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This adds support for the RTC provided by the Maxim 8998 chip. This
driver was tested on a GONI board by using the rtc-test application from
the Documentation/rtc.txt.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Use genirq and provide seperated file for interrupts support.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The MAX8998 chip have regulator and rtc features. The i2c slave address
of regulator and rtc is different, so needs each i2c client on i2c
operation functions.
Also, this patch exports i2c operation functions instead of callback to
make easy to read.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
1. return -ENOMEM if platform_device_alloc() fail.
2. call platform_device_put() if platform_device_add() fail.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
1. return -ENOMEM if platform_device_alloc() fail.
2. call platform_device_put() if platform_device_add() fail.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This patch fixes da903x_add_subdevs error path:
1. return -ENOMEM if platform_device_alloc() fail.
2. call platform_device_put() if platform_device_add() fail.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Acked-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Add codec IRQ resources that are used in 88pm860x codec driver.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
For the resources allocated in tps6586x_i2c_probe(),
we need to free it in tps6586x_i2c_remove().
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
use the new definitions on twl header for code
consistency.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
use the new definitions on twl header for code
consistency.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
use the new definitions on twl header for code
consistency.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Some modules already need to talk to at least PROTECT_KEY
register, while at that, add defines to the entire register
space.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
LP3974 PMIC support. It has same functionality as max8998.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
GPIOs on these controller are multi-functional. If you decided to use
some of them e.g. as input channels for the ADC, you surely don't want
those pins to be reassigned as simple GPIOs (which may be triggered even
from userspace via 'export'). Same for the touchscreen controller pins.
Since knowledge about the hardware is needed to decide which GPIOs to
reserve, let this bitmask be inside platform_data and provide some
defines to assist potential users.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Rabin Vincent <rabin.vincent@stericsson.com>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This switches the AB3100 core driver to using MFD cells for
subdevices instead of spawning common platform devices.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Since there is no discardable probe() function in the I2C device
framework, let's just tag it __devinit and take the footprint hit
rather than seeing the compilation warnings every day.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Fixed warnings about unprototyped global functions.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
initramfs: Fix build break on symbol-prefixed archs
initramfs: fix initramfs size calculation
initramfs: generalize initramfs_data.xxx.S variants
scripts/kallsyms: Enable error messages while hush up unnecessary warnings
scripts/setlocalversion: update comment
kbuild: Use a single clean rule for kernel and external modules
kbuild: Do not run make clean in $(srctree)
scripts/mod/modpost.c: fix commentary accordingly to last changes
kbuild: Really don't clean bounds.h and asm-offsets.h
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
nfs4: The difference of 2 pointers is ptrdiff_t
nfs: testing the wrong variable
nfs: handle lock context allocation failures in nfs_create_request
Fixed Regression in NFS Direct I/O path
In current implementation, vid is declared as u8,
then "vid == -1" is always false, and "vid >= 0" is always true.
Thus change it to s8.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Commit f03f91826 (regulator: Add option for machine drivers
to enable the dummy regulator) in the regulators tree
seems to have introduced the following build break when
CONFIG_REGULATOR_DUMMY is disabled. Fix this.
CC drivers/regulator/dummy.o
drivers/regulator/dummy.c:41: error: redefinition of 'regulator_dummy_init'
drivers/regulator/dummy.h:28: note: previous definition of 'regulator_dummy_init' was here
make[2]: *** [drivers/regulator/dummy.o] Error 1
make[1]: *** [drivers/regulator] Error 2
make: *** [drivers] Error 2
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
I have a regulator A that sets regulator B as its supply. When I call
set_supply to add B as the supply for A, regulator A gets added to the
supply_list for regulator B.
When I call regulator_disable(A), I end up with a call chain like this:
regulator_disable(A)
> mutex_lock(A)
> _regulator_disable(A)
>> _regulator_disable(B)
>>> _notifier_call_chain(B)
>>>> mutex_lock(A)
Which results in dead lock since we are trying to acquire the mutex lock
for regulator A which we already hold.
This patch addresses this issue by moving the call to disable regulator
B outside of the lock aquired inside the initial call to
regulator_disable.
This change also addresses the issue of not acquiring the mutex for
regulator B before calling _regulator_disable(B).
Signed-off-by: Jeffrey Carlyle <jeff.carlyle@motorola.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Allow machine drivers to explicitly enable the use of the dummy regulator,
enabling simpler support for systems with only a few specific supplies
visible to software.
It is strongly recommended that this is not used on systems with
substantial software control over their PMICs, for maximum functionality
constrints should be as fully specified as possible.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This patch includes below fixes based on Mark's comment.
- Return actual error if i2c_smbus_read_byte_data() fail
- Add spaces around bitwise AND operator(&) to improve readability
- Add comment to explain why we need to update voltage change control register
for LDO1 and LDO5
- Logging the value for diagnostics if chip reported incorrect voltage value
- Add __devinit annotation for setup_regulators()
- Show system control register1 value if the value is mismatched
- Logging the value for diagnostics if failed to detect device
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This patch adds regulator drivers for National Semiconductors LP3972 PMIC.
This LP3972 PMIC controller has 3 DC/DC voltage converters and 5 low drop-out
(LDO) regulators. LP3972 PMIC controller uses I2C interface.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
MAX8952 PMIC is used to provide voltage output between 770mV - 1400mV
with DVS support. In this initial release, users can set voltages for
four DVS modes, RAMP delay values, and SYNC frequency.
Controlling FPWM/SYNC_MODE/Pull-Down/Ramp Modes and reading CHIP_ID
is not supported in this release.
If GPIO of EN is not valid in platform data, the driver assumes that it
is always-on. If GPIO of VID0 or VID1 is invalid, the driver pulls down
VID0 and VID1 to fix DVS mode as 0 and disables DVS support.
We assume that V_OUT is capable to provide every voltage from 770mV to
1.40V in 10mV steps although the data sheet has some ambiguity on it.
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
--
v2:
- Style correction
- Can accept platform_data with invalid GPIOs
- Removed unnecessary features
- Improved error handling
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
On m68k, which is 32-bit:
fs/nfs/nfs4proc.c: In function ‘nfs41_sequence_done’:
fs/nfs/nfs4proc.c:432: warning: format ‘%ld’ expects type ‘long int’, but argument 3 has type ‘int’
fs/nfs/nfs4proc.c: In function ‘nfs4_setup_sequence’:
fs/nfs/nfs4proc.c:576: warning: format ‘%ld’ expects type ‘long int’, but argument 5 has type ‘int’
On 32-bit, ptrdiff_t is int; on 64-bit, ptrdiff_t is long.
Introduced by commit dfb4f30983 ("NFSv4.1: keep
seq_res.sr_slot as pointer rather than an index")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: (68 commits)
hwmon: (it87) Add support for the IT8721F/IT8758E
hwmon: (it87) Move conversion functions
hwmon: Remove many EXPERIMENTAL flags
hwmon: (lm85) Add support for ADT7468 high-frequency PWM mode
hwmon: (lm85) Document the ADT7468 as supported
hwmon: (lm85) Fix ADT7468 frequency table
hwmon: I2C addresses are constant
Move ams driver to macintosh
hwmon: (pcf8591) Don't attempt to detect devices
hwmon: (pcf8591) Register as a hwmon device
hwmon: (w83795) Use standard attributes for chassis intrusion
hwmon: (w83795) Exclude fan control feature by default
hwmon: (w83795) Add myself as co-author and maintainer
hwmon: (w83795) More style cleanups
hwmon: (w83795) Fix LSB reading of voltage limits
hwmon: (w83795) Use dev_get_drvdata() where possible
hwmon: (w83795) Delay reading pwm config registers
hwmon: (w83795) Delay reading limit registers
hwmon: (w83795) Move register reads to dedicated functions
hwmon: (w83795) Pack similar register reads
...
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (27 commits)
x86: allocate space within a region top-down
x86: update iomem_resource end based on CPU physical address capabilities
x86/PCI: allocate space from the end of a region, not the beginning
PCI: allocate bus resources from the top down
resources: support allocating space within a region from the top down
resources: handle overflow when aligning start of available area
resources: ensure callback doesn't allocate outside available space
resources: factor out resource_clip() to simplify find_resource()
resources: add a default alignf to simplify find_resource()
x86/PCI: MMCONFIG: fix region end calculation
PCI: Add support for polling PME state on suspended legacy PCI devices
PCI: Export some PCI PM functionality
PCI: fix message typo
PCI: log vendor/device ID always
PCI: update Intel chipset names and defines
PCI: use new ccflags variable in Makefile
PCI: add PCI_MSIX_TABLE/PBA defines
PCI: add PCI vendor id for STmicroelectronics
x86/PCI: irq and pci_ids patch for Intel Patsburg DeviceIDs
PCI: OLPC: Only enable PCI configuration type override on XO-1
...
Add support for the IT8721F/IT8758E. These new chips differ from the
older IT87xxF chips in the following ways:
* ADC LSB is 12 mV instead of 16 mV.
* PWM values are 8-bit instead of 7-bit.
There are other minor changes we don't have to care about in the
driver.
Another change is that we will handle internal voltage scaling in the
driver instead of delegating the work to user-space.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Move conversion functions until after structure defintions. This is
needed for future changes which make use of the structures in the
conversion funtcions.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Remove the dependency on EXPERIMENTAL for all drivers which are in
the kernel tree for a long time, are known to work properly and for
which we have documentation.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Corentin Labbe <corentin.labbe@geomatys.fr>
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Juerg Haefliger <juergh@gmail.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
The ADT7468 supports a high-frequency PWM output mode where all PWM
outputs are driven by a 22.5 kHz clock. Add support for this mode, and
document it, as it may surprise the user that setting one PWM output
frequency also affects the other PWM outputs.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Darrick J. Wong <djwong@us.ibm.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
The ADT7468 uses the same frequency table as the ADT7463.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org
Cc: Darrick J. Wong <djwong@us.ibm.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
We can mark normal_i2c const. Almost all drivers do that already, so
fix the 3 remaining ones before they are used as (bad) examples for
new drivers.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: George Joseph <george.joseph@fairview5.com>
Reviewed-by: Guenter Roeck <guenter.roeck@ericsson.com>
The ams driver isn't a hardware monitoring driver, so it shouldn't
live under driver/hwmon. drivers/macintosh seems much more
appropriate, as the driver is only useful on PowerBooks and iBooks.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Stelian Pop <stelian@popies.net>
Cc: Michael Hanselmann <linux-kernel@hansmi.ch>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
The PCF8591 can't be detected, don't even try. There are plenty of
other means to instantiate i2c devices these days.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Reviewed-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Register PCF8591 devices as hwmon devices. There's little point in
implementing the standard sysfs interface if we don't register it in
a way libsensors will pick it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Reviewed-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Follow the standard attribute naming for the chassis intrusion
feature. I couldn't test the beeping (my board apparently doesn't do
that) but the alarm works fine.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
The fan control feature of the w83795 driver is insufficiently
reviewed and tested for public consumption at this time, so make it
optional and disabled by default. We will change the default when
review and testing is deemed sufficient. Ultimately the option will
go away.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
I've made so many changes to the w83795 driver that it's only fair to
list myself as a co-author. I'll also maintain the driver for some
time. There's more work needed on the driver for sure.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
