Hi Linus !

The following changes since commit 94aca1dac6f6d21f4b07e4864baf7768cabcc6e7:
Linus Torvalds (1):
Linux 2.6.27-rc8

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc.git merge

Those are two fixes for regressions introduced recently, the first
one due to some change in the timer code becoming more sensitive to
timer interrupts taken from offlined CPUs and the second is an update
to a board device-tree to fix some address translation problems.

arch/powerpc/boot/dts/holly.dts | 106 +++++++++++++++++++-------------------
arch/powerpc/kernel/idle.c | 6 +--
2 files changed, 54 insertions(+), 58 deletions(-)

(Oh and please let me know what I screwed up this time :-)

commit 61e9916eba35dfb76d38013a5aae9a59cc50877a
Author: Johannes Berg
Date: Wed Sep 24 22:56:25 2008 +0000

powerpc: Fix failure to shutdown with CPU hotplug

I tracked down the shutdown regression to CPUs not dying
when being shut down during power-off. This turns out to
be due to the system_state being SYSTEM_POWER_OFF, which
this code doesn't take as a valid state for shutting off
CPUs in.

This has never made sense to me, but when I added hotplug
code to implement hibernate I only "made it work" and did
not question the need to check the system_state. Thomas
Gleixner helped me dig, but the only thing we found is
that it was added with the original commit that added CPU
hotplug support.

Signed-off-by: Johannes Berg
Acked-by: Joel Schopp
Signed-off-by: Benjamin Herrenschmidt

commit ad611045ce5d059af84a9855b22ca3f7a99d47be
Author: David Gibson
Date: Wed Sep 24 16:39:04 2008 +0000

powerpc: Fix PCI in Holly device tree

The PCI bridge on the Holly board is incorrectly represented in the
device tree. The current device tree node for the PCI bridge sits
under the tsi-bridge node. That's not obviously wrong, but the PCI
bridge translates some PCI spaces into CPU address ranges which were
not translated by the "ranges" property in tsi-bridge node.

We used to get away with this problem because the PCI bridge discovery
code was also buggy, assuming incorrectly that PCI host bridge nodes
were always directly under the root bus and treating the translated
addresses as raw CPU addresses, rather than parent bus addresses.
This has since been fixed, thus breaking Holly.

This could be fixed by adding extra translations to the tsi-bridge
node, but this patch instead moves the Holly PCI bridge out of the
tsi-bridge node to the root bus. This makes the tsi-bridge node
represent only the built-in IO devices in the bridge, with a
more-or-less contiguous address range. This is the same convention
used on Freescale SoC chips, where the "soc" node represents only the
IMMR region, and the PCI and other bus bridges are separate nodes
under the root bus.

Signed-off-by: David Gibson
Acked-by: Josh Boyer
Signed-off-by: Benjamin Herrenschmidt


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