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This fixes a warning due to unused return from pci_enable_device() in
powermac feature.c core99_ata100_enable() function.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This function spews a warning due to possible use of an uninitialized
variable. This can happen on broken device-trees or when called with
a NULL argument. Makes ure we properly fail instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This fixes a bug caused by changes of pointer type in
commit f1fda89522c5aaa1bd4ef69605e85e6ee9c85faf.
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: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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My patch to add spu disassembly (af89fb8041562508895c8f3ba04790d7c2f4338c)
removed a newline from the xmon help that it shouldn't have, put it back.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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970MP rev 1.0 is reported to have nonworking DEEPNAP support, we've had
bug reports of lockups on those machines. Appearantly Apple used them
on some dual-core dual-cpu systems. Rev 1.1 is OK, and that's the one
that all 4-way systems seem to use.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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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: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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In some cases when we are not using msi we need a way to ensure that the
hardware does not have an msi capability enabled. Currently the code has been
calling disable_msi_mode to try and achieve that. However disable_msi_mode
has several other side effects and is only available when msi support is
compiled in so it isn't really appropriate.
Instead this patch implements pci_msi_off which disables all msi and msix
capabilities unconditionally with no additional side effects.
pci_disable_device was redundantly clearing the bus master enable flag and
clearing the msi enable bit. A device that is not allowed to perform bus
mastering operations cannot generate intx or msi interrupt messages as those
are essentially a special case of dma, and require bus mastering. So the call
in pci_disable_device to disable msi capabilities was redundant.
quirk_pcie_pxh also called disable_msi_mode and is updated to use pci_msi_off.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Michael Ellerman <michael@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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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: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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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: Richard Purdie <rpurdie@rpsys.net>
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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: Richard Purdie <rpurdie@rpsys.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (25 commits)
Documentation/kernel-docs.txt update.
arch/cris: typo in KERN_INFO
Storage class should be before const qualifier
kernel/printk.c: comment fix
update I/O sched Kconfig help texts - CFQ is now default, not AS.
Remove duplicate listing of Cris arch from README
kbuild: more doc. cleanups
doc: make doc. for maxcpus= more visible
drivers/net/eexpress.c: remove duplicate comment
add a help text for BLK_DEV_GENERIC
correct a dead URL in the IP_MULTICAST help text
fix the BAYCOM_SER_HDX help text
fix SCSI_SCAN_ASYNC help text
trivial documentation patch for platform.txt
Fix typos concerning hierarchy
Fix comment typo "spin_lock_irqrestore".
Fix misspellings of "agressive".
drivers/scsi/a100u2w.c: trivial typo patch
Correct trivial typo in log2.h.
Remove useless FIND_FIRST_BIT() macro from cardbus.c.
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* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (34 commits)
[POWERPC] 86xx: Cleaned up platform dts files
[POWERPC] 85xx: Renamed MPC8568 MDS board code to match other boards
[POWERPC] 85xx: Cleaning up machine probing
[POWERPC] QE: clean up ucc_slow.c and ucc_fast.c
[POWERPC] 85xx: Cleaned up platform dts files
[POWERPC] 83xx: Renamed MPC8323 MDS dts and defconfig to match other boards
[POWERPC] 83xx: Updated and renamed MPC8360PB to MPC836x MDS
[POWERPC] 83xx: Use of_platform_bus_probe to setup QE devices
[POWERPC] 83xx: use default value of loops_per_jiffy
[POWERPC] 83xx: Remove obsolete setting of ROOT_DEV.
[POWERPC] 83xx: Cleaning up machine probing and board initcalls
[POWERPC] Dispose irq mapping when done in mpc52xx_serial.c
[POWERPC] 86xx: Add missing of_node_put() in mpc86xx_hpcn_init_irq().
[POWERPC] 8[56]xx: Remove obsolete setting of ROOT_DEV for 85xx and 86xx platforms.
[POWERPC] pseries: Enabling auto poweron after power is restored.
[POWERPC] use winbond libata instead of ide driver for pseries CD drives
[POWERPC] powerpc: remove references to the obsolete linux,platform property
[POWERPC] add of_get_mac_address and update fsl_soc.c to use it
[POWERPC] 83xx: Cleaned up 83xx platform dts files
[POWERPC] Fix bug with early ioremap and 64k pages
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* Removed explicit linux,phandle usage. Use references and labels now
* Removed interrupts property from openpic node
* Removed interrupt-parent property from openpic node that pointed to itself
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Jon Loeliger <jdl@freescale.com>
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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: Kumar Gala <galak@kernel.crashing.org>
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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: Kumar Gala <galak@kernel.crashing.org>
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Refactored and cleaned up ucc_fast.c and ucc_slow.c so that the two files
look more alike and are easier to read. Removed uccf_printk() and related
functions, because they were just front-ends to printk(). Fixed some
spacing and tabbing issues. Minor optimizations of some code. Changed
the type of some variables to their proper type (mostly buffer
descriptors).
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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* Fixed up top level compatible property for all boards
* Removed explicit linux,phandle usage. Use references and labels now
* Fixed phy-phandles for TSEC3/4 in mpc8548cds.dts
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The C99 specification states in section 6.11.5:
The placement of a storage-class specifier other than at the
beginning of the declaration specifiers in a declaration is an
obsolescent feature.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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heirarchical, hierachical -> hierarchical
heirarchy, hierachy -> hierarchy
Signed-off-by: Uwe Kleine-König <zeisberg@informatik.uni-freiburg.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Renamed the MPC8323 MDS and defconfig to match the naming convention followed
by other MDS boards.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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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: Kumar Gala <galak@kernel.crashing.org>
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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: Kumar Gala <galak@kernel.crashing.org>
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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: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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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: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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platforms.
Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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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: Manish Ahuja <ahuja@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Change the default for the built-in IDE on p610/p615/p630 from
ide to libata. libata has better error handling and the drive can
recover when hald does its CD media polling.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add function of_get_mac_address(), which obtains the best MAC address to use
from the device tree by checking various properties in order. The order is:
'mac-address', then 'local-mac-address', then 'address'. It skips properties
that contain invalid MAC addresses, which were probably not initialized
by U-Boot.
Update gfar_of_init() and fs_enet_of_init() in fsl_soc.c to call
of_get_mac_address().
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Now that disable_irq() defaults to delayed-disable semantics, the IRQ_DISABLED
flag is not needed anymore.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* Fixed up top level compatible property for all boards
* Removed explicit linux,phandle usage. Use references and labels now
* Fixed interrupt sense attribute, some interrupts were marked edge, that are level
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The code for bolting hash entries for ioremap done before proper
mm initialization has a grown a bug when using 64K pages on a
machine where non-cacheable mappings are demoted to 4K HW pages.
The wrong page size index is being passed to the hash table mapping
functions causing a crash at boot on some pSeries machines using
bare metal linux. This fixes it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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My "cleanup" patch (dce623e0827e8d0ad60ce7f385c3394bf1b0bae0) had a cut
and paste error for the !CONFIG_KEXEC case. Fifty lashes for me.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Without this, building drivers/serial/of_serial.c as a module fails.
WARNING: ".of_find_property" [drivers/serial/of_serial.ko] undefined!
Signed-off-by: Dave Jones <davej@redhat.com>
Acked-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The 'linux,boot-cpu' property is obsolete, so remove it from all of the DTS
files and from booting-without-of.txt. The boot CPU is actually defined in
the device tree header, and U-Boot sets that field. The device tree compiler
also complains if the property exists.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Acked-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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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: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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celleb_kexec_cpu_down() depends on CONFIG_KEXEC.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch changes the MPIC IPIs to be per-CPU to avoid getting a
warning ("Cannot set affinity for irq 251") when taking a CPU
offline via sysfs or during suspend.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This adds driver code for the PMI device found in future IBM products.
PMI stands for "Platform Management Interrupt" and is a way to
communicate with the BMC (Baseboard Management Controller).
It provides bidirectional communication with a low latency.
Signed-off-by: Christian Krafft <krafft@de.ibm.com>
Acked-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Acked-by: Heiko J Schick <schickhj@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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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: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The semantic effect of insert_at_head is that it would allow new registered
sysctl entries to override existing sysctl entries of the same name. Which is
pain for caching and the proc interface never implemented.
I have done an audit and discovered that none of the current users of
register_sysctl care as (excpet for directories) they do not register
duplicate sysctl entries.
So this patch simply removes the support for overriding existing entries in
the sys_sysctl interface since no one uses it or cares and it makes future
enhancments harder.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: David Howells <dhowells@redhat.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Andi Kleen <ak@muc.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Corey Minyard <minyard@acm.org>
Cc: Neil Brown <neilb@suse.de>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Jan Kara <jack@ucw.cz>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Cc: David Chinner <dgc@sgi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This was partially done already and there was no ABI breakage what a relief.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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