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Linus:
On the per-architecture side, I do think it would be better to *not* have
internal architecture knowledge in a generic file, and as such a line like
depends on X86_32 || IA64 || PPC || S390 || SPARC64 || X86_64 || AVR32
really shouldn't exist in a file like kernel/Kconfig.instrumentation.
It would be much better to do
depends on ARCH_SUPPORTS_KPROBES
in that generic file, and then architectures that do support it would just
have a
bool ARCH_SUPPORTS_KPROBES
default y
in *their* architecture files. That would seem to be much more logical,
and is readable both for arch maintainers *and* for people who have no
clue - and don't care - about which architecture is supposed to support
which interface...
Changelog:
Actually, I know I gave this as the magic incantation, but now that I see
it, I realize that I should have told you to just use
config ARCH_SUPPORTS_KPROBES
def_bool y
instead, which is a bit denser.
We seem to use both kinds of syntax for these things, but this is really
what "def_bool" is there for...
Changelog :
- Moving to HAVE_*.
- Add AVR32 oprofile.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'suspend' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (38 commits)
suspend: cleanup reference to swsusp_pg_dir[]
PM: Remove obsolete /sys/devices/.../power/state docs
Hibernation: Invoke suspend notifications after console switch
Suspend: Invoke suspend notifications after console switch
Suspend: Clean up suspend_64.c
Suspend: Add config option to disable the freezer if architecture wants that
ACPI: Print message before calling _PTS
ACPI hibernation: Call _PTS before suspending devices
Hibernation: Introduce begin() and end() callbacks
ACPI suspend: Call _PTS before suspending devices
ACPI: Separate disabling of GPEs from _PTS
ACPI: Separate invocations of _GTS and _BFS from _PTS and _WAK
Suspend: Introduce begin() and end() callbacks
suspend: fix ia64 allmodconfig build
ACPI: clear GPE earily in resume to avoid warning
Suspend: Clean up Kconfig (V2)
Hibernation: Clean up Kconfig (V2)
Hibernation: Update messages
Suspend: Use common prefix in messages
Hibernation: Remove unnecessary variable declaration
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: (64 commits)
PCI: make pci_bus a struct device
PCI: fix codingstyle issues in include/linux/pci.h
PCI: fix codingstyle issues in drivers/pci/pci.h
PCI: PCIE ASPM support
PCI: Fix fakephp deadlock
PCI: modify SB700 SATA MSI quirk
PCI: Run ACPI _OSC method on root bridges only
PCI ACPI: AER driver should only register PCIe devices with _OSC
PCI ACPI: Added a function to register _OSC with only PCIe devices.
PCI: constify function pointer tables
PCI: Convert drivers/pci/proc.c to use unlocked_ioctl
pciehp: block new requests from the device before power off
pciehp: workaround against Bad DLLP during power off
pciehp: wait for 1000ms before LED operation after power off
PCI: Remove pci_enable_device_bars() from documentation
PCI: Remove pci_enable_device_bars()
PCI: Remove users of pci_enable_device_bars()
PCI: Add pci_enable_device_{io,mem} intefaces
PCI: avoid save the same type of cap multiple times
PCI: correctly initialize a structure for pcie_save_pcix_state()
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This cleans up the suspend Kconfig and removes the need to
declare centrally which architectures support suspend. All
architectures that currently support suspend are modified
accordingly.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Russell King <rmk@arm.linux.org.uk>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Cc: Pavel Machek <pavel@suse.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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A HOWTO that hasn't been updated for half a dozen years no longer
"contains valuable information about which PCI hardware does work under
Linux and which doesn't".
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch moves the micro-assembler in a separate implementation, as
it is useful for further run-time optimizations. The only change in
behaviour is cutting down printk noise at kernel startup time.
Checkpatch complains about macro parameters which aren't protected by
parentheses. I believe this is a flaw in checkpatch, the paste operator
used in those macros won't work with parenthesised parameters.
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Commit 312b1485fb509c9bc32eda28ad29537896658cb8 made __INIT_REFOK expand
into .section .section ".ref.text", "ax". Since the assembler doesn't
tolerate stuttering in the source that broke all MIPS builds.
Since with this change Sam downgraded __INIT_REFOK the best fix is to
get replace it by the modern days operator. With MIPS the only user
of __INIT_REFOK and __INITDATA_REFOK (which was equally broken) being
unused anyway these can be deleted but that's subject of a separate
commit.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The break_lock data structure and code for spinlocks is quite nasty.
Not only does it double the size of a spinlock but it changes locking to
a potentially less optimal trylock.
Put all of that under CONFIG_GENERIC_LOCKBREAK, and introduce a
__raw_spin_is_contended that uses the lock data itself to determine whether
there are waiters on the lock, to be used if CONFIG_GENERIC_LOCKBREAK is
not set.
Rename need_lockbreak to spin_needbreak, make it use spin_is_contended to
decouple it from the spinlock implementation, and make it typesafe (rwlocks
do not have any need_lockbreak sites -- why do they even get bloated up
with that break_lock then?).
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The timer code always calls the clock_event_device set_net_event and
set_mode methods with interrupts disabled, so no need to use
spin_lock_irqsave / spin_unlock_irqrestore for those.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by:Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (68 commits)
[MIPS] remove Documentation/mips/GT64120.README
[MIPS] Malta: remaining bits of the board support code cleanup
[MIPS] Malta: make the helper function static
[MIPS] Malta: fix braces at single statement blocks
[MIPS] Malta, Atlas: move an extern function declaration to the header file
[MIPS] Malta: Use C89 style for comments
[MIPS] Malta: else should follow close brace in malta_int.c
[MIPS] Malta: remove a superfluous comment
[MIPS] Malta: include <linux/cpu.h> instead of <asm/cpu.h>
[MIPS] Malta, Atlas, Sead: remove an extern from .c files
[MIPS] Malta: fix oversized lines in malta_int.c
[MIPS] Malta: remove a dead function declaration
[MIPS] Malta: use tabs not spaces
[MIPS] Malta: set up the screen info in a separate function
[MIPS] Malta: check the PCI clock frequency in a separate function
[MIPS] Malta: use the KERN_ facility level in printk()
[MIPS] Malta: use Linux kernel style for structure initialization
[MIPS]: constify function pointer tables
[MIPS] compat: handle argument endianess of sys32_(f)truncate64 with merge_64
[MIPS] Cobalt 64-bits kernels can be safely unmarked experimental
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This patch factors out the code, which handles the Bonito system
controller. The case of not supporting the DMA coherency is handled
separately to make the logic obvious. Besides, a couple of empty
lines added to beautify the code even further.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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One helper function can become static. This patch adds the needed
keyword.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch fixes a couple of warnings reported by checkpatch.pl.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This was compile-tested using default configs for the boards
affected by this change.
This patch does not introduce any functional changes.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Remove comments in C99 style and make checkpatch.pl happy.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch fixes two errors reported by checkpatch.pl.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Using the "We die here" comment right before calling the die()
function is an extremely vivid example of overcommenting.
Remove the redundant comment and save one line.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The checkpatch.pl script reported a few warnings about header files.
This patch fixes these warnings.
Compile-tested using the default Malta config.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch moves the "extern" declaration for the function
mips_reboot_setup() from the board setup .c files to the
header file include/asm-mips/mips-boards/generic.h.
This fixes a warning produced by the checkpatch.pl script.
No functional changes introduced.
This was compile-tested by building the kernel for all
three boards affected by this change. All builds finished
successfully.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch fixes all "line over 80 characters" warnings found
in arch/mips/mips-boards/malta/malta_int.c by the checkpatch.pl
script.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Neither is the mips_rtc_get_time() routine defined anywhere in
the MIPS architecture-specific code, nor does anyone call it any
more. This patch removes the extern declaration of this fossil.
This patch does not introduce any functional changes.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch fixes all "use tabs not spaces" warnings reported by
the checkpatch.pl script on the board-specific files.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch adds a separate short and sweet function to initialize
the screen_info global variable.
This improves readability of the Malta board setup code.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch adds a separate short and sweet function to check the
PCI clock frequency. This is to improve readability of the Malta
setup code.
Along the way, a couple of coding style violations are fixed.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch adds the KERN_ macros to printk() calls. Where applicable,
spaces are replaced by tabs.
These changes noticeably reduce the number of errors and warnings
reported by the checkpatch.pl script for the malta_int.c file.
Before the patch: total: 47 errors, 20 warnings, 354 lines checked
After the patch: total: 34 errors, 7 warnings, 355 lines checked
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch reformats the structure initialization code thus
making the latter look idiomatic.
No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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64-bits Cobalt kernels run fine.
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The Qemu platform was originally implemented to have an easily supportable
platform until Qemu reaches a state where it emulates a real world system.
Since the latest release Qemu is capable of emulating the MIPSsim and
Malta platforms, so this goal has been reached. The Qemu plaform is also
rather underfeatured so less useful than a Malta emulation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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I also changed the name to pvc_mutex, and moved the define to the file
it's used in which allows it to be static.
Signed-off-by: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch adds support for the GPIO connected system button on the MTX-1
boards. Default configuration is updated accordingly.
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Moved the eXcite local config to excite directory.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Added cpu_wait() to machine_halt().
For the power reduction in halt.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Removed unneeded button check for reset.
Because, the Cobalt has power switch.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Moved vr41xx_calculate_clock_frequency() to plat_time_init().
This function relates to the timer function.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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A raw binary boots about twice as fast as SREC.
The possibility to generate SREC binaries remains by simply using the
vmlinux.srec target but seems only useful for the probably hypothetical
case where one of these systems is booted over a serial interface.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The latest draft version of the MIPS Architecture Specification extends the
6 bit event field by adding a directly adjacent 4-bit EventExt field for a
total of 10 bits.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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- EISA support for non PCI RMs (RM200 and RM400-xxx). The major part
is the splitting of the EISA and onboard ISA of the RM200, which
makes the EISA bus on the RM200 look like on other RMs.
- 64bit kernel support
- system type detection is now common for big and little endian
- moved sniprom code to arch/mips/fw
- added call_o32 function to arch/mips/fw/lib, which uses a private
stack for calling prom functions
- fix problem with ISA interrupts, which makes using PIT clockevent
possible
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch adds IDs for new Au1200 variants: Au1210 and Au1250.
They are essentially identical to the Au1200 except for the Au1210
which has a different SoC-ID in the PRId register [bits 31:24].
The Au1250 is a "Au1200 V0.2".
Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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These symbols appear in oprofile output, stacktraces and similar but only
make the output harder to read. Many identical symbol names such as
"both_aligned" were also being used in multiple source files making it
impossible to see which file actually was meant. So let's get rid of them.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add support for SGI IP28 machines (Indigo 2 with R10k CPUs)
This work is mainly based on Peter Fuersts work.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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According to Broadcom the PT systems are production test systems which
never reached customers so no need to keep the fragmentary support we
currently have.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Not cache coherent R10k systems (like IP28) need to do real cache
invalidates in dma_cache_sync().
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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IP28 needs special treatment to avoid speculative accesses. gcc
takes care for .c code, but for assembly code we need to do it
manually.
This is taken from Peter Fuersts IP28 patches.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch adds support for txx9wdt driver to rbhma3100, rbhma4200 and
rbhma4500 platform.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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