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Merge L_PTE_COHERENT with L_PTE_SHARED and free up a L_PTE_* bit.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Create include/asm-arm/arch-ixp4xx/udc.h and
add platfrom device ixp4xx_udc_device into
arch/arm/mach-ixp4xx/common.c.
This allows us to use pxa2xx-udc on
the ixp4xx platfrom. Both pxa2xx and
ixp4xx use the same device controller.
Signed-off-by:Milan Svoboda <msvoboda@ra.rockwell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The master abort check in ixp2000_pci_read_config() recently started
failing due to the compiler optimising out the read access following
the clearing of pci_master_aborts. Mark pci_master_aborts volatile to
force the compiler to reload it on every use.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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There's no point having the Versatile PB initialisation using an
arch_initcall() and then checking whether it's running on a
Versatile PB board - this is what the .init_machine function
pointer in the machine description is for. Use it.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove ARM local cache of 4 struct thread_info.
Can cause oops under certain circumstances.
Russell indicated the original optimization was
required on older kernels to avoid thread starvation
on memory fragmentation, but may no longer be
required. I've updated the patch to 19rc4 and
ensured no <config.h> dain-bramage slipped in this
time (sorry about that).
Original description follows:
I was given some test results which pointed to an
Oops in alloc_thread_info (happened 2x), and after
looking at the code, I see that ARM has its own
local cache of 4 struct thread_info. There wasn't
any clear (to me) synchronization between the
alloc_thread_info and the free_thread_info.
I looked over the other arch, and they all simply
allocate them on an as needed basis, so I simplified
the ARM to do the same, based on the other arch
(e.g. PPC) and the folks doing the testing have
indicated that this fixed the oops.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix warnings and errors in arch/arm/mm for nommu build.
Remove commented out function prototype in pgtable-nommu.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Don't reset OSCR to zero as this prevents us from having a contiguous
time source. The value returned by sched_clock() is reset to zero in the
middle of the boot process otherwise, making CONFIG_PRINTK_TIME rather
messed up.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Don't reset OSCR to zero as this prevents us from having a contiguous
time source. The value returned by sched_clock() is reset to zero in the
middle of the boot process otherwise, making CONFIG_PRINTK_TIME rather
messed up.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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set_irq_chipdata -> set_irq_chip_data
get_irq_chipdata -> get_irq_chip_data
do_level_IRQ -> handle_level_irq
do_edge_IRQ -> handle_edge_irq
do_simple_IRQ -> handle_simple_irq
irqdesc -> irq_desc
irqchip -> irq_chip
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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DEBUG_WAITQ appears to have been removed by others, but no one
removed the configuration option from ARM. Remote it from both
Kconfig.debug and all default configurations.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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More semaphore-as-mutex to mutex conversions.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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These files want to provide/access ELF hwcap information, so should
be including asm/elf.h rather than asm/procinfo.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix an apparant hang with the "apm -s" command. We omitted to wake up
this process once resume had completed.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The APM emulation can sometimes cause suspend to fail to work due
to apparantly waiting for some process to acknowledge an event when
it actually has already done so. We re-jig the event handling to
work around this behaviour.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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smp_call_function() will be used with the MP/core oprofile support
patch. Export it as _GPL.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Eliminate two warnings:
kernel/power/pm.c:205: warning: 'pm_register' is deprecated (declared at kernel/power/pm.c:64)
kernel/power/pm.c:206: warning: 'pm_send_all' is deprecated (declared at kernel/power/pm.c:180)
by updating defconfig files to contain a sensible PM_LEGACY default.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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/*
* Note: Drivers should NOT use this function directly, as it will break
* platforms with CONFIG_DMABOUNCE.
* Use the driver DMA support - see dma-mapping.h (dma_sync_*)
*/
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove two warnings:
drivers/serial/8250_early.c:136: warning: unused variable 'mapsize'
include/linux/io.h:47: warning: passing argument 1 of '__readb' discards qualifiers from pointer target type
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ARM doesn't source drivers/Kconfig like most architectures do, so the
newly added drivers/ata is currently not made available on ARM. SATA
is used on some ARM machines, like the Thecus N2100, so we need to
source drivers/ata/Kconfig.
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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OP_MAX_COUNTER never referenced, and is a reminant of an earlier
oprofile implementation. Remove it.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Most ARM defconfigs don't actually need to have PM_LEGACY enabled.
Disable it for ATEB9200, Collie, IXP4xx, OMAP H2, S3C2410 and
Versatile.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch adds platform devices' registration for the devices which drivers
either have been added to the mainline or on the way to.
arch/arm/mach-pnx4008/core.c | 69 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 69 insertions(+)
Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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show_mem() was not correctly handling holes in the memory
map. It was treating the freed sections of the map as
though they contained valid struct page entries. This
could cause incorrect debugging output or even a kernel
panic.
This patch keeps the struct meminfo around after system
initialization so that show_mem() can use it when
scanning memory. show_mem() now walks over each bank
of each online node, rather than assuming that each node
contains a single contiguous bank.
Signed-off-by: Ray Lehtiniemi <rayl@mail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The timer LED is unusable at HZ=large, since it's got
a hard-wired value of 100 ticks per cycle; when HZ=1024
(for example) it's essentially always-on. This patch
just makes that be HZ ticks per cycle.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add the new drivers, such as SPI, LED and RTC core,
to the s3c2410_defconfig.
Signed-off-by: Ben Dooks <ben-linux@fluff.irg>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Update the s3c2410_defconfig to 2.6.19-rc4
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove the bast_defconfig, as it has not been updated
since 2.6.13. The s3c2410_defconfig should be a good
replacement.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove the smdk2410_defconifg as it is out of data
and has not been touched since 2.6.11.
Use the s3c2410_defconfig instead.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This is a rework of the ixp4xx irq_chip implementation. The use of
two irq_chip structures and potentially switching between them is a
violation of the intended use of the IRQ framework. The current
implementation does not work with current in-kernel spinlock debugging
or lockdep due to lock recursion problems caused by calling
set_irq_chip/handler from within the chip's set_irq_type().
This patch goes back to using one irq_chip structure and handling the
differences between edge/level, normal/GPIO interrupts inside the
ack/mask/unmask routines themselves.
Signed-off-by: Kevin Hilman <khilman@mvista.com>
Signed-off-by: Deepak Saxena <dsaxena@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ARM patch 3756/1 added HWCAP_IWMMXT. This patch adds support
for broadcasting that info via /proc/cpuinfo and sets it for
the CPU features of the PXA270.
I've booted 19rc3 on a pxa270 and confirmed that the /proc/cpuinfo
shows "iwmmxt" in the Features.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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s3c2410_gpio_getirq() holds for the S3C2412 build,
so ensure that it gets built for all the current
S3C24XX architectures
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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dma_sync_single is no more (and to be removed in 2.7) so this export should be dma_sync_single_for_cpu.
Also export dma_sync_single_for_device.
Signed-off-by: Kevin Hilman <khilman@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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"K4S281632b-1H" should read "K4S281632B-1H" (As it does everywhere
else). No more coffe!
Signed-off-by: Kristoffer Ericson <Kristoffer_e1@hotmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The second ethernet port on the Thecus n2100 was incorrectly assigned
to XINT1 instead of the correct XINT3 (PCI INTB instead of INTD), which
caused that port to be non-functional.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add support for KBUILD_IMAGE on ARM. This takes the usual target
specifiers (zImage/Image/etc) in the same way that powerpc does
(iow, without the arch/arm/boot prefix).
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The SIGFPE signal should be generated if Division by Zero exception is detected.
Signed-off-by: Takashi Ohmasa <ohmasa.takashi@jp.panasonic.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The significand should be shifted until the value of bit [62] is 1
to normalize the denormal double number.
Signed-off-by: Takashi Ohmasa <ohmasa.takashi@jp.panasonic.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The IRQ changes a while back broke the build for SMP machines.
Fix up the SMP code to use set_irq_regs/get_irq_regs as
appropriate. Also, fix a warning in arch/arm/kernel/time.c
where 'regs' becomes unused for SMP builds.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add a vmlinux.lds.h helper macro for defining the eight-level initcall table,
teach all the architectures to use it.
This is a prerequisite for a patch which performs initcall synchronisation for
multithreaded-probing.
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
[ Added AVR32 as well ]
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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HAS_TOUCHSCREEN_ADS7843_LH7 and HAS_TOUCHSCREEN_ADC_LH7 are referenced
but not defined in the LH7A40x configuration. Comment them out to
prevent them causing warnings.
Marc Singer said:
Feel free to remove the Kconfig lines. I'll add it back with
the rest of the config entries.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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A couple of missing semicolons.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: (33 commits)
[WATCHDOG] remove experimental on iTCO_wdt.c
[WATCHDOG] Atmel AT91RM9200 rename.
[WATCHDOG] includes for sample watchdog program.
[WATCHDOG] watchdog/iTCO_wdt: fix bug related to gcc uninit warning
[WATCHDOG] add ich8 support to iTCO_wdt.c (patch 2)
[WATCHDOG] add ich8 support to iTCO_wdt.c
[WATCHDOG] ioremap balanced with iounmap for drivers/char/watchdog/s3c2410_wdt.c
[WATCHDOG] w83697hf/hg WDT driver - Kconfig patch
[WATCHDOG] w83697hf/hg WDT driver - autodetect patch
[WATCHDOG] w83697hf/hg WDT driver - patch 16
[WATCHDOG] w83697hf/hg WDT driver - patch 15
[WATCHDOG] w83697hf/hg WDT driver - patch 14
[WATCHDOG] w83697hf/hg WDT driver - patch 13
[WATCHDOG] w83697hf/hg WDT driver - patch 12
[WATCHDOG] w83697hf/hg WDT driver - patch 11
[WATCHDOG] w83697hf/hg WDT driver - patch 10
[WATCHDOG] w83697hf/hg WDT driver - patch 9
[WATCHDOG] w83697hf/hg WDT driver - patch 8
[WATCHDOG] w83697hf/hg WDT driver - patch 7
[WATCHDOG] w83697hf/hg WDT driver - patch 6
...
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Fix one more compile breakage caused by the post -rc1 IRQ changes.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Some ARM platforms were still broken as a result of the IRQ register
passing changes, mostly due to a missing linux/irq.h include.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This adds correct sdram params for K4S281632B-1H and sets the jornada to use them by default.
Signed-off-by: Kristoffer Ericson
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The new Atmel AT91SAM9261 and AT91SAM9260 processors use a different
internal watchdog peripheral. This watchdog driver is therefore
AT91RM9200-specific.
This patch renames at91_wdt.c to at91rm9200_wdt.c, and changes the name
of the configuration option.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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