GitHub/LineageOS/G12/android_kernel_amlogic_linux-4.9.git
13 years ago[media] rc: use time unit conversion macros correctly
Jarod Wilson [Tue, 18 Jan 2011 20:31:24 +0000 (17:31 -0300)]
[media] rc: use time unit conversion macros correctly

Due to my own stupidity, some of the wrong time unit conversion macros
were being used inside some of the IR drivers I've been working on. Fix
that, and convert over some additional places to also use the macros.

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] rc/ir-lirc-codec: add back debug spew
Jarod Wilson [Tue, 18 Jan 2011 05:33:08 +0000 (02:33 -0300)]
[media] rc/ir-lirc-codec: add back debug spew

Some occasionally useful debug spew disappeared as part of a feature
update a while back, and I'm finding myself in need of it again to help
diagnose some issues.

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] ir-kbd-i2c: improve remote behavior with z8 behind usb
Jarod Wilson [Thu, 20 Jan 2011 21:31:18 +0000 (18:31 -0300)]
[media] ir-kbd-i2c: improve remote behavior with z8 behind usb

Add the same "are you ready?" i2c_master_send() poll command to
get_key_haup_xvr found in lirc_zilog, which is apparently seen in
the Windows driver for the PVR-150 w/a z8. This stabilizes what is
received from both the HD-PVR and HVR-1950, even with their polling
intervals at the default of 100, thus the removal of the custom
260ms polling_interval in pvrusb2-i2c-core.c.

Acked-by: Andy Walls <awalls@md.metrocast.net>
Acked-by: Mike Isely <isely@isely.net>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] lirc_zilog: z8 on usb doesn't like back-to-back i2c_master_send
Jarod Wilson [Wed, 19 Jan 2011 21:49:19 +0000 (18:49 -0300)]
[media] lirc_zilog: z8 on usb doesn't like back-to-back i2c_master_send

Both the HD-PVR and HVR-1950, driven by the hdpvr and pvrusb2 drivers
respectively, have a zilog z8 chip exposed via i2c. These are both
usb-connected devices, and on both of them, back-to-back i2c_master_send
calls that work fine with a z8 on a pci card fail with a -EIO, as the
chip isn't yet ready from the prior command. To cope with that, add a
delay and retry loop where necessary.

Acked-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] hdpvr: fix up i2c device registration
Jarod Wilson [Wed, 19 Jan 2011 21:10:14 +0000 (18:10 -0300)]
[media] hdpvr: fix up i2c device registration

We have to actually call i2c_new_device() once for each of the rx and tx
addresses. Also improve error-handling and device remove i2c cleanup.

Reviewed-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] rc/mce: add mappings for missing keys
Jarod Wilson [Tue, 18 Jan 2011 05:27:45 +0000 (02:27 -0300)]
[media] rc/mce: add mappings for missing keys

Per http://mediacenterguides.com/book/export/html/31 and investigation
by Erin, we were missing these last three mappings to complete the mce
key table. Lets remedy that.

Reported-by: Erin Simonds <fisslefink@gmail.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] gspca - zc3xx: Discard the partial frames
Jean-François Moine [Mon, 24 Jan 2011 19:31:58 +0000 (16:31 -0300)]
[media] gspca - zc3xx: Discard the partial frames

In some cases, some frames may not end with the JPEG end of frame.
Being not complete, they are now discarded.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] gspca - zc3xx: Fix bad images with the sensor hv7131r
Jean-François Moine [Mon, 24 Jan 2011 19:22:11 +0000 (16:22 -0300)]
[media] gspca - zc3xx: Fix bad images with the sensor hv7131r

The problem was introduced by the commit 2af0b4c60cc0daf0.
Some registers were no more initialized.

Tested-by: <Giovanni Scafora giovanni@archlinux.org>
Tested-by: <Sergey Manucharian sm@ingeniware.com>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] gspca - zc3xx: Bad delay when given by a table
Jean-François Moine [Mon, 24 Jan 2011 18:15:34 +0000 (15:15 -0300)]
[media] gspca - zc3xx: Bad delay when given by a table

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years agoLinux 2.6.38-rc2
Linus Torvalds [Sat, 22 Jan 2011 03:01:34 +0000 (19:01 -0800)]
Linux 2.6.38-rc2

13 years agoMerge branch 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Sat, 22 Jan 2011 00:50:31 +0000 (16:50 -0800)]
Merge branch 'media_fixes' of git://git./linux/kernel/git/mchehab/linux-2.6

* 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (101 commits)
  [media] staging/lirc: fix mem leaks and ptr err usage
  [media] hdpvr: reduce latency of i2c read/write w/recycled buffer
  [media] hdpvr: enable IR part
  [media] rc/mceusb: timeout should be in ns, not us
  [media] v4l2-device: fix 'use-after-freed' oops
  [media] v4l2-dev: don't memset video_device.dev
  [media] zoran: use video_device_alloc instead of kmalloc
  [media] w9966: zero device state after a detach
  [media] v4l: Fix a use-before-set in the control framework
  [media] v4l: Include linux/videodev2.h in media/v4l2-ctrls.h
  [media] DocBook/v4l: update V4L2 revision and update copyright years
  [media] DocBook/v4l: fix validation error in dev-rds.xml
  [media] v4l2-ctrls: queryctrl shouldn't attempt to replace V4L2_CID_PRIVATE_BASE IDs
  [media] v4l2-ctrls: fix missing 'read-only' check
  [media] pvrusb2: Provide more information about IR units to lirc_zilog and ir-kbd-i2c
  [media] ir-kbd-i2c: Add back defaults setting for Zilog Z8's at addr 0x71
  [media] lirc_zilog: Update TODO.lirc_zilog
  [media] lirc_zilog: Add Andy Walls to copyright notice and authors list
  [media] lirc_zilog: Remove useless struct i2c_driver.command function
  [media] lirc_zilog: Remove unneeded tests for existence of the IR Tx function
  ...

13 years agoKEYS: Fix up comments in key management code
David Howells [Thu, 20 Jan 2011 16:38:33 +0000 (16:38 +0000)]
KEYS: Fix up comments in key management code

Fix up comments in the key management code.  No functional changes.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoKEYS: Do some style cleanup in the key management code.
David Howells [Thu, 20 Jan 2011 16:38:27 +0000 (16:38 +0000)]
KEYS: Do some style cleanup in the key management code.

Do a bit of a style clean up in the key management code.  No functional
changes.

Done using:

  perl -p -i -e 's!^/[*]*/\n!!' security/keys/*.c
  perl -p -i -e 's!} /[*] end [a-z0-9_]*[(][)] [*]/\n!}\n!' security/keys/*.c
  sed -i -s -e ": next" -e N -e 's/^\n[}]$/}/' -e t -e P -e 's/^.*\n//' -e "b next" security/keys/*.c

To remove /*****/ lines, remove comments on the closing brace of a
function to name the function and remove blank lines before the closing
brace of a function.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
Linus Torvalds [Fri, 21 Jan 2011 21:44:07 +0000 (13:44 -0800)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: fix up CIFSSMBEcho for unaligned access
  cifs: fix unaligned accesses in cifsConvertToUCS
  cifs: clean up unaligned accesses in cifs_unicode.c
  cifs: fix unaligned access in check2ndT2 and coalesce_t2
  cifs: clean up unaligned accesses in validate_t2
  cifs: use get/put_unaligned functions to access ByteCount
  cifs: move time field in cifsInodeInfo
  cifs: TCP_Server_Info diet
  CIFS: Implement cifs_strict_readv (try #4)
  CIFS: Implement cifs_file_strict_mmap (try #2)
  CIFS: Implement cifs_strict_fsync
  CIFS: Make cifsFileInfo_put work with strict cache mode

13 years agoMerge branch 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Linus Torvalds [Fri, 21 Jan 2011 21:43:21 +0000 (13:43 -0800)]
Merge branch 'fixes-2.6.38' of git://git./linux/kernel/git/tj/percpu

* 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
  x86,percpu: Move out of place 64 bit ops into X86_64 section

13 years agoMerge branch 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Linus Torvalds [Fri, 21 Jan 2011 21:38:57 +0000 (13:38 -0800)]
Merge branch 'fixes-2.6.38' of git://git./linux/kernel/git/tj/wq

* 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: note the nested NOT_RUNNING test in worker_clr_flags() isn't a noop
  workqueue: relax lockdep annotation on flush_work()

13 years agoMerge branch 'irq-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 21 Jan 2011 21:38:26 +0000 (13:38 -0800)]
Merge branch 'irq-cleanup-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'irq-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (37 commits)
  um: Use generic irq Kconfig
  tile: Use generic irq Kconfig
  sparc: Use generic irq Kconfig
  score: Use generic irq Kconfig
  powerpc: Use generic irq Kconfig
  parisc: Use generic irq Kconfig
  mn10300: Use generic irq Kconfig
  microblaze: Use generic irq Kconfig
  m68knommu: Use generic irq Kconfig
  ia64: Use generic irq Kconfig
  frv: Use generic irq Kconfig
  blackfin: Use generic irq Kconfig
  alpha: Use generic irq Kconfig
  genirq: Remove __do_IRQ
  m32r: Convert to generic irq Kconfig
  m32r: Convert usrv platform irq handling
  m32r: Convert opsput_lcdpld irq chip
  m32r: Convert opsput lanpld irq chip
  m32r: Convert opsput pld irq chip
  m32r: Convert opsput irq chip
  ...

13 years agoMerge branch 'stable/bug-fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 21 Jan 2011 21:35:10 +0000 (13:35 -0800)]
Merge branch 'stable/bug-fixes-rc1' of git://git./linux/kernel/git/konrad/xen

* 'stable/bug-fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen: p2m: correctly initialize partial p2m leaf
  xen: fix non-ANSI function warning in irq.c

13 years agoMerge branches 'fixes' and 'fwnet' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 21 Jan 2011 21:34:39 +0000 (13:34 -0800)]
Merge branches 'fixes' and 'fwnet' of git://git./linux/kernel/git/ieee1394/linux1394-2.6

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: core: fix unstable I/O with Canon camcorder

* 'fwnet' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: net: is not experimental anymore
  firewire: net: invalidate ARP entries of removed nodes

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Fri, 21 Jan 2011 21:24:33 +0000 (13:24 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda - Fix EAPD to low on CZC P10T tablet computer with ALC662
  ALSA: HDA: Add SKU ignore for another Thinkpad Edge 14
  ALSA: hda - Fix "unused variable" compile warning
  ALSA: hda - Add quirk for HP Z-series workstation
  Revert "ALSA: HDA: Create mixers on ALC887"
  ASoC: PXA: Fix codec address on Zipit Z2
  ASoC: PXA: Fix jack detection on Zipit Z2
  ASoC: Blackfin: fix DAI/SPORT config dependency issues
  ASoC: Blackfin TDM: use external frame syncs
  ASoC: Blackfin AC97: fix build error after multi-component update
  ASoC: Blackfin TDM: fix missed snd_soc_dai_get_drvdata update
  ASoC: documentation updates
  ALSA: ice1712 delta - initialize SPI clock

13 years agoMerge branch 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6
Linus Torvalds [Fri, 21 Jan 2011 21:24:16 +0000 (13:24 -0800)]
Merge branch 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6

* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6:
  powerpc/83xx: fix build failures on dt compatible list.

13 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Fri, 21 Jan 2011 21:23:52 +0000 (13:23 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (34 commits)
  powerpc/mpic: Fix mask/unmask timeout message
  powerpc/pseries: Add BNX2=m to defconfig
  powerpc: Enable 64kB pages and 1024 threads in pseries config
  powerpc: Disable mcount tracers in pseries defconfig
  powerpc/boot/dts: Install dts from the right directory
  powerpc: machine_check_generic is wrong on 64bit
  powerpc: Check RTAS extended log flag before checking length
  powerpc: Fix corruption when grabbing FWNMI data
  powerpc: Rework pseries machine check handler
  powerpc: Don't silently handle machine checks from userspace
  powerpc: Remove duplicate debugger hook in machine_check_exception
  powerpc: Never halt RTAS error logging after receiving an unrecoverable machine check
  powerpc: Don't force MSR_RI in machine_check_exception
  powerpc: Print 32 bits of DSISR in show_regs
  powerpc/kdump: Disable ftrace during kexec
  powerpc/kdump: Move crash_kexec_stop_spus to kdump crash handler
  powerpc/kexec: Remove empty ppc_md.machine_kexec_prepare
  powerpc/kexec: Don't initialise kexec hooks to default handlers
  powerpc/kdump: Remove ppc_md.machine_crash_shutdown
  powerpc/kexec: Remove ppc_md.machine_kexec
  ...

13 years agomm: System without MMU do not need pte_mkwrite
Michal Simek [Fri, 21 Jan 2011 07:49:56 +0000 (08:49 +0100)]
mm: System without MMU do not need pte_mkwrite

The patch "thp: export maybe_mkwrite" (commit 14fd403f2146) breaks
systems without MMU.

Error log:

    CC      arch/microblaze/mm/init.o
  In file included from include/linux/mman.h:14,
                   from arch/microblaze/mm/consistent.c:24:
  include/linux/mm.h: In function 'maybe_mkwrite':
  include/linux/mm.h:482: error: implicit declaration of function 'pte_mkwrite'
  include/linux/mm.h:482: error: incompatible types in assignment

Signed-off-by: Michal Simek <monstr@monstr.eu>
CC: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMAINTAINERS: Update Roland Dreier's email address
Roland Dreier [Fri, 21 Jan 2011 00:23:08 +0000 (16:23 -0800)]
MAINTAINERS: Update Roland Dreier's email address

The cisco.com address will stop working soon, and besides no one can
remember the second "d" in "rolandd" or how to spell "rdreier."

Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoxen: p2m: correctly initialize partial p2m leaf
Stefan Bader [Thu, 20 Jan 2011 14:38:23 +0000 (15:38 +0100)]
xen: p2m: correctly initialize partial p2m leaf

After changing the p2m mapping to a tree by

  commit 58e05027b530ff081ecea68e38de8d59db8f87e0
    xen: convert p2m to a 3 level tree

and trying to boot a DomU with 615MB of memory, the following crash was
observed in the dump:

kernel direct mapping tables up to 26f00000 @ 1ec4000-1fff000
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<c0107397>] xen_set_pte+0x27/0x60
*pdpt = 0000000000000000 *pde = 0000000000000000

Adding further debug statements showed that when trying to set up
pfn=0x26700 the returned mapping was invalid.

pfn=0x266ff calling set_pte(0xc1fe77f8, 0x6b3003)
pfn=0x26700 calling set_pte(0xc1fe7800, 0x3)

Although the last_pfn obtained from the startup info is 0x26700, which
should in turn not be hit, the additional 8MB which are added as extra
memory normally seem to be ok. This lead to looking into the initial
p2m tree construction, which uses the smaller value and assuming that
there is other code handling the extra memory.

When the p2m tree is set up, the leaves are directly pointed to the
array which the domain builder set up. But if the mapping is not on a
boundary that fits into one p2m page, this will result in the last leaf
being only partially valid. And as the invalid entries are not
initialized in that case, things go badly wrong.

I am trying to fix that by checking whether the current leaf is a
complete map and if not, allocate a completely new page and copy only
the valid pointers there. This may not be the most efficient or elegant
solution, but at least it seems to allow me booting DomUs with memory
assignments all over the range.

BugLink: http://bugs.launchpad.net/bugs/686692
[v2: Redid a bit of commit wording and fixed a compile warning]

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
13 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux...
Linus Torvalds [Fri, 21 Jan 2011 15:33:37 +0000 (07:33 -0800)]
Merge branch 'for_linus' of git://git./linux/kernel/git/jack/linux-fs-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
  quota: Fix deadlock during path resolution

13 years agoum: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:46:24 +0000 (20:46 +0100)]
um: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jeff Dike <jdike@addtoit.com>
13 years agotile: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:44:43 +0000 (20:44 +0100)]
tile: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
13 years agosparc: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:43:56 +0000 (20:43 +0100)]
sparc: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: "David S. Miller" <davem@davemloft.net>
13 years agoscore: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:41:19 +0000 (20:41 +0100)]
score: Use generic irq Kconfig

No functional change

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Chen Liqin <liqin.chen@sunplusct.com>
13 years agopowerpc: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:39:39 +0000 (20:39 +0100)]
powerpc: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agoparisc: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:38:30 +0000 (20:38 +0100)]
parisc: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com>
13 years agomn10300: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:36:02 +0000 (20:36 +0100)]
mn10300: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David Howells <dhowells@redhat.com>
13 years agomicroblaze: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:35:05 +0000 (20:35 +0100)]
microblaze: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michal Simek <monstr@monstr.eu>
13 years agom68knommu: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:34:21 +0000 (20:34 +0100)]
m68knommu: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Ungerer <gerg@uclinux.org>
13 years agoia64: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:32:46 +0000 (20:32 +0100)]
ia64: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Tony Luck <tony.luck@intel.com>
13 years agofrv: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:32:04 +0000 (20:32 +0100)]
frv: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David Howells <dhowells@redhat.com>
13 years agoblackfin: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:29:58 +0000 (20:29 +0100)]
blackfin: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mike Frysinger <vapier@gentoo.org>
13 years agoalpha: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:27:11 +0000 (20:27 +0100)]
alpha: Use generic irq Kconfig

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Richard Henderson <rth@twiddle.net>
13 years agogenirq: Remove __do_IRQ
Thomas Gleixner [Wed, 19 Jan 2011 18:41:35 +0000 (19:41 +0100)]
genirq: Remove __do_IRQ

All architectures are finally converted. Remove the cruft.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Michal Simek <monstr@monstr.eu>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Jeff Dike <jdike@addtoit.com>
13 years agom32r: Convert to generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 18:17:10 +0000 (19:17 +0100)]
m32r: Convert to generic irq Kconfig

Use the generic irq Kconfig. Select GENERIC_HARDIRQS_NO_DEPRECATED as
we have converted all irq_chip functions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert usrv platform irq handling
Thomas Gleixner [Wed, 19 Jan 2011 18:10:18 +0000 (19:10 +0100)]
m32r: Convert usrv platform irq handling

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert opsput_lcdpld irq chip
Thomas Gleixner [Wed, 19 Jan 2011 18:01:23 +0000 (19:01 +0100)]
m32r: Convert opsput_lcdpld irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert opsput lanpld irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:58:45 +0000 (18:58 +0100)]
m32r: Convert opsput lanpld irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert opsput pld irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:55:09 +0000 (18:55 +0100)]
m32r: Convert opsput pld irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert opsput irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:48:15 +0000 (18:48 +0100)]
m32r: Convert opsput irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert oaks32r irq chips
Thomas Gleixner [Wed, 19 Jan 2011 17:44:10 +0000 (18:44 +0100)]
m32r: Convert oaks32r irq chips

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert mappi3 irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:39:27 +0000 (18:39 +0100)]
m32r: Convert mappi3 irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert mappi2 irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:34:51 +0000 (18:34 +0100)]
m32r: Convert mappi2 irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert mappi irq chips
Thomas Gleixner [Wed, 19 Jan 2011 17:27:59 +0000 (18:27 +0100)]
m32r: Convert mappi irq chips

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert m32700ut lcdpld irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:19:42 +0000 (18:19 +0100)]
m32r: Convert m32700ut lcdpld irq chip

Convert the irq chip to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert m32700ut lanpld irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:14:21 +0000 (18:14 +0100)]
m32r: Convert m32700ut lanpld irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert m32700ut pld irq chip
Thomas Gleixner [Wed, 19 Jan 2011 16:41:51 +0000 (17:41 +0100)]
m32r: Convert m32700ut pld irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert m32104ut irq chip
Thomas Gleixner [Tue, 11 Jan 2011 09:43:49 +0000 (10:43 +0100)]
m32r: Convert m32104ut irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Convert m32104ut irq handling
Thomas Gleixner [Wed, 19 Jan 2011 16:02:29 +0000 (17:02 +0100)]
m32r: Convert m32104ut irq handling

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agom32r: Cleanup direct irq_desc access
Thomas Gleixner [Wed, 22 Sep 2010 17:13:16 +0000 (19:13 +0200)]
m32r: Cleanup direct irq_desc access

The irq descriptors are already initialized by the generic
code. Remove the redundant init code and set the irq chip with the
proper accessor function.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agocris: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 13:20:13 +0000 (14:20 +0100)]
cris: Use generic irq Kconfig

Use the generic irq Kconfig. Select GENERIC_HARDIRQS_NO_DEPRECATED as
we have converted all irq_chip functions. Fix the fallout in
show_interrupts().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mikael Starvik <starvik@axis.com>
13 years agocris: Convert V32 interrupt handling
Thomas Gleixner [Wed, 19 Jan 2011 13:05:30 +0000 (14:05 +0100)]
cris: Convert V32 interrupt handling

Convert the irq chip functions and install handle_simple_irq for each
interrupt to get rid of __do_IRQ()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mikael Starvik <starvik@axis.com>
13 years agocris: Convert V10 interrupt handling
Thomas Gleixner [Wed, 19 Jan 2011 12:54:54 +0000 (13:54 +0100)]
cris: Convert V10 interrupt handling

Convert the irq_chip functions and install handle_simple_irq for each
interrupt. This converts V10 to the flow handling and lets us remove
__do_IRQ().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mikael Starvik <starvik@axis.com>
13 years agocris: Use irq handling wrapper
Thomas Gleixner [Wed, 19 Jan 2011 12:59:01 +0000 (13:59 +0100)]
cris: Use irq handling wrapper

Use the wrapper around __do_IRQ() so we can convert V10 and V32
seperately.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mikael Starvik <starvik@axis.com>
13 years agoh8300: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 11:26:32 +0000 (12:26 +0100)]
h8300: Use generic irq Kconfig

Switch to the generic irq Kconfig. h8300 has all irq chips converted
to the new functions, so select the GENERIC_HARDIRQS_NO_DEPRECATED
switch as well. Fixup the resulting fallout in show_interrupts().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agoh8300: Convert interrupt handling to flow handler
Thomas Gleixner [Wed, 19 Jan 2011 11:18:57 +0000 (12:18 +0100)]
h8300: Convert interrupt handling to flow handler

__do_IRQ is deprecated so h8300 needs to be converted to proper flow
handling. The irq chip is simple and does not required any
mask/ack/eoi functions, so we can use handle_simple_irq.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agoh8300: Convert to new irq_chip functions
Thomas Gleixner [Wed, 19 Jan 2011 11:15:29 +0000 (12:15 +0100)]
h8300: Convert to new irq_chip functions

No functional change, just straight forward conversion.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Paul Mundt <lethal@linux-sh.org>
13 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Fri, 21 Jan 2011 07:10:14 +0000 (08:10 +0100)]
Merge branch 'fix/asoc' into for-linus

13 years agoMerge branch 'fix/misc' into for-linus
Takashi Iwai [Fri, 21 Jan 2011 07:10:09 +0000 (08:10 +0100)]
Merge branch 'fix/misc' into for-linus

13 years agopowerpc/mpic: Fix mask/unmask timeout message
Scott Wood [Mon, 17 Jan 2011 12:10:41 +0000 (12:10 +0000)]
powerpc/mpic: Fix mask/unmask timeout message

Don't say that enable timed out when it was disable, and
show which IRQ had the problem.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/pseries: Add BNX2=m to defconfig
Nishanth Aravamudan [Thu, 13 Jan 2011 13:22:39 +0000 (13:22 +0000)]
powerpc/pseries: Add BNX2=m to defconfig

Upcoming servers will include a Broadcom NIC, add to the defconfig to
increase testing coverage and make sure mainline builds come up with
networking.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Enable 64kB pages and 1024 threads in pseries config
Anton Blanchard [Wed, 12 Jan 2011 02:14:32 +0000 (02:14 +0000)]
powerpc: Enable 64kB pages and 1024 threads in pseries config

- Enable 64kB pages so it gets some regular testing.

- The largest POWER7 has 1024 threads so bump NR_CPUS it to match.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Disable mcount tracers in pseries defconfig
Anton Blanchard [Wed, 12 Jan 2011 02:12:43 +0000 (02:12 +0000)]
powerpc: Disable mcount tracers in pseries defconfig

IRQSOFF_TRACER and STACK_TRACER force the kernel to be built with -pg
which is a substantial overhead.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/boot/dts: Install dts from the right directory
Ben Hutchings [Sat, 8 Jan 2011 14:24:01 +0000 (14:24 +0000)]
powerpc/boot/dts: Install dts from the right directory

The dts-installed variable is initialised using a wildcard path that
will be expanded relative to the build directory.  Use the existing
variable dtstree to generate an absolute wildcard path that will work
when building in a separate directory.

Reported-by: Gerhard Pircher <gerhard_pircher@gmx.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Tested-by: Gerhard Pircher <gerhard_pircher@gmx.net> [against 2.6.32]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: machine_check_generic is wrong on 64bit
Anton Blanchard [Tue, 11 Jan 2011 19:52:31 +0000 (19:52 +0000)]
powerpc: machine_check_generic is wrong on 64bit

Decoding machine checks is CPU specific and so machine_check_generic doesn't
do the right thing on 64bit chips. Luckily we never call into this code
because we call ppc_md.machine_check_exception instead if available.

Since we check cur_cpu_spec->machine_check before calling it, we may as
well remove machine_check_generic from 64bit archs.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Check RTAS extended log flag before checking length
Anton Blanchard [Tue, 11 Jan 2011 19:51:31 +0000 (19:51 +0000)]
powerpc: Check RTAS extended log flag before checking length

The spec suggests we should first check the extended log flag before checking
the length field.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Fix corruption when grabbing FWNMI data
Anton Blanchard [Tue, 11 Jan 2011 19:50:51 +0000 (19:50 +0000)]
powerpc: Fix corruption when grabbing FWNMI data

The FWNMI code uses a global buffer without any locks to read the RTAS error
information. If two CPUs take a machine check at once then we will corrupt
this buffer.

Since most FWNMI rtas messages are not of the extended type, we can create a
64bit percpu buffer and use it where possible. If we do receive an extended
RTAS log then we fall back to the old behaviour of using the global buffer.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Rework pseries machine check handler
Anton Blanchard [Tue, 11 Jan 2011 19:49:19 +0000 (19:49 +0000)]
powerpc: Rework pseries machine check handler

Rework pseries machine check handler:

- If MSR_RI isn't set, we cannot recover even if the machine check was fully
  recovered

- Rename nonfatal to recovered

- Handle RTAS_DISP_LIMITED_RECOVERY

- Use BUS_MCEERR_AR instead of BUS_ADRERR

- Don't check all the RTAS error log fields when receiving a synchronous
  machine check. Recent versions of the pseries firmware do not fill them
  in during a machine check and instead send a follow up error log with
  the detailed information. If we see a synchronous machine check, and we
  came from userspace then kill the task.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Don't silently handle machine checks from userspace
Anton Blanchard [Tue, 11 Jan 2011 19:48:14 +0000 (19:48 +0000)]
powerpc: Don't silently handle machine checks from userspace

If a machine check comes from userspace we send a SIGBUS to the task and
fail to printk anything.

If we are taking machine checks due to bad hardware we want to know about
it right away. Furthermore if we don't complain loudly then it will look
a lot like a bug in the userspace application, potentially causing a lot
of confusion.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Remove duplicate debugger hook in machine_check_exception
Anton Blanchard [Tue, 11 Jan 2011 19:47:20 +0000 (19:47 +0000)]
powerpc: Remove duplicate debugger hook in machine_check_exception

We are calling debugger_fault_handler twice in machine_check_exception.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Never halt RTAS error logging after receiving an unrecoverable machine check
Anton Blanchard [Tue, 11 Jan 2011 19:46:29 +0000 (19:46 +0000)]
powerpc: Never halt RTAS error logging after receiving an unrecoverable machine check

Newer versions of the System p firwmare send a partial RTAS error log in the
machine check handler with a more detailed response appearing sometime later
via check event.

This means at machine check time we do not have enough information to
ascertain exactly what went on. Furthermore, I have found the RTAS error
logs in the machine check handler contain no useful information, so halting on
them makes little sense. If we want to halt it would make more sense to do
it following the error log received sometime later via check event.

In light of this, never halt the error log in the pseries machine
check handler.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Don't force MSR_RI in machine_check_exception
Anton Blanchard [Tue, 11 Jan 2011 19:45:31 +0000 (19:45 +0000)]
powerpc: Don't force MSR_RI in machine_check_exception

We should never force MSR_RI on. If we take a machine check with MSR_RI off
then we have no chance of recovering safely.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Print 32 bits of DSISR in show_regs
Anton Blanchard [Tue, 11 Jan 2011 19:44:30 +0000 (19:44 +0000)]
powerpc: Print 32 bits of DSISR in show_regs

We were printing 64 bits of DSISR in show_regs even though it is 32 bit.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/kdump: Disable ftrace during kexec
Anton Blanchard [Thu, 6 Jan 2011 18:00:36 +0000 (18:00 +0000)]
powerpc/kdump: Disable ftrace during kexec

We should disable ftrace during kexec, some of the tracers are very invasive
and we do not want them going off while doing the low level work of swapping
one kernel out for another. This mirrors what we do on x86.

Even though we cannot return from a kexec on powerpc (since we do not implement
CONFIG_KEXEC_JUMP), add the restore code in case we do one day.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/kdump: Move crash_kexec_stop_spus to kdump crash handler
Anton Blanchard [Fri, 21 Jan 2011 02:43:59 +0000 (13:43 +1100)]
powerpc/kdump: Move crash_kexec_stop_spus to kdump crash handler

Use the crash handler hooks to run the SPU stop code, just like we do for
ehea and cell RAS code.

While I'm here I noticed "CPUSs reliabally"

so fix the spelling MISTAKESs reliabally.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/kexec: Remove empty ppc_md.machine_kexec_prepare
Anton Blanchard [Thu, 6 Jan 2011 17:58:36 +0000 (17:58 +0000)]
powerpc/kexec: Remove empty ppc_md.machine_kexec_prepare

We check for a valid handler before calling ppc_md.machine_kexec_prepare
so we can just remove these empty handlers.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/kexec: Don't initialise kexec hooks to default handlers
Anton Blanchard [Thu, 6 Jan 2011 17:57:03 +0000 (17:57 +0000)]
powerpc/kexec: Don't initialise kexec hooks to default handlers

There's no need to initialise ppc_md.machine_kexec and
ppc_md.machine_kexec_prepare to the default handlers.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/kdump: Remove ppc_md.machine_crash_shutdown
Anton Blanchard [Thu, 6 Jan 2011 17:56:09 +0000 (17:56 +0000)]
powerpc/kdump: Remove ppc_md.machine_crash_shutdown

No one uses ppc_md.machine_crash_shutdown, so remove it.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/kexec: Remove ppc_md.machine_kexec
Anton Blanchard [Thu, 6 Jan 2011 17:55:36 +0000 (17:55 +0000)]
powerpc/kexec: Remove ppc_md.machine_kexec

No one uses ppc_md.machine_kexec, so remove it.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/kexec: Remove ppc_md.machine_kexec_cleanup
Anton Blanchard [Thu, 6 Jan 2011 17:54:58 +0000 (17:54 +0000)]
powerpc/kexec: Remove ppc_md.machine_kexec_cleanup

No one uses ppc_md.machine_kexec_cleanup, so remove it.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/kexec: Move all ppc_md kexec function pointers together
Anton Blanchard [Thu, 6 Jan 2011 17:54:15 +0000 (17:54 +0000)]
powerpc/kexec: Move all ppc_md kexec function pointers together

Move all the kexec handlers together.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/cell: Use system_wq in cpufreq_spudemand
Tejun Heo [Mon, 3 Jan 2011 03:49:25 +0000 (03:49 +0000)]
powerpc/cell: Use system_wq in cpufreq_spudemand

With cmwq, there's no reason to use a separate workqueue in
cpufreq_spudemand.  Use system_wq instead.  The work items are already
sync canceled on stop, so it's already guaranteed that no work is
running when spu_gov_exit() is entered.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Dave Jones <davej@redhat.com>
Cc: cpufreq@vger.kernel.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/macintosh: Fix wrong test in fan_{read,write}_reg()
roel kluin [Fri, 31 Dec 2010 04:57:46 +0000 (04:57 +0000)]
powerpc/macintosh: Fix wrong test in fan_{read,write}_reg()

Fix error test in fan_{read,write}_reg()

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/rtas_flash: Use simple_read_from_buffer
Akinobu Mita [Fri, 24 Dec 2010 20:03:59 +0000 (20:03 +0000)]
powerpc/rtas_flash: Use simple_read_from_buffer

Simplify read file operation for /proc/powerpc/rtas/* interface
by using simple_read_from_buffer.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/spufs: Use simple_write_to_buffer
Akinobu Mita [Fri, 24 Dec 2010 20:03:56 +0000 (20:03 +0000)]
powerpc/spufs: Use simple_write_to_buffer

Simplify several write fileoperations for spufs by using
simple_write_to_buffer().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/ppc32/tracing: Add stack frame to calls of trace_hardirqs_on/off
Steven Rostedt [Wed, 22 Dec 2010 16:42:56 +0000 (16:42 +0000)]
powerpc/ppc32/tracing: Add stack frame to calls of trace_hardirqs_on/off

32-bit variant of the previous patch for 64-bit:

<<
    When an interrupt occurs in userspace, we can call trace_hardirqs_on/off()
    With one level stack. But if we have irqsoff tracing enabled,
    it checks both CALLER_ADDR0 and CALLER_ADDR1. The second call
    goes two stack frames up. If this is from user space, then there may
    not exist a second stack....
>>

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc/ppc64/tracing: Add stack frame to calls of trace_hardirqs_on/off
Steven Rostedt [Thu, 23 Dec 2010 19:46:06 +0000 (19:46 +0000)]
powerpc/ppc64/tracing: Add stack frame to calls of trace_hardirqs_on/off

    When an interrupt occurs in userspace, we can call trace_hardirqs_on/off()
    With one level stack. But if we have irqsoff tracing enabled,
    it checks both CALLER_ADDR0 and CALLER_ADDR1. The second call
    goes two stack frames up. If this is from user space, then there may
    not exist a second stack.

    Add a second stack when calling trace_hardirqs_on/off() otherwise
    the following oops might occur:

    Oops: Kernel access of bad area, sig: 11 [#1]
    PREEMPT SMP NR_CPUS=2 PA Semi PWRficient
    last sysfs file: /sys/block/sda/size
    Modules linked in: ohci_hcd ehci_hcd usbcore
    NIP: c0000000000e1c00 LR: c0000000000034d4 CTR: 000000011012c440
    REGS: c00000003e2f3af0 TRAP: 0300   Not tainted  (2.6.37-rc6+)
    MSR: 9000000000001032 <ME,IR,DR>  CR: 48044444  XER: 20000000
    DAR: 00000001ffb9db50, DSISR: 0000000040000000
    TASK = c00000003e1a00a0[2088] 'emacs' THREAD: c00000003e2f0000 CPU: 1
    GPR00: 0000000000000001 c00000003e2f3d70 c00000000084e0d0 c0000000008816e8
    GPR04: 000000001034c678 000000001032e8f9 0000000010336540 0000000040020000
    GPR08: 0000000040020000 00000001ffb9db40 c00000003e2f3e30 0000000060000000
    GPR12: 100000000000f032 c00000000fff0280 000000001032e8c9 0000000000000008
    GPR16: 00000000105be9c0 00000000105be950 00000000105be9b0 00000000105be950
    GPR20: 00000000ffb9dc50 00000000ffb9dbf0 00000000102f0000 00000000102f0000
    GPR24: 00000000102e0000 00000000102f0000 0000000010336540 c0000000009ded38
    GPR28: 00000000102e0000 c0000000000034d4 c0000000007ccb10 c00000003e2f3d70
    NIP [c0000000000e1c00] .trace_hardirqs_off+0xb0/0x1d0
    LR [c0000000000034d4] decrementer_common+0xd4/0x100
    Call Trace:
    [c00000003e2f3d70] [c00000003e2f3e30] 0xc00000003e2f3e30 (unreliable)
    [c00000003e2f3e30] [c0000000000034d4] decrementer_common+0xd4/0x100
    Instruction dump:
    81690000 7f8b0000 419e0018 f84a0028 60000000 60000000 60000000 e95f0000
    80030000 e92a0000 eb6301f8 2f800000 <eb89001041fe00dc a06d000a eb1e8050
    ---[ end trace 4ec7fd2be9240928 ]---

Reported-by: Joerg Sommer <joerg@alea.gnuu.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agopowerpc: Ensure the else case of feature sections will fit
Michael Ellerman [Sun, 7 Nov 2010 18:22:29 +0000 (18:22 +0000)]
powerpc: Ensure the else case of feature sections will fit

When we create an alternative feature section, the else case must be the
same size or smaller than the body. This is because when we patch the
else case in we just overwrite the body, so there must be room.

Up to now we just did this by inspection, but it's quite easy to enforce
it in the assembler, so we should.

The only change is to add the ifgt block, but that effects the alignment
of the tabs and so the whole macro is modified.

Also add a test, but #if 0 it because we don't want to break the build.
Anyone who's modifying the feature macros should enable the test.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agoMerge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 21 Jan 2011 02:30:37 +0000 (18:30 -0800)]
Merge branch 'core-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  smp: Allow on_each_cpu() to be called while early_boot_irqs_disabled status to init/main.c
  lockdep: Move early boot local IRQ enable/disable status to init/main.c

13 years agoACPI / PM: Call suspend_nvs_free() earlier during resume
Rafael J. Wysocki [Wed, 19 Jan 2011 21:27:55 +0000 (22:27 +0100)]
ACPI / PM: Call suspend_nvs_free() earlier during resume

It turns out that some device drivers map pages from the ACPI NVS region
during resume using ioremap(), which conflicts with ioremap_cache() used
for mapping those pages by the NVS save/restore code in nvs.c.

Make the NVS pages mapped by the code in nvs.c be unmapped before device
drivers' resume routines run.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoACPI: Introduce acpi_os_ioremap()
Rafael J. Wysocki [Wed, 19 Jan 2011 21:27:14 +0000 (22:27 +0100)]
ACPI: Introduce acpi_os_ioremap()

Commit ca9b600be38c ("ACPI / PM: Make suspend_nvs_save() use
acpi_os_map_memory()") attempted to prevent the code in osl.c and nvs.c
from using different ioremap() variants by making the latter use
acpi_os_map_memory() for mapping the NVS pages.  However, that also
requires acpi_os_unmap_memory() to be used for unmapping them, which
causes synchronize_rcu() to be executed many times in a row
unnecessarily and introduces substantial delays during resume on some
systems.

Instead of using acpi_os_map_memory() for mapping the NVS pages in nvs.c
introduce acpi_os_ioremap() calling ioremap_cache() and make the code in
both osl.c and nvs.c use it.

Reported-by: Jeff Chua <jeff.chua.linux@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agocifs: fix up CIFSSMBEcho for unaligned access
Jeff Layton [Fri, 21 Jan 2011 02:19:25 +0000 (21:19 -0500)]
cifs: fix up CIFSSMBEcho for unaligned access

Make sure that CIFSSMBEcho can handle unaligned fields. Also fix a minor
bug that causes this warning:

fs/cifs/cifssmb.c: In function 'CIFSSMBEcho':
fs/cifs/cifssmb.c:740: warning: large integer implicitly truncated to unsigned type

...WordCount is u8, not __le16, so no need to convert it.

This patch should apply cleanly on top of the rest of the patchset to
clean up unaligned access.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
13 years agoMerge branch 'for-next'
Steve French [Fri, 21 Jan 2011 02:19:30 +0000 (02:19 +0000)]
Merge branch 'for-next'

13 years agoMerge branch 'akpm'
Linus Torvalds [Fri, 21 Jan 2011 01:02:14 +0000 (17:02 -0800)]
Merge branch 'akpm'

* akpm:
  kernel/smp.c: consolidate writes in smp_call_function_interrupt()
  kernel/smp.c: fix smp_call_function_many() SMP race
  memcg: correctly order reading PCG_USED and pc->mem_cgroup
  backlight: fix 88pm860x_bl macro collision
  drivers/leds/ledtrig-gpio.c: make output match input, tighten input checking
  MAINTAINERS: update Atmel AT91 entry
  mm: fix truncate_setsize() comment
  memcg: fix rmdir, force_empty with THP
  memcg: fix LRU accounting with THP
  memcg: fix USED bit handling at uncharge in THP
  memcg: modify accounting function for supporting THP better
  fs/direct-io.c: don't try to allocate more than BIO_MAX_PAGES in a bio
  mm: compaction: prevent division-by-zero during user-requested compaction
  mm/vmscan.c: remove duplicate include of compaction.h
  memblock: fix memblock_is_region_memory()
  thp: keep highpte mapped until it is no longer needed
  kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT