does not compile. I have verified that fixing the trivial build breakage in pm8921 links in the new ssbi code just fine, but that can be a separate patch. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: David Brown <davidb@codeaurora.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> |
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Linus Torvalds
|
6fa52ed33b |
ARM: arm-soc driver changes for 3.10
This is a rather large set of patches for device drivers that for one
reason or another the subsystem maintainer preferred to get merged
through the arm-soc tree. There are both new drivers as well as
existing drivers that are getting converted from platform-specific
code into standalone drivers using the appropriate subsystem
specific interfaces.
In particular, we can now have pinctrl, clk, clksource and irqchip
drivers in one file per driver, without the need to call into
platform specific interface, or to get called from platform specific
code, as long as all information about the hardware is provided
through a device tree.
Most of the drivers we touch this time are for clocksource. Since
now most of them are part of drivers/clocksource, I expect that we
won't have to touch these again from arm-soc and can let the
clocksource maintainers take care of these in the future.
Another larger part of this series is specific to the exynos platform,
which is seeing some significant effort in upstreaming and
modernization of its device drivers this time around, which
unfortunately is also the cause for the churn and a lot of the
merge conflicts.
There is one new subsystem that gets merged as part of this series:
the reset controller interface, which is a very simple interface
for taking devices on the SoC out of reset or back into reset.
Patches to use this interface on i.MX follow later in this merge
window, and we are going to have other platforms (at least tegra
and sirf) get converted in 3.11. This will let us get rid of
platform specific callbacks in a number of platform independent
device drivers.
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver changes from Olof Johansson:
"This is a rather large set of patches for device drivers that for one
reason or another the subsystem maintainer preferred to get merged
through the arm-soc tree. There are both new drivers as well as
existing drivers that are getting converted from platform-specific
code into standalone drivers using the appropriate subsystem specific
interfaces.
In particular, we can now have pinctrl, clk, clksource and irqchip
drivers in one file per driver, without the need to call into platform
specific interface, or to get called from platform specific code, as
long as all information about the hardware is provided through a
device tree.
Most of the drivers we touch this time are for clocksource. Since now
most of them are part of drivers/clocksource, I expect that we won't
have to touch these again from arm-soc and can let the clocksource
maintainers take care of these in the future.
Another larger part of this series is specific to the exynos platform,
which is seeing some significant effort in upstreaming and
modernization of its device drivers this time around, which
unfortunately is also the cause for the churn and a lot of the merge
conflicts.
There is one new subsystem that gets merged as part of this series:
the reset controller interface, which is a very simple interface for
taking devices on the SoC out of reset or back into reset. Patches to
use this interface on i.MX follow later in this merge window, and we
are going to have other platforms (at least tegra and sirf) get
converted in 3.11. This will let us get rid of platform specific
callbacks in a number of platform independent device drivers."
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (256 commits)
irqchip: s3c24xx: add missing __init annotations
ARM: dts: Disable the RTC by default on exynos5
clk: exynos5250: Fix parent clock for sclk_mmc{0,1,2,3}
ARM: exynos: restore mach/regs-clock.h for exynos5
clocksource: exynos_mct: fix build error on non-DT
pinctrl: vt8500: wmt: Fix checking return value of pinctrl_register()
irqchip: vt8500: Convert arch-vt8500 to new irqchip infrastructure
reset: NULL deref on allocation failure
reset: Add reset controller API
dt: describe base reset signal binding
ARM: EXYNOS: Add arm-pmu DT binding for exynos421x
ARM: EXYNOS: Add arm-pmu DT binding for exynos5250
ARM: EXYNOS: Enable PMUs for exynos4
irqchip: exynos-combiner: Correct combined IRQs for exynos4
irqchip: exynos-combiner: Add set_irq_affinity function for combiner_irq
ARM: EXYNOS: fix compilation error introduced due to common clock migration
clk: exynos5250: Fix divider values for sclk_mmc{0,1,2,3}
clk: exynos4: export clocks required for fimc-is
clk: samsung: Fix compilation error
clk: tegra: fix enum tegra114_clk to match binding
...
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||
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Linus Torvalds
|
736a2dd257 |
Lots of virtio work which wasn't quite ready for last merge window. Plus
I dived into lguest again, reworking the pagetable code so we can move the switcher page: our fixmaps sometimes take more than 2MB now... Cheers, Rusty. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJRga7lAAoJENkgDmzRrbjx/yIQAKpqIBtxOJeYH3SY+Uoe7Cfp toNYcpJEldvb0UcWN8M2cSZpHoxl1SUoq9djwcM29tcKa7EZAjHaGtb/Q1qMTDgv +B3WAfiGU2pmXFxLAkbrlLNGnysy24JspqJQ5hcYV84EiBxQdZp+nCYgOphd+GMK ww16vo9ya8jFjzt3GeRp/Heb3vEzV4Cp6BC3i0m8A3WNpEpbRb66pqXNk5o8ggJO SxQOKSXmUM+0m+jKSul5xn3e2Ls2LOrZZ8/DIHA+gW66N4Zab7n2/j1Q9VRxb4lh FqnR7KwgBX8OCh9IsBDqQYS7MohvMYge6eUdLtFrq84jvMleMEhrC8q9v2tucFUb 5t18CLwvyK7Gdg6UCKiZ7YSPcuURAILO16al9bh5IseeBDsuX+43VsvQoBmFn9k6 cLOVTZ6BlOmahK5PyRYFSvLa9Rxzr/05Mr7oYq9UgshD9io78dnqczFYIORF53rW zD7C4HuTZfYJFfNd0wAJ0RfVXnf8QvDlMdo7zPC26DSXNWqj8OexCY0qqSWUB+2F vcfJP6NkV4fZB8aawWIFUVwc64yqtt2uPVLa7ATZWqk16PgKrchGewmw3tiEwOgu 1l7xgffTRRUIJsqaCZoXdgw3yezcKRjuUBcOxL09lDAAhc+NxWNvzZBsKp66DwDk yZQKn0OdXnuf0CeEOfFf =1tYL -----END PGP SIGNATURE----- Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull virtio & lguest updates from Rusty Russell: "Lots of virtio work which wasn't quite ready for last merge window. Plus I dived into lguest again, reworking the pagetable code so we can move the switcher page: our fixmaps sometimes take more than 2MB now..." Ugh. Annoying conflicts with the tcm_vhost -> vhost_scsi rename. Hopefully correctly resolved. * tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (57 commits) caif_virtio: Remove bouncing email addresses lguest: improve code readability in lg_cpu_start. virtio-net: fill only rx queues which are being used lguest: map Switcher below fixmap. lguest: cache last cpu we ran on. lguest: map Switcher text whenever we allocate a new pagetable. lguest: don't share Switcher PTE pages between guests. lguest: expost switcher_pages array (as lg_switcher_pages). lguest: extract shadow PTE walking / allocating. lguest: make check_gpte et. al return bool. lguest: assume Switcher text is a single page. lguest: rename switcher_page to switcher_pages. lguest: remove RESERVE_MEM constant. lguest: check vaddr not pgd for Switcher protection. lguest: prepare to make SWITCHER_ADDR a variable. virtio: console: replace EMFILE with EBUSY for already-open port virtio-scsi: reset virtqueue affinity when doing cpu hotplug virtio-scsi: introduce multiqueue support virtio-scsi: push vq lock/unlock into virtscsi_vq_done virtio-scsi: pass struct virtio_scsi to virtqueue completion function ... |
||
|
Linus Torvalds
|
ec25e246b9 |
USB patches for 3.10-rc1
Here's the big USB pull request for 3.10-rc1. Lots of USB patches here, the majority being USB gadget changes and USB-serial driver cleanups, the rest being ARM build fixes / cleanups, and individual driver updates. We also finally got some chipidea fixes, which have been delayed for a number of kernel releases, as the maintainer has now reappeared. All of these have been in linux-next for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEABECAAYFAlF+md4ACgkQMUfUDdst+ymkSgCfZWIiCtiX/li0yJqSiRB4yYJx Ex0AoNemOOf6ywvSOHPbILTbJ1G+c/PX =JmvB -----END PGP SIGNATURE----- Merge tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB patches from Greg Kroah-Hartman: "Here's the big USB pull request for 3.10-rc1. Lots of USB patches here, the majority being USB gadget changes and USB-serial driver cleanups, the rest being ARM build fixes / cleanups, and individual driver updates. We also finally got some chipidea fixes, which have been delayed for a number of kernel releases, as the maintainer has now reappeared. All of these have been in linux-next for a while" * tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (568 commits) USB: ehci-msm: USB_MSM_OTG needs USB_PHY USB: OHCI: avoid conflicting platform drivers USB: OMAP: ISP1301 needs USB_PHY USB: lpc32xx: ISP1301 needs USB_PHY USB: ftdi_sio: enable two UART ports on ST Microconnect Lite usb: phy: tegra: don't call into tegra-ehci directly usb: phy: phy core cannot yet be a module USB: Fix initconst in ehci driver usb-storage: CY7C68300A chips do not support Cypress ATACB USB: serial: option: Added support Olivetti Olicard 145 USB: ftdi_sio: correct ST Micro Connect Lite PIDs ARM: mxs_defconfig: add CONFIG_USB_PHY ARM: imx_v6_v7_defconfig: add CONFIG_USB_PHY usb: phy: remove exported function from __init section usb: gadget: zero: put function instances on unbind usb: gadget: f_sourcesink.c: correct a copy-paste misnomer usb: gadget: cdc2: fix error return code in cdc_do_config() usb: gadget: multi: fix error return code in rndis_do_config() usb: gadget: f_obex: fix error return code in obex_bind() USB: storage: convert to use module_usb_driver() ... |
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Philipp Zabel
|
61fc413176 |
reset: Add reset controller API
This adds a simple API for devices to request being reset by separate reset controller hardware and implements the reset signal device tree binding. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Pavel Machek <pavel@ucw.cz> |
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David Brown
|
ce44bf5b55 |
SSBI: Remove MSM_ prefix from SSBI drivers
Although the SSBI sub is currently only used on MSM SoCs, it is still a bus in its own right. Remove this msm_ prefix from the driver and it's symbols. Clients can now refer directly to ssbi_write() and ssbi_read(). Signed-off-by: David Brown <davidb@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Kenneth Heitke
|
e44b0ceee4 |
add single-wire serial bus interface (SSBI) driver
SSBI is the Qualcomm single-wire serial bus interface used to connect the MSM devices to the PMIC and other devices. Since SSBI only supports a single slave, the driver gets the name of the slave device passed in from the board file through the master device's platform data. SSBI registers pretty early (postcore), so that the PMIC can come up before the board init. This is useful if the board init requires the use of gpios that are connected through the PMIC. Based on a patch by Dima Zavin <dima@android.com> that can be found at: http://android.git.kernel.org/?p=kernel/msm.git;a=commitdiff;h=eb060bac4 This patch adds PMIC Arbiter support for the MSM8660. The PMIC Arbiter is a hardware wrapper around the SSBI 2.0 controller that is designed to overcome concurrency issues and security limitations. A controller_type field is added to the platform data to specify the type of the SSBI controller (1.0, 2.0, or PMIC Arbiter). [davidb@codeaurora.org: I've moved this driver into drivers/ssbi/ and added an include for linux/module.h so that it will compile] Signed-off-by: Kenneth Heitke <kheitke@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Rusty Russell
|
f87d0fbb57 |
vringh: host-side implementation of virtio rings.
Getting use of virtio rings correct is tricky, and a recent patch saw an implementation of in-kernel rings (as separate from userspace). This abstracts the business of dealing with the virtio ring layout from the access (userspace or direct); to do this, we use function pointers, which gcc inlines correctly. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Michael S. Tsirkin <mst@redhat.com> |
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Felipe Balbi
|
edc7cb2e95 |
usb: phy: make it a menuconfig
We already have a considerable amount of USB PHY drivers, making it a menuconfig just prevents us from adding too much churn to USB's menuconfig. While at that, also select USB_OTG_UTILS from this new menuconfig just to keep backwards compatibility until we manage to remove that symbol. Signed-off-by: Felipe Balbi <balbi@ti.com> |
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Linus Torvalds
|
9d3cae26ac |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Benjamin Herrenschmidt:
"So from the depth of frozen Minnesota, here's the powerpc pull request
for 3.9. It has a few interesting highlights, in addition to the
usual bunch of bug fixes, minor updates, embedded device tree updates
and new boards:
- Hand tuned asm implementation of SHA1 (by Paulus & Michael
Ellerman)
- Support for Doorbell interrupts on Power8 (kind of fast
thread-thread IPIs) by Ian Munsie
- Long overdue cleanup of the way we handle relocation of our open
firmware trampoline (prom_init.c) on 64-bit by Anton Blanchard
- Support for saving/restoring & context switching the PPR (Processor
Priority Register) on server processors that support it. This
allows the kernel to preserve thread priorities established by
userspace. By Haren Myneni.
- DAWR (new watchpoint facility) support on Power8 by Michael Neuling
- Ability to change the DSCR (Data Stream Control Register) which
controls cache prefetching on a running process via ptrace by
Alexey Kardashevskiy
- Support for context switching the TAR register on Power8 (new
branch target register meant to be used by some new specific
userspace perf event interrupt facility which is yet to be enabled)
by Ian Munsie.
- Improve preservation of the CFAR register (which captures the
origin of a branch) on various exception conditions by Paulus.
- Move the Bestcomm DMA driver from arch powerpc to drivers/dma where
it belongs by Philippe De Muyter
- Support for Transactional Memory on Power8 by Michael Neuling
(based on original work by Matt Evans). For those curious about
the feature, the patch contains a pretty good description."
(See commit
|
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Linus Torvalds
|
7ed214ac20 |
Char/Misc driver patches for 3.9-rc1
Here's the big char/misc driver patches for 3.9-rc1. Nothing major here, just lots of different driver updates (mei, hyperv, ipack, extcon, vmci, etc.). All of these have been in the linux-next tree for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEABECAAYFAlEmZJgACgkQMUfUDdst+ymhZgCgo2dn37r9uMCwgTSpxSq92Je5 x8kAnRF1UnD6ZvySRIlLUBV5LW1YgFnK =i5HH -----END PGP SIGNATURE----- Merge tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver patches from Greg Kroah-Hartman: "Here's the big char/misc driver patches for 3.9-rc1. Nothing major here, just lots of different driver updates (mei, hyperv, ipack, extcon, vmci, etc.). All of these have been in the linux-next tree for a while." * tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (209 commits) w1: w1_therm: Add force-pullup option for "broken" sensors w1: ds2482: Added 1-Wire pull-up support to the driver vme: add missing put_device() after device_register() fails extcon: max8997: Use workqueue to check cable state after completing boot of platform extcon: max8997: Set default UART/USB path on probe extcon: max8997: Consolidate duplicate code for checking ADC/CHG cable type extcon: max8997: Set default of ADC debounce time during initialization extcon: max8997: Remove duplicate code related to set H/W line path extcon: max8997: Move defined constant to header file extcon: max77693: Make max77693_extcon_cable static extcon: max8997: Remove unreachable code extcon: max8997: Make max8997_extcon_cable static extcon: max77693: Remove unnecessary goto statement to improve readability extcon: max77693: Convert to devm_input_allocate_device() extcon: gpio: Rename filename of extcon-gpio.c according to kernel naming style CREDITS: update email and address of Harald Hoyer extcon: arizona: Use MICDET for final microphone identification extcon: arizona: Always take the first HPDET reading as the final one extcon: arizona: Clear _trig_sts bits after jack detection extcon: arizona: Don't HPDET magic when headphones are enabled ... |
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Rob Herring
|
300586778d |
ARM / highbank: add support for pl320 IPC
The pl320 IPC allows for interprocessor communication between the highbank A9 and the EnergyCore Management Engine. The pl320 implements a straightforward mailbox protocol. Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Jon Mason
|
fce8a7bb5b |
PCI-Express Non-Transparent Bridge Support
A PCI-Express non-transparent bridge (NTB) is a point-to-point PCIe bus connecting 2 systems, providing electrical isolation between the two subsystems. A non-transparent bridge is functionally similar to a transparent bridge except that both sides of the bridge have their own independent address domains. The host on one side of the bridge will not have the visibility of the complete memory or I/O space on the other side of the bridge. To communicate across the non-transparent bridge, each NTB endpoint has one (or more) apertures exposed to the local system. Writes to these apertures are mirrored to memory on the remote system. Communications can also occur through the use of doorbell registers that initiate interrupts to the alternate domain, and scratch-pad registers accessible from both sides. The NTB device driver is needed to configure these memory windows, doorbell, and scratch-pad registers as well as use them in such a way as they can be turned into a viable communication channel to the remote system. ntb_hw.[ch] determines the usage model (NTB to NTB or NTB to Root Port) and abstracts away the underlying hardware to provide access and a common interface to the doorbell registers, scratch pads, and memory windows. These hardware interfaces are exported so that other, non-mainlined kernel drivers can access these. ntb_transport.[ch] also uses the exported interfaces in ntb_hw.[ch] to setup a communication channel(s) and provide a reliable way of transferring data from one side to the other, which it then exports so that "client" drivers can access them. These client drivers are used to provide a standard kernel interface (i.e., Ethernet device) to NTB, such that Linux can transfer data from one system to the other in a standard way. Signed-off-by: Jon Mason <jon.mason@intel.com> Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Philippe De Muyter
|
9a32299394 |
powerpc, dma: move bestcomm driver from arch/powerpc/sysdev to drivers/dma
The bestcomm dma hardware, and some of its users like the FEC ethernet component, is used in different FreeScale parts, including non-powerpc parts like the ColdFire MCF547x & MCF548x families. Don't keep the driver hidden in arch/powerpc where it is inaccessible for other arches. .c files are moved to drivers/dma/bestcomm, while .h files are moved to include/linux/fsl/bestcomm. Makefiles, Kconfigs and #include directives are updated for the new file locations. Tested by recompiling for MPC5200 with all bestcomm users enabled. Signed-off-by: Philippe De Muyter <phdm@macqel.be> Signed-off-by: Anatolij Gustschin <agust@denx.de> |
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Greg Kroah-Hartman
|
05e5027efc |
Staging: ipack: move out of staging
The ipack subsystem is cleaned up enough to now move out of the staging tree, and into drivers/ipack. Cc: Samuel Iglesias Gonsalvez <siglesias@igalia.com> Cc: Jens Taprogge <jens.taprogge@taprogge.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Matthew Garrett
|
061475b65c |
IPMI: Change link order
IPMI must be initialised before ACPI in order to ensure that any IPMI services are available before ACPI driver initialisation attempts to use any IPMI operation regions. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Linus Torvalds
|
aecdc33e11 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking changes from David Miller:
1) GRE now works over ipv6, from Dmitry Kozlov.
2) Make SCTP more network namespace aware, from Eric Biederman.
3) TEAM driver now works with non-ethernet devices, from Jiri Pirko.
4) Make openvswitch network namespace aware, from Pravin B Shelar.
5) IPV6 NAT implementation, from Patrick McHardy.
6) Server side support for TCP Fast Open, from Jerry Chu and others.
7) Packet BPF filter supports MOD and XOR, from Eric Dumazet and Daniel
Borkmann.
8) Increate the loopback default MTU to 64K, from Eric Dumazet.
9) Use a per-task rather than per-socket page fragment allocator for
outgoing networking traffic. This benefits processes that have very
many mostly idle sockets, which is quite common.
From Eric Dumazet.
10) Use up to 32K for page fragment allocations, with fallbacks to
smaller sizes when higher order page allocations fail. Benefits are
a) less segments for driver to process b) less calls to page
allocator c) less waste of space.
From Eric Dumazet.
11) Allow GRO to be used on GRE tunnels, from Eric Dumazet.
12) VXLAN device driver, one way to handle VLAN issues such as the
limitation of 4096 VLAN IDs yet still have some level of isolation.
From Stephen Hemminger.
13) As usual there is a large boatload of driver changes, with the scale
perhaps tilted towards the wireless side this time around.
Fix up various fairly trivial conflicts, mostly caused by the user
namespace changes.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1012 commits)
hyperv: Add buffer for extended info after the RNDIS response message.
hyperv: Report actual status in receive completion packet
hyperv: Remove extra allocated space for recv_pkt_list elements
hyperv: Fix page buffer handling in rndis_filter_send_request()
hyperv: Fix the missing return value in rndis_filter_set_packet_filter()
hyperv: Fix the max_xfer_size in RNDIS initialization
vxlan: put UDP socket in correct namespace
vxlan: Depend on CONFIG_INET
sfc: Fix the reported priorities of different filter types
sfc: Remove EFX_FILTER_FLAG_RX_OVERRIDE_IP
sfc: Fix loopback self-test with separate_tx_channels=1
sfc: Fix MCDI structure field lookup
sfc: Add parentheses around use of bitfield macro arguments
sfc: Fix null function pointer in efx_sriov_channel_type
vxlan: virtual extensible lan
igmp: export symbol ip_mc_leave_group
netlink: add attributes to fdb interface
tg3: unconditionally select HWMON support when tg3 is enabled.
Revert "net: ti cpsw ethernet: allow reading phy interface mode from DT"
gre: fix sparse warning
...
|
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|
Linus Torvalds
|
8f446a7a06 |
ARM: soc: driver specific changes
- A long-coming conversion of various platforms to a common LED infrastructure - AT91 is moved over to use the newer MCI driver for MMC - Pincontrol conversions for samsung platforms - DT bindings for gscaler on samsung - i2c driver fixes for tegra, acked by i2c maintainer -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQaO48AAoJEIwa5zzehBx3excP/ieEkRhvfnWxdYST6ekvGIQr nEyskOh2rVjgYKmSXUJyKSbvG+7bZ8VIxvPvojeAJ/R84pTFMzbR2F0CaPKzAuSW inDt6c0Bnx1NZlfUTAoXcz7feyq9zHYNs9BCLoPU0bYNchCCqcWSKzqnpXk2ph/P LFnmNa0j6a4E3QJYAjM2zFvc3Tgk+MWTq1fWwNFvsWTh2WbQtmB/iGnzT5Xs4XQh u1SSx5tz0lcF5zQRGmJhXgL5+nnIP4sRwRUBAkpe3Gv5cM6WBVEBRDANa5QpbUL2 RXK5YyCTIln2Me4bPk32zEBLjiZ/WXbmiA2uwoqVgy6XToubemDXd0PtKmjj5tZ1 BkTD1DND7BKBEQnJj/GBECEdvx2FbrKfruoPcJHvXPZ7Svn5Dt/MWYJQIkRFkuhL zlVNoDGWlU8nScGrgmTM56UvWmGWC3UFsWSgdVQNfW9yEva+G1FvRUwUH02Ip5Ad 4r28JFIn6zyjtM99ZHipU6C6Rze2ordC7fl5X5LBLkVOobioblxCAhIhcqkhfKsk rFriNsdfYs7SrJA7mK7GzvaMEJgp/5o1noJKXI7ZBcLI8yYagzbQbPu/vGi6G6d3 0xC7NaTEJbtoXoDAtmtilLRxmw0YCXgVBBGua0K2YKpcRwnzCHNbV4gsLMnDuOXS HP4M96LxLHJlLGCxhEme =ck7M -----END PGP SIGNATURE----- Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM soc driver specific changes from Olof Johansson: - A long-coming conversion of various platforms to a common LED infrastructure - AT91 is moved over to use the newer MCI driver for MMC - Pincontrol conversions for samsung platforms - DT bindings for gscaler on samsung - i2c driver fixes for tegra, acked by i2c maintainer Fix up conflicts as per Olof. * tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits) drivers: bus: omap_l3: use resources instead of hardcoded irqs pinctrl: exynos: Fix wakeup IRQ domain registration check pinctrl: samsung: Uninline samsung_pinctrl_get_soc_data pinctrl: exynos: Correct the detection of wakeup-eint node pinctrl: exynos: Mark exynos_irq_demux_eint as inline pinctrl: exynos: Handle only unmasked wakeup interrupts pinctrl: exynos: Fix typos in gpio/wkup _irq_mask pinctrl: exynos: Set pin function to EINT in irq_set_type of GPIO EINTa drivers: bus: Move the OMAP interconnect driver to drivers/bus/ i2c: tegra: dynamically control fast clk i2c: tegra: I2_M_NOSTART functionality not supported in Tegra20 ARM: tegra: clock: remove unused clock entry for i2c ARM: tegra: clock: add connection name in i2c clock entry i2c: tegra: pass proper name for getting clock ARM: tegra: clock: add i2c fast clock entry in clock table ARM: EXYNOS: Adds G-Scaler device from Device Tree ARM: EXYNOS: Add clock support for G-Scaler ARM: EXYNOS: Enable pinctrl driver support for EXYNOS4 device tree enabled platform ARM: dts: Add pinctrl node entries for SAMSUNG EXYNOS4210 SoC ARM: EXYNOS: skip wakeup interrupt setup if pinctrl driver is used ... |
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Simon Arlott
|
89214f009c |
ARM: bcm2835: add interrupt controller driver
The BCM2835 contains a custom interrupt controller, which supports 72 interrupt sources using a 2-level register scheme. The interrupt controller, or the HW block containing it, is referred to occasionally as "armctrl" in the SoC documentation, hence the symbol naming in the code. This patch was extracted from git://github.com/lp0/linux.git branch rpi-split as of 2012/09/08, and modified as follows: * s/bcm2708/bcm2835/. * Modified device tree vendor prefix. * Moved implementation to drivers/irchip/. * Added devicetree documentation, and hence removed list of IRQs from bcm2835.dtsi. * Changed shift in MAKE_HWIRQ() and HWIRQ_BANK() from 8 to 5 to reduce the size of the hwirq space, and pass the total size of the hwirq space to irq_domain_add_linear(), rather than just the number of valid hwirqs; the two are different due to the hwirq space being sparse. * Added the interrupt controller DT node to the top-level of the DT, rather than nesting it inside a /axi node. Hence, changed the reg value since /axi had a ranges property. This seems simpler to me, but I'm not sure if everyone will like this change or not. * Don't set struct irq_domain_ops.map = irq_domain_simple_map, hence removing the need to patch include/linux/irqdomain.h or kernel/irq/irqdomain.c. * Simplified armctrl_of_init() using of_iomap(). * Removed unused IS_VALID_BANK()/IS_VALID_IRQ() macros. * Renamed armctrl_handle_irq() to prevent possible symbol clashes. * Made armctrl_of_init() static. * Removed comment "Each bank is registered as a separate interrupt controller" since this is no longer true. * Removed FSF address from license header. * Added my name to copyright header. Signed-off-by: Chris Boot <bootc@bootc.net> Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Dom Cobley <popcornmix@gmail.com> Signed-off-by: Dom Cobley <dc4@broadcom.com> Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Arnd Bergmann <arnd@arndb.de> |
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alex.bluesman.smirnov@gmail.com
|
0739d643b8 |
drivers/ieee802154: move ieee802154 drivers to net folder
The IEEE 802.15.4 standard represents a networking protocol. I don't exactly know why drivers for this protocol are stored into the root 'driver' folder, but better will be to store them with other networking stuff. Currently there are only 3 drivers available for IEEE 802.15.4 stack, so lets do it now with the smallest overhead. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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|
Kishon Vijay Abraham I
|
26a84b3eae |
drivers: bus: add a new driver for omap-ocp2scp
Adds a new driver *omap-ocp2scp*. This driver takes the responsibility of creating all the devices that is connected to OCP2SCP. In the case of OMAP4, USB2PHY is connected to ocp2scp. This also includes device tree support for ocp2scp driver and the documentation with device tree binding information is updated. Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Alex Williamson
|
cba3345cc4 |
vfio: VFIO core
VFIO is a secure user level driver for use with both virtual machines and user level drivers. VFIO makes use of IOMMU groups to ensure the isolation of devices in use, allowing unprivileged user access. It's intended that VFIO will replace KVM device assignment and UIO drivers (in cases where the target platform includes a sufficiently capable IOMMU). New in this version of VFIO is support for IOMMU groups managed through the IOMMU core as well as a rework of the API, removing the group merge interface. We now go back to a model more similar to original VFIO with UIOMMU support where the file descriptor obtained from /dev/vfio/vfio allows access to the IOMMU, but only after a group is added, avoiding the previous privilege issues with this type of model. IOMMU support is also now fully modular as IOMMUs have vastly different interface requirements on different platforms. VFIO users are able to query and initialize the IOMMU model of their choice. Please see the follow-on Documentation commit for further description and usage example. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
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Sascha Hauer
|
0c2498f166 |
pwm: Add PWM framework support
This patch adds framework support for PWM (pulse width modulation) devices. The is a barebone PWM API already in the kernel under include/linux/pwm.h, but it does not allow for multiple drivers as each of them implements the pwm_*() functions. There are other PWM framework patches around from Bill Gatliff. Unlike his framework this one does not change the existing API for PWMs so that this framework can act as a drop in replacement for the existing API. Why another framework? Several people argue that there should not be another framework for PWMs but they should be integrated into one of the existing frameworks like led or hwmon. Unlike these frameworks the PWM framework is agnostic to the purpose of the PWM. In fact, a PWM can drive a LED, but this makes the LED framework a user of a PWM, like already done in leds-pwm.c. The gpio framework also is not suitable for PWMs. Every gpio could be turned into a PWM using timer based toggling, but on the other hand not every PWM hardware device can be turned into a gpio due to the lack of hardware capabilities. This patch does not try to improve the PWM API yet, this could be done in subsequent patches. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Matthias Kaehlcke <matthias@kaehlcke.net> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> [thierry.reding@avionic-design.de: fixup typos, kerneldoc comments] Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> |
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|
Linus Torvalds
|
ce53044c68 |
arm-soc: driver specific updates
These changes are specific to some driver that may be used by multiple boards or socs. The most significant change in here is the move of the samsung iommu code from a platform specific in-kernel interface to the generic iommu subsystem. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJPuevXAAoJEIwa5zzehBx3D8YQAKfoY3TFjJ9KmJgk69/pc7cf Of0rvX+35NezGFljIyRdspz+DsV+vhJravwdVxOagRKvVBOb9qnZIXnl3gkLnTw4 dCVMFMqCwXhBeXlXCzHSeRmt2+4/fmJnr7jr4xh9omOAJ9BZv5ftmKNW4zP5wr1L +9HBwzkxlVisR4NCz2q66YBjsV2dXA3dv2hZxEFkUdQFYJGqZoUXLYHF9yno20i3 knKNXEyAFYFUKHiFVBQJ1tYGmZlaIjw14g+GTqzZay2Pi/HjUXfrPd0VwNkBzZf/ H1N3/cf4GJ2+K/zYqh+H/Xjf/Fjkp1dFNhlUQ7+l5Jwbu7C1B2euvwTO4OaqrfdD 7eqG3+uIKhPO2Z8ZySLFgx4ghybtwgZrAwOjsa+ymTugqPbiWYB/zZR1iWu5DMk/ TnNb6P3ciP+WMpoMFh1kXRc/eCCCHtuQ0rLRxizSX6HIpxWvjYFNLH7L3wS+KtlB 7vsS764d1JFW318bsdBi+V/LWRVXeSWWetTzdzDcM/Syz3ZqfPy7e3Ge6qx0lvYe 5ojgzKwVqpJenZdt91UC16cMXNqDTzmZObz6LOCmVm1mB5kYSgEHYxAQQvuGFjXT 28kGyBQNsBboJGaYh2O/CTsVXnHnaPXrtDDWMDacWNwwPYnnA2L8lUNfAg1DgA1j Z6CO8Knfct01EpQLtybK =hgkg -----END PGP SIGNATURE----- Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull arm-soc driver specific updates from Olof Johansson: "These changes are specific to some driver that may be used by multiple boards or socs. The most significant change in here is the move of the samsung iommu code from a platform specific in-kernel interface to the generic iommu subsystem." Fix up trivial conflicts in arch/arm/mach-exynos/Kconfig * tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits) mmc: dt: Consolidate DT bindings iommu/exynos: Add iommu driver for EXYNOS Platforms ARM: davinci: optimize the DMA ISR ARM: davinci: implement DEBUG_LL port choice ARM: tegra: Add SMMU enabler in AHB ARM: tegra: Add Tegra AHB driver Input: pxa27x_keypad add choice to set direct_key_mask Input: pxa27x_keypad direct key may be low active Input: pxa27x_keypad bug fix for direct_key_mask Input: pxa27x_keypad keep clock on as wakeup source ARM: dt: tegra: pinmux changes for USB ULPI ARM: tegra: add USB ULPI PHY reset GPIO to device tree ARM: tegra: don't hard-code USB ULPI PHY reset_gpio ARM: tegra: change pll_p_out4's rate to 24MHz ARM: tegra: fix pclk rate ARM: tegra: reparent sclk to pll_c_out1 ARM: tegra: Add pllc clock init table ARM: dt: tegra cardhu: basic audio support ARM: dt: tegra30.dtsi: Add audio-related nodes ARM: tegra: add AUXDATA required for audio ... |
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Linus Torvalds
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d5b4bb4d10 |
Merge branch 'delete-mca' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull the MCA deletion branch from Paul Gortmaker:
"It was good that we could support MCA machines back in the day, but
realistically, nobody is using them anymore. They were mostly limited
to 386-sx 16MHz CPU and some 486 class machines and never more than
64MB of RAM. Even the enthusiast hobbyist community seems to have
dried up close to ten years ago, based on what you can find searching
various websites dedicated to the relatively short lived hardware.
So lets remove the support relating to CONFIG_MCA. There is no point
carrying this forward, wasting cycles doing routine maintenance on it;
wasting allyesconfig build time on validating it, wasting I/O on git
grep'ping over it, and so on."
Let's see if anybody screams. It generally has compiled, and James
Bottomley pointed out that there was a MCA extension from NCR that
allowed for up to 4GB of memory and PPro-class machines. So in *theory*
there may be users out there.
But even James (technically listed as a maintainer) doesn't actually
have a system, and while Alan Cox claims to have a machine in his cellar
that he offered to anybody who wants to take it off his hands, he didn't
argue for keeping MCA support either.
So we could bring it back. But somebody had better speak up and talk
about how they have actually been using said MCA hardware with modern
kernels for us to do that. And David already took the patch to delete
all the networking driver code (commit
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Linus Torvalds
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fb09bafda6 |
Staging tree pull request for 3.5-rc1
Here is the big staging tree pull request for the 3.5-rc1 merge window. Loads of changes here, and we just narrowly added more lines than we added: 622 files changed, 28356 insertions(+), 26059 deletions(-) But, good news is that there is a number of subsystems that moved out of the staging tree, to their respective "real" portions of the kernel. Code that moved out was: - iio core code - mei driver - vme core and bridge drivers There was one broken network driver that moved into staging as a step before it is removed from the tree (pc300), and there was a few new drivers added to the tree: - new iio drivers - gdm72xx wimax USB driver - ipack subsystem and 2 drivers All of the movements around have acks from the various subsystem maintainers, and all of this has been in the linux-next tree for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iEYEABECAAYFAk+7q8MACgkQMUfUDdst+ymjogCguo8fANFVlPWeZGeoBTL+aQfQ yTkAoLE0codmh+2SvhulYgyU1Wh6ZDK2 =nJ2F -----END PGP SIGNATURE----- Merge tag 'staging-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging tree changes from Greg Kroah-Hartman: "Here is the big staging tree pull request for the 3.5-rc1 merge window. Loads of changes here, and we just narrowly added more lines than we added: 622 files changed, 28356 insertions(+), 26059 deletions(-) But, good news is that there is a number of subsystems that moved out of the staging tree, to their respective "real" portions of the kernel. Code that moved out was: - iio core code - mei driver - vme core and bridge drivers There was one broken network driver that moved into staging as a step before it is removed from the tree (pc300), and there was a few new drivers added to the tree: - new iio drivers - gdm72xx wimax USB driver - ipack subsystem and 2 drivers All of the movements around have acks from the various subsystem maintainers, and all of this has been in the linux-next tree for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" Fixed up various trivial conflicts, along with a non-trivial one found in -next and pointed out by Olof Johanssen: a clean - but incorrect - merge of the arch/arm/boot/dts/at91sam9g20.dtsi file. Fix up manually as per Stephen Rothwell. * tag 'staging-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (536 commits) Staging: bcm: Remove two unused variables from Adapter.h Staging: bcm: Removes the volatile type definition from Adapter.h Staging: bcm: Rename all "INT" to "int" in Adapter.h Staging: bcm: Fix warning: __packed vs. __attribute__((packed)) in Adapter.h Staging: bcm: Correctly format all comments in Adapter.h Staging: bcm: Fix all whitespace issues in Adapter.h Staging: bcm: Properly format braces in Adapter.h Staging: ipack/bridges/tpci200: remove unneeded casts Staging: ipack/bridges/tpci200: remove TPCI200_SHORTNAME constant Staging: ipack: remove board_name and bus_name fields from struct ipack_device Staging: ipack: improve the register of a bus and a device in the bus. staging: comedi: cleanup all the comedi_driver 'detach' functions staging: comedi: remove all 'default N' in Kconfig staging: line6/config.h: Delete unused header staging: gdm72xx depends on NET staging: gdm72xx: Set up parent link in sysfs for gdm72xx devices staging: drm/omap: initial dmabuf/prime import support staging: drm/omap: dmabuf/prime mmap support pstore/ram: Add ECC support pstore/ram: Switch to persistent_ram routines ... |
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Paul Gortmaker
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bb8187d35f |
MCA: delete all remaining traces of microchannel bus support.
Hardware with MCA bus is limited to 386 and 486 class machines that are now 20+ years old and typically with less than 32MB of memory. A quick search on the internet, and you see that even the MCA hobbyist/enthusiast community has lost interest in the early 2000 era and never really even moved ahead from the 2.4 kernels to the 2.6 series. This deletes anything remaining related to CONFIG_MCA from core kernel code and from the x86 architecture. There is no point in carrying this any further into the future. One complication to watch for is inadvertently scooping up stuff relating to machine check, since there is overlap in the TLA name space (e.g. arch/x86/boot/mca.c). Cc: Thomas Gleixner <tglx@linutronix.de> Cc: James Bottomley <JBottomley@Parallels.com> Cc: x86@kernel.org Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> |
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Hiroshi DOYU
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87d0bab2cb |
ARM: tegra: Add Tegra AHB driver
Tegra AHB Bus conforms to the AMBA Specification (Rev 2.0) Advanced High-performance Bus (AHB) architecture. The AHB Arbiter controls AHB bus master arbitration. This effectively forms a second level of arbitration for access to the memory controller through the AHB Slave Memory device. The AHB pre-fetch logic can be configured to enhance performance for devices doing sequential access. Each AHB master is assigned to either the high or low priority bin. Both Tegra20/30 have this AHB bus. Some of configuration params could be passed from DT too if needed. Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Felipe Balbi <balbi@ti.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> |
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Aneesh V
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7ec944538d |
memory: emif: add basic infrastructure for EMIF driver
EMIF is an SDRAM controller used in various Texas Instruments SoCs. EMIF supports, based on its revision, one or more of LPDDR2/DDR2/DDR3 protocols. Add the basic infrastructure for EMIF driver that includes driver registration, probe, parsing of platform data etc. Signed-off-by: Aneesh V <aneesh@ti.com> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Benoit Cousson <b-cousson@ti.com> [santosh.shilimkar@ti.com: Moved to drivers/memory from drivers/misc] Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Greg Kroah-Hartman
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db3b9e990e |
Staging: VME: move VME drivers out of staging
This moves the VME core, VME board drivers, and VME bridge drivers out of the drivers/staging/vme/ area to drivers/vme/. The VME device drivers have not moved out yet due to some API questions they are still working through, that should happen soon, hopefully. Cc: Martyn Welch <martyn.welch@ge.com> Cc: Manohar Vanga <manohar.vanga@cern.ch> Cc: Vincent Bossier <vincent.bossier@gmail.com> Cc: "Emilio G. Cota" <cota@braap.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Jonathan Cameron
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a980e04609 |
IIO: Move the core files to drivers/iio
Take the core support + the kfifo buffer implentation out of staging. Whilst we are far from done in improving this subsystem it is now at a stage where the userspae interfaces (provided by the core) can be considered stable. Drivers will follow over a longer time scale. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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MyungJoo Ham
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de55d8716a |
Extcon (external connector): import Android's switch class and modify.
External connector class (extcon) is based on and an extension of Android kernel's switch class located at linux/drivers/switch/. This patch provides the before-extension switch class moved to the location where the extcon will be located (linux/drivers/extcon/) and updates to handle class properly. The before-extension class, switch class of Android kernel, commits imported are: switch: switch class and GPIO drivers. (splitted) Author: Mike Lockwood <lockwood@android.com> switch: Use device_create instead of device_create_drvdata. Author: Arve Hjønnevåg <arve@android.com> In this patch, upon the commits of Android kernel, we have added: - Relocated and renamed for extcon. - Comments, module name, and author information are updated - Code clean for successing patches - Bugfix: enabling write access without write functions - Class/device/sysfs create/remove handling - Added comments about uevents - Format changes for extcon_dev_register() to have a parent dev. Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> -- Changes from v7 - Compiler error fixed when it is compiled as a module. - Removed out-of-date Kconfig entry Changes from v6 - Updated comment/strings - Revised "Android-compatible" mode. * Automatically activated if CONFIG_ANDROID && !CONFIG_ANDROID_SWITCH * Creates /sys/class/switch/*, which is a copy of /sys/class/extcon/* Changes from v5 - Split the patch - Style fixes - "Android-compatible" mode is enabled by Kconfig option. Changes from v2 - Updated name_show - Sysfs entries are handled by class itself. - Updated the method to add/remove devices for the class - Comments on uevent send - Able to become a module - Compatible with Android platform Changes from RFC - Renamed to extcon (external connector) from multistate switch - Added a seperated directory (drivers/extcon) - Added kerneldoc comments - Removed unused variables from extcon_gpio.c - Added ABI Documentation. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linus Torvalds
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b1a808ff43 |
Merge branch 'for-next' of git://gitorious.org/kernel-hsi/kernel-hsi
Pull HSI (High Speed Synchronous Serial Interface) framework from Carlos Chinea: "The High Speed Synchronous Serial Interface (HSI) is a serial interface mainly used for connecting application engines (APE) with cellular modem engines (CMT) in cellular handsets. The framework is currently being used for some people and we would like to see it integrated into the kernel for 3.3. There is no HW controller drivers in this pull, but some people have already some of them pending which they would like to push as soon as this integrated. I am also working on the acceptance for an TI OMAP one, based on a compatible legacy version of the interface called SSI." Ok, so it didn't get into 3.3, but here it is pulled into 3.4. Several people piped up to say "yeah, we want this". * 'for-next' of git://gitorious.org/kernel-hsi/kernel-hsi: HSI: hsi_char: Update ioctl-number.txt HSI: Add HSI API documentation HSI: hsi_char: Add HSI char device kernel configuration HSI: hsi_char: Add HSI char device driver HSI: hsi: Introducing HSI framework |
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Linus Torvalds
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46b407ca4a |
remoteproc/rpmsg: new subsystem
This new subsystem provides a common way to talk to secondary processors on an SoC, e.g. a DSP, GPU or service processor, using virtio as the transport. In the long run, it should replace a few dozen vendor specific ways to do the same thing, which all never made it into the upstream kernel. There is a broad agreement that rpmsg is the way to go here and several vendors have started working on replacing their own subsystems. Two branches each add one virtio protocol number. Fortunately the numbers were agreed upon in advance, so there are only context changes. Signed-off-by: Arnd Bergmann <arnd@arndb.de> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUAT24/OmCrR//JCVInAQJmfQ/+NklCaFIHX5Mbi1ZdeekT1p8l7OVXs1zU ygJA86Vlbz3dL7t08HcAqS+C3tGE4iTGp9IJrBQBjZdCuPJujyB+xAYFNU39TZzH osdiSSQZapkIzMcviCqQPO70bzUPWtskXmVNmrKiHOM7HLHMWRWUqtfj2wNqqeIa l+mCC3q9ZV4JJ9puzW9UMRZKsSUYNJ9q/MfAbBHXJawhKtZWpT5Luwa8s2KTFfz3 XY6iW+FfY6d6+jU3p9AGxZqT02V9H/mOqP9dyM6wK6BfHrISFYIkN+KAzhMkxY+Z p7folq/WipN9XoizWql7QKAa4wKMyhRNmScfCfSdKhSOzWzWMiu9ySLUqx/KEJq7 OknCtnHNhAp/hcR39f2Nv6mLNxA01WeUvaPTzzjTotpwCEcbcZpsGT/OBN/vZyZ5 ZAqZlEg/D65ZIU2dESx2U2XMiGTBc7AAgfLj0PjmhsMH3bVlG3IHcnGH6wqwGpvH zglaCy67/htEW6jMFjhqginXssPtcaFGz56g+/WkEyvYCJTwdMAiXc05uZS/EeZT uF8Vpg3cEFDJUtGrcA9FSKZ/2f6pLKvHY7yYRGwhR7pajQl7I0WDwgCQmy4pE6Ao l9MNeoPKQyFmuVhZbQP4QLRRGDD6Hm+qbPRqaRJI2DuM2g8v6Yk3ydd8EOgHm+O3 n1W0zBfQ2l4= =SC55 -----END PGP SIGNATURE----- Merge tag 'rpmsg' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull "remoteproc/rpmsg: new subsystem" from Arnd Bergmann: "This new subsystem provides a common way to talk to secondary processors on an SoC, e.g. a DSP, GPU or service processor, using virtio as the transport. In the long run, it should replace a few dozen vendor specific ways to do the same thing, which all never made it into the upstream kernel. There is a broad agreement that rpmsg is the way to go here and several vendors have started working on replacing their own subsystems. Two branches each add one virtio protocol number. Fortunately the numbers were agreed upon in advance, so there are only context changes. Signed-off-by: Arnd Bergmann <arnd@arndb.de>" Fixed up trivial protocol number conflict due to the mentioned additions next to each other. * tag 'rpmsg' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (32 commits) remoteproc: cleanup resource table parsing paths remoteproc: remove the hardcoded vring alignment remoteproc/omap: remove the mbox_callback limitation remoteproc: remove the single rpmsg vdev limitation remoteproc: safer boot/shutdown order remoteproc: remoteproc_rpmsg -> remoteproc_virtio remoteproc: resource table overhaul rpmsg: fix build warning when dma_addr_t is 64-bit rpmsg: fix published buffer length in rpmsg_recv_done rpmsg: validate incoming message length before propagating rpmsg: fix name service endpoint leak remoteproc/omap: two Kconfig fixes remoteproc: make sure we're parsing a 32bit firmware remoteproc: s/big switch/lookup table/ remoteproc: bail out if firmware has different endianess remoteproc: don't use virtio's weak barriers rpmsg: rename virtqueue_add_buf_gfp to virtqueue_add_buf rpmsg: depend on EXPERIMENTAL remoteproc: depend on EXPERIMENTAL rpmsg: add Kconfig menu ... Conflicts: include/linux/virtio_ids.h |
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Tomas Winkler
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d8e4cd99d5 |
staging: fix the build breakage cuased by telephony drivers
Fix build error caused by commit:
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Ohad Ben-Cohen
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bcabbccabf |
rpmsg: add virtio-based remote processor messaging bus
Add a virtio-based inter-processor communication bus, which enables kernel drivers to communicate with entities, running on remote processors, over shared memory using a simple messaging protocol. Every pair of AMP processors share two vrings, which are used to send and receive the messages over shared memory. The header of every message sent on the rpmsg bus contains src and dst addresses, which make it possible to multiplex several rpmsg channels on the same vring. Every rpmsg channel is a device on this bus. When a channel is added, and an appropriate rpmsg driver is found and probed, it is also assigned a local rpmsg address, which is then bound to the driver's callback. When inbound messages carry the local address of a bound driver, its callback is invoked by the bus. This patch provides a kernel interface only; user space interfaces will be later exposed by kernel users of this rpmsg bus. Designed with Brian Swetland <swetland@google.com>. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> (virtio_ids.h) Cc: Brian Swetland <swetland@google.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Tony Lindgren <tony@atomide.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Greg KH <greg@kroah.com> Cc: Stephen Boyd <sboyd@codeaurora.org> |
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Ohad Ben-Cohen
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400e64df6b |
remoteproc: add framework for controlling remote processors
Modern SoCs typically employ a central symmetric multiprocessing (SMP) application processor running Linux, with several other asymmetric multiprocessing (AMP) heterogeneous processors running different instances of operating system, whether Linux or any other flavor of real-time OS. Booting a remote processor in an AMP configuration typically involves: - Loading a firmware which contains the OS image - Allocating and providing it required system resources (e.g. memory) - Programming an IOMMU (when relevant) - Powering on the device This patch introduces a generic framework that allows drivers to do that. In the future, this framework will also include runtime power management and error recovery. Based on (but now quite far from) work done by Fernando Guzman Lugo <fernando.lugo@ti.com>. ELF loader was written by Mark Grosen <mgrosen@ti.com>, based on msm's Peripheral Image Loader (PIL) by Stephen Boyd <sboyd@codeaurora.org>. Designed with Brian Swetland <swetland@google.com>. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Cc: Brian Swetland <swetland@google.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Tony Lindgren <tony@atomide.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Greg KH <greg@kroah.com> Cc: Stephen Boyd <sboyd@codeaurora.org> |
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Adrian Hunter
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52c506f0bc |
mmc: sdhci-pci: add platform data
Add a means of getting platform data for the SDHCI PCI devices. The data is stored against the slot not the device in order to support multi-slot devices. The data allows platform-specific setup (such as getting GPIO numbers from firmware or setting up wl12xx for SDIO) to be done in platform support files instead of the sdhci-pci driver. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org> |
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Carlos Chinea
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a056ab8c7a |
HSI: hsi: Introducing HSI framework
Adds HSI framework in to the linux kernel. High Speed Synchronous Serial Interface (HSI) is a serial interface mainly used for connecting application engines (APE) with cellular modem engines (CMT) in cellular handsets. HSI provides multiplexing for up to 16 logical channels, low-latency and full duplex communication. Signed-off-by: Carlos Chinea <carlos.chinea@nokia.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> |
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Linus Torvalds
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aa77677e0a |
Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
* 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1519 commits)
staging: et131x: Remove redundant check and return statement
staging: et131x: Mainly whitespace changes to appease checkpatch
staging: et131x: Remove last of the forward declarations
staging: et131x: Remove even more forward declarations
staging: et131x: Remove yet more forward declarations
staging: et131x: Remove more forward declarations
staging: et131x: Remove forward declaration of et131x_adapter_setup
staging: et131x: Remove some forward declarations
staging: et131x: Remove unused rx_ring.recv_packet_pool
staging: et131x: Remove call to find pci pm capability
staging: et131x: Remove redundant et131x_reset_recv() call
staging: et131x: Remove unused rx_ring.recv_buffer_pool
Staging: bcm: Fix three initialization errors in InterfaceDld.c
Staging: bcm: Fix coding style issues in InterfaceDld.c
staging:iio:dac: Add AD5360 driver
staging:iio:trigger:bfin-timer: Fix compile error
Staging: vt6655: add some range checks before memcpy()
Staging: vt6655: whitespace fixes to iotcl.c
Staging: vt6656: add some range checks before memcpy()
Staging: vt6656: whitespace cleanups in ioctl.c
...
Fix up conflicts in:
- drivers/{Kconfig,Makefile}, drivers/staging/{Kconfig,Makefile}:
vg driver movement
- drivers/staging/brcm80211/brcmfmac/{dhd_linux.c,mac80211_if.c}:
driver removal vs now stale changes
- drivers/staging/rtl8192e/r8192E_core.c:
driver removal vs now stale changes
- drivers/staging/et131x/et131*:
driver consolidation into one file, tried to do fixups
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Linus Torvalds
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7e0bb71e75 |
Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (63 commits) PM / Clocks: Remove redundant NULL checks before kfree() PM / Documentation: Update docs about suspend and CPU hotplug ACPI / PM: Add Sony VGN-FW21E to nonvs blacklist. ARM: mach-shmobile: sh7372 A4R support (v4) ARM: mach-shmobile: sh7372 A3SP support (v4) PM / Sleep: Mark devices involved in wakeup signaling during suspend PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image PM / Hibernate: Do not initialize static and extern variables to 0 PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too PM / Hibernate: Add resumedelay kernel param in addition to resumewait MAINTAINERS: Update linux-pm list address PM / ACPI: Blacklist Vaio VGN-FW520F machine known to require acpi_sleep=nonvs PM / ACPI: Blacklist Sony Vaio known to require acpi_sleep=nonvs PM / Hibernate: Add resumewait param to support MMC-like devices as resume file PM / Hibernate: Fix typo in a kerneldoc comment PM / Hibernate: Freeze kernel threads after preallocating memory PM: Update the policy on default wakeup settings PM / VT: Cleanup #if defined uglyness and fix compile error PM / Suspend: Off by one in pm_suspend() PM / Hibernate: Include storage keys in hibernation image on s390 ... |
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Linus Walleij
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2744e8afb3 |
drivers: create a pin control subsystem
This creates a subsystem for handling of pin control devices.
These are devices that control different aspects of package
pins.
Currently it handles pinmuxing, i.e. assigning electronic
functions to groups of pins on primarily PGA and BGA type of
chip packages which are common in embedded systems.
The plan is to also handle other I/O pin control aspects
such as biasing, driving, input properties such as
schmitt-triggering, load capacitance etc within this
subsystem, to remove a lot of ARM arch code as well as
feature-creepy GPIO drivers which are implementing the same
thing over and over again.
This is being done to depopulate the arch/arm/* directory
of such custom drivers and try to abstract the infrastructure
they all need. See the Documentation/pinctrl.txt file that is
part of this patch for more details.
ChangeLog v1->v2:
- Various minor fixes from Joe's and Stephens review comments
- Added a pinmux_config() that can invoke custom configuration
with arbitrary data passed in or out to/from the pinmux driver
ChangeLog v2->v3:
- Renamed subsystem folder to "pinctrl" since we will likely
want to keep other pin control such as biasing in this
subsystem too, so let us keep to something generic even though
we're mainly doing pinmux now.
- As a consequence, register pins as an abstract entity separate
from the pinmux. The muxing functions will claim pins out of the
pin pool and make sure they do not collide. Pins can now be
named by the pinctrl core.
- Converted the pin lookup from a static array into a radix tree,
I agreed with Grant Likely to try to avoid any static allocation
(which is crap for device tree stuff) so I just rewrote this
to be dynamic, just like irq number descriptors. The
platform-wide definition of number of pins goes away - this is
now just the sum total of the pins registered to the subsystem.
- Make sure mappings with only a function name and no device
works properly.
ChangeLog v3->v4:
- Define a number space per controller instead of globally,
Stephen and Grant requested the same thing so now maps need to
define target controller, and the radix tree of pin descriptors
is a property on each pin controller device.
- Add a compulsory pinctrl device entry to the pinctrl mapping
table. This must match the pinctrl device, like "pinctrl.0"
- Split the file core.c in two: core.c and pinmux.c where the
latter carry all pinmux stuff, the core is for generic pin
control, and use local headers to access functionality between
files. It is now possible to implement a "blank" pin controller
without pinmux capabilities. This split will make new additions
like pindrive.c, pinbias.c etc possible for combined drivers
and chunks of functionality which is a GoodThing(TM).
- Rewrite the interaction with the GPIO subsystem - the pin
controller descriptor now handles this by defining an offset
into the GPIO numberspace for its handled pin range. This is
used to look up the apropriate pin controller for a GPIO pin.
Then that specific GPIO range is matched 1-1 for the target
controller instance.
- Fixed a number of review comments from Joe Perches.
- Broke out a header file pinctrl.h for the core pin handling
stuff that will be reused by other stuff than pinmux.
- Fixed some erroneous EXPORT() stuff.
- Remove mispatched U300 Kconfig and Makefile entries
- Fixed a number of review comments from Stephen Warren, not all
of them - still WIP. But I think the new mapping that will
specify which function goes to which pin mux controller address
50% of your concerns (else beat me up).
ChangeLog v4->v5:
- Defined a "position" for each function, so the pin controller now
tracks a function in a certain position, and the pinmux maps define
what position you want the function in. (Feedback from Stephen
Warren and Sascha Hauer).
- Since we now need to request a combined function+position from
the machine mapping table that connect mux settings to drivers,
it was extended with a position field and a name field. The
name field is now used if you e.g. need to switch between two
mux map settings at runtime.
- Switched from a class device to using struct bus_type for this
subsystem. Verified sysfs functionality: seems to work fine.
(Feedback from Arnd Bergmann and Greg Kroah-Hartman)
- Define a per pincontroller list of GPIO ranges from the GPIO
pin space that can be handled by the pin controller. These can
be added one by one at runtime. (Feedback from Barry Song)
- Expanded documentation of regulator_[get|enable|disable|put]
semantics.
- Fixed a number of review comments from Barry Song. (Thanks!)
ChangeLog v5->v6:
- Create an abstract pin group concept that can sort pins into
named and enumerated groups no matter what the use of these
groups may be, one possible usecase is a group of pins being
muxed in or so. The intention is however to also use these
groups for other pin control activities.
- Make it compulsory for pinmux functions to associate with
at least one group, so the abstract pin group concept is used
to define the groups of pins affected by a pinmux function.
The pinmux driver interface has been altered so as to enforce
a function to list applicable groups per function.
- Provide an optional .group entry in the pinmux machine map
so the map can select beteween different available groups
to be used with a certain function.
- Consequent changes all over the place so that e.g. debugfs
present reasonable information about the world.
- Drop the per-pin mux (*config) function in the pinmux_ops
struct - I was afraid that this would start to be used for
things totally unrelated to muxing, we can introduce that to
the generic struct pinctrl_ops if needed. I want to keep
muxing orthogonal to other pin control subjects and not mix
these things up.
ChangeLog v6->v7:
- Make it possible to have several map entries matching the
same device, pin controller and function, but using
a different group, and alter the semantics so that
pinmux_get() will pick all matching map entries, and
store the associated groups in a list. The list will
then be iterated over at pinmux_enable()/pinmux_disable()
and corresponding driver functions called for each
defined group. Notice that you're only allowed to map
multiple *groups* to the same
{ device, pin controller, function } triplet, attempts
to map the same device to multiple pin controllers will
for example fail. This is hopefully the crucial feature
requested by Stephen Warren.
- Add a pinmux hogging field to the pinmux mapping entries,
and enable the pinmux core to hog pinmux map entries.
This currently only works for pinmuxes without assigned
devices as it looks now, but with device trees we can
look up the corresponding struct device * entries when
we register the pinmux driver, and have it hog each
pinmux map in turn, for a simple approach to
non-dynamic pin muxing. This addresses an issue from
Grant Likely that the machine should take care of as
much of the pinmux setup as possible, not the devices.
By supplying a list of hogs, it can now instruct the
core to take care of any static mappings.
- Switch pinmux group retrieveal function to grab an
array of strings representing the groups rather than an
array of unsigned and rewrite accordingly.
- Alter debugfs to show the grouplist handled by each
pinmux. Also add a list of hogs.
- Dynamically allocate a struct pinmux at pinmux_get() and
free it at pinmux_put(), then add these to the global
list of pinmuxes active as we go along.
- Go over the list of pinmux maps at pinmux_get() time
and repeatedly apply matches.
- Retrieve applicable groups per function from the driver
as a string array rather than a unsigned array, then
lookup the enumerators.
- Make the device to pinmux map a singleton - only allow the
mapping table to be registered once and even tag the
registration function with __init so it surely won't be
abused.
- Create a separate debugfs file to view the pinmux map at
runtime.
- Introduce a spin lock to the pin descriptor struct, lock it
when modifying pin status entries. Reported by Stijn Devriendt.
- Fix up the documentation after review from Stephen Warren.
- Let the GPIO ranges give names as const char * instead of some
fixed-length string.
- add a function to unregister GPIO ranges to mirror the
registration function.
- Privatized the struct pinctrl_device and removed it from the
<linux/pinctrl/pinctrl.h> API, the drivers do not need to know
the members of this struct. It is now in the local header
"core.h".
- Rename the concept of "anonymous" mux maps to "system" muxes
and add convenience macros and documentation.
ChangeLog v7->v8:
- Delete the leftover pinmux_config() function from the
<linux/pinctrl/pinmux.h> header.
- Fix a race condition found by Stijn Devriendt in pin_request()
ChangeLog v8->v9:
- Drop the bus_type and the sysfs attributes and all, we're not on
the clear about how this should be used for e.g. userspace
interfaces so let us save this for the future.
- Use the right name in MAINTAINERS, PIN CONTROL rather than
PINMUX
- Don't kfree() the device state holder, let the .remove() callback
handle this.
- Fix up numerous kerneldoc headers to have one line for the function
description and more verbose documentation below the parameters
ChangeLog v9->v10:
- pinctrl: EXPORT_SYMBOL needs export.h, folded in a patch
from Steven Rothwell
- fix pinctrl_register error handling, folded in a patch from
Axel Lin
- Various fixes to documentation text so that it's consistent.
- Removed pointless comment from drivers/Kconfig
- Removed dependency on SYSFS since we removed the bus in
v9.
- Renamed hopelessly abbreviated pctldev_* functions to the
more verbose pinctrl_dev_*
- Drop mutex properly when looking up GPIO ranges
- Return NULL instead of ERR_PTR() errors on registration of
pin controllers, using cast pointers is fragile. We can
live without the detailed error codes for sure.
Cc: Stijn Devriendt <highguy@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Greg Kroah-Hartman
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46a9719136 |
Staging: hv: move hyperv code out of staging directory
After many years wandering the desert, it is finally time for the Microsoft HyperV code to move out of the staging directory. Or at least the core hyperv bus code, and the utility driver, the rest still have some review to get through by the various subsystem maintainers. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> |
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MyungJoo Ham
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a3c98b8b2e |
PM: Introduce devfreq: generic DVFS framework with device-specific OPPs
With OPPs, a device may have multiple operable frequency and voltage sets. However, there can be multiple possible operable sets and a system will need to choose one from them. In order to reduce the power consumption (by reducing frequency and voltage) without affecting the performance too much, a Dynamic Voltage and Frequency Scaling (DVFS) scheme may be used. This patch introduces the DVFS capability to non-CPU devices with OPPs. DVFS is a techique whereby the frequency and supplied voltage of a device is adjusted on-the-fly. DVFS usually sets the frequency as low as possible with given conditions (such as QoS assurance) and adjusts voltage according to the chosen frequency in order to reduce power consumption and heat dissipation. The generic DVFS for devices, devfreq, may appear quite similar with /drivers/cpufreq. However, cpufreq does not allow to have multiple devices registered and is not suitable to have multiple heterogenous devices with different (but simple) governors. Normally, DVFS mechanism controls frequency based on the demand for the device, and then, chooses voltage based on the chosen frequency. devfreq also controls the frequency based on the governor's frequency recommendation and let OPP pick up the pair of frequency and voltage based on the recommended frequency. Then, the chosen OPP is passed to device driver's "target" callback. When PM QoS is going to be used with the devfreq device, the device driver should enable OPPs that are appropriate with the current PM QoS requests. In order to do so, the device driver may call opp_enable and opp_disable at the notifier callback of PM QoS so that PM QoS's update_target() call enables the appropriate OPPs. Note that at least one of OPPs should be enabled at any time; be careful when there is a transition. Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Mike Turquette <mturquette@ti.com> Acked-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> |
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Linus Torvalds
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184475029a |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (99 commits) drivers/virt: add missing linux/interrupt.h to fsl_hypervisor.c powerpc/85xx: fix mpic configuration in CAMP mode powerpc: Copy back TIF flags on return from softirq stack powerpc/64: Make server perfmon only built on ppc64 server devices powerpc/pseries: Fix hvc_vio.c build due to recent changes powerpc: Exporting boot_cpuid_phys powerpc: Add CFAR to oops output hvc_console: Add kdb support powerpc/pseries: Fix hvterm_raw_get_chars to accept < 16 chars, fixing xmon powerpc/irq: Quieten irq mapping printks powerpc: Enable lockup and hung task detectors in pseries and ppc64 defeconfigs powerpc: Add mpt2sas driver to pseries and ppc64 defconfig powerpc: Disable IRQs off tracer in ppc64 defconfig powerpc: Sync pseries and ppc64 defconfigs powerpc/pseries/hvconsole: Fix dropped console output hvc_console: Improve tty/console put_chars handling powerpc/kdump: Fix timeout in crash_kexec_wait_realmode powerpc/mm: Fix output of total_ram. powerpc/cpufreq: Add cpufreq driver for Momentum Maple boards powerpc: Correct annotations of pmu registration functions ... Fix up trivial Kconfig/Makefile conflicts in arch/powerpc, drivers, and drivers/cpufreq |
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Linus Torvalds
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6d16d6d9bb |
Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: iommu/core: Fix build with INTR_REMAP=y && CONFIG_DMAR=n iommu/amd: Don't use MSI address range for DMA addresses iommu/amd: Move missing parts to drivers/iommu iommu: Move iommu Kconfig entries to submenu x86/ia64: intel-iommu: move to drivers/iommu/ x86: amd_iommu: move to drivers/iommu/ msm: iommu: move to drivers/iommu/ drivers: iommu: move to a dedicated folder x86/amd-iommu: Store device alias as dev_data pointer x86/amd-iommu: Search for existind dev_data before allocting a new one x86/amd-iommu: Allow dev_data->alias to be NULL x86/amd-iommu: Use only dev_data in low-level domain attach/detach functions x86/amd-iommu: Use only dev_data for dte and iotlb flushing routines x86/amd-iommu: Store ATS state in dev_data x86/amd-iommu: Store devid in dev_data x86/amd-iommu: Introduce global dev_data_list x86/amd-iommu: Remove redundant device_flush_dte() calls iommu-api: Add missing header file Fix up trivial conflicts (independent additions close to each other) in drivers/Makefile and include/linux/pci.h |
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John W. Linville
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204d1641d2 | Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem |