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This patch uniformizes PCI probing debug boot messages with dev_printk()
intead of manual printk()
It changes adress range output from [%llx, %llx] to [%#llx-%#llx], like
in pci_request_region().
For example, it goes from the mixed-style:
PCI: 0000:00:1b.0 reg 10 64bit mmio: [f4280000, f4283fff]
pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
to uniform:
pci 0000:00:1b.0: reg 10 64bit mmio: [0xf4280000-0xf4283fff]
pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
This patch has been runtime tested, boot log messages diffed, everything
looks OK.
Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Vincent Legoll <vincent.legoll@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This patch adds support for PCI Express Alternative Routing-ID
Interpretation (ARI) capability.
The ARI capability extends the Function Number field of the PCI Express
Endpoint by reusing the Device Number which is otherwise hardwired to 0.
With ARI, an Endpoint can have up to 256 functions.
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This patch centralizes the initialization and release functions of
various PCI capabilities in probe.c, which makes the introduction
of new capability support functions cleaner in the future.
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This patch centralizes functions used to add and remove sysfs entries
for various capabilities. With this cleanup, the code is more readable
and easier for adding new capability related functions.
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Since patch 6ac665c63dcac8fcec534a1d224ecbb8b867ad59 my infiniband
controller hasn't worked. This is because it has 64-bit prefetchable
memory, which was mistakenly being taken to be 32-bit memory. The
resource flags in this case are PCI_BASE_ADDRESS_MEM_TYPE_64 |
PCI_BASE_ADDRESS_MEM_PREFETCH.
This patch checks only for the PCI_BASE_ADDRESS_MEM_TYPE_64 bit; thus
whether the region is prefetchable or not is ignored. This fixes my
Infiniband.
Reviewed-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This is a cleanup that changes all PCI configuration space size
representations to the macros (PCI_CFG_SPACE_SIZE and
PCI_CFG_SPACE_EXP_SIZE). And the macros are also moved from
drivers/pci/probe.c to drivers/pci/pci.h.
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This is a cleanup that replaces the resource calculation formula with
resource_size().
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This cleanup makes the argument names in PCI_VDEVICE comment consistent
with those used in its definition.
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Change debug variable name to one more unique to this driver.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Use %pF instead of print_fn_descriptor_symbol() in quirks.c to get the name of
the hook we're calling.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Currently, get_##name in pci_hotplug_core.c will return 0 if module
unload wins the race between unload & reading the hotplug file. Fix
that case to return -ENODEV like it should.
Reviewed-by: Alex Chiang <achiang@hp.com>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Get rid of the second definition of dev which hides the earlier one in
the argument list and causes a warning from sparse.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The current MSI-HOWTO.txt says that device drivers should not request the
memory space that contains MSI-X tables. This is because the original
MSI-X implementation did a request_mem_region() on this space, but that
code was removed long ago (in the pre-git era, in fact). Years after the
code was changed, we might as well clean up the documention to avoid a
confusing mention of requesting regions: drivers using MSI-X can just use
pci_request_regions() just like any other driver, and so there's no need
for MSI-HOWTO.txt to talk about this at all.
Signed-off-by: Roland Dreier <roland@digitalvampire.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Checkpatch would have complained about this but neither Bjorn nor myself
ran it prior to pushing. Fixup the issues Andrew pointed out.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The introduction of struct pci_slot (f46753c5e354b857b20ab8e0fe7b25)
added a struct pci_slot pointer to struct pci_dev, but we forgot to
associate the two.
Connect the two structs together; the interesting portions of the object
lifetimes are:
- when a new pci_slot is created, connect it to the appropriate
pci_dev's. A single pci_slot may be associated with multiple
pci_dev's, e.g. any multi-function PCI device.
- when a pci_slot is released, look for all the pci_dev's it was
associated with, and set their pci_slot pointers to NULL
- when a pci_dev is created, look for slots to associate with.
Note -- when a pci_dev is released, we don't need to do any bookkeeping,
since pci_slot's do not have pointers to pci_dev's.
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Stephen Hemminger wrote:
> Looks like Mike created cpulistaffinty in sysfs but never completed
> the job.
This patch hooks things up correctly, taking care to remove the new file
when the bus is destroyed.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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In msi_capability_init, we can make use of the calculated results
instead of calling is_mask_bit_support and is_64bit_address twice.
Signed-off-by: Jike Song <albcamus@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This patch replaces printks within pciehp module with dev_printks.
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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I think an appropriate name tag of "hpdriver_portdrv" variable
is "pciehp" rather than "hpdriver".
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This patch updates the Intel Ibex Peak (PCH) LPC and SMBus Controller
DeviceIDs.
The LPC Controller ID is set by Firmware within the range of
0x3b00-3b1f. This range is included in pci_ids.h using min and max
values, and irq.c now has code to handle the range (in lieu of 32
additions to a SWITCH statement).
The SMBus Controller ID is a fixed-value and will not change.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Current pciehp driver gets irq number from pci_dev->irq. But because
pciehp driver is a pci express port service driver, it should get irq
number from pcie_device->irq.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Since the code is shared pretty much most of the pci= options are shared,
but kernel-parameters.txt marked most of them as i386 only.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This patch changes these two messages:
pci 0000:00:03.0: supports D1
pci 0000:00:03.0: supports D2
to this:
pci 0000:00:03.0: supports D1 D2
It also trivially converts a "dev_printk(KERN_INFO, ...)" to
"dev_info(...)".
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Please run checkpatch prior to sending patches, this one fixes several style
issues with the list_for_each conversion patch.
Cc: Cordelia Sam <cordesam@gmail.com>
Cc: Cordelia Sam <cordsam@linux.vnet.ibm.com>
Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Make code more readable with list_for_each_entry().
Signed-off-by: Cordelia Sam <cordesam@gmail.com>
Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Use "[%04x:%04x]" for PCI vendor/device IDs to follow the format
used by lspci(8).
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Use "[%04x:%04x]" for PCI vendor/device IDs to follow the format
used by lspci(8).
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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We are using 28bit pci (bus/dev/fn + 12 bits) as irq number, so the
cache for irq number should be 32 bit too.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Many device drivers use the following sequence of statements to enable
the device to wake up the system while being in the D3_hot or D3_cold
low power state:
pci_enable_wake(pdev, PCI_D3hot, 1);
pci_enable_wake(pdev, PCI_D3cold, 1);
However, the second call is not necessary if the first one succeeds (the
ordering of the statements above doesn't matter here) and it may even be
harmful, because we are not supposed to enable PME# after the wake-up
power has been enabled for the device.
To allow drivers to overcome this problem, introduce function
pci_wake_from_d3() that will enable the device to wake up the system
from any of D3_hot and D3_cold as long as the wake-up from at least one
of them is supported.
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This patch adds the CONFIG_PCI_QUIRKS option which allows to remove all
the PCI quirks, which are not necessarily used on embedded systems when
PCI is working properly. As this is a size-reduction option, it depends
on CONFIG_EMBEDDED. It allows to save almost 12 kilobytes of kernel
code:
text data bss dec hex filename
1287806 123596 212992 1624394 18c94a vmlinux.old
1275854 123596 212992 1612442 189a9a vmlinux
-11952 0 0 -11952 -2EB0 +/-
This patch has originally been written by Zwane Mwaikambo
<zwane@arm.linux.org.uk> and is part of the Linux Tiny project.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Only accept dynids whose driver_data value matches one of the driver's
pci_driver_id entries. This prevents the user from accidentally passing
values the drivers do not expect.
Cc: Milton Miller <miltonm@bga.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The driver flag dynids.use_driver_data is almost consistently not set,
and causes more problems than it solves. It was initially intended as a
flag to indicate whether a driver's usage of driver_data had been
carefully inspected and was ready for values from userspace. That audit
was never done, so most drivers just get a 0 for driver_data when new
IDs are added from userspace via sysfs. So remove the flag, allowing
drivers to see the data directly (a followon patch validates the passed
driver_data value against what the drivers expect).
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
s3cmci: Add Ben Dooks/Simtec Electronics to header & copyright
s3cmci: fix continual accesses to host->pio_ptr
s3cmci: Support transfers which are not multiple of 32 bits.
s3cmci: cpufreq support
s3cmci: Make general protocol errors less noisy
mmc_block: tell block layer there is no seek penalty
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* git://git.infradead.org/battery-2.6:
bq27x00_battery: use unaligned access helper
power_supply: fix dependency of tosa_battery
power_supply: Support for Texas Instruments BQ27200 battery managers
power_supply: Add function to return system-wide power state
pda_power: Check and handle return value of set_irq_wake
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The EPCA can support indefinte break lengths and with info from digi that
can now be added
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: (26 commits)
9p: add more conservative locking
9p: fix oops in protocol stat parsing error path.
9p: fix device file handling
9p: Improve debug support
9p: eliminate depricated conv functions
9p: rework client code to use new protocol support functions
9p: remove unnecessary tag field from p9_req_t structure
9p: remove 9p fcall debug prints
9p: add new protocol support code
9p: encapsulate version function
9p: move dirread to fs layer
9p: adjust 9p vfs write operation
9p: move readn meta-function from client to fs layer
9p: consolidate read/write functions
9p: drop broken unused error path from p9_conn_create()
9p: make rpc code common and rework flush code
9p: use the rcall structure passed in the request in trans_fd read_work
9p: apply common request code to trans_fd
9p: apply common tagpool handling to trans_fd
9p: move request management to client code
...
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* git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
NFS: use correct fs type for v4 submounts and referrals
Make nfs_file_cred more robust.
NFS: Enable NFSv4 callback server to listen on AF_INET6 sockets
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The stack trace API does not record if the stack is not on the current
task's stack. That is, if the stack is the interrupt stack or NMI stack,
the output does not show. Also, the size of those stacks are not
consistent with the size of the thread stack, this makes the calculation
of the stack size usually bogus.
This all confuses the stack tracer. I unfortunately do not have time to
fix all these problems, but this patch does record the worst stack when
the stack pointer is on the tasks stack (instead of bogus numbers).
The patch simply returns if the stack pointer is not on the task's stack.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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To avoid further confusion between the ftrace infrastructure and the
function tracer. This patch renames the "ftrace" function tracer
to "function".
Now in available_tracers, instead of "ftrace" there will be "function".
This makes more sense, since people will not know exactly what the
"ftrace" tracer does.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Due to confusion between the ftrace infrastructure and the gcc profiling
tracer "ftrace", this patch renames the config options from FTRACE to
FUNCTION_TRACER. The other two names that are offspring from FTRACE
DYNAMIC_FTRACE and FTRACE_MCOUNT_RECORD will stay the same.
This patch was generated mostly by script, and partially by hand.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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A lot of tracers have HAVE_FTRACE as a dependent config where it
really should not. The HAVE_FTRACE is a misnomer (soon to be fixed)
and describes if the architecture has the function tracer (mcount)
implemented. The ftrace infrastructure is implemented in all archs.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The x86 architecture uses a static recording of mcount caller locations
and is not affected by this patch.
For architectures still using the dynamic ftrace daemon, this patch is
critical. It removes the race between the recording of a function that
calls mcount, the unloading of a module, and the ftrace daemon updating
the call sites.
This patch adds the releasing of the hash functions that the daemon uses
to update the mcount call sites. When a module is unloaded, not only
are the replaced call site table update, but now so is the hash recorded
functions that the ftrace daemon will use.
Again, architectures that implement MCOUNT_RECORD are not affected by
this (which currently only x86 has).
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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In ftrace, logic is defined in the WARN_ON_ONCE, which can become a
nop with some configs. This patch fixes it.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* 'for-next' of git://git.o-hand.com/linux-mfd:
mfd: further unbork the ucb1400 ac97_bus dependencies
mfd: ucb1400 needs GPIO
mfd: ucb1400 sound driver uses/depends on AC97_BUS:
mfd: Don't use NO_IRQ in WM8350
mfd: update TMIO drivers to use the clock API
mfd: twl4030-core irq simplification
mfd: add base support for Dialog DA9030/DA9034 PMICs
mfd: TWL4030 core driver
mfd: support tmiofb cell on tc6393xb
mfd: add OHCI cell to tc6393xb
mfd: Fix htc-egpio compile warning
mfd: do tcb6393xb state restore on resume only if requested
mfd: provide and use setup hook for tc6393xb
mfd: update sm501 debugging/low information messages
mfd: reduce stack usage in mfd-core.c
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* 'linux-next' of git://git.infradead.org/ubifs-2.6: (25 commits)
UBIFS: fix ubifs_compress commentary
UBIFS: amend printk
UBIFS: do not read unnecessary bytes when unpacking bits
UBIFS: check buffer length when scanning for LPT nodes
UBIFS: correct condition to eliminate unecessary assignment
UBIFS: add more debugging messages for LPT
UBIFS: fix bulk-read handling uptodate pages
UBIFS: improve garbage collection
UBIFS: allow for sync_fs when read-only
UBIFS: commit on sync_fs
UBIFS: correct comment for commit_on_unmount
UBIFS: update dbg_dump_inode
UBIFS: fix commentary
UBIFS: fix races in bit-fields
UBIFS: ensure data read beyond i_size is zeroed out correctly
UBIFS: correct key comparison
UBIFS: use bit-fields when possible
UBIFS: check data CRC when in error state
UBIFS: improve znode splitting rules
UBIFS: add no_chk_data_crc mount option
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (112 commits)
sh: Move SH-4 CPU headers down one more level.
sh: Only build in gpio.o when CONFIG_GENERIC_GPIO is selected.
sh: Migrate common board headers to mach-common/.
sh: Move the CPU definition headers from asm/ to cpu/.
serial: sh-sci: Add support SCIF of SH7723
video: add sh_mobile_lcdc platform flags
video: remove unused sh_mobile_lcdc platform data
sh: remove consistent alloc cruft
sh: add dynamic crash base address support
sh: reduce Migo-R smc91x overruns
sh: Fix up some merge damage.
Fix debugfs_create_file's error checking method for arch/sh/mm/
Fix debugfs_create_dir's error checking method for arch/sh/kernel/
sh: ap325rxa: Add support RTC RX-8564LC in AP325RXA board
sh: Use sh7720 GPIO on magicpanelr2 board
sh: Add sh7720 pinmux code
sh: Use sh7203 GPIO on rsk7203 board
sh: Add sh7203 pinmux code
sh: Use sh7723 GPIO on AP325RXA board
sh: Add sh7723 pinmux code
...
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This converts things in drivers/pci to use %pR to printout the
content of a struct resource instead of hand-casted %llx or
other variants.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a %pR option to the kernel vsnprintf that prints the range of
addresses inside a struct resource passed by pointer.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: ASoC: OMAP: Fix DSP DAI format in McBSP DAI driver
go7007 - Add missing dependency on sound subsystem
ALSA: ps3: Add support for SPDIF/HDMI passthru
ps3: Add passthru support for non-audio streams
ps3: Add ps3av_audio_mute_analog()
ALSA: misc typo fixes
sound: add missing pcm kernel-doc
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sxghif.h has code that explicitly will not build fo other architecures.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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