"[RFC PATCH 0/2] audit of linux/device.h users in include/*"
https://lkml.org/lkml/2012/3/4/159
--
Nearly every subsystem has some kind of header with a proto like:
void foo(struct device *dev);
and yet there is no reason for most of these guys to care about the
sub fields within the device struct. This allows us to significantly
reduce the scope of headers including headers. For this instance, a
reduction of about 40% is achieved by replacing the include with the
simple fact that the device is some kind of a struct.
Unlike the much larger module.h cleanup, this one is simply two
commits. One to fix the implicit <linux/device.h> users, and then
one to delete the device.h includes from the linux/include/ dir
wherever possible.
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Merge tag 'device-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull <linux/device.h> avoidance patches from Paul Gortmaker:
"Nearly every subsystem has some kind of header with a proto like:
void foo(struct device *dev);
and yet there is no reason for most of these guys to care about the
sub fields within the device struct. This allows us to significantly
reduce the scope of headers including headers. For this instance, a
reduction of about 40% is achieved by replacing the include with the
simple fact that the device is some kind of a struct.
Unlike the much larger module.h cleanup, this one is simply two
commits. One to fix the implicit <linux/device.h> users, and then one
to delete the device.h includes from the linux/include/ dir wherever
possible."
* tag 'device-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
device.h: audit and cleanup users in main include dir
device.h: cleanup users outside of linux/include (C files)
seeing a trickle of new features coming in they're getting much smaller
than they were. It's also nice to have some features which support
other subsystems building infrastructure on top of regmap. Highlights
include:
- Support for padding between the register and the value when
interacting with the device, sometimes needed for fast interfaces.
- Support for applying register updates to the device when restoring the
register state. This is intended to be used to apply updates supplied by
manufacturers for tuning the performance of the device (many of which
are to undocumented registers which aren't otherwise covered).
- Support for multi-register operations on cached registers.
- Support for syncing only part of the register cache.
- Stubs and parameter query functions intended to make it easier for other
subsystems to build infrastructure on top of the regmap API.
plus a few driver updates making use of the new features which it was
easier to merge via this tree.
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Merge tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Things are really quieting down with the regmap API, while we're still
seeing a trickle of new features coming in they're getting much
smaller than they were. It's also nice to have some features which
support other subsystems building infrastructure on top of regmap.
Highlights include:
- Support for padding between the register and the value when
interacting with the device, sometimes needed for fast interfaces.
- Support for applying register updates to the device when restoring
the register state. This is intended to be used to apply updates
supplied by manufacturers for tuning the performance of the device
(many of which are to undocumented registers which aren't otherwise
covered).
- Support for multi-register operations on cached registers.
- Support for syncing only part of the register cache.
- Stubs and parameter query functions intended to make it easier for
other subsystems to build infrastructure on top of the regmap API.
plus a few driver updates making use of the new features which it was
easier to merge via this tree."
* tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (41 commits)
regmap: Fix future missing prototype of devres_alloc() and friends
regmap: Rejig struct declarations for stubbed API
regmap: Fix rbtree block base in sync
regcache: Make sure we sync register 0 in an rbtree cache
regmap: delete unused module.h from drivers/base/regmap files
regmap: Add stub for regcache_sync_region()
mfd: Improve performance of later WM1811 revisions
regmap: Fix x86_64 breakage
regmap: Allow drivers to sync only part of the register cache
regmap: Supply ranges to the sync operations
regmap: Add tracepoints for cache only and cache bypass
regmap: Mark the cache as clean after a successful sync
regmap: Remove default cache sync implementation
regmap: Skip hardware defaults for LZO caches
regmap: Expose the driver name in debugfs
mfd: wm8400: Convert to devm_regmap_init_i2c()
mfd: wm831x: Convert to devm_regmap_init()
mfd: wm8994: Convert to devm_regmap_init()
mfd/ASoC: Convert WM8994 driver to use regmap patches
mfd: Add __devinit and __devexit annotations in wm8994
...
This has been a fairly quiet release from a regulator point of view, the
only real framework features added were devm support and a convenience
helper for setting up fixed voltage regulators.
We also added a couple of drivers (but will drop the BQ240022 driver via
the arm-soc tree as it's been replaced by the more generic
gpio-regulator driver) and Axel Lin continued his relentless and
generally awesome stream of fixes and cleanups.
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Merge tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates for 3.4 from Mark Brown:
"This has been a fairly quiet release from a regulator point of view,
the only real framework features added were devm support and a
convenience helper for setting up fixed voltage regulators.
We also added a couple of drivers (but will drop the BQ240022 driver
via the arm-soc tree as it's been replaced by the more generic
gpio-regulator driver) and Axel Lin continued his relentless and
generally awesome stream of fixes and cleanups."
* tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (93 commits)
regulator: Fix up a confusing dev_warn when DT lookup fails
regulator: Convert tps6507x to set_voltage_sel
regulator: Refactor tps6507x to use one tps6507x_pmic_ops for all LDOs and DCDCs
regulator: Make s5m8767_get_voltage_register always return correct register
regulator: s5m8767: Check pdata->buck[2|3|4]_gpiodvs earlier
regulator: tps65910: Provide settling time for DCDC voltage change
regulator: Add Anatop regulator driver
regulator: Simplify implementation of tps65912_get_voltage_dcdc
regulator: Use tps65912_set_voltage_sel for both DCDCx and LDOx
regulator: tps65910: Provide settling time for enabling rails
regulator: max8925: Use DIV_ROUND_UP macro
regulator: tps65912: Use simple equations to get register address
regulator: Fix the logic of tps65910_get_mode
regulator: Merge tps65217_pmic_ldo234_ops and tps65217_pmic_dcdc_ops to tps65217_pmic_ops
regulator: Use DIV_ROUND_CLOSEST in wm8350_isink_get_current
regulator: Use array to store dcdc_range settings for tps65912
regulator: Rename s5m8767_convert_voltage to s5m8767_convert_voltage_to_sel
regulator: tps6524x: Remove unneeded comment for N_REGULATORS
regulator: Rename set_voltage_sel callback function name to *_sel
regulator: Fix s5m8767_set_voltage_time_sel calculation value
...
This branch takes the PowerPC irq_host infrastructure (reverse mapping
from Linux IRQ numbers to hardware irq numbering), generalizes it,
renames it to irq_domain, and makes it available to all architectures.
Originally the plan has been to create an all-new irq_domain
implementation which addresses some of the powerpc shortcomings such
as not handling 1:1 mappings well, but doing that proved to be far
more difficult and invasive than generalizing the working code and
refactoring it in-place. So, this branch rips out the 'new'
irq_domain and replaces it with the modified powerpc version (in a
fully bisectable way of course). It converts all users over to the
new API and makes irq_domain selectable on any architecture.
No architecture is forced to enable irq_domain, but the infrastructure
is required for doing OpenFirmware style irq translations. It will
even work on SPARC even though SPARC has it's own mechanism for
translating irqs at boot time. MIPS, microblaze, embedded x86 and c6x
are converted too.
The resulting irq_domain code is probably still too verbose and can be
optimized more, but that can be done incrementally and is a task for
follow-on patches.
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Merge tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull irq_domain support for all architectures from Grant Likely:
"Generialize powerpc's irq_host as irq_domain
This branch takes the PowerPC irq_host infrastructure (reverse mapping
from Linux IRQ numbers to hardware irq numbering), generalizes it,
renames it to irq_domain, and makes it available to all architectures.
Originally the plan has been to create an all-new irq_domain
implementation which addresses some of the powerpc shortcomings such
as not handling 1:1 mappings well, but doing that proved to be far
more difficult and invasive than generalizing the working code and
refactoring it in-place. So, this branch rips out the 'new'
irq_domain and replaces it with the modified powerpc version (in a
fully bisectable way of course). It converts all users over to the
new API and makes irq_domain selectable on any architecture.
No architecture is forced to enable irq_domain, but the infrastructure
is required for doing OpenFirmware style irq translations. It will
even work on SPARC even though SPARC has it's own mechanism for
translating irqs at boot time. MIPS, microblaze, embedded x86 and c6x
are converted too.
The resulting irq_domain code is probably still too verbose and can be
optimized more, but that can be done incrementally and is a task for
follow-on patches."
* tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6: (31 commits)
dt: fix twl4030 for non-dt compile on x86
mfd: twl-core: Add IRQ_DOMAIN dependency
devicetree: Add empty of_platform_populate() for !CONFIG_OF_ADDRESS (sparc)
irq_domain: Centralize definition of irq_dispose_mapping()
irq_domain/mips: Allow irq_domain on MIPS
irq_domain/x86: Convert x86 (embedded) to use common irq_domain
ppc-6xx: fix build failure in flipper-pic.c and hlwd-pic.c
irq_domain/microblaze: Convert microblaze to use irq_domains
irq_domain/powerpc: Replace custom xlate functions with library functions
irq_domain/powerpc: constify irq_domain_ops
irq_domain/c6x: Use library of xlate functions
irq_domain/c6x: constify irq_domain structures
irq_domain/c6x: Convert c6x to use generic irq_domain support.
irq_domain: constify irq_domain_ops
irq_domain: Create common xlate functions that device drivers can use
irq_domain: Remove irq_domain_add_simple()
irq_domain: Remove 'new' irq_domain in favour of the ppc one
mfd: twl-core.c: Fix the number of interrupts managed by twl4030
of/address: add empty static inlines for !CONFIG_OF
irq_domain: Add support for base irq and hwirq in legacy mappings
...
Pull trivial tree from Jiri Kosina:
"It's indeed trivial -- mostly documentation updates and a bunch of
typo fixes from Masanari.
There are also several linux/version.h include removals from Jesper."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (101 commits)
kcore: fix spelling in read_kcore() comment
constify struct pci_dev * in obvious cases
Revert "char: Fix typo in viotape.c"
init: fix wording error in mm_init comment
usb: gadget: Kconfig: fix typo for 'different'
Revert "power, max8998: Include linux/module.h just once in drivers/power/max8998_charger.c"
writeback: fix fn name in writeback_inodes_sb_nr_if_idle() comment header
writeback: fix typo in the writeback_control comment
Documentation: Fix multiple typo in Documentation
tpm_tis: fix tis_lock with respect to RCU
Revert "media: Fix typo in mixer_drv.c and hdmi_drv.c"
Doc: Update numastat.txt
qla4xxx: Add missing spaces to error messages
compiler.h: Fix typo
security: struct security_operations kerneldoc fix
Documentation: broken URL in libata.tmpl
Documentation: broken URL in filesystems.tmpl
mtd: simplify return logic in do_map_probe()
mm: fix comment typo of truncate_inode_pages_range
power: bq27x00: Fix typos in comment
...
use the new ability to override the voltage set and get operations to
support the in-CPU voltage management. The other changes are minor
fixes, the addition of a few new regulators and device tree support.
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Merge tag 'topic/twl' into regulator-next
TWL specific changes, cross-merged with OMAP due to arch/arm wanting to
use the new ability to override the voltage set and get operations to
support the in-CPU voltage management. The other changes are minor
fixes, the addition of a few new regulators and device tree support.
To be able to attach consumers to these supplies from board
files we need to have regulator_init_data for them.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
vdd1 and vdd2 are now common regulators for twl4030 and twl6030. Also
added vdd3 as a new regulator for twl6030. twl6030 vdd1...vdd3 smps
regulator voltages can only be controlled through the smartreflex
voltage channel, thus the support for the voltage_get and set is
minimal and requires external controller.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This is needed for SMPS regulators, which use the OMAP voltage
processor for voltage get/set functions instead of the normal I2C
channel. For this purpose, regulator_init_data->driver_data contents
are expanded, it is now a struct which contains function pointers
for the set/get voltage operations, a data pointer for these, and
the previously used features bitmask.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com> [for the MFD part]
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
For files that are actively using linux/device.h, make sure
that they call it out. This will allow us to clean up some
of the implicit uses of linux/device.h within include/*
without introducing build regressions.
Yes, this was created by "cheating" -- i.e. the headers were
cleaned up, and then the fallout was found and fixed, and then
the two commits were reordered. This ensures we don't introduce
build regressions into the git history.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
twl4030 still doesn't build correctly for x86 allmodconfig. This
fix solves the missing symbol errors.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Benoit Cousson <b-cousson@ti.com>
It should be marked as readable but wasn't, breaking DC servo operation.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Apply tunings from earlier silicon revisions to revisions up to D and also
tweak an additional setting for improved DC servo performance.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
TWL4030 depends on IRQ_DOMAIN support, so this patch selects it in Kconfig.
It used to be that CONFIG_IRQ_DOMAIN must only be selected by the architecture,
but recent cleanups have fixed it so that it is safe to select from anywhere.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
[grant.likely: Changed from a depends to a select]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Sparc has its own helpers for translating address ranges when the device
tree is parsed at boot time, and it isn't able to use of_platform_populate().
However, there are some device drivers that want to use that function on
other DT enabled platforms (ie. TWL4030). This patch adds an empty
of_platform_populate() implementation that returns an error when
CONFIG_OF_ADDRESS is not selected.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
irq_base of the tps65912 irq platform data should be
initialized with the board provided irq_base data.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The code is currently always checking the first resource of every
device only (several times.) This has been broken since the ACPI check
was added in February 2010 in commit
91fedede03.
Fix the check to run on each resource individually, once.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@vger.kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Early revisions of several of the WM8994 variants have register updates
to improve performance. Move these over to using the regmap patch system
instead of open coding them in the audio driver. Since the regmap init
is done by the MFD the code is moved there.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
The wm8994_device_init() and wm8994_device_exit() functions were not
annotated as device init and exit functions, meaning they shouldn't
reference __devinitdata.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Oritz <sameo@linux.intel.com>
We were not freeing the irq properly in the error path in
the AB8500 driver.
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com>
Signed-off-by: Alex Macro <alex.macro@stericsson.com>
Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The jack detection on WM1811 is often required during system suspend, add
it as another check when deciding if we should suspend.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
irq_base of the tps65910 irq platform data should be
initialized with the board provided irq_base data.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Remove "wm8350->irq_base = pdata->irq_base" to avoid
null pointer exception and wm8350->irq_base got from
irq_alloc_descs().
Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This patch removes the simplistic implementation of irq_domains and enables
the powerpc infrastructure for all irq_domain users. The powerpc
infrastructure includes support for complex mappings between Linux and
hardware irq numbers, and can manage allocation of irq_descs.
This patch also converts the few users of irq_domain_add()/irq_domain_del()
to call irq_domain_add_legacy() instead.
v3: Fix bug that set up too many irqs in translation range.
v2: Fix removal of irq_alloc_descs() call in gic driver
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Milton Miller <miltonm@bga.com>
Tested-by: Olof Johansson <olof@lixom.net>
TWL4030 does handle 3 different interrupts ranges: 8 for the core, 8 for
the power events and 18 for the GPIOs.
Change the total number of interrupts managed by TWL4030 from 8 to 34.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This set of changes are fixing various section mismatch warnings which
look to be completely valid. Primerily, those which are fixed are those
which can cause oopses by manipulation of driver binding via sysfs. For
example: calling code marked __init from driver probe __devinit
functions.
Some of these changes will be reworked at the next merge window when the
underlying reasons are sorted out. In the mean time, I think it's
important to have this fixed for correctness.
Also included in this set are fixes to various error messages in OMAP -
including making them gramatically correct, fixing a few spelling
errors, and more importantly, making them greppable by unwrapping them.
Tony Lindgren has acked all these patches, put them out for testing a
week ago, and I've tested them on the platforms I have.
* 'omap-fixes-warnings' of git://git.linaro.org/people/rmk/linux-arm:
ARM: omap: resolve nebulous 'Error setting wl12xx data'
ARM: omap: fix wrapped error messages in omap_hwmod.c
ARM: omap: fix section mismatch warnings in mux.c caused by hsmmc.c
ARM: omap: fix section mismatch warning for sdp3430_twl_gpio_setup()
ARM: omap: fix section mismatch error for omap_4430sdp_display_init()
ARM: omap: fix section mismatch warning for omap_secondary_startup()
ARM: omap: preemptively fix section mismatch in omap4_sdp4430_wifi_mux_init()
ARM: omap: fix section mismatch warning in mux.c
ARM: omap: fix section mismatch errors in TWL PMIC driver
ARM: omap: fix uninformative vc/i2c configuration error message
ARM: omap: fix vc.c PMIC error message
ARM: omap: fix prm44xx.c OMAP44XX_IRQ_PRCM build error
WARNING: drivers/mfd/built-in.o(.devinit.text+0x258): Section mismatch in reference from the function twl_probe() to the function .init.text:twl4030_power_init()
The function __devinit twl_probe() references
a function __init twl4030_power_init().
If twl4030_power_init is only used by twl_probe then
annotate twl4030_power_init with a matching annotation.
twl4030_power_init() references other __init marked functions, so
these too must become __devinit.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
In commit aeb5032b3f, a dependency on IRQ_DOMAIN was added, which causes
regressions on previously working setups: a previously working non-DT
kernel configuration now loses its PMIC support. The lack of PMIC
support in turn causes the loss of other functionality the kernel had.
This dependency was added because the driver now registers its
interrupts with the IRQ domain code, presumably to prevent a build error.
The result is that OMAP3 oopses in the vp.c code (fixed by a previous
commit) due to the lack of PMIC support.
However, even with IRQ_DOMAIN enabled, the driver oopses:
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 5 [#1] SMP
Modules linked in:
CPU: 1 Not tainted (3.3.0-rc2+ #271)
PC is at irq_domain_add+0x1c/0x134
LR is at twl_probe+0xd0/0x370
pc : [<c007bad0>] lr : [<c029baac>] psr: 00000113
sp : df843c48 ip : df843c68 fp : df843c64
r10: c02b93e4 r9 : 00000000 r8 : c029b9dc
r7 : df9d8a00 r6 : c03bef90 r5 : 00000000 r4 : c03f5240
r3 : 00000000 r2 : c03f5240 r1 : 00000015 r0 : c03f5240
Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c5387d Table: 8000404a DAC: 00000015
Process swapper/0 (pid: 1, stack limit = 0xdf8422f0)
Stack: (0xdf843c48 to 0xdf844000)
3c40: 00000014 00000170 00000014 c03bef90 df843c9c df843c68
3c60: c029baac c007bac0 00000000 df9d8a20 00000001 c03cd238 c02b93e4 df9d8a20
3c80: df9d8a04 df9d8a00 c029b9dc df8cae08 df843cc4 df843ca0 c01eee70 c029b9e8
...
Backtrace:
[<c007bab4>] (irq_domain_add+0x0/0x134) from [<c029baac>] (twl_probe+0xd0/0x370)
r6:c03bef90 r5:00000014 r4:00000170
[<c029b9dc>] (twl_probe+0x0/0x370) from [<c01eee70>] (i2c_device_probe+0xb0/0xe4)
[<c01eedc0>] (i2c_device_probe+0x0/0xe4) from [<c01d1f34>] (really_probe+0xa0/0x178)
r8:df8f0070 r7:c03cd238 r6:df9d8a20 r5:df9d8a20 r4:df9d8a20
[<c01d1e94>] (really_probe+0x0/0x178) from [<c01d205c>] (driver_probe_device+0x50/0x68)
r7:df843d18 r6:df9d8a20 r5:c03cd238 r4:df9d8a20
[<c01d200c>] (driver_probe_device+0x0/0x68) from [<c01d2148>] (__device_attach+0x44/0x48)
r5:df9d8a20 r4:c03cd238
[<c01d2104>] (__device_attach+0x0/0x48) from [<c01d0840>] (bus_for_each_drv+0x58/0x98)
r5:c01d2104 r4:00000000
[<c01d07e8>] (bus_for_each_drv+0x0/0x98) from [<c01d21f8>] (device_attach+0x80/0xac)
r7:df9d8a28 r6:df9d8a54 r5:c03cd978 r4:df9d8a20
[<c01d2178>] (device_attach+0x0/0xac) from [<c01d1430>] (bus_probe_device+0x34/0xa4)
r6:df9d8a20 r5:c03cd978 r4:df9d8a20
[<c01d13fc>] (bus_probe_device+0x0/0xa4) from [<c01cffb0>] (device_add+0x2a0/0x420)
r6:00000000 r5:df9d8a20 r4:df9d8a20
[<c01cfd10>] (device_add+0x0/0x420) from [<c01d0150>] (device_register+0x20/0x24)
r8:df9d8a00 r7:df9d8a04 r6:df8f0048 r5:df9d8a00 r4:df9d8a20
[<c01d0130>] (device_register+0x0/0x24) from [<c01ef8d4>] (i2c_new_device+0x118/0x180)
r4:df9d8a20
[<c01ef7bc>] (i2c_new_device+0x0/0x180) from [<c01efc88>] (i2c_register_adapter+0x140/0x204)
r8:c03cd970 r7:00000000 r6:df8f0070 r5:df8a6300 r4:df8f0048
[<c01efb48>] (i2c_register_adapter+0x0/0x204) from [<c01efe9c>] (i2c_add_numbered_adapter+0xb4/0xcc)
r8:df8a4c54 r7:df8cae00 r6:df843e2c r5:df8f0048 r4:00000000
[<c01efde8>] (i2c_add_numbered_adapter+0x0/0xcc) from [<c029ce1c>] (omap_i2c_probe+0x2f8/0x3b4)
r6:00000000 r5:df8f0000 r4:df8f0070
[<c029cb24>] (omap_i2c_probe+0x0/0x3b4) from [<c01d3484>] (platform_drv_probe+0x20/0x24)
[<c01d3464>] (platform_drv_probe+0x0/0x24) from [<c01d1f34>] (really_probe+0xa0/0x178)
[<c01d1e94>] (really_probe+0x0/0x178) from [<c01d205c>] (driver_probe_device+0x50/0x68)
r7:df843ef0 r6:c03cdb2c r5:c03cdb2c r4:df8cae08
[<c01d200c>] (driver_probe_device+0x0/0x68) from [<c01d20e0>] (__driver_attach+0x6c/0x90)
r5:df8cae3c r4:df8cae08
[<c01d2074>] (__driver_attach+0x0/0x90) from [<c01d08d8>] (bus_for_each_dev+0x58/0x98)
r6:c03cdb2c r5:c01d2074 r4:00000000
[<c01d0880>] (bus_for_each_dev+0x0/0x98) from [<c01d1d80>] (driver_attach+0x20/0x28)
r7:df880b80 r6:c03cdb2c r5:c03cdb2c r4:c0394f28
[<c01d1d60>] (driver_attach+0x0/0x28) from [<c01d115c>] (bus_add_driver+0xb4/0x230)
[<c01d10a8>] (bus_add_driver+0x0/0x230) from [<c01d278c>] (driver_register+0xc8/0x154)
[<c01d26c4>] (driver_register+0x0/0x154) from [<c01d37e4>] (platform_driver_register+0x4c/0x60)
r8:00000000 r7:00000013 r6:c00384c8 r5:c0395180 r4:c0394f28
[<c01d3798>] (platform_driver_register+0x0/0x60) from [<c038626c>] (omap_i2c_init_driver+0x14/0x1c)
[<c0386258>] (omap_i2c_init_driver+0x0/0x1c) from [<c00087b8>] (do_one_initcall+0x9c/0x164)
[<c000871c>] (do_one_initcall+0x0/0x164) from [<c036c2f4>] (kernel_init+0x90/0x138)
[<c036c264>] (kernel_init+0x0/0x138) from [<c00384c8>] (do_exit+0x0/0x2ec)
r5:c036c264 r4:00000000
<0>Code: e24dd004 e5903014 e1a04000 e5905010 (e5933000)
<4>---[ end trace 1b75b31a2719ed1c ]---
This happens because we try to register an IRQ domain with a NULL ops
structure, and the first thing irq_domain_add() does is try to
dereference this ops structure.
So, fix the problem by getting rid of the incorrect OF_IRQ ifdef and
wrapping the IRQ domain bits of the driver with an IRQ_DOMAIN ifdef
instead.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
As 'make versioncheck' so nicely points out, there's no need for
drivers/mfd/ab5500-core.c to #include the linux/version.h header.
This patch removes the pointless include.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Do not reconfigure the PLL in case it has been configured already
with the requested parameters.
In case of different PLL configuration do only the needed changes.
This can save considerable amount of time since we can avoid the
defined protocol (with delays) for the PLL configuration.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Store the last used mclk configuration for the PLL.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This has been deprecated for considerable time now and support has been
removed from the regulator API. dev_name should be used instead.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
If the ucb1x00 touchscreen is resumed while the touchscreen is being
touched, the main thread stops responding. This occurs because two
things happen:
1. When we suspended, we were woken up, and executed the loop.
Finding that the touchscreen was not pressed, we prepare to
schedule for a maximum timeout, before being stopped in
try_to_freeze().
2. an irq occurs, we disable the irq, and mark it as disabled,
and wake the thread. This wake occurs while the thread is
still within __refrigerator()
3. The thread is unfrozen, and __refrigerator() sets the threads
state back to INTERRUPTIBLE.
We then drop into schedule_timeout() with an infinite timeout and the
IRQ disabled. This prevents any further screen touches activating
the thread.
Fix this by using kthread_freezable_should_stop() which handles the
freezing issues for us outside of the hotspot where the task state
matters. Include a flag to ignore the touchscreen until it is
released to avoid sending unintended data to the application.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
gpiolib drivers should first set the output data before setting the
direction to avoid putting glitches on an output signal. As an
additional bonus, we tweak the code to avoid unnecessary register
writes to the output and direction registers if they have no need
to be updated.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
We were not restoring the UCB1x00 gpio output data on resume, resulting
in incorrect GPIO output data after a resume. Add the missing register
write.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The genirq layer complains if an interrupt handler returns with
interrupts enabled. The UCB1x00 handler does just this, because
ucb1x00_enable() calls mcp_enable(), which uses spin_lock_irq()
rather than spin_lock_irqsave(). Convert this, and the divisor
setting functions to use spin_lock_irqsave().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This reverts commit 5dd7bf59e0.
Conflicts:
scripts/mod/file2alias.c
This change is wrong on many levels. First and foremost, it causes a
regression. On boot on Assabet, which this patch gives a codec id of
'ucb1x00', it gives:
ucb1x00 ID not found: 1005
0x1005 is a valid ID for the UCB1300 device.
Secondly, this patch is way over the top in terms of complexity. The
only device which has been seen to be connected with this MCP code is
the UCB1x00 (UCB1200, UCB1300 etc) devices, and they all use the same
driver. Adding a match table, requiring the codec string to match the
hardware ID read out of the ID register, etc is completely over the top
when we can just read the hardware ID register.
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Merge tag 'for-linus' of git://github.com/rustyrussell/linux
Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
* tag 'for-linus' of git://github.com/rustyrussell/linux:
module_param: check that bool parameters really are bool.
intelfbdrv.c: bailearly is an int module_param
paride/pcd: fix bool verbose module parameter.
module_param: make bool parameters really bool (drivers & misc)
module_param: make bool parameters really bool (arch)
module_param: make bool parameters really bool (core code)
kernel/async: remove redundant declaration.
printk: fix unnecessary module_param_name.
lirc_parallel: fix module parameter description.
module_param: avoid bool abuse, add bint for special cases.
module_param: check type correctness for module_param_array
modpost: use linker section to generate table.
modpost: use a table rather than a giant if/else statement.
modules: sysfs - export: taint, coresize, initsize
kernel/params: replace DEBUGP with pr_debug
module: replace DEBUGP with pr_debug
module: struct module_ref should contains long fields
module: Fix performance regression on modules with large symbol tables
module: Add comments describing how the "strmap" logic works
Fix up conflicts in scripts/mod/file2alias.c due to the new linker-
generated table approach to adding __mod_*_device_table entries. The
ARM sa11x0 mcp bus needed to be converted to that too.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (59 commits)
rtc: max8925: Add function to work as wakeup source
mfd: Add pm ops to max8925
mfd: Convert aat2870 to dev_pm_ops
mfd: Still check other interrupts if we get a wm831x touchscreen IRQ
mfd: Introduce missing kfree in 88pm860x probe routine
mfd: Add S5M series configuration
mfd: Add s5m series irq driver
mfd: Add S5M core driver
mfd: Improve mc13xxx dt binding document
mfd: Fix stmpe section mismatch
mfd: Fix stmpe build warning
mfd: Fix STMPE I2c build failure
mfd: Constify aat2870-core i2c_device_id table
gpio: Add support for stmpe variant 801
mfd: Add support for stmpe variant 801
mfd: Add support for stmpe variant 610
mfd: Add support for STMPE SPI interface
mfd: Separate out STMPE controller and interface specific code
misc: Remove max8997-muic sysfs attributes
mfd: Remove unused wm831x_irq_data_to_mask_reg()
...
Fix up trivial conflict in drivers/leds/Kconfig due to addition of
LEDS_MAX8997 and LEDS_TCA6507 next to each other.
module_param_array(), unlike its non-array cousins, didn't check the type
of the variable. Fixing this found two bugs.
Cc: Luca Risolia <luca.risolia@studio.unibo.it>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Cc: linux-media@vger.kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (526 commits)
ASoC: twl6040 - Add method to query optimum PDM_DL1 gain
ALSA: hda - Fix the lost power-setup of seconary pins after PM resume
ALSA: usb-audio: add Yamaha MOX6/MOX8 support
ALSA: virtuoso: add S/PDIF input support for all Xonars
ALSA: ice1724 - Support for ooAoo SQ210a
ALSA: ice1724 - Allow card info based on model only
ALSA: ice1724 - Create capture pcm only for ADC-enabled configurations
ALSA: hdspm - Provide unique driver id based on card serial
ASoC: Dynamically allocate the rtd device for a non-empty release()
ASoC: Fix recursive dependency due to select ATMEL_SSC in SND_ATMEL_SOC_SSC
ALSA: hda - Fix the detection of "Loopback Mixing" control for VIA codecs
ALSA: hda - Return the error from get_wcaps_type() for invalid NIDs
ALSA: hda - Use auto-parser for HP laptops with cx20459 codec
ALSA: asihpi - Fix potential Oops in snd_asihpi_cmode_info()
ALSA: hdsp - Fix potential Oops in snd_hdsp_info_pref_sync_ref()
ALSA: hda/cirrus - support for iMac12,2 model
ASoC: cx20442: add bias control over a platform provided regulator
ALSA: usb-audio - Avoid flood of frame-active debug messages
ALSA: snd-usb-us122l: Delete calls to preempt_disable
mfd: Put WM8994 into cache only mode when suspending
...
Fix up trivial conflicts in:
- arch/arm/mach-s3c64xx/mach-crag6410.c:
renamed speyside_wm8962 to tobermory, added littlemill right
next to it
- drivers/base/regmap/{regcache.c,regmap.c}:
duplicate diff that had already come in with other changes in
the regmap tree
* git://git.infradead.org/battery-2.6: (68 commits)
power_supply: Mark da9052 driver as broken
power_supply: Drop usage of nowarn variant of sysfs_create_link()
s3c_adc_battery: Average over more than one adc sample
power_supply: Add DA9052 battery driver
isp1704_charger: Fix missing check
jz4740-battery: Fix signedness bug
power_supply: Assume mains power by default
sbs-battery: Fix devicetree match table
ARM: rx51: Add bq27200 i2c board info
sbs-battery: Change power supply name
devicetree-bindings: Propagate bq20z75->sbs rename to dt bindings
devicetree-bindings: Add vendor entry for Smart Battery Systems
sbs-battery: Rename internals to new name
bq20z75: Rename to sbs-battery
wm97xx_battery: Use DEFINE_MUTEX() for work_lock
max8997_charger: Remove duplicate module.h
lp8727_charger: Some minor fixes for the header
lp8727_charger: Add header file
power_supply: Convert drivers/power/* to use module_platform_driver()
power_supply: Add "unknown" in power supply type
...
Linus Torvalds