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Linus Torvalds 1b6115fbe3 pci-v4.15-changes
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Merge tag 'pci-v4.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

  - detach driver before tearing down procfs/sysfs (Alex Williamson)

  - disable PCIe services during shutdown (Sinan Kaya)

  - fix ASPM oops on systems with no Root Ports (Ard Biesheuvel)

  - fix ASPM LTR_L1.2_THRESHOLD programming (Bjorn Helgaas)

  - fix ASPM Common_Mode_Restore_Time computation (Bjorn Helgaas)

  - fix portdrv MSI/MSI-X vector allocation (Dongdong Liu, Bjorn
    Helgaas)

  - report non-fatal AER errors only to the affected endpoint (Gabriele
    Paoloni)

  - distribute bus numbers, MMIO, and I/O space among hotplug bridges to
    allow more devices to be hot-added (Mika Westerberg)

  - fix pciehp races during initialization and surprise link down (Mika
    Westerberg)

  - handle surprise-removed devices in PME handling (Qiang)

  - support resizable BARs for large graphics devices (Christian König)

  - expose SR-IOV offset, stride, and VF device ID via sysfs (Filippo
    Sironi)

  - create SR-IOV virtfn/physfn sysfs links before attaching driver
    (Stuart Hayes)

  - fix SR-IOV "ARI Capable Hierarchy" restore issue (Tony Nguyen)

  - enforce Kconfig IOV/REALLOC dependency (Sascha El-Sharkawy)

  - avoid slot reset if bridge itself is broken (Jan Glauber)

  - clean up pci_reset_function() path (Jan H. Schönherr)

  - make pci_map_rom() fail if the option ROM is invalid (Changbin Du)

  - convert timers to timer_setup() (Kees Cook)

  - move PCI_QUIRKS to PCI bus Kconfig menu (Randy Dunlap)

  - constify pci_dev_type and intel_mid_pci_ops (Bhumika Goyal)

  - remove unnecessary pci_dev, pci_bus, resource, pcibios_set_master()
    declarations (Bjorn Helgaas)

  - fix endpoint framework overflows and BUG()s (Dan Carpenter)

  - fix endpoint framework issues (Kishon Vijay Abraham I)

  - avoid broken Cavium CN8xxx bus reset behavior (David Daney)

  - extend Cavium ACS capability quirks (Vadim Lomovtsev)

  - support Synopsys DesignWare RC in ECAM mode (Ard Biesheuvel)

  - turn off dra7xx clocks cleanly on shutdown (Keerthy)

  - fix Faraday probe error path (Wei Yongjun)

  - support HiSilicon STB SoC PCIe host controller (Jianguo Sun)

  - fix Hyper-V interrupt affinity issue (Dexuan Cui)

  - remove useless ACPI warning for Hyper-V pass-through devices (Vitaly
    Kuznetsov)

  - support multiple MSI on iProc (Sandor Bodo-Merle)

  - support Layerscape LS1012a and LS1046a PCIe host controllers (Hou
    Zhiqiang)

  - fix Layerscape default error response (Minghuan Lian)

  - support MSI on Tango host controller (Marc Gonzalez)

  - support Tegra186 PCIe host controller (Manikanta Maddireddy)

  - use generic accessors on Tegra when possible (Thierry Reding)

  - support V3 Semiconductor PCI host controller (Linus Walleij)

* tag 'pci-v4.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (85 commits)
  PCI/ASPM: Add L1 Substates definitions
  PCI/ASPM: Reformat ASPM register definitions
  PCI/ASPM: Use correct capability pointer to program LTR_L1.2_THRESHOLD
  PCI/ASPM: Account for downstream device's Port Common_Mode_Restore_Time
  PCI: xgene: Rename xgene_pcie_probe_bridge() to xgene_pcie_probe()
  PCI: xilinx: Rename xilinx_pcie_link_is_up() to xilinx_pcie_link_up()
  PCI: altera: Rename altera_pcie_link_is_up() to altera_pcie_link_up()
  PCI: Fix kernel-doc build warning
  PCI: Fail pci_map_rom() if the option ROM is invalid
  PCI: Move pci_map_rom() error path
  PCI: Move PCI_QUIRKS to the PCI bus menu
  alpha/PCI: Make pdev_save_srm_config() static
  PCI: Remove unused declarations
  PCI: Remove redundant pci_dev, pci_bus, resource declarations
  PCI: Remove redundant pcibios_set_master() declarations
  PCI/PME: Handle invalid data when reading Root Status
  PCI: hv: Use effective affinity mask
  PCI: pciehp: Do not clear Presence Detect Changed during initialization
  PCI: pciehp: Fix race condition handling surprise link down
  PCI: Distribute available resources to hotplug-capable bridges
  ...
2017-11-15 15:01:28 -08:00
Linus Torvalds 1bc03573e1 Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata updates from Tejun Heo:
 "Nothing too interesting or alarming. Other than a new power saving
  mode addition to ahci and crash fix on a tracepoint, all changes are
  trivial or device-specific"

* 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (22 commits)
  ahci: imx: Handle increased read failures for IMX53 temperature sensor in low frequency mode.
  ata: sata_dwc_460ex: Propagate platform device ID to DMA driver
  ata: fixes kernel crash while tracing ata_eh_link_autopsy event
  ata: pata_pdc2027x: Fix space before '[' error.
  libata: fix spelling mistake: 'ambigious' -> 'ambiguous'
  ata: ceva: Add SMMU support for SATA IP
  ata: ceva: Correct the suspend and resume logic for SATA
  ata: ceva: Correct the AXI bus configuration for SATA ports
  ata: ceva: Add CCI support for SATA if CCI is enabled
  ata: ceva: Make RxWaterMark value as module parameter
  ata: ceva: Disable Device Sleep capability
  ata: ceva: Add gen 3 mode support in driver
  ata: ceva: Move sata port phy oob settings to device-tree
  devicetree: bindings: Add sata port phy config parameters in ahci-ceva
  ata: mark expected switch fall-throughs
  ata: sata_mv: remove a redundant assignment to pointer ehi
  ahci: Add support for Cavium's fifth generation SATA controller
  ata: sata_rcar: Use of_device_get_match_data() helper
  libata: make ata_port_type const
  libata: make static arrays const, reduces object code size
  ...
2017-11-15 14:11:41 -08:00
Linus Torvalds 6c4ba00c40 HSI changes for the v4.15 series
* add HSI OMAP4 bindings
 * misc. small fixes
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Merge tag 'hsi-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI updates from Sebastian Reichel:

 - add HSI OMAP4 bindings

 - misc small fixes

* tag 'hsi-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  dt-bindings: hsi: add omap4 hsi controller bindings
  HSI: hsi_char: pr_err() strings should end with newlines
  HSI: omap_ssi_core: fix kilo to be "k" not "K"
2017-11-15 13:35:43 -08:00
Linus Torvalds 5bbcc0f595 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Highlights:

   1) Maintain the TCP retransmit queue using an rbtree, with 1GB
      windows at 100Gb this really has become necessary. From Eric
      Dumazet.

   2) Multi-program support for cgroup+bpf, from Alexei Starovoitov.

   3) Perform broadcast flooding in hardware in mv88e6xxx, from Andrew
      Lunn.

   4) Add meter action support to openvswitch, from Andy Zhou.

   5) Add a data meta pointer for BPF accessible packets, from Daniel
      Borkmann.

   6) Namespace-ify almost all TCP sysctl knobs, from Eric Dumazet.

   7) Turn on Broadcom Tags in b53 driver, from Florian Fainelli.

   8) More work to move the RTNL mutex down, from Florian Westphal.

   9) Add 'bpftool' utility, to help with bpf program introspection.
      From Jakub Kicinski.

  10) Add new 'cpumap' type for XDP_REDIRECT action, from Jesper
      Dangaard Brouer.

  11) Support 'blocks' of transformations in the packet scheduler which
      can span multiple network devices, from Jiri Pirko.

  12) TC flower offload support in cxgb4, from Kumar Sanghvi.

  13) Priority based stream scheduler for SCTP, from Marcelo Ricardo
      Leitner.

  14) Thunderbolt networking driver, from Amir Levy and Mika Westerberg.

  15) Add RED qdisc offloadability, and use it in mlxsw driver. From
      Nogah Frankel.

  16) eBPF based device controller for cgroup v2, from Roman Gushchin.

  17) Add some fundamental tracepoints for TCP, from Song Liu.

  18) Remove garbage collection from ipv6 route layer, this is a
      significant accomplishment. From Wei Wang.

  19) Add multicast route offload support to mlxsw, from Yotam Gigi"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2177 commits)
  tcp: highest_sack fix
  geneve: fix fill_info when link down
  bpf: fix lockdep splat
  net: cdc_ncm: GetNtbFormat endian fix
  openvswitch: meter: fix NULL pointer dereference in ovs_meter_cmd_reply_start
  netem: remove unnecessary 64 bit modulus
  netem: use 64 bit divide by rate
  tcp: Namespace-ify sysctl_tcp_default_congestion_control
  net: Protect iterations over net::fib_notifier_ops in fib_seq_sum()
  ipv6: set all.accept_dad to 0 by default
  uapi: fix linux/tls.h userspace compilation error
  usbnet: ipheth: prevent TX queue timeouts when device not ready
  vhost_net: conditionally enable tx polling
  uapi: fix linux/rxrpc.h userspace compilation errors
  net: stmmac: fix LPI transitioning for dwmac4
  atm: horizon: Fix irq release error
  net-sysfs: trigger netlink notification on ifalias change via sysfs
  openvswitch: Using kfree_rcu() to simplify the code
  openvswitch: Make local function ovs_nsh_key_attr_size() static
  openvswitch: Fix return value check in ovs_meter_cmd_features()
  ...
2017-11-15 11:56:19 -08:00
Linus Torvalds 892204e06c MIPS changes for 4.15
These are the main MIPS changes for 4.15.
 
 Fixes:
 - ralink: Fix MT7620 PCI build issues (4.5)
 - Disable cmpxchg64() and HAVE_VIRT_CPU_ACCOUNTING_GEN for 32-bit SMP
   (4.1)
 - Fix MIPS64 FP save/restore on 32-bit kernels (4.0)
 - ptrace: Pick up ptrace/seccomp changed syscall numbers (3.19)
 - ralink: Fix MT7628 pinmux (3.19)
 - BCM47XX: Fix LED inversion on WRT54GSv1 (3.17)
 - Fix n32 core dumping as o32 since regset support (3.13)
 - ralink: Drop obsolete USB_ARCH_HAS_HCD select
 
 Build system:
 - Default to "generic" (multiplatform) system type instead of IP22
 - Use generic little endian MIPS32 r2 configuration as default defconfig
   instead of ip22_defconfig
 
 FPU emulation:
 - Fix exception generation for certain R6 FPU instructions
 
 SMP:
 - Allow __cpu_number_map to be larger than NR_CPUS for sparse CPU id
   spaces
 
 Miscellaneous:
 - Add iomem resource for kernel bss section for kexec/kdump
 - Atomics: Nudge writes on bit unlock
 - DT files: Standardise "ok" -> "okay"
 
 Platform support:
 
  BMIPS:
  - Enable HARDIRQS_SW_RESEND
 
  Broadcom BCM63XX:
  - Add clkdev lookup support
  - Update clk driver, UART driver, DTs to handle named refclk from DTs
  - Split apart various clocks to more closely match hardware
  - Add ethernet clocks
 
  Cavium Octeon:
  - Remove usage of cvmx_wait() in favour of __delay()
 
  ImgTec Pistachio:
  - DT: Drop deprecated dwmmc num-slots property
 
  Ingenic JZ4780:
  - Add NFS root to Ci20 defconfig
  - Add watchdog to Ci20 DT & defconfig, and allow building of watchdog
    driver with this SoC
 
  Generic (multiplatform):
  - Migrate xilfpga (MIPSfpga) platform to the generic platform
 
  Lantiq xway:
  - Fix ASC0/ASC1 clocks
 
 Minor cleanups:
 - Define virt_to_pfn()
 - Make thread_saved_pc static
 - Simplify 32-bit sign extension in __read_64bit_c0_split()
 - DMA: Use vma_pages() helper
 - FPU emulation: Replace unsigned with unsigned int
 - MM: Removed unused lastpfn
 - Alchemy: Make clk_ops const
 - Lasat: Use setup_timer() helper
 - ralink: Use BIT() in MT7620 PCI driver
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Merge tag 'mips_4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips

Pull MIPS updates from James Hogan:
 "These are the main MIPS changes for 4.15.

  Fixes:
   - ralink: Fix MT7620 PCI build issues (4.5)
   - Disable cmpxchg64() and HAVE_VIRT_CPU_ACCOUNTING_GEN for 32-bit SMP
     (4.1)
   - Fix MIPS64 FP save/restore on 32-bit kernels (4.0)
   - ptrace: Pick up ptrace/seccomp changed syscall numbers (3.19)
   - ralink: Fix MT7628 pinmux (3.19)
   - BCM47XX: Fix LED inversion on WRT54GSv1 (3.17)
   - Fix n32 core dumping as o32 since regset support (3.13)
   - ralink: Drop obsolete USB_ARCH_HAS_HCD select

  Build system:
   - Default to "generic" (multiplatform) system type instead of IP22
   - Use generic little endian MIPS32 r2 configuration as default
     defconfig instead of ip22_defconfig

  FPU emulation:
   - Fix exception generation for certain R6 FPU instructions

  SMP:
   - Allow __cpu_number_map to be larger than NR_CPUS for sparse CPU id
     spaces

  Miscellaneous:
   - Add iomem resource for kernel bss section for kexec/kdump
   - Atomics: Nudge writes on bit unlock
   - DT files: Standardise "ok" -> "okay"

  Minor cleanups:
   - Define virt_to_pfn()
   - Make thread_saved_pc static
   - Simplify 32-bit sign extension in __read_64bit_c0_split()
   - DMA: Use vma_pages() helper
   - FPU emulation: Replace unsigned with unsigned int
   - MM: Removed unused lastpfn
   - Alchemy: Make clk_ops const
   - Lasat: Use setup_timer() helper
   - ralink: Use BIT() in MT7620 PCI driver

  Platform support:

  BMIPS:
  - Enable HARDIRQS_SW_RESEND

  Broadcom BCM63XX:
  - Add clkdev lookup support
  - Update clk driver, UART driver, DTs to handle named refclk from DTs
  - Split apart various clocks to more closely match hardware
  - Add ethernet clocks

  Cavium Octeon:
  - Remove usage of cvmx_wait() in favour of __delay()

  ImgTec Pistachio:
  - DT: Drop deprecated dwmmc num-slots property

  Ingenic JZ4780:
  - Add NFS root to Ci20 defconfig
  - Add watchdog to Ci20 DT & defconfig, and allow building of watchdog
    driver with this SoC

  Generic (multiplatform):
  - Migrate xilfpga (MIPSfpga) platform to the generic platform

  Lantiq xway:
  - Fix ASC0/ASC1 clocks"

* tag 'mips_4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: (46 commits)
  MIPS: Add iomem resource for kernel bss section.
  MIPS: cmpxchg64() and HAVE_VIRT_CPU_ACCOUNTING_GEN don't work for 32-bit SMP
  MIPS: BMIPS: Enable HARDIRQS_SW_RESEND
  MIPS: pci: Make use of the BIT() macro inside the mt7620 driver
  MIPS: pci: Remove KERN_WARN instance inside the mt7620 driver
  MIPS: pci: Remove duplicate define in mt7620 driver
  MIPS: ralink: Fix typo in mt7628 pinmux function
  MIPS: ralink: Fix MT7628 pinmux
  MIPS: Fix odd fp register warnings with MIPS64r2
  watchdog: jz4780: Allow selection of jz4740-wdt driver
  MIPS/ptrace: Update syscall nr on register changes
  MIPS/ptrace: Pick up ptrace/seccomp changed syscalls
  MIPS: Fix an n32 core file generation regset support regression
  MIPS: Fix MIPS64 FP save/restore on 32-bit kernels
  MIPS: page.h: Define virt_to_pfn()
  MIPS: Xilfpga: Switch to using generic defconfigs
  MIPS: generic: Add support for MIPSfpga
  MIPS: Set defconfig target to a generic system for 32r2el
  MIPS: Kconfig: Set default MIPS system type as generic
  MIPS: DTS: Remove num-slots from Pistachio SoC
  ...
2017-11-15 11:36:08 -08:00
Linus Torvalds c9b012e5f4 arm64 updates for 4.15
Plenty of acronym soup here:
 
 - Initial support for the Scalable Vector Extension (SVE)
 - Improved handling for SError interrupts (required to handle RAS events)
 - Enable GCC support for 128-bit integer types
 - Remove kernel text addresses from backtraces and register dumps
 - Use of WFE to implement long delay()s
 - ACPI IORT updates from Lorenzo Pieralisi
 - Perf PMU driver for the Statistical Profiling Extension (SPE)
 - Perf PMU driver for Hisilicon's system PMUs
 - Misc cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 "The big highlight is support for the Scalable Vector Extension (SVE)
  which required extensive ABI work to ensure we don't break existing
  applications by blowing away their signal stack with the rather large
  new vector context (<= 2 kbit per vector register). There's further
  work to be done optimising things like exception return, but the ABI
  is solid now.

  Much of the line count comes from some new PMU drivers we have, but
  they're pretty self-contained and I suspect we'll have more of them in
  future.

  Plenty of acronym soup here:

   - initial support for the Scalable Vector Extension (SVE)

   - improved handling for SError interrupts (required to handle RAS
     events)

   - enable GCC support for 128-bit integer types

   - remove kernel text addresses from backtraces and register dumps

   - use of WFE to implement long delay()s

   - ACPI IORT updates from Lorenzo Pieralisi

   - perf PMU driver for the Statistical Profiling Extension (SPE)

   - perf PMU driver for Hisilicon's system PMUs

   - misc cleanups and non-critical fixes"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (97 commits)
  arm64: Make ARMV8_DEPRECATED depend on SYSCTL
  arm64: Implement __lshrti3 library function
  arm64: support __int128 on gcc 5+
  arm64/sve: Add documentation
  arm64/sve: Detect SVE and activate runtime support
  arm64/sve: KVM: Hide SVE from CPU features exposed to guests
  arm64/sve: KVM: Treat guest SVE use as undefined instruction execution
  arm64/sve: KVM: Prevent guests from using SVE
  arm64/sve: Add sysctl to set the default vector length for new processes
  arm64/sve: Add prctl controls for userspace vector length management
  arm64/sve: ptrace and ELF coredump support
  arm64/sve: Preserve SVE registers around EFI runtime service calls
  arm64/sve: Preserve SVE registers around kernel-mode NEON use
  arm64/sve: Probe SVE capabilities and usable vector lengths
  arm64: cpufeature: Move sys_caps_initialised declarations
  arm64/sve: Backend logic for setting the vector length
  arm64/sve: Signal handling support
  arm64/sve: Support vector length resetting for new processes
  arm64/sve: Core task context handling
  arm64/sve: Low-level CPU setup
  ...
2017-11-15 10:56:56 -08:00
Linus Torvalds b293fca43b RISC-V Port for Linux 4.15 v9
This tag contains the core RISC-V Linux port, which has been through
 nine rounds of review on various mailing lists.  The port is not
 complete: there's some cleanup patches moving through the review
 process, a whole bunch of drivers that need some work, and a lot of
 feature additions that will be needed.
 
 The patches contained in this tag have been through nine rounds of
 review on the various mailing lists.  I have some outstanding cleanup
 patches, but since there's been so much review on these patches I
 thought it would be best to submit them as-is and then submit explicit
 cleanup patches so everyone can review them.  This first patch set is
 big enough that it's a bit of a pain to constantly rewrite, and it's
 caused a few headaches with various contributors.
 
 The port is definately a work in progress.  While what's there builds
 and boots with 4.14, it's a bit hard to actually see anything happen
 because there are no device drivers yet.  I maintain a staging branch
 that contains all the device drivers and cleanup that actually works,
 but those patches won't all be ready for a while.  I'd like to get what
 we currently have into your tree so everyone can start working from a
 single base -- of particular importance is allowing the glibc
 upstreaming process to proceed so we can sort out any possibly lingering
 user-visible ABI problems we might have.
 
 Copied below is the ChangeLog that contains the history of this patch
 set:
 
 (v9) As per suggestions on our v8 patch set, I've split the core architecture code
 out from our drivers and would like to submit this patch set to be included
 into linux-next, with the goal being to be merged in during the next merge
 window.  This patch set is based on 4.14-rc2, but if it's better to have it
 based on something else then I can change it around.
 
 This patch set contains just the core arch code for RISC-V, so while it builds
 an nominally boots, you can't print or take an interrupt so it's not that
 useful.  If you're looking to actually boot a system it would probably be
 better to use the full patch set listed below.
 
 We've collected a handful of tags from reviewers, and the remainder of the
 patch set only got minimal feedback last time.  Here's what changed:
 
  * We now use the device tree to initialize the timer driver so it's less
    tighly coupled with the arch port.
  * I cleaned up the defconfigs -- there's actually now just one, and it's
    empty.  For now I think we're OK with what the kernel sets as defaults, but
    I anticipate we'll begin to expand this as people start to use the port
    more.
  * The VDSO symbols version is sane.
  * We WFI while spinning in the boot loop.
  * A handful of comments have been added.
 
 While there are still a handful of FIXMEs in this patch set, we've started to
 get enough interest from various users and contributors that maintaining an out
 of tree patch set is starting to become a big burden.  Hopefully the patches
 are good enough to merge now, which will at least get everyone working in a
 more reasonable manner as we clean up the remaining issues.
 
 This patch set is also availiable on github
 
   https://github.com/riscv/riscv-linux/tree/riscv-for-submission-v9-arch
 
 as is the entire patch set necessary to get a more functional RISC-V system up
 and running, including a handful of patches that aren't ready for upstream yet.
 
   https://github.com/riscv/riscv-linux/tree/riscv-for-submission-v9
 
 Hopefully I've managed to get everyone's feedback
 
 Here's the change highlights from the whole patch set:
 
 (v8) I know it may not be the ideal time to submit a patch set right now, as
 it's the middle of the merge window, but things have calmed down quite a bit in
 the last month so I thought it would be good to get everyone on the same page.
 There's been a handful of changes since the last patch set, but most of them
 are fairly minor:
 
 * We changed PAGE_OFFSET to allowing mapping more physical memory on 64-bit
   systems.  This is user configurable, as it triggers a different code model
   that generates slightly less efficient code.
 * The device tree binding documentation is back, I'd managed to lose it at some
   point.
 * We now pass the atomic64 test suite.  The SBI timer driver has been
 * refactored.
 
 (v7) It's been a while since my last patch set, but the changes han been fairly
 minimal:
 
  * The PCI cleanup patches have been dropped, we'll do them as a separate patch
    set later.
  * We've the Kconfig entries from CONFIG_ISA_* to CONFIG_RISCV_ISA_*, to make
    grep easier.
  * There have been a handful of memory model related tweaks in I/O land,
    particularly relating the PCI and the upcoming platform specification.
    There are significant comments in the relevant files.  This is still a WIP,
    but I think we're close to getting as good as we're going to get until we
    end up with some more specifications.
 
 (v6) As it's been only a day since the v5 patch set, the changes are pretty
 minimal:
 
  * The patch set is now based on linux-next/master, which I believe is a better
    base now that we're getting closer to upstream.
  * EARLY_PRINTK is no longer an option.  Since the SBI console is reasonable,
    there's no penalty to enabling it (and thus no benefit to disabling it).
  * The mmap syscalls were refactored a bit.
 
 (v5) Things have really started to calm down, so this is fairly similar to the
 v4 patch set.  The most interesting changes include:
 
  * We've moved back to a single patch set.
 
  * SMP support has been fixed, I was accidentally running on a non-SMP
    configuration.  There were various mistakes all over the tree as a result of
    this.
 
  * The cmpxchg syscalls have been removed, as they were deemed a bad idea.  As
    a result, RISC-V Linux systems mandate the A extension.  The corresponding
    Kconfig entry to enable builds on non-A systems has been removed.
 
  * A few more atomic fixes: mostly fence changes, but those resulted in a
    handful of additional macros that were no longer necessary.
 
  * riscv_early_sie has been removed.
 
 (v4) There have only been a few changes since the v3 patch set:
 
  * The cmpxchg64 syscall is no longer enabled on 32-bit systems.  It's not
    possible to provide this on SMP systems, and it's not necessary as glibc
    knows not to call it.
 
  * We provide a ELF_HWCAP so users can determine the ISA of the machine the
    kernel is running on.
 
  * The multi-line comments are in a better form.
 
  * There were a handful of headers that could be replaced with the asm-generic
    versions, and a few unnecessary definitions.
 
  * We no longer use printk, but instead use pr_*.
 
  * A few Kconfig and defconfig entries have been cleaned up.
 
 (v3) A highlight of the changes since the v2 patch set includes:
 
  * We've split out all our drivers into separate patch sets, which I've already
    sent out to the relevant maintainers.  I haven't included those patches in
    this patch set, but some of them are necessary to build our port.  A git
    tree that contains all our patch sets merged together lives at
    <https://github.com/riscv/riscv-linux/tree/riscv-for-submission-v3>.
 
  * The patch set is now split up differently: rather than being split per
    directory it is split per topic.  Hopefully this will make it easier to
    review the port on the mailing list.  The split is a bit rough, so you
    probably still want to look at the patch set as a whole.
 
  * atomic.h has been completely rewritten and is hopefully now correct.  I've
    attempted to sanitize the various other memory model related code as well,
    and I think it should all be sane now aside from a handful of FIXMEs
    commented in the code.
 
  * We've changed the cmpexchg syscall to always exist and to not be
    multiplexed.  There is also a VDSO entry for compare and exchange, which
    allows kernels with the A extension to execute user code without the A
    extension reasonably fast.
 
  * Our user-visible register state now contains enough space for the Q
    extension for 128-bit floating point, as well as a few words to allow
    extensibility to future ISA extensions like the eventual V extension for
    vectors.
 
  * A handful of driver cleanups, but these have been split into separate patch
    sets now so I won't duplicate them here.
 
 (v2) A highlight of the changes since the v1 patch set includes:
 
   * We've split out our drivers into the right places, which means now there's
     a lot more patches.  I'll be submitting these patches to various subsystem
     maintainers and including them in any future RISC-V patch sets until
     they've been merged.
 
   * The SBI console driver has been completely rewritten to use the HVC helpers
     and is now significantly smaller.
 
   * We've begun to use weaker barriers as opposed to just the big "fence".
     There's still some work to do here, specifically:
     - We need fences in the relaxed MMIO functions.
     - The non-relaxed MMIO functions are missing R/W bits on their fences.
     - Many AMOs need the aq and rl bits set.
 
   * We now have thread_info in task_struct.  As a result, sscratch now contains
     TP instead of SP.  This was necessary because thread_info is no longer on
     the stack.
 
   * A few shared routines have been added that we use instead of creating
     another arch copy.
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Merge tag 'riscv-for-linus-4.15-arch-v9-premerge' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux

Pull RISC-V architecture support from Palmer Dabbelt:
 "This contains the core RISC-V Linux port, which has been through nine
  rounds of review on various mailing lists. The port is not complete:
  there's some cleanup patches moving through the review process, a
  whole bunch of drivers that need some work, and a lot of feature
  additions that will be needed.

  The patches contained in this tag have been through nine rounds of
  review on the various mailing lists. I have some outstanding cleanup
  patches, but since there's been so much review on these patches I
  thought it would be best to submit them as-is and then submit explicit
  cleanup patches so everyone can review them. This first patch set is
  big enough that it's a bit of a pain to constantly rewrite, and it's
  caused a few headaches with various contributors.

  The port is definately a work in progress. While what's there builds
  and boots with 4.14, it's a bit hard to actually see anything happen
  because there are no device drivers yet. I maintain a staging branch
  that contains all the device drivers and cleanup that actually works,
  but those patches won't all be ready for a while. I'd like to get what
  we currently have into your tree so everyone can start working from a
  single base -- of particular importance is allowing the glibc
  upstreaming process to proceed so we can sort out any possibly
  lingering user-visible ABI problems we might have.

  Copied below is the ChangeLog that contains the history of this patch
  set:

   (v9) As per suggestions on our v8 patch set, I've split the core
        architecture code out from our drivers and would like to submit
        this patch set to be included into linux-next, with the goal
        being to be merged in during the next merge window. This patch
        set is based on 4.14-rc2, but if it's better to have it based on
        something else then I can change it around.

        This patch set contains just the core arch code for RISC-V, so
        while it builds an nominally boots, you can't print or take an
        interrupt so it's not that useful. If you're looking to actually
        boot a system it would probably be better to use the full patch
        set listed below.

        We've collected a handful of tags from reviewers, and the
        remainder of the patch set only got minimal feedback last time.
        Here's what changed:

         - We now use the device tree to initialize the timer driver so
           it's less tighly coupled with the arch port.

         - I cleaned up the defconfigs -- there's actually now just one,
           and it's empty. For now I think we're OK with what the kernel
           sets as defaults, but I anticipate we'll begin to expand this
           as people start to use the port more.

         - The VDSO symbols version is sane.

         - We WFI while spinning in the boot loop.

         - A handful of comments have been added.

        While there are still a handful of FIXMEs in this patch set,
        we've started to get enough interest from various users and
        contributors that maintaining an out of tree patch set is
        starting to become a big burden. Hopefully the patches are good
        enough to merge now, which will at least get everyone working in
        a more reasonable manner as we clean up the remaining issues.

   (v8) I know it may not be the ideal time to submit a patch set right
        now, as it's the middle of the merge window, but things have
        calmed down quite a bit in the last month so I thought it would
        be good to get everyone on the same page. There's been a handful
        of changes since the last patch set, but most of them are fairly
        minor:

         - We changed PAGE_OFFSET to allowing mapping more physical
           memory on 64-bit systems. This is user configurable, as it
           triggers a different code model that generates slightly less
           efficient code.

         - The device tree binding documentation is back, I'd managed to
           lose it at some point.

         - We now pass the atomic64 test suite

         - The SBI timer driver has been refactored.

   (v7) It's been a while since my last patch set, but the changes han
        been fairly minimal:

         - The PCI cleanup patches have been dropped, we'll do them as a
           separate patch set later.

         - We've the Kconfig entries from CONFIG_ISA_* to
           CONFIG_RISCV_ISA_*, to make grep easier.

         - There have been a handful of memory model related tweaks in
           I/O land, particularly relating the PCI and the upcoming
           platform specification. There are significant comments in the
           relevant files. This is still a WIP, but I think we're close
           to getting as good as we're going to get until we end up with
           some more specifications.

   (v6) As it's been only a day since the v5 patch set, the changes are
        pretty minimal:

         - The patch set is now based on linux-next/master, which I
           believe is a better base now that we're getting closer to
           upstream.

         - EARLY_PRINTK is no longer an option. Since the SBI console is
           reasonable, there's no penalty to enabling it (and thus no
           benefit to disabling it).

         - The mmap syscalls were refactored a bit.

   (v5) Things have really started to calm down, so this is fairly
        similar to the v4 patch set. The most interesting changes
        include:

         - We've moved back to a single patch set.

         - SMP support has been fixed, I was accidentally running on a
           non-SMP configuration. There were various mistakes all over
           the tree as a result of this.

         - The cmpxchg syscalls have been removed, as they were deemed a
           bad idea. As a result, RISC-V Linux systems mandate the A
           extension. The corresponding Kconfig entry to enable builds
           on non-A systems has been removed.

         - A few more atomic fixes: mostly fence changes, but those
           resulted in a handful of additional macros that were no
           longer necessary.

         - riscv_early_sie has been removed.

   (v4) There have only been a few changes since the v3 patch set:

         - The cmpxchg64 syscall is no longer enabled on 32-bit systems.
           It's not possible to provide this on SMP systems, and it's
           not necessary as glibc knows not to call it.

         - We provide a ELF_HWCAP so users can determine the ISA of the
           machine the kernel is running on.

         - The multi-line comments are in a better form.

         - There were a handful of headers that could be replaced with
           the asm-generic versions, and a few unnecessary definitions.

         - We no longer use printk, but instead use pr_*.

         - A few Kconfig and defconfig entries have been cleaned up.

   (v3) A highlight of the changes since the v2 patch set includes:

         - We've split out all our drivers into separate patch sets,
           which I've already sent out to the relevant maintainers. I
           haven't included those patches in this patch set, but some of
           them are necessary to build our port.

         - The patch set is now split up differently: rather than being
           split per directory it is split per topic. Hopefully this
           will make it easier to review the port on the mailing list.
           The split is a bit rough, so you probably still want to look
           at the patch set as a whole.

         - atomic.h has been completely rewritten and is hopefully now
           correct. I've attempted to sanitize the various other memory
           model related code as well, and I think it should all be sane
           now aside from a handful of FIXMEs commented in the code.

         - We've changed the cmpexchg syscall to always exist and to not
           be multiplexed. There is also a VDSO entry for compare and
           exchange, which allows kernels with the A extension to
           execute user code without the A extension reasonably fast.

         - Our user-visible register state now contains enough space for
           the Q extension for 128-bit floating point, as well as a few
           words to allow extensibility to future ISA extensions like
           the eventual V extension for vectors.

         - A handful of driver cleanups, but these have been split into
           separate patch sets now so I won't duplicate them here.

   (v2) A highlight of the changes since the v1 patch set includes:

         - We've split out our drivers into the right places, which
           means now there's a lot more patches. I'll be submitting
           these patches to various subsystem maintainers and including
           them in any future RISC-V patch sets until they've been
           merged.

         - The SBI console driver has been completely rewritten to use
           the HVC helpers and is now significantly smaller.

         - We've begun to use weaker barriers as opposed to just the big
           "fence". There's still some work to do here, specifically:
            - We need fences in the relaxed MMIO functions.
            - The non-relaxed MMIO functions are missing R/W bits on their fences.
            - Many AMOs need the aq and rl bits set.

         - We now have thread_info in task_struct. As a result, sscratch
           now contains TP instead of SP. This was necessary because
           thread_info is no longer on the stack.

         - A few shared routines have been added that we use instead of
           creating another arch copy"

Reviewed-by: Arnd Bergmann <arnd@arndb.de>

* tag 'riscv-for-linus-4.15-arch-v9-premerge' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux:
  RISC-V: Build Infrastructure
  RISC-V: User-facing API
  RISC-V: Paging and MMU
  RISC-V: Device, timer, IRQs, and the SBI
  RISC-V: Task implementation
  RISC-V: ELF and module implementation
  RISC-V: Generic library routines and assembly
  RISC-V: Atomic and Locking Code
  RISC-V: Init and Halt Code
  dt-bindings: RISC-V CPU Bindings
  lib: Add shared copies of some GCC library routines
  MAINTAINERS: Add RISC-V
2017-11-15 10:49:15 -08:00
Linus Torvalds 37cb8e1f8e DeviceTree for 4.15:
- kbuild cleanups and improvements for dtbs
 
 - Code clean-up of overlay code and fixing for some long standing memory
   leak and race condition in applying overlays
 
 - Improvements to DT memory usage making sysfs/kobjects optional and
   skipping unflattening of disabled nodes. This is part of kernel
   tinification efforts.
 
 - Final piece of removing storing the full path for every DT node. The
   prerequisite conversion of printk's to use device_node format
   specifier happened in 4.14.
 
 - Sync with current upstream dtc. This brings additional checks to dtb
   compiling.
 
 - Binding doc tree wide removal of leading 0s from examples
 
 - RTC binding documentation adding missing devices and some
   consolidation of duplicated bindings
 
 - Vendor prefix documentation for nutsboard, Silicon Storage Technology,
   shimafuji, Tecon Microprocessor Technologies, DH electronics GmbH,
   Opal Kelly, and Next Thing
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Merge tag 'devicetree-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree updates from Rob Herring:
 "A bigger diffstat than usual with the kbuild changes and a tree wide
  fix in the binding documentation.

  Summary:

   - kbuild cleanups and improvements for dtbs

   - Code clean-up of overlay code and fixing for some long standing
     memory leak and race condition in applying overlays

   - Improvements to DT memory usage making sysfs/kobjects optional and
     skipping unflattening of disabled nodes. This is part of kernel
     tinification efforts.

   - Final piece of removing storing the full path for every DT node.
     The prerequisite conversion of printk's to use device_node format
     specifier happened in 4.14.

   - Sync with current upstream dtc. This brings additional checks to
     dtb compiling.

   - Binding doc tree wide removal of leading 0s from examples

   - RTC binding documentation adding missing devices and some
     consolidation of duplicated bindings

   - Vendor prefix documentation for nutsboard, Silicon Storage
     Technology, shimafuji, Tecon Microprocessor Technologies, DH
     electronics GmbH, Opal Kelly, and Next Thing"

* tag 'devicetree-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (55 commits)
  dt-bindings: usb: add #phy-cells to usb-nop-xceiv
  dt-bindings: Remove leading zeros from bindings notation
  kbuild: handle dtb-y and CONFIG_OF_ALL_DTBS natively in Makefile.lib
  MIPS: dts: remove bogus bcm96358nb4ser.dtb from dtb-y entry
  kbuild: clean up *.dtb and *.dtb.S patterns from top-level Makefile
  .gitignore: move *.dtb and *.dtb.S patterns to the top-level .gitignore
  .gitignore: sort normal pattern rules alphabetically
  dt-bindings: add vendor prefix for Next Thing Co.
  scripts/dtc: Update to upstream version v1.4.5-6-gc1e55a5513e9
  of: dynamic: fix memory leak related to properties of __of_node_dup
  of: overlay: make pr_err() string unique
  of: overlay: pr_err from return NOTIFY_OK to overlay apply/remove
  of: overlay: remove unneeded check for NULL kbasename()
  of: overlay: remove a dependency on device node full_name
  of: overlay: simplify applying symbols from an overlay
  of: overlay: avoid race condition between applying multiple overlays
  of: overlay: loosen overly strict phandle clash check
  of: overlay: expand check of whether overlay changeset can be removed
  of: overlay: detect cases where device tree may become corrupt
  of: overlay: minor restructuring
  ...
2017-11-14 18:25:40 -08:00
Linus Torvalds 9f7a9b1191 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - three new touchscreen drivers: EETI EXC3000, HiDeep, and Samsung
   S6SY761

 - the timer API conversion (setup_timer() -> timer_setup())

 - a few drivers swiytched to using managed API for creating custom
   device attributes

 - other assorted fixed and cleanups.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (50 commits)
  Input: gamecon - mark expected switch fall-throughs
  Input: sidewinder - mark expected switch fall-throughs
  Input: spaceball - mark expected switch fall-throughs
  Input: uinput - unlock on allocation failure in ioctl
  Input: add support for the Samsung S6SY761 touchscreen
  Input: add support for HiDeep touchscreen
  Input: st1232 - remove obsolete platform device support
  Input: convert autorepeat timer to use timer_setup()
  media: ttpci: remove autorepeat handling and use timer_setup
  Input: cyttsp4 - avoid overflows when calculating memory sizes
  Input: mxs-lradc - remove redundant assignment to pointer input
  Input: add I2C attached EETI EXC3000 multi touch driver
  Input: goodix - support gt1151 touchpanel
  Input: ps2-gpio - actually abort probe when connected to sleeping GPIOs
  Input: hil_mlc - convert to using timer_setup()
  Input: hp_sdc - convert to using timer_setup()
  Input: touchsceen - convert timers to use timer_setup()
  Input: keyboard - convert timers to use timer_setup()
  Input: uinput - fold header into the driver proper
  Input: uinput - remove uinput_allocate_device()
  ...
2017-11-14 18:07:18 -08:00
Linus Torvalds 4e4510fec4 sound updates for 4.15-rc1
There are no big surprising changes in this cycle, yet not too
 boring, either.  The biggest change from diffstat POV is the removal
 of the legacy OSS driver codes that have been already disabled for a
 long time.  This will bring a few trivial merge conflicts.
 
 As new features in ASoC side, there are two things: a new AC97 bus
 implementation and AMD Stony platform support.  Both include the
 relevant changes shared with other subsystems, e.g. AC97 MFD changes
 and DRM AMD changes.
 
 Some other highlighted topics are:
 - A bunch of USB-audio drivers got the hardening against the malicious
   device accesses with a new helper code for endpoint sanity check.
 - Lots of cleanups for ASoC Intel platform code, including support for
   their open source audio firmware.
 - Continued ASoC core componentization works.
 - Support for scaling MCLK with sample rate in ASoC simple-card.
 - Stabler PCM hot-unplug capability, especially for ASoC usages.
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Merge tag 'sound-4.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "There are no big surprising changes in this cycle, yet not too boring,
  either. The biggest change from diffstat POV is the removal of the
  legacy OSS driver codes that have been already disabled for a long
  time. This will bring a few trivial merge conflicts.

  As new features in ASoC side, there are two things: a new AC97 bus
  implementation and AMD Stony platform support. Both include the
  relevant changes shared with other subsystems, e.g. AC97 MFD changes
  and DRM AMD changes.

  Some other highlighted topics are:

   - A bunch of USB-audio drivers got the hardening against the
     malicious device accesses with a new helper code for endpoint
     sanity check

   - Lots of cleanups for ASoC Intel platform code, including support
     for their open source audio firmware

   - Continued ASoC core componentization works

   - Support for scaling MCLK with sample rate in ASoC simple-card

   - Stabler PCM hot-unplug capability, especially for ASoC usages"

* tag 'sound-4.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (302 commits)
  Documentation: sound: hd-audio: notes.rst
  ASoC: bcm2835: Support left/right justified and DSP modes
  ASoC: bcm2835: Enforce full symmetry
  ASoC: bcm2835: Support additional samplerates up to 384kHz
  ASoC: bcm2835: Add support for TDM modes
  ASoC: add mclk-fs support to audio graph card
  ASoC: add mclk-fs to audio graph card binding
  ASoC: rt5514: work around link error
  ASoC: rt5514: mark PM functions as __maybe_unused
  ASoC: rt5663: Check the JD status in the button pushing
  ASoC: amd: Modified DMA transfer Mechanism for Playback
  ASoC: rt5645: Wait for 400msec before concluding on value of RT5645_VENDOR_ID2
  ASoC: sun4i-codec: fixed 32bit audio capture support for H3/H2+
  ASoC: da7213: add support for DSP modes
  ASoC: sun8i-codec: Add a comment on the LRCK inversion
  ASoC: sun8i-codec: Set the BCLK divider
  ASoC: rt5663: Delay and retry reading rt5663 ID register
  ASoC: amd: use do_div rather than 64 bit division to fix 32 bit builds
  ASoC: cs42l56: Fix reset GPIO name in example DT binding
  ASoC: rt5514-spi: check irq status to schedule data copy in resume function
  ...
2017-11-14 18:01:46 -08:00
Linus Torvalds 4008e6a9bc Merge branch 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "This contains two bigger than usual tree-wide changes this time. They
  all have proper acks, caused no merge conflicts in linux-next where
  they have been for a while. They are namely:

   - to-gpiod conversion of the i2c-gpio driver and its users (touching
     arch/* and drivers/mfd/*)

   - adding a sbs-manager based on I2C core updates to SMBus alerts
     (touching drivers/power/*)

  Other notable changes:

   - i2c_boardinfo can now carry a dev_name to be used when the device
     is created. This is because some devices in ACPI world need fixed
     names to find the regulators.

   - the designware driver got a long discussed overhaul of its PM
     handling. img-scb and davinci got PM support, too.

   - at24 driver has way better OF support. And it has a new maintainer.
     Thanks Bartosz for stepping up!

  The rest is regular driver updates and fixes"

* 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (55 commits)
  ARM: sa1100: simpad: Correct I2C GPIO offsets
  i2c: aspeed: Deassert reset in probe
  eeprom: at24: Add OF device ID table
  MAINTAINERS: new maintainer for AT24 driver
  i2c: nuc900: remove platform_data, too
  i2c: thunderx: Remove duplicate NULL check
  i2c: taos-evm: Remove duplicate NULL check
  i2c: Make i2c_unregister_device() NULL-aware
  i2c: xgene-slimpro: Support v2
  i2c: mpc: remove useless variable initialization
  i2c: omap: Trigger bus recovery in lockup case
  i2c: gpio: Add support for named gpios in DT
  dt-bindings: i2c: i2c-gpio: Add support for named gpios
  i2c: gpio: Local vars in probe
  i2c: gpio: Augment all boardfiles to use open drain
  i2c: gpio: Enforce open drain through gpiolib
  gpio: Make it possible for consumers to enforce open drain
  i2c: gpio: Convert to use descriptors
  power: supply: sbs-message: fix some code style issues
  power: supply: sbs-battery: remove unchecked return var
  ...
2017-11-14 17:52:21 -08:00
Linus Torvalds 6aa2f9441f This is the bulk of GPIO changes for the v4.15 kernel cycle:
CORE:
 - Fix the semantics of raw GPIO to actually be raw. No
   inversion semantics as before, but also no open draining,
   and allow the raw operations to affect lines used for
   interrupts as the caller supposedly knows what they are
   doing if they are getting the big hammer.
 
 - Rewrote the __inner_function() notation calls to names that
   make more sense. I just find this kind of code disturbing.
 
 - Drop the .irq_base() field from the gpiochip since now all
   IRQs are mapped dynamically. This is nice.
 
 - Support for .get_multiple() in the core driver API. This
   allows us to read several GPIO lines with a single
   register read. This has high value for some usecases: it
   can be used to create oscilloscopes and signal analyzers
   and other things that rely on reading several lines at
   exactly the same instant. Also a generally nice
   optimization. This uses the new assign_bit() macro from
   the bitops lib that was ACKed by Andrew Morton and
   is implemented for two drivers, one of them being the
   generic MMIO driver so everyone using that will be able
   to benefit from this.
 
 - Do not allow requests of Open Drain and Open Source
   setting of a GPIO line simultaneously. If the hardware
   actually supports enabling both at the same time the
   electrical result would be disastrous.
 
 - A new interrupt chip core helper. This will be helpful
   to deal with "banked" GPIOs, which means GPIO controllers
   with several logical blocks of GPIO inside them. This
   is several gpiochips per device in the device model, in
   contrast to the case when there is a 1-to-1 relationship
   between a device and a gpiochip.
 
 NEW DRIVERS:
 
 - Maxim MAX3191x industrial serializer, a very interesting
   piece of professional I/O hardware.
 
 - Uniphier GPIO driver. This is the GPIO block from the
   recent Socionext (ex Fujitsu and Panasonic) platform.
 
 - Tegra 186 driver. This is based on the new banked GPIO
   infrastructure.
 
 OTHER IMPROVEMENTS:
 
 - Some documentation improvements.
 
 - Wakeup support for the DesignWare DWAPB GPIO controller.
 
 - Reset line support on the DesignWare DWAPB GPIO controller.
 
 - Several non-critical bug fixes and improvements for the
   Broadcom BRCMSTB driver.
 
 - Misc non-critical bug fixes like exotic errorpaths, removal
   of dead code etc.
 
 - Explicit comments on fall-through switch() statements.
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Merge tag 'gpio-v4.15-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.15 kernel cycle:

  Core:

   - Fix the semantics of raw GPIO to actually be raw. No inversion
     semantics as before, but also no open draining, and allow the raw
     operations to affect lines used for interrupts as the caller
     supposedly knows what they are doing if they are getting the big
     hammer.

   - Rewrote the __inner_function() notation calls to names that make
     more sense. I just find this kind of code disturbing.

   - Drop the .irq_base() field from the gpiochip since now all IRQs are
     mapped dynamically. This is nice.

   - Support for .get_multiple() in the core driver API. This allows us
     to read several GPIO lines with a single register read. This has
     high value for some usecases: it can be used to create
     oscilloscopes and signal analyzers and other things that rely on
     reading several lines at exactly the same instant. Also a generally
     nice optimization. This uses the new assign_bit() macro from the
     bitops lib that was ACKed by Andrew Morton and is implemented for
     two drivers, one of them being the generic MMIO driver so everyone
     using that will be able to benefit from this.

   - Do not allow requests of Open Drain and Open Source setting of a
     GPIO line simultaneously. If the hardware actually supports
     enabling both at the same time the electrical result would be
     disastrous.

   - A new interrupt chip core helper. This will be helpful to deal with
     "banked" GPIOs, which means GPIO controllers with several logical
     blocks of GPIO inside them. This is several gpiochips per device in
     the device model, in contrast to the case when there is a 1-to-1
     relationship between a device and a gpiochip.

  New drivers:

   - Maxim MAX3191x industrial serializer, a very interesting piece of
     professional I/O hardware.

   - Uniphier GPIO driver. This is the GPIO block from the recent
     Socionext (ex Fujitsu and Panasonic) platform.

   - Tegra 186 driver. This is based on the new banked GPIO
     infrastructure.

  Other improvements:

   - Some documentation improvements.

   - Wakeup support for the DesignWare DWAPB GPIO controller.

   - Reset line support on the DesignWare DWAPB GPIO controller.

   - Several non-critical bug fixes and improvements for the Broadcom
     BRCMSTB driver.

   - Misc non-critical bug fixes like exotic errorpaths, removal of dead
     code etc.

   - Explicit comments on fall-through switch() statements"

* tag 'gpio-v4.15-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (65 commits)
  gpio: tegra186: Remove tegra186_gpio_lock_class
  gpio: rcar: Add r8a77995 (R-Car D3) support
  pinctrl: bcm2835: Fix some merge fallout
  gpio: Fix undefined lock_dep_class
  gpio: Automatically add lockdep keys
  gpio: Introduce struct gpio_irq_chip.first
  gpio: Disambiguate struct gpio_irq_chip.nested
  gpio: Add Tegra186 support
  gpio: Export gpiochip_irq_{map,unmap}()
  gpio: Implement tighter IRQ chip integration
  gpio: Move lock_key into struct gpio_irq_chip
  gpio: Move irq_valid_mask into struct gpio_irq_chip
  gpio: Move irq_nested into struct gpio_irq_chip
  gpio: Move irq_chained_parent to struct gpio_irq_chip
  gpio: Move irq_default_type to struct gpio_irq_chip
  gpio: Move irq_handler to struct gpio_irq_chip
  gpio: Move irqdomain into struct gpio_irq_chip
  gpio: Move irqchip into struct gpio_irq_chip
  gpio: Introduce struct gpio_irq_chip
  pinctrl: armada-37xx: remove unused variable
  ...
2017-11-14 17:23:44 -08:00
Linus Torvalds 23c258763b dmaengine updates for 4.15-rc1
Updates for this cycle include:
 - New driver for Spreadtrum dma controller, ST MDMA and DMAMUX controllers
 - PM support for IMG MDC drivers
 - Updates to bcm-sba-raid driver and improvements to sun6i driver
 - Subsystem conversion for:
   - timers to use timer_setup()
   - remove usage of PCI pool API
   - usage of %p format specifier
 - Minor updates to bunch of drivers
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Merge tag 'dmaengine-4.15-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "Updates for this cycle include:

   - new driver for Spreadtrum dma controller, ST MDMA and DMAMUX
     controllers

   - PM support for IMG MDC drivers

   - updates to bcm-sba-raid driver and improvements to sun6i driver

   - subsystem conversion for:
      - timers to use timer_setup()
      - remove usage of PCI pool API
      - usage of %p format specifier

   - minor updates to bunch of drivers"

* tag 'dmaengine-4.15-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (49 commits)
  dmaengine: ti-dma-crossbar: Correct am335x/am43xx mux value type
  dmaengine: dmatest: warn user when dma test times out
  dmaengine: Revert "rcar-dmac: use TCRB instead of TCR for residue"
  dmaengine: stm32_mdma: activate pack/unpack feature
  dmaengine: at_hdmac: Remove unnecessary 0x prefixes before %pad
  dmaengine: coh901318: Remove unnecessary 0x prefixes before %pad
  MAINTAINERS: Step down from a co-maintaner of DW DMAC driver
  dmaengine: pch_dma: Replace PCI pool old API
  dmaengine: Convert timers to use timer_setup()
  dmaengine: sprd: Add Spreadtrum DMA driver
  dt-bindings: dmaengine: Add Spreadtrum SC9860 DMA controller
  dmaengine: sun6i: Retrieve channel count/max request from devicetree
  dmaengine: Build bcm-sba-raid driver as loadable module for iProc SoCs
  dmaengine: bcm-sba-raid: Use common GPL comment header
  dmaengine: bcm-sba-raid: Use only single mailbox channel
  dmaengine: bcm-sba-raid: serialize dma_cookie_complete() using reqs_lock
  dmaengine: pl330: fix descriptor allocation fail
  dmaengine: rcar-dmac: use TCRB instead of TCR for residue
  dmaengine: sun6i: Add support for Allwinner A64 and compatibles
  arm64: allwinner: a64: Add devicetree binding for DMA controller
  ...
2017-11-14 16:49:31 -08:00
Linus Torvalds 37dc79565c Merge branch 'linus' of 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 4.15:

  API:

   - Disambiguate EBUSY when queueing crypto request by adding ENOSPC.
     This change touches code outside the crypto API.
   - Reset settings when empty string is written to rng_current.

  Algorithms:

   - Add OSCCA SM3 secure hash.

  Drivers:

   - Remove old mv_cesa driver (replaced by marvell/cesa).
   - Enable rfc3686/ecb/cfb/ofb AES in crypto4xx.
   - Add ccm/gcm AES in crypto4xx.
   - Add support for BCM7278 in iproc-rng200.
   - Add hash support on Exynos in s5p-sss.
   - Fix fallback-induced error in vmx.
   - Fix output IV in atmel-aes.
   - Fix empty GCM hash in mediatek.

  Others:

   - Fix DoS potential in lib/mpi.
   - Fix potential out-of-order issues with padata"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (162 commits)
  lib/mpi: call cond_resched() from mpi_powm() loop
  crypto: stm32/hash - Fix return issue on update
  crypto: dh - Remove pointless checks for NULL 'p' and 'g'
  crypto: qat - Clean up error handling in qat_dh_set_secret()
  crypto: dh - Don't permit 'key' or 'g' size longer than 'p'
  crypto: dh - Don't permit 'p' to be 0
  crypto: dh - Fix double free of ctx->p
  hwrng: iproc-rng200 - Add support for BCM7278
  dt-bindings: rng: Document BCM7278 RNG200 compatible
  crypto: chcr - Replace _manual_ swap with swap macro
  crypto: marvell - Add a NULL entry at the end of mv_cesa_plat_id_table[]
  hwrng: virtio - Virtio RNG devices need to be re-registered after suspend/resume
  crypto: atmel - remove empty functions
  crypto: ecdh - remove empty exit()
  MAINTAINERS: update maintainer for qat
  crypto: caam - remove unused param of ctx_map_to_sec4_sg()
  crypto: caam - remove unneeded edesc zeroization
  crypto: atmel-aes - Reset the controller before each use
  crypto: atmel-aes - properly set IV after {en,de}crypt
  hwrng: core - Reset user selected rng by writing "" to rng_current
  ...
2017-11-14 10:52:09 -08:00
Bjorn Helgaas e9cd973f2b Merge branch 'pci/host-v3-semi' into next
* pci/host-v3-semi:
  PCI: v3-semi: Add V3 Semiconductor PCI host driver
  PCI: v3: Update the device tree bindings
2017-11-14 12:11:37 -06:00
Bjorn Helgaas d238be6957 Merge branch 'pci/host-tegra' into next
* pci/host-tegra:
  PCI: tegra: Add Tegra186 PCIe support
  dt-bindings: pci: tegra: Document Tegra186 PCIe DT
  PCI: tegra: Use generic accessors where possible
2017-11-14 12:11:35 -06:00
Bjorn Helgaas 9ff950304d Merge branch 'pci/host-rcar' into next
* pci/host-rcar:
  dt-bindings: PCI: rcar: Correct example to match reality
2017-11-14 12:11:34 -06:00
Bjorn Helgaas 89000e89bf Merge branch 'pci/host-layerscape' into next
* pci/host-layerscape:
  PCI: layerscape: Change default error response behavior
  PCI: Disable MSI for Freescale Layerscape PCIe RC mode
  arm64: dts: ls1046a: Add PCIe controller DT nodes
  arm64: dts: ls1012a: Add PCIe controller DT node
  PCI: layerscape: Add support for ls1012a
  arm64: dts: ls1012a: Add MSI controller DT node
  irqchip/ls-scfg-msi: Add LS1012a MSI support
2017-11-14 12:11:33 -06:00
Bjorn Helgaas 22111ff4d7 Merge branch 'pci/host-hisi' into next
* pci/host-hisi:
  PCI: hisi: Add HiSilicon STB SoC PCIe controller driver
2017-11-14 12:11:31 -06:00
Linus Torvalds 894025f24b USB/PHY patches for 4.15-rc1
Here is the big set of USB and PHY driver updates for 4.15-rc1.
 
 There is the usual amount of gadget and xhci driver updates, along with
 phy and chipidea enhancements.  There's also a lot of SPDX tags and
 license boilerplate cleanups as well, which provide some churn in the
 diffstat.
 
 Other major thing is the typec code that moved out of staging and into
 the "real" part of the drivers/usb/ tree, which was nice to see happen.
 
 All of these have been in linux-next with no reported issues for a
 while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY updates from Greg KH:
 "Here is the big set of USB and PHY driver updates for 4.15-rc1.

  There is the usual amount of gadget and xhci driver updates, along
  with phy and chipidea enhancements. There's also a lot of SPDX tags
  and license boilerplate cleanups as well, which provide some churn in
  the diffstat.

  Other major thing is the typec code that moved out of staging and into
  the "real" part of the drivers/usb/ tree, which was nice to see
  happen.

  All of these have been in linux-next with no reported issues for a
  while"

* tag 'usb-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (263 commits)
  usb: gadget: f_fs: Fix use-after-free in ffs_free_inst
  USB: usbfs: compute urb->actual_length for isochronous
  usb: core: message: remember to reset 'ret' to 0 when necessary
  USB: typec: Remove remaining redundant license text
  USB: typec: add SPDX identifiers to some files
  USB: renesas_usbhs: rcar?.h: add SPDX tags
  USB: chipidea: ci_hdrc_tegra.c: add SPDX line
  USB: host: xhci-debugfs: add SPDX lines
  USB: add SPDX identifiers to all remaining Makefiles
  usb: host: isp1362-hcd: remove a couple of redundant assignments
  USB: adutux: remove redundant variable minor
  usb: core: add a new usb_get_ptm_status() helper
  usb: core: add a 'type' parameter to usb_get_status()
  usb: core: introduce a new usb_get_std_status() helper
  usb: core: rename usb_get_status() 'type' argument to 'recip'
  usb: core: add Status Type definitions
  USB: gadget: Remove redundant license text
  USB: gadget: function: Remove redundant license text
  USB: gadget: udc: Remove redundant license text
  USB: gadget: legacy: Remove redundant license text
  ...
2017-11-13 21:14:07 -08:00
Vinod Koul d2045ba3a4 Merge branch 'topic/sun' into for-linus 2017-11-14 10:37:07 +05:30
Vinod Koul 135ab7f53c Merge branch 'topic/sprd' into for-linus
Kconfig and Makefile conflicts so put them in right order (sprd ones after
stm ones)

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2017-11-14 10:36:09 +05:30
Linus Torvalds fb0255fb29 TTY/Serial patches for 4.15-rc1
Here is the big tty/serial driver pull request for 4.15-rc1.
 
 Lots of serial driver updates in here, some small vt cleanups, and a
 raft of SPDX and license boilerplate cleanups, messing up the diffstat a
 bit.
 
 Nothing major, with no realy functional changes except better hardware
 support for some platforms.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here is the big tty/serial driver pull request for 4.15-rc1.

  Lots of serial driver updates in here, some small vt cleanups, and a
  raft of SPDX and license boilerplate cleanups, messing up the diffstat
  a bit.

  Nothing major, with no realy functional changes except better hardware
  support for some platforms.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (110 commits)
  tty: ehv_bytechan: fix spelling mistake
  tty: serial: meson: allow baud-rates lower than 9600
  serial: 8250_fintek: Fix crash with baud rate B0
  serial: 8250_fintek: Disable delays for ports != 0
  serial: 8250_fintek: Return -EINVAL on invalid configuration
  tty: Remove redundant license text
  tty: serdev: Remove redundant license text
  tty: hvc: Remove redundant license text
  tty: serial: Remove redundant license text
  tty: add SPDX identifiers to all remaining files in drivers/tty/
  tty: serial: jsm: remove redundant pointer ts
  tty: serial: jsm: add space before the open parenthesis '('
  tty: serial: jsm: fix coding style
  tty: serial: jsm: delete space between function name and '('
  tty: serial: jsm: add blank line after declarations
  tty: serial: jsm: change the type of local variable
  tty: serial: imx: remove dead code imx_dma_rxint
  tty: serial: imx: disable ageing timer interrupt if dma in use
  serial: 8250: fix potential deadlock in rs485-mode
  serial: m32r_sio: Drop redundant .data assignment
  ...
2017-11-13 21:05:31 -08:00
Vinod Koul 9c60271336 Merge branch 'topic/stm' into for-linus 2017-11-14 10:34:56 +05:30
Linus Torvalds 449fcf3ab0 Staging/IIO patches for 4.15-rc1
Here is the "big" staging and IIO driver update for 4.15-rc1.
 
 Lots and lots of little changes, almost all minor code cleanups as the
 Outreachy application process happened during this development cycle.
 Also happened was a lot of IIO driver activity, and the typec USB code
 moving out of staging to drivers/usb (same commits are in the USB tree
 on a persistent branch to not cause merge issues.)
 
 Overall, it's a wash, I think we added a few hundred more lines than
 removed, but really only a few thousand were modified at all.
 
 All of these have been in linux-next for a while.  There might be a
 merge issue with Al's vfs tree in the pi433 driver (take his changes,
 they are always better), and the media tree with some of the odd atomisp
 cleanups (take the media tree's version).
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging and IIO updates from Greg KH:
 "Here is the "big" staging and IIO driver update for 4.15-rc1.

  Lots and lots of little changes, almost all minor code cleanups as the
  Outreachy application process happened during this development cycle.
  Also happened was a lot of IIO driver activity, and the typec USB code
  moving out of staging to drivers/usb (same commits are in the USB tree
  on a persistent branch to not cause merge issues.)

  Overall, it's a wash, I think we added a few hundred more lines than
  removed, but really only a few thousand were modified at all.

  All of these have been in linux-next for a while. There might be a
  merge issue with Al's vfs tree in the pi433 driver (take his changes,
  they are always better), and the media tree with some of the odd
  atomisp cleanups (take the media tree's version)"

* tag 'staging-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (507 commits)
  staging: lustre: add SPDX identifiers to all lustre files
  staging: greybus: Remove redundant license text
  staging: greybus: add SPDX identifiers to all greybus driver files
  staging: ccree: simplify ioread/iowrite
  staging: ccree: simplify registers access
  staging: ccree: simplify error handling logic
  staging: ccree: remove dead code
  staging: ccree: handle limiting of DMA masks
  staging: ccree: copy IV to DMAable memory
  staging: fbtft: remove redundant initialization of buf
  staging: sm750fb: Fix parameter mistake in poke32
  staging: wilc1000: Fix bssid buffer offset in Txq
  staging: fbtft: fb_ssd1331: fix mirrored display
  staging: android: Fix checkpatch.pl error
  staging: greybus: loopback: convert loopback to use generic async operations
  staging: greybus: operation: add private data with get/set accessors
  staging: greybus: loopback: Fix iteration count on async path
  staging: greybus: loopback: Hold per-connection mutex across operations
  staging: greybus/loopback: use ktime_get() for time intervals
  staging: fsl-dpaa2/eth: Extra headroom in RX buffers
  ...
2017-11-13 20:53:28 -08:00
Linus Torvalds 2bcc673101 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
 "Yet another big pile of changes:

   - More year 2038 work from Arnd slowly reaching the point where we
     need to think about the syscalls themself.

   - A new timer function which allows to conditionally (re)arm a timer
     only when it's either not running or the new expiry time is sooner
     than the armed expiry time. This allows to use a single timer for
     multiple timeout requirements w/o caring about the first expiry
     time at the call site.

   - A new NMI safe accessor to clock real time for the printk timestamp
     work. Can be used by tracing, perf as well if required.

   - A large number of timer setup conversions from Kees which got
     collected here because either maintainers requested so or they
     simply got ignored. As Kees pointed out already there are a few
     trivial merge conflicts and some redundant commits which was
     unavoidable due to the size of this conversion effort.

   - Avoid a redundant iteration in the timer wheel softirq processing.

   - Provide a mechanism to treat RTC implementations depending on their
     hardware properties, i.e. don't inflict the write at the 0.5
     seconds boundary which originates from the PC CMOS RTC to all RTCs.
     No functional change as drivers need to be updated separately.

   - The usual small updates to core code clocksource drivers. Nothing
     really exciting"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (111 commits)
  timers: Add a function to start/reduce a timer
  pstore: Use ktime_get_real_fast_ns() instead of __getnstimeofday()
  timer: Prepare to change all DEFINE_TIMER() callbacks
  netfilter: ipvs: Convert timers to use timer_setup()
  scsi: qla2xxx: Convert timers to use timer_setup()
  block/aoe: discover_timer: Convert timers to use timer_setup()
  ide: Convert timers to use timer_setup()
  drbd: Convert timers to use timer_setup()
  mailbox: Convert timers to use timer_setup()
  crypto: Convert timers to use timer_setup()
  drivers/pcmcia: omap1: Fix error in automated timer conversion
  ARM: footbridge: Fix typo in timer conversion
  drivers/sgi-xp: Convert timers to use timer_setup()
  drivers/pcmcia: Convert timers to use timer_setup()
  drivers/memstick: Convert timers to use timer_setup()
  drivers/macintosh: Convert timers to use timer_setup()
  hwrng/xgene-rng: Convert timers to use timer_setup()
  auxdisplay: Convert timers to use timer_setup()
  sparc/led: Convert timers to use timer_setup()
  mips: ip22/32: Convert timers to use timer_setup()
  ...
2017-11-13 17:56:58 -08:00
Linus Torvalds 670310dfba Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq core updates from Thomas Gleixner:
 "A rather large update for the interrupt core code and the irq chip drivers:

   - Add a new bitmap matrix allocator and supporting changes, which is
     used to replace the x86 vector allocator which comes with separate
     pull request. This allows to replace the convoluted nested loop
     allocation function in x86 with a facility which supports the
     recently added property of managed interrupts proper and allows to
     switch to a best effort vector reservation scheme, which addresses
     problems with vector exhaustion.

   - A large update to the ARM GIC-V3-ITS driver adding support for
     range selectors.

   - New interrupt controllers:
       - Meson and Meson8 GPIO
       - BCM7271 L2
       - Socionext EXIU

     If you expected that this will stop at some point, I have to
     disappoint you. There are new ones posted already. Sigh!

   - STM32 interrupt controller support for new platforms.

   - A pile of fixes, cleanups and updates to the MIPS GIC driver

   - The usual small fixes, cleanups and updates all over the place.
     Most visible one is to move the irq chip drivers Kconfig switches
     into a separate Kconfig menu"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (70 commits)
  genirq: Fix type of shifting literal 1 in __setup_irq()
  irqdomain: Drop pointless NULL check in virq_debug_show_one
  genirq/proc: Return proper error code when irq_set_affinity() fails
  irq/work: Use llist_for_each_entry_safe
  irqchip: mips-gic: Print warning if inherited GIC base is used
  irqchip/mips-gic: Add pr_fmt and reword pr_* messages
  irqchip/stm32: Move the wakeup on interrupt mask
  irqchip/stm32: Fix initial values
  irqchip/stm32: Add stm32h7 support
  dt-bindings/interrupt-controllers: Add compatible string for stm32h7
  irqchip/stm32: Add multi-bank management
  irqchip/stm32: Select GENERIC_IRQ_CHIP
  irqchip/exiu: Add support for Socionext Synquacer EXIU controller
  dt-bindings: Add description of Socionext EXIU interrupt controller
  irqchip/gic-v3-its: Fix VPE activate callback return value
  irqchip: mips-gic: Make IPI bitmaps static
  irqchip: mips-gic: Share register writes in gic_set_type()
  irqchip: mips-gic: Remove gic_vpes variable
  irqchip: mips-gic: Use num_possible_cpus() to reserve IPIs
  irqchip: mips-gic: Configure EIC when CPUs come online
  ...
2017-11-13 17:33:11 -08:00
Rob Herring aa25e446ce dt-bindings: usb: add #phy-cells to usb-nop-xceiv
Consumers of usb-nop-xceiv use the phy binding, but #phy-cells is missing
from the binding. This is probably because this binding predates the
common phy binding. So add #phy-cells as a required property. This should
not break any users as missing should be treated as 0 cells.

Signed-off-by: Rob Herring <robh@kernel.org>
2017-11-13 16:50:01 -06:00
Linus Torvalds f3573b8f90 OpenRISC updates for v4.15
Small Things:
  - Move OpenRISC docs into Documentation and clean them up
  - Document previously undocumented devicetree bindings
  - Update the or1ksim dts to use stdout-path
 
 OpenRISC SMP support details:
  - First the "use shadow registers" and "define CPU_BIG_ENDIAN as true"
    get the architecture ready for SMP.
  - The "add 1 and 2 byte cmpxchg support" and "use qspinlocks and
    qrwlocks" add the SMP locking infrastructure as needed.  Using the
    qspinlocks and qrwlocks as suggested by Peter Z while reviewing the
    original spinlocks implementation.
  - The "support for ompic" adds a new irqchip device which is used for
    IPI communication to support SMP.
  - The "initial SMP support" adds smp.c and makes changes to all of the
    necessary data-structures to be per-cpu.
  - The remaining patches are bug fixes and debug helpers which I wanted
    to keep separate from the "initial SMP support" in order to allow them
    to be reviewed on their own. This includes:
     - add cacheflush support to fix icache aliasing
     - fix initial preempt state for secondary cpu tasks
     - sleep instead of spin on secondary wait
     - support framepointers and STACKTRACE_SUPPORT
     - enable LOCKDEP_SUPPORT and irqflags tracing
     - timer sync: Add tick timer sync logic
     - fix possible deadlock in timer sync, pointed out by mips guys
 
 Note: the irqchip patch was reviewed with Marc and we agreed to push it
 together with these patches.
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Merge tag 'for-linus' of git://github.com/openrisc/linux

Pull OpenRISC updates from Stafford Horne:
 "The OpenRISC work is a bit more interesting this time, adding SMP
  support and a few general cleanups.

  Small Things:

   - Move OpenRISC docs into Documentation and clean them up

   - Document previously undocumented devicetree bindings

   - Update the or1ksim dts to use stdout-path

  OpenRISC SMP support details:

   - First the "use shadow registers" and "define CPU_BIG_ENDIAN as
     true" get the architecture ready for SMP.

   - The "add 1 and 2 byte cmpxchg support" and "use qspinlocks and
     qrwlocks" add the SMP locking infrastructure as needed. Using the
     qspinlocks and qrwlocks as suggested by Peter Z while reviewing the
     original spinlocks implementation.

   - The "support for ompic" adds a new irqchip device which is used for
     IPI communication to support SMP.

   - The "initial SMP support" adds smp.c and makes changes to all of
     the necessary data-structures to be per-cpu.

  The remaining patches are bug fixes and debug helpers which I wanted
  to keep separate from the "initial SMP support" in order to allow them
  to be reviewed on their own. This includes:

   - add cacheflush support to fix icache aliasing

   - fix initial preempt state for secondary cpu tasks

   - sleep instead of spin on secondary wait

   - support framepointers and STACKTRACE_SUPPORT

   - enable LOCKDEP_SUPPORT and irqflags tracing

   - timer sync: Add tick timer sync logic

   - fix possible deadlock in timer sync, pointed out by mips guys

  Note: the irqchip patch was reviewed with Marc and we agreed to push
  it together with these patches"

* tag 'for-linus' of git://github.com/openrisc/linux:
  openrisc: fix possible deadlock scenario during timer sync
  openrisc: pass endianness info to sparse
  openrisc: add tick timer multi-core sync logic
  openrisc: enable LOCKDEP_SUPPORT and irqflags tracing
  openrisc: support framepointers and STACKTRACE_SUPPORT
  openrisc: add simple_smp dts and defconfig for simulators
  openrisc: add cacheflush support to fix icache aliasing
  openrisc: sleep instead of spin on secondary wait
  openrisc: fix initial preempt state for secondary cpu tasks
  openrisc: initial SMP support
  irqchip: add initial support for ompic
  dt-bindings: add openrisc to vendor prefixes list
  openrisc: use qspinlocks and qrwlocks
  openrisc: add 1 and 2 byte cmpxchg support
  openrisc: use shadow registers to save regs on exception
  dt-bindings: openrisc: Add OpenRISC platform SoC
  Documentation: openrisc: Updates to README
  Documentation: Move OpenRISC docs out of arch/
  MAINTAINERS: Add OpenRISC pic maintainer
  openrisc: dts: or1ksim: Add stdout-path
2017-11-13 12:12:00 -08:00
Linus Torvalds dee02770cd MMC core:
- Introduce host claiming by context to support blkmq
  - Preparations for enabling CQE (eMMC CMDQ) requests
  - Re-factorizations to prepare for blkmq support
  - Re-factorizations to prepare for CQE support
  - Fix signal voltage switch for SD cards without power cycle
  - Convert RPMB to a character device
  - Export eMMC revision via sysfs
  - Support eMMC DT binding for fixed driver type
  - Document mmc_regulator_get_supply() API
 
 MMC host:
  - omap_hsmmc: Updated regulator management for PBIAS
  - sdhci-omap: Add new OMAP SDHCI driver
  - meson-mx-sdio: New driver for the Amlogic Meson8 and Meson8b SoCs
  - sdhci-pci: Add support for Intel CDF
  - sdhci-acpi: Fix voltage switch for some Intel host controllers
  - sdhci-msm: Enable delay circuit calibration clocks
  - sdhci-msm: Manage power IRQ properly
  - mediatek: Add support of mt2701/mt2712
  - mediatek: Updates management of clocks and tunings
  - mediatek: Upgrade eMMC HS400 support
  - rtsx_pci: Update tuning for gen3 PCI-Express
  - renesas_sdhi: Support R-Car Gen[123] fallback compatibility strings
  - Catch all errors when getting regulators
  - Various additional improvements and cleanups
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Merge tag 'mmc-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Introduce host claiming by context to support blkmq
   - Preparations for enabling CQE (eMMC CMDQ) requests
   - Re-factorizations to prepare for blkmq support
   - Re-factorizations to prepare for CQE support
   - Fix signal voltage switch for SD cards without power cycle
   - Convert RPMB to a character device
   - Export eMMC revision via sysfs
   - Support eMMC DT binding for fixed driver type
   - Document mmc_regulator_get_supply() API

 MMC host:
   - omap_hsmmc: Updated regulator management for PBIAS
   - sdhci-omap: Add new OMAP SDHCI driver
   - meson-mx-sdio: New driver for the Amlogic Meson8 and Meson8b SoCs
   - sdhci-pci: Add support for Intel CDF
   - sdhci-acpi: Fix voltage switch for some Intel host controllers
   - sdhci-msm: Enable delay circuit calibration clocks
   - sdhci-msm: Manage power IRQ properly
   - mediatek: Add support of mt2701/mt2712
   - mediatek: Updates management of clocks and tunings
   - mediatek: Upgrade eMMC HS400 support
   - rtsx_pci: Update tuning for gen3 PCI-Express
   - renesas_sdhi: Support R-Car Gen[123] fallback compatibility strings
   - Catch all errors when getting regulators
   - Various additional improvements and cleanups"

* tag 'mmc-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (91 commits)
  sdhci-fujitsu: add support for setting the CMD_DAT_DELAY attribute
  dt-bindings: sdhci-fujitsu: document cmd-dat-delay property
  mmc: tmio: Replace msleep() of 20ms or less with usleep_range()
  mmc: dw_mmc: Convert timers to use timer_setup()
  mmc: dw_mmc: Cleanup the DTO timer like the CTO one
  mmc: vub300: Use common code in __download_offload_pseudocode()
  mmc: tmio: Use common error handling code in tmio_mmc_host_probe()
  mmc: Convert timers to use timer_setup()
  mmc: sdhci-acpi: Fix voltage switch for some Intel host controllers
  mmc: sdhci-acpi: Let devices define their own private data
  mmc: mediatek: perfer to use rise edge latching for cmd line
  mmc: mediatek: improve eMMC hs400 mode read performance
  mmc: mediatek: add latch-ck support
  mmc: mediatek: add support of source_cg clock
  mmc: mediatek: add stop_clk fix and enhance_rx support
  mmc: mediatek: add busy_check support
  mmc: mediatek: add async fifo and data tune support
  mmc: mediatek: add pad_tune0 support
  mmc: mediatek: make hs400_tune_response only for mt8173
  arm64: dts: mt8173: remove "mediatek, mt8135-mmc" from mmc nodes
  ...
2017-11-13 10:17:35 -08:00
Linus Torvalds e75427c694 spi: Updates for v4.15
This release is almost entirely driver changes, there's a couple of
 fixes in the core but otherwise it's all drivers:
 
  - Fix for mixed dynamic and static bus number assignment.
  - Fixes for some leaks arising from confusing lifetime rules during
    device unregistration and improved documentation to try to help avoid
    this in the future.
  - Fixes to make the native chip select support for i.MX usable.
  - Slave mode support for i.MX.
  - Support for Coldfire MCF5441x DSPI, Renesas R8A7443/5 and Spreadtrum
    ADI.
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Merge tag 'spi-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "This release is almost entirely driver changes, there's a couple of
  fixes in the core but otherwise it's all drivers:

   - fix for mixed dynamic and static bus number assignment.

   - fixes for some leaks arising from confusing lifetime rules during
     device unregistration and improved documentation to try to help
     avoid this in the future.

   - fixes to make the native chip select support for i.MX usable.

   - slave mode support for i.MX.

   - support for Coldfire MCF5441x DSPI, Renesas R8A7443/5 and
     Spreadtrum ADI"

* tag 'spi-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (31 commits)
  spi: imx: Don't require platform data chipselect array
  spi: imx: Fix failure path leak on GPIO request error
  spi: imx: GPIO based chip selects should not be required
  spi: sh-msiof: remove redundant pointer dev
  spi: s3c64xx: remove redundant pointer sci
  spi: spi-fsl-dspi: enabling Coldfire mcf5441x dspi
  spi: fix IDR collision on systems with both fixed and dynamic SPI bus numbers
  spi: orion: remove redundant assignment of status to zero
  spi: sh-msiof: Fix DMA transfer size check
  spi: imx: Fix failure path leak on GPIO request error
  spi: spi-axi: fix potential use-after-free after deregistration
  spi: document odd controller reference handling
  spi: fix use-after-free at controller deregistration
  spi: sprd: Fix the possible negative value of BIT()
  spi: sprd-adi: fix platform_no_drv_owner.cocci warnings
  spi: a3700: Change SPI mode before asserting chip-select
  spi: tegra114: correct register name in definition
  spi: spreadtrum adi: add hwspinlock dependency
  spi: sh-msiof: Use of_device_get_match_data() helper
  spi: rspi: Use of_device_get_match_data() helper
  ...
2017-11-13 09:43:24 -08:00
Linus Torvalds 5f194bf485 regulator: Updates for v4.15
A very quiet release for regulator, there's some new device support in
 existing drivers here and a few fixes but nothing in the core.
 
  - New device support for Allwinner AXP813, Dialog DA223/4/5 and
    Qualcomm PMI8994.
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Merge tag 'regulator-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "A very quiet release for regulator, there's some new device support in
  existing drivers here and a few fixes but nothing in the core.

  Summary:

   - New device support for Allwinner AXP813, Dialog DA223/4/5 and
     Qualcomm PMI8994"

* tag 'regulator-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: tps65218: remove unused tps_info structure
  regulator: tps65218: Fix strobe assignment
  regulator: qcom_spmi: Include offset when translating voltages
  regulator: qcom_spmi: Add support for pmi8994
  regulator: da9211: update for supporting da9223/4/5
  ASoC: pfuze100: Remove leading zero from '@08' notation
  regulator: axp20x: Simplify axp20x_is_polyphase_slave implementation
  regulator: axp20x: Add support for AXP813 regulators
2017-11-13 09:36:45 -08:00
Niklas Cassel 3ec26c7944 bindings: net: stmmac: correctify note about LPI interrupt
There are two different combined signal for various interrupt events:
In EQOS-CORE and EQOS-MTL configurations, mci_intr_o is the interrupt
signal.
In EQOS-DMA, EQOS-AHB and EQOS-AXI configurations, these interrupt events
are combined with the events in the DMA on the sbd_intr_o signal.

Depending on configuration, the device tree irq "macirq" will refer to
either mci_intr_o or sbd_intr_o.

The databook states:
"The MAC generates the LPI interrupt when the Tx or Rx side enters or exits
the LPI state. The interrupt mci_intr_o (sbd_intr_o in certain
configurations) is asserted when the LPI interrupt status is set.

When the MAC exits the Rx LPI state, then in addition to the mci_intr_o
(sbd_intr_o in certain configurations), the sideband signal lpi_intr_o is
asserted.

If you do not want to gate-off the application clock during the Rx LPI
state, you can leave the lpi_intr_o signal unconnected and use the
mci_intr_o (sbd_intr_o in certain configurations) signal to detect Rx LPI
exit."

Since the "macirq" is always raised when Tx or Rx enters/exits the LPI
state, "eth_lpi" must therefore refer to lpi_intr_o, which is only raised
when Rx exits the LPI state. Update the DT binding description to reflect
reality.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-11 19:29:08 +09:00
Mark Brown abbdb5ce31
Merge remote-tracking branches 'spi/topic/sh-msiof', 'spi/topic/slave', 'spi/topic/spreadtrum' and 'spi/topic/tegra114' into spi-next 2017-11-10 21:33:51 +00:00
Mark Brown 6e69547250
Merge remote-tracking branches 'spi/topic/imx', 'spi/topic/mxs', 'spi/topic/orion', 'spi/topic/rspi' and 'spi/topic/s3c64xx' into spi-next 2017-11-10 21:33:47 +00:00
Mark Brown 704c14554b
Merge remote-tracking branches 'spi/topic/armada', 'spi/topic/axi', 'spi/topic/davinci' and 'spi/topic/fsl-dspi' into spi-next 2017-11-10 21:33:44 +00:00
Mark Brown 50b7baefe3
Merge remote-tracking branches 'regulator/topic/da9211', 'regulator/topic/pfuze100' and 'regulator/topic/tps65218' into regulator-next 2017-11-10 21:33:23 +00:00
Mark Brown 9b272e6118
Merge remote-tracking branch 'regulator/topic/qcom-spmi' into regulator-next 2017-11-10 21:33:22 +00:00
Mark Brown df6a3e2455
Merge remote-tracking branches 'asoc/topic/tfa9879', 'asoc/topic/ts3a277e', 'asoc/topic/wm8741', 'asoc/topic/wm97xx' and 'asoc/topic/zte' into asoc-next 2017-11-10 21:31:33 +00:00
Mark Brown 668f21b180
Merge remote-tracking branches 'asoc/topic/samsung', 'asoc/topic/sgtl5000', 'asoc/topic/stm32', 'asoc/topic/sunxi' and 'asoc/topic/tas571x' into asoc-next 2017-11-10 21:31:29 +00:00
Mark Brown 84400d7ff8
Merge remote-tracking branches 'asoc/topic/rt5645', 'asoc/topic/rt5651', 'asoc/topic/rt5659', 'asoc/topic/rt5663' and 'asoc/topic/rt5670' into asoc-next 2017-11-10 21:31:25 +00:00
Mark Brown 0d7b5c93e5
Merge remote-tracking branches 'asoc/topic/rl6231' and 'asoc/topic/rt5514' into asoc-next 2017-11-10 21:31:23 +00:00
Mark Brown 033d56f6c0
Merge remote-tracking branches 'asoc/topic/dwc', 'asoc/topic/fallthrough', 'asoc/topic/fsi', 'asoc/topic/fsl' and 'asoc/topic/graph' into asoc-next 2017-11-10 21:31:13 +00:00
Mark Brown f2470d5291
Merge remote-tracking branches 'asoc/topic/bcm2835', 'asoc/topic/cs42l56' and 'asoc/topic/cs43130' into asoc-next 2017-11-10 21:31:07 +00:00
Mark Brown 242f66c845
Merge remote-tracking branches 'asoc/topic/ac97', 'asoc/topic/ac97-mfd', 'asoc/topic/amd' and 'asoc/topic/arizona-mfd' into asoc-next 2017-11-10 21:31:02 +00:00
Mark Brown f904f84609
Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next 2017-11-10 21:30:57 +00:00
Olivier Moysan b8b0d10c3a
ASoC: add mclk-fs to audio graph card binding
Add mclk-fs support to audio graph card
as initially supported in simple card.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-11-10 21:23:01 +00:00
Andi Shyti 0145a7141e Input: add support for the Samsung S6SY761 touchscreen
The S6SY761 touchscreen is a capicitive multi-touch controller
for mobile use. It's connected with i2c at the address 0x48.

This commit provides a basic version of the driver which can
handle only initialization, touch events and power states.

The controller is controlled by a firmware which, in the version
I currently have, doesn't provide all the possible
functionalities mentioned in the datasheet.

Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-11-10 10:18:23 -08:00
Anthony Kim 842ff28616 Input: add support for HiDeep touchscreen
The HiDeep touchscreen device is a capacitive multi-touch controller
mainly for multi-touch supported devices use. It use I2C interface for
communication to IC and provide axis X, Y, Z locations for ten finger
touch through input event interface to userspace.

It support the Crimson and the Lime two type IC. They are different
the number of channel supported and FW size. But the working protocol
is same.

Signed-off-by: Anthony Kim <anthony.kim@hideep.com>
Acked-by: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-11-10 10:18:22 -08:00
Florian Fainelli 8ddef132a3 dt-bindings: rng: Document BCM7278 RNG200 compatible
BCM7278 includes a RGN200 hardware random number generator, document the
compatible string for that version of the IP.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-11-10 19:20:08 +08:00