When the PST tables are broken, powernow-k7 uses ACPI's processor_perflib to
deduce the available frequency multipliers from the _PSS tables.

Upon frequency change, processor_perflib performs some verification on the
frequency (checks that it's within allowable bounds).

powernow-k7 deals with absolute frequencies in KHz, whereas perflib only
deals with MHz values. When performing the above verification, perflib
multiplies the MHz values by 1000 to obtain the KHz value.

We then end up with situations like the following:
 - powernow-k7 multiplies the multiplier by the FSB, and obtains a value
   such as 1266768 KHz
 - perflib belives the same state has frequency of 1266 MHz
 - acpi_processor_ppc_notifier calls cpufreq_verify_within_limits to verify
   that 1266768 is in the allowable range of 0 to 1266000 (i.e. 1266 * 1000)
 - it's not, so that frequency is rejected
 - the maximum CPU frequency is not reachable

This patch solves the problem by rounding up the MHz values stored in perflib's
tables. Additionally it corrects a broken URL.

It also fixes http://bugzilla.kernel.org/show_bug.cgi?id=8255 although this
case is a bit different: the frequencies in the _PSS tables are wildly wrong,
but we get better results if we force ACPI to respect the fsb * multiplier
calculations (even though it seems that the multiplier values aren't entirely
correct either).
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: Dave Jones <davej@redhat.com>

Reported-by: Calvin Dodge <caldodge@gmail.com>
Signed-off-by: Dave Jones <davej@redhat.com>

.. close the merge window

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits)
  [ARM] Use new get_irqnr_preamble
  [ARM] Ensure machine class menu is sorted alphabetically
  [ARM] 4333/2: KS8695: Micrel Development board
  [ARM] 4332/2: KS8695: Serial driver
  [ARM] 4331/3: Support for Micrel/Kendin KS8695 processor
  [ARM] 4371/1: AT91: Support for Atmel AT91SAM9RL-EK development board
  [ARM] 4372/1: Define byte sizes in asm-arm/sizes.h
  [ARM] 4370/3: AT91: Support for Atmel AT91SAM9RL processors.
  [ARM] Update mach-types
  [ARM] export symbol csum_partial_copy_from_user
  [ARM] iop13xx: msi support
  [ARM] stacktrace fix
  [ARM] Spinlock initializer cleanup
  [ARM] remove useless config option GENERIC_BUST_SPINLOCK
  [ARM] 4303/3: base kernel support for TI DaVinci
  [ARM] 4369/1: AT91: Fix circular dependency in header files
  [ARM] 4368/1: S3C24xx: build fix
  [ARM] 4364/1: AT91: LEDS on AT91SAM9261-EK
  [ARM] Fix iop32x/iop33x build
  [ARM] EBSA110: fix build errors caused by missing "const"
  ...

Adding tabs where spaces currently are.
Signed-off-by: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Ken Chen <kenchen@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

SLUB cannot run on i386 at this point because i386 uses the page->private and
page->index field of slab pages for the pgd cache.

Make SLUB run on i386 by replacing the pgd slab cache with a quicklist.
Limit the changes as much as possible. Leave the improvised linked list in place
etc etc. This has been working here for a couple of weeks now.
Acked-by: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Add missing cond_syscall statements for compat_sys_signalfd and
compat_sys_timerfd.

Cc: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

When trying to load the ipmi_si module on a powerpc with no BMC (baseboard
management controller) the driver failes to load correctly, but doesn't
unregister itself from of_platform.  So, on a second modprobe the kernel
crashes.  This patch adds the missing unregister call.
Signed-off-by: Christian Krafft <krafft@de.ibm.com>
Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Fix a rather obvious error that Patrick found in the setup routines.  Need to
set the proper address space in the ACPI case.
Signed-off-by: Corey Minyard <minyard@acm.org>
Cc: Patrick Schoeller <Patrick.Schoeller@hp.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

This address bounces with "550 Unknown user".
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Kylene Hall <kjhall@us.ibm.com>
Cc: Marcel Selhorst <tpm@selhorst.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

On PPC64, we need to include asm/prom.h for function definitions.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Flush the tty flip buffer when the line discipline input queue is flushed,
including the user call tcflush(TCIFLUSH/TCIOFLUSH).  This prevents
unexpected stale data after a user application calls tcflush().
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Antonino Ingargiola <tritemio@gmail.com>
Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Use zero_user_page() instead of open-coding it.

[akpm@linux-foundation.org: kmap-type fixes]
Signed-off-by: Nate Diller <nate.diller@gmail.com>
Acked-by: Anton Altaparmakov <aia21@cantab.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Disable stacktrace filter support for x86-64 for now.  Will be enable when we
can get the dwarf2 unwinder back.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC]: Wire up signalfd/timerfd/eventfd syscalls.
  [SPARC64]: Add support for bq4802 TOD chip, as found on ultra45.
  [SPARC64]: Correct FIRE_IOMMU_FLUSHINV register offset.
  [SPARC64]: envctrl.c needs asm/io.h
  [SPARC64]: Update defconfig.
  [TTY]: Export proc_clear_tty() to modulea.
  [SPARC64]: pci_resource_adjust() cannot be __init.
  [SPARC64]: Spelling fixes.
  [SPARC]: Spelling fixes.
  [SPARC64]: Kill LARGE_ALLOCS and update defconfig.

Looks like these two are wired up in a wrong way.

Cc: Davide Libenzi <davidel@xmailserver.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

The earlier change to call the bp mtrr init from bugs.c broke
on some configurations due to missing includes.  Noticed
by "Avuton Olrich" <avuton@gmail.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

pm3fb_setup() should only compiled if pm3fb is built statically in the kernel.
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Use the new get_irqnr_preamble macro to move the address of the IRQ
controller outside the IRQ handling loop.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: David S. Miller <davem@davemloft.net>

A use was added to the solaris syscall module which
can be built modular.
Signed-off-by: David S. Miller <davem@davemloft.net>

Noticed by Meelis Roos.
Signed-off-by: David S. Miller <davem@davemloft.net>

Spelling fixes in arch/sparc64/.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>

Spelling fixes in arch/sparc/.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>

Let's use SLUB, since it works now, in order to get it
tested a bit.
Signed-off-by: David S. Miller <davem@davemloft.net>

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (23 commits)
  [POWERPC] Add arch/powerpc support for the Motorola PrPMC2800
  [POWERPC] Add bootwrapper support for Motorola PrPMC2800 platform
  [POWERPC] Add DTS file for the Motorola PrPMC2800 platform
  [POWERPC] Check cache coherency of kernel vs firmware
  [POWERPC] Add Marvell mv64x60 PCI bridge support
  [POWERPC] Create Marvell mv64x60 I2C platform_data
  [POWERPC] Create Marvell mv64x60 ethernet platform_data
  [POWERPC] Create Marvell mv64x60 MPSC (serial) platform_data
  [POWERPC] Add interrupt support for Marvell mv64x60 chips
  [POWERPC] Add bootwrapper support for Marvell/mv64x60 I2C
  [POWERPC] Add bootwrapper support for Marvell MPSC
  [POWERPC] Add bootwrapper support for Marvell/mv64x60 hostbridge
  [POWERPC] Add Makefile rules to wrap dts file in zImage
  [POWERPC] Spelling fixes: arch/ppc/
  [POWERPC] U-boot passes the initrd as start/end, not start/size.
  [POWERPC] PS3: Update ps3_defconfig
  [POWERPC] PS3: Fix request_irq warning
  [POWERPC] Don't complain if size-cells == 0 in prom_parse()
  [POWERPC] Simplify smp_space_timers
  [POWERPC] Trivial ps3 warning fixes
  ...

This finally adds the PPC_PRPMC2800 Kconfig option, the board setup
code (the setup and reset functions) and the defconfig, to support the
Motorola PrPMC2800 platform.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

The Motorola PrPMC280 and PrPMC2800 processor modules sit on an F101 or
PrPMC2800 baseboard, respectively.  There are several variants of each
type of processor module which can have different amounts of memory,
amounts of FLASH, cpu frequencies, and an mv64360 or an mv64362.

The bootwrapper code for that platform reads VPD from an I2C EEPROM
to determine the processor module variant.  From the variant, the
amount of memory, etc. is determined and the device tree is updated
accordingly.  If the variant cannot be determined (e.g., corrupted
VPD or a previously unknown variant), the property values already
in the device tree are used.

Also, the firmware for those platforms does not completely configure
the mv64x60 host bridge so that configuration is done here.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

Add the device tree source file for the prpmc2800 line of processor PMCs.
Several of the property values are updated by the bootwrapper but sane
defaults have been chosen in case the bootwrapper can't determine the
exact processor board variant.  The defaults should allow the kernel
to boot despite having non-optimal device tree property values.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

check_cache_coherency() verifies that the cache coherency setting of
the kernel (CONFIG_NOT_COHERENT_CACHE) matches that left by the firmware,
as indicated by coherency-off device tree property.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

This patch adds PCI bridge support for the Marvell mv64x60 chip.
We also provide the ability to read/write the mv64x60 hotswap
register via sysfs if the hs_reg_valid property is set in the
device tree.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

This patch creates platform_device entries for the Marvell mv64x60
I2C ports, based on information contained in device tree.

This driver (like the other mv64x60 drivers) are unusual in that it
works on both the MIPS and PowerPC architectures.  Because of that,
the drivers do not support the normal PowerPC of_platform_bus_type.
They support platform_bus_type instead.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>