Some firmware versions will return a slot reset state of "1"
when a slot is EEH frozen. Recognize this as a state that can be
handled.
Signed-off-by: NLinas Vepstas <linas@austin.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

If the second or higher function of a multi-function device fails
to recover, this failure is not reported upwards. Fix this.
Signed-off-by: NLinas Vepstas <linas@austin.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

If a device driver does not have native PCI error recovery,
a hotplug error recovery will be attemped. In this case,
the device driver will not report back whether its healthy
or not; simply assume that it is.
Signed-off-by: NLinas Vepstas <linas@austin.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Provide support for the new ibm,get-config-addr-info2 RTAS token,
whenever it is actually available.
Signed-off-by: NLinas Vepstas <linas@austin.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Some drivers will attempt to perform a lot of mmio even after
an EEH event was detected. This is especially the case for fast cpu's
and PCI-E slots. Be a bit more lenient in allowing this.
Signed-off-by: NLinas Vepstas <linas@austin.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

There are multiple code patchs tht resuls in a "permanent
failure"; when examining rare events, it can be hard to see
which was taken. This patch adds printk's to assist.
Signed-off-by: NLinas Vepstas <linas@austin.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Change the order in which pci error state is examined;
the "capabilites" is not valid if "reset state" is 5.
Signed-off-by: NLinas Vepstas <linas@austin.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Correct the apparent misspelling of "XMON" to "CONFIG_XMON".
Signed-off-by: NRobert P. J. Day <rpjday@mindspring.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

This balances parenthesis in powerpc 8xx header files.
Signed-off-by: NMariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Remove fixed setting of ROOT_DEV for 7448HPC2 platforms.
Signed-off-by: NRoy Zang <tie-fei.zang@freescale.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

This allows us to hide pci_dma_ops.
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

This will allow us to build without PCI easier.
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Signed-off-by: NSegher Boessenkool <segher@kernel.crashing.org>
Acked-by: NG. Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Add missing checks to PS3 specific drivers ps3av and sys-manager to verify that
we are actually running on a PS3 (pointed out by Arnd).

Correct existing checks in other subsystems/drivers to return -ENODEV instead
of zero.
Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: NArnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

This fixes a warning due to unused result from pci_enable_device() in
powermac pci.c
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

This fixes a warning due to unused return from pci_enable_device() in
powermac feature.c core99_ata100_enable() function.
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

This fixes a bug caused by changes of pointer type in
commit f1fda895.

hose->cfg_addr type is "volatile unsigned int __iomem *", so
"hose->cfg_addr + X" will not make an intended address.

This patch also adds comments for usage of cfg_addr and cfg_data in
pci_controller structure.  We use them in irregular way, and the
original code is short of explanations about them.
Signed-off-by: NKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

We were using the platform_device.id field to identify which ethernet
port is used for mv643xx_eth device.  This is not generally correct.
It will be incorrect, for example, if a hardware platform uses a single
port but not the first port.  Here, we add an explicit port_number field
to struct mv643xx_eth_platform_data.

This makes the mv643xx_eth_platform_data structure required, but that
isn't an issue since all users currently provide it already.
Signed-off-by: NDale Farnsworth <dale@farnsworth.org>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

ps3: Introduce CONFIG_PS3_ADVANCED, as suggested by Roman Zippel, and use
it to control questions about PS3 subsystems that may not be obvious for
the casual user.

This gets rid of the following warning on non-powerpc platforms: |
drivers/video/Kconfig:1604:warning: 'select' used by config symbol 'FB_PS3'
refer to undefined symbol 'PS3_PS3AV'
Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: NGeoff Levand <geoffrey.levand@am.sony.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Per device data such as brightness belongs to the indivdual device
and should therefore be separate from the the backlight operation
function pointers. This patch splits the two types of data and
allows simplifcation of some code.
Signed-off-by: NRichard Purdie <rpurdie@rpsys.net>

backlight_device->sem has a very specific use as documented in the
header file. The external users of this are using it for a different
reason, to serialise access to the update_status() method.

backlight users were supposed to implement their own internal
serialisation of update_status() if needed but everyone is doing
things differently and incorrectly. Therefore add a global mutex to
take care of serialisation for everyone, once and for all.

Locking for get_brightness remains optional since most users don't
need it.

Also update the lcd class in a similar way.
Signed-off-by: NRichard Purdie <rpurdie@rpsys.net>

Renamed the MPC8568 MDS platform code to follow other 85xx boards.  There
isn't anything specific about the 8568 MDS code that wouldn't apply to another
85xx MDS system at this point.
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Cleaned up the probing functionality to be more consistent across all 85xx
boards and actually check to see if we should be running on a given board.
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

The MPC836x PB board is really just one part of the MPC836x MDS.  We currently
name all other PB boards as MDS.  Removed all references to PB and replaced
with MDS.  Additionally renamed the .dts to match the defconfig (mpc836x_mds*).
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Use of_platform_bus_probe to setup devices on the of_platform_bus since its
much cleaner.  We explicitly specify the bus ids since the we want to get rid
of the default mechanism in the future.
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Use the default value setup by initialization of loops_per_jiffy, its close
enough for 83xx and will get fixed up by calibrate_delay().
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Cleaned up the probing functionality to be more consistent across all 83xx
boards and added machine_is() protection around board initcalls to ensure they
only do something if we are actually running on that board.

Additionally, removed some dead code on mpc832x_mds.
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Signed-off-by: NJon Loeliger <jdl@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Signed-off-by: NJon Loeliger <jdl@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

During power outages, the UPS notifies the system for a shutdown.
In the current setup, it isn't possible to poweron when power is
restored.  This patch fixes the issue by calling the right
ibm,power-off-ups token during such events.  It also adds a sysfs
interface so userspace can specify whether or not to power on when
power is restored.
Signed-off-by: NManish Ahuja <ahuja@austin.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Now that disable_irq() defaults to delayed-disable semantics, the IRQ_DISABLED
flag is not needed anymore.
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

My "cleanup" patch (dce623e0) had a cut
and paste error for the !CONFIG_KEXEC case. Fifty lashes for me.
Signed-off-by: NMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

scc_uhc.c depends on CONFIG_PCI, not CONFIG_USB. Because CONFIG_PCI
is always "y" on Celleb platform, we move scc_uhc.o to obj-y.
Signed-off-by: NKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

celleb_kexec_cpu_down() depends on CONFIG_KEXEC.
Signed-off-by: NKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Add PS3 system manager support and the ppc_md routines restart() and
power_off().

The system manager provides an event notification mechanism for reporting
events like thermal alert and button presses.  It also provides support to
control system shutdown and startup.
Signed-off-by: NGeoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Move all the pseries kexec code into one file, platforms/pseries/kexec.c
Provide helpers for setting up ppc_md.kexec_cpu_down, so that we don't
have to have #ifdef CONFIG_KEXEC in setup.c

Move the initialisation of the ppc_md kexec callbacks into an init routine.
This is well and truly early enough to cause no change in behaviour, we
can't kexec until userspace has given us a kernel to kexec into.
Signed-off-by: NMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Move some extern declarations from setup.c into the new pseries.h.
While we're at it, provide dummy implementations for !SMP, to avoid
cluttering the C file with more #ifdefs.
Signed-off-by: NMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>