30 Apr, 2007
2 commits
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* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (86 commits)
SPIN_LOCK_UNLOCKED cleanup in drivers/ata/pata_winbond.c
drivers/ata/pata_cmd640.c: fix build with CONFIG_PM=n
pata_hpt37x: Further small fixes
pata_hpt3x2n: Add HPT371N support and other bits
ata: printk warning fixes
libata: separate ATA_EHI_DID_RESET into DID_SOFTRESET and DID_HARDRESET
ahci: consolidate common port flags
ata_timing: ensure t->cycle is always correct
libata: add missing call to ->cable_detect() in new EH path
pata_amd: remove contamination added during cable_detect conversion
libata: Handle drives that require a spin-up command before first access
libata: HPA support
libata: kill probe_ent and related helpers
libata: convert the remaining PATA drivers to new init model
libata: convert the remaining SATA drivers to new init model
libata: convert ata_pci_init_native_mode() users to new init model
libata: convert drivers with combined SATA/PATA ports to new init model
libata: add init helpers including ata_pci_prepare_native_host()
libata: convert native PCI host handling to new init model
libata: convert legacy PCI host handling to new init model
... -
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (105 commits)
sonypi: use mutex instead of semaphore
sony-laptop: remove user visible camera controls as platform attributes
meye: make meye use sony-laptop instead of sonypi
sony-laptop: add a meye-usable include file for camera ops
sony-laptop: complete the motion eye camera support in sony-laptop
sonypi: try to detect if sony-laptop has already taken one of the known ioports
sonypi: suggest sonypi users to try sony-laptop instead
sony-laptop: add edge modem support (also called WWAN)
sony-laptop: add locking on accesses to the ioport and global vars
sony-laptop: add camera enable/disable parameter, better handle possible infinite loop
thinkpad-acpi: make drivers/misc/thinkpad_acpi:fan_mutex static
ACPI: thinkpad-acpi: add sysfs support to wan and bluetooth subdrivers
ACPI: thinkpad-acpi: add sysfs support to hotkey subdriver
ACPI: thinkpad-acpi: improve dock subdriver initialization
ACPI: thinkpad-acpi: improve debugging for acpi helpers
ACPI: thinkpad-acpi: improve fan control documentation
ACPI: thinkpad-acpi: map ENXIO to EINVAL for fan sysfs
ACPI: thinkpad-acpi: fix a fan watchdog invocation
ACPI: thinkpad-acpi: do not arm fan watchdog if it would not work
ACPI: thinkpad-acpi: add a fan-control feature master toggle
...
29 Apr, 2007
1 commit
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Both old-IDE and libata should be able handle all controllers and
devices found using normal resource reservation methods.This eliminates the awful, low-performing split-driver configuration
where old-IDE drove the PATA portion of a PCI device, in PIO-only mode,
and libata drove the SATA portion of the /same/ PCI device, in DMA mode.
Typically vendors would ship SATA hard drive / PATA optical
configuration, which would lend itself to slow (PIO-only) CD-ROM
performance.For Intel users running in combined mode, it is now wholly dependent on
your driver choice (potentially link order, if you compile both drivers
in) whether old-IDE or libata will drive your hardware.In either case, you will get full performance from both SATA and PATA
ports now, without having to pass a kernel command line parameter.Signed-off-by: Jeff Garzik
28 Apr, 2007
2 commits
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This defines a platform hook to enable/disable a device as a wakeup event
source. It's initially for use with ACPI, but more generally it could be used
whenever enable_irq_wake()/disable_irq_wake() don't suffice.The hook is called -- if available -- inside pci_enable_wake(); and the
semantics of that call are enhanced so that support for PCI PME# is no longer
needed. It can now work for devices with "legacy PCI PM", when platform
support allows it. (That support would use some board-specific signal for for
the same purpose as PME#.)[akpm@linux-foundation.org: Make it compile with CONFIG_PM=n]
Signed-off-by: David Brownell
Signed-off-by: Zhang Rui
Cc: Len Brown
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman -
Make multithreaded probing work per subsystem instead of per driver.
It doesn't make much sense to probe the same device for multiple drivers in
parallel (after all, only one driver can bind to the device). Instead, create
a probing thread for each device that probes the drivers one after another.
Also make the decision to use multi-threaded probe per bus instead of per
device and adapt the pci code.Signed-off-by: Cornelia Huck
Cc: Benjamin Herrenschmidt
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman
25 Apr, 2007
1 commit
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The ACPI spec defines the bit and Microsoft uses it,
so Linux must use it too.Signed-off-by: Shaohua Li
Signed-off-by: Len Brown
24 Apr, 2007
1 commit
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This reverts commit ed8ccee0918ad063a4741c0656fda783e02df627.
It causes hang on boot for some users and we don't yet know why:
http://bugzilla.kernel.org/show_bug.cgi?id=7562
http://lkml.org/lkml/2007/4/20/404
http://lkml.org/lkml/2007/3/25/113Just reverse it for 2.6.21-final, having broken X server is somehow
better than unbootable system.Signed-off-by: Bartlomiej Zolnierkiewicz
04 Apr, 2007
1 commit
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This is a simplified and actually more comprehensive form of a bug
fix from Mitch Williams .When we mask or unmask a msi-x irqs the writes may be posted because
we are writing to memory mapped region. This means the mask and
unmask don't happen immediately but at some unspecified time in the
future. Which is out of sync with how the mask/unmask logic work
for ioapic irqs.The practical result is that we get very subtle and hard to track down
irq migration bugs.This patch performs a read flush after writes to the MSI-X table for mask
and unmask operations. Since the SMP affinity is set while the interrupt
is masked, and since it's unmasked immediately after, no additional flushes
are required in the various affinity setting routines.The testing by Mitch Williams on his especially problematic system should
still be valid as I have only simplified the code, not changed the
functionality.We currently have 7 drivers: cciss, mthca, cxgb3, forceth, s2io,
pcie/portdrv_core, and qla2xxx in 2.6.21 that are affected by this
problem when the hardware they driver is plugged into the right slot.Given the difficulty of reproducing this bug and tracing it down to
anything that even remotely resembles a cause, even if people are
being affected we aren't likely to see many meaningful bug reports, and
the people who see this bug aren't likely to be able to reproduce this
bug in a timely fashion. So it is best to get this problem fixed
as soon as we can so people don't have problems.Then if people do have a kernel message stating "No irq for vector" we
will know it is yet another novel cause that needs a complete new
investigation.Cc: Greg KH
Cc: Andrew Morton
Signed-off-by: "Eric W. Biederman"
Acked-by: Mitch Williams
Acked-by: "Siddha, Suresh B"
Signed-off-by: Linus Torvalds
27 Mar, 2007
2 commits
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PCIE error output should conform to vendor_id:device_id.
Signed-off-by: Prarit Bhargava
Signed-off-by: Greg Kroah-Hartman -
It was found that the Toshiba laptops with hidden Intel SMBus have SMM
code handling the thermal management which accesses the SMBus. Thus it
is not safe to unhide it and let Linux access it. We have to leave the
SMBus hidden. SMM is a pain, really.This fixes bugs #6315 and #6395, for good this time.
Signed-off-by: Jean Delvare
Signed-off-by: Greg Kroah-Hartman
13 Mar, 2007
2 commits
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Because we do not reserve space for the pci-x and pci-e state in struct
pci dev we need to dynamically allocate it. However because we need
to support restore being called multiple times after a single save
it is never safe to free the buffers we have allocated to hold the
state.So this patch modifies the save routines to first check to see
if we have already allocated a state buffer before allocating
a new one. Then the restore routines are modified to not free
the state after restoring it. Simple and it fixes some subtle
error path handling bugs, that are hard to test for.Signed-off-by: Eric W. Biederman
Signed-off-by: Greg Kroah-Hartman
Acked-by: Auke Kok
Signed-off-by: Linus Torvalds -
There are two ways pci_save_state and pci_restore_state are used. As
helper functions during suspend/resume, and as helper functions around
a hardware reset event. When used as helper functions around a hardware
reset event there is no reason to believe the calls will be paired, nor
is there a good reason to believe that if we restore the msi state from
before the reset that it will match the current msi state. Since arch
code may change the msi message without going through the driver, drivers
currently do not have enough information to even know when to call
pci_save_state to ensure they will have msi state in sync with the other
kernel irq reception data structures.It turns out the solution is straight forward, cache the state in the
existing msi data structures (not the magic pci saved things) and
have the msi code update the cached state each time we write to the hardware.
This means we never need to read the hardware to figure out what the hardware
state should be.By modifying the caching in this manner we get to remove our save_state
routines and only need to provide restore_state routines.The only fields that were at all tricky to regenerate were the msi and msi-x
control registers and the way we regenerate them currently is a bit dependent
upon assumptions on how we use the allow msi registers to be configured and used
making the code a little bit brittle. If we ever change what cases we allow
or how we configure the msi bits we can address the fragility then.Signed-off-by: Eric W. Biederman
Signed-off-by: Greg Kroah-Hartman
Acked-by: Auke Kok
Signed-off-by: Linus Torvalds
10 Mar, 2007
4 commits
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drivers/pci/search.c caused following section mismatch warning
(if compiled with CONFIG_HOTPLUG=n):WARNING: drivers/pci/built-in.o - Section mismatch: reference to .init.text: from .text.pci_find_bus after 'pci_find_bus' (at offset 0x24)
This was due to pci_find_bus() calling a function marked __devinit.
Fix was to remove the __devinit from the offending function.Signed-off-by: Sam Ravnborg
Signed-off-by: Greg Kroah-Hartman -
Fix following section mismatch warning (when compiled with CONFIG_HOTPLUG=n):
WARNING: drivers/pci/built-in.o - Section mismatch: reference to .init.text:aer_probe from .data between 'aerdrv' (at offset 0x1608) and 'aer_error_handlers'Warning was fixed by renaming aerdrv to aerdriver so we pass the whitelist.
Signed-off-by: Sam Ravnborg
Signed-off-by: Greg Kroah-Hartman -
Fix following section mismatch warning (when compiled with CONFIG_HOTPLUG=n):
WARNING: drivers/pci/built-in.o - Section mismatch: reference to .init.text:pcie_portdrv_probe from .data between 'pcie_portdrv' (at offset 0xe40) and 'pcie_portdrv_err_handler'This warning was fixed by renaming pcie_portdrv to pcie_portdriver so we pass
the whitelist.Signed-off-by: Sam Ravnborg
Signed-off-by: Greg Kroah-Hartman -
Sanity check in pcim_pin_device() was too restrictive in that it didn't
allow multiple calls to the function, which is against the devres
philosohpy of fire-and-forget. Track pinned status separately and allow
pinning multiple times.Signed-off-by: Tejun Heo
Acked-by: Ian McDonald
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman
05 Mar, 2007
3 commits
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For devices that do not support msi-x we only support 1 interrupt. Therefore
we can disable that one interrupt by disabling the msi capability itself. If
we leave the intx interrupts disabled while we have the msi capability
disabled no interrupts should be delivered from that device.Devices with just the minimal msi support (and thus hitting this code path)
include things like the intel e1000 nic, so it looks like is going to be a
fairly common case and thus important to get right.Signed-off-by: Eric W. Biederman
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Benjamin Herrenschmidt
Cc: Greg KH
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
enable/disable_msi_mode have several side effects which keeps them from being
generally useful. So this patch replaces them with with two much more
targeted functions: msi_set_enable and msix_set_enable.This patch makes pci_dev->msi_enabled and pci_dev->msix_enabled the definitive
way to test if linux has enabled the msi capability, and has the appropriate
msi data structures set up.This patch ensures that while writing the msi messages in save/restore and
during device initialization we have the msi capability disabled so we don't
get into races. The pci spec requires that we do not have the msi capability
enabled and the msi messages unmasked while we write the messages. Completely
disabling the capability is overkill but it is easy :)Care has been taken so we never have both a msi capability and intx enabled
simultaneously. We haven't run into a problem yet but better safe then sorry.Signed-off-by: Eric W. Biederman
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Benjamin Herrenschmidt
Cc: Greg KH
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
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
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Benjamin Herrenschmidt
Cc: Greg KH
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
04 Mar, 2007
1 commit
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The change to force legacy mode IDE channels' resources to fixed non-zero
values confuses (at least some versions of) X, because the values reported
by the kernel and those readable from PCI config space aren't consistent
anymore. Therefore, this patch arranges for the respective BARs to also
get updated if possible.Signed-off-by: Jan Beulich
Acked-by: Alan Cox
Signed-off-by: Andrew Morton
Signed-off-by: Bartlomiej Zolnierkiewicz
02 Mar, 2007
2 commits
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Make jmiron_ata quirk update pdev->class after programming the device
and update ahci and pata_jmicron such that they match class code
instead of checking function number manually. For ahci, it matches
for vendor and class. For pata_jmicron, it matches vendor, device and
class as IDE class isn't as well defined as AHCI class.This makes jmicron device matching more conventional and script
friendly.Signed-off-by: Tejun Heo
Signed-off-by: Jeff Garzik -
Reimplement jmicron ATA quirk.
* renamed to quirk_jmicron_ata()
* quirk is invoked only for the affected controllers
* programming is stricter. e.g. conf5 bit24 is cleared if
unnecessary.
* code factored for readability
* JMB360 and JMB368 are programmed into proper modeVerified on JMB360, 363 and 368.
Signed-off-by: Tejun Heo
Signed-off-by: Jeff Garzik
20 Feb, 2007
1 commit
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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.
...
18 Feb, 2007
1 commit
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heirarchical, hierachical -> hierarchical
heirarchy, hierachy -> hierarchySigned-off-by: Uwe Kleine-König
Signed-off-by: Adrian Bunk
17 Feb, 2007
4 commits
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Export the numa-node attribute of PCI devices in sysfs so that
user applications may choose where to be placed accordingly.Signed-off-by: Brice Goglin
Signed-off-by: Greg Kroah-Hartman -
I'm currently working on a port to a CPCI board with a MPC5200. When
testing the PCI interrupt routing, I discovered the following: Even devices
which don't use interrupts (-> PCI Spec.: Interrupt Pin Register is zero),
get an interrupt assigned (this is at least true for most of the
PPC-targets I looked at).The cause is pretty obvious in drivers/pci/setup-irq.c. I guess at least
in an ideal world with correctly designed hardware, the code should rather
look as in the patch below.Of course it doesn't hurt anybody to have an unuseable IRQ assigned to a
PCI-to-PCI-bridge (or something alike), but to me it seems a bit strange.
Please correct me, if I'm mislead.The patch below is tested on the above mentioned CPCI-MPC5200 board and is
compiler tested with the latest git-repository kernel on x86.Cc: "Eric W. Biederman"
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Linus Torvalds
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman -
CARDBUS_MEM_SIZE was increased to 64MB on 2.6.20-rc2, but larger size might
result in allocation failure for the reserving itself on some platforms
(for example typical 32bit MIPS). Make it (and CARDBUS_IO_SIZE too)
customizable by "pci=" option for such platforms.Signed-off-by: Atsushi Nemoto
Cc: Daniel Ritz
Cc: Ralf Baechle
Cc: Ivan Kokshaysky
Cc: Dominik Brodowski
Signed-off-by: Andrew Morton
Signed-off-by: Greg Kroah-Hartman -
Fix kernel-doc warnings in PCI, sysfs, and kobject files.
Signed-off-by: Randy Dunlap
Signed-off-by: Greg Kroah-Hartman
15 Feb, 2007
2 commits
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The obsolete SA_xxx interrupt flags have been used despite the scheduled
removal. Fixup the remaining users.Signed-off-by: Thomas Gleixner
Acked-by: Ingo Molnar
Cc: "Luck, Tony"
Cc: Roman Zippel
Cc: Geert Uytterhoeven
Cc: Jeff Garzik
Cc: Wim Van Sebroeck
Cc: Roland Dreier
Cc: Alessandro Zummo
Cc: James Bottomley
Cc: Greg KH
Cc: Dave Airlie
Cc: James Simmons
Cc: "Antonino A. Daplas"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
After Al Viro (finally) succeeded in removing the sched.h #include in module.h
recently, it makes sense again to remove other superfluous sched.h includes.
There are quite a lot of files which include it but don't actually need
anything defined in there. Presumably these includes were once needed for
macros that used to live in sched.h, but moved to other header files in the
course of cleaning it up.To ease the pain, this time I did not fiddle with any header files and only
removed #includes from .c-files, which tend to cause less trouble.Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha,
arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig,
allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all
configs in arch/arm/configs on arm. I also checked that no new warnings were
introduced by the patch (actually, some warnings are removed that were emitted
by unnecessarily included header files).Signed-off-by: Tim Schmielau
Acked-by: Russell King
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
13 Feb, 2007
1 commit
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Many struct file_operations in the kernel can be "const". Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data. In addition it'll catch accidental writes at compile time to
these shared resources.Signed-off-by: Arjan van de Ven
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
11 Feb, 2007
1 commit
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This is kind of hokey, we could use the hardware provided facilities
much better.MSIs are assosciated with MSI Queues. MSI Queues generate interrupts
when any MSI assosciated with it is signalled. This suggests a
two-tiered IRQ dispatch scheme:MSI Queue interrupt --> queue interrupt handler
MSI dispatch --> driver interrupt handlerBut we just get one-level under Linux currently. What I'd like to do
is possibly stick the IRQ actions into a per-MSI-Queue data structure,
and dispatch them form there, but the generic IRQ layer doesn't
provide a way to do that right now.So, the current kludge is to "ACK" the interrupt by processing the
MSI Queue data structures and ACK'ing them, then we run the actual
handler like normal.We are wasting a lot of useful information, for example the MSI data
and address are provided with ever MSI, as well as a system tick if
available. If we could pass this into the IRQ handler it could help
with certain things, in particular for PCI-Express error messages.The MSI entries on sparc64 also tell you exactly which bus/device/fn
sent the MSI, which would be great for error handling when no
registered IRQ handler can service the interrupt.We override the disable/enable IRQ chip methods in sun4v_msi, so we
have to call {mask,unmask}_msi_irq() directly from there. This is
another ugly wart.Signed-off-by: David S. Miller
10 Feb, 2007
2 commits
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Implement device resource management, in short, devres. A device
driver can allocate arbirary size of devres data which is associated
with a release function. On driver detach, release function is
invoked on the devres data, then, devres data is freed.devreses are typed by associated release functions. Some devreses are
better represented by single instance of the type while others need
multiple instances sharing the same release function. Both usages are
supported.devreses can be grouped using devres group such that a device driver
can easily release acquired resources halfway through initialization
or selectively release resources (e.g. resources for port 1 out of 4
ports).This patch adds devres core including documentation and the following
managed interfaces.* alloc/free : devm_kzalloc(), devm_kzfree()
* IO region : devm_request_region(), devm_release_region()
* IRQ : devm_request_irq(), devm_free_irq()
* DMA : dmam_alloc_coherent(), dmam_free_coherent(),
dmam_declare_coherent_memory(), dmam_pool_create(),
dmam_pool_destroy()
* PCI : pcim_enable_device(), pcim_pin_device(), pci_is_managed()
* iomap : devm_ioport_map(), devm_ioport_unmap(), devm_ioremap(),
devm_ioremap_nocache(), devm_iounmap(), pcim_iomap_table(),
pcim_iomap(), pcim_iounmap()Signed-off-by: Tejun Heo
Signed-off-by: Jeff Garzik -
Signed-off-by: Conke Hu
Signed-off-by: Jeff Garzik
08 Feb, 2007
6 commits
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* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6: (23 commits)
ide-acpi support warning fix
ACPI support for IDE devices
IDE Driver for Delkin/Lexar/etc.. cardbus CF adapter
ide: it8213 IDE driver update (version 2)
ide: add it8213 IDE driver
tc86c001: add missing __init tag for tc86c001_ide_init()
tc86c001: mark init_chipset_tc86c001() with __devinit tag
tc86c001: init_hwif_tc86c001() can be static
ide: add Toshiba TC86C001 IDE driver (take 2)
pdc202xx_new: remove check_in_drive_lists abomination
pdc202xx_new: remove useless code
slc90e66: carry over fixes from piix driver
piix: tuneproc() fixes/cleanups
piix: fix 82371MX enablebits
hpt366: HPT36x PCI clock detection fix
hpt366: init code rewrite
hpt366: clean up DMA timeout handling for HPT370
hpt366: merge HPT37x speedproc handlers
hpt366: cache channel's MCR address
hpt366: switch to using pci_get_slot
... -
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (41 commits)
Revert "PCI: remove duplicate device id from ata_piix"
msi: Make MSI useable more architectures
msi: Kill the msi_desc array.
msi: Remove attach_msi_entry.
msi: Fix msi_remove_pci_irq_vectors.
msi: Remove msi_lock.
msi: Kill msi_lookup_irq
MSI: Combine pci_(save|restore)_msi/msix_state
MSI: Remove pci_scan_msi_device()
MSI: Replace pci_msi_quirk with calls to pci_no_msi()
PCI: remove duplicate device id from ipr
PCI: remove duplicate device id from ata_piix
PCI: power management: remove noise on non-manageable hw
PCI: cleanup MSI code
PCI: make isa_bridge Alpha-only
PCI: remove quirk_sis_96x_compatible()
PCI: Speed up the Intel SMBus unhiding quirk
PCI Quirk: 1k I/O space IOBL_ADR fix on P64H2
shpchp: delete trailing whitespace
shpchp: remove DBG_XXX_ROUTINE
... -
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (28 commits)
sysfs: Shadow directory support
Driver Core: Increase the default timeout value of the firmware subsystem
Driver core: allow to delay the uevent at device creation time
Driver core: add device_type to struct device
Driver core: add uevent vars for devices of a class
SYSFS: Fix missing include of list.h in sysfs.h
HOWTO: Add a reference to Harbison and Steele
sysfs: error handling in sysfs, fill_read_buffer()
kobject: kobject_put cleanup
sysfs: kobject_put cleanup
sysfs: suppress lockdep warnings
Driver core: fix race in sysfs between sysfs_remove_file() and read()/write()
driver core: Change function call order in device_bind_driver().
driver core: Don't stop probing on ->probe errors.
driver core fixes: device_register() retval check in platform.c
driver core fixes: make_class_name() retval checks
/sys/modules/*/holders
USB: add the sysfs driver name to all modules
SERIO: add the sysfs driver name to all modules
PCI: add the sysfs driver name to all modules
... -
The arch hooks arch_setup_msi_irq and arch_teardown_msi_irq are now
responsible for allocating and freeing the linux irq in addition to
setting up the the linux irq to work with the interrupt.arch_setup_msi_irq now takes a pci_device and a msi_desc and returns
an irq.With this change in place this code should be useable by all platforms
except those that won't let the OS touch the hardware like ppc RTAS.Signed-off-by: Eric W. Biederman
Acked-by: Ingo Molnar
Signed-off-by: Greg Kroah-Hartman -
We need to be able to get from an irq number to a struct msi_desc.
The msi_desc array in msi.c had several short comings the big one was
that it could not be used outside of msi.c. Using irq_data in struct
irq_desc almost worked except on some architectures irq_data needs to
be used for something else.So this patch adds a msi_desc pointer to irq_desc, adds the appropriate
wrappers and changes all of the msi code to use them.The dynamic_irq_init/cleanup code was tweaked to ensure the new
field is left in a well defined state.Signed-off-by: Eric W. Biederman
Acked-by: Ingo Molnar
Signed-off-by: Greg Kroah-Hartman -
The attach_msi_entry has been reduced to a single simple assignment,
so for simplicity remove the abstraction and directory perform the
assignment.Signed-off-by: Eric W. Biederman
Acked-by: Ingo Molnar
Signed-off-by: Greg Kroah-Hartman