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The way a DIMM is currently represented implies that they're
linked into a per-csrow struct. However, some drivers don't see
csrows, as they're ridden behind some chip like the AMB's
on FBDIMM's, for example.
This forced drivers to fake^Wvirtualize a csrow struct, and to create
a mess under csrow/channel original's concept.
Move the DIMM labels into a per-DIMM struct, and add there
the real location of the socket, in terms of csrow/channel.
Latter patches will modify the location to properly represent the
memory architecture.
All other drivers will use a per-csrow type of location.
Some of those drivers will require a latter conversion, as
they also fake the csrows internally.
TODO: While this patch doesn't change the existing behavior, on
csrows-based memory controllers, a csrow/channel pair points to a memory
rank. There's a known bug at the EDAC core that allows having different
labels for the same DIMM, if it has more than one rank. A latter patch
is need to merge the several ranks for a DIMM into the same dimm_info
struct, in order to avoid having different labels for the same DIMM.
The edac_mc_alloc() will now contain a per-dimm initialization loop that
will be changed by latter patches in order to match other types of
memory architectures.
Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Reviewed-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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If a file OPEN is denied due to a share lock, the resulting
NFS4ERR_SHARE_DENIED is currently mapped to the default EIO.
This patch adds a more appropriate mapping, and brings Linux
into line with what Solaris 10 does.
See https://bugzilla.kernel.org/show_bug.cgi?id=43286
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
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Pull exofs updates from Boaz Harrosh:
"Just a couple of patches. The first is a BUG fix destined for stable
which missed the 3.4-rc7 Kernel. The second is just a fixture
addition so exofs is able to be better exported as a cluster file
system via pNFS."
* 'for-linus' of git://git.open-osd.org/linux-open-osd:
exofs: Add SYSFS info for autologin/pNFS export
exofs: Fix CRASH on very early IO errors.
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull documentation updates from Jiri Kosina:
"I am currently relaying documentation patches through 'doc' branch of
trivial tree, until Rob, the new documentation maintainer, has
established a proper tree."
* 'doc' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
doc: ext3: update documentation with barrier=1 default
Documentation/initrd.txt: Change the location of util-linux
Documentation/SubmittingPatches: suggested the use of scripts/get_maintainer.pl
Documentation/kernel-parameters: remove autotest and mcatest
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild changes from Michal Marek:
"The non-critical part of kbuild for 3.5 includes
- two new coccinelle checks
- fix for make deb-pkg to include generated headers in arch/*/include
I have more make-deb-pkg fixes in the backlog, but these will likely
have to wait for 3.6."
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
builddeb: include autogenerated header files
scripts/coccinelle: sizeof of pointer
scripts/coccinelle: address test is always true
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig changes from Michal Marek:
- Error handling for make KCONFIG_ALLCONFIG=<...> all*config plus a fix
for a bug that was exposed by this
- Fix for the script/config utility.
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
scripts/config: properly report and set string options
kbuild: all{no,yes,mod,def,rand}config only read files when instructed to.
kconfig: Add error handling to KCONFIG_ALLCONFIG
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek.
Fixed up nontrivial merge conflict in Makefile as per Stephen Rothwell
and linux-next (and trivial arch/sparc/Makefile changes due to removed
sparc32 logic).
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
mips: Fix KBUILD_CPPFLAGS definition
kbuild: fix ia64 link
kbuild: document KBUILD_LDS, KBUILD_VMLINUX_{INIT,MAIN} and LDFLAGS_vmlinux
kbuild: link of vmlinux moved to a script
kbuild: refactor final link of sparc32
kbuild: drop unused KBUILD_VMLINUX_OBJS from top-level Makefile
kbuild: Makefile: remove unnecessary check for m68knommu ARCH
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Pull writeback tree from Wu Fengguang:
"Mainly from Jan Kara to avoid iput() in the flusher threads."
* tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
writeback: Avoid iput() from flusher thread
vfs: Rename end_writeback() to clear_inode()
vfs: Move waiting for inode writeback from end_writeback() to evict_inode()
writeback: Refactor writeback_single_inode()
writeback: Remove wb->list_lock from writeback_single_inode()
writeback: Separate inode requeueing after writeback
writeback: Move I_DIRTY_PAGES handling
writeback: Move requeueing when I_SYNC set to writeback_sb_inodes()
writeback: Move clearing of I_SYNC into inode_sync_complete()
writeback: initialize global_dirty_limit
fs: remove 8 bytes of padding from struct writeback_control on 64 bit builds
mm: page-writeback.c: local functions should not be exposed globally
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Pull microblaze changes from Michal Simek.
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Setup correct pointer to TLS area
microblaze: Add TLS support to sys_clone
microblaze: ftrace: Pass the first calling instruction for dynamic ftrace
microblaze: Port OOM changes to do_page_fault
microblaze: Do not select GENERIC_GPIO by default
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The commit dc41b9b8f02db ("perf ui: Change fallback policy of
setup_browser") changed default behavior of the function but missed
setting the use_browser variable to 0 accidently. So perf report ends up
doing nothing in such cases. Fix it.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1338216802-5675-1-git-send-email-namhyung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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We're already invalidating the data cache, and setting the new change
attribute. Since directories don't care about the i_size field, there
is no need to be forcing any extra revalidation of the page cache.
We do keep the NFS_INO_INVALID_ATTR flag, in order to force an
attribute cache revalidation on stat() calls since we do not
update the mtime and ctime fields.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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No need for two implementations - we check the cpu model.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Unconditially define pci32_dma_ops as this is used
for leon.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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With the removal of sun4c we can use the same cpu_idle()
implementation on UP and SMP.
This also fix it so we use the same version independent on LEON
enabled or not.
V2: Fixed whitespace issue pointed out by Josip Rodin.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Josip Rodin <joy@entuzijast.net>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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All users of MMUREGS ASI is now LEON/SUN aware,
so this is no longer required.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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LEON uses a different ASI than SUN for MMUREGS
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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All users of MMUREGS ASI in kernel/ now uses run-time patching.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Fix following warning:
WARNING: arch/sparc/kernel/built-in.o(.cpuinit.text+0x9f4): Section mismatch in reference from the function leon_callin() to the function .init.text:leon_configure_cache_smp()
The function __cpuinit leon_callin() references
a function __init leon_configure_cache_smp().
If leon_configure_cache_smp is only used by leon_callin then
annotate leon_configure_cache_smp with a matching annotation.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Fix-up leon specific assembler to use ASI_LEON_MMUREGS
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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- Drop unused stuff accumulated over time
- Drop non-leon stuff
- Include almost all of the header unconditionally
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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A few hardcoded constant were replaced by symbolic
versions to improve readability
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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This will be used to handle that MMUREGS has different ASI for SUN and LEON.
This is the infrastructure only - users will come later.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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This gives us a C hook before we call start_kernel()
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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We use the compatibility property to determine the
sun models. For leon we use psr.impl and ignore the
result of the getprops call.
Include a hack to allow build as the support code
is not yet converted.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Use PSR to check if the CPU is LEON and jump to
LEON specific code in this case.
Added a few constants to psr.h to increase readability.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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A few strings have been adopted to show more relevant info.
Julian Calaby <julian.calaby@gmail.com> pointed out one
that I would otherwise have missed.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Fixes this sparc32 defconfig build error:
timekeeping.c:(.text+0x277c4): undefined reference to `arch_gettimeoffset'
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull in Linus's tree to get the commits that blew away
ARCH_USES_GETTIMEOFFSET but didn't update Sparc correctly, so
that I can apply Stephen Rothwell's fix for that mis-merge.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The generic version is both easier to support and more correct.
Signed-off-by: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is much the same as for SPARC except that we can do the find_zero()
function more efficiently using the count-leading-zeroes instructions.
Tested on 32-bit and 64-bit PowerPC.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The aligned_byte_mask() definition is wrong for 32-bit big-endian
machines: the "7-(n)" part of the definition assumes a long is 8
bytes. This fixes it by using BITS_PER_LONG - 8 instead of 8*7.
Tested on 32-bit and 64-bit PowerPC.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The results from a call to nfs4_proc_create_session() should always
be fed into nfs4_handle_reclaim_lease_error, so that we can
handle errors such as NFS4ERR_SEQ_MISORDERED correctly.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Let nfs4_schedule_session_recovery() handle the details of choosing
between resetting the session, and other session related recovery.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Ensure that we handle NFS4ERR_DELAY errors separately, and then
let nfs4_recovery_handle_error() handle all other cases.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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In order to avoid races with other RPC calls that end up setting the
NFS4CLNT_BIND_CONN_TO_SESSION flag.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Since commit ad0081e43a
"ipv6: Fragment locally generated tunnel-mode IPSec6 packets as needed"
the fragment of packets is incorrect.
because tunnel mode needs IPsec headers and trailer for all fragments,
while on transport mode it is sufficient to add the headers to the
first fragment and the trailer to the last.
so modify mtu and maxfraglen base on ipsec mode and if fragment is first
or last.
with my test,it work well(every fragment's size is the mtu)
and does not trigger slow fragment path.
Changes from v1:
though optimization, mtu_prev and maxfraglen_prev can be delete.
replace xfrm mode codes with dst_entry's new frag DST_XFRM_TUNNEL.
add fuction ip6_append_data_mtu to make codes clearer.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Corrects the function that determines the esp payload size. The calculations
done in esp{4,6}_get_mtu() lead to overlength frames in transport mode for
certain mtu values and suboptimal frames for others.
According to what is done, mainly in esp{,6}_output() and tcp_mtu_to_mss(),
net_header_len must be taken into account before doing the alignment
calculation.
Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This makes <asm/word-at-a-time.h> actually live up to its promise of
allowing architectures to help tune the string functions that do their
work a word at a time.
David had already taken the x86 strncpy_from_user() function, modified
it to work on sparc, and then done the extra work to make it generically
useful. This then expands on that work by making x86 use that generic
version, completing the circle.
But more importantly, it fixes up the word-at-a-time interfaces so that
it's now easy to also support things like strnlen_user(), and pretty
much most random string functions.
David reports that it all works fine on sparc, and Jonas Bonn reported
that an earlier version of this worked on OpenRISC too. It's pretty
easy for architectures to add support for this and just replace their
private versions with the generic code.
* generic-string-functions:
sparc: use the new generic strnlen_user() function
x86: use the new generic strnlen_user() function
lib: add generic strnlen_user() function
word-at-a-time: make the interfaces truly generic
x86: use generic strncpy_from_user routine
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After 303395ac3bf3e2cb488435537d416bc840438fcb, some headers are
autogenerated. Include these autogenerated headers (mainly
unistd_32_ia32.h) in out-of-tree builds to allow DKMS modules to be
built succesfully.
Signed-off-by: Peter Lekensteyn <lekensteyn@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Pull i2c-embedded changes from Wolfram Sang:
"Major changes:
- lots of devicetree additions for existing drivers. I tried hard to
make sure the bindings are proper. In more complicated cases, I
requested acks from people having more experience with them than
me. That took a bit of extra time and also some time went into
discussions with developers about what bindings are and what not.
I have the feeling that the workflow with bindings should be
improved to scale better. I will spend some more thought on
this...
- i2c-muxes are succesfully used meanwhile, so we dropped
EXPERIMENTAL for them and renamed the drivers to a standard pattern
to match the rest of the subsystem. They can also be used with
devicetree now.
- ixp2000 was removed since the whole platform goes away.
- cleanups (strlcpy instead of strcpy, NULL instead of 0)
- The rest is typical driver fixes I assume.
All patches have been in linux-next at least since v3.4-rc6."
Fixed up trivial conflict in arch/arm/mach-lpc32xx/common.c due to the
same patch already having come in through the arm/soc trees, with
additional patches on top of it.
* 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux: (35 commits)
i2c: davinci: Free requested IRQ in remove
i2c: ocores: register OF i2c devices
i2c: tegra: notify transfer-complete after clearing status.
I2C: xiic: Add OF binding support
i2c: Rename last mux driver to standard pattern
i2c: tegra: fix 10bit address configuration
i2c: muxes: rename first set of drivers to a standard pattern
of/i2c: implement of_find_i2c_adapter_by_node
i2c: implement i2c_verify_adapter
i2c-s3c2410: Add HDMIPHY quirk for S3C2440
i2c-s3c2410: Rework device type handling
i2c: muxes are not EXPERIMENTAL anymore
i2c/of: Automatically populate i2c mux busses from device tree data.
i2c: Add a struct device * parameter to i2c_add_mux_adapter()
of/i2c: call i2c_verify_client from of_find_i2c_device_by_node
i2c: designware: Add clk_{un}prepare() support
i2c: designware: add PM support
i2c: ixp2000: remove driver
i2c: pnx: add device tree support
i2c: imx: don't use strcpy but strlcpy
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into late/soc
A few device tree updates and an include file fix for versatile.
* 'vexpress-v3.4' of git://git.linaro.org/people/pawelmoll/linux:
ARM: vexpress: Remove twice included header files
ARM: vexpress: Device Tree updates
+ update to 3.4
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull sweeping late_initcall cleanup for arm-soc from Olof Johansson:
"This is a patch series from Shawn Guo that moves from individual
late_initcalls() to using a member in the machine structure to invoke
a platform's late initcalls.
This cleanup is a step in the move towards multiplatform kernels since
it would reduce the need to check for compatible platforms in each and
every initcall."
Fix up trivial conflicts in arch/arm/mach-{exynos/mach-universal_c210.c,
imx/mach-cpuimx51.c, omap2/board-generic.c} due to changes nearby (and,
in the case of cpuimx51.c the board support being deleted)
* tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: ux500: use machine specific hook for late init
ARM: tegra: use machine specific hook for late init
ARM: shmobile: use machine specific hook for late init
ARM: sa1100: use machine specific hook for late init
ARM: s3c64xx: use machine specific hook for late init
ARM: prima2: use machine specific hook for late init
ARM: pnx4008: use machine specific hook for late init
ARM: omap2: use machine specific hook for late init
ARM: omap1: use machine specific hook for late init
ARM: msm: use machine specific hook for late init
ARM: imx: use machine specific hook for late init
ARM: exynos: use machine specific hook for late init
ARM: ep93xx: use machine specific hook for late init
ARM: davinci: use machine specific hook for late init
ARM: provide a late_initcall hook for platform initialization
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Pull arm-soc: soc specific changes (part 2) from Olof Johansson:
"This adds support for the spear13xx platform, which has first been
under review a long time ago and finally been completed after generic
spear work has gone into the clock, dt and pinctrl branches.
Also a number of updates for the samsung socs are part of this branch."
Fix up trivial conflicts in drivers/gpio/gpio-samsung.c that look much
worse than they are: the exonys5 init code was refactored in commit
fd454997d687 ("gpio: samsung: refactor gpiolib init for exynos4/5"), and
then commit f10590c9836c ("ARM: EXYNOS: add GPC4 bank instance") added a
new gpio chip define and did tiny updates to the init code.
So the conflict diff looks like hell, but it's actually a fairly simple
change.
* tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (34 commits)
ARM: exynos: fix building with CONFIG_OF disabled
ARM: EXYNOS: Add AUXDATA for i2c controllers
ARM: dts: Update device tree source files for EXYNOS5250
ARM: EXYNOS: Add device tree support for interrupt combiner
ARM: EXYNOS: Add irq_domain support for interrupt combiner
ARM: EXYNOS: Remove a new bus_type instance for EXYNOS5
ARM: EXYNOS: update irqs for EXYNOS5250 SoC
ARM: EXYNOS: Add pre-divider and fout mux clocks for bpll and mpll
ARM: EXYNOS: add GPC4 bank instance
ARM: EXYNOS: Redefine IRQ_MCT_L0,1 definition
ARM: EXYNOS: Modify the GIC physical address for static io-mapping
ARM: EXYNOS: Add watchdog timer clock instance
pinctrl: SPEAr1310: Fix pin numbers for clcd_high_res
SPEAr: Update MAINTAINERS and Documentation
SPEAr13xx: Add defconfig
SPEAr13xx: Add compilation support
SPEAr13xx: Add dts and dtsi files
pinctrl: Add SPEAr13xx pinctrl drivers
pinctrl: SPEAr: Create macro for declaring GPIO PINS
SPEAr13xx: Add common clock framework support
...
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