Commit Graph

573761 Commits

Author SHA1 Message Date
Wenyou Yang
b25c6b7d28 mfd: act8945a: Add Active-semi ACT8945A PMIC MFD driver
This patch adds support for the Active-semi ACT8945A PMIC.
It is a Multi Function Device with the following subdevices:
 - Regulator
 - Charger

It is interfaced to the host controller using I2C interface,
ACT8945A is a child device of the I2C.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:25 +00:00
Tomeu Vizoso
f4bcf5a29d mfd: cros_ec: Small kerneldoc fix
s/cros_ec_register/cros_ec_query_all

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:24 +00:00
Charles Keepax
f4d34c94ff mfd: arizona: Remove duplicate select of MFD_CORE
MFD_ARIZONA_I2C and MFD_ARIZONA_SPI both select MFD_ARIZONA and all
three of those select MFD_CORE, this makes the selects of MFD_CORE in
MFD_ARIZONA_I2C and MFD_ARIZONA_SPI redundant, so we remove them.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:23 +00:00
Charles Keepax
21aca3bf0d mfd: cs47l24: Fix defaults array based on testing
My automated test is back and now can check defaults against the actual
hardware. This patch updates the defaults array for the differences
detected and removes a couple of completely unused registers.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:22 +00:00
Charles Keepax
9edd83c782 mfd: wm8998: Fix defaults array based on testing
My automated test is back and now can check defaults against the actual
hardware. This patch updates the defaults array for the differences
detected and removes a couple of completely unused registers.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:22 +00:00
Charles Keepax
516c95f0b0 mfd: wm5102: Fix defaults array based on testing
My automated test is back and now can check defaults against the actual
hardware. This patch updates the defaults array for the differences
detected and removes a couple of completely unused registers.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:21 +00:00
Charles Keepax
036fa859cd mfd: wm5110: Fix defaults array based on testing
My automated test is back and now can check defaults against the actual
hardware. This patch updates the defaults array for the differences
detected and removes a couple of completely unused registers.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:20 +00:00
Charles Keepax
5dbd47840a mfd: arizona: Update small typo in Arizona SPI Kconfig
The help text had a copy and paste error and refers to I2C in the SPI
section. This patch corrects this typo.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:19 +00:00
Philipp Zabel
c131045d5b mfd: syscon: Make syscon_regmap_config const
syscon_regmap_config can be made const if syscon_probe() creates a local
copy on the stack, just like syscon_register() does.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:18 +00:00
Philipp Zabel
ca668f0edf mfd: syscon: Set regmap max_register in of_syscon_register
Determine the regmap max_register configuration from the io resource size
and the reg-io-width device tree property.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:17 +00:00
Arnd Bergmann
a7e4631772 mfd: db8500: Avoid uninitialized variable reference
The prcmu_config_clkout() function ensures that the 'clkout' argument
can only be '0' or '1' using an appropriate BUG_ON(), so the compiler
should know that the div_mask, mask, and bits variables are always
initialized later on. However, it doesn't understand this in gcc-5.2
and produces a false positive warning instead:

drivers/mfd/db8500-prcmu.c: In function 'prcmu_config_clkout':
drivers/mfd/db8500-prcmu.c:762:10: error: 'div_mask' may be used uninitialized in this function [-Werror=maybe-uninitialized]
  if (val & div_mask) {
          ^
drivers/mfd/db8500-prcmu.c:769:13: error: 'mask' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    if ((val & mask & ~div_mask) != bits) {
             ^
drivers/mfd/db8500-prcmu.c:757:7: error: 'bits' may be used uninitialized in this function [-Werror=maybe-uninitialized]

Replacing the switch() statement with an equivalent if() lets
gcc figure this out reliably and avoids the warnings.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:16 +00:00
Andrew F. Davis
b45b719ee0 mfd: tps65086: Add driver for the TPS65086 PMIC
Add support for the TPS65912 device. It provides communication
through I2C and contains the following components:

 - Regulators
 - Load switches
 - GPO controller

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:15 +00:00
Andrew F. Davis
a85b9e0b3c Documentation: tps65086: Add DT bindings for the TPS65086 PMIC
The TPS65086 PMIC contains several regulators and a GPO controller.
Add bindings for the TPS65086 PMIC.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:15 +00:00
Huiquan Zhong
023269cc98 mfd: lpss: Add PCI IDs for Intel Broxton B-Step platform
Add PCI IDs for Intel Broxton B-Step platform, which have same
LPSS devices with A-Step.

Signed-off-by: Huiquan Zhong <huiquan.zhong@intel.com>
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
cked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-09 12:58:53 +07:00
Axel Lin
c2e04af072 mfd: Allow i2c modular drivers to build with I2C=m
These drivers can be built as module, so make them depend on I2C rather
than I2C=y.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-09 12:58:52 +07:00
Andy Shevchenko
84cb36cac5 mfd: intel-lpss: Remove clock tree on error path
We forgot to remove the clock tree if something goes wrong in ->probe(). Add a
call to intel_lpss_unregister_clock() on error path in ->probe() to fix the
potential issue.

Fixes: 4b45efe852 (mfd: Add support for Intel Sunrisepoint LPSS devices)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-09 12:58:51 +07:00
Aaro Koskinen
dbc352b9f1 mfd: tps65010: Fix init when the driver is built-in
tps65010 driver's initcall cannot succeed when the driver is built-in,
because it expects that the I2C probe is completed at initcall time;
this cannot happen as MFD is initialized before I2C. Also on systems
where the chip is not present there is unnecessary 30 ms delay during
the boot.

Instead of waiting for probe to finish, just register the I2C device.
If some boards need retry mechanism for startup glitches, that should be
done in the actual probe function. Also delete the driver banner message.

The patch allows to use tps65010 again with OMAP1 (where it's required
to be built-in) and enables e.g. USB and LED functionality on OMAP5912 OSK.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-09 12:58:50 +07:00
Lee Jones
bab070620e Merge branches 'ib-mfd-clk-4.6', 'ib-mfd-input-iio-4.6', 'ib-mfd-regulator-4.6' and 'ib-mfd-regulator-gpio-4.6' into ibs-for-mfd-merged 2016-03-09 12:56:47 +07:00
Arnd Bergmann
0708677558 iio: adc/imx25-gcq: Move incorrect do_div
The newly added driver uses do_div() to device a 32-bit number, which now
provokes a warning:

drivers/iio/adc/fsl-imx25-gcq.c: In function 'mx25_gcq_setup_cfgs':
include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer types lacks a cast
  (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \

This replaces the do_div() call with a straight division operator.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 6df2e98c3e ("iio: adc: Add imx25-gcq ADC driver")
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-09 12:50:51 +07:00
Chen-Yu Tsai
04e0981c67 regulator: axp20x: Support new AXP223 PMIC
The AXP223 is a new PMIC commonly paired with Allwinner A23/A33 SoCs.
It is functionally identical to AXP221; only the regulator default
voltage/status and the external host interface are different.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:55:34 +00:00
Chen-Yu Tsai
02071f0f79 mfd: axp20x: Add support for RSB based AXP223 PMIC
The AXP223 is a new PMIC commonly paired with Allwinner A23/A33 SoCs.
It is functionally identical to AXP221; only the regulator default
voltage/status and the external host interface are different.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:54:42 +00:00
Chen-Yu Tsai
2260a45356 mfd: axp20x: Whitespace, open parenthesis alignment code style fixes
This fixes some leftover code style issues in the axp20x core.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:53:51 +00:00
Chen-Yu Tsai
4fd4115142 mfd: axp20x: Split the driver into core and i2c bits
The axp20x driver assumes the device is i2c based. This is not the
case with later chips, which use a proprietary 2 wire serial bus
by Allwinner called "Reduced Serial Bus".

This patch follows the example of mfd/wm831x and splits it into
an interface independent core, and an i2c specific glue layer.
MFD_AXP20X and the new MFD_AXP20X_I2C are changed to tristate
symbols, allowing the driver to be built as modules.

Whitespace and other style errors in the moved i2c specific code
have been fixed. Included but unused header files are removed as
well.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:53:03 +00:00
Chen-Yu Tsai
e740235ddd mfd: axp20x: Add missing copyright notice
Supply a backdated copyright notice.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Carlo Caione <carlo@caione.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:52:08 +00:00
Chen-Yu Tsai
af7acc3df7 mfd: axp20x: Use dev->driver->of_match_table in axp20x_match_device()
In axp20x_match_device(), match the of_device_id table bound to the
device driver instead of pointing to axp20x_of_match directly. This
will allow us to keep axp20x_match_device() unmodified when we expand
the axp20x driver into multiple ones covering different interface
types.

of_device_get_match_data() cannot be used here as we need to know if
it failed to get a match, or if the match data value just happened to
be 0, as it is for the AXP152.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:51:17 +00:00
Chen-Yu Tsai
e47a3cf741 mfd: axp20x: Remove second struct device * parameter for axp20x_match_device()
The first argument passed to axp20x_match_device(), struct axp20x_dev *,
already contains a pointer to the device. By rearranging some code,
moving the assignment of the pointer before axp20x_match_device() is
called, we can eliminate the second parameter.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:50:30 +00:00
Chen-Yu Tsai
6f89fa9e58 mfd: axp20x: Add AXP223 to list of supported PMICs in DT bindings
The AXP223 is a new PMIC commonly paired with Allwinner A23/A33 SoCs.
It is functionally identical to AXP221; only the regulator default
voltage/status and the external host interface are different.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:46:52 +00:00
Andrew F. Davis
ca801a22f4 gpio: tps65912: Add GPIO driver for the TPS65912 PMIC
This patch adds support for the TPS65912 PMIC GPIOs.

TPS65912 has five configurable GPIOs that can be used for several
purposes.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 16:31:12 +00:00
Andrew F. Davis
33f9d8c0b4 regulator: tps65912: Add regulator driver for the TPS65912 PMIC
This patch adds support for TPS65912 PMIC regulators.

The regulators set consists of 4 DCDCs and 10 LDOs. The output
voltages are configurable and are meant to supply power to the
main processor and other components.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 16:31:06 +00:00
Andrew F. Davis
796f5692da mfd: tps65912: Add driver for the TPS65912 PMIC
This patch adds support for TPS65912 PMIC MFD core. It provides
communication through the I2C and SPI interfaces. It contains
the following components:

 - Regulators
 - GPIO controller

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 16:30:59 +00:00
Andrew F. Davis
65b6555971 mfd: tps65912: Remove old driver in preparation for new driver
The old tps65912 driver is being replaced, delete old driver.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 16:30:31 +00:00
Andrew F. Davis
c5cdf1d2b2 Documentation: tps65912: Add DT bindings for the TPS65912 PMIC
The TPS65912 PMIC contains several regulators and a GPIO controller.
Add bindings for the TPS65912 PMIC.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 16:30:22 +00:00
Markus Pargmann
4f7ed234f2 Input: touchscreen: Add imx25 TCQ driver
This is a driver for the imx25 ADC/TSC module. It controls the
touchscreen conversion queue and creates a touchscreen input device.
The driver currently only supports 4 wire touchscreens. The driver uses
a simple conversion queue of precharge, touch detection, X measurement,
Y measurement, precharge and another touch detection.

This driver uses the regmap from the parent to setup some touch specific
settings in the core driver and setup a idle configuration with touch
detection.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Denis Carikli <denis@eukrea.com>
[fix clock's period calculation]
[fix calculation of the 'settling' value]
Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 15:40:42 +00:00
Markus Pargmann
6df2e98c3e iio: adc: Add imx25-gcq ADC driver
This is a conversion queue driver for the mx25 SoC. It uses the central
ADC which is used by two seperate independent queues. This driver
prepares different conversion configurations for each possible input.
For a conversion it creates a conversionqueue of one item with the
correct configuration for the chosen channel. It then executes the queue
once and disables the conversion queue afterwards.

The reference voltages are configurable through devicetree subnodes,
depending on the connections of the ADC inputs.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Denis Carikli <denis@eukrea.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 15:40:41 +00:00
Markus Pargmann
e2fccf5c15 mfd: fsl-imx25-tsadc: Register touchscreen ADC driver
This is the core driver for imx25 touchscreen/adc driver. The module
has one shared ADC and two different conversion queues which use the
ADC. The two queues are identical. Both can be used for general purpose
ADC but one is meant to be used for touchscreens.

This driver is the core which manages the central components and
registers of the TSC/ADC unit. It manages the IRQs and forwards them to
the correct components.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Denis Carikli <denis@eukrea.com>
[ensure correct ADC clock depending on the IPG clock]
Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 15:40:41 +00:00
Markus Pargmann
ff07004f4b Input: add binding documentation for imx25 touchscreen controller
This is the touchscreen conversion queue binding documentation. It uses
the shared imx25 ADC.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 15:40:20 +00:00
Markus Pargmann
337600fbee iio: Add binding documentation for imx25 GCQ
The documentation describes the bindings for the imx25 GCQ unit which is
essentially a generic conversion queue using the imx25 ADC.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 15:35:09 +00:00
Markus Pargmann
43de29baa9 mfd: Add DT binding documentation for imx25 ADC/TSC
This documentation describes the devicetree bindings for the
ADC/Touchscreen unit of the i.MX25 SoC.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 15:34:44 +00:00
Stephen Boyd
c4726abce6 mfd: intel_quark_i2c_gpio: Use clkdev_create()
Convert this driver to use clkdev_create() instead of
clk_register_clkdevs(). The latter API is only used by this driver,
although this driver only allocates one clk to add anyway.
Furthermore, this driver allocates the clk_lookup structure with
devm, but clkdev_drop() will free that structure when passed,
leading to a double free when this driver is removed. Clean it
all up and pave the way for the removal of clk_register_clkdevs().

Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 11:03:07 +00:00
Linus Torvalds
36f90b0a2d Linux 4.5-rc2 2016-01-31 18:12:16 -08:00
Linus Torvalds
d784ef581b USB fixes for 4.5-rc2
Here are some small USB fixes and new device ids for 4.5-rc2.  Nothing
 major here, full details are in the shortlog, and all of these have been
 in linux-next successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB driver fixes from Greg KH:
 "Here are some small USB fixes and new device ids for 4.5-rc2.  Nothing
  major here, full details are in the shortlog, and all of these have
  been in linux-next successfully"

* tag 'usb-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: option: fix Cinterion AHxx enumeration
  USB: mxu11x0: fix memory leak on usb_serial private data
  USB: serial: ftdi_sio: add support for Yaesu SCU-18 cable
  USB: serial: option: Adding support for Telit LE922
  USB: serial: visor: fix crash on detecting device without write_urbs
  USB: visor: fix null-deref at probe
  USB: cp210x: add ID for IAI USB to RS485 adaptor
  usb: hub: do not clear BOS field during reset device
  cdc-acm:exclude Samsung phone 04e8:685d
  usb: cdc-acm: send zero packet for intel 7260 modem
  usb: cdc-acm: handle unlinked urb in acm read callback
2016-01-31 17:36:45 -08:00
Linus Torvalds
54e3f3e302 TTY/Serial fixes for 4.5-rc2
Here are some small tty/serial driver fixes for 4.5-rc2.
 
 They resolve a number of reported problems (the ioctl one specifically
 has been pointed out by numerous people) and one patch adds some new
 device ids for the 8250_pci driver.  All have been in linux-next
 successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are some small tty/serial driver fixes for 4.5-rc2.

  They resolve a number of reported problems (the ioctl one specifically
  has been pointed out by numerous people) and one patch adds some new
  device ids for the 8250_pci driver.  All have been in linux-next
  successfully"

* tag 'tty-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: 8250_pci: Add Intel Broadwell ports
  staging/speakup: Use tty_ldisc_ref() for paste kworker
  n_tty: Fix unsafe reference to "other" ldisc
  tty: Fix unsafe ldisc reference via ioctl(TIOCGETD)
  tty: Retry failed reopen if tty teardown in-progress
  tty: Wait interruptibly for tty lock on reopen
2016-01-31 17:09:39 -08:00
Linus Torvalds
8c4e378e42 Staging fixes for 4.5-rc2
Here are some small staging driver fixes for 4.5-rc2.  One of them
 predated 4.4-final, but I missed that merge window due to the holliday.
 The others fix reported issues that have come up recently.  The tty
 change is needed for the speakup driver fix and has the ack of the tty
 driver maintainer as well, i.e. myself :)
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging fixes from Greg KH:
 "Here are some small staging driver fixes for 4.5-rc2.

  One of them predated 4.4-final, but I missed that merge window due to
  the holliday.  The others fix reported issues that have come up
  recently.  The tty change is needed for the speakup driver fix and has
  the ack of the tty driver maintainer as well, i.e.  myself :)

  All have been in linux-next with no reported issues"

* tag 'staging-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  Staging: speakup: fix read scrolled-back VT
  Staging: speakup: Fix getting port information
  Revert "Staging: panel: usleep_range is preferred over udelay"
  iio: adis_buffer: Fix out-of-bounds memory access
2016-01-31 17:00:27 -08:00
Linus Torvalds
f3ca903fbb Driver core fix for 4.5-rc2
Here's a single driver core fix that resolves an issue a lot of users
 have been hitting for a while now.  It's been tested a lot and has been
 in linux-next successfully for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fix from Greg KH:
 "Here's a single driver core fix that resolves an issue a lot of users
  have been hitting for a while now.  It's been tested a lot and has
  been in linux-next successfully for a while"

* tag 'driver-core-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  base/platform: Fix platform drivers with no probe callback
2016-01-31 16:55:04 -08:00
Linus Torvalds
510ae0c994 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fix from Ralf Baechle:
 "Just a single revert for a patch which I had upstreamed out of
  sequence"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  Revert "MIPS: bcm63xx: nvram: Remove unused bcm63xx_nvram_get_psi_size() function"
2016-01-31 16:50:31 -08:00
Linus Torvalds
d517be5fcf Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
 "A bit on the largish side due to a series of fixes for a regression in
  the x86 vector management which was introduced in 4.3.  This work was
  started in December already, but it took some time to fix all corner
  cases and a couple of older bugs in that area which were detected
  while at it

  Aside of that a few platform updates for intel-mid, quark and UV and
  two fixes for in the mm code:
   - Use proper types for pgprot values to avoid truncation
   - Prevent a size truncation in the pageattr code when setting page
     attributes for large mappings"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  x86/mm/pat: Avoid truncation when converting cpa->numpages to address
  x86/mm: Fix types used in pgprot cacheability flags translations
  x86/platform/quark: Print boundaries correctly
  x86/platform/UV: Remove EFI memmap quirk for UV2+
  x86/platform/intel-mid: Join string and fix SoC name
  x86/platform/intel-mid: Enable 64-bit build
  x86/irq: Plug vector cleanup race
  x86/irq: Call irq_force_move_complete with irq descriptor
  x86/irq: Remove outgoing CPU from vector cleanup mask
  x86/irq: Remove the cpumask allocation from send_cleanup_vector()
  x86/irq: Clear move_in_progress before sending cleanup IPI
  x86/irq: Remove offline cpus from vector cleanup
  x86/irq: Get rid of code duplication
  x86/irq: Copy vectormask instead of an AND operation
  x86/irq: Check vector allocation early
  x86/irq: Reorganize the search in assign_irq_vector
  x86/irq: Reorganize the return path in assign_irq_vector
  x86/irq: Do not use apic_chip_data.old_domain as temporary buffer
  x86/irq: Validate that irq descriptor is still active
  x86/irq: Fix a race in x86_vector_free_irqs()
  ...
2016-01-31 16:17:19 -08:00
Linus Torvalds
dc799d0179 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
 "The timer departement delivers:

   - a regression fix for the NTP code along with a proper selftest
   - prevent a spurious timer interrupt in the NOHZ lowres code
   - a fix for user space interfaces returning the remaining time on
     architectures with CONFIG_TIME_LOW_RES=y
   - a few patches to fix COMPILE_TEST fallout"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tick/nohz: Set the correct expiry when switching to nohz/lowres mode
  clocksource: Fix dependencies for archs w/o HAS_IOMEM
  clocksource: Select CLKSRC_MMIO where needed
  tick/sched: Hide unused oneshot timer code
  kselftests: timers: Add adjtimex SETOFFSET validity tests
  ntp: Fix ADJ_SETOFFSET being used w/ ADJ_NANO
  itimers: Handle relative timers with CONFIG_TIME_LOW_RES proper
  posix-timers: Handle relative timers with CONFIG_TIME_LOW_RES proper
  timerfd: Handle relative timers with CONFIG_TIME_LOW_RES proper
  hrtimer: Handle remaining time proper for TIME_LOW_RES
  clockevents/tcb_clksrc: Prevent disabling an already disabled clock
2016-01-31 15:49:06 -08:00
Linus Torvalds
7ab85d4a85 Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
 "Three small fixes in the scheduler/core:

   - use after free in the numa code
   - crash in the numa init code
   - a simple spelling fix"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  pid: Fix spelling in comments
  sched/numa: Fix use-after-free bug in the task_numa_compare
  sched: Fix crash in sched_init_numa()
2016-01-31 15:44:04 -08:00
Linus Torvalds
29d14f0835 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
 "This is much bigger than typical fixes, but Peter found a category of
  races that spurred more fixes and more debugging enhancements.  Work
  started before the merge window, but got finished only now.

  Aside of that this contains the usual small fixes to perf and tools.
  Nothing particular exciting"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
  perf: Remove/simplify lockdep annotation
  perf: Synchronously clean up child events
  perf: Untangle 'owner' confusion
  perf: Add flags argument to perf_remove_from_context()
  perf: Clean up sync_child_event()
  perf: Robustify event->owner usage and SMP ordering
  perf: Fix STATE_EXIT usage
  perf: Update locking order
  perf: Remove __free_event()
  perf/bpf: Convert perf_event_array to use struct file
  perf: Fix NULL deref
  perf/x86: De-obfuscate code
  perf/x86: Fix uninitialized value usage
  perf: Fix race in perf_event_exit_task_context()
  perf: Fix orphan hole
  perf stat: Do not clean event's private stats
  perf hists: Fix HISTC_MEM_DCACHELINE width setting
  perf annotate browser: Fix behaviour of Shift-Tab with nothing focussed
  perf tests: Remove wrong semicolon in while loop in CQM test
  perf: Synchronously free aux pages in case of allocation failure
  ...
2016-01-31 15:38:27 -08:00
Linus Torvalds
bbfb239a10 Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Thomas Gleixner:
 "A single commit, which makes the rtmutex.wait_lock an irq safe lock.

  This prevents a potential deadlock which can be triggered by the rcu
  boosting code from rcu_read_unlock()"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rtmutex: Make wait_lock irq safe
2016-01-31 15:29:37 -08:00