Pull kbuild fix from Michal Marek:
"One fix for for make headers_install/headers_check to not require make
3.81. The requirement has been accidentally introduced in 3.7."
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: fix make headers_check with make 3.80
* The GPIO descriptor work has exposed how broken the non-GPIOLIB
bits for OpenRISC were. We now require GPIOLIB as this is the
preferred way forward.
* The system.h split introduced a bug in llist.h for arches using
asm-generic/cmpxchg.h directly, which is currently only OpenRISC.
The patch here moves two defines from asm-generic/atomic.h to
asm-generic/cmpxchg.h to make things work as they should.
* The VIRT_TO_BUS selector was added for OpenRISC, but OpenRISC does
not have the virt_to_bus methods, so there's a patch to remove it
again.
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Merge tag 'for-3.9-rc3' of git://openrisc.net/jonas/linux
Pull OpenRISC bug fixes from Jonas Bonn:
- The GPIO descriptor work has exposed how broken the non-GPIOLIB bits
for OpenRISC were. We now require GPIOLIB as this is the preferred
way forward.
- The system.h split introduced a bug in llist.h for arches using
asm-generic/cmpxchg.h directly, which is currently only OpenRISC.
The patch here moves two defines from asm-generic/atomic.h to
asm-generic/cmpxchg.h to make things work as they should.
- The VIRT_TO_BUS selector was added for OpenRISC, but OpenRISC does
not have the virt_to_bus methods, so there's a patch to remove it
again.
* tag 'for-3.9-rc3' of git://openrisc.net/jonas/linux:
openrisc: remove HAVE_VIRT_TO_BUS
asm-generic: move cmpxchg*_local defs to cmpxchg.h
openrisc: require gpiolib
Here are some tiny fixes for the w1 drivers and the final removal patch
for getting rid of CONFIG_EXPERIMENTAL (all users of it are now gone
from your tree, this just drops the Kconfig item itself.)
All have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg Kroah-Hartman:
"Here are some tiny fixes for the w1 drivers and the final removal
patch for getting rid of CONFIG_EXPERIMENTAL (all users of it are now
gone from your tree, this just drops the Kconfig item itself.)
All have been in the linux-next tree for a while"
* tag 'char-misc-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
final removal of CONFIG_EXPERIMENTAL
w1: fix oops when w1_search is called from netlink connector
w1-gpio: fix unused variable warning
w1-gpio: remove erroneous __exit and __exit_p()
ARM: w1-gpio: fix erroneous gpio requests
A collection of small fixes, as expected for the middle rc:
- A couple of fixes for potential NULL dereferences and out-of-range
array accesses revealed by static code parsers
- A fix for the wrong error handling detected by trinity
- A regression fix for missing audio on some MacBooks
- CA0132 DSP loader fixes
- Fix for EAPD control of IDT codecs on machines w/o speaker
- Fix a regression in the HD-audio widget list parser code
- Workaround for the NuForce UDH-100 USB audio
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Merge tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes, as expected for the middle rc:
- A couple of fixes for potential NULL dereferences and out-of-range
array accesses revealed by static code parsers
- A fix for the wrong error handling detected by trinity
- A regression fix for missing audio on some MacBooks
- CA0132 DSP loader fixes
- Fix for EAPD control of IDT codecs on machines w/o speaker
- Fix a regression in the HD-audio widget list parser code
- Workaround for the NuForce UDH-100 USB audio"
* tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix missing EAPD/GPIO setup for Cirrus codecs
sound: sequencer: cap array index in seq_chn_common_event()
ALSA: hda/ca0132 - Remove extra setting of dsp_state.
ALSA: hda/ca0132 - Check download state of DSP.
ALSA: hda/ca0132 - Check if dspload_image succeeded.
ALSA: hda - Disable IDT eapd_switch if there are no internal speakers
ALSA: hda - Fix snd_hda_get_num_raw_conns() to return a correct value
ALSA: usb-audio: add a workaround for the NuForce UDH-100
ALSA: asihpi - fix potential NULL pointer dereference
ALSA: seq: Fix missing error handling in snd_seq_timer_open()
Pull DMA-mapping fix from Marek Szyprowski:
"An important fix for all ARM architectures which use ZONE_DMA.
Without it dma_alloc_* calls with GFP_ATOMIC flag might have allocated
buffers outsize DMA zone."
* 'fixes-for-3.9' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
ARM: DMA-mapping: add missing GFP_DMA flag for atomic buffer allocation
With this one we have:
- An ab8500 build failure fix.
- An ab8500 device tree parsing fix.
- A fix for twl4030_madc remove routine to work properly (when built-in).
- A fix for properly registering palmas interrupt handler.
- A fix for omap-usb init routine to actually write into the hostconfig
register.
- A couple of warning fixes for ab8500-gpadc and tps65912.
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Merge tag 'mfd-fixes-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes
Pull MFD fixes from Samuel Ortiz:
"This is the first batch of MFD fixes for 3.9.
With this one we have:
- An ab8500 build failure fix.
- An ab8500 device tree parsing fix.
- A fix for twl4030_madc remove routine to work properly (when
built-in).
- A fix for properly registering palmas interrupt handler.
- A fix for omap-usb init routine to actually write into the
hostconfig register.
- A couple of warning fixes for ab8500-gpadc and tps65912"
* tag 'mfd-fixes-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes:
mfd: twl4030-madc: Remove __exit_p annotation
mfd: ab8500: Kill "reg" property from binding
mfd: ab8500-gpadc: Complain if we fail to enable vtvout LDO
mfd: wm831x: Don't forward declare enum wm831x_auxadc
mfd: twl4030-audio: Fix argument type for twl4030_audio_disable_resource()
mfd: tps65912: Declare and use tps65912_irq_exit()
mfd: palmas: Provide irq flags through DT/platform data
mfd: Make AB8500_CORE select POWER_SUPPLY to fix build error
mfd: omap-usb-host: Actually update hostconfig
Added specific maintainer for some hwmon drivers
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Bug fixes for pmbus, ltc2978, and lineage-pem drivers
Added specific maintainer for some hwmon drivers"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (pmbus/ltc2978) Fix temperature reporting
hwmon: (pmbus) Fix krealloc() misuse in pmbus_add_attribute()
hwmon: (lineage-pem) Add missing terminating entry for pem_[input|fan]_attributes
MAINTAINERS: Add maintainer for MAX6697, INA209, and INA2XX drivers
This patch fixes a kernel crash when using precise sampling (PEBS)
after a suspend/resume. Turns out the CPU notifier code is not invoked
on CPU0 (BP). Therefore, the DS_AREA (used by PEBS) is not restored properly
by the kernel and keeps it power-on/resume value of 0 causing any PEBS
measurement to crash when running on CPU0.
The workaround is to add a hook in the actual resume code to restore
the DS Area MSR value. It is invoked for all CPUS. So for all but CPU0,
the DS_AREA will be restored twice but this is harmless.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
`labpc_common_detach()` calls `comedi_pci_disable()` unconditionally.
That's okay for PCI devices and harmless for ISA devices (as the
`hw_dev` member will be NULL so `comedi_to_pci_dev()` will return NULL
and `comedi_pci_disable()` checks for that), but it is disastrous for
PCMCIA devices. Those are managed by the "ni_labpc_cs" module but it
calls this `labpc_common_detach()` and the `hw_dev` member will be
pointing to the `struct device` embedded in a `struct pcmcia_device` in
that case. That's enough to confuse `comedi_pci_disable()` into
thinking it's a valid PCI device to be disabled.
Use the private board information (`thisboard`) to make sure it is a PCI
device before calling `comedi_pci_disable()`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some PCI drivers use the "spare" `iobase` member of `struct
comedi_device` as a flag to indicate that the call to
`comedi_pci_enable()` was successful. This is no longer necessary now
that `comedi_pci_enable()` and `comedi_pci_disable()` use the
`ioenabled` member of `struct comedi_device` themselves to keep track of
what needs to be done.
Remove the unnecessary assignments to the `iobase` member in the
relevant drivers.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add 1-bit bit-field member `ioenabled` of type `bool` to `struct
comedi_device`. Use this to keep track of whether a PCI device and its
BARs have been successfully enabled by `comedi_pci_enable()`. This
avoids overloading the meaning of the `iobase` member which is used by
several drivers to hold the base port I/O address of a board's "main"
registers. Other drivers using MMIO use `iobase` as a flag to indicate
that the preceding call to `comedi_pci_enable()` was successful. They
no longer need to do that.
The name `ioenabled` is intended to be PCI-agnostic so it can be used
for similar purposes by non-PCI drivers.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change the `in_request_module` member of `struct comedi_device` to a
1-bit bit-field of type `bool` and move it into a suitable hole in the
data type to save a few bytes. Change the assigned values to `true` and
`false`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change the `attached` member of `struct comedi_device` to a 1-bit
bit-field of type `bool`. Change assigned values to `true` and `false`
and replace or remove comparison operations with simple boolean tests.
We'll put some extra bit-fields in the gap later to save space.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Florent Boudet reports success using a NI PXI-6624 board with a
trivially modified version of the "ni_660x" driver (addition to the PCI
device ID table and comedi board table). He did this with the
out-of-tree Comedi drivers at www.comedi.org, but it applies equally to
the in-tree "staging" drivers.
He reports the PXI-6624 is basically the same as the PXI-6602, but with
isolated channels and external voltage source.
Add support for NI PXI-6224 to the "ni_660x" driver.
(Maybe the driver should be renamed to "ni_66xx"?)
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: Florent Boudet <flboudet@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Back in the old days (before "staging") when Comedi only supported
manual configuration of devices, the "adv_pci_dio" driver supported both
PCI-1753 ("pci1753") and PCI-1753E ("pci1753e"). In actual fact,
"pci1753e" is just a PCI-1753 connected by a ribbon cable to a PCI-1753E
expansion card, which is plugged into a PCI slot but is not a PCI device
itself. Now that the "adv_pci_dio" driver only supports automatic
configuration of devices and the main "comedi" module no longer allows
auto-configuration to be disabled, a PCI-1753 with a PCI-1753E expansion
card is always treated as an unexpanded PCI-1753 ("pci1753") and there
is no way to override it. (Recently, an undefined macro
`USE_PCI1753E_BOARDINFO` was used to make the driver switch to
supporting "pci1753e" instead of "pci1753", but this is less than
ideal.)
Advantech has their own Linux (non-Comedi) driver for the PCI-1753 which
detects whether the PCI-1753E expansion card is connected to the
PCI-1753 by fiddling with a register at offset 53 from the main
registers base.
Use Advantech's test in our "adv_pci_dio" driver. If the board appears
to be a PCI-1753 ("pci1753"), check if the expansion card appears to be
present, and if so, treat the device as a PCI-1753 plus PCI-1753E
expansion card ("pci1753e").
Also, get rid of `enum dio_boardid` (`BOARD_...` enum values) which was
added recently and just use the older `TYPE_...` enum values from `enum
hw_cards_id` instead as the mapping is now 1-to-1.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix a build error due to a missing ';' at the end of a line.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reported-by: Geert Uytterhoeven <geert.uytterhoeven@gmail.com>
Cc: Kumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dwc2_hcd_release() calls dwc2_hcd_free() which frees ->core_params
and sets it to NULL.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
'lli_array_ptr' etc. are malloced in sep_prepare_input_dma_table() and should
be freed before leaving from the error handling case, otherwise it will cause
memory leak.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Document the helper to validate a struct omap_bandgap and a sensor id.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Not all APIs exposed today are used. However all unused APIs
will be required once the thermal layer allows IRQ based
policies.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It is hard to use regmap because benefit of using regmap cache
may not be applicable as there is a specific sequence to
restore the bandgap context.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Because there is a need to lock inside IRQ handler, this patch
changes the locking mechanism inside the omap-bandgap.[c,h] to
spinlocks. Now this lock is used to protect omap_bandgap struct
during APIs exposed (possibly used in sysfs handling functions)
and inside the ALERT IRQ handler.
Because there are registers shared among the sensors, this lock
is global, not per sensor.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now arch code has to specify CONFIG_ARCH_HAS_BANDGAP. So, this driver
will be selectable only if the platform reports itself as having a
bandgap device.
Any OMAP variant or any other OMAP version needs to
select ARCH_HAS_BANDGAP
so that the driver will be applicable. A part from that it is
required to device the data structures that maps the registers
and their bitfields. The DT compatible list must also be updated.
CC: Santosh Shilimkar <santosh.shilimkar@ti.com>
CC: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add documentation for the function to setup TSHUT handling
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add documentation of the function for reading alert thresholds
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Document function to program alert thresholds
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Document function to initialize the conversion state machine.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch names 'enable_continuous_mode' accordingly to the file
standard naming.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch improves the code that handles threshold values
by creating single functions that are usable for tcold and
thot. This way we won't have duplicated functionality just
because it is handling different bitfields. Now
the added functions are reused in several places where
it is needed to update any threshold.
This patch also removes macros that are used only inside
the _validate helper function.
In this patch there is also an addition of an extra function
section for Exposed APIs, used outside the omap-bandgap.c,
but inside the omap-thermal driver.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Proper document the function to configure the IRQ event masks.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This change improves temp_sensor_unmask_interrupts by:
. renaming it to omap_bandgap_unmask_interrupts
. making it a void function, as there is nothing really to report an error.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch improves the add_hyst function by:
. Renaming it to omap_bandgap_add_hyst
. Moving it to the ADC conversion functions section
. Changing its signature to follow the driver standard
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As we have one conv table per bandgap device and not per sensor,
this patch changes the data structures so that the conv table
min and max values are now part of bandgap_data and not sensor_data.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename temp_to_adc_conversion to omap_bandgap_mcelsius_to_adc. This name,
though longer, describes better the function.
This patch also changes this function signature so the function follows
the style of this file.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename adc_to_temp_conversion to omap_bandgap_adc_to_mcelsius. This name,
though longer, describes better the function.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
