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When CONFIG_CMDLINE_FORCE is used, the warning
Ignoring unrecognised tag 0x54410009
was displayed. Change this to
Ignoring tag cmdline (using the default kernel command line)
Signed-off-by: Alexander Holler <holler@ahsoftware.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add watchdog driver for MCF548x.
Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This patch adds a driver for the built-in hardware watchdog device
of the Atheros AR71XX/AR724X/AR913X SoCs.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This driver adds support for /dev/watchdog for boards using either the MCP51 or
MCP55 chipsets. These are also known as the nForce 430 and nForce 550. This
driver is likely to work on other chipsets as well, though those are the only
two that have been tested.
Signed-off-by: Mike Waychison <mikew@google.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This driver adds /dev/watchdog support for the AMD sp5100 aka SB7x0 chipsets.
It follows the same conventions found in other /dev/watchdog drivers.
Signed-off-by: Priyanka Gupta <priyankag@google.com>
Signed-off-by: Mike Waychison <mikew@google.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Update Kconfig with the additional Fintek hardware that we support.
Signed-off-by: Lutz Ballaschke <vegan.grindcore@googlemail.com>
Acked-by: Giel van Schijndel <me@mortis.eu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add support for dynamical allocation of imx-keypad on mx5 platform.
After moving to dynamically registration of the keypad, the keypad clock
name needs to change accordingly.
The reason is that the original mx5 keypad platform_device id was 0,
now we use id=-1 as per arch/arm/plat-mxc/devices/platform-imx-keypad.c.
Tested keypad successfully on a MX51_3DS board.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The mxs duart is actually an amba-pl011 device. This commit changes
the duart device code to dynamically allocate amba-pl011 device,
so that drivers/serial/amba-pl011.c can be used on mxs.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6 into topic/asoc
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Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: John Stultz <johnstul@us.ibm.com>
LKML-Reference: <0D753D10438DA54287A00B027084269764CE0E54B7@AUSP01VMBX24.collaborationhost.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The minsec argument to clocks_calc_mult_shift() is misnamed. It is used
to clamp the magnitude of the mult factor so that a multiplication with
any value in the given range won't overflow a 64 bit result. Let's
rename it to match the actual usage.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: John Stultz <johnstul@us.ibm.com>
LKML-Reference: <alpine.LFD.2.00.1101111207140.17086@xanadu.home>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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As pointed out by Linus CONFIG_X86 in drivers/acpi/numa.c is
ugly.
Builds and boots on ia64 (both normally and with maxcpus=8 to limit
the number of cpus).
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Len Brown <len.brown@intel.com>
LKML-Reference: <4D2D6B5D.4080208@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This patch adds the DeviceIDs for TCO Watchdog on the Intel DH89xxCC PCH.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This patch adds the Intel NM10 DeviceIDs for iTCO Watchdog.
Reported-by: Dan Weinlader <dan@weinlader.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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ks8695_wdt needs KS8695_CLOCK_RATE, which is defined in
mach/hardware.h, which is pulled in by the include of mach/timex.h,
but the latter is going away, so just include mach/hardware.h
directly.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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When the watchdog period is changed, it needs to be propagated to all cores
in addition to the core that performed the change.
Signed-off-by: Randy Vinson <rvinson@mvista.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Normally, the watchdog is disabled when dev/watchdog is closed, but if
CONFIG_WATCHDOG_NOWAYOUT is defined, then it means that the watchdog should
remain enabled. So we should disable it only if CONFIG_WATCHDOG_NOWAYOUT is
not defined.
Also ensure that /dev/watchdog is only opened by one process at a time. That
way, a second process can't accidentally disable the watchdog while the first
process has it open. There shouldn't be any need for more than one process to
open /dev/watchdog anyway.
Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Annotate alim7101_pci_tbl as '__used' to fix following warning:
CC drivers/watchdog/alim7101_wdt.o
drivers/watchdog/alim7101_wdt.c:433: warning: ‘alim7101_pci_tbl’ defined but not used
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Annotate ali_pci_tbl as '__used' to fix following warning:
CC drivers/watchdog/alim1535_wdt.o
drivers/watchdog/alim1535_wdt.c:304: warning: ‘ali_pci_tbl’ defined but not used
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The watchdog driver for the SUPERIO chip winbond w83627ehf does not work.
If you open /dev/watchdog and write a character to /dev/watchdog then
the watchdog will be triggered. However the watchdog will not trigger
the hardware RESET after the timeout, because the watchdog has never been
enabled.
Signed-off-by: Herman Morsink Vollenbroek <h.morsinkvollenbroek@home.nl>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The following adds watchdog support for the Winbond W83627DHG chip.
I have tested it on a PQ7-M102XL (Intel Atom) board.
Signed-off-by: Benny Lønstrup Ammitzbøll <benny@ammitzboell-consult.dk>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add Fintek f71869 as a supported watchdog device.
Signed-off-by: Michel Arboi <michel@arboi.fr.eu.org>
Acked-by: Giel van Schijndel <me@mortis.eu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Watchdog support for Fintek F71862fg Super-I/O added.
Two different hardware reset pins of the F71862fg chip can be configured
by an additional module parameter.
Signed-off-by: Lutz Ballaschke <vegan.grindcore@googlemail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Cleaned up and replaced some magic numbers by constants.
Signed-off-by: Lutz Ballaschke <vegan.grindcore@googlemail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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A notification event 0x81 from an ACPI battery device requires us to
re-read the battery information structure. Follow this requirement
and remove and re-create the battery's attibutes in sysfs so that
they reflect the reporting units used by the battery at the moment
(those units may actually change sometimes at run time, which happens
on some Thinkpads).
The approach used in this patch was suggested by Matthew Garrett.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The wake_capable ACPI device flag is not necessary, because it is
only used in scan.c for recording the information that _PRW is
present for the given device. That information is only used by
acpi_add_single_object() to decide whether or not to call
acpi_bus_get_wakeup_device_flags(), so the flag may be dropped
if the _PRW check is moved to acpi_bus_get_wakeup_device_flags().
Moreover, acpi_bus_get_wakeup_device_flags() always returns 0,
so it really should be void.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Before evaluating _PRW for devices that are reported as inactive or
not present by their _STA control methods we should check if those
methods are actually present (otherwise the evaulation of _PRW will
obviously fail and a scary message will be printed unnecessarily).
Reported-by: Andreas Mohr <andi@lisas.de>
Reported-by: Maciej Rutecki <maciej.rutecki@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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It certainly is not a good idea to execute _ON or _OFF and _STA
for the same power resource at the same time which may happen in
some circumstances in theory. To prevent that from happening,
read the power state of each power resource under its mutex, as
that will prevent the state from being changed at the same time.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Rename acpi_power_off_device() to acpi_power_off() in analogy with
acpi_power_on().
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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init_fpu() (which is indirectly called by the fpu switching code) assumes
it is in process context. Rather than makeing init_fpu() use an atomic
allocation, which can cause a task to be killed, make sure the fpu is
already initialized when we enter the run loop.
KVM-Stable-Tag.
Reported-and-tested-by: Kirill A. Shutemov <kas@openvz.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Since acpi_bus_set_power() should not use __acpi_bus_get_power() to
update the device's device->power.state field before changing its
power state (this may cause device->power.state to be inconsistent
with the device power resources' reference counters), remove this
call from it. In consequence, the acpi_power_nocheck variable is not
necessary any more, so it can be dropped along with the DMI table
used for setting that variable for HP Pavilion 05.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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There are no more users of acpi_bus_get_power(), so it can be
dropped. Moreover, it should be dropped, because it modifies
the device->power.state field of an ACPI device without updating
the reference counters of the device's power resources, which is
wrong.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Use the new function acpi_bus_update_power(), which is safer than
acpi_bus_get_power(), for getting device power state in
acpi_fujitsu_add() and acpi_fujitsu_hotkey_add().
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-and-Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Use the new function acpi_bus_update_power() for manipulating power
resources used by ACPI fan devices, which allows them to be put into
the right state during initialization and resume. Consequently,
remove the flags.force_power_state field from struct acpi_device,
which is not necessary any more.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Depending on the organization of the ACPI namespace, power resource
device objects may generally be scanned after the "regular" device
objects that they are referred from through _PRn. This, in turn, may
cause acpi_bus_get_power_flags() to attempt to access them through
acpi_bus_init_power() before they are registered (and initialized by
acpi_power_driver). [This is not a theoretical issue, it actually
happens for one PnP device on my testbed HP nx6325.]
To fix this problem, make acpi_bus_get_power_flags() attempt to
register power resource devices as soon as they have been found in
the _PRn output for any other devices.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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