Commit Graph

22660 Commits

Author SHA1 Message Date
Linus Torvalds b0f85fa11a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:

Changes of note:

 1) Allow to schedule ICMP packets in IPVS, from Alex Gartrell.

 2) Provide FIB table ID in ipv4 route dumps just as ipv6 does, from
    David Ahern.

 3) Allow the user to ask for the statistics to be filtered out of
    ipv4/ipv6 address netlink dumps.  From Sowmini Varadhan.

 4) More work to pass the network namespace context around deep into
    various packet path APIs, starting with the netfilter hooks.  From
    Eric W Biederman.

 5) Add layer 2 TX/RX checksum offloading to qeth driver, from Thomas
    Richter.

 6) Use usec resolution for SYN/ACK RTTs in TCP, from Yuchung Cheng.

 7) Support Very High Throughput in wireless MESH code, from Bob
    Copeland.

 8) Allow setting the ageing_time in switchdev/rocker.  From Scott
    Feldman.

 9) Properly autoload L2TP type modules, from Stephen Hemminger.

10) Fix and enable offload features by default in 8139cp driver, from
    David Woodhouse.

11) Support both ipv4 and ipv6 sockets in a single vxlan device, from
    Jiri Benc.

12) Fix CWND limiting of thin streams in TCP, from Bendik Rønning
    Opstad.

13) Fix IPSEC flowcache overflows on large systems, from Steffen
    Klassert.

14) Convert bridging to track VLANs using rhashtable entries rather than
    a bitmap.  From Nikolay Aleksandrov.

15) Make TCP listener handling completely lockless, this is a major
    accomplishment.  Incoming request sockets now live in the
    established hash table just like any other socket too.

    From Eric Dumazet.

15) Provide more bridging attributes to netlink, from Nikolay
    Aleksandrov.

16) Use hash based algorithm for ipv4 multipath routing, this was very
    long overdue.  From Peter Nørlund.

17) Several y2038 cures, mostly avoiding timespec.  From Arnd Bergmann.

18) Allow non-root execution of EBPF programs, from Alexei Starovoitov.

19) Support SO_INCOMING_CPU as setsockopt, from Eric Dumazet.  This
    influences the port binding selection logic used by SO_REUSEPORT.

20) Add ipv6 support to VRF, from David Ahern.

21) Add support for Mellanox Spectrum switch ASIC, from Jiri Pirko.

22) Add rtl8xxxu Realtek wireless driver, from Jes Sorensen.

23) Implement RACK loss recovery in TCP, from Yuchung Cheng.

24) Support multipath routes in MPLS, from Roopa Prabhu.

25) Fix POLLOUT notification for listening sockets in AF_UNIX, from Eric
    Dumazet.

26) Add new QED Qlogic river, from Yuval Mintz, Manish Chopra, and
    Sudarsana Kalluru.

27) Don't fetch timestamps on AF_UNIX sockets, from Hannes Frederic
    Sowa.

28) Support ipv6 geneve tunnels, from John W Linville.

29) Add flood control support to switchdev layer, from Ido Schimmel.

30) Fix CHECKSUM_PARTIAL handling of potentially fragmented frames, from
    Hannes Frederic Sowa.

31) Support persistent maps and progs in bpf, from Daniel Borkmann.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1790 commits)
  sh_eth: use DMA barriers
  switchdev: respect SKIP_EOPNOTSUPP flag in case there is no recursion
  net: sched: kill dead code in sch_choke.c
  irda: Delete an unnecessary check before the function call "irlmp_unregister_service"
  net: dsa: mv88e6xxx: include DSA ports in VLANs
  net: dsa: mv88e6xxx: disable SA learning for DSA and CPU ports
  net/core: fix for_each_netdev_feature
  vlan: Invoke driver vlan hooks only if device is present
  arcnet/com20020: add LEDS_CLASS dependency
  bpf, verifier: annotate verbose printer with __printf
  dp83640: Only wait for timestamps for packets with timestamping enabled.
  ptp: Change ptp_class to a proper bitmask
  dp83640: Prune rx timestamp list before reading from it
  dp83640: Delay scheduled work.
  dp83640: Include hash in timestamp/packet matching
  ipv6: fix tunnel error handling
  net/mlx5e: Fix LSO vlan insertion
  net/mlx5e: Re-eanble client vlan TX acceleration
  net/mlx5e: Return error in case mlx5e_set_features() fails
  net/mlx5e: Don't allow more than max supported channels
  ...
2015-11-04 09:41:05 -08:00
Linus Torvalds ccc9d4a6d6 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
 "API:

   - Add support for cipher output IVs in testmgr
   - Add missing crypto_ahash_blocksize helper
   - Mark authenc and des ciphers as not allowed under FIPS.

Algorithms:

   - Add CRC support to 842 compression
   - Add keywrap algorithm
   - A number of changes to the akcipher interface:
      + Separate functions for setting public/private keys.
      + Use SG lists.

Drivers:

   - Add Intel SHA Extension optimised SHA1 and SHA256
   - Use dma_map_sg instead of custom functions in crypto drivers
   - Add support for STM32 RNG
   - Add support for ST RNG
   - Add Device Tree support to exynos RNG driver
   - Add support for mxs-dcp crypto device on MX6SL
   - Add xts(aes) support to caam
   - Add ctr(aes) and xts(aes) support to qat
   - A large set of fixes from Russell King for the marvell/cesa driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (115 commits)
  crypto: asymmetric_keys - Fix unaligned access in x509_get_sig_params()
  crypto: akcipher - Don't #include crypto/public_key.h as the contents aren't used
  hwrng: exynos - Add Device Tree support
  hwrng: exynos - Fix missing configuration after suspend to RAM
  hwrng: exynos - Add timeout for waiting on init done
  dt-bindings: rng: Describe Exynos4 PRNG bindings
  crypto: marvell/cesa - use __le32 for hardware descriptors
  crypto: marvell/cesa - fix missing cpu_to_le32() in mv_cesa_dma_add_op()
  crypto: marvell/cesa - use memcpy_fromio()/memcpy_toio()
  crypto: marvell/cesa - use gfp_t for gfp flags
  crypto: marvell/cesa - use dma_addr_t for cur_dma
  crypto: marvell/cesa - use readl_relaxed()/writel_relaxed()
  crypto: caam - fix indentation of close braces
  crypto: caam - only export the state we really need to export
  crypto: caam - fix non-block aligned hash calculation
  crypto: caam - avoid needlessly saving and restoring caam_hash_ctx
  crypto: caam - print errno code when hash registration fails
  crypto: marvell/cesa - fix memory leak
  crypto: marvell/cesa - fix first-fragment handling in mv_cesa_ahash_dma_last_req()
  crypto: marvell/cesa - rearrange handling for sw padded hashes
  ...
2015-11-04 09:11:12 -08:00
Linus Torvalds 105ff3cbf2 atomic: remove all traces of READ_ONCE_CTRL() and atomic*_read_ctrl()
This seems to be a mis-reading of how alpha memory ordering works, and
is not backed up by the alpha architecture manual.  The helper functions
don't do anything special on any other architectures, and the arguments
that support them being safe on other architectures also argue that they
are safe on alpha.

Basically, the "control dependency" is between a previous read and a
subsequent write that is dependent on the value read.  Even if the
subsequent write is actually done speculatively, there is no way that
such a speculative write could be made visible to other cpu's until it
has been committed, which requires validating the speculation.

Note that most weakely ordered architectures (very much including alpha)
do not guarantee any ordering relationship between two loads that depend
on each other on a control dependency:

    read A
    if (val == 1)
        read B

because the conditional may be predicted, and the "read B" may be
speculatively moved up to before reading the value A.  So we require the
user to insert a smp_rmb() between the two accesses to be correct:

    read A;
    if (A == 1)
        smp_rmb()
        read B

Alpha is further special in that it can break that ordering even if the
*address* of B depends on the read of A, because the cacheline that is
read later may be stale unless you have a memory barrier in between the
pointer read and the read of the value behind a pointer:

    read ptr
    read offset(ptr)

whereas all other weakly ordered architectures guarantee that the data
dependency (as opposed to just a control dependency) will order the two
accesses.  As a result, alpha needs a "smp_read_barrier_depends()" in
between those two reads for them to be ordered.

The coontrol dependency that "READ_ONCE_CTRL()" and "atomic_read_ctrl()"
had was a control dependency to a subsequent *write*, however, and
nobody can finalize such a subsequent write without having actually done
the read.  And were you to write such a value to a "stale" cacheline
(the way the unordered reads came to be), that would seem to lose the
write entirely.

So the things that make alpha able to re-order reads even more
aggressively than other weak architectures do not seem to be relevant
for a subsequent write.  Alpha memory ordering may be strange, but
there's no real indication that it is *that* strange.

Also, the alpha architecture reference manual very explicitly talks
about the definition of "Dependence Constraints" in section 5.6.1.7,
where a preceding read dominates a subsequent write.

Such a dependence constraint admittedly does not impose a BEFORE (alpha
architecture term for globally visible ordering), but it does guarantee
that there can be no "causal loop".  I don't see how you could avoid
such a loop if another cpu could see the stored value and then impact
the value of the first read.  Put another way: the read and the write
could not be seen as being out of order wrt other cpus.

So I do not see how these "x_ctrl()" functions can currently be necessary.

I may have to eat my words at some point, but in the absense of clear
proof that alpha actually needs this, or indeed even an explanation of
how alpha could _possibly_ need it, I do not believe these functions are
called for.

And if it turns out that alpha really _does_ need a barrier for this
case, that barrier still should not be "smp_read_barrier_depends()".
We'd have to make up some new speciality barrier just for alpha, along
with the documentation for why it really is necessary.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul E McKenney <paulmck@us.ibm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-03 17:22:17 -08:00
Linus Torvalds d63a978865 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking changes from Ingo Molnar:
 "The main changes in this cycle were:

   - More gradual enhancements to atomic ops: new atomic*_read_ctrl()
     ops, synchronize atomic_{read,set}() ordering requirements between
     architectures, add atomic_long_t bitops.  (Peter Zijlstra)

   - Add _{relaxed|acquire|release}() variants for inc/dec atomics and
     use them in various locking primitives: mutex, rtmutex, mcs, rwsem.
     This enables weakly ordered architectures (such as arm64) to make
     use of more locking related optimizations.  (Davidlohr Bueso)

   - Implement atomic[64]_{inc,dec}_relaxed() on ARM.  (Will Deacon)

   - Futex kernel data cache footprint micro-optimization.  (Rasmus
     Villemoes)

   - pvqspinlock runtime overhead micro-optimization.  (Waiman Long)

   - misc smaller fixlets"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  ARM, locking/atomics: Implement _relaxed variants of atomic[64]_{inc,dec}
  locking/rwsem: Use acquire/release semantics
  locking/mcs: Use acquire/release semantics
  locking/rtmutex: Use acquire/release semantics
  locking/mutex: Use acquire/release semantics
  locking/asm-generic: Add _{relaxed|acquire|release}() variants for inc/dec atomics
  atomic: Implement atomic_read_ctrl()
  atomic, arch: Audit atomic_{read,set}()
  atomic: Add atomic_long_t bitops
  futex: Force hot variables into a single cache line
  locking/pvqspinlock: Kick the PV CPU unconditionally when _Q_SLOW_VAL
  locking/osq: Relax atomic semantics
  locking/qrwlock: Rename ->lock to ->wait_lock
  locking/Documentation/lockstat: Fix typo - lokcing -> locking
  locking/atomics, cmpxchg: Privatize the inclusion of asm/cmpxchg.h
2015-11-03 16:10:43 -08:00
Linus Torvalds 2814228699 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU changes from Ingo Molnar:
 "The main changes in this cycle were:

   - Improvements to expedited grace periods (Paul E McKenney)

   - Performance improvements to and locktorture tests for percpu-rwsem
     (Oleg Nesterov, Paul E McKenney)

   - Torture-test changes (Paul E McKenney, Davidlohr Bueso)

   - Documentation updates (Paul E McKenney)

   - Miscellaneous fixes (Paul E McKenney, Boqun Feng, Oleg Nesterov,
     Patrick Marlier)"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (54 commits)
  fs/writeback, rcu: Don't use list_entry_rcu() for pointer offsetting in bdi_split_work_to_wbs()
  rcu: Better hotplug handling for synchronize_sched_expedited()
  rcu: Enable stall warnings for synchronize_rcu_expedited()
  rcu: Add tasks to expedited stall-warning messages
  rcu: Add online/offline info to expedited stall warning message
  rcu: Consolidate expedited CPU selection
  rcu: Prepare for consolidating expedited CPU selection
  cpu: Remove try_get_online_cpus()
  rcu: Stop excluding CPU hotplug in synchronize_sched_expedited()
  rcu: Stop silencing lockdep false positive for expedited grace periods
  rcu: Switch synchronize_sched_expedited() to IPI
  locktorture: Fix module unwind when bad torture_type specified
  torture: Forgive non-plural arguments
  rcutorture: Fix unused-function warning for torturing_tasks()
  rcutorture: Fix module unwind when bad torture_type specified
  rcu_sync: Cleanup the CONFIG_PROVE_RCU checks
  locking/percpu-rwsem: Clean up the lockdep annotations in percpu_down_read()
  locking/percpu-rwsem: Fix the comments outdated by rcu_sync
  locking/percpu-rwsem: Make use of the rcu_sync infrastructure
  locking/percpu-rwsem: Make percpu_free_rwsem() after kzalloc() safe
  ...
2015-11-03 15:40:38 -08:00
Linus Torvalds f5a8160c1e Merge branch 'core-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI changes from Ingo Molnar:
 "The main changes in this cycle were:

   - further EFI code generalization to make it more workable for ARM64
   - various extensions, such as 64-bit framebuffer address support,
     UEFI v2.5 EFI_PROPERTIES_TABLE support
   - code modularization simplifications and cleanups
   - new debugging parameters
   - various fixes and smaller additions"

* 'core-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
  efi: Fix warning of int-to-pointer-cast on x86 32-bit builds
  efi: Use correct type for struct efi_memory_map::phys_map
  x86/efi: Fix kernel panic when CONFIG_DEBUG_VIRTUAL is enabled
  efi: Add "efi_fake_mem" boot option
  x86/efi: Rename print_efi_memmap() to efi_print_memmap()
  efi: Auto-load the efi-pstore module
  efi: Introduce EFI_NX_PE_DATA bit and set it from properties table
  efi: Add support for UEFIv2.5 Properties table
  efi: Add EFI_MEMORY_MORE_RELIABLE support to efi_md_typeattr_format()
  efifb: Add support for 64-bit frame buffer addresses
  efi/arm64: Clean up efi_get_fdt_params() interface
  arm64: Use core efi=debug instead of uefi_debug command line parameter
  efi/x86: Move efi=debug option parsing to core
  drivers/firmware: Make efi/esrt.c driver explicitly non-modular
  efi: Use the generic efi.memmap instead of 'memmap'
  acpi/apei: Use appropriate pgprot_t to map GHES memory
  arm64, acpi/apei: Implement arch_apei_get_mem_attributes()
  arm64/mm: Add PROT_DEVICE_nGnRnE and PROT_NORMAL_WT
  acpi, x86: Implement arch_apei_get_mem_attributes()
  efi, x86: Rearrange efi_mem_attributes()
  ...
2015-11-03 15:05:52 -08:00
Linus Torvalds 7eeef2abe8 Merge branch 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull wchan kernel address hiding from Ingo Molnar:
 "This fixes a wchan related information leak in /proc/PID/stat.

  There's a bit of an ABI twist to it: instead of setting the wchan
  field to 0 (which is our usual technique) we set it conditionally to a
  0/1 flag to keep ABI compatibility with older procps versions that
  only fetches /proc/PID/wchan (symbolic names) if the absolute wchan
  address is nonzero"

* 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  fs/proc, core/debug: Don't expose absolute kernel addresses via wchan
2015-11-03 15:04:04 -08:00
Linus Torvalds 6aa2fdb87c Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
 "The irq departement delivers:

   - Rework the irqdomain core infrastructure to accomodate ACPI based
     systems.  This is required to support ARM64 without creating
     artificial device tree nodes.

   - Sanitize the ACPI based ARM GIC initialization by making use of the
     new firmware independent irqdomain core

   - Further improvements to the generic MSI management

   - Generalize the irq migration on CPU hotplug

   - Improvements to the threaded interrupt infrastructure

   - Allow the migration of "chained" low level interrupt handlers

   - Allow optional force masking of interrupts in disable_irq[_nosysnc]

   - Support for two new interrupt chips - Sigh!

   - A larger set of errata fixes for ARM gicv3

   - The usual pile of fixes, updates, improvements and cleanups all
     over the place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits)
  Document that IRQ_NONE should be returned when IRQ not actually handled
  PCI/MSI: Allow the MSI domain to be device-specific
  PCI: Add per-device MSI domain hook
  of/irq: Use the msi-map property to provide device-specific MSI domain
  of/irq: Split of_msi_map_rid to reuse msi-map lookup
  irqchip/gic-v3-its: Parse new version of msi-parent property
  PCI/MSI: Use of_msi_get_domain instead of open-coded "msi-parent" parsing
  of/irq: Use of_msi_get_domain instead of open-coded "msi-parent" parsing
  of/irq: Add support code for multi-parent version of "msi-parent"
  irqchip/gic-v3-its: Add handling of PCI requester id.
  PCI/MSI: Add helper function pci_msi_domain_get_msi_rid().
  of/irq: Add new function of_msi_map_rid()
  Docs: dt: Add PCI MSI map bindings
  irqchip/gic-v2m: Add support for multiple MSI frames
  irqchip/gic-v3: Fix translation of LPIs after conversion to irq_fwspec
  irqchip/mxs: Add Alphascale ASM9260 support
  irqchip/mxs: Prepare driver for hardware with different offsets
  irqchip/mxs: Panic if ioremap or domain creation fails
  irqdomain: Documentation updates
  irqdomain/msi: Use fwnode instead of of_node
  ...
2015-11-03 14:40:01 -08:00
Linus Torvalds 316dde2fe9 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
 "In this ARM merge, we remove more lines than we add.  Changes include:

   - Enable imprecise aborts early, so that bus errors aren't masked
     until later in the boot.  This has the side effect that boot
     loaders which provoke these aborts can cause the kernel to crash
     early in boot, so we install a handler to report this event around
     the site where these are enabled.

   - Remove the buggy but impossible to enable cmpxchg syscall code.

   - Add unwinding annotations to some assembly code.

   - Add support for atomic half-word exchange for ARMv6k+.

   - Reduce ioremap() alignment for SMP/LPAE cases where we don't need
     the large alignment.

   - Addition of an "optimal" 3G configuration for systems with 1G of
     RAM.

   - Increase vmalloc space by 128M.

   - Constify some SMP operations structures, which have never been
     writable.

   - Improve ARMs dma_mmap() support for mapping DMA coherent mappings
     into userspace.

   - Fix to the NMI backtrace code in the IPI case on ARM where the
     failing CPU gets stuck for 10s waiting for its own IPI to be
     delivered.

   - Removal of legacy PM support from the AMBA bus driver.

   - Another fix for the previous fix of vdsomunge"

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (23 commits)
  ARM: 8449/1: fix bug in vdsomunge swab32 macro
  arm: add missing of_node_put
  ARM: 8447/1: catch pending imprecise abort on unmask
  ARM: 8446/1: amba: Remove unused callbacks for legacy system PM
  ARM: 8443/1: Adding support for atomic half word exchange
  ARM: clean up TWD after previous patch
  ARM: 8441/2: twd: Don't set CLOCK_EVT_FEAT_C3STOP unconditionally
  ARM: 8440/1: remove obsolete documentation
  ARM: make highpte an expert option
  ARM: 8433/1: add a VMSPLIT_3G_OPT config option
  ARM: 8439/1: Fix backtrace generation when IPI is masked
  ARM: 8428/1: kgdb: Fix registers on sleeping tasks
  ARM: 8427/1: dma-mapping: add support for offset parameter in dma_mmap()
  ARM: 8426/1: dma-mapping: add missing range check in dma_mmap()
  ARM: remove user cmpxchg syscall
  ARM: 8438/1: Add unwinding to __clear_user_std()
  ARM: 8436/1: hw_breakpoint: remove unnecessary header
  ARM: 8434/2: Revert "7655/1: smp_twd: make twd_local_timer_of_register() no-op for nosmp"
  ARM: 8432/1: move VMALLOC_END from 0xff000000 to 0xff800000
  ARM: 8430/1: use default ioremap alignment for SMP or LPAE
  ...
2015-11-03 13:54:35 -08:00
Linus Torvalds 2c2b8285dc - Support for new MM features in ARCv2 cores (THP, PAE40)
Some generic THP bits are touched - all ACKed by Kirill
 
 - Platform framework updates to prepare for EZChip arrival (still in works)
 
 - ARC Public Mailing list setup finally (linux-snps-arc@lists.infraded.org)
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Merge tag 'arc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC updates from Vineet Gupta:

 - Support for new MM features in ARCv2 cores (THP, PAE40) Some generic
   THP bits are touched - all ACKed by Kirill

 - Platform framework updates to prepare for EZChip arrival (still in works)

 - ARC Public Mailing list setup finally (linux-snps-arc@lists.infraded.org)

* tag 'arc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (42 commits)
  ARC: mm: PAE40 support
  ARC: mm: PAE40: tlbex.S: Explicitify the size of pte_t
  ARC: mm: PAE40: switch to using phys_addr_t for physical addresses
  ARC: mm: HIGHMEM: populate high memory from DT
  ARC: mm: HIGHMEM: kmap API implementation
  ARC: mm: preps ahead of HIGHMEM support #2
  ARC: mm: preps ahead of HIGHMEM support
  ARC: mm: use generic macros _BITUL()/_AC()
  ARC: mm: Improve Duplicate PD Fault handler
  MAINTAINERS: Add public mailing list for ARC
  ARC: Ensure DT mem base is same as what kernel is built with
  ARC: boot: Non Master cpus only need to call EARLY_CPU_SETUP once
  ARCv2: smp: [plat-*]: No need to explicitly call mcip_init_smp()
  ARC: smp: Introduce smp hook @init_irq_cpu called for all cores
  ARC: smp: Rename platform hook @init_smp -> @init_cpu_smp
  ARCv2: smp: [plat-*]: No need to explicitly call mcip_init_early_smp()
  ARC: smp: Introduce smp hook @init_early_smp for Master core
  ARC: remove @init_time, @init_irq platform callbacks
  ARC: smp: irqchip: handle IPI as percpu irq like timer
  ARC: boot: Support Halt-on-reset and Run-on-reset SMP booting modes
  ...
2015-11-03 13:21:09 -08:00
Linus Torvalds e8a2a176dd - Move the out-of-LED-tree led-sead3 driver to the LED subsystem.
- Add 'invert' sysfs attribute to the heartbeat trigger.
 
 - Add Device Tree support to the leds-netxbig driver and add
   related DT nodes to the kirkwood-netxbig.dtsi and kirkwood-net5big.dts
   files. Remove static LED setup from the related board files.
 
 - Remove redundant brightness conversion operation from leds-netxbig.
 
 - Improve leds-bcm6328 driver: improve default-state handling, add more
   init configuration options, print invalid LED instead of warning only
   about maximum LED value.
 
 - Add a shutdown function for setting gpio-leds into off state
   when shutting down.
 
 - Fix DT flash timeout property naming in leds-aat1290.txt.
 
 - Switch to using devm prefixed version of led_classdev_register()
   (leds-cobalt-qube, leds-hp6xx, leds-ot200, leds-ipaq-micro,
    leds-netxbig, leds-locomo, leds-menf21bmc, leds-net48xx,
    leds-wrap).
 
 - Add missing of_node_put (leds-powernv, leds-bcm6358, leds-bcm6328,
   leds-88pm860x).
 
 - Coding style fixes and cleanups: led-class/led-core, leds-ipaq-micro.
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Merge tag 'leds_for_4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:

 - Move the out-of-LED-tree led-sead3 driver to the LED subsystem.

 - Add 'invert' sysfs attribute to the heartbeat trigger.

 - Add Device Tree support to the leds-netxbig driver and add related DT
   nodes to the kirkwood-netxbig.dtsi and kirkwood-net5big.dts files.
   Remove static LED setup from the related board files.

 - Remove redundant brightness conversion operation from leds-netxbig.

 - Improve leds-bcm6328 driver: improve default-state handling, add more
   init configuration options, print invalid LED instead of warning only
   about maximum LED value.

 - Add a shutdown function for setting gpio-leds into off state when
   shutting down.

 - Fix DT flash timeout property naming in leds-aat1290.txt.

 - Switch to using devm prefixed version of led_classdev_register()
   (leds-cobalt-qube, leds-hp6xx, leds-ot200, leds-ipaq-micro,
   leds-netxbig, leds-locomo, leds-menf21bmc, leds-net48xx, leds-wrap).

 - Add missing of_node_put (leds-powernv, leds-bcm6358, leds-bcm6328,
   leds-88pm860x).

 - Coding style fixes and cleanups: led-class/led-core, leds-ipaq-micro.

* tag 'leds_for_4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: (27 commits)
  leds: 88pm860x: add missing of_node_put
  leds: bcm6328: add missing of_node_put
  leds: bcm6358: add missing of_node_put
  powerpc/powernv: add missing of_node_put
  leds: leds-wrap.c: Use devm_led_classdev_register
  leds: aat1290: Fix property naming of flash-timeout-us
  leds: leds-net48xx: Use devm_led_classdev_register
  leds: leds-menf21bmc.c: Use devm_led_class_register
  leds: leds-locomo.c: Use devm_led_classdev_register
  leds: leds-gpio: add shutdown function
  Documentation: leds: update DT bindings for leds-bcm6328
  leds-bcm6328: add more init configuration options
  leds-bcm6328: simplify and improve default-state handling
  leds-bcm6328: print invalid LED
  leds: netxbig: set led_classdev max_brightness
  leds: netxbig: convert to use the devm_ functions
  ARM: mvebu: remove static LED setup for netxbig boards
  ARM: Kirkwood: add LED DT entries for netxbig boards
  leds: netxbig: add device tree binding
  leds: triggers: add invert to heartbeat
  ...
2015-11-03 12:20:29 -08:00
Ingi Kim 10238adb6f leds: aat1290: Fix property naming of flash-timeout-us
flash-timeout-us property name is changed to flash-max-timeout-us.
This patch fixes that name.

Signed-off-by: Ingi Kim <ingi2.kim@samsung.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2015-11-03 08:59:56 +01:00
Álvaro Fernández Rojas 1d3ff22d63 Documentation: leds: update DT bindings for leds-bcm6328
This patch adds latest DT bindings for leds-bcm6328 init register
configuration.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2015-11-03 08:59:46 +01:00
Simon Guinot 2976b17989 leds: netxbig: add device tree binding
This patch adds device tree support for the netxbig LEDs.

This also introduces a additionnal DT binding for the GPIO extension bus
(netxbig-gpio-ext) used to configure the LEDs. Since this bus could also
be used to control other devices, then it seems more suitable to have it
in a separate DT binding.

Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2015-11-03 08:59:25 +01:00
Linus Torvalds e86328c489 This is the bulk of GPIO changes for v4.4:
GPIO core:
 - Define and handle flags for open drain/open collector
   and open source/open emitter, also know as "single-ended"
   configurations.
 - Generic request/free operations that handle calling out
   to the (optional) pin control backend.
 - Some refactoring related to an ABI change that did not
   happen, yet provide useful.
 - Added a real-time compliance checklist. Many GPIO chips
   have irqchips, and need to think this over with the RT
   patches going upstream.
 - Restructure, fix and clean up Kconfig menus a bit.
 
 New drivers:
 - New driver for AMD Promony.
 - New driver for ACCES 104-IDIO-16, a port-mapped I/O
   card, ISA-style. Very retro.
 
 Subdriver changes:
 - OMAP changes to handle real time requirements.
 - Handle trigger types for edge and level IRQs on PL061
   properly. As this hardware is very common it needs to
   set a proper example for others to follow.
 - Some container_of() cleanups.
 - Delete the unused MSM driver in favor of the driver that
   is embedded inside the pin control driver.
 - Cleanup of the ath79 GPIO driver used by many, many
   OpenWRT router targets.
 - A consolidated IT87xx driver replacing the earlier
   very specific IT8761e driver.
 - Handle the TI TCA9539 in the PCA953x driver. Also
   handle ACPI devices in this subdriver.
 - Drop xilinx arch dependencies as these FPGAs seem to
   profilate over a few different architectures. MIPS and
   ARM come to mind.
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Merge tag 'gpio-v4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "Here is the bulk of GPIO changes for the v4.4 development cycle.

  The only changes hitting outside drivers/gpio are in the pin control
  subsystem and these seem to have settled nicely in linux-next.

  Development mistakes and catfights are nicely documented in the
  reverts as you can see.  The outcome of the ABI fight is that we're
  working on a chardev ABI for GPIO now, where hope to show results for
  the v4.5 kernel.

  Summary of changes:

  GPIO core:
   - Define and handle flags for open drain/open collector and open
     source/open emitter, also know as "single-ended" configurations.
   - Generic request/free operations that handle calling out to the
     (optional) pin control backend.
   - Some refactoring related to an ABI change that did not happen, yet
     provide useful.
   - Added a real-time compliance checklist.  Many GPIO chips have
     irqchips, and need to think this over with the RT patches going
     upstream.
   - Restructure, fix and clean up Kconfig menus a bit.

  New drivers:
   - New driver for AMD Promony.
   - New driver for ACCES 104-IDIO-16, a port-mapped I/O card,
     ISA-style.  Very retro.

  Subdriver changes:
   - OMAP changes to handle real time requirements.
   - Handle trigger types for edge and level IRQs on PL061 properly.  As
     this hardware is very common it needs to set a proper example for
     others to follow.
   - Some container_of() cleanups.
   - Delete the unused MSM driver in favor of the driver that is
     embedded inside the pin control driver.
   - Cleanup of the ath79 GPIO driver used by many, many OpenWRT router
     targets.
   - A consolidated IT87xx driver replacing the earlier very specific
     IT8761e driver.
   - Handle the TI TCA9539 in the PCA953x driver.  Also handle ACPI
     devices in this subdriver.
   - Drop xilinx arch dependencies as these FPGAs seem to profilate over
     a few different architectures.  MIPS and ARM come to mind"

* tag 'gpio-v4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (57 commits)
  gpio: fix up SPI submenu
  gpio: drop surplus I2C dependencies
  gpio: drop surplus X86 dependencies
  gpio: dt-bindings: document the official use of "ngpios"
  gpio: MAINTAINERS: Add an entry for the ATH79 GPIO driver
  gpio / ACPI: Allow shared GPIO event to be read via operation region
  gpio: group port-mapped I/O drivers in a menu
  gpio: Add ACCES 104-IDIO-16 driver maintainer entry
  gpio: zynq: Document interrupt-controller DT binding
  gpio: xilinx: Drop architecture dependencies
  gpio: generic: Revert to old error handling in bgpio_map
  gpio: add a real time compliance notes
  Revert "gpio: add a real time compliance checklist"
  gpio: Add GPIO support for the ACCES 104-IDIO-16
  gpio: driver for AMD Promontory
  gpio: xlp: Convert to use gpiolib irqchip helpers
  gpio: add a real time compliance checklist
  gpio/xilinx: enable for MIPS
  gpiolib: Add and use OF_GPIO_SINGLE_ENDED flag
  gpiolib: Split GPIO flags parsing and GPIO configuration
  ...
2015-11-02 12:59:12 -08:00
Linus Torvalds bc9d8c20ff This is the big bulk of pin control changes for the
v4.4 kernel development cycle:
 
 Infrastructure:
 - Doug Anderson wrote a patch adding an "init" state
   different from the "default" state for pin control
   state handling in the core framework. This is applied
   before the driver's probe() call if defined and takes
   precedence over "default". If both are defined, "init"
   will be applied *before* probe() and "default" will be
   applied *after* probe().
 
 Significant subdriver improvements:
 - SH PFC is switched to getting GPIO ranges from the
   device tree ranges property on DT platforms.
 - Got rid of CONFIG_ARCH_SHMOBILE_LEGACY, we are all
   modernized.
 - Got rid of SH PFC hardcoded IRQ numbers.
 - Allwinner sunxi external interrupt through the "r"
   controller.
 - Moved the Cygnus driver to use DT-provided GPIO
   ranges.
 
 New drivers:
 - Atmel PIO4 pin controller for the SAMA4D2 family
 
 New subdrivers:
 - Rockchip RK3036 subdriver
 - Renesas SH PFC R8A7795 subdriver
 - Allwinner sunxi A83T PIO subdriver
 - Freescale i.MX7d iomux lpsr subdriver
 - Marvell Berlin BG4CT subdriver
 - SiRF Atlas 7 step B SoC subdriver
 - Intel Broxton SoC subdriver
 
 Apart from this, the usual slew if syntactic and semantic
 fixes.
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Merge tag 'pinctrl-v4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the big bulk of pin control changes for the v4.4 kernel
  development cycle.  Development pace is high in pin control again this
  merge window.  28 contributors, 83 patches.

  It hits a few sites outside the pin control subsystem:

   - Device tree bindings in Documentation (as usual)
   - MAINTAINERS
   - drivers/base/* for the "init" state handling by Doug Anderson.
     This has been ACKed by Greg.
   - drivers/usb/renesas_usbhs/rcar2.c, for a dependent Renesas change
     in the USB subsystem.  This has been ACKed by both Greg and Felipe.
   - arch/arm/boot/dts/sama5d2.dtsi - this should ideally have gone
     through the ARM SoC tree but ended up here.

  This time I am using Geert Uytterhoeven as submaintainer for SH PFC
  since the are three-four people working in parallel with new Renesas
  ASICs.

  Summary of changes:

  Infrastructure:

   - Doug Anderson wrote a patch adding an "init" state different from
     the "default" state for pin control state handling in the core
     framework.  This is applied before the driver's probe() call if
     defined and takes precedence over "default".  If both are defined,
     "init" will be applied *before* probe() and "default" will be
     applied *after* probe().

  Significant subdriver improvements:

   - SH PFC is switched to getting GPIO ranges from the device tree
     ranges property on DT platforms.
   - Got rid of CONFIG_ARCH_SHMOBILE_LEGACY, we are all modernized.
   - Got rid of SH PFC hardcoded IRQ numbers.
   - Allwinner sunxi external interrupt through the "r" controller.
   - Moved the Cygnus driver to use DT-provided GPIO ranges.

  New drivers:

   - Atmel PIO4 pin controller for the SAMA4D2 family

  New subdrivers:

   - Rockchip RK3036 subdriver
   - Renesas SH PFC R8A7795 subdriver
   - Allwinner sunxi A83T PIO subdriver
   - Freescale i.MX7d iomux lpsr subdriver
   - Marvell Berlin BG4CT subdriver
   - SiRF Atlas 7 step B SoC subdriver
   - Intel Broxton SoC subdriver

  Apart from this, the usual slew if syntactic and semantic fixes"

* tag 'pinctrl-v4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (81 commits)
  pinctrl: pinconf: remove needless loop
  pinctrl: uniphier: guard uniphier directory with CONFIG_PINCTRL_UNIPHIER
  pinctrl: zynq: fix UTF-8 errors
  pinctrl: zynq: Initialize early
  pinctrl: at91: add missing of_node_put
  pinctrl: tegra-xusb: Correct lane mux options
  pinctrl: intel: Add Intel Broxton pin controller support
  pinctrl: intel: Allow requesting pins which are in ACPI mode as GPIOs
  pinctrl: intel: Add support for multiple GPIO chips sharing the interrupt
  drivers/pinctrl: Add the concept of an "init" state
  pinctrl: uniphier: set input-enable before pin-muxing
  pinctrl: cygnus: Add new compatible string for gpio controller driver
  pinctrl: cygnus: Remove GPIO to Pinctrl pin mapping from driver
  pinctrl: cygnus: Optional DT property to support pin mappings
  pinctrl: sunxi: Add irq pinmuxing to sun6i "r" pincontroller
  pinctrl: sunxi: Fix irq_of_xlate for the r_pio pinctrl block
  pinctrl: sh-pfc: Remove obsolete r8a7778 platform_device_id entry
  pinctrl: sh-pfc: Remove obsolete r8a7779 platform_device_id entry
  pinctrl: sh-pfc: Stop including <linux/platform_data/gpio-rcar.h>
  usb: renesas_usbhs: Remove unneeded #include <linux/platform_data/gpio-rcar.h>
  ...
2015-11-02 12:30:39 -08:00
Linus Torvalds 9ff3ca58b0 * Convert EDAC to debugfs wrappers and make drivers use those. (Borislav Petkov)
* L3 and SoC support for xgene_edac. (Loc Ho)
 
 * AMD F15h, models 0x60-6f support to amd64_edac. (Aravind Gopalakrishnan)
 
 * Fixes and cleanups all over the place.
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Merge tag 'edac_for_4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC updates from Borislav Petkov:
 "A bunch of fixes all over the place and some hw enablement this time.

   - Convert EDAC to debugfs wrappers and make drivers use those
     (Borislav Petkov)

   - L3 and SoC support for xgene_edac (Loc Ho)

   - AMD F15h, models 0x60-6f support to amd64_edac (Aravind
     Gopalakrishnan)

   - Fixes and cleanups all over the place"

* tag 'edac_for_4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (22 commits)
  EDAC: Fix PAGES_TO_MiB macro misuse
  EDAC, altera: SoCFPGA EDAC should not look for ECC_CORR_EN
  EDAC: Use edac_debugfs_remove_recursive()
  EDAC, ppc4xx_edac: Fix module autoload for OF platform driver
  Documentation/EDAC: Add reference documents section for amd64_edac
  EDAC, amd64_edac: Update copyright and remove changelog
  EDAC, amd64_edac: Extend scrub rate support to F15hM60h
  EDAC: Don't allow empty DIMM labels
  EDAC: Fix sysfs dimm_label store operation
  EDAC: Fix sysfs dimm_label show operation
  arm64, EDAC: Add L3/SoC DT subnodes to the APM X-Gene SoC EDAC node
  EDAC, xgene: Add SoC support
  EDAC, xgene: Fix possible sprintf() overflow issue
  EDAC, xgene: Add L3 support
  EDAC, Documentation: Update X-Gene EDAC binding for L3/SoC subnodes
  EDAC, sb_edac: Fix TAD presence check for sbridge_mci_bind_devs()
  EDAC, ghes_edac: Remove redundant memory_type array
  EDAC, xgene: Convert to debugfs wrappers
  EDAC, i5100: Convert to debugfs wrappers
  EDAC, altera: Convert to debugfs wrappers
  ...
2015-11-02 12:14:50 -08:00
Linus Torvalds 17a1359034 MMC core:
- Add new API to set VCCQ voltage - mmc_regulator_set_vqmmc()
  - Add new ioctl to allow userspace to send multi commands
  - Wait for card busy signalling before starting SDIO requests
  - Remove MMC_CLKGATE
  - Enable tuning for DDR50 mode
  - Some code clean-up/improvements to mmc pwrseq
  - Use highest priority for eMMC restart handler
  - Add DT bindings for eMMC hardware reset support
  - Extend the mmc_send_tuning() API
  - Improve ios show for debugfs
  - A couple of code optimizations
 
 MMC host:
  - Some generic OF improvements
  - Various code clean-ups
  - sirf: Add support for DDR50
  - sunxi: Add support for card busy detection
  - mediatek: Use MMC_CAP_RUNTIME_RESUME
  - mediatek: Add support for eMMC HW-reset
  - mediatek: Add support for HS400
  - dw_mmc: Convert to use the new mmc_regulator_set_vqmmc() API
  - dw_mmc: Add external DMA interface support
  - dw_mmc: Some various improvements
  - dw_mmc-rockchip: MMC tuning with the clock phase framework
  - sdhci: Properly clear IRQs during resume
  - sdhci: Enable tuning for DDR50 mode
  - sdhci-of-esdhc: Use IRQ mode for card detection
  - sdhci-of-esdhc: Support both BE and LE host controller
  - sdhci-pci: Build o2micro support in the same module
  - sdhci-pci: Support for new Intel host controllers
  - sdhci-acpi: Support for new Intel host controllers
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Merge tag 'mmc-v4.4' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Add new API to set VCCQ voltage - mmc_regulator_set_vqmmc()
   - Add new ioctl to allow userspace to send multi commands
   - Wait for card busy signalling before starting SDIO requests
   - Remove MMC_CLKGATE
   - Enable tuning for DDR50 mode
   - Some code clean-up/improvements to mmc pwrseq
   - Use highest priority for eMMC restart handler
   - Add DT bindings for eMMC hardware reset support
   - Extend the mmc_send_tuning() API
   - Improve ios show for debugfs
   - A couple of code optimizations

  MMC host:
   - Some generic OF improvements
   - Various code clean-ups
   - sirf: Add support for DDR50
   - sunxi: Add support for card busy detection
   - mediatek: Use MMC_CAP_RUNTIME_RESUME
   - mediatek: Add support for eMMC HW-reset
   - mediatek: Add support for HS400
   - dw_mmc: Convert to use the new mmc_regulator_set_vqmmc() API
   - dw_mmc: Add external DMA interface support
   - dw_mmc: Some various improvements
   - dw_mmc-rockchip: MMC tuning with the clock phase framework
   - sdhci: Properly clear IRQs during resume
   - sdhci: Enable tuning for DDR50 mode
   - sdhci-of-esdhc: Use IRQ mode for card detection
   - sdhci-of-esdhc: Support both BE and LE host controller
   - sdhci-pci: Build o2micro support in the same module
   - sdhci-pci: Support for new Intel host controllers
   - sdhci-acpi: Support for new Intel host controllers"

* tag 'mmc-v4.4' of git://git.linaro.org/people/ulf.hansson/mmc: (73 commits)
  mmc: dw_mmc: fix the wrong setting for UHS-DDR50 mode
  mmc: dw_mmc: fix the CardThreshold boundary at CardThrCtl register
  mmc: dw_mmc: NULL dereference in error message
  mmc: pwrseq: Use highest priority for eMMC restart handler
  mmc: mediatek: add HS400 support
  mmc: mmc: extend the mmc_send_tuning()
  mmc: mediatek: add implement of ops->hw_reset()
  mmc: mediatek: fix got GPD checksum error interrupt when data transfer
  mmc: mediatek: change the argument "ddr" to "timing"
  mmc: mediatek: make cmd_ints_mask to const
  mmc: dt-bindings: update Mediatek MMC bindings
  mmc: core: Add DT bindings for eMMC hardware reset support
  mmc: omap_hsmmc: Enable omap_hsmmc for Keystone 2
  mmc: sdhci-acpi: Add more ACPI HIDs for Intel controllers
  mmc: sdhci-pci: Add more PCI IDs for Intel controllers
  arm: lpc18xx_defconfig: remove CONFIG_MMC_DW_IDMAC
  arm: hisi_defconfig: remove CONFIG_MMC_DW_IDMAC
  arm: exynos_defconfig: remove CONFIG_MMC_DW_IDMAC
  arc: axs10x_defconfig: remove CONFIG_MMC_DW_IDMAC
  mips: pistachio_defconfig: remove CONFIG_MMC_DW_IDMAC
  ...
2015-11-02 11:40:22 -08:00
Linus Torvalds 66b0199678 hwmon updates for v4.4
New driver for MAX31790, added support for TMP75C, as well as cleanups
 and minor improvements in various drivers.
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Merge tag 'hwmon-for-linus-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New driver for MAX31790, added support for TMP75C, as well as cleanups
  and minor improvements in various drivers"

* tag 'hwmon-for-linus-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (fam15h_power) Add max compute unit accumulated power
  hwmon: (fam15h_power) Enable power1_input on AMD Carrizo
  hwmon: (fam15h_power) Refactor attributes for dynamically added
  hwmon: (ina2xx) remove no longer used variable 'kind'
  hwmon: (nct6775) Introduce separate temperature labels for NCT6792 and NCT6793
  hwmon: (nct6775) NCT6791D and NCT6792D have an additional temperature source
  hwmon: (ina2xx) give precedence to DT over checking for platform data.
  hwmon: (ina2xx) convert driver to using regmap
  hwmon: (coretemp) Increase limit of maximum core ID from 32 to 128.
  hwmon: (lm75) Add support for TMP75C
  hwmon: (ibmpowernv) Add OF compatibility table entry
  hwmon: (abx500) drop the use of IRQF_NO_SUSPEND
  hwmon: (max31790) Fix dereference of ERR_PTR
  hwmon: Driver for Maxim MAX31790
2015-11-02 11:32:24 -08:00
David S. Miller b75ec3af27 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-11-01 00:15:30 -04:00
Linus Walleij aacaffd1d9 gpio: dt-bindings: document the official use of "ngpios"
There are a bunch of drivers that utilize the "ngpios" DT property
without any vendor prefix. Try to start cleaning up the mess by
defining what we mean by this property.

Cc: devicetree@vger.kernel.org
Cc: Pramod Kumar <pramodku@broadcom.com>
Cc: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-31 22:12:32 +01:00
Linus Torvalds c94eee8a3b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix two regressions in ipv6 route lookups, particularly wrt output
    interface specifications in the lookup key.  From David Ahern.

 2) Fix checks in ipv6 IPSEC tunnel pre-encap fragmentation, from
    Herbert Xu.

 3) Fix mis-advertisement of 1000BASE-T on bcm63xx_enet, from Simon
    Arlott.

 4) Some smsc phys misbehave with energy detect mode enabled, so add a
    DT property and disable it on such switches.  From Heiko Schocher.

 5) Fix TSO corruption on TX in mv643xx_eth, from Philipp Kirchhofer.

 6) Fix regression added by removal of openvswitch vport stats, from
    James Morse.

 7) Vendor Kconfig options should be bool, not tristate, from Andreas
    Schwab.

 8) Use non-_BH() net stats bump in tcp_xmit_probe_skb(), otherwise we
    barf during TCP REPAIR operations.

 9) Fix various bugs in openvswitch conntrack support, from Joe
    Stringer.

10) Fix NETLINK_LIST_MEMBERSHIPS locking, from David Herrmann.

11) Don't have VSOCK do sock_put() in interrupt context, from Jorgen
    Hansen.

12) Fix skb_realloc_headroom() failures properly in ISDN, from Karsten
    Keil.

13) Add some device IDs to qmi_wwan, from Bjorn Mork.

14) Fix ovs egress tunnel information when using lwtunnel devices, from
    Pravin B Shelar.

15) Add missing NETIF_F_FRAGLIST to macvtab feature list, from Jason
    Wang.

16) Fix incorrect handling of throw routes when the result of the throw
    cannot find a match, from Xin Long.

17) Protect ipv6 MTU calculations from wrap-around, from Hannes Frederic
    Sowa.

18) Fix failed autonegotiation on KSZ9031 micrel PHYs, from Nathan
    Sullivan.

19) Add missing memory barries in descriptor accesses or xgbe driver,
    from Thomas Lendacky.

20) Fix release conditon test in pppoe_release(), from Guillaume Nault.

21) Fix gianfar bugs wrt filter configuration, from Claudiu Manoil.

22) Fix violations of RX buffer alignment in sh_eth driver, from Sergei
    Shtylyov.

23) Fixing missing of_node_put() calls in various places around the
    networking, from Julia Lawall.

24) Fix incorrect leaf now walking in ipv4 routing tree, from Alexander
    Duyck.

25) RDS doesn't check pskb_pull()/pskb_trim() return values, from
    Sowmini Varadhan.

26) Fix VLAN configuration in mlx4 driver, from Jack Morgenstein.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (79 commits)
  ipv6: protect mtu calculation of wrap-around and infinite loop by rounding issues
  Revert "Merge branch 'ipv6-overflow-arith'"
  net/mlx4: Copy/set only sizeof struct mlx4_eqe bytes
  net/mlx4_en: Explicitly set no vlan tags in WQE ctrl segment when no vlan is present
  vhost: fix performance on LE hosts
  bpf: sample: define aarch64 specific registers
  amd-xgbe: Fix race between access of desc and desc index
  RDS-TCP: Recover correctly from pskb_pull()/pksb_trim() failure in rds_tcp_data_recv
  forcedeth: fix unilateral interrupt disabling in netpoll path
  openvswitch: Fix skb leak using IPv6 defrag
  ipv6: Export nf_ct_frag6_consume_orig()
  openvswitch: Fix double-free on ip_defrag() errors
  fib_trie: leaf_walk_rcu should not compute key if key is less than pn->key
  net: mv643xx_eth: add missing of_node_put
  ath6kl: add missing of_node_put
  net: phy: mdio: add missing of_node_put
  netdev/phy: add missing of_node_put
  net: netcp: add missing of_node_put
  net: thunderx: add missing of_node_put
  ipv6: gre: support SIT encapsulation
  ...
2015-10-31 11:52:20 -07:00
David S. Miller e7b63ff115 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:

====================
pull request (net-next): ipsec-next 2015-10-30

1) The flow cache is limited by the flow cache limit which
   depends on the number of cpus and the xfrm garbage collector
   threshold which is independent of the number of cpus. This
   leads to the fact that on systems with more than 16 cpus
   we hit the xfrm garbage collector limit and refuse new
   allocations, so new flows are dropped. On systems with 16
   or less cpus, we hit the flowcache limit. In this case, we
   shrink the flow cache instead of refusing new flows.

   We increase the xfrm garbage collector threshold to INT_MAX
   to get the same behaviour, independent of the number of cpus.

2) Fix some unaligned accesses on sparc systems.
   From Sowmini Varadhan.

3) Fix some header checks in _decode_session4. We may call
   pskb_may_pull with a negative value converted to unsigened
   int from pskb_may_pull. This can lead to incorrect policy
   lookups. We fix this by a check of the data pointer position
   before we call pskb_may_pull.

4) Reload skb header pointers after calling pskb_may_pull
   in _decode_session4 as this may change the pointers into
   the packet.

5) Add a missing statistic counter on inner mode errors.

Please pull or let me know if there are problems.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-30 20:51:56 +09:00
David S. Miller 740215ddb5 NFC 4.4 pull request
This is the NFC pull request for 4.4.
 
 It's a bit bigger than usual, the 3 main culprits being:
 
 - A new driver for Intel's Fields Peak NCI chipset. In order to
   support this chipset we had to export a few NCI routines and
   extend the driver NCI ops to not only support proprietary
   commands but also core ones.
 
 - Support for vendor commands for both STM drivers, st-nci
   and st21nfca. Those vendor commands allow to run factory tests
   through the NFC netlink interface.
 
 - New i2c and SPI support for the Marvell driver, together with
   firmware download support for this driver's core.
 
 Besides that we also have:
 
 - A few file renames in the STM drivers, to keep the naming
   consistent between drivers.
 
 - Some improvements and fixes on the NCI HCI layer, mostly to
   properly reach a secure element over a legacy HCI link.
 
 - A few fixes for the s3fwrn5 and trf7970a drivers.
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Merge tag 'nfc-next-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next

Samuel Ortiz says:

====================
NFC 4.4 pull request

This is the NFC pull request for 4.4.

It's a bit bigger than usual, the 3 main culprits being:

- A new driver for Intel's Fields Peak NCI chipset. In order to
  support this chipset we had to export a few NCI routines and
  extend the driver NCI ops to not only support proprietary
  commands but also core ones.

- Support for vendor commands for both STM drivers, st-nci
  and st21nfca. Those vendor commands allow to run factory tests
  through the NFC netlink interface.

- New i2c and SPI support for the Marvell driver, together with
  firmware download support for this driver's core.

Besides that we also have:

- A few file renames in the STM drivers, to keep the naming
  consistent between drivers.

- Some improvements and fixes on the NCI HCI layer, mostly to
  properly reach a secure element over a legacy HCI link.

- A few fixes for the s3fwrn5 and trf7970a drivers.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-30 20:19:43 +09:00
Ido Schimmel 371e59adce switchdev: Make flood to CPU optional
In certain use cases it is not always desirable for the switch device to
flood traffic to CPU port. Instead, only certain packet types (e.g.
STP, LACP) should be trapped to it.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-30 12:26:40 +09:00
Ido Schimmel 741af0053b switchdev: Add support for flood control
Allow devices supporting this feature to control the flooding of unknown
unicast traffic, by making switchdev infrastructure propagate this setting
to the switch driver.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-30 12:26:38 +09:00
Iyappan Subramanian 6ccbe6b248 Documentation: dts: xgene: Add TX/RX delay field
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-30 12:21:52 +09:00
Russell King 116ef0fcc9 Merge branches 'fixes' and 'misc' into for-next 2015-10-29 15:21:30 +00:00
Ingo Molnar e4340bbb07 Merge branch 'linus' into core/rcu, to fix up a semantic conflict
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-10-28 13:17:20 +01:00
yankejian 6d08f61787 net: hisilicon: updates HNS config and documents
updates the bindings documents and dtsi file according to the review
comments[https://lkml.org/lkml/2015/9/21/670] from Rob Herring <robh@kernel.org>

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: yankejian <yankejian@huawei.com>
Signed-off-by: huangdaode <huangdaode@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-27 20:20:24 -07:00
Soren Brinkmann 787dfbb294 gpio: zynq: Document interrupt-controller DT binding
HW and driver support the GPIO as interrupt-controller.
Document that in the DT binding.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-27 17:01:28 +01:00
Grygorii Strashko c307b00254 gpio: add a real time compliance notes
Put in a compliance checklist.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-27 11:13:42 +01:00
Linus Walleij 4aa50b87f1 Revert "gpio: add a real time compliance checklist"
This reverts commit 677b2ff4af.
2015-10-27 11:13:18 +01:00
Pramod Kumar e0548004d4 pinctrl: cygnus: Add new compatible string for gpio controller driver
This new compatible string, "brcm,iproc-gpio", should be used for
all new iproc-based future SoCs.

Signed-off-by: Pramod Kumar <pramodku@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-27 10:48:15 +01:00
Pramod Kumar 03e09bc185 pinctrl: cygnus: Optional DT property to support pin mappings
If GPIO controller's pins are muxed, pin-controller subsystem
need to be intimated by defining mapping between gpio and
pinmux controller. This patch adds required properties to
define this mapping via DT.

Signed-off-by: Pramod Kumar <pramodku@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-27 10:43:14 +01:00
Chaotian Jing 2c21d26825 mmc: dt-bindings: update Mediatek MMC bindings
Add 400Mhz clock source for HS400 mode

Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-10-27 10:21:15 +01:00
Chaotian Jing 794f15782d mmc: core: Add DT bindings for eMMC hardware reset support
Sometime only need set MMC_CAP_HW_RESET for one of MMC hosts,
So set it in device tree is better.

Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-10-27 10:21:15 +01:00
Vincent Cuissard d8e018c0b3 NFC: nfcmrvl: update device tree bindings for Marvell NFC
Align NFC bindgins to use marvell instead of mrvl.

Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-10-27 04:24:54 +01:00
Vincent Cuissard caf6e49bf6 NFC: nfcmrvl: add spi driver
This driver adds the support of SPI-based Marvell NFC controller.

Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-10-27 04:24:35 +01:00
Vincent Cuissard b5b3e23e4c NFC: nfcmrvl: add i2c driver
This driver adds the support of I2C-based Marvell NFC controller.

Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-10-27 04:21:14 +01:00
Christophe Ricard 3648dc6d27 NFC: st-nci: Add ese-present/uicc-present dts properties
In order to align with st21nfca, dts configuration properties
ese_present and uicc_present are made available in st-nci driver.

So far, in early development firmware, because
nci_nfcee_mode_set(DISABLE) was not supported we had to try to
enable it during the secure element discovery phase.

After several trials on commercial and qualified firmware it appears
that nci_nfcee_mode_set(ENABLE) and nci_nfcee_mode_set(DISABLE) are
properly supported.

Such feature also help us to eventually save some time (~5ms) when
only one secure element is connected.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-10-27 03:55:10 +01:00
Shawn Lin 87ffa7d30d Documentation: synopsys-dw-mshc: add bindings for idmac and edmac
synopsys-dw-mshc supports three types of transfer mode. We add
bindings and description for how to use them at runtime.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-10-26 16:00:16 +01:00
Sergei Shtylyov a599579ee8 DT: mmc: sh_mmcif: document R8A7794 support
Renesas R8A7794 SoC also has the MMCIF controller.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-10-26 16:00:15 +01:00
Sergei Shtylyov 76d63c2b59 DT: mmc: sh_mmcif: fix "compatible" property text
The "compatible" property text contradicts even the example given in the MMCIF
binding document itself;  moreover, the Renesas MMCIF driver only matches  on
the generic "compatible" string and doesn't look for the SoC specific strings
at all. Thus describe "renesas,sh-mmcif" as a fallback value.

Fixes: b4c27763d7 ("mmc: sh_mmcif: Document DT bindings")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-10-26 16:00:14 +01:00
Alexandru M Stan f8085bbada mmc: dw_mmc-rockchip: dt-binding: Add tuning related things
Add ciu_drive, ciu_sample clocks and default-sample-phase. This will later
be used by tuning code.

We do not touch ciu_drive (and by extension define default-drive-phase).
Drive phase is mostly used to define minimum hold times, while one could
write some code to determine what phase meets the minimum hold time
(ex 10 degrees) this will not work with the current clock phase framework
(which floors angles, so we'll get 0 deg, and there's no way to know what
resolution the floors happen at). We assume that the default drive angles
set by the hardware are good enough.

Signed-off-by: Alexandru M Stan <amstan@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-10-26 16:00:11 +01:00
Ulf Hansson 9eadcc0581 mmc: core: Remove MMC_CLKGATE
MMC_CLKGATE was once invented to save power by gating the bus clock at
request inactivity. At that time it served its purpose. The modern way to
deal with power saving for these scenarios, is by using runtime PM.

Nowadays, several host drivers have deployed runtime PM, but for those
that haven't and which still cares power saving at request inactivity,
it's certainly time to deploy runtime PM as it has been around for several
years now.

To simplify code to mmc core and thus decrease maintenance efforts, this
patch removes all code related to MMC_CLKGATE.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-26 16:00:09 +01:00
yangbo lu e38eeca5c2 mmc: dt: add DT binding for little-endian eSDHC host controller
Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-10-26 16:00:07 +01:00
David S. Miller ba3e2084f2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	net/ipv6/xfrm6_output.c
	net/openvswitch/flow_netlink.c
	net/openvswitch/vport-gre.c
	net/openvswitch/vport-vxlan.c
	net/openvswitch/vport.c
	net/openvswitch/vport.h

The openvswitch conflicts were overlapping changes.  One was
the egress tunnel info fix in 'net' and the other was the
vport ->send() op simplification in 'net-next'.

The xfrm6_output.c conflicts was also a simplification
overlapping a bug fix.

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-24 06:54:12 -07:00
David S. Miller e9829b9745 Here's another set of patches for the current cycle:
* I merged net-next back to avoid a conflict with the
  * cfg80211 scheduled scan API extensions
  * preparations for better scan result timestamping
  * regulatory cleanups
  * mac80211 statistics cleanups
  * a few other small cleanups and fixes
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Merge tag 'mac80211-next-for-davem-2015-10-21' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
Here's another set of patches for the current cycle:
 * I merged net-next back to avoid a conflict with the
 * cfg80211 scheduled scan API extensions
 * preparations for better scan result timestamping
 * regulatory cleanups
 * mac80211 statistics cleanups
 * a few other small cleanups and fixes
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-22 07:28:41 -07:00
Yuchung Cheng 4f41b1c58a tcp: use RACK to detect losses
This patch implements the second half of RACK that uses the the most
recent transmit time among all delivered packets to detect losses.

tcp_rack_mark_lost() is called upon receiving a dubious ACK.
It then checks if an not-yet-sacked packet was sent at least
"reo_wnd" prior to the sent time of the most recently delivered.
If so the packet is deemed lost.

The "reo_wnd" reordering window starts with 1msec for fast loss
detection and changes to min-RTT/4 when reordering is observed.
We found 1msec accommodates well on tiny degree of reordering
(<3 pkts) on faster links. We use min-RTT instead of SRTT because
reordering is more of a path property but SRTT can be inflated by
self-inflicated congestion. The factor of 4 is borrowed from the
delayed early retransmit and seems to work reasonably well.

Since RACK is still experimental, it is now used as a supplemental
loss detection on top of existing algorithms. It is only effective
after the fast recovery starts or after the timeout occurs. The
fast recovery is still triggered by FACK and/or dupack threshold
instead of RACK.

We introduce a new sysctl net.ipv4.tcp_recovery for future
experiments of loss recoveries. For now RACK can be disabled by
setting it to 0.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-21 07:00:53 -07:00