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Add a DEBUG config setting which turns on all (most) of the debugging
under platforms/pseries.
To have this take effect we need to remove all the #undef DEBUG's, in
various files. We leave the #undef DEBUG in platforms/pseries/lpar.c,
as this enables debugging printks from the low-level hash table routines,
and tends to make your system unusable. If you want those enabled you
still have to turn them on by hand.
Also some of the RAS code has a DEBUG block which causes a functional
change, so I've keyed this off a different (non-existant) debug #define.
This is only enabled if you have PPC_EARLY_DEBUG enabled also.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The EEH code needs to ignore PCI bridges; sort-of. It was ignoring
them in the wrong place, and thus failing to set up the
PCI_DN(dn)->pcidev pointer. Imprudent dereferencing of this pointer
would lead to a crash on cards with bridges.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
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arch/powerpc/platforms/pseries/eeh_cache.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Twiddle the copyright notices. Per current guidelines, the use
of the (C) or (c) in source code is deprecated.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
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arch/powerpc/platforms/pseries/eeh.c | 6 +++++-
arch/powerpc/platforms/pseries/eeh_cache.c | 3 ++-
arch/powerpc/platforms/pseries/eeh_driver.c | 6 +++---
3 files changed, 10 insertions(+), 5 deletions(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add sysfs blinkenlights for EEH statistics. Shuffle the
eeh_add_device_tree() call so that it appears in the correct
sequence.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
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arch/powerpc/platforms/pseries/Makefile | 2
arch/powerpc/platforms/pseries/eeh.c | 4 +
arch/powerpc/platforms/pseries/eeh_cache.c | 2
arch/powerpc/platforms/pseries/eeh_sysfs.c | 84 +++++++++++++++++++++++++++++
arch/powerpc/platforms/pseries/pci_dlpar.c | 7 +-
include/asm-powerpc/ppc-pci.h | 3 +
6 files changed, 98 insertions(+), 4 deletions(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Run this:
#!/bin/sh
for f in $(grep -Erl "\([^\)]*\) *k[cmz]alloc" *) ; do
echo "De-casting $f..."
perl -pi -e "s/ ?= ?\([^\)]*\) *(k[cmz]alloc) *\(/ = \1\(/" $f
done
And then go through and reinstate those cases where code is casting pointers
to non-pointers.
And then drop a few hunks which conflicted with outstanding work.
Cc: Russell King <rmk@arm.linux.org.uk>, Ian Molton <spyro@f2s.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Greg KH <greg@kroah.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Paul Fulghum <paulkf@microgate.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Karsten Keil <kkeil@suse.de>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Ian Kent <raven@themaw.net>
Cc: Steven French <sfrench@us.ibm.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Jaroslav Kysela <perex@suse.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This corrects a pci_dev get/put imbalance that can occur only in
highly unlikely situations (kmalloc failures, pci devices with
overlapping resource addresses). No actual failures seen, this was
spotted during code review.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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acquired (aquired)
contiguous (contigious)
successful (succesful, succesfull)
surprise (suprise)
whether (weather)
some other misspellings
Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Don't dereference a device node that isn't there. A "shouldn't
happen" case, but someone ran into it with a possibly misconfigured
device tree.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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<asm/systemcfg.h> is gone now, and the PCI error recovery constants
in include/linux/pci.h changed their names in the process of getting
accepted.
Signed-off-by: Paul Mackerras <paulus@samba.org>
(cherry picked from 5a2516156c591fc3d2059fbd93f97e15eb6010d6 commit)
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241-eeh-save-bars-earlier.patch
Save the PCI device bars *before* any PCI probing is done.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
(cherry picked from 76c902b919098860f3d4e125f847abcc4cb1782a commit)
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235-eeh-set-pcidev-bugfix.patch
The pci device field of the pci_dn struct should be initialized to a
valid value.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
(cherry picked from beb45c93d494a11c36e5b24f638e610db8428b54 commit)
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25-pci-address-cache.patch
The core EEH file is rather large. This patch splits out a self-contained
chunk of it into its own file. This is the chunk that performes the
caching and lookup of pci devices based on the i/o addresses of thier
resoures. This code is almos architecture-independent and could be
used by any system that wanted to find a pci device based only on
the i/o address used by the device.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
(cherry picked from b0b291d59906d4a9a89ed9e34d9fd684c7188924 commit)
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Michael Ellerman
Linas Vepstas
Robert P. J. Day
Andreas Mohr
Nathan Lynch
Paul Mackerras
Linas Vepstas