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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
"New LED class driver:
- LED driver for TI LP3952 6-Channel Color LED
LED core improvements:
- Only descend into leds directory when CONFIG_NEW_LEDS is set
- Add no-op gpio_led_register_device when LED subsystem is disabled
- MAINTAINERS: Add file patterns for led device tree bindings
LED Trigger core improvements:
- return error if invalid trigger name is provided via sysfs
LED class drivers improvements
- is31fl32xx: define complete i2c_device_id table
- is31fl32xx: fix typo in id and match table names
- leds-gpio: Set of_node for created LED devices
- pca9532: Add device tree support
Conversion of IDE trigger to common disk trigger:
- leds: convert IDE trigger to common disk trigger
- leds: documentation: 'ide-disk' to 'disk-activity'
- unicore32: use the new LED disk activity trigger
- parisc: use the new LED disk activity trigger
- mips: use the new LED disk activity trigger
- arm: use the new LED disk activity trigger
- powerpc: use the new LED disk activity trigger"
* tag 'leds_for_4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: is31fl32xx: define complete i2c_device_id table
leds: is31fl32xx: fix typo in id and match table names
leds: LED driver for TI LP3952 6-Channel Color LED
leds: leds-gpio: Set of_node for created LED devices
leds: triggers: return error if invalid trigger name is provided via sysfs
leds: Only descend into leds directory when CONFIG_NEW_LEDS is set
leds: Add no-op gpio_led_register_device when LED subsystem is disabled
unicore32: use the new LED disk activity trigger
parisc: use the new LED disk activity trigger
mips: use the new LED disk activity trigger
arm: use the new LED disk activity trigger
powerpc: use the new LED disk activity trigger
leds: documentation: 'ide-disk' to 'disk-activity'
leds: convert IDE trigger to common disk trigger
leds: pca9532: Add device tree support
MAINTAINERS: Add file patterns for led device tree bindings
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Pull EDAC updates from Borislav Petkov:
"This last cycle, Thor was busy adding Arria10 eth FIFO support to the
altera_edac driver along with other improvements. We have two
cleanups/fixes too.
Summary:
- Altera Arria10 ethernet FIFO buffer support (Thor Thayer)
- Minor cleanups"
* tag 'edac_for_4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
ARM: dts: Add Arria10 Ethernet EDAC devicetree entry
EDAC, altera: Add Arria10 Ethernet EDAC support
EDAC, altera: Add Arria10 ECC memory init functions
Documentation: dt: socfpga: Add Arria10 Ethernet binding
EDAC, altera: Drop some ifdeffery
EDAC, altera: Add panic flag check to A10 IRQ
EDAC, altera: Check parent status for Arria10 EDAC block
EDAC, altera: Make all private data structures static
EDAC: Correct channel count limit
EDAC, amd64_edac: Init opstate at the proper time during init
EDAC, altera: Handle Arria10 SDRAM child node
EDAC, altera: Add ECC Manager IRQ controller support
Documentation: dt: socfpga: Add interrupt-controller to ecc-manager
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Pull networking updates from David Miller:
1) Unified UDP encapsulation offload methods for drivers, from
Alexander Duyck.
2) Make DSA binding more sane, from Andrew Lunn.
3) Support QCA9888 chips in ath10k, from Anilkumar Kolli.
4) Several workqueue usage cleanups, from Bhaktipriya Shridhar.
5) Add XDP (eXpress Data Path), essentially running BPF programs on RX
packets as soon as the device sees them, with the option to mirror
the packet on TX via the same interface. From Brenden Blanco and
others.
6) Allow qdisc/class stats dumps to run lockless, from Eric Dumazet.
7) Add VLAN support to b53 and bcm_sf2, from Florian Fainelli.
8) Simplify netlink conntrack entry layout, from Florian Westphal.
9) Add ipv4 forwarding support to mlxsw spectrum driver, from Ido
Schimmel, Yotam Gigi, and Jiri Pirko.
10) Add SKB array infrastructure and convert tun and macvtap over to it.
From Michael S Tsirkin and Jason Wang.
11) Support qdisc packet injection in pktgen, from John Fastabend.
12) Add neighbour monitoring framework to TIPC, from Jon Paul Maloy.
13) Add NV congestion control support to TCP, from Lawrence Brakmo.
14) Add GSO support to SCTP, from Marcelo Ricardo Leitner.
15) Allow GRO and RPS to function on macsec devices, from Paolo Abeni.
16) Support MPLS over IPV4, from Simon Horman.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1622 commits)
xgene: Fix build warning with ACPI disabled.
be2net: perform temperature query in adapter regardless of its interface state
l2tp: Correctly return -EBADF from pppol2tp_getname.
net/mlx5_core/health: Remove deprecated create_singlethread_workqueue
net: ipmr/ip6mr: update lastuse on entry change
macsec: ensure rx_sa is set when validation is disabled
tipc: dump monitor attributes
tipc: add a function to get the bearer name
tipc: get monitor threshold for the cluster
tipc: make cluster size threshold for monitoring configurable
tipc: introduce constants for tipc address validation
net: neigh: disallow transition to NUD_STALE if lladdr is unchanged in neigh_update()
MAINTAINERS: xgene: Add driver and documentation path
Documentation: dtb: xgene: Add MDIO node
dtb: xgene: Add MDIO node
drivers: net: xgene: ethtool: Use phy_ethtool_gset and sset
drivers: net: xgene: Use exported functions
drivers: net: xgene: Enable MDIO driver
drivers: net: xgene: Add backward compatibility
drivers: net: phy: xgene: Add MDIO driver
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from David Vrabel:
"Features and fixes for 4.8-rc0:
- ACPI support for guests on ARM platforms.
- Generic steal time support for arm and x86.
- Support cases where kernel cpu is not Xen VCPU number (e.g., if
in-guest kexec is used).
- Use the system workqueue instead of a custom workqueue in various
places"
* tag 'for-linus-4.8-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (47 commits)
xen: add static initialization of steal_clock op to xen_time_ops
xen/pvhvm: run xen_vcpu_setup() for the boot CPU
xen/evtchn: use xen_vcpu_id mapping
xen/events: fifo: use xen_vcpu_id mapping
xen/events: use xen_vcpu_id mapping in events_base
x86/xen: use xen_vcpu_id mapping when pointing vcpu_info to shared_info
x86/xen: use xen_vcpu_id mapping for HYPERVISOR_vcpu_op
xen: introduce xen_vcpu_id mapping
x86/acpi: store ACPI ids from MADT for future usage
x86/xen: update cpuid.h from Xen-4.7
xen/evtchn: add IOCTL_EVTCHN_RESTRICT
xen-blkback: really don't leak mode property
xen-blkback: constify instance of "struct attribute_group"
xen-blkfront: prefer xenbus_scanf() over xenbus_gather()
xen-blkback: prefer xenbus_scanf() over xenbus_gather()
xen: support runqueue steal time on xen
arm/xen: add support for vm_assist hypercall
xen: update xen headers
xen-pciback: drop superfluous variables
xen-pciback: short-circuit read path used for merging write values
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Merge updates from Andrew Morton:
- a few misc bits
- ocfs2
- most(?) of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (125 commits)
thp: fix comments of __pmd_trans_huge_lock()
cgroup: remove unnecessary 0 check from css_from_id()
cgroup: fix idr leak for the first cgroup root
mm: memcontrol: fix documentation for compound parameter
mm: memcontrol: remove BUG_ON in uncharge_list
mm: fix build warnings in <linux/compaction.h>
mm, thp: convert from optimistic swapin collapsing to conservative
mm, thp: fix comment inconsistency for swapin readahead functions
thp: update Documentation/{vm/transhuge,filesystems/proc}.txt
shmem: split huge pages beyond i_size under memory pressure
thp: introduce CONFIG_TRANSPARENT_HUGE_PAGECACHE
khugepaged: add support of collapse for tmpfs/shmem pages
shmem: make shmem_inode_info::lock irq-safe
khugepaged: move up_read(mmap_sem) out of khugepaged_alloc_page()
thp: extract khugepaged from mm/huge_memory.c
shmem, thp: respect MADV_{NO,}HUGEPAGE for file mappings
shmem: add huge pages support
shmem: get_unmapped_area align huge page
shmem: prepare huge= mount option and sysfs knob
mm, rmap: account shmem thp pages
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A quiet regulator API release, a few new drivers and some fixes but
nothing too notable. There will also be some updates for the PWM
regulator coming through the PWM tree which provide much smoother
operation when taking over an already running PWM regulator after boot
using some new PWM APIs.
Summary:
- Support for configuration of the initial suspend state from DT.
- New drivers for Mediatek MT6323, Ricoh RN5T567 and X-Powers AXP809"
* tag 'regulator-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (38 commits)
regulator: da9053/52: Fix incorrectly stated minimum and maximum voltage limits
regulator: mt6323: Constify struct regulator_ops
regulator: mt6323: Fix module description
regulator: mt6323: Add support for MT6323 regulator
regulator: Add document for MT6323 regulator
regulator: da9210: addition of device tree support
regulator: act8865: Fix missing of_node_put() in act8865_pdata_from_dt()
regulator: qcom_smd: Avoid overlapping linear voltage ranges
regulator: s2mps11: Fix the voltage linear range for s2mps15
regulator: pwm: Fix regulator ramp delay for continuous mode
regulator: da9211: add descriptions for da9212/da9214
mfd: rn5t618: Register restart handler
mfd: rn5t618: Register power off callback optionally
regulator: rn5t618: Add RN5T567 PMIC support
mfd: rn5t618: Add Ricoh RN5T567 PMIC support
ARM: dts: meson: minix-neo-x8: define PMIC as power controller
regulator: tps65218: force set power-up/down strobe to 3 for dcdc3
regulator: tps65218: Enable suspend configuration
regulator: tps65217: Enable suspend configuration
regulator: qcom_spmi: Add support for get_mode/set_mode on switches
...
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We always have vma->vm_mm around.
Link: http://lkml.kernel.org/r/1466021202-61880-8-git-send-email-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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change
This allows an arch which needs to do special handing with respect to
different page size when flushing tlb to implement the same in mmu
gather.
Link: http://lkml.kernel.org/r/1465049193-22197-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Hugh Dickins <hughd@google.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This updates the generic and arch specific implementation to return true
if we need to do a tlb flush. That means if a __tlb_remove_page
indicate a flush is needed, the page we try to remove need to be tracked
and added again after the flush. We need to track it because we have
already update the pte to none and we can't just loop back.
This change is done to enable us to do a tlb_flush when we try to flush
a range that consists of different page sizes. For architectures like
ppc64, we can do a range based tlb flush and we need to track page size
for that. When we try to remove a huge page, we will force a tlb flush
and starts a new mmu gather.
[aneesh.kumar@linux.vnet.ibm.com: mm-change-the-interface-for-__tlb_remove_page-v3]
Link: http://lkml.kernel.org/r/1465049193-22197-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/1464860389-29019-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Hugh Dickins <hughd@google.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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__GFP_REPEAT has a rather weak semantic but since it has been introduced
around 2.6.12 it has been ignored for low order allocations.
PGALLOC_GFP uses __GFP_REPEAT but none of the allocation which uses this
flag is for more than order-2. This means that this flag has never been
actually useful here because it has always been used only for
PAGE_ALLOC_COSTLY requests.
Link: http://lkml.kernel.org/r/1464599699-30131-5-git-send-email-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Enables CONFIG_HARDENED_USERCOPY checks on arm.
Based on code from PaX and grsecurity.
Signed-off-by: Kees Cook <keescook@chromium.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata updates from Tejun Heo:
"libata saw quite a bit of activities in this cycle:
- SMR drive support still being worked on
- bug fixes and improvements to misc SCSI command emulation
- some low level driver updates"
* 'for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (39 commits)
libata-scsi: better style in ata_msense_*()
AHCI: Clear GHC.IS to prevent unexpectly asserting INTx
ata: sata_dwc_460ex: remove redundant dev_err call
ata: define ATA_PROT_* in terms of ATA_PROT_FLAG_*
libata: remove ATA_PROT_FLAG_DATA
libata: remove ata_is_nodata
ata: make lba_{28,48}_ok() use ATA_MAX_SECTORS{,_LBA48}
libata-scsi: minor cleanup for ata_scsi_zbc_out_xlat
libata-scsi: Fix ZBC management out command translation
libata-scsi: Fix translation of REPORT ZONES command
ata: Handle ATA NCQ NO-DATA commands correctly
libata-eh: decode all taskfile protocols
ata: fixup ATA_PROT_NODATA
libsas: use ata_is_ncq() and ata_has_dma() accessors
libata: use ata_is_ncq() accessors
libata: return boolean values from ata_is_*
libata-scsi: avoid repeated calculation of number of TRIM ranges
libata-scsi: reject WRITE SAME (16) with n_block that exceeds limit
libata-scsi: rename ata_msense_ctl_mode() to ata_msense_control()
libata-scsi: fix D_SENSE bit relection in control mode page
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"Here is the crypto update for 4.8:
API:
- first part of skcipher low-level conversions
- add KPP (Key-agreement Protocol Primitives) interface.
Algorithms:
- fix IPsec/cryptd reordering issues that affects aesni
- RSA no longer does explicit leading zero removal
- add SHA3
- add DH
- add ECDH
- improve DRBG performance by not doing CTR by hand
Drivers:
- add x86 AVX2 multibuffer SHA256/512
- add POWER8 optimised crc32c
- add xts support to vmx
- add DH support to qat
- add RSA support to caam
- add Layerscape support to caam
- add SEC1 AEAD support to talitos
- improve performance by chaining requests in marvell/cesa
- add support for Araneus Alea I USB RNG
- add support for Broadcom BCM5301 RNG
- add support for Amlogic Meson RNG
- add support Broadcom NSP SoC RNG"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (180 commits)
crypto: vmx - Fix aes_p8_xts_decrypt build failure
crypto: vmx - Ignore generated files
crypto: vmx - Adding support for XTS
crypto: vmx - Adding asm subroutines for XTS
crypto: skcipher - add comment for skcipher_alg->base
crypto: testmgr - Print akcipher algorithm name
crypto: marvell - Fix wrong flag used for GFP in mv_cesa_dma_add_iv_op
crypto: nx - off by one bug in nx_of_update_msc()
crypto: rsa-pkcs1pad - fix rsa-pkcs1pad request struct
crypto: scatterwalk - Inline start/map/done
crypto: scatterwalk - Remove unnecessary BUG in scatterwalk_start
crypto: scatterwalk - Remove unnecessary advance in scatterwalk_pagedone
crypto: scatterwalk - Fix test in scatterwalk_done
crypto: api - Optimise away crypto_yield when hard preemption is on
crypto: scatterwalk - add no-copy support to copychunks
crypto: scatterwalk - Remove scatterwalk_bytes_sglen
crypto: omap - Stop using crypto scatterwalk_bytes_sglen
crypto: skcipher - Remove top-level givcipher interface
crypto: user - Remove crypto_lookup_skcipher call
crypto: cts - Convert to skcipher
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"This update provides the following changes:
- The rework of the timer wheel which addresses the shortcomings of
the current wheel (cascading, slow search for next expiring timer,
etc). That's the first major change of the wheel in almost 20
years since Finn implemted it.
- A large overhaul of the clocksource drivers init functions to
consolidate the Device Tree initialization
- Some more Y2038 updates
- A capability fix for timerfd
- Yet another clock chip driver
- The usual pile of updates, comment improvements all over the place"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (130 commits)
tick/nohz: Optimize nohz idle enter
clockevents: Make clockevents_subsys static
clocksource/drivers/time-armada-370-xp: Fix return value check
timers: Implement optimization for same expiry time in mod_timer()
timers: Split out index calculation
timers: Only wake softirq if necessary
timers: Forward the wheel clock whenever possible
timers/nohz: Remove pointless tick_nohz_kick_tick() function
timers: Optimize collect_expired_timers() for NOHZ
timers: Move __run_timers() function
timers: Remove set_timer_slack() leftovers
timers: Switch to a non-cascading wheel
timers: Reduce the CPU index space to 256k
timers: Give a few structs and members proper names
hlist: Add hlist_is_singular_node() helper
signals: Use hrtimer for sigtimedwait()
timers: Remove the deprecated mod_timer_pinned() API
timers, net/ipv4/inet: Initialize connection request timers as pinned
timers, drivers/tty/mips_ejtag: Initialize the poll timer as pinned
timers, drivers/tty/metag_da: Initialize the poll timer as pinned
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"With over 300 commits it's been a busy cycle - with most of the work
concentrated on the tooling side (as it should).
The main kernel side enhancements were:
- Add per event callchain limit: Recently we introduced a sysctl to
tune the max-stack for all events for which callchains were
requested:
$ sysctl kernel.perf_event_max_stack
kernel.perf_event_max_stack = 127
Now this patch introduces a way to configure this per event, i.e.
this becomes possible:
$ perf record -e sched:*/max-stack=2/ -e block:*/max-stack=10/ -a
allowing finer tuning of how much buffer space callchains use.
This uses an u16 from the reserved space at the end, leaving
another u16 for future use.
There has been interest in even finer tuning, namely to control the
max stack for kernel and userspace callchains separately. Further
discussion is needed, we may for instance use the remaining u16 for
that and when it is present, assume that the sample_max_stack
introduced in this patch applies for the kernel, and the u16 left
is used for limiting the userspace callchain (Arnaldo Carvalho de
Melo)
- Optimize AUX event (hardware assisted side-band event) delivery
(Kan Liang)
- Rework Intel family name macro usage (this is partially x86 arch
work) (Dave Hansen)
- Refine and fix Intel LBR support (David Carrillo-Cisneros)
- Add support for Intel 'TopDown' events (Andi Kleen)
- Intel uncore PMU driver fixes and enhancements (Kan Liang)
- ... other misc changes.
Here's an incomplete list of the tooling enhancements (but there's
much more, see the shortlog and the git log for details):
- Support cross unwinding, i.e. collecting '--call-graph dwarf'
perf.data files in one machine and then doing analysis in another
machine of a different hardware architecture. This enables, for
instance, to do:
$ perf record -a --call-graph dwarf
on a x86-32 or aarch64 system and then do 'perf report' on it on a
x86_64 workstation (He Kuang)
- Allow reading from a backward ring buffer (one setup via
sys_perf_event_open() with perf_event_attr.write_backward = 1)
(Wang Nan)
- Finish merging initial SDT (Statically Defined Traces) support, see
cset comments for details about how it all works (Masami Hiramatsu)
- Support attaching eBPF programs to tracepoints (Wang Nan)
- Add demangling of symbols in programs written in the Rust language
(David Tolnay)
- Add support for tracepoints in the python binding, including an
example, that sets up and parses sched:sched_switch events,
tools/perf/python/tracepoint.py (Jiri Olsa)
- Introduce --stdio-color to set up the color output mode selection
in 'annotate' and 'report', allowing emit color escape sequences
when redirecting the output of these tools (Arnaldo Carvalho de
Melo)
- Add 'callindent' option to 'perf script -F', to indent the Intel PT
call stack, making this output more ftrace-like (Adrian Hunter,
Andi Kleen)
- Allow dumping the object files generated by llvm when processing
eBPF scriptlet events (Wang Nan)
- Add stackcollapse.py script to help generating flame graphs (Paolo
Bonzini)
- Add --ldlat option to 'perf mem' to specify load latency for loads
event (e.g. cpu/mem-loads/ ) (Jiri Olsa)
- Tooling support for Intel TopDown counters, recently added to the
kernel (Andi Kleen)"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (303 commits)
perf tests: Add is_printable_array test
perf tools: Make is_printable_array global
perf script python: Fix string vs byte array resolving
perf probe: Warn unmatched function filter correctly
perf cpu_map: Add more helpers
perf stat: Balance opening and reading events
tools: Copy linux/{hash,poison}.h and check for drift
perf tools: Remove include/linux/list.h from perf's MANIFEST
tools: Copy the bitops files accessed from the kernel and check for drift
Remove: kernel unistd*h files from perf's MANIFEST, not used
perf tools: Remove tools/perf/util/include/linux/const.h
perf tools: Remove tools/perf/util/include/asm/byteorder.h
perf tools: Add missing linux/compiler.h include to perf-sys.h
perf jit: Remove some no-op error handling
perf jit: Add missing curly braces
objtool: Initialize variable to silence old compiler
objtool: Add -I$(srctree)/tools/arch/$(ARCH)/include/uapi
perf record: Add --tail-synthesize option
perf session: Don't warn about out of order event if write_backward is used
perf tools: Enable overwrite settings
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"The locking tree was busier in this cycle than the usual pattern - a
couple of major projects happened to coincide.
The main changes are:
- implement the atomic_fetch_{add,sub,and,or,xor}() API natively
across all SMP architectures (Peter Zijlstra)
- add atomic_fetch_{inc/dec}() as well, using the generic primitives
(Davidlohr Bueso)
- optimize various aspects of rwsems (Jason Low, Davidlohr Bueso,
Waiman Long)
- optimize smp_cond_load_acquire() on arm64 and implement LSE based
atomic{,64}_fetch_{add,sub,and,andnot,or,xor}{,_relaxed,_acquire,_release}()
on arm64 (Will Deacon)
- introduce smp_acquire__after_ctrl_dep() and fix various barrier
mis-uses and bugs (Peter Zijlstra)
- after discovering ancient spin_unlock_wait() barrier bugs in its
implementation and usage, strengthen its semantics and update/fix
usage sites (Peter Zijlstra)
- optimize mutex_trylock() fastpath (Peter Zijlstra)
- ... misc fixes and cleanups"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (67 commits)
locking/atomic: Introduce inc/dec variants for the atomic_fetch_$op() API
locking/barriers, arch/arm64: Implement LDXR+WFE based smp_cond_load_acquire()
locking/static_keys: Fix non static symbol Sparse warning
locking/qspinlock: Use __this_cpu_dec() instead of full-blown this_cpu_dec()
locking/atomic, arch/tile: Fix tilepro build
locking/atomic, arch/m68k: Remove comment
locking/atomic, arch/arc: Fix build
locking/Documentation: Clarify limited control-dependency scope
locking/atomic, arch/rwsem: Employ atomic_long_fetch_add()
locking/atomic, arch/qrwlock: Employ atomic_fetch_add_acquire()
locking/atomic, arch/mips: Convert to _relaxed atomics
locking/atomic, arch/alpha: Convert to _relaxed atomics
locking/atomic: Remove the deprecated atomic_{set,clear}_mask() functions
locking/atomic: Remove linux/atomic.h:atomic_fetch_or()
locking/atomic: Implement atomic{,64,_long}_fetch_{add,sub,and,andnot,or,xor}{,_relaxed,_acquire,_release}()
locking/atomic: Fix atomic64_relaxed() bits
locking/atomic, arch/xtensa: Implement atomic_fetch_{add,sub,and,or,xor}()
locking/atomic, arch/x86: Implement atomic{,64}_fetch_{add,sub,and,or,xor}()
locking/atomic, arch/tile: Implement atomic{,64}_fetch_{add,sub,and,or,xor}()
locking/atomic, arch/sparc: Implement atomic{,64}_fetch_{add,sub,and,or,xor}()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"The biggest change in this cycle were SGI/UV related changes that
clean up and fix UV boot quirks and problems.
There's also various smaller cleanups and refinements"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Reorganize the GUID table to make it easier to read
x86/efi: Remove the unused efi_get_time() function
x86/efi: Update efi_thunk() to use the the arch_efi_call_virt*() macros
x86/uv: Update uv_bios_call() to use efi_call_virt_pointer()
efi: Convert efi_call_virt() to efi_call_virt_pointer()
x86/efi: Remove unused variable 'efi'
efi: Document #define FOO_PROTOCOL_GUID layout
efibc: Report more information in the error messages
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HYPERVISOR_vcpu_op() passes Linux's idea of vCPU id as a parameter
while Xen's idea is expected. In some cases these ideas diverge so we
need to do remapping.
Convert all callers of HYPERVISOR_vcpu_op() to use xen_vcpu_nr().
Leave xen_fill_possible_map() and xen_filter_cpu_maps() intact as
they're only being called by PV guests before perpu areas are
initialized. While the issue could be solved by switching to
early_percpu for xen_vcpu_id I think it's not worth it: PV guests will
probably never get to the point where their idea of vCPU id diverges
from Xen's.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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It may happen that Xen's and Linux's ideas of vCPU id diverge. In
particular, when we crash on a secondary vCPU we may want to do kdump
and unlike plain kexec where we do migrate_to_reboot_cpu() we try
booting on the vCPU which crashed. This doesn't work very well for
PVHVM guests as we have a number of hypercalls where we pass vCPU id
as a parameter. These hypercalls either fail or do something
unexpected.
To solve the issue introduce percpu xen_vcpu_id mapping. ARM and PV
guests get direct mapping for now. Boot CPU for PVHVM guest gets its
id from CPUID. With secondary CPUs it is a bit more
trickier. Currently, we initialize IPI vectors before these CPUs boot
so we can't use CPUID. Use ACPI ids from MADT instead.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB driver update for 4.8-rc1. Lots of the normal
stuff in here, musb, gadget, xhci, and other updates and fixes. All
of the details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits)
cdc-acm: beautify probe()
cdc-wdm: use the common CDC parser
cdc-acm: cleanup error handling
cdc-acm: use the common parser
usbnet: move the CDC parser into USB core
usb: musb: sunxi: Simplify dr_mode handling
usb: musb: sunxi: make unexported symbols static
usb: musb: cppi41: add dma channel tracepoints
usb: musb: cppi41: move struct cppi41_dma_channel to header
usb: musb: cleanup cppi_dma header
usb: musb: gadget: add usb-request tracepoints
usb: musb: host: add urb tracepoints
usb: musb: add tracepoints to dump interrupt events
usb: musb: add tracepoints for register access
usb: musb: dsps: use musb register read/write wrappers instead
usb: musb: switch dev_dbg to tracepoints
usb: musb: add tracepoints support for debugging
usb: quirks: Add no-lpm quirk for Elan
phy: rcar-gen3-usb2: fix mutex_lock calling in interrupt
phy: rockhip-usb: use devm_add_action_or_reset()
...
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Just several instances of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A handful of fixes before final release:
Marvell Armada:
- One to fix a typo in the devicetree specifying memory ranges for
the crypto engine
- Two to deal with marking PCI and device-memory as strongly ordered
to avoid hardware deadlocks, in particular when enabling above
crypto driver.
- Compile fix for PM
Allwinner:
- DT clock fixes to deal with u-boot-enabled framebuffer (simplefb).
- Make R8 (C.H.I.P. SoC) inherit system compatibility from A13 to
make clocks register proper.
Tegra:
- Fix SD card voltage setting on the Tegra3 Beaver dev board
Misc:
- Two maintainers updates for STM32 and STi platforms"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: tegra: beaver: Allow SD card voltage to be changed
MAINTAINERS: update STi maintainer list
MAINTAINERS: update STM32 maintainers list
ARM: mvebu: compile pm code conditionally
ARM: dts: sun7i: Fix pll3x2 and pll7x2 not having a parent clock
ARM: dts: sunxi: Add pll3 to simplefb nodes clocks lists
ARM: dts: armada-38x: fix MBUS_ID for crypto SRAM on Armada 385 Linksys
ARM: mvebu: map PCI I/O regions strongly ordered
ARM: mvebu: fix HW I/O coherency related deadlocks
ARM: sunxi/dt: make the CHIP inherit from allwinner,sun5i-a13
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Replace the non-standard vendor prefix stm with st for
STMicroelectronics. The drivers do not specify the vendor prefixes
since the I2C Core strips them away from the DT provided compatible
string. Therefore, changing existing device trees does not have any
impact on device detection.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Rob Herring <robh@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into next
KVM/ARM changes for Linux 4.8
- GICv3 ITS emulation
- Simpler idmap management that fixes potential TLB conflicts
- Honor the kernel protection in HYP mode
- Removal of the old vgic implementation
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This patch adds compilation and link against irqchip.
Main motivation behind using irqchip code is to enable MSI
routing code. In the future irqchip routing may also be useful
when targeting multiple irqchips.
Routing standard callbacks now are implemented in vgic-irqfd:
- kvm_set_routing_entry
- kvm_set_irq
- kvm_set_msi
They only are supported with new_vgic code.
Both HAVE_KVM_IRQCHIP and HAVE_KVM_IRQ_ROUTING are defined.
KVM_CAP_IRQ_ROUTING is advertised and KVM_SET_GSI_ROUTING is allowed.
So from now on IRQCHIP routing is enabled and a routing table entry
must exist for irqfd injection to succeed for a given SPI. This patch
builds a default flat irqchip routing table (gsi=irqchip.pin) covering
all the VGIC SPI indexes. This routing table is overwritten by the
first first user-space call to KVM_SET_GSI_ROUTING ioctl.
MSI routing setup is not yet allowed.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
Merge "Renesas ARM Based SoC DT Fixes for v4.8" from Simon Horman:
* Corrections to r8a7792
* tag 'renesas-dt-fixes-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: dts: r8a7792: remove ADSP clock
ARM: dts: r8a7792: add PLL1 divided by 2 clock
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Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge "mvebu dt for 4.8 (part 1)" from Gregory CLEMENT:
Fix dts for the clearfog board (Armada 388 SoC based)
* tag 'mvebu-dt-4.8-1' of git://git.infradead.org/linux-mvebu:
ARM: dts: armada-388-clearfog: remove duplicate mdio entry
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/dt
Merge "Allwinner DT changes for 4.8, take 2" from Maxime Ripard:
Another set of changes for the 4.8 merge window, among which:
- Reworking of the DT for the tablets based on Allwinner reference design
and q8 designs to avoid duplication as much as possible
- Renaming a DT merged in the first PR for consistency
- Enable a few devices on some boards
- New boards: Polaroid MID2407PXE03, inet86dz
* tag 'sunxi-dt-for-4.8-2-bis' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: (21 commits)
ARM: dts: sun8i: Add dts file for inet86dz board
ARM: dts: sun8i: Add dts file for Polaroid MID2407PXE03 tablet
ARM: dts: sun8i: Use sun8i-reference-design-tablet for ga10h dts
ARM: dts: sun8i: Use sun8i-reference-design-tablet for polaroid mid2809pxe04
ARM: dts: sun8i: reference-design-tablet: Add drivevbus-supply
ARM: dts: Copy sun8i-q8-common.dtsi sun8i-reference-design-tablet.dtsi
ARM: dts: sun5i: Use sun5i-reference-design-tablet.dtsi for utoo p66 dts
ARM: dts: sun5i: Use sun5i-reference-design-tablet.dtsi for dit4350 dts
ARM: dts: sun5i: reference-design-tablet: Remove mention of q8
ARM: dts: sun5i: reference-design-tablet: Set lradc vref to avcc
ARM: dts: sun5i: Rename sun5i-q8-common.dtsi sun5i-reference-design-tablet.dtsi
ARM: dts: sun5i: Move q8 display bits to sun5i-a13-q8-tablet.dts
ARM: dts: sunxi: Rename sunxi-q8-common.dtsi sunxi-reference-design-tablet.dtsi
ARM: dts: sun7i: bananapi-m1-plus: red LED is power LED
ARM: dts: sun7i: bananapi-m1-plus: Unify suffix for board specific labels
ARM: dts: sun7i: bananapi-m1-plus: Reindent whole file using tabs
ARM: dts: sun7i: lamobo-r1: Enable audio codec
ARM: dts: sun7i: lamobo-r1: Fix GPIO flags in reg_ahci_5v
ARM: dts: sun8i-h3: Rename sinovoip-bpi-m2-plus to bananapi-m2-plus
ARM: dts: sun7i: lamobo-r1: Remove usb1 vbus regulator
...
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'regulator/topic/rn5t618', 'regulator/topic/tps65218' and 'regulator/topic/twl' into regulator-next
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Introduce a new KVM device that represents an ARM Interrupt Translation
Service (ITS) controller. Since there can be multiple of this per guest,
we can't piggy back on the existing GICv3 distributor device, but create
a new type of KVM device.
On the KVM_CREATE_DEVICE ioctl we allocate and initialize the ITS data
structure and store the pointer in the kvm_device data.
Upon an explicit init ioctl from userland (after having setup the MMIO
address) we register the handlers with the kvm_io_bus framework.
Any reference to an ITS thus has to go via this interface.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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KVM capabilities can be a per-VM property, though ARM/ARM64 currently
does not pass on the VM pointer to the architecture specific
capability handlers.
Add a "struct kvm*" parameter to those function to later allow proper
per-VM capability reporting.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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The inet86dz board is a board used in 7" tablets from various oems.
These tablets are a23 based 7" tablets featuring a 1024x600 LCD,
512MB RAM, 4G NAND, rtl8188etv usb wifi, gsl1680 touchschreen,
micro-sd slot, 3.5mm headphone jack and a micro-usb otg connector
which doubles as charging port.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The Polaroid MID2407PXE03 is an a23 based 7" tablet based on a M86_MB V2.0
PCB, featuring a 800x480 LCD, 512MB RAM, 4G NAND, esp8089 wifi, gsl1680
touchschreen, micro-sd slot, 3.5mm headphone jack and a micro-usb otg
connector which doubles as charging port.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This results in quite a nice cleanup for this dts file.
As an added bonus this also enables backlight, regulator and full otg
support. I've tested that all these works as advertised.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This results in quite a nice cleanup for this dts file.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Add a drivevbus-supply property so that the drivevbus regulator
reports the right voltage value.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Copy sun8i-q8-common.dtsi to sun8i-reference-design-tablet.dtsi. This
is part of renaming all the sun?i-q8-common.dtsi files to
sun?i-reference-design-tablet.dtsi since most of the hw-config in there
is shared by all sunxi tablets.
Note that in this case we keep sun5i-q8-common.dtsi as it is shared
between a23 / a33 q8 tablets. Also we leave the usb-wifi config in
there (rather then in sun8i-reference-design-tablet.dtsi) as most
sun8i tablets use sdio wifi rather then usb wifi.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This results in a nice cleanup for this dts file.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This results in quite a nice cleanup for this dts file.
Note as a side-effect this also enables the on board speaker / headphones
out. I've tested that this works as advertised.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Remove all mention of q8 from sun5i-reference-design-tablet.dtsi.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Set lradc vref to the actual avcc ldo, rather then to the fixed 3v0
regulator from common-regulators.dtsi.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Rename sun5i-q8-common.dtsi to sun5i-reference-design-tablet.dtsi. This
is part of renaming all the sun?i-q8-common.dtsi files to
sun?i-reference-design-tablet.dtsi since most of the hw-config in there
is shared by all sunxi tablets.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This is a preparation patch for renaming sun5i-q8-common.dtsi to
sun5i-reference-design-tablet.dtsi and sharing it between all
the A13 tablet dts files.
Since we only have a panel config for the 18 tablets (for now) move
this to the q8 specific dts file.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Rename sunxi-q8-common.dtsi to sunxi-reference-design-tablet.dtsi. This
is part of renaming all the sun?i-q8-common.dtsi files to
sun?i-reference-design-tablet.dtsi since most of the hw-config in there
is shared by all sunxi tablets.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Commit 0dfd582e026a ("watchdog: qcom: use timer devicetree
binding") moved to use the watchdog as a subset timer
register block. Some devices have the watchdog completely
standalone with slightly different register offsets as
well so let's account for the differences here.
The existing "kpss-standalone" compatible string doesn't
make it entirely clear exactly what the device is so
rename to "kpss-wdt" to reflect watchdog timer
functionality. Also update ipq4019 DTS with an SoC
specific compatible.
Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
Signed-off-by: Thomas Pedersen <twp@codeaurora.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Update the compatible string to align with driver and also
add SoC specific string to DTS.
CC: linux-watchdog@vger.kernel.org
Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
Signed-off-by: Thomas Pedersen <twp@codeaurora.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/dt
Merge "DT Changes for 4.8 #3" from Alexandre Belloni:
- Lot of fixes for dtc warnings
- Separate dtb compilation for ARMv4 and ARMv5
* tag 'at91-ab-4.8-dt3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
ARM: dts: at91: Don't build unnecessary dtbs
ARM: dts: at91: sama5d3x: separate motherboard gmac and emac definitions
ARM: dts: at91: at91sam9g25ek: fix isi endpoint node
ARM: dts: at91: move isi definition to at91sam9g25ek
ARM: dts: at91: fix i2c-gpio node name
ARM: dts: at91: vinco: fix regulator name
ARM: dts: at91: ariag25 : fix onewire node
ARM: dts: at91: sama5d4_ma5d4evk: fix regulator names
ARM: dts: at91: sama5d4_ma5d4: fix regulator names
ARM: dts: at91: sama5d4_xplained: fix regulator names
ARM: dts: at91: sama5d3_xplained: fix regulator name
ARM: dts: at91: sama5d4ek: remove useless lcd_bus
ARM: dts: at91: Fix USB endpoint nodes
Documentation: dt: usb: atmel-usb: add unit-address
ARM: dts: at91: Fix ADC trigger nodes
Documentation: dt: iio: at91_adc: fix trigger node names
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Building both ARMv4 and ARMv5 dtbs when SOC_SAM_V4_V5 is an issue for
kernelci because it will then attempt to boot ARMv4 kernels on at91sam9
which doesn't work.
Use CONFIG_SOC_AT91RM9200 and CONFIG_SOC_AT91SAM9 instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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