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This adds code to check that when the KVM_CAP_PPC_ENABLE_HCALL
capability is used to enable or disable in-kernel handling of an
hcall, that the hcall is actually implemented by the kernel.
If not an EINVAL error is returned.
This also checks the default-enabled list of hcalls and prints a
warning if any hcall there is not actually implemented.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This provides a way for userspace controls which sPAPR hcalls get
handled in the kernel. Each hcall can be individually enabled or
disabled for in-kernel handling, except for H_RTAS. The exception
for H_RTAS is because userspace can already control whether
individual RTAS functions are handled in-kernel or not via the
KVM_PPC_RTAS_DEFINE_TOKEN ioctl, and because the numeric value for
H_RTAS is out of the normal sequence of hcall numbers.
Hcalls are enabled or disabled using the KVM_ENABLE_CAP ioctl for the
KVM_CAP_PPC_ENABLE_HCALL capability on the file descriptor for the VM.
The args field of the struct kvm_enable_cap specifies the hcall number
in args[0] and the enable/disable flag in args[1]; 0 means disable
in-kernel handling (so that the hcall will always cause an exit to
userspace) and 1 means enable. Enabling or disabling in-kernel
handling of an hcall is effective across the whole VM.
The ability for KVM_ENABLE_CAP to be used on a VM file descriptor
on PowerPC is new, added by this commit. The KVM_CAP_ENABLE_CAP_VM
capability advertises that this ability exists.
When a VM is created, an initial set of hcalls are enabled for
in-kernel handling. The set that is enabled is the set that have
an in-kernel implementation at this point. Any new hcall
implementations from this point onwards should not be added to the
default set without a good reason.
No distinction is made between real-mode and virtual-mode hcall
implementations; the one setting controls them both.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This is a dependency for the rk3288 DT updates, the branch should
first get merged through Mike's clk git.
* 'clk-rockchip' of git://git.linaro.org/people/mike.turquette/linux:
ARM: rockchip: Select ARCH_HAS_RESET_CONTROLLER
clk: rockchip: add clock controller for rk3288
dt-bindings: add documentation for rk3288 cru
clk: rockchip: add clock driver for rk3188 and rk3066 clocks
dt-bindings: add documentation for rk3188 clock and reset unit
clk: rockchip: add reset controller
clk: rockchip: add clock type for pll clocks and pll used on rk3066
clk: rockchip: add basic infrastructure for clock branches
clk: composite: improve rate_hw sanity check logic
clk: composite: allow read-only clocks
clk: composite: support determine_rate using rate_ops->round_rate + mux_ops->set_parent
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This is a dependency for the rk3288 DT updates, the branch should
first get merged through Mike's clk git.
* 'clk-rockchip' of git://git.linaro.org/people/mike.turquette/linux:
ARM: rockchip: Select ARCH_HAS_RESET_CONTROLLER
clk: rockchip: add clock controller for rk3288
dt-bindings: add documentation for rk3288 cru
clk: rockchip: add clock driver for rk3188 and rk3066 clocks
dt-bindings: add documentation for rk3188 clock and reset unit
clk: rockchip: add reset controller
clk: rockchip: add clock type for pll clocks and pll used on rk3066
clk: rockchip: add basic infrastructure for clock branches
clk: composite: improve rate_hw sanity check logic
clk: composite: allow read-only clocks
clk: composite: support determine_rate using rate_ops->round_rate + mux_ops->set_parent
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The huge majority of GPIOs have their direction and initial value set
right after being obtained by one of the gpiod_get() functions. The
integer GPIO API had gpio_request_one() that took a convenience flags
parameter allowing to specify an direction and value applied to the
returned GPIO. This feature greatly simplifies client code and ensures
errors are always handled properly.
A similar feature has been requested for the gpiod API. Since setting
the direction of a GPIO is so often the very next action done after
obtaining its descriptor, we prefer to extend the existing functions
instead of introducing new functions that would raise the
number of gpiod getters to 16 (!).
The drawback of this approach is that all gpiod clients need to be
updated. To limit the pain, temporary macros are introduced that allow
gpiod_get*() to be called with or without the extra flags argument. They
will be removed once all consumer code has been updated.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As per example from the regulator subsystem: put all defines and
functions related to registering board info for GPIO descriptors
into a separate <linux/gpio/machine.h> header.
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patchset add new extcon provider driver and fix minor issue of extcon driver.
Detailed description for patchset:
1. Add new Silicon-Mitus SM5502 MUIC (Micro-USB Interface Controller) device
- extcon-sm5502 driver is capable of identifying the type of the external power
source and attached accessory. And external power sources, such as Dedicated
charger or a standard USB port, are able to charge the battery in the smart
phone via the connector.
2. Fix minor issue of extcon driver
- extcon-arizona driver
- extcon-palmas driver
- Remove unnecessary OOM messages for all extcon device drivers
3. Fix minor issue of extcon core
- Re-order the sequence of extcon device driver in Kconfig/Makefile alphabitically
- Set parent device of extcon device automatically using devm_extcon_dev_allocate()
4. Fix MAX77693 driver
- This patchset has dependency on MFD/Regulator/Extcon. So, Lee Jones
(MFD Maintainer) created Immutable branch between MFD and Extcon due
for v3.17 merge-window and then I merged this patchset from MFD git repo[1]
to Extcon git repo.
[1] git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
(branch: ib-mfd-extcon-regulator)
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Merge tag 'extcon-next-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
Chanwoo writes:
Update extcon for v3.17
This patchset add new extcon provider driver and fix minor issue of extcon driver.
Detailed description for patchset:
1. Add new Silicon-Mitus SM5502 MUIC (Micro-USB Interface Controller) device
- extcon-sm5502 driver is capable of identifying the type of the external power
source and attached accessory. And external power sources, such as Dedicated
charger or a standard USB port, are able to charge the battery in the smart
phone via the connector.
2. Fix minor issue of extcon driver
- extcon-arizona driver
- extcon-palmas driver
- Remove unnecessary OOM messages for all extcon device drivers
3. Fix minor issue of extcon core
- Re-order the sequence of extcon device driver in Kconfig/Makefile alphabitically
- Set parent device of extcon device automatically using devm_extcon_dev_allocate()
4. Fix MAX77693 driver
- This patchset has dependency on MFD/Regulator/Extcon. So, Lee Jones
(MFD Maintainer) created Immutable branch between MFD and Extcon due
for v3.17 merge-window and then I merged this patchset from MFD git repo[1]
to Extcon git repo.
[1] git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
(branch: ib-mfd-extcon-regulator)
This patch makes init_net's high_thresh limit to be the maximum for all
namespaces, thus introducing a global memory limit threshold equal to the
sum of the individual high_thresh limits which are capped.
It also introduces some sane minimums for low_thresh as it shouldn't be
able to drop below 0 (or > high_thresh in the unsigned case), and
overall low_thresh should not ever be above high_thresh, so we make the
following relations for a namespace:
init_net:
high_thresh - max(not capped), min(init_net low_thresh)
low_thresh - max(init_net high_thresh), min (0)
all other namespaces:
high_thresh = max(init_net high_thresh), min(namespace's low_thresh)
low_thresh = max(namespace's high_thresh), min(0)
The major issue with having low_thresh > high_thresh is that we'll
schedule eviction but never evict anything and thus rely only on the
timers.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
merge functionality into the eviction workqueue.
Instead of rebuilding every n seconds, take advantage of the upper
hash chain length limit.
If we hit it, mark table for rebuild and schedule workqueue.
To prevent frequent rebuilds when we're completely overloaded,
don't rebuild more than once every 5 seconds.
ipfrag_secret_interval sysctl is now obsolete and has been marked as
deprecated, it still can be changed so scripts won't be broken but it
won't have any effect. A comment is left above each unused secret_timer
variable to avoid confusion.
Joint work with Nikolay Aleksandrov.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the high_thresh limit is reached we try to toss the 'oldest'
incomplete fragment queues until memory limits are below the low_thresh
value. This happens in softirq/packet processing context.
This has two drawbacks:
1) processors might evict a queue that was about to be completed
by another cpu, because they will compete wrt. resource usage and
resource reclaim.
2) LRU list maintenance is expensive.
But when constantly overloaded, even the 'least recently used' element is
recent, so removing 'lru' queue first is not 'fairer' than removing any
other fragment queue.
This moves eviction out of the fast path:
When the low threshold is reached, a work queue is scheduled
which then iterates over the table and removes the queues that exceed
the memory limits of the namespace. It sets a new flag called
INET_FRAG_EVICTED on the evicted queues so the proper counters will get
incremented when the queue is forcefully expired.
When the high threshold is reached, no more fragment queues are
created until we're below the limit again.
The LRU list is now unused and will be removed in a followup patch.
Joint work with Nikolay Aleksandrov.
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
With a flash-based BBT there is no reason to move the Factory Bad
Block Marker from the data area buffer (to where it is mapped by the
GPMI NAND controller) to the OOB buffer. Thus, make this feature
configurable via DT. This is required for the Ka-Ro electronics
platforms.
In the original code 'this->swap_block_mark' was synonymous with
'!GPMI_IS_MX23()', so use the latter at the relevant places.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Acked-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
We don't have license to redistribute this firmware, so extract
it from the driver, and add the needed headers.
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Tested-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The Allwinner A31 and A23 SoCs have a reset controller
maintaining the UART in reset by default.
This patch adds optional reset support to the driver.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Armada XP
- Fix return value check in pmsu code
- Document URLs for new public datasheets (Thanks, Marvell & free-electrons!)
- Armada 370/38x
- Add cpuidle support
- mvebu
- Fix build when no platforms are selected
- Update EBU SoC status in docs
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Merge tag 'mvebu-soc-3.17-4' of git://git.infradead.org/linux-mvebu into next/soc
Merge "mvebu SoC changes for v3.17 (round 4)" from Jason Cooper:
- Armada XP
- Fix return value check in pmsu code
- Document URLs for new public datasheets (Thanks, Marvell & free-electrons!)
- Armada 370/38x
- Add cpuidle support
- mvebu
- Fix build when no platforms are selected
- Update EBU SoC status in docs
* tag 'mvebu-soc-3.17-4' of git://git.infradead.org/linux-mvebu: (21 commits)
Documentation: arm: misc updates to Marvell EBU SoC status
Documentation: arm: add URLs to public datasheets for the Marvell Armada XP SoC
ARM: mvebu: fix build without platforms selected
ARM: mvebu: add cpuidle support for Armada 38x
ARM: mvebu: add cpuidle support for Armada 370
cpuidle: mvebu: add Armada 38x support
cpuidle: mvebu: add Armada 370 support
cpuidle: mvebu: rename the driver from armada-370-xp to mvebu-v7
ARM: mvebu: export the SCU address
ARM: mvebu: make the snoop disabling optional in mvebu_v7_pmsu_idle_prepare()
ARM: mvebu: use a local variable to store the resume address
ARM: mvebu: make the cpuidle initialization more generic
ARM: mvebu: rename the armada_370_xp symbols to mvebu_v7 in pmsu.c
ARM: mvebu: use the common function for Armada 375 SMP workaround
ARM: mvebu: add a common function for the boot address work around
ARM: mvebu: sort the #include of pmsu.c in alphabetic order
ARM: mvebu: split again armada_370_xp_pmsu_idle_enter() in PMSU code
ARM: mvebu: fix return value check in armada_xp_pmsu_cpufreq_init()
clk: mvebu: extend clk-cpu for dynamic frequency scaling
ARM: mvebu: extend PMSU code to support dynamic frequency scaling
...
Conflicts:
arch/arm/mach-mvebu/Kconfig
drivers/cpuidle/cpuidle-armada-370-xp.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
As announced parts from ARM they will probably be used in socs shortly.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
- support common clock framework for s5pv210 clock
- add generic PHY driver on s5pv210 to support it via DT
- add dt support for s5pv210-goni, smdkc110, smdkv210 and torbreck boards
- remove board files from mach-s5pv210 and unused codes
- enable multiplatform for s5pv210
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Merge tag 's5pv210-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Merge "Samsung S5PV210 DT support for v3.17" from Kukjin Kim:
- support common clock framework for s5pv210 clock
- add generic PHY driver on s5pv210 to support it via DT
- add dt support for s5pv210-goni, smdkc110, smdkv210 and torbreck boards
- remove board files from mach-s5pv210 and unused codes
- enable multiplatform for s5pv210
* tag 's5pv210-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
clk: samsung: s5pv210: Remove legacy board support
ARM: SAMSUNG: Remove remaining legacy code
gpio: samsung: Remove legacy support of S5PV210
ARM: S5PV210: Enable multi-platform build support
cpufreq: s5pv210: Make the driver multiplatform aware
ARM: S5PV210: Register cpufreq platform device
ARM: S5PV210: move debug-macro.S into the common space
ARM: S5PV210: Untie PM support from legacy code
ARM: S5PV210: Remove support for board files
ARM: dts: Add Device tree for s5pc110/s5pv210 boards
ARM: dts: Add Device tree for s5pv210 SoC
ARM: S5PV210: Add board file for boot using Device Tree
phy: Add support for S5PV210 to the Exynos USB 2.0 PHY driver
clk: samsung: Add S5PV210 Audio Subsystem clock driver
ARM: SAMSUNG: Remove legacy clock code
serial: samsung: Remove support for legacy clock code
cpufreq: s3c24xx: Remove some dead code
ARM: S5PV210: Migrate clock handling to Common Clock Framework
clk: samsung: Add clock driver for S5PV210 and compatible SoCs
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge branches 'samsung/cleanup' and 'samsung/s5p-cleanup-v2', tag 'v3.16-rc6' into next/soc
The following samsung branches are based on these cleanups,
which are already in mainline before this branch gets pulled.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This patch introduces a driver that handles configuration of CLKOUT pin
of Exynos SoCs that can be used to output certain clocks from inside of
the SoC to a dedicated output pin.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
This pull request adds support for the clocks found in the newly supported
Allwinner A23 clocks.
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Merge tag 'sunxi-clocks-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next-sunxi
Allwinner clocks additions for 3.17
This pull request adds support for the clocks found in the newly supported
Allwinner A23 clocks.
These patches add support for a handful of Qualcomm's SoC clock
controllers: APQ8084 gcc and mmcc, IPQ8064 gcc, and APQ8064.
There's also a small collection of bug fixes that aren't critical
-rc worthy regressions because the consumer drivers aren't present
or using the buggy clocks and one optimization for HDMI.
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Merge tag 'qcom-clocks-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into clk-next-msm
qcom clock changes for 3.17
These patches add support for a handful of Qualcomm's SoC clock
controllers: APQ8084 gcc and mmcc, IPQ8064 gcc, and APQ8064.
There's also a small collection of bug fixes that aren't critical
-rc worthy regressions because the consumer drivers aren't present
or using the buggy clocks and one optimization for HDMI.
Document the new RDS receiver controls. This will be used by the radio-miropcm20
driver.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Document the new RDS features that will be supported by the si4713 driver.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This patch explicitly documents the relationship between bytesused and data_offset.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This patch adds helper functions to configure clock parents and rates
as specified through 'assigned-clock-parents', 'assigned-clock-rates'
DT properties for a clock provider or clock consumer device.
The helpers are now being called by the bus code for the platform, I2C
and SPI busses, before the driver probing and also in the clock core
after registration of a clock provider.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Introduce a device tree binding document for the MPC512x DMA controller
Signed-off-by: Alexander Popov <a13xp0p0v88@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
The "security: introduce kernel_fw_from_file hook" patch defined a
new security hook to evaluate any loaded firmware that wasn't built
into the kernel.
This patch defines ima_fw_from_file(), which is called from the new
security hook, to measure and/or appraise the loaded firmware's
integrity.
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Add helper functions that allow regulator consumers to obtain low-level
details about the regulator hardware, like the voltage selector register
address and such. These details can be useful when configuring hardware
or firmware that want to do low-level access to regulators, with no
involvement from the kernel.
The use-case for Tegra is a voltage-controlled oscillator clocksource
which has control logic to change the supply voltage via I2C to achieve
a desired output clock rate.
Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The Allwinner A31 DMA controller is rather simple to describe in the DT. Add
the bindings documentation.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Make /sys/bus/rbd/devices/<id>/parent show the entire chain of parent
images. While at it, kernel sprintf() doesn't return negative values,
casting to unsigned long long is no longer necessary and there is no
good reason to split into multiple sprintf() calls.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Shared Peripheral ASRC, running on SPBA, needs to use shp sciprts for
DMA transfer. So this patch just adds a new DMATYPE for it.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
We're about to add a device tree for the Parallella board.
Cc: Andreas Olofsson <andreas@adapteva.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Following the merging of mach-kirkwood into mach-mvebu, the removal of
mach-kirkwood, and the progress of the integration of mach-dove into
mach-mvebu, this commit makes a few updates to the Marvell README file
in the kernel documentation.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1406227593-29749-3-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Marvell has very recently released a public version of the "Functional
specifications" and "Hardware specifications" datasheets for the
Marvell Armada XP SoC. This allows contributors and developers not
under NDA with Marvell to get more details about this SoC than what
the current kernel code shows, and hopefully allows to improve the
support for this SoC in the mainline kernel, as well as in other
projects.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1406227593-29749-2-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
New functionality
* A new modifier to indicate that a rotation is relative to either
true or magnetic north. This is to be used by some magnetometers
that provide data in this way.
* hid magnetometer now supports output rotations from various variants on
North
* HMC5843 driver converted to regmap and reworked to allow easy support
of other similar devices. Support for HMC5983 added via both i2c and SPI.
* Rework of Exynos driver to simplify extension to support more devices.
* Addition of support for the Exynos3250 ADC (which requires an additional
clock) Support for quite a few more devices on its way.
Cleanups
* ad7997 - a number of cleanups and tweaks to how the events are controlled
to make it more intuitive.
* kxcjk - cleanups and minor fixes for this new driver.
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Merge tag 'iio-for-3.17d' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Fourth round of IIO new drivers, functionality and cleanups for the 3.17 cycle
New functionality
* A new modifier to indicate that a rotation is relative to either
true or magnetic north. This is to be used by some magnetometers
that provide data in this way.
* hid magnetometer now supports output rotations from various variants on
North
* HMC5843 driver converted to regmap and reworked to allow easy support
of other similar devices. Support for HMC5983 added via both i2c and SPI.
* Rework of Exynos driver to simplify extension to support more devices.
* Addition of support for the Exynos3250 ADC (which requires an additional
clock) Support for quite a few more devices on its way.
Cleanups
* ad7997 - a number of cleanups and tweaks to how the events are controlled
to make it more intuitive.
* kxcjk - cleanups and minor fixes for this new driver.
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Merge tag 'v3.16-rc6' into next
Merge with mainline to bring in changes to MFD to allow merging
ipaq-micro-ts driver.
Both functions were introduced to let gpio drivers request their own
gpio pins. Without exporting the functions, this can however only be
used by gpio drivers built into the kernel.
Secondary impact is that the functions can not currently be used by
platform initialization code associated with the gpio-pca953x driver.
This code permits auto-export of gpio pins through platform data, but
if this functionality is used, the module can no longer be unloaded due
to the problem solved with the introduction of gpiochip_request_own_desc
and gpiochip_free_own_desc.
Export both function so they can be used from modules and from
platform initialization code.
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds some documentation about clock sources, clock events,
the weak sched_clock() function and delay timers that answers
questions that repeatedly arise on the mailing lists.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Colin Cross <ccross@google.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This patch add DT binding documentation for Exynos3250 ADC IP. Exynos3250 has
special clock ('sclk_adc') for ADC which provide clock to internal ADC.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
