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Based on earlier discussions[1] we attempted to find a suitable
location for the omap DMA header in commit 2b6c4e73 (ARM: OMAP:
DMA: Move plat/dma.h to plat-omap/dma-omap.h) until the conversion
to dmaengine is complete.
Unfortunately that was before I was able to try to test compile
of the ARM multiplatform builds for omap2+, and the end result
was not very good.
So I'm creating yet another all over the place patch to cut the
last dependency for building omap2+ for ARM multiplatform. After
this, we have finally removed the driver dependencies to the
arch/arm code, except for few drivers that are being worked on.
The other option was to make the <plat-omap/dma-omap.h> path
to work, but we'd have to add some new header directory to for
multiplatform builds.
Or we would have to manually include arch/arm/plat-omap/include
again from arch/arm/Makefile for omap2+.
Neither of these alternatives sound appealing as they will
likely lead addition of various other headers exposed to the
drivers, which we want to avoid for the multiplatform kernels.
Since we already have a minimal include/linux/omap-dma.h,
let's just use that instead and add a note to it to not
use the custom omap DMA functions any longer where possible.
Note that converting omap DMA to dmaengine depends on
dmaengine supporting automatically incrementing the FIFO
address at the device end, and converting all the remaining
legacy drivers. So it's going to be few more merge windows.
[1] https://patchwork.kernel.org/patch/1519591/#
cc: Russell King <linux@arm.linux.org.uk>
cc: Kevin Hilman <khilman@ti.com>
cc: "Benoît Cousson" <b-cousson@ti.com>
cc: Herbert Xu <herbert@gondor.apana.org.au>
cc: "David S. Miller" <davem@davemloft.net>
cc: Vinod Koul <vinod.koul@intel.com>
cc: Dan Williams <djbw@fb.com>
cc: Mauro Carvalho Chehab <mchehab@infradead.org>
cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
cc: David Woodhouse <dwmw2@infradead.org>
cc: Kyungmin Park <kyungmin.park@samsung.com>
cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
cc: Hans Verkuil <hans.verkuil@cisco.com>
cc: Vaibhav Hiremath <hvaibhav@ti.com>
cc: Lokesh Vutla <lokeshvutla@ti.com>
cc: Rusty Russell <rusty@rustcorp.com.au>
cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
cc: Afzal Mohammed <afzal@ti.com>
cc: linux-crypto@vger.kernel.org
cc: linux-media@vger.kernel.org
cc: linux-mtd@lists.infradead.org
cc: linux-usb@vger.kernel.org
cc: linux-fbdev@vger.kernel.org
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We cannot include any plat or mach headers for the multiplatform
support.
Fix the issue by defining local mcbsp_omap1().
cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
cc: Liam Girdwood <lrg@ti.com>
cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
cc: Jaroslav Kysela <perex@perex.cz>
cc: Takashi Iwai <tiwai@suse.de>
cc: alsa-devel@alsa-project.org
Acked-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Recent changes to the omap_wdt.c removed the dependencies to
the core omap code, but forgot to remove mach/hardware.h.
We cannot include any plat headers with multiplatform
support enabled.
cc: Wim Van Sebroeck <wim@iguana.be>
cc: linux-watchdog@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
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omap-for-v3.8/cleanup-headers-prepare-multiplatform-v3
omap prcm changes via Paul Walmsley <paul@pwsan.com>:
Some miscellaneous OMAP hwmod changes for 3.8, along with a PRM
change needed for one of the hwmod patches to function.
Basic test logs for this branch on top of Tony's
omap-for-v3.8/clock branch at commit
558a0780b0a04862a678f7823215424b4e5501f9 are here:
http://www.pwsan.com/omap/testlogs/hwmod_devel_a_3.8/20121121161522/
However, omap-for-v3.8/clock at 558a0780 does not include some fixes
that are needed for a successful test. With several reverts,
fixes, and workarounds applied, the following test logs were
obtained:
http://www.pwsan.com/omap/testlogs/TEST_hwmod_devel_a_3.8/20121121162719/
which indicate that the series tests cleanly.
Conflicts:
arch/arm/mach-omap2/cm33xx.c
arch/arm/mach-omap2/io.c
arch/arm/mach-omap2/prm_common.c
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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The function rb_check_pages() was added to make sure the ring buffer's
pages were sane. This check is done when the ring buffer size is modified
as well as when the iterator is released (closing the "trace" file),
as that was considered a non fast path and a good place to do a sanity
check.
The problem is that the check does not have any locks around it.
If one process were to read the trace file, and another were to read
the raw binary file, the check could happen while the reader is reading
the file.
The issues with this is that the check requires to clear the HEAD page
before doing the full check and it restores it afterward. But readers
require the HEAD page to exist before it can read the buffer, otherwise
it gives a nasty warning and disables the buffer.
By adding the reader lock around the check, this keeps the race from
happening.
Cc: stable@vger.kernel.org # 3.6
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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The function rb_set_head_page() searches the list of ring buffer
pages for a the page that has the HEAD page flag set. If it does
not find it, it will do a WARN_ON(), disable the ring buffer and
return NULL, as this should never happen.
But if this bug happens to happen, not all callers of this function
can handle a NULL pointer being returned from it. That needs to be
fixed.
Cc: stable@vger.kernel.org # 3.0+
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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If everything goes right, it shouldn't really matter if we are spitting
this warning after css_alloc or css_online. If we fail between then,
there are some ill cases where we would previously see the message and
now we won't (like if the files fail to be created).
I believe it really shouldn't matter: this message is intended in spirit
to be shown when creation succeeds, but with insane settings.
Signed-off-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Remove duplicated include.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Remove duplicated include.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Smatch complains that snprintf() returns the number of characters,
not counting the NUL terminator, which *would* have been printed if
there were enough space. In other words the return value could be more
than sizeof(buf).
In this case, we are printing something like "ff.ff\n" which is at most
6 characters and a NUL so that's not an issue. I changed snprintf() to
scnprintf() to silence the warning.
But since the buffer doesn't include space for the NUL terminator, we
need to make it bigger or the "\n" will be truncated off.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-By: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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It's slightly cleaner to use kstrtouint() because we pass unsigned ints
to adis16136_set_freq(). On 64 bit systems, if the user passed LONG_MIN
then it we would get past the test against zero but crash in
adis16136_set_freq() because we truncate the high bits away.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-By: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Add support for reading conversion results from the ADC and provide them
through a single IIO channel. A proper scaling factor is also exported
based on the reference voltage provided by a regulator.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The ad7796 and ad7797 are similar to the ad7792 and ad7793 but only have a
single differential input instead of two. Also some other features are missing
like the programmable gain amplifier and also not all sampling frequencies
supported by the ad7792/ad7793 are supported by the ad7796/ad7797. This patch
adds new feature flags for the features not present in the ad7796/ad7797. The
patch also adds a struct iio_info field to the chip_info struct, this becomes
necessary since the ad7796/ad7797 needs a special set of sysfs attributes.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The ad7798 and ad7799 are similar to the ad7792 and ad7793 but are missing some
features like the temperature sensor, being able to use an external clocksource
and a few other things. This patch adds a new 'flags' fields to the chip_info
struct which allows to specify which features a certain chip variant supports.
The setup code will then ignore any platform data fields which are related to
non supported features.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The driver does not expose any custom API to userspace and none of the standard
static code checker tools report any issues, so move it out of staging.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Instead of checking whether the id of the current device matches the id of any
device supported by the driver, check whether it matches the id of the device
which the driver was instantiated for. This makes sure that the driver is not
accidentally instantiated for the wrong device.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The only user of the register definitions is the driver itself, so move them
from the header file to the driver source file. The header file now only
contains the platform data struct.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Rework the regulator handling of the driver to match more closely what we do in
other drivers. Make the regulator non-optional if a external reference is used.
Also dispose the option of specifying the reference voltage via platform data.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Currently the platform data for the ad7793 consist just out of the raw default
register settings. This has some downsides, for one we actually don't want to
make all bits configurable and secondly not all register settings are actually
valid. This patch exposes all the options which should be configurable via
platform data as induvidual platform data struct fields. This also allows us to
document the different settings via proper kernel doc.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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strict_strtol is deprecated in favor of kstrtol.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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It is recommended to use usleep_range instead of msleep for durations smaller
than a 20ms.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The temperature scale was off by a factor of 1000.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The VDD monitor scale was off by a factor of 10.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a BSS struct is updated, the IEs are currently
overwritten or freed. This can lead to races if some
other CPU is accessing the BSS struct and using the
IEs concurrently.
Fix this by always allocating the IEs in a new struct
that holds the data and length and protecting access
to this new struct with RCU.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Instead of allocating a temporary buffer to build IEs
build them right into the SKB.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Instead of assuming 200 bytes are always enough for
all the IEs we add, give the length of the buffer
to the function and warn instead of overrunning.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The cmp_bss() comparator function uses memcmp() to
compare the SSID. This means that cmp_hidden_bss()
needs to similarly return a number bigger than zero
(use 1) instead of -1 when ie1 is bigger than ie2,
which is the case if an ie2 byte is non-zero.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Fix a number of indentation and similar issues.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's no need to stop the machine, just leak
the BSS entry if there's an issue with its hold
counter when freeing.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This change allows userspace to register for probe request
frames on an IBSS interface. Userspace then has to handle
them and send replies.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The pppoatm_may_send() is quite heavy and it's called three times
in pppoatm_send() and inlining costs more than 200 bytes of code
(more than 10% of total pppoatm driver code size).
add/remove: 1/0 grow/shrink: 0/1 up/down: 132/-367 (-235)
function old new delta
pppoatm_may_send - 132 +132
pppoatm_send 900 533 -367
Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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The vcc_destroy_socket() closes vcc before the protocol is detached
from vcc by calling vcc->push() with NULL skb. This leaves some time
window, where the protocol may call vcc->send() on closed vcc
and crash.
Now pppoatm_send(), like vcc_sendmsg(), checks for vcc flags that
indicate that vcc is not ready. If the vcc is not ready we just
drop frame. Queueing frames is much more complicated because we
don't have callbacks that inform us about vcc flags changes.
Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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During resume from system suspend the 'data' field of
struct pnp_dev in pnpacpi_set_resources() may be a stale pointer,
due to removal of the associated ACPI device node object in the
previous suspend-resume cycle. This happens, for example, if a
dockable machine is booted in the docking station and then suspended
and resumed and suspended again. If that happens,
pnpacpi_build_resource_template() called from pnpacpi_set_resources()
attempts to use that pointer and crashes.
However, pnpacpi_set_resources() actually checks the device's ACPI
handle, attempts to find the ACPI device node object attached to it
and returns an error code if that fails, so in fact it knows what the
correct value of dev->data should be. Use this observation to update
dev->data with the correct value if necessary and dump a call trace
if that's the case (once).
We still need to fix the root cause of this issue, but preventing
systems from crashing because of it is an improvement too.
Reported-and-tested-by: Zdenek Kabelac <zdenek.kabelac@gmail.com>
References: https://bugzilla.kernel.org/show_bug.cgi?id=51071
Cc: <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The ACPI video driver can't control backlight correctly on
Asus UL30VT. Vendor driver (asus-laptop) can work. This patch is to
add "Asus UL30VT" to ACPI video detect blacklist in order to use
asus-laptop for video control on the "Asus UL30VT" rather than ACPI
video driver.
References: https://bugzilla.kernel.org/show_bug.cgi?id=32592
Reported-by: Alex Williamson <alex.williamson@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The current acpisleep DMI checks only run when CONFIG_SUSPEND is set.
And this may break hibernation on some platforms when CONFIG_SUSPEND
is cleared.
Move acpisleep DMI check into #ifdef CONFIG_ACPI_SLEEP instead.
[rjw: Added acpi_sleep_dmi_check() and rebased on top of earlier
patches adding entries to acpisleep_dmi_table[].]
References: https://bugzilla.kernel.org/show_bug.cgi?id=45921
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Currently the mesh sync code checks, whether peers indicate TBTT adjustment,
but it never sets the corresponding flag itself.
By setting ifmsh->tbtt_adjusting to true, it will set the corresponding field
in the mesh configuration IE of own beacons.
This indication will be set in the current beacon. The TBTT adjustment will be
performed afterwards, affecting the next beacon. Thus, the first beacon with
stable TBTT will not indicate adjustment anymore and peers will continue
tracking the new offset.
Signed-off-by: Marco Porsch <marco.porsch@etit.tu-chemnitz.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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* acpi-enumeration:
spi / ACPI: add ACPI enumeration support
gpio / ACPI: add ACPI support
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ACPI 5 introduced SPISerialBus resource that allows us to enumerate and
configure the SPI slave devices behind the SPI controller. This patch adds
support for this to the SPI core.
In addition we bind ACPI nodes to SPI devices. This makes it possible for
the slave drivers to get the ACPI handle for further configuration.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add support for translating ACPI GPIO pin numbers to Linux GPIO API pins.
Needs a gpio controller driver with the acpi handler hook set.
Drivers can use acpi_get_gpio() to translate ACPI5 GpioIO and GpioInt
resources to Linux GPIO's.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Since 3ab524754 (gpio: pl061: convert to use generic irq chip) we only have one
spinlock in struct pl061_gpio.
Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Signed-off-by: Takashi Iwai <tiwai@suse.de>
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ERROR: "allnodes" [drivers/w1/masters/w1-gpio.ko] undefined!
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
[grant.likely: allnodes is too generic; rename to of_allnodes]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Ville Syrjala <syrjala@sci.fi>
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Allocate the name string and assign the structure in
alc_kcontrol_new() itself to reduce the code.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Just refactoring, no functional changes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The ETH_P_BATMAN ethertype is now defined kernel-wide. Use it instead
of the private BATADV_ETH_P_BATMAN define.
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
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In the simple irqdomain: don't shout warnings to the user,
there is no point. An informational print is sufficient.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Fix 32 vs 32k typo:
arch/arm/mach-omap2/timer.c: In function 'omap4_local_timer_init':
arch/arm/mach-omap2/timer.c:633:2: error: implicit declaration of function 'omap4_sync32_timer_init' [-Werror=implicit-function-declaration]
arch/arm/mach-omap2/timer.c: At top level:
arch/arm/mach-omap2/timer.c:610:2: warning: 'omap4_sync32k_timer_init' defined but not used [-Wunused-function]
Also, mark the omap4_local_timer_init() stub as __init (and take off
the explicit inline and let the compiler do the work instead).
Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm2
From Tony Lindgren:
omap prcm changes via Paul Walmsley <paul@pwsan.com>:
Some miscellaneous OMAP hwmod changes for 3.8, along with a PRM
change needed for one of the hwmod patches to function.
Basic test logs for this branch on top of Tony's
omap-for-v3.8/clock branch at commit
558a0780b0a04862a678f7823215424b4e5501f9 are here:
http://www.pwsan.com/omap/testlogs/hwmod_devel_a_3.8/20121121161522/
However, omap-for-v3.8/clock at 558a0780 does not include some fixes
that are needed for a successful test. With several reverts,
fixes, and workarounds applied, the following test logs were
obtained:
http://www.pwsan.com/omap/testlogs/TEST_hwmod_devel_a_3.8/20121121162719/
which indicate that the series tests cleanly.
* tag 'omap-for-v3.8/devel-prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (49 commits)
ARM: OMAP2+: omap_device: Correct resource handling for DT boot
ARM: OMAP2+: hwmod: Add possibility to count hwmod resources based on type
ARM: OMAP2+: hwmod: Add support for per hwmod/module context lost count
ARM: OMAP2+: PRM: initialize some PRM functions early
ARM: OMAP2+: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP2xxx: clock: drop obsolete clock data
ARM: OMAP2: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP3+: DPLL: drop !CONFIG_COMMON_CLK sections
ARM: AM33xx: clock: drop obsolete clock data
ARM: OMAP3xxx: clk: drop obsolete clock data
ARM: OMAP3: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP44xx: clock: drop obsolete clock data
ARM: OMAP4: clock: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP: hwmod: Cleanup !CONFIG_COMMON_CLK parts
ARM: OMAP: clock: Switch to COMMON clk
ARM: OMAP2: clock: Add 24xx data using common struct clk
ARM: OMAP3: clock: Add 3xxx data using common struct clk
ARM: AM33XX: clock: add clock data in common clock format
ARM: OMAP4: clock: Add 44xx data using common struct clk
ARM: OMAP2+: clock: add OMAP CCF convenience macros to mach-omap2/clock.h
...
Some context conflicts due to nearby changes resolved in
arch/arm/mach-omap2/io.c.
Signed-off-by: Olof Johansson <olof@lixom.net>
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