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* master.kernel.org:/home/rmk/linux-2.6-arm: (25 commits)
[ARM] 3648/1: Update struct ucontext layout for coprocessor registers
[ARM] Add identifying number for non-rt sigframe
[ARM] Gather common sigframe saving code into setup_sigframe()
[ARM] Gather common sigframe restoration code into restore_sigframe()
[ARM] Re-use sigframe within rt_sigframe
[ARM] Merge sigcontext and sigmask members of sigframe
[ARM] Replace extramask with a full copy of the sigmask
[ARM] Remove rt_sigframe puc and pinfo pointers
[ARM] 3647/1: S3C24XX: add Osiris to the list of simtec pm machines
[ARM] 3645/1: S3C2412: irq support for external interrupts
[ARM] 3643/1: S3C2410: Add new usb clocks
[ARM] 3642/1: S3C24XX: Add machine SMDK2413
[ARM] 3641/1: S3C2412: Fixup gpio register naming
[ARM] 3640/1: S3C2412: Use S3C24XX_DCLKCON instead of S3C2410_DCLKCON
[ARM] 3639/1: S3C2412: serial port support
[ARM] 3638/1: S3C2412: core clocks
[ARM] 3637/1: S3C24XX: Add mpll clock, and set as fclk parent
[ARM] 3636/1: S3C2412: Add selection of CPU_ARM926
[ARM] 3635/1: S3C24XX: Add S3C2412 core cpu support
[ARM] 3633/1: S3C24XX: s3c2410 gpio bugfix - wrong pin nos
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Patch from Daniel Jacobowitz
In order for userspace to find saved coprocessor registers, move them from
struct rt_sigframe into struct ucontext. Also allow space for glibc's
sigset_t, so that userspace and kernelspace can use the same ucontext
layout. Define the magic numbers for iWMMXt in the header file for easier
reference. Include the size of the coprocessor data in the magic numbers.
Also define magic numbers and layout for VFP, not yet saved.
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
Move the decoding of the IRQ_EXT4 and above out of
the entry macro, and into an chained irq handler
as the EXTINT registers move depending on the CPU
being used.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
Serial port support for the on-board UART blocks
on the Samsung S3C2412 and S3C2413 UARTs.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
Clock support for the clocks on the Samsung S3C2412
and S3C2413 SoCs. This provides clock enables and
parent selection for all the standard clocks.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Ben Dooks
Add support for the Samsung S3C2412 and S3C2413 range
of SoCs. This patch contains the core identification,
debug macros, and basic register updates to get these
to build.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Lennert Buytenhek
Add an initial implementation of the clk_* API for the cirrus ep93xx
to the tree. The initial implementation is somewhat minimal, with the
intention of extending it as we go along.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Andrew Victor
Remove the remaining legacy __mem_isa() definitions for the ARM
platforms.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (40 commits)
[SPARC64]: Update defconfig.
[SPARC64]: Make auxio a real driver.
[PARPORT] sunbpp: Convert to new SBUS device framework.
[Documentation]: Update probing info in sbus_drivers.txt
[SCSI] qlogicpti: Convert to new SBUS device framework.
[SCSI] esp: Fix bug in esp_remove_common.
[NET] sunhme: Kill useless loop over sdevs in quattro_sbus_find().
[NET] myri_sbus: Kill unused next_module struct member.
[NET] myri_sbus: Convert to new SBUS device layer.
[NET] sunqe: Convert to new SBUS driver layer.
[NET] sunbmac: Convert over to new SBUS device framework.
[NET] sunlance: Convert to new SBUS driver framework.
[NET] sunhme: Convert to new SBUS driver framework.
[NET] sunhme: Kill __sparc__ and __sparc_v9__ ifdefs.
[SCSI] sparc: Port esp to new SBUS driver layer.
[SOUND] sparc: Port amd7930 to new SBUS device layer.
[SBUS]: Rewrite and plug into of_device framework.
[SPARC]: Port of_device layer and make ebus use it.
[SPARC]: Port sparc64 in-kernel device tree code to sparc32.
[SPARC64]: Add of_device layer and make ebus/isa use it.
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I severely apologize, I was still learning how to program
in C when I wrote this stuff 10 years ago...
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Sparcspkr and power drivers are converted, to make sure it works.
Eventually the SBUS device layer will use this as a sub-class.
I really cannot cut loose on that bit until sparc32 is given the
same infrastructure.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Import some more stuff from powerpc.
Add of_device_is_compatible(), and of_find_compatible_node().
Export some more of the other routines to modules.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Unused outside of initial bus probe scan.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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One thing this change pointed out was that we really should
pull the "get 'local-mac-address' property" logic into a helper
function all the network drivers can call.
Signed-off-by: David S. Miller <davem@davemloft.net>
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On some sun4v systems, after netboot the ethernet controller and it's
DMA mappings can be left active. The net result is that the kernel
can end up using memory the ethernet controller will continue to DMA
into, resulting in corruption.
To deal with this, we are more careful about importing IOMMU
translations which OBP has left in the IO-TLB. If the mapping maps
into an area the firmware claimed was free and available memory for
the kernel to use, we demap instead of import that IOMMU entry.
This is going to cause the network chip to take a PCI master abort on
the next DMA it attempts, if it has been left going like this. All
tests show that this is handled properly by the PCI layer and the e1000
drivers.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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This encodes a common idiomatic coding pattern used when
dealing with integer properties.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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It can be pushed even further down, but this is a first step.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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The basic framework is based on the PowerPC OF code.
This code even tries to get the device addressing components
correct in the full path names.
Signed-off-by: David S. Miller <davem@davemloft.net>
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In particular, move the IRQ probing out to sparc32/sparc64
arch specific code where it belongs.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Considering that there isn't a lot of hw we can depend on during resume,
this is about as good as it gets.
This is x86-only for now, although the basic concept (and most of the
code) will certainly work on almost any platform.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fix various problems with nfs4 disabled. And various other things.
In file included from fs/nfs/inode.c:50:
fs/nfs/internal.h:24: error: static declaration of 'nfs_do_refmount' follows non-static declaration
include/linux/nfs_fs.h:320: error: previous declaration of 'nfs_do_refmount' was here
fs/nfs/internal.h:65: warning: 'struct nfs4_fs_locations' declared inside parameter list
fs/nfs/internal.h:65: warning: its scope is only this definition or declaration, which is probably not what you want
fs/nfs/internal.h: In function 'nfs4_path':
fs/nfs/internal.h:97: error: 'struct nfs_server' has no member named 'mnt_path'
fs/nfs/inode.c: In function 'init_once':
fs/nfs/inode.c:1116: error: 'struct nfs_inode' has no member named 'open_states'
fs/nfs/inode.c:1116: error: 'struct nfs_inode' has no member named 'delegation'
fs/nfs/inode.c:1116: error: 'struct nfs_inode' has no member named 'delegation_state'
fs/nfs/inode.c:1116: error: 'struct nfs_inode' has no member named 'rwsem'
distcc[26452] ERROR: compile fs/nfs/inode.c on g5/64 failed
make[1]: *** [fs/nfs/inode.o] Error 1
make: *** [fs/nfs/inode.o] Error 2
make: *** Waiting for unfinished jobs....
In file included from fs/nfs/nfs3xdr.c:26:
fs/nfs/internal.h:24: error: static declaration of 'nfs_do_refmount' follows non-static declaration
include/linux/nfs_fs.h:320: error: previous declaration of 'nfs_do_refmount' was here
fs/nfs/internal.h:65: warning: 'struct nfs4_fs_locations' declared inside parameter list
fs/nfs/internal.h:65: warning: its scope is only this definition or declaration, which is probably not what you want
fs/nfs/internal.h: In function 'nfs4_path':
fs/nfs/internal.h:97: error: 'struct nfs_server' has no member named 'mnt_path'
distcc[26486] ERROR: compile fs/nfs/nfs3xdr.c on g5/64 failed
make[1]: *** [fs/nfs/nfs3xdr.o] Error 1
make: *** [fs/nfs/nfs3xdr.o] Error 2
In file included from fs/nfs/nfs3proc.c:24:
fs/nfs/internal.h:24: error: static declaration of 'nfs_do_refmount' follows non-static declaration
include/linux/nfs_fs.h:320: error: previous declaration of 'nfs_do_refmount' was here
fs/nfs/internal.h:65: warning: 'struct nfs4_fs_locations' declared inside parameter list
fs/nfs/internal.h:65: warning: its scope is only this definition or declaration, which is probably not what you want
fs/nfs/internal.h: In function 'nfs4_path':
fs/nfs/internal.h:97: error: 'struct nfs_server' has no member named 'mnt_path'
distcc[26469] ERROR: compile fs/nfs/nfs3proc.c on bix/32 failed
make[1]: *** [fs/nfs/nfs3proc.o] Error 1
make: *** [fs/nfs/nfs3proc.o] Error 2
**FAILED**
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andreas Gruenbacher <agruen@suse.de>
Cc: Andy Adamson <andros@citi.umich.edu>
Cc: Chuck Lever <cel@netapp.com>
Cc: David Howells <dhowells@redhat.com>
Cc: J. Bruce Fields <bfields@fieldses.org>
Cc: Manoj Naik <manoj@almaden.ibm.com>
Cc: Marc Eshel <eshel@almaden.ibm.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Neil Brown observed that the kmalloc() in nfs_get_user_pages() is more
likely to fail if the I/O is large enough to require the allocation of more
than a single page to keep track of all the pinned pages in the user's
buffer.
Instead of tracking one large page array per dreq/iocb, track pages per
nfs_read/write_data, just like the cached I/O path does. An array for
pages is already allocated for us by nfs_readdata_alloc() (and the write
and commit equivalents).
This is also required for adding support for vectored I/O to the NFS direct
I/O path.
The original reason to pin the user buffer and allocate all the NFS data
structures before trying to schedule I/O was to ensure all needed resources
are allocated on the client before starting to send requests. This reduces
the chance that resource exhaustion on the client will cause a short read
or write.
On the other hand, for an application making very large application I/O
requests, this means that it will be nearly impossible for the application
to make forward progress on a resource-limited client.
Thus, moving the buffer pinning functionality into the I/O scheduling
loops should be good for scalability. The next patch will do the same for
NFS data structure allocation.
Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Conflicts:
fs/nfs/inode.c
fs/super.c
Fix conflicts between patch 'NFS: Split fs/nfs/inode.c' and patch
'VFS: Permit filesystem to override root dentry on mount'
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (258 commits)
[libata] conversion to new debug scheme, part 1 of $N
[PATCH] libata: Add ata_scsi_dev_disabled
[libata] Add host lock to struct ata_port
[PATCH] libata: implement per-dev EH action mask eh_info->dev_action[]
[PATCH] libata-dev: move the CDB-intr DMA blacklisting
[PATCH] ahci: disable NCQ support on vt8251
[libata] ahci: add JMicron PCI IDs
[libata] sata_nv: add PCI IDs
[libata] ahci: Add NVIDIA PCI IDs.
[PATCH] libata: convert several bmdma-style controllers to new EH, take #3
[PATCH] sata_via: convert to new EH, take #3
[libata] sata_nv: s/spin_lock_irqsave/spin_lock/ in irq handler
[PATCH] sata_nv: add hotplug support
[PATCH] sata_nv: convert to new EH
[PATCH] sata_nv: better irq handlers
[PATCH] sata_nv: simplify constants
[PATCH] sata_nv: kill struct nv_host_desc and nv_host
[PATCH] sata_nv: kill not-working hotplug code
[libata] Update docs to reflect current driver API
[PATCH] libata: add host_set->next for legacy two host_sets case, take #3
...
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Prepare for changes required to support SATA devices
attached to SAS HBAs. For these devices we don't want to
use host_set at all, since libata will not be the owner
of struct scsi_host.
Signed-off-by: Brian King <brking@us.ibm.com>
(with slight merge modifications made by...)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Currently, the only per-dev EH action is REVALIDATE. EH used to
exploit ehi->dev to do selective revalidation on a ATA bus. However,
this is a bit hacky and makes it impossible to request selective
revalidation from outside of EH or add another per-dev EH action.
This patch adds per-dev EH action mask eh_info->dev_action[] and
update EH to use this field for REVALIDATE. Note that per-dev actions
can still be specified at port-level and it has the same effect of
specifying the action for all devices on the port.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Conflicts:
drivers/scsi/libata-core.c
drivers/scsi/libata-scsi.c
include/linux/pci_ids.h
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For a legacy ATA controller, libata registers two separate host sets.
There was no connection between the two hosts making it impossible to
traverse all ports related to the controller. This patch adds
host_set->next which points to the second host_set and makes
ata_pci_remove_one() remove all associated host_sets.
* On device removal, all ports hanging off the device are properly
detached. Prior to this patch, ports on the first host_set weren't
detached casuing oops on driver unloading.
* On device removal, both host_sets are properly freed
This will also be used by new power management code to suspend and
resume all ports of a controller. host_set/port representation will
be improved to handle legacy controllers better and this host_set
linking will go away with it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch makes libata snoop 'SET FEATURES - WRITE CACHE
ENABLE/DISABLE' command, executing requisite revalidation processes
to update cached data.
Signed-off-by: Forrest Zhao <forrest.zhao@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Conflicts:
drivers/scsi/sata_sil24.c
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Cosmetic change in struct ata_port.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Now that all drivers implementing new EH are converted to new probing
mechanism, ops->probe_reset doesn't have any user. Kill it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Update unload unplug - driver unloading / PCI removal. This is done
by ata_port_detach() which short-circuits EH, disables all devices and
freezes the port. With this patch, EH and unloading/unplugging are
properly synchronized.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Implement warmplug. User-initiated unplug can be detected by
hostt->slave_destroy() and plug by transportt->user_scan(). This
patch only implements the two callbacks. The next function will hook
them.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Implement SCSI part of hotplug.
This must be done in a separate context as SCSI makes use of EH during
probing. SCSI scan fails silently if EH is in progress. In such
cases, libata pauses briefly and retries until every device is
attached.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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