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Commit 33bf56106d9b ("feature removal of io_remap_page_range()") removed
io_remap_page_range(), but it is still included in some arch header
files. It has no in-tree users.
Signed-off-by: Javi Merino <javi.merino@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci
Pull PCI changes (including maintainer change) from Jesse Barnes:
"This pull has some good cleanups from Bjorn and Yinghai, as well as
some more code from Yinghai to better handle resource re-allocation
when enabled.
There's also a new initcall_debug feature from Arjan which will print
out quirk timing information to help identify slow quirks for fixing
or refinement (Yinghai sent in a few patches to do just that once the
new debug code landed).
Beyond that, I'm handing off PCI maintainership to Bjorn Helgaas.
He's been a core PCI and Linux contributor for some time now, and has
kindly volunteered to take over. I just don't feel I have the time
for PCI review and work that it deserves lately (I've taken on some
other projects), and haven't been as responsive lately as I'd like, so
I approached Bjorn asking if he'd like to manage things. He's going
to give it a try, and I'm confident he'll do at least as well as I
have in keeping the tree managed, patches flowing, and keeping things
stable."
Fix up some fairly trivial conflicts due to other cleanups (mips device
resource fixup cleanups clashing with list handling cleanup, ppc iseries
removal clashing with pci_probe_only cleanup etc)
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: (112 commits)
PCI: Bjorn gets PCI hotplug too
PCI: hand PCI maintenance over to Bjorn Helgaas
unicore32/PCI: move <asm-generic/pci-bridge.h> include to asm/pci.h
sparc/PCI: convert devtree and arch-probed bus addresses to resource
powerpc/PCI: allow reallocation on PA Semi
powerpc/PCI: convert devtree bus addresses to resource
powerpc/PCI: compute I/O space bus-to-resource offset consistently
arm/PCI: don't export pci_flags
PCI: fix bridge I/O window bus-to-resource conversion
x86/PCI: add spinlock held check to 'pcibios_fwaddrmap_lookup()'
PCI / PCIe: Introduce command line option to disable ARI
PCI: make acpihp use __pci_remove_bus_device instead
PCI: export __pci_remove_bus_device
PCI: Rename pci_remove_behind_bridge to pci_stop_and_remove_behind_bridge
PCI: Rename pci_remove_bus_device to pci_stop_and_remove_bus_device
PCI: print out PCI device info along with duration
PCI: Move "pci reassigndev resource alignment" out of quirks.c
PCI: Use class for quirk for usb host controller fixup
PCI: Use class for quirk for ti816x class fixup
PCI: Use class for quirk for intel e100 interrupt fixup
...
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arch/arm/include/asm/hardware/iop3xx.h needs to include linux/types.h to avoid
the following errors:
In file included from arch/arm/plat-iop/restart.c:10:0:
/data/fs/linux-2.6-fscache/arch/arm/include/asm/hardware/iop3xx.h:239:1: error: unknown type name 'u32'
/data/fs/linux-2.6-fscache/arch/arm/include/asm/hardware/iop3xx.h: In function 'read_tmr0':
/data/fs/linux-2.6-fscache/arch/arm/include/asm/hardware/iop3xx.h:241:2: error: unknown type name 'u32'
/data/fs/linux-2.6-fscache/arch/arm/include/asm/hardware/iop3xx.h: At top level:
/data/fs/linux-2.6-fscache/arch/arm/include/asm/hardware/iop3xx.h:246:31: error: unknown type name 'u32'
...
Signed-off-by: David Howells <dhowells@redhat.com>
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Pull irq_domain support for all architectures from Grant Likely:
"Generialize powerpc's irq_host as irq_domain
This branch takes the PowerPC irq_host infrastructure (reverse mapping
from Linux IRQ numbers to hardware irq numbering), generalizes it,
renames it to irq_domain, and makes it available to all architectures.
Originally the plan has been to create an all-new irq_domain
implementation which addresses some of the powerpc shortcomings such
as not handling 1:1 mappings well, but doing that proved to be far
more difficult and invasive than generalizing the working code and
refactoring it in-place. So, this branch rips out the 'new'
irq_domain and replaces it with the modified powerpc version (in a
fully bisectable way of course). It converts all users over to the
new API and makes irq_domain selectable on any architecture.
No architecture is forced to enable irq_domain, but the infrastructure
is required for doing OpenFirmware style irq translations. It will
even work on SPARC even though SPARC has it's own mechanism for
translating irqs at boot time. MIPS, microblaze, embedded x86 and c6x
are converted too.
The resulting irq_domain code is probably still too verbose and can be
optimized more, but that can be done incrementally and is a task for
follow-on patches."
* tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6: (31 commits)
dt: fix twl4030 for non-dt compile on x86
mfd: twl-core: Add IRQ_DOMAIN dependency
devicetree: Add empty of_platform_populate() for !CONFIG_OF_ADDRESS (sparc)
irq_domain: Centralize definition of irq_dispose_mapping()
irq_domain/mips: Allow irq_domain on MIPS
irq_domain/x86: Convert x86 (embedded) to use common irq_domain
ppc-6xx: fix build failure in flipper-pic.c and hlwd-pic.c
irq_domain/microblaze: Convert microblaze to use irq_domains
irq_domain/powerpc: Replace custom xlate functions with library functions
irq_domain/powerpc: constify irq_domain_ops
irq_domain/c6x: Use library of xlate functions
irq_domain/c6x: constify irq_domain structures
irq_domain/c6x: Convert c6x to use generic irq_domain support.
irq_domain: constify irq_domain_ops
irq_domain: Create common xlate functions that device drivers can use
irq_domain: Remove irq_domain_add_simple()
irq_domain: Remove 'new' irq_domain in favour of the ppc one
mfd: twl-core.c: Fix the number of interrupts managed by twl4030
of/address: add empty static inlines for !CONFIG_OF
irq_domain: Add support for base irq and hwirq in legacy mappings
...
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Pull kmap_atomic cleanup from Cong Wang.
It's been in -next for a long time, and it gets rid of the (no longer
used) second argument to k[un]map_atomic().
Fix up a few trivial conflicts in various drivers, and do an "evil
merge" to catch some new uses that have come in since Cong's tree.
* 'kmap_atomic' of git://github.com/congwang/linux: (59 commits)
feature-removal-schedule.txt: schedule the deprecated form of kmap_atomic() for removal
highmem: kill all __kmap_atomic() [swarren@nvidia.com: highmem: Fix ARM build break due to __kmap_atomic rename]
drbd: remove the second argument of k[un]map_atomic()
zcache: remove the second argument of k[un]map_atomic()
gma500: remove the second argument of k[un]map_atomic()
dm: remove the second argument of k[un]map_atomic()
tomoyo: remove the second argument of k[un]map_atomic()
sunrpc: remove the second argument of k[un]map_atomic()
rds: remove the second argument of k[un]map_atomic()
net: remove the second argument of k[un]map_atomic()
mm: remove the second argument of k[un]map_atomic()
lib: remove the second argument of k[un]map_atomic()
power: remove the second argument of k[un]map_atomic()
kdb: remove the second argument of k[un]map_atomic()
udf: remove the second argument of k[un]map_atomic()
ubifs: remove the second argument of k[un]map_atomic()
squashfs: remove the second argument of k[un]map_atomic()
reiserfs: remove the second argument of k[un]map_atomic()
ocfs2: remove the second argument of k[un]map_atomic()
ntfs: remove the second argument of k[un]map_atomic()
...
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Conflicts:
arch/arm/mach-tegra/Makefile
arch/arm/mach-vexpress/core.h
The tegra Makefile was changed in four different branches
in the same line. This merge should reduce the amount
of churn.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Make necessary changes to implement time keeping and irq enabling
in the core cpuidle code. This will allow the removal of these
functionalities from various platform cpuidle implementations whose
timekeeping and irq enabling follows the form in this common code.
Signed-off-by: Robert Lee <rob.lee@linaro.org>
Tested-by: Jean Pihet <j-pihet@ti.com>
Tested-by: Amit Daniel <amit.kachhap@linaro.org>
Tested-by: Robert Lee <rob.lee@linaro.org>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Acked-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Pull networking merge from David Miller:
"1) Move ixgbe driver over to purely page based buffering on receive.
From Alexander Duyck.
2) Add receive packet steering support to e1000e, from Bruce Allan.
3) Convert TCP MD5 support over to RCU, from Eric Dumazet.
4) Reduce cpu usage in handling out-of-order TCP packets on modern
systems, also from Eric Dumazet.
5) Support the IP{,V6}_UNICAST_IF socket options, making the wine
folks happy, from Erich Hoover.
6) Support VLAN trunking from guests in hyperv driver, from Haiyang
Zhang.
7) Support byte-queue-limtis in r8169, from Igor Maravic.
8) Outline code intended for IP_RECVTOS in IP_PKTOPTIONS existed but
was never properly implemented, Jiri Benc fixed that.
9) 64-bit statistics support in r8169 and 8139too, from Junchang Wang.
10) Support kernel side dump filtering by ctmark in netfilter
ctnetlink, from Pablo Neira Ayuso.
11) Support byte-queue-limits in gianfar driver, from Paul Gortmaker.
12) Add new peek socket options to assist with socket migration, from
Pavel Emelyanov.
13) Add sch_plug packet scheduler whose queue is controlled by
userland daemons using explicit freeze and release commands. From
Shriram Rajagopalan.
14) Fix FCOE checksum offload handling on transmit, from Yi Zou."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1846 commits)
Fix pppol2tp getsockname()
Remove printk from rds_sendmsg
ipv6: fix incorrent ipv6 ipsec packet fragment
cpsw: Hook up default ndo_change_mtu.
net: qmi_wwan: fix build error due to cdc-wdm dependecy
netdev: driver: ethernet: Add TI CPSW driver
netdev: driver: ethernet: add cpsw address lookup engine support
phy: add am79c874 PHY support
mlx4_core: fix race on comm channel
bonding: send igmp report for its master
fs_enet: Add MPC5125 FEC support and PHY interface selection
net: bpf_jit: fix BPF_S_LDX_B_MSH compilation
net: update the usage of CHECKSUM_UNNECESSARY
fcoe: use CHECKSUM_UNNECESSARY instead of CHECKSUM_PARTIAL on tx
net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso
ixgbe: Fix issues with SR-IOV loopback when flow control is disabled
net/hyperv: Fix the code handling tx busy
ixgbe: fix namespace issues when FCoE/DCB is not enabled
rtlwifi: Remove unused ETH_ADDR_LEN defines
igbvf: Use ETH_ALEN
...
Fix up fairly trivial conflicts in drivers/isdn/gigaset/interface.c and
drivers/net/usb/{Kconfig,qmi_wwan.c} as per David.
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[swarren@nvidia.com: highmem: Fix ARM build break due to __kmap_atomic rename]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
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Conflicts:
arch/arm/mach-shmobile/timer.c
This resolves a nonobvious merge conflict between renesas
timer changes in the global timer changes with those
from the renesas soc branch and last minute bug fixes that
went into v3.3.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Several platforms create IOMEM defines for casting to 'void __iomem *',
and other platforms are incorrectly using __io() macro for the same
purpose. This creates a common definition and removes all the platform
specific versions. Rather than try to make linux/io.h and asm/io.h
assembly safe, the assembly version of IOMEM is moved into
asm/assembler.h.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: David Brown <davidb@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Acked-by: Viresh Kumar <viresh.kumar@st.com>
Cc: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Cc: Colin Cross <ccross@android.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/renesas into next/soc
* 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/renesas: (234 commits)
ARM: shmobile: remove additional __io() macro use
ARM: mach-shmobile: default to no earlytimer
ARM: mach-shmobile: r8a7779 and Marzen timer rework
ARM: mach-shmobile: r8a7740 and Bonito timer rework
ARM: mach-shmobile: sh73a0, AG5EVM and Kota2 timer rework
ARM: mach-shmobile: sh7372, AP4EVB and Mackerel timer rework
ARM: mach-shmobile: sh7377 and G4EVM timer rework
ARM: mach-shmobile: sh7367 and G3EVM timer rework
ARM: mach-shmobile: add shmobile_earlytimer_init()
ARM: mach-shmobile: Move sh7372 AP4EVB external clk setup
ARM: mach-shmobile: Move sh7372 Mackerel external clk setup
ARM: mach-shmobile: rename clk_init() to shmobile_clk_init()
ARM: mach-shmobile: r8a7779 L2 cache support
ARM: mach-shmobile: r8a7779 map_io and init_early update
ARM: mach-shmobile: r8a7740 map_io and init_early update
ARM: mach-shmobile: sh73a0 map_io and init_early update
ARM: mach-shmobile: sh7372 map_io and init_early update
ARM: mach-shmobile: sh7377 map_io and init_early update
ARM: mach-shmobile: sh7367 map_io and init_early update
sh: remove clk_ops
...
(includes an update to v3.3-rc7)
Conflicts:
arch/arm/mach-omap2/id.c
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Remove all traces of the compile-time local timer interface,
and make the runtime selection mandatory.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Now that all users of the previous local timer interface
have been converted to the runtime registration API, make
this interface the only one supported for this driver.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Add bindings to support DT discovery of the ARM Timer Watchdog
(aka TWD). Only the timer side is converted by this patch.
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Add support for the new registration interface to smp_twd.
Platforms can populate a struct twd_local_timer with MMIO
and IRQ resources, and then call twd_local_timer_register()
to have the timer registered with the core.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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In order to switch to a runtime selectable local timer,
add a registration interface that timer drivers can use to
register to the core.
local_timer_setup() and local_timer_stop() are made weak symbols
in order not to break existing setups.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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When CONFIG_HAVE_ARM_TWD is selected, local_timer_stop is a #define,
while all other local timers are using a real function.
Convert it to an alias of twd_timer_stop, as it helps converting
all local timers to another internal API in a sane way.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Conflicts:
drivers/dma/imx-dma.c
drivers/dma/pl330.c
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
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Every DMA engine implementation declares a last completed dma cookie
in their private dma channel structures. This is pointless, and
forces driver specific code. Move this out into the common dma_chan
structure.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
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Merge reason: We are going to queue up a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Currently there were two part of DMAC PL330 driver for
support old styled s3c-pl330 which has been merged into
drivers/dma/pl330.c driver. Actually, there is no reason
to separate them now.
Basically this patch merges arch/arm/common/pl330.c into
drivers/dma/pl330.c driver and removes useless exported
symbol, externed function and so on.
The newer pl330 driver tested on SMDKV310 and SMDK4212 boards
Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
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On ARM, the PMU does not stop counting after an overflow and therefore
IRQ latency affects the new counter value read by the kernel. This is
significant for non-sampling runs where it is possible for the new value
to overtake the previous one, causing the delta to be out by up to
max_period events.
Commit a737823d ("ARM: 6835/1: perf: ensure overflows aren't missed due
to IRQ latency") attempted to fix this problem by allowing interrupt
handlers to pass an overflow flag to the event update function, causing
the overflow calculation to assume that the counter passed through zero
when going from prev to new. Unfortunately, this doesn't work when
overflow occurs on the perf_task_tick path because we have the flag
cleared and end up computing a large negative delta.
This patch removes the overflow flag from armpmu_event_update and
instead limits the sample_period to half of the max_period for
non-sampling profiling runs.
Cc: <stable@vger.kernel.org>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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__mem_pci is only used to enable readl/writel and friends. Just condition
this on readl being defined and remove all the __mem_pci defines.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Krzysztof Halasa <khc@pm.waw.pl>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Colin Cross <ccross@android.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Stephen Warren <swarren@nvidia.com>
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Add a kconfig option NEED_MACH_IO_H to conditionally include mach/io.h.
Basing this on CONFIG_PCI and CONFIG_ISA doesn't quite work. Most ISA
platforms don't need mach/io.h, but ebsa110 does. Most PCI platforms need
mach/io.h for now, but ks8695 doesn't which means i/o accesses are broken.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
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Now that all custom ioremap/iounmap users are converted to runtime hook,
remove the compile time defines.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Nicolas Pitre <nico@linaro.org>
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We have compile time over-ride of ioremap and iounmap, but an run-time
override is needed for multi-platform builds. This adds an extra function
pointer check, but ioremap is not peformance critical. The option for
compile time selection remains.
The caller variant is used here to provide correct caller information as
ARM can only support level 0 for __builtin_return_address.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nicolas Pitre <nico@linaro.org>
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Conflicts:
tools/perf/builtin-record.c
tools/perf/builtin-top.c
tools/perf/perf.h
tools/perf/util/top.h
Merge reason: resolve these cherry-picking conflicts.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
* 'imx/defconfig' of git://git.linaro.org/people/shawnguo/linux-2.6: (2 commits)
ARM: defconfig: imx_v6_v7: build in REGULATOR_FIXED_VOLTAGE
ARM: imx: update imx_v6_v7_defconfig
(upadte to v3.3-rc5)
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Conflicts:
drivers/net/ethernet/sfc/rx.c
Overlapping changes in drivers/net/ethernet/sfc/rx.c, one to change
the rx_buf->is_page boolean into a set of u16 flags, and another to
adjust how ->ip_summed is initialized.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is useful for testing RX handling of frames with bad
CRCs.
Requires driver support to actually put the packet on the
wire properly.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Everybody uses the generic pcibios_resource_to_bus() supplied by the core
now, so remove the ARCH_HAS_GENERIC_PCI_OFFSETS used during conversion.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Tell the PCI core about host bridge address translation so it can take
care of bus-to-resource conversion for us.
CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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This patch gets rid of the MMIO_P2V and __MMIO_P2V macros,
defining constant virtual base for motherboard and tile
peripherals instead.
Additionally, in preparation for the new motherboard memory
map, the motherboard peripherals are using base pointers
calculated in runtime, instead of compile-time calculated
values.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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into for-armsoc
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Now that most platforms don't need disable_fiq and arch_ret_to_user
macros, we can remove the empty macros or empty entry-macro.S files.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
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This one specifies where to start MSG_PEEK-ing queue data from. When
set to negative value means that MSG_PEEK works as ususally -- peeks
from the head of the queue always.
When some bytes are peeked from queue and the peeking offset is non
negative it is moved forward so that the next peek will return next
portion of data.
When non-peeking recvmsg occurs and the peeking offset is non negative
is is moved backward so that the next peek will still peek the proper
data (i.e. the one that would have been picked if there were no non
peeking recv in between).
The offset is set using per-proto opteration to let the protocol handle
the locking issues and to check whether the peeking offset feature is
supported by the protocol the socket belongs to.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the simplistic implementation of irq_domains and enables
the powerpc infrastructure for all irq_domain users. The powerpc
infrastructure includes support for complex mappings between Linux and
hardware irq numbers, and can manage allocation of irq_descs.
This patch also converts the few users of irq_domain_add()/irq_domain_del()
to call irq_domain_add_legacy() instead.
v3: Fix bug that set up too many irqs in translation range.
v2: Fix removal of irq_alloc_descs() call in gic driver
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Milton Miller <miltonm@bga.com>
Tested-by: Olof Johansson <olof@lixom.net>
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For files that include asm/processor.h but not asm/system.h:
arch/arm/mach-msm/include/mach/uncompress.h: In function 'putc':
arch/arm/mach-msm/include/mach/uncompress.h:48:3: error: implicit declaration of function 'smp_mb' [-Werror=implicit-function-declaration]
In this case, smp_mb() is from the cpu_relax() call in the msm putc().
It likely went uncaught when the uncompress.h change went in since the
defconfig didn't enable that code path, but later changes (e76f4750f4:
ARM: debug: arrange Kconfig options more logically) resulted in the
option being on for msm_defconfig and thus exposed it.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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dst_cache_ctrl affects bits 3, 1 and 0 of AWCACHE but it is a 3-bit
field in the Channel Control Register (see Table 3-21 of the DMA-330
Technical Reference Manual) and should be programmed as such.
Reference: <1320244259-10496-3-git-send-email-javi.merino@arm.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Bootup with lockdep enabled has been broken on v7 since b46c0f74657d
("ARM: 7321/1: cache-v7: Disable preemption when reading CCSIDR").
This is because v7_setup (which is called very early during boot) calls
v7_flush_dcache_all, and the save_and_disable_irqs added by that patch
ends up attempting to call into lockdep C code (trace_hardirqs_off())
when we are in no position to execute it (no stack, MMU off).
Fix this by using a notrace variant of save_and_disable_irqs. The code
already uses the notrace variant of restore_irqs.
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Change the arm architecture to use <asm-generic/posix_types.h>.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Link: http://lkml.kernel.org/r/1328677745-20121-5-git-send-email-hpa@zytor.com
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next/soc
* 'for-arm-soc' of git://sources.calxeda.com/kernel/linux: (247 commits)
ARM: highbank: remove unused memory.h
ARM: highbank: enable sp804 based sched_clock
ARM: timer-sp: add sched_clock support
Linux 3.3-rc3
pcmcia: fix socket refcount decrementing on each resume
mm: fix UP THP spin_is_locked BUGs
drivers/leds/leds-lm3530.c: fix setting pltfm->als_vmax
mm: compaction: check for overlapping nodes during isolation for migration
nilfs2: avoid overflowing segment numbers in nilfs_ioctl_clean_segments()
ASoC: wm8994: Disable line output discharge prior to ramping VMID
ASoC: wm8994: Fix typo in VMID ramp setting
ALSA: oxygen, virtuoso: fix exchanged L/R volumes of aux and CD inputs
ALSA: usb-audio: add Edirol UM-3G support
checkpatch: Warn on code with 6+ tab indentation
ACPI: remove duplicated lines of merging problems with acpi_processor_add
ALSA: hda - add support for Uniwill ECS M31EI notebook
HID: wiimote: fix invalid power_supply_powers call
ALSA: hda - Fix error handling in patch_ca0132.c
target: Fix unsupported WRITE_SAME sense payload
iscsi: use IP_FREEBIND socket option
...
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Add a sched_clock support for the sp804 timer. The clocksource timer
can optionally initialize itself as sched_clock timer.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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Change the sa1111 device id to be a bitmask. This allows us to
specify the actual device, while allowing a single driver to bind
to both PS2 devices.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add platform hooks to be called when individual sa1111 devices are
enabled and disabled. This will allow us to move some platform
specifics out of the individual drivers.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add a shutdown hook to the sa1111_driver structure to allow drivers
to be notified of system reboots and shutdowns.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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There were conflicts between fixes going in after 3.3-rc1 and
Russell's stable arm-soc base branch. Resolving it in the dependency
branch so that each topic branch shares the same resolution.
Conflicts:
arch/arm/mach-at91/at91cap9.c
arch/arm/mach-at91/at91sam9g45.c
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Linux 3.3-rc2
Pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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