26 Jan, 2011
7 commits
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Claiming the IRQ each time a playback or capture interface is opened
is wasteful; the second copy of the registered handler is identical to
the first and just wastes resources. Track the number of opens and
only register the handler when necessary.Signed-off-by: Russell King
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Relying on the access time of peripherals is unreliable - it depends
on the speed of the CPU and the bus. On Versatile Express, these
timeouts were expiring, causing the driver to fail.Add udelay(1) to ensure that they don't expire early, and adjust
timeouts to give a reasonable margin over the response times.Signed-off-by: Russell King
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Ensure that a timeout coincident with the condition being waited for
results in success rather than failure. This helps avoid timeout
conditions being inappropriately flagged.Signed-off-by: Russell King
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The EP93xx C and D GPIO ports are multiplexed with the Keypad Interface
peripheral. At power-up they default into non-GPIO mode with the Key
Matrix controller enabled so these ports are unusable for GPIO. Note
that the Keypad Interface peripheral is only available in the EP9307,
EP9312, and EP9315 processor variants.The keypad support will clear the DeviceConfig bits appropriately to
enable the Keypad Interface when the driver is loaded. And, when the
driver is unloaded it will set the bits to return the ports to GPIO mode.To make these ports available for GPIO after power-up on all EP93xx
processor variants, set the KEYS and GONK bits in the DeviceConfig
register.Similarly, the E, G, and H ports are multiplexed with the IDE Interface
peripheral. At power-up these also default into non-GPIO mode. Note
that the IDE peripheral is only available in the EP9312 and EP9315
processor variants.Since an IDE driver is not even available in mainline, set the EONIDE,
GONIDE, and HONIDE bits in the DeviceConfig register so that these
ports will be available for GPIO use after power-up.Signed-off-by: H Hartley Sweeten
Acked-by: Ryan Mallon
Signed-off-by: Russell King -
Changing the virt_to_phys() argument to "const volatile void *" avoids
compiler warnings in some situations where this function is used.Signed-off-by: Catalin Marinas
Acked-by: Stephen Boyd
Acked-by: Arnd Bergmann
Signed-off-by: Russell King -
Ensure that the twd timer reload value is reprogrammed each time we
enter periodic mode. This ensures that the reload value is always
reset correctly.Tested-by: Santosh Shilimkar
Acked-by: Colin Cross
Signed-off-by: Russell King -
Timers on Versatile Express mainboard are used as system clock/event
sources. Driver assumes that they are clocked with 1MHz signal.
Old V2M firmware apparently configured it by default, but on newer
boards one can observe that "sleep 1" command takes over 30 seconds
to finish, as the timers are fed with 32kHz instead...This patch performs required magic and also removes code clearing
timer's control registers, as exactly the same operations are
performed by the timer driver few jiffies later.Signed-off-by: Pawel Moll
Tested-by: Will Deacon
Signed-off-by: Russell King
25 Jan, 2011
3 commits
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Update the option text to those which appear on the front of the
appropriate board user guides. This gives consistent board naming, and
makes it obvious which option is for which platform.Acked-by: Catalin Marinas
Signed-off-by: Russell King -
As no one seems to really know which configuration options tie up with
which boards, I thought I'd do some investigation and try to work it
out. After discussion with some folk in linaro, I think I have this
nailed.The names are updated to use the name on the front of the appropriate
board user guide for the various baseboards, which I've taken to be
the official name for each board.I haven't significantly updated the descriptions for the tiles as that
is even less clear - as far as I can see on ARMs website, there is no
Cortex-A9 tile for Realview EB - only ARM11MPCore, ARM1156T2F-S,
ARM1176TZF-S and Cortex-R4F. So exactly what this 'Multicore Cortex-A9
Tile' is...Acked-by: Catalin Marinas
Signed-off-by: Russell King -
Fix two section mismatch warnings in the platform SMP bringup code for
Realview and Versatile Express:WARNING: arch/arm/mach-realview/built-in.o(.text+0x8ac): Section mismatch in reference from the function write_pen_release() to the variable .cpuinit.data:pen_release
The function write_pen_release() references
the variable __cpuinitdata pen_release.
This is often because write_pen_release lacks a __cpuinitdata
annotation or the annotation of pen_release is wrong.WARNING: arch/arm/mach-vexpress/built-in.o(.text+0x7b4): Section mismatch in reference from the function write_pen_release() to the variable .cpuinit.data:pen_release
The function write_pen_release() references
the variable __cpuinitdata pen_release.
This is often because write_pen_release lacks a __cpuinitdata
annotation or the annotation of pen_release is wrong.Signed-off-by: Russell King
22 Jan, 2011
16 commits
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* '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
... -
Fix up comments in the key management code. No functional changes.
Signed-off-by: David Howells
Signed-off-by: Linus Torvalds -
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/*.cTo 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
Signed-off-by: Linus Torvalds -
* 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 -
* '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 -
* '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() -
…l/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
... -
* '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 -
…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 -
* '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 -
* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6:
powerpc/83xx: fix build failures on dt compatible list. -
* '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
... -
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 assignmentSigned-off-by: Michal Simek
CC: Andrea Arcangeli
Reviewed-by: Rik van Riel
CC: Andrew Morton
CC: Ingo Molnar
Signed-off-by: Linus Torvalds -
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
Signed-off-by: Linus Torvalds -
After changing the p2m mapping to a tree by
commit 58e05027b530ff081ecea68e38de8d59db8f87e0
xen: convert p2m to a 3 level treeand 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: [] xen_set_pte+0x27/0x60
*pdpt = 0000000000000000 *pde = 0000000000000000Adding 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
Signed-off-by: Konrad Rzeszutek Wilk
21 Jan, 2011
14 commits
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* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
quota: Fix deadlock during path resolution -
No functional change.
Signed-off-by: Thomas Gleixner
Cc: Andrew Morton
Cc: Jeff Dike -
No functional change.
Signed-off-by: Thomas Gleixner
Acked-by: Chris Metcalf -
No functional change.
Signed-off-by: Thomas Gleixner
Acked-by: "David S. Miller" -
No functional change
Signed-off-by: Thomas Gleixner
Acked-by: Chen Liqin -
No functional change.
Signed-off-by: Thomas Gleixner
Cc: Benjamin Herrenschmidt -
No functional change.
Signed-off-by: Thomas Gleixner
Cc: Kyle McMartin
Acked-by: James Bottomley -
No functional change.
Signed-off-by: Thomas Gleixner
Acked-by: David Howells -
No functional change.
Signed-off-by: Thomas Gleixner
Acked-by: Michal Simek -
No functional change.
Signed-off-by: Thomas Gleixner
Cc: Greg Ungerer -
No functional change.
Signed-off-by: Thomas Gleixner
Acked-by: Tony Luck -
No functional change.
Signed-off-by: Thomas Gleixner
Acked-by: David Howells -
No functional change.
Signed-off-by: Thomas Gleixner
Cc: Mike Frysinger -
Signed-off-by: Thomas Gleixner
Cc: Richard Henderson
