This is based on Linux 3.7 rc6
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Merge tag 'pull_req_20121122' of git://git.kernel.org/pub/scm/linux/kernel/git/mzx/extcon into char-misc-next
MyungJoo writes:
"extcon pull request targetting Linux 3.8 for Greg KH on 2012.11.22
This is based on Linux 3.7 rc6"
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
devm_kzalloc() is a device managed function. It makes error handling
and cleanup code a bit simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
devm_kzalloc() is a device managed function. It makes error handling
and cleanup code a bit simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Fixes the following checkpatch error:
ERROR: space required after that ',' (ctx:VxV)
460: FILE: extcon/extcon-max8997.c:460:
ret = request_threaded_irq(virq, NULL,max8997_muic_irq_handler,
^
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
As per kernel coding style, if one branch of conditional statement has braces,
the other one should have too.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
irq_create_mapping() returns 0 if it fails to provide a valid irq number.
'ret' needs to be updated with a negative error code before returning from
probe to signal probe failure. While at it, also corrected the 'virq' type to
unsigned from signed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
irq_create_mapping() returns 0 if it fails to provide a valid irq number.
'ret' needs to be updated with a negative error code before returning from
probe to signal probe failure. While at it, also corrected the 'virq' type to
unsigned from signed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Return the value obtained from the function extcon_register_interest
instead of -ENODEV.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
If regmap_read() failed, arizona_micdet() returns IRQ_NONE
leaving &info->lock mutex locked as opposed to all other return paths.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
There are some scnearios where a driver/framework needs to register
interest for a particular cable without specifying the extcon device
name. One such scenario is charger notifications. The platform will
have charger cabel which will be bound to any extcon device. It's
not mandatory for the charger driver to know which extcon device
it should use. This patch enables the support for registering
interest for a cable just by cable name wihtout specifying the
extcon device name
Signed-off-by: Jenny TC <jenny.tc@intel.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
--
Kernel-doc comment added by MyungJoo Ham
Extcon core doesn't free the memory when we do unregister.
Kfree is added in the remove path as it was missing.
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
There was a case where free and list_del can be called twice
on the same pointer.So fixed it by re-arranging the code and
removing a function which was not needed.
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
This patch add platform data for MUIC device to initialize register
on probe() call because it should unmask interrupt mask register
and initialize some register related to MUIC device.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This driver can be built as a module, add MODULE_LICENSE for it.
For completeness, also adds MODULE_AUTHOR and MODULE_DESCRIPTION.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
On failure, request_any_context_irq() returns a negative value.
On success, it returns either IRQC_IS_HARDIRQ or IRQC_IS_NESTED.
Also ensure adc_jack_probe() return 0 on success.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Propagate the value returned from extcon_find_cable_index()
instead of -ENODEV. For readability, -EINVAL is returned in place of
the variable.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Since extcon registers this compat link at device registration
(extcon_dev_register), we should probably remove them at deregistration/cleanup.
Cc: stable@vger.kernel.org
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Rather than re-inventing the wheel we can use the hamming function
to calculate the number of bits set to check for violation of
exclusivity.
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
With this change now individual drivers can use standard cable
names as below:
static const char *arizona_cable[] = {
extcon_cable_name[EXTCON_USB],
extcon_cable_name[EXTCON_USB_HOST],
"CUSTOM_CABLE"
NULL,
}
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
actually we can do returns with error or success with out ret in this function,
so remove the ret variable, and reduce a very little (4byte) space on stack of this function
Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Pull workqueue changes from Tejun Heo:
"This is workqueue updates for v3.7-rc1. A lot of activities this
round including considerable API and behavior cleanups.
* delayed_work combines a timer and a work item. The handling of the
timer part has always been a bit clunky leading to confusing
cancelation API with weird corner-case behaviors. delayed_work is
updated to use new IRQ safe timer and cancelation now works as
expected.
* Another deficiency of delayed_work was lack of the counterpart of
mod_timer() which led to cancel+queue combinations or open-coded
timer+work usages. mod_delayed_work[_on]() are added.
These two delayed_work changes make delayed_work provide interface
and behave like timer which is executed with process context.
* A work item could be executed concurrently on multiple CPUs, which
is rather unintuitive and made flush_work() behavior confusing and
half-broken under certain circumstances. This problem doesn't
exist for non-reentrant workqueues. While non-reentrancy check
isn't free, the overhead is incurred only when a work item bounces
across different CPUs and even in simulated pathological scenario
the overhead isn't too high.
All workqueues are made non-reentrant. This removes the
distinction between flush_[delayed_]work() and
flush_[delayed_]_work_sync(). The former is now as strong as the
latter and the specified work item is guaranteed to have finished
execution of any previous queueing on return.
* In addition to the various bug fixes, Lai redid and simplified CPU
hotplug handling significantly.
* Joonsoo introduced system_highpri_wq and used it during CPU
hotplug.
There are two merge commits - one to pull in IRQ safe timer from
tip/timers/core and the other to pull in CPU hotplug fixes from
wq/for-3.6-fixes as Lai's hotplug restructuring depended on them."
Fixed a number of trivial conflicts, but the more interesting conflicts
were silent ones where the deprecated interfaces had been used by new
code in the merge window, and thus didn't cause any real data conflicts.
Tejun pointed out a few of them, I fixed a couple more.
* 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (46 commits)
workqueue: remove spurious WARN_ON_ONCE(in_irq()) from try_to_grab_pending()
workqueue: use cwq_set_max_active() helper for workqueue_set_max_active()
workqueue: introduce cwq_set_max_active() helper for thaw_workqueues()
workqueue: remove @delayed from cwq_dec_nr_in_flight()
workqueue: fix possible stall on try_to_grab_pending() of a delayed work item
workqueue: use hotcpu_notifier() for workqueue_cpu_down_callback()
workqueue: use __cpuinit instead of __devinit for cpu callbacks
workqueue: rename manager_mutex to assoc_mutex
workqueue: WORKER_REBIND is no longer necessary for idle rebinding
workqueue: WORKER_REBIND is no longer necessary for busy rebinding
workqueue: reimplement idle worker rebinding
workqueue: deprecate __cancel_delayed_work()
workqueue: reimplement cancel_delayed_work() using try_to_grab_pending()
workqueue: use mod_delayed_work() instead of __cancel + queue
workqueue: use irqsafe timer for delayed_work
workqueue: clean up delayed_work initializers and add missing one
workqueue: make deferrable delayed_work initializer names consistent
workqueue: cosmetic whitespace updates for macro definitions
workqueue: deprecate system_nrt[_freezable]_wq
workqueue: deprecate flush[_delayed]_work_sync()
...
Here is the big driver core update for 3.7-rc1.
A number of firmware_class.c updates (as you saw a month or so ago), and
some hyper-v updates and some printk fixes as well. All patches that
are outside of the drivers/base area have been acked by the respective
maintainers, and have all been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core merge from Greg Kroah-Hartman:
"Here is the big driver core update for 3.7-rc1.
A number of firmware_class.c updates (as you saw a month or so ago),
and some hyper-v updates and some printk fixes as well. All patches
that are outside of the drivers/base area have been acked by the
respective maintainers, and have all been in the linux-next tree for a
while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'driver-core-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (95 commits)
memory: tegra{20,30}-mc: Fix reading incorrect register in mc_readl()
device.h: Add missing inline to #ifndef CONFIG_PRINTK dev_vprintk_emit
memory: emif: Add ifdef CONFIG_DEBUG_FS guard for emif_debugfs_[init|exit]
Documentation: Fixes some translation error in Documentation/zh_CN/gpio.txt
Documentation: Remove 3 byte redundant code at the head of the Documentation/zh_CN/arm/booting
Documentation: Chinese translation of Documentation/video4linux/omap3isp.txt
device and dynamic_debug: Use dev_vprintk_emit and dev_printk_emit
dev: Add dev_vprintk_emit and dev_printk_emit
netdev_printk/netif_printk: Remove a superfluous logging colon
netdev_printk/dynamic_netdev_dbg: Directly call printk_emit
dev_dbg/dynamic_debug: Update to use printk_emit, optimize stack
driver-core: Shut up dev_dbg_reatelimited() without DEBUG
tools/hv: Parse /etc/os-release
tools/hv: Check for read/write errors
tools/hv: Fix exit() error code
tools/hv: Fix file handle leak
Tools: hv: Implement the KVP verb - KVP_OP_GET_IP_INFO
Tools: hv: Rename the function kvp_get_ip_address()
Tools: hv: Implement the KVP verb - KVP_OP_SET_IP_INFO
Tools: hv: Add an example script to configure an interface
...
- A tps65217 build error fix.
- A lcp_ich regression fix caused by the MFD driver failing to initialize the
watchdog sub device due to ACPI conflicts.
- 2 MAX77693 interrupt handling bug fixes.
- An MFD core fix, adding an IRQ domain argument to the MFD device addition
API in order to prevent silent and potentially harmful remapping behaviour
changes for drivers supporting non-DT platforms.
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Merge tag 'mfd-for-linus-3.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull mfd fixes from Samuel Ortiz:
"This is the remaining MFD fixes for 3.6, with 5 pending fixes:
- A tps65217 build error fix.
- A lcp_ich regression fix caused by the MFD driver failing to
initialize the watchdog sub device due to ACPI conflicts.
- 2 MAX77693 interrupt handling bug fixes.
- An MFD core fix, adding an IRQ domain argument to the MFD device
addition API in order to prevent silent and potentially harmful
remapping behaviour changes for drivers supporting non-DT
platforms."
* tag 'mfd-for-linus-3.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: MAX77693: Fix NULL pointer error when initializing irqs
mfd: MAX77693: Fix interrupt handling bug
mfd: core: Push irqdomain mapping out into devices
mfd: lpc_ich: Fix a 3.5 kernel regression for iTCO_wdt driver
mfd: Move tps65217 regulator plat data handling to regulator
This patch initialize register map of MUIC device because mfd driver
of Maxim MAX77693 use regmap-muic instance of MUIC device when irqs of
Maxim MAX77693 is initialized before call max77693-muic probe() function.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reported-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
We can perform microphone detection with MICVDD in bypass mode so try to
enable that during startup for minimal power - other users or machine
constraints will prevent bypass mode being activated if it is unsuitable.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Generated by: scripts/coccinelle/misc/irqf_oneshot.cocci
Make sure threaded IRQs without a primary handler are always
requested with IRQF_ONESHOT.
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
External connector devices that decides connection information based on
ADC values may use adc-jack device driver. The user simply needs to
provide a table of adc range and connection states. Then, extcon
framework will automatically notify others.
Changes in V1:
added Lars-Peter Clausen suggested changes:
Using macros to get rid of boiler plate code such as devm_kzalloc
and module_platform_driver.Other changes suggested are related to
coding guidelines.
Changes in V2:
Removed some unnecessary checks and changed the way we are un-regitering
extcon and freeing the irq while removing.
Changes in V3:
Renamed the files to comply with extcon naming.
Changes in V4:
Added the cancel_work_sync during removing of driver.
Changes in V5:
Added the dependency of IIO in Kconfig.
Changes in V6:
Some nitpicks related to naming.
Changes in this version:
V6 patch version patch broke the build:
ERROR: "extcon_cable_name" [drivers/extcon/extcon-adc-jack.ko] undefined!
Fixed it in this version.
Acked-by: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: anish kumar <anish.singh@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The operation of lockdep requires that all dynamically allocated sysfs
nodes are initialised using sysfs_attr_init() otherwise lots of warnings
are generated. Ensure that all the dynamically allocated attributes that
extcon generates have this done.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replaced '_' with '-' in the extcon file names, which has been bogging
since new drivers have been using the standard naming.
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 980d792981 as it
breaks the build with the error:
ERROR: "extcon_cable_name" [drivers/extcon/extcon-adc-jack.ko] undefined!
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: anish kumar <anish.singh@samsung.com>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
External connector devices that decides connection information based on
ADC values may use adc-jack device driver. The user simply needs to
provide a table of adc range and connection states. Then, extcon
framework will automatically notify others.
Changes in V1:
added Lars-Peter Clausen suggested changes:
Using macros to get rid of boiler plate code such as devm_kzalloc
and module_platform_driver.Other changes suggested are related to
coding guidelines.
Changes in V2:
Removed some unnecessary checks and changed the way we are un-regitering
extcon and freeing the irq while removing.
Changes in V3:
Renamed the files to comply with extcon naming.
Changes in V4:
Added the cancel_work_sync during removing of driver.
Changes in V5:
Added the dependency of IIO in Kconfig.
Changes in V6:
Some nitpicks related to naming.
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: anish kumar <anish.singh@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As well as identifying accessories the accessory detection hardware on
Arizona class devices can also detect a number of buttons which we should
report via the input API.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 01eaf24 "extcon: Convert extcon_gpio to devm_gpio_request_one"
missed the replacement for devm_gpio_request_one. fix it.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
