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Author SHA1 Message Date
Jiri Slaby
5f56a5dfdb exit_thread: remove empty bodies 
Define HAVE_EXIT_THREAD for archs which want to do something in
exit_thread. For others, let's define exit_thread as an empty inline.

This is a cleanup before we change the prototype of exit_thread to
accept a task parameter.

[akpm@linux-foundation.org: fix mips]
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: David Howells <dhowells@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-20 17:58:30 -07:00
Linus Torvalds
a1c28b75a9 Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm 
Pull ARM updates from Russell King:
 "Changes included in this pull request:

   - revert pxa2xx-flash back to using ioremap_cached() and switch
     memremap() to use arch_memremap_wb()

   - remove pci=firmware command line argument handling

   - remove unnecessary arm_dma_set_mask() implementation, the generic
     implementation will do for ARM

   - removal of the ARM kallsyms "hack" to work around mode switching
     veneers and vectors located below PAGE_OFFSET

   - tidy up build system output a little

   - add L2 cache power management DT bindings

   - remove duplicated local_irq_disable() in reboot paths

   - handle AMBA primecell devices better at registration time with PM
     domains (needed for Samsung SoCs)

   - ARM specific preparation to support Keystone II kexec"

* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8567/1: cache-uniphier: activate ways for secondary CPUs
  ARM: 8570/2: Documentation: devicetree: Add PL310 PM bindings
  ARM: 8569/1: pl2x0: Add OF control of cache power management
  ARM: 8568/1: reboot: remove duplicated local_irq_disable()
  ARM: 8566/1: drivers: amba: properly handle devices with power domains
  ARM: provide arm_has_idmap_alias() helper
  ARM: kexec: remove 512MB restriction on kexec crashdump
  ARM: provide improved virt_to_idmap() functionality
  ARM: kexec: fix crashkernel= handling
  ARM: 8557/1: specify install, zinstall, and uinstall as PHONY targets
  ARM: 8562/1: suppress "include/generated/mach-types.h is up to date."
  ARM: 8553/1: kallsyms: remove --page-offset command line option
  ARM: 8552/1: kallsyms: remove special lower address limit for CONFIG_ARM
  ARM: 8555/1: kallsyms: ignore ARM mode switching veneers
  ARM: 8548/1: dma-mapping: remove arm_dma_set_mask()
  ARM: 8554/1: kernel: pci: remove pci=firmware command line parameter handling
  ARM: memremap: implement arch_memremap_wb()
  memremap: add arch specific hook for MEMREMAP_WB mappings
  mtd: pxa2xx-flash: switch back from memremap to ioremap_cached
  ARM: reintroduce ioremap_cached() for creating cached I/O mappings
 2016-05-20 10:01:38 -07:00
Linus Torvalds
a05a70db34 Merge branch 'akpm' (patches from Andrew) 
Merge updates from Andrew Morton:

 - fsnotify fix

 - poll() timeout fix

 - a few scripts/ tweaks

 - debugobjects updates

 - the (small) ocfs2 queue

 - Minor fixes to kernel/padata.c

 - Maybe half of the MM queue

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (117 commits)
  mm, page_alloc: restore the original nodemask if the fast path allocation failed
  mm, page_alloc: uninline the bad page part of check_new_page()
  mm, page_alloc: don't duplicate code in free_pcp_prepare
  mm, page_alloc: defer debugging checks of pages allocated from the PCP
  mm, page_alloc: defer debugging checks of freed pages until a PCP drain
  cpuset: use static key better and convert to new API
  mm, page_alloc: inline pageblock lookup in page free fast paths
  mm, page_alloc: remove unnecessary variable from free_pcppages_bulk
  mm, page_alloc: pull out side effects from free_pages_check
  mm, page_alloc: un-inline the bad part of free_pages_check
  mm, page_alloc: check multiple page fields with a single branch
  mm, page_alloc: remove field from alloc_context
  mm, page_alloc: avoid looking up the first zone in a zonelist twice
  mm, page_alloc: shortcut watermark checks for order-0 pages
  mm, page_alloc: reduce cost of fair zone allocation policy retry
  mm, page_alloc: shorten the page allocator fast path
  mm, page_alloc: check once if a zone has isolated pageblocks
  mm, page_alloc: move __GFP_HARDWALL modifications out of the fastpath
  mm, page_alloc: simplify last cpupid reset
  mm, page_alloc: remove unnecessary initialisation from __alloc_pages_nodemask()
  ...
 2016-05-19 20:00:06 -07:00
Hugh Dickins
fd8cfd3000 arch: fix has_transparent_hugepage() 
I've just discovered that the useful-sounding has_transparent_hugepage()
is actually an architecture-dependent minefield: on some arches it only
builds if CONFIG_TRANSPARENT_HUGEPAGE=y, on others it's also there when
not, but on some of those (arm and arm64) it then gives the wrong
answer; and on mips alone it's marked __init, which would crash if
called later (but so far it has not been called later).

Straighten this out: make it available to all configs, with a sensible
default in asm-generic/pgtable.h, removing its definitions from those
arches (arc, arm, arm64, sparc, tile) which are served by the default,
adding #define has_transparent_hugepage has_transparent_hugepage to
those (mips, powerpc, s390, x86) which need to override the default at
runtime, and removing the __init from mips (but maybe that kind of code
should be avoided after init: set a static variable the first time it's
called).

Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andres Lagar-Cavilla <andreslc@google.com>
Cc: Yang Shi <yang.shi@linaro.org>
Cc: Ning Qu <quning@gmail.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Vineet Gupta <vgupta@synopsys.com>		[arch/arc]
Acked-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>	[arch/s390]
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2016-05-19 19:12:14 -07:00
Linus Torvalds
e0fb1b3639 IOMMU Updates for Linux v4.7 
The updates include:
 
 	* Rate limiting for the VT-d fault handler
 
 	* Remove statistics code from the AMD IOMMU driver. It is unused
 	  and should be replaced by something more generic if needed
 
 	* Per-domain pagesize-bitmaps in IOMMU core code to support
 	  systems with different types of IOMMUs
 
 	* Support for ACPI devices in the AMD IOMMU driver
 
 	* 4GB mode support for Mediatek IOMMU driver
 
 	* ARM-SMMU updates from Will Deacon:
 
 		- Support for 64k pages with SMMUv1 implementations
 		  (e.g MMU-401)
 
 		- Remove open-coded 64-bit MMIO accessors
 
 		- Initial support for 16-bit VMIDs, as supported by some
 		  ThunderX SMMU implementations
 
 		- A couple of errata workarounds for silicon in the
 		  field
 
 	* Various fixes here and there
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Merge tag 'iommu-updates-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "The updates include:

   - rate limiting for the VT-d fault handler

   - remove statistics code from the AMD IOMMU driver.  It is unused and
     should be replaced by something more generic if needed

   - per-domain pagesize-bitmaps in IOMMU core code to support systems
     with different types of IOMMUs

   - support for ACPI devices in the AMD IOMMU driver

   - 4GB mode support for Mediatek IOMMU driver

   - ARM-SMMU updates from Will Deacon:
      - support for 64k pages with SMMUv1 implementations (e.g MMU-401)
      - remove open-coded 64-bit MMIO accessors
      - initial support for 16-bit VMIDs, as supported by some ThunderX
        SMMU implementations
      - a couple of errata workarounds for silicon in the field

   - various fixes here and there"

* tag 'iommu-updates-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (44 commits)
  iommu/arm-smmu: Use per-domain page sizes.
  iommu/amd: Remove statistics code
  iommu/dma: Finish optimising higher-order allocations
  iommu: Allow selecting page sizes per domain
  iommu: of: enforce const-ness of struct iommu_ops
  iommu: remove unused priv field from struct iommu_ops
  iommu/dma: Implement scatterlist segment merging
  iommu/arm-smmu: Clear cache lock bit of ACR
  iommu/arm-smmu: Support SMMUv1 64KB supplement
  iommu/arm-smmu: Decouple context format from kernel config
  iommu/arm-smmu: Tidy up 64-bit/atomic I/O accesses
  io-64-nonatomic: Add relaxed accessor variants
  iommu/arm-smmu: Work around MMU-500 prefetch errata
  iommu/arm-smmu: Convert ThunderX workaround to new method
  iommu/arm-smmu: Differentiate specific implementations
  iommu/arm-smmu: Workaround for ThunderX erratum #27704
  iommu/arm-smmu: Add support for 16 bit VMID
  iommu/amd: Move get_device_id() and friends to beginning of file
  iommu/amd: Don't use IS_ERR_VALUE to check integer values
  iommu/amd: Signedness bug in acpihid_device_group()
  ...
 2016-05-19 17:07:04 -07:00
Linus Torvalds
7afd16f882 PCI changes for the v4.7 merge window: 
Enumeration
     Refine PCI support check in pcibios_init() (Adrian-Ken Rueegsegger)
     Provide common functions for ECAM mapping (Jayachandran C)
     Allow all PCIe services on non-ACPI host bridges (Jon Derrick)
     Remove return values from pcie_port_platform_notify() and relatives (Jon Derrick)
     Widen portdrv service type from 4 bits to 8 bits (Keith Busch)
     Add Downstream Port Containment portdrv service type (Keith Busch)
     Add Downstream Port Containment driver (Keith Busch)
 
   Resource management
     Identify Enhanced Allocation (EA) BAR Equivalent resources in sysfs (Alex Williamson)
     Supply CPU physical address (not bus address) to iomem_is_exclusive() (Bjorn Helgaas)
     alpha: Call iomem_is_exclusive() for IORESOURCE_MEM, but not IORESOURCE_IO (Bjorn Helgaas)
     Mark Broadwell-EP Home Agent 1 as having non-compliant BARs (Prarit Bhargava)
     Disable all BAR sizing for devices with non-compliant BARs (Prarit Bhargava)
     Move PCI I/O space management from OF to PCI core code (Tomasz Nowicki)
 
   PCI device hotplug
     acpiphp_ibm: Avoid uninitialized variable reference (Dan Carpenter)
     Use cached copy of PCI_EXP_SLTCAP_HPC bit (Lukas Wunner)
 
   Virtualization
     Mark Intel i40e NIC INTx masking as broken (Alex Williamson)
     Reverse standard ACS vs device-specific ACS enabling (Alex Williamson)
     Work around Intel Sunrise Point PCH incorrect ACS capability (Alex Williamson)
 
   IOMMU
     Add pci_add_dma_alias() to abstract implementation (Bjorn Helgaas)
     Move informational printk to pci_add_dma_alias() (Bjorn Helgaas)
     Add support for multiple DMA aliases (Jacek Lawrynowicz)
     Add DMA alias quirk for mic_x200_dma (Jacek Lawrynowicz)
 
   Thunderbolt
     Fix double free of drom buffer (Andreas Noever)
     Add Intel Thunderbolt device IDs (Lukas Wunner)
     Fix typos and magic number (Lukas Wunner)
     Support 1st gen Light Ridge controller (Lukas Wunner)
 
   Generic host bridge driver
     Use generic ECAM API (Jayachandran C)
 
   Cavium ThunderX host bridge driver
     Don't clobber read-only bits in bridge config registers (David Daney)
     Use generic ECAM API (Jayachandran C)
 
   Freescale i.MX6 host bridge driver
     Use enum instead of bool for variant indicator (Andrey Smirnov)
     Implement reset sequence for i.MX6+ (Andrey Smirnov)
     Factor out ref clock enable (Bjorn Helgaas)
     Add initial imx6sx support (Christoph Fritz)
     Add reset-gpio-active-high boolean property to DT (Petr Štetiar)
     Add DT property for link gen, default to Gen1 (Tim Harvey)
     dts: Specify imx6qp version of PCIe core (Andrey Smirnov)
     dts: Fix PCIe reset GPIO polarity on Toradex Apalis Ixora (Petr Štetiar)
 
   Marvell Armada host bridge driver
     add DT binding for Marvell Armada 7K/8K PCIe controller (Thomas Petazzoni)
     Add driver for Marvell Armada 7K/8K PCIe controller (Thomas Petazzoni)
 
   Marvell MVEBU host bridge driver
     Constify mvebu_pcie_pm_ops structure (Jisheng Zhang)
     Use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS for mvebu_pcie_pm_ops (Jisheng Zhang)
 
   Microsoft Hyper-V host bridge driver
     Report resources release after stopping the bus (Vitaly Kuznetsov)
     Add explicit barriers to config space access (Vitaly Kuznetsov)
 
   Renesas R-Car host bridge driver
     Select PCI_MSI_IRQ_DOMAIN (Arnd Bergmann)
 
   Synopsys DesignWare host bridge driver
     Remove incorrect RC memory base/limit configuration (Gabriele Paoloni)
     Move Root Complex setup code to dw_pcie_setup_rc() (Jisheng Zhang)
 
   TI Keystone host bridge driver
     Add error IRQ handler (Murali Karicheri)
     Remove unnecessary goto statement (Murali Karicheri)
 
   Miscellaneous
     Fix spelling errors (Colin Ian King)
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Merge tag 'pci-v4.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:
   - Refine PCI support check in pcibios_init() (Adrian-Ken Rueegsegger)
   - Provide common functions for ECAM mapping (Jayachandran C)
   - Allow all PCIe services on non-ACPI host bridges (Jon Derrick)
   - Remove return values from pcie_port_platform_notify() and relatives (Jon Derrick)
   - Widen portdrv service type from 4 bits to 8 bits (Keith Busch)
   - Add Downstream Port Containment portdrv service type (Keith Busch)
   - Add Downstream Port Containment driver (Keith Busch)

  Resource management:
   - Identify Enhanced Allocation (EA) BAR Equivalent resources in sysfs (Alex Williamson)
   - Supply CPU physical address (not bus address) to iomem_is_exclusive() (Bjorn Helgaas)
   - alpha: Call iomem_is_exclusive() for IORESOURCE_MEM, but not IORESOURCE_IO (Bjorn Helgaas)
   - Mark Broadwell-EP Home Agent 1 as having non-compliant BARs (Prarit Bhargava)
   - Disable all BAR sizing for devices with non-compliant BARs (Prarit Bhargava)
   - Move PCI I/O space management from OF to PCI core code (Tomasz Nowicki)

  PCI device hotplug:
   - acpiphp_ibm: Avoid uninitialized variable reference (Dan Carpenter)
   - Use cached copy of PCI_EXP_SLTCAP_HPC bit (Lukas Wunner)

  Virtualization:
   - Mark Intel i40e NIC INTx masking as broken (Alex Williamson)
   - Reverse standard ACS vs device-specific ACS enabling (Alex Williamson)
   - Work around Intel Sunrise Point PCH incorrect ACS capability (Alex Williamson)

  IOMMU:
   - Add pci_add_dma_alias() to abstract implementation (Bjorn Helgaas)
   - Move informational printk to pci_add_dma_alias() (Bjorn Helgaas)
   - Add support for multiple DMA aliases (Jacek Lawrynowicz)
   - Add DMA alias quirk for mic_x200_dma (Jacek Lawrynowicz)

  Thunderbolt:
   - Fix double free of drom buffer (Andreas Noever)
   - Add Intel Thunderbolt device IDs (Lukas Wunner)
   - Fix typos and magic number (Lukas Wunner)
   - Support 1st gen Light Ridge controller (Lukas Wunner)

  Generic host bridge driver:
   - Use generic ECAM API (Jayachandran C)

  Cavium ThunderX host bridge driver:
   - Don't clobber read-only bits in bridge config registers (David Daney)
   - Use generic ECAM API (Jayachandran C)

  Freescale i.MX6 host bridge driver:
   - Use enum instead of bool for variant indicator (Andrey Smirnov)
   - Implement reset sequence for i.MX6+ (Andrey Smirnov)
   - Factor out ref clock enable (Bjorn Helgaas)
   - Add initial imx6sx support (Christoph Fritz)
   - Add reset-gpio-active-high boolean property to DT (Petr Štetiar)
   - Add DT property for link gen, default to Gen1 (Tim Harvey)
   - dts: Specify imx6qp version of PCIe core (Andrey Smirnov)
   - dts: Fix PCIe reset GPIO polarity on Toradex Apalis Ixora (Petr Štetiar)

  Marvell Armada host bridge driver:
   - add DT binding for Marvell Armada 7K/8K PCIe controller (Thomas Petazzoni)
   - Add driver for Marvell Armada 7K/8K PCIe controller (Thomas Petazzoni)

  Marvell MVEBU host bridge driver:
   - Constify mvebu_pcie_pm_ops structure (Jisheng Zhang)
   - Use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS for mvebu_pcie_pm_ops (Jisheng Zhang)

  Microsoft Hyper-V host bridge driver:
   - Report resources release after stopping the bus (Vitaly Kuznetsov)
   - Add explicit barriers to config space access (Vitaly Kuznetsov)

  Renesas R-Car host bridge driver:
   - Select PCI_MSI_IRQ_DOMAIN (Arnd Bergmann)

  Synopsys DesignWare host bridge driver:
   - Remove incorrect RC memory base/limit configuration (Gabriele Paoloni)
   - Move Root Complex setup code to dw_pcie_setup_rc() (Jisheng Zhang)

  TI Keystone host bridge driver:
   - Add error IRQ handler (Murali Karicheri)
   - Remove unnecessary goto statement (Murali Karicheri)

  Miscellaneous:
   - Fix spelling errors (Colin Ian King)"

* tag 'pci-v4.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (48 commits)
  PCI: Disable all BAR sizing for devices with non-compliant BARs
  x86/PCI: Mark Broadwell-EP Home Agent 1 as having non-compliant BARs
  PCI: Identify Enhanced Allocation (EA) BAR Equivalent resources in sysfs
  PCI, of: Move PCI I/O space management to PCI core code
  PCI: generic, thunder: Use generic ECAM API
  PCI: Provide common functions for ECAM mapping
  PCI: hv: Add explicit barriers to config space access
  PCI: Use cached copy of PCI_EXP_SLTCAP_HPC bit
  PCI: Add Downstream Port Containment driver
  PCI: Add Downstream Port Containment portdrv service type
  PCI: Widen portdrv service type from 4 bits to 8 bits
  PCI: designware: Remove incorrect RC memory base/limit configuration
  PCI: hv: Report resources release after stopping the bus
  ARM: dts: imx6qp: Specify imx6qp version of PCIe core
  PCI: imx6: Implement reset sequence for i.MX6+
  PCI: imx6: Use enum instead of bool for variant indicator
  PCI: thunder: Don't clobber read-only bits in bridge config registers
  thunderbolt: Fix double free of drom buffer
  PCI: rcar: Select PCI_MSI_IRQ_DOMAIN
  PCI: armada: Add driver for Marvell Armada 7K/8K PCIe controller
  ...
 2016-05-19 13:10:54 -07:00
Linus Torvalds
a0d3c7c5c0 dmaengine updates for 4.7 
This time round the update brings in following changes:
 
  - New tegra driver for ADMA device
  - Support for Xilinx AXI Direct Memory Access Engine and Xilinx AXI Central
    Direct Memory Access Engine and few updates to this driver.
  - New cyclic capability to sun6i and few updates.
  - Slave-sg support in bcm2835.
  - Updates to many drivers like designware, hsu, mv_xor, pxa, edma,
    qcom_hidma & bam.
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Merge tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This time round the update brings in following changes:

   - new tegra driver for ADMA device

   - support for Xilinx AXI Direct Memory Access Engine and Xilinx AXI
     Central Direct Memory Access Engine and few updates to this driver

   - new cyclic capability to sun6i and few updates

   - slave-sg support in bcm2835

   - updates to many drivers like designware, hsu, mv_xor, pxa, edma,
     qcom_hidma & bam"

* tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (84 commits)
  dmaengine: ioatdma: disable relaxed ordering for ioatdma
  dmaengine: of_dma: approximate an average distribution
  dmaengine: core: Use IS_ENABLED() instead of checking for built-in or module
  dmaengine: edma: Re-evaluate errors when ccerr is triggered w/o error event
  dmaengine: qcom_hidma: add support for object hierarchy
  dmaengine: qcom_hidma: add debugfs hooks
  dmaengine: qcom_hidma: implement lower level hardware interface
  dmaengine: vdma: Add clock support
  Documentation: DT: vdma: Add clock support for dmas
  dmaengine: vdma: Add config structure to differentiate dmas
  MAINTAINERS: Update Tegra DMA maintainers
  dmaengine: tegra-adma: Add support for Tegra210 ADMA
  Documentation: DT: Add binding documentation for NVIDIA ADMA
  dmaengine: vdma: Add Support for Xilinx AXI Central Direct Memory Access Engine
  Documentation: DT: vdma: update binding doc for AXI CDMA
  dmaengine: vdma: Add Support for Xilinx AXI Direct Memory Access Engine
  Documentation: DT: vdma: update binding doc for AXI DMA
  dmaengine: vdma: Rename xilinx_vdma_ prefix to xilinx_dma
  dmaengine: slave means at least one of DMA_SLAVE, DMA_CYCLIC
  dmaengine: mv_xor: Allow selecting mv_xor for mvebu only compatible SoC
  ...
 2016-05-19 11:47:18 -07:00
Linus Torvalds
7beaa24ba4 Small release overall. 
- x86: miscellaneous fixes, AVIC support (local APIC virtualization,
 AMD version)
 
 - s390: polling for interrupts after a VCPU goes to halted state is
 now enabled for s390; use hardware provided information about facility
 bits that do not need any hypervisor activity, and other fixes for
 cpu models and facilities; improve perf output; floating interrupt
 controller improvements.
 
 - MIPS: miscellaneous fixes
 
 - PPC: bugfixes only
 
 - ARM: 16K page size support, generic firmware probing layer for
 timer and GIC
 
 Christoffer Dall (KVM-ARM maintainer) says:
 "There are a few changes in this pull request touching things outside
  KVM, but they should all carry the necessary acks and it made the
  merge process much easier to do it this way."
 
 though actually the irqchip maintainers' acks didn't make it into the
 patches.  Marc Zyngier, who is both irqchip and KVM-ARM maintainer,
 later acked at http://mid.gmane.org/573351D1.4060303@arm.com
 "more formally and for documentation purposes".
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "Small release overall.

  x86:
   - miscellaneous fixes
   - AVIC support (local APIC virtualization, AMD version)

  s390:
   - polling for interrupts after a VCPU goes to halted state is now
     enabled for s390
   - use hardware provided information about facility bits that do not
     need any hypervisor activity, and other fixes for cpu models and
     facilities
   - improve perf output
   - floating interrupt controller improvements.

  MIPS:
   - miscellaneous fixes

  PPC:
   - bugfixes only

  ARM:
   - 16K page size support
   - generic firmware probing layer for timer and GIC

  Christoffer Dall (KVM-ARM maintainer) says:
    "There are a few changes in this pull request touching things
     outside KVM, but they should all carry the necessary acks and it
     made the merge process much easier to do it this way."

  though actually the irqchip maintainers' acks didn't make it into the
  patches.  Marc Zyngier, who is both irqchip and KVM-ARM maintainer,
  later acked at http://mid.gmane.org/573351D1.4060303@arm.com ('more
  formally and for documentation purposes')"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (82 commits)
  KVM: MTRR: remove MSR 0x2f8
  KVM: x86: make hwapic_isr_update and hwapic_irr_update look the same
  svm: Manage vcpu load/unload when enable AVIC
  svm: Do not intercept CR8 when enable AVIC
  svm: Do not expose x2APIC when enable AVIC
  KVM: x86: Introducing kvm_x86_ops.apicv_post_state_restore
  svm: Add VMEXIT handlers for AVIC
  svm: Add interrupt injection via AVIC
  KVM: x86: Detect and Initialize AVIC support
  svm: Introduce new AVIC VMCB registers
  KVM: split kvm_vcpu_wake_up from kvm_vcpu_kick
  KVM: x86: Introducing kvm_x86_ops VCPU blocking/unblocking hooks
  KVM: x86: Introducing kvm_x86_ops VM init/destroy hooks
  KVM: x86: Rename kvm_apic_get_reg to kvm_lapic_get_reg
  KVM: x86: Misc LAPIC changes to expose helper functions
  KVM: shrink halt polling even more for invalid wakeups
  KVM: s390: set halt polling to 80 microseconds
  KVM: halt_polling: provide a way to qualify wakeups during poll
  KVM: PPC: Book3S HV: Re-enable XICS fast path for irqfd-generated interrupts
  kvm: Conditionally register IRQ bypass consumer
  ...
 2016-05-19 11:27:09 -07:00
Russell King
5632a9fbcd Merge branches 'amba', 'devel-stable', 'kexec-for-next' and 'misc' into for-linus 2016-05-19 10:31:35 +01:00
Linus Torvalds
888dae5361 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 
Pull input updates from Dmitry Torokhov:
 "First round of updates for the input subsystem.  No new drivers here,
  just some driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: rotary-encoder - fix bare use of 'unsigned'
  Input: cm109 - spin_lock in complete() cleanup
  Input: cm109 - fix handling of volume and mute buttons
  Input: byd - don't wipe dynamically allocated memory twice
  Input: twl4030 - fix unsafe macro definition
  Input: twl6040-vibra - remove mutex
  Input: bcm_iproc_tsc - DT spelling s/clock-name/clock-names/
  Input: bcm_iproc_tsc - use syscon to access shared registers
  Input: ti_am335x_tsc - use SIMPLE_DEV_PM_OPS
  Input: omap-keypad - remove set_col_gpio_val() and get_row_gpio_val()
  Input: omap-keypad - drop empty PM stubs
  Input: omap-keypad - remove adjusting of scan delay
  Input: gpio-keys - clean up device tree binding example
  Input: kbtab - stop saving struct usb_device
  Input: gtco - stop saving struct usb_device
  Input: aiptek - stop saving struct usb_device
  Input: acecad - stop saving struct usb_device
 2016-05-18 17:12:23 -07:00
Linus Torvalds
4a5219edcd ARM: SoC driver updates for v4.7 
Driver updates for ARM SoCs, these contain various things that touch
 the drivers/ directory but got merged through arm-soc for practical
 reasons. For the most part, this is now related to power management
 controllers, which have not yet been abstracted into a separate
 subsystem, and typically require some code in drivers/soc or arch/arm
 to control the power domains.
 
 Another large chunk here is a rework of the NVIDIA Tegra USB3.0
 support, which was surprisingly tricky and took a long time to
 get done.
 
 Finally, reset controller handling as always gets merged through here
 as well.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs, these contain various things that touch
  the drivers/ directory but got merged through arm-soc for practical
  reasons.

  For the most part, this is now related to power management
  controllers, which have not yet been abstracted into a separate
  subsystem, and typically require some code in drivers/soc or arch/arm
  to control the power domains.

  Another large chunk here is a rework of the NVIDIA Tegra USB3.0
  support, which was surprisingly tricky and took a long time to get
  done.

  Finally, reset controller handling as always gets merged through here
  as well"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (97 commits)
  arm-ccn: Enable building as module
  soc/tegra: pmc: Add generic PM domain support
  usb: xhci: tegra: Add Tegra210 support
  usb: xhci: Add NVIDIA Tegra XUSB controller driver
  dt-bindings: usb: xhci-tegra: Add Tegra210 XUSB controller support
  dt-bindings: usb: Add NVIDIA Tegra XUSB controller binding
  PCI: tegra: Support per-lane PHYs
  dt-bindings: pci: tegra: Update for per-lane PHYs
  phy: tegra: Add Tegra210 support
  phy: Add Tegra XUSB pad controller support
  dt-bindings: phy: tegra-xusb-padctl: Add Tegra210 support
  dt-bindings: phy: Add NVIDIA Tegra XUSB pad controller binding
  phy: core: Allow children node to be overridden
  clk: tegra: Add interface to enable hardware control of SATA/XUSB PLLs
  drivers: firmware: psci: make two helper functions inline
  soc: renesas: rcar-sysc: Add support for R-Car H3 power areas
  soc: renesas: rcar-sysc: Add support for R-Car E2 power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-N power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-W power areas
  soc: renesas: rcar-sysc: Add support for R-Car H2 power areas
  ...
 2016-05-18 13:14:02 -07:00
Linus Torvalds
9797f6b050 ARM: SoC defconfig updates for v4.7 
As usual, a bunch of commits, mostly adding drivers and other options to
 defconfigs.
 
 We are adding three new defconfig files for the newly added 32-bit
 machines (aspeed and mps2), the rest is mainly housekeeping.
 
 The changes outside of arch/arm/config/ are for a Kconfig symbol
 that got renamed.
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC defconfig updates from Arnd Bergmann:
 "As usual, a bunch of commits, mostly adding drivers and other options
  to defconfigs.

  We are adding three new defconfig files for the newly added 32-bit
  machines (aspeed and mps2), the rest is mainly housekeeping.

  The changes outside of arch/arm/config/ are for a Kconfig symbol that
  got renamed"

* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (63 commits)
  ARM: aspeed: adapt defconfigs for new CONFIG_PRINTK_TIME
  ARM: u8500_defconfig: update sensor config
  ARM: u8500_defconfig: remove staging from defconfig
  ARM: multi_v7_defconfig: Remove unused Kconfig option MACH_UX500_DT
  ARM: at91/defconfig: sama5: add CONFIG_FHANDLE
  arm/configs: Add Aspeed defconfig
  arm/configs/multi_v5: Add Aspeed ast2400
  ARM: at91: sama5: Update defconfig
  ARM: imx_v6_v7_defconfig: add CONFIG_MICREL_PHY
  ARM: imx_v6_v7_defconfig: add CONFIG_I2C_GPIO
  ARM: multi_v7: Enable Tegra XUSB controller in defconfig
  ARM: tegra: Enable XUSB controller in defconfig
  ARM: omap2plus_defconfig: Enable PWM and ir-rx51 as loadable modules
  ARM: multi_v7_defconfig: add the Atmel sama5d2-compatible ADC driver
  ARM: multi_v7_defconfig: add the Atmel Audio microphone interface PDMIC
  ARM: multi_v7_defconfig: add Atmel ISI (Image Sensor Interface) driver
  ARM: multi_v7_defconfig: add Atmel watchdog timers
  ARM: multi_v7_defconfig: add HLCDC drivers as modules
  ARM: at91/defconfig: add PDMIC driver to sama5_defconfig
  ARM: at91/defconfig: add HLCDC driver to sama5_defconfig
  ...
 2016-05-18 13:07:57 -07:00
Linus Torvalds
f7df9be067 ARM: DT updates for v4.7 
These are all the updates to device tree files for 32-bit platforms,
 which as usual makes up the bulk of the ARM SoC changes: 462 non-merge
 changesets, 450 files changed, 23340 insertions, 5216 deletions.
 
 The three platforms that are added with the "soc" branch are here as well,
 and we add some related machine files:
 
 - For Aspeed AST2400/AST2500, we get the evaluation platform and
   the Tyan Palmetto POWER8 mainboard that uses the AST2400 BMC
 - For Oxnas 810SE, the Western Digital "My Book World Edition"
   is added as the only platform at the moment.
 - For ARM MPS2, the AN385 (Cortex-M3) and AN399 (Cortex-M7)
   are supported
 
 On the ARM Realview development platform, we now support all machines
 with device tree, previously only the board files were supported, which
 in turn will likely be removed soon.
 
 Qualcomm IPQ4019 is the second generation ARM based "Internet Processor",
 following the IPQ806x that is used in many high-end WiFi routers. This one
 integrates two ath10k wifi radios that were previously on separate chips.
 
 Other boards that got added for existing chips are:
 
 - On Ti OMAP family:
   - Amazon Kindle Fire, first generation, tablet and ebook reader
   - OnRISC Baltos iR 2110 and 3220 embedded industrial PCs
   - TI AM5728 IDK, TI AM3359 ICE-V2, and TI DRA722 Rev C EVM
     development systems
 
 - On Samsung EXYNOS platform:
   - Samsung ARTIK5 evaluation board, see
     https://www.artik.io/modules/overview/artik-5/
 
 - On NXP i.MX platforms:
   - Ka-Ro electronics TX6S-8034, TX6S-8035, TX6U-8033, TX6U-81xx,
     TX6Q-1036, TX6Q-1110/-1130, TXUL-0010 and TXUL-0011 industrial
     SoM modules
   - Embest MarS Board i.MX6Dual DIY platform
   - Boundary Devices i.MX6 Quad Plus Nitrogen6_MAX and
     SoloX Nitrogen6sx embedded boards
   - Technexion Pico i.MX6UL compute module
   - ZII VF610 Development Board
 
 - On Marvell embedded (mvebu, orion, kirkwood) platforms:
   - Linksys Viper (E4200v2 / EA4500) WiFi router
   - Buffalo Kurobox Pro NAS
 
 - On Qualcomm Snapdragon:
   - Arrow DragonBoard 600c (96boards) with APQ8064 Snapdragon 600
 
 - On Rockchips platform:
   - mqmaker MiQi single-board computer
 
 - On Altera SoCFPGA:
   - samtec VIN|ING 1000 vehicle communication interface
 
 - On Allwinner Sunxi platforms:
   - Dserve DSRV9703C tablet
   - Difrnce DIT4350 tablet
   - Colorfly E708 Q1 tablet
   - Polaroid MID2809PXE04 tablet
   - Olimex A20 OLinuXino LIME2 single board computer
   - Xunlong Orange Pi 2, Orange Pi One, and Orange Pi PC
     single board computers
 
 Across many platforms, bug fixes went in to address warnings that
 dtc now emits with 'make dtbs W=1'. Further changes for device enablement
 went into Ti OMAP, bcm283x (Raspberry Pi), bcm47xx (wifi router),
 Ti Davinci, Samsung EXYNOS, Marvell mvebu/kirkwood/orion, NXP i.MX/Vybrid
 NXP LPC18xx, NXP LPC32xx, Renesas shmobile/r-mobile/r-car, Rockchips
 rk3xxx, ST Ux500, ST STi, Atmel AT91/SAMA5, Altera SoCFPGA, Allwinner
 Sunxi, Sigma Designs Tango, NVIDIA Tegra, Socionext Uniphier and ARM
 Versatile Express.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Arnd Bergmann:
 "These are all the updates to device tree files for 32-bit platforms,
  which as usual makes up the bulk of the ARM SoC changes: 462 non-merge
  changesets, 450 files changed, 23340 insertions, 5216 deletions.

  The three platforms that are added with the "soc" branch are here as
  well, and we add some related machine files:

   - For Aspeed AST2400/AST2500, we get the evaluation platform and the
     Tyan Palmetto POWER8 mainboard that uses the AST2400 BMC
   - For Oxnas 810SE, the Western Digital "My Book World Edition" is
     added as the only platform at the moment.
   - For ARM MPS2, the AN385 (Cortex-M3) and AN399 (Cortex-M7) are
     supported

  On the ARM Realview development platform, we now support all machines
  with device tree, previously only the board files were supported,
  which in turn will likely be removed soon.

  Qualcomm IPQ4019 is the second generation ARM based "Internet
  Processor", following the IPQ806x that is used in many high-end WiFi
  routers.  This one integrates two ath10k wifi radios that were
  previously on separate chips.

  Other boards that got added for existing chips are:

  Ti OMAP family:
     - Amazon Kindle Fire, first generation, tablet and ebook reader
     - OnRISC Baltos iR 2110 and 3220 embedded industrial PCs
     - TI AM5728 IDK, TI AM3359 ICE-V2, and TI DRA722 Rev C EVM
       development systems

  Samsung EXYNOS platform:
     - Samsung ARTIK5 evaluation board, see

        https://www.artik.io/modules/overview/artik-5/

  NXP i.MX platforms:
     - Ka-Ro electronics TX6S-8034, TX6S-8035, TX6U-8033, TX6U-81xx,
       TX6Q-1036, TX6Q-1110/-1130, TXUL-0010 and TXUL-0011 industrial
       SoM modules
     - Embest MarS Board i.MX6Dual DIY platform
     - Boundary Devices i.MX6 Quad Plus Nitrogen6_MAX and SoloX
       Nitrogen6sx embedded boards
     - Technexion Pico i.MX6UL compute module
     - ZII VF610 Development Board

  Marvell embedded (mvebu, orion, kirkwood) platforms:
     - Linksys Viper (E4200v2 / EA4500) WiFi router
     - Buffalo Kurobox Pro NAS

  Qualcomm Snapdragon:
     - Arrow DragonBoard 600c (96boards) with APQ8064 Snapdragon 600

  Rockchips platform:
     - mqmaker MiQi single-board computer

  Altera SoCFPGA:
     - samtec VIN|ING 1000 vehicle communication interface

  Allwinner Sunxi platforms:
     - Dserve DSRV9703C tablet
     - Difrnce DIT4350 tablet
     - Colorfly E708 Q1 tablet
     - Polaroid MID2809PXE04 tablet
     - Olimex A20 OLinuXino LIME2 single board computer
     - Xunlong Orange Pi 2, Orange Pi One, and Orange Pi PC single board
       computers

  Across many platforms, bug fixes went in to address warnings that dtc
  now emits with 'make dtbs W=1'.  Further changes for device enablement
  went into Ti OMAP, bcm283x (Raspberry Pi), bcm47xx (wifi router), Ti
  Davinci, Samsung EXYNOS, Marvell mvebu/kirkwood/orion, NXP i.MX/Vybrid
  NXP LPC18xx, NXP LPC32xx, Renesas shmobile/r-mobile/r-car, Rockchips
  rk3xxx, ST Ux500, ST STi, Atmel AT91/SAMA5, Altera SoCFPGA, Allwinner
  Sunxi, Sigma Designs Tango, NVIDIA Tegra, Socionext Uniphier and ARM
  Versatile Express"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (458 commits)
  ARM: dts: tango4: Import watchdog node
  ARM: dts: tango4: Update cpus node for cpufreq
  ARM: dts: tango4: Update DT to match clk driver
  ARM: dts: tango4: Initial thermal support
  arm/dst: Add Aspeed ast2500 device tree
  arm/dts: Add Aspeed ast2400 device tree
  ARM: sun7i: dt: Add pll3 and pll7 clocks
  ARM: dts: sunxi: Add a olinuxino-lime2-emmc
  ARM: dts: at91: sama5d4: add trng node
  ARM: dts: at91: sama5d3: add trng node
  ARM: dts: at91: sama5d2: add trng node
  ARM: dts: at91: at91sam9g45 family: reduce the trng register map size
  ARM: sun4i: dt: Add pll3 and pll7 clocks
  ARM: sun5i: chip: Enable the TV Encoder
  ARM: sun5i: r8: Add display blocks to the DTSI
  ARM: sun5i: a13: Add display and TCON clocks
  ARM: dts: ux500: configure the accelerometers open drain
  ARM: mx5: dts: Enable USB OTG on M53EVK
  ARM: dts: imx6ul-14x14-evk: Add audio support
  ARM: dts: imx6qdl: Remove unneeded unit-addresses
  ...
 2016-05-18 12:48:46 -07:00
Linus Torvalds
9896c7b57e ARM: SoC platform updates for v4.7 
We get support for three new 32-bit SoC platforms this time. The amount
 of changes in arch/arm for any of them is miniscule, as all the
 interesting code is in device driver subsystems (irqchip, clk, pinctrl,
 ...) these days. I'm listing them here, as the addition of the Kconfig
 statement is the main relevant milestone for a new platform. In each
 case, some drivers are are shared with existing platforms, while
 other drivers are added for v4.7 as well, or come in a later release.
 
 - The Aspeed platform is probably the most interesting one, this is
   what most whitebox servers use as their baseboard management
   controller. We get support for the very common ast2400 and ast2500
   SoCs. The OpenBMC project focuses on this chip, and the LWN
   article about their ELC 2016 presentation at
   https://lwn.net/Articles/683320/ triggered the submission, but the
   code comes from IBM's OpenPOWER team rather than the team at
   Facebook. There are still a lot more drivers that need to get added
   over time, and I hope both teams can work together on that.
 
 - OXNAS is an old platform for Network Attached Storage devices
   from Oxford Semiconductor. There are models with ARM10 (!) and
   ARM11MPCore cores, but for now, we only support the original ARM9
   based versions.
   The product lineup was subsequently part of PLX, Avago and now the
   new Broadcom Ltd. https://wiki.openwrt.org/doc/hardware/soc/soc.oxnas
   has some more information.
 
 - V2M-MPS2 is a prototyping platform from ARM for their Cortex-M
   cores and is related to the existing Realview / Versatile Express
   lineup, but without MMU. We now support various NOMMU platforms,
   so adding a new one is fairly straightforward.
   http://infocenter.arm.com/help/topic/com.arm.doc.100112_0100_03_en/
   has detailed information about the platform.
 
 Other noteworthy updates:
 
 - Work on LPC32xx has resumed, and Vladimir Zapolskiy and Sylvain Lemieux
   are now maintaining the platform. This is an older ARM9 based
   platform from NXP (not Freescale), but it remains in use in embedded
   markets.
 
 - Kevin Hilman is now co-maintaining the Amlogic Meson platform for both
   32-bit and 64-bit ARM, and started contributing some patches.
 
 - As is often the case, work on the OMAP platforms makes up the bulk of
   the actual SoC code changes in arch/arm, but there isn't a lot of
   that either.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "We get support for three new 32-bit SoC platforms this time.

  The amount of changes in arch/arm for any of them is miniscule, as all
  the interesting code is in device driver subsystems (irqchip, clk,
  pinctrl, ...) these days.  I'm listing them here, as the addition of
  the Kconfig statement is the main relevant milestone for a new
  platform.  In each case, some drivers are are shared with existing
  platforms, while other drivers are added for v4.7 as well, or come in
  a later release.

   - The Aspeed platform is probably the most interesting one, this is
     what most whitebox servers use as their baseboard management
     controller.  We get support for the very common ast2400 and ast2500
     SoCs.  The OpenBMC project focuses on this chip, and the LWN
     article about their ELC 2016 presentation at

        https://lwn.net/Articles/683320/

     triggered the submission, but the code comes from IBM's OpenPOWER
     team rather than the team at Facebook.  There are still a lot more
     drivers that need to get added over time, and I hope both teams can
     work together on that.

   - OXNAS is an old platform for Network Attached Storage devices from
     Oxford Semiconductor.  There are models with ARM10 (!) and
     ARM11MPCore cores, but for now, we only support the original ARM9
     based versions.  The product lineup was subsequently part of PLX,
     Avago and now the new Broadcom Ltd.

        https://wiki.openwrt.org/doc/hardware/soc/soc.oxnas

     has some more information.

   - V2M-MPS2 is a prototyping platform from ARM for their Cortex-M
     cores and is related to the existing Realview / Versatile Express
     lineup, but without MMU.

     We now support various NOMMU platforms, so adding a new one is
     fairly straightforward.

        http://infocenter.arm.com/help/topic/com.arm.doc.100112_0100_03_en/

     has detailed information about the platform.

  Other noteworthy updates:

   - Work on LPC32xx has resumed, and Vladimir Zapolskiy and Sylvain
     Lemieux are now maintaining the platform.

     This is an older ARM9 based platform from NXP (not Freescale), but
     it remains in use in embedded markets.

   - Kevin Hilman is now co-maintaining the Amlogic Meson platform for
     both 32-bit and 64-bit ARM, and started contributing some patches.

   - As is often the case, work on the OMAP platforms makes up the bulk
     of the actual SoC code changes in arch/arm, but there isn't a lot
     of that either"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
  MAINTAINERS: ARM/Amlogic: add co-maintainer, misc. updates
  MAINTAINERS: add ARM/NXP LPC32XX SoC specific drivers to the section
  MAINTAINERS: add new maintainers of NXP LPC32xx SoC
  MAINTAINERS: move ARM/NXP LPC32xx record to ARM section
  arm: Add Aspeed machine
  ARM: lpc32xx: remove duplicate const on lpc32xx_auxdata_lookup
  ARM: lpc32xx: remove leftovers of legacy clock source and provider drivers
  ARM: lpc32xx: remove reboot header file
  ARM: dove: Remove CLK_IS_ROOT
  ARM: orion5x: Remove CLK_IS_ROOT
  ARM: mv78xx0: Remove CLK_IS_ROOT
  ARM: davinci: da850: use clk->set_parent for async3
  ARM: davinci: Move clock init after ioremap.
  MAINTAINERS: Update ARM Versatile Express platform entry
  ARM: vexpress/mps2: introduce MPS2 platform
  MAINTAINERS: add maintainer entry for ARM/OXNAS platform
  ARM: Add new mach-oxnas
  irqchip: versatile-fpga: add new compatible for OX810SE SoC
  ARM: uniphier: correct the call order of of_node_put()
  MAINTAINERS: fix stale TI DaVinci entries
  ...
 2016-05-18 12:35:46 -07:00
Linus Torvalds
f2b1e0f638 ARM: SoC cleanups and fixes for v4.7 
Traditionally we've had two separate branches for cleanups and non-critical
 bug fixes, but both of these got smaller with each release and the differences
 are rather unclear now, so it seems more appropriate to have a combined
 branch.
 
 The most notably change is for OMAP, which gets a small rework to simplify
 handling of the AUXDATA mechanism used on machines that are not completely
 DT based yet, along with other work that is used as preparation for dropping
 the legacy board files.
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Merge tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups and fixes from Arnd Bergmann:
 "Traditionally we've had two separate branches for cleanups and
  non-critical bug fixes, but both of these got smaller with each
  release and the differences are rather unclear now, so it seems more
  appropriate to have a combined branch.

  The most notable change is for OMAP, which gets a small rework to
  simplify handling of the AUXDATA mechanism used on machines that are
  not completely DT based yet, along with other work that is used as
  preparation for dropping the legacy board files"

* tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: exynos: Add interrupt line to MAX8997 PMIC on exynos4210-trats
  ARM: dts: exynos: Fix regulator name to avoid forbidden character on exynos4210-trats
  ARM: dts: exynos: Add MFC memory banks for Peach boards
  ARM: OMAP2+: n900 needs MMC slot names for legacy user space
  ARM: OMAP2+: Add more functions to pwm pdata for ir-rx51
  ARM: debug: remove extraneous DEBUG_HI3716_UART option
  ARM: OMAP2+: Simplify auxdata by using the generic match
  of/platform: Allow secondary compatible match in of_dev_lookup
  ARM: davinci: use IRQCHIP_DECLARE for cp_intc
  ARM: davinci: remove unused DA8XX_NUM_UARTS
  ARM: davinci: simplify call to of populate
  ARM: DaVinci USB: removed deprecated properties from MUSB config
  ARM: rockchip: Fix use of plain integer as NULL pointer
  ARM: realview: hide unused 'pmu_device' object
  soc: versatile: dynamically detect RealView HBI numbers
 2016-05-18 12:28:29 -07:00
Linus Torvalds
a7fd20d1c4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from David Miller:
 "Highlights:

   1) Support SPI based w5100 devices, from Akinobu Mita.

   2) Partial Segmentation Offload, from Alexander Duyck.

   3) Add GMAC4 support to stmmac driver, from Alexandre TORGUE.

   4) Allow cls_flower stats offload, from Amir Vadai.

   5) Implement bpf blinding, from Daniel Borkmann.

   6) Optimize _ASYNC_ bit twiddling on sockets, unless the socket is
      actually using FASYNC these atomics are superfluous.  From Eric
      Dumazet.

   7) Run TCP more preemptibly, also from Eric Dumazet.

   8) Support LED blinking, EEPROM dumps, and rxvlan offloading in mlx5e
      driver, from Gal Pressman.

   9) Allow creating ppp devices via rtnetlink, from Guillaume Nault.

  10) Improve BPF usage documentation, from Jesper Dangaard Brouer.

  11) Support tunneling offloads in qed, from Manish Chopra.

  12) aRFS offloading in mlx5e, from Maor Gottlieb.

  13) Add RFS and RPS support to SCTP protocol, from Marcelo Ricardo
      Leitner.

  14) Add MSG_EOR support to TCP, this allows controlling packet
      coalescing on application record boundaries for more accurate
      socket timestamp sampling.  From Martin KaFai Lau.

  15) Fix alignment of 64-bit netlink attributes across the board, from
      Nicolas Dichtel.

  16) Per-vlan stats in bridging, from Nikolay Aleksandrov.

  17) Several conversions of drivers to ethtool ksettings, from Philippe
      Reynes.

  18) Checksum neutral ILA in ipv6, from Tom Herbert.

  19) Factorize all of the various marvell dsa drivers into one, from
      Vivien Didelot

  20) Add VF support to qed driver, from Yuval Mintz"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1649 commits)
  Revert "phy dp83867: Fix compilation with CONFIG_OF_MDIO=m"
  Revert "phy dp83867: Make rgmii parameters optional"
  r8169: default to 64-bit DMA on recent PCIe chips
  phy dp83867: Make rgmii parameters optional
  phy dp83867: Fix compilation with CONFIG_OF_MDIO=m
  bpf: arm64: remove callee-save registers use for tmp registers
  asix: Fix offset calculation in asix_rx_fixup() causing slow transmissions
  switchdev: pass pointer to fib_info instead of copy
  net_sched: close another race condition in tcf_mirred_release()
  tipc: fix nametable publication field in nl compat
  drivers: net: Don't print unpopulated net_device name
  qed: add support for dcbx.
  ravb: Add missing free_irq() calls to ravb_close()
  qed: Remove a stray tab
  net: ethernet: fec-mpc52xx: use phy_ethtool_{get|set}_link_ksettings
  net: ethernet: fec-mpc52xx: use phydev from struct net_device
  bpf, doc: fix typo on bpf_asm descriptions
  stmmac: hardware TX COE doesn't work when force_thresh_dma_mode is set
  net: ethernet: fs-enet: use phy_ethtool_{get|set}_link_ksettings
  net: ethernet: fs-enet: use phydev from struct net_device
  ...
 2016-05-17 16:26:30 -07:00
Linus Torvalds
ede40902cf Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull irq updates from Thomas Gleixner:
 "This update delivers:

   - Yet another interrupt chip diver (LPC32xx)
   - Core functions to handle partitioned per-cpu interrupts
   - Enhancements to the IPI core
   - Proper handling of irq type configuration
   - A large set of ARM GIC enhancements
   - The usual pile of small fixes, cleanups and enhancements"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
  irqchip/bcm2836: Use a more generic memory barrier call
  irqchip/bcm2836: Fix compiler warning on 64-bit build
  irqchip/bcm2836: Drop smp_set_ops on arm64 builds
  irqchip/gic: Add helper functions for GIC setup and teardown
  irqchip/gic: Store GIC configuration parameters
  irqchip/gic: Pass GIC pointer to save/restore functions
  irqchip/gic: Return an error if GIC initialisation fails
  irqchip/gic: Remove static irq_chip definition for eoimode1
  irqchip/gic: Don't initialise chip if mapping IO space fails
  irqchip/gic: WARN if setting the interrupt type for a PPI fails
  irqchip/gic: Don't unnecessarily write the IRQ configuration
  irqchip: Mask the non-type/sense bits when translating an IRQ
  genirq: Ensure IRQ descriptor is valid when setting-up the IRQ
  irqchip/gic-v3: Configure all interrupts as non-secure Group-1
  irqchip/gic-v2m: Add workaround for Broadcom NS2 GICv2m erratum
  irqchip/irq-alpine-msi: Don't use <asm-generic/msi.h>
  irqchip/mbigen: Checking for IS_ERR() instead of NULL
  irqchip/gic-v3: Remove inexistant register definition
  irqchip/gicv3-its: Don't allow devices whose ID is outside range
  irqchip: Add LPC32xx interrupt controller driver
  ...
 2016-05-17 10:27:29 -07:00
Linus Torvalds
9a07a79684 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 
Pull crypto update from Herbert Xu:
 "API:

   - Crypto self tests can now be disabled at boot/run time.
   - Add async support to algif_aead.

  Algorithms:

   - A large number of fixes to MPI from Nicolai Stange.
   - Performance improvement for HMAC DRBG.

  Drivers:

   - Use generic crypto engine in omap-des.
   - Merge ppc4xx-rng and crypto4xx drivers.
   - Fix lockups in sun4i-ss driver by disabling IRQs.
   - Add DMA engine support to ccp.
   - Reenable talitos hash algorithms.
   - Add support for Hisilicon SoC RNG.
   - Add basic crypto driver for the MXC SCC.

  Others:

   - Do not allocate crypto hash tfm in NORECLAIM context in ecryptfs"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (77 commits)
  crypto: qat - change the adf_ctl_stop_devices to void
  crypto: caam - fix caam_jr_alloc() ret code
  crypto: vmx - comply with ABIs that specify vrsave as reserved.
  crypto: testmgr - Add a flag allowing the self-tests to be disabled at runtime.
  crypto: ccp - constify ccp_actions structure
  crypto: marvell/cesa - Use dma_pool_zalloc
  crypto: qat - make adf_vf_isr.c dependant on IOV config
  crypto: qat - Fix typo in comments
  lib: asn1_decoder - add MODULE_LICENSE("GPL")
  crypto: omap-sham - Use dma_request_chan() for requesting DMA channel
  crypto: omap-des - Use dma_request_chan() for requesting DMA channel
  crypto: omap-aes - Use dma_request_chan() for requesting DMA channel
  crypto: omap-des - Integrate with the crypto engine framework
  crypto: s5p-sss - fix incorrect usage of scatterlists api
  crypto: s5p-sss - Fix missed interrupts when working with 8 kB blocks
  crypto: s5p-sss - Use common BIT macro
  crypto: mxc-scc - fix unwinding in mxc_scc_crypto_register()
  crypto: mxc-scc - signedness bugs in mxc_scc_ablkcipher_req_init()
  crypto: talitos - fix ahash algorithms registration
  crypto: ccp - Ensure all dependencies are specified
  ...
 2016-05-17 09:33:39 -07:00
Arnd Bergmann
2e629ebc24 Merge branches 'next/cleanup' and 'next/fixes-non-critical' into next/cleanups-fixes 
This is a merge of the cleanup and fixes-non-critical branches for the 4.7
merge window. It seems more appropriate to send a single pull request
for these than two separate ones, as both branches really contain both
fixes and cleanups.

* next/cleanup:
  ARM: debug: remove extraneous DEBUG_HI3716_UART option
  ARM: davinci: use IRQCHIP_DECLARE for cp_intc
  ARM: davinci: remove unused DA8XX_NUM_UARTS
  ARM: davinci: simplify call to of populate
  ARM: DaVinci USB: removed deprecated properties from MUSB config
  ARM: rockchip: Fix use of plain integer as NULL pointer
  ARM: realview: hide unused 'pmu_device' object
  soc: versatile: dynamically detect RealView HBI numbers

* next/fixes-non-critical:
  ARM: dts: exynos: Add interrupt line to MAX8997 PMIC on exynos4210-trats
  ARM: dts: exynos: Fix regulator name to avoid forbidden character on exynos4210-trats
  ARM: dts: exynos: Add MFC memory banks for Peach boards
  ARM: OMAP2+: n900 needs MMC slot names for legacy user space
  ARM: OMAP2+: Add more functions to pwm pdata for ir-rx51
  ARM: EXYNOS: Properly skip unitialized parent clock in power domain on
  ARM: OMAP2+: Simplify auxdata by using the generic match
  of/platform: Allow secondary compatible match in of_dev_lookup
 2016-05-17 15:06:31 +02:00
Vinod Koul
56214883c5 Merge branch 'topic/dw' into for-linus 2016-05-17 10:14:16 +05:30
Linus Torvalds
16490980e3 Generic device properties framework update for v4.7-rc1 
Just one commit reworking the handling of built-in properties
 initialization and updating a few drivers in accordance with the
 core framework changes.
 
 /
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Merge tag 'device-properties-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull device properties update from Rafael Wysocki:
 "Generic device properties framework update.

  Just one commit reworking the handling of built-in properties
  initialization and updating a few drivers in accordance with the core
  framework changes"

* tag 'device-properties-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  device property: don't bother the drivers with struct property_set
 2016-05-16 19:51:04 -07:00
Linus Torvalds
d57d394319 Power management material for v4.7-rc1 
- New cpufreq "schedutil" governor (making decisions based on CPU
    utilization information provided by the scheduler and capable of
    switching CPU frequencies right away if the underlying driver
    supports that) and support for fast frequency switching in the
    acpi-cpufreq driver (Rafael Wysocki).
 
  - Consolidation of CPU frequency management on ARM platforms allowing
    them to get rid of some platform-specific boilerplate code if they
    are going to use the cpufreq-dt driver (Viresh Kumar, Finley Xiao,
    Marc Gonzalez).
 
  - Support for ACPI _PPC and CPU frequency limits in the intel_pstate
    driver (Srinivas Pandruvada).
 
  - Fixes and cleanups in the cpufreq core and generic governor code
    (Rafael Wysocki, Sai Gurrappadi).
 
  - intel_pstate driver optimizations and cleanups (Rafael Wysocki,
    Philippe Longepe, Chen Yu, Joe Perches).
 
  - cpufreq powernv driver fixes and cleanups (Akshay Adiga, Shilpasri
    Bhat).
 
  - cpufreq qoriq driver fixes and cleanups (Jia Hongtao).
 
  - ACPI cpufreq driver cleanups (Viresh Kumar).
 
  - Assorted cpufreq driver updates (Ashwin Chaugule, Geliang Tang,
    Javier Martinez Canillas, Paul Gortmaker, Sudeep Holla).
 
  - Assorted cpufreq fixes and cleanups (Joe Perches, Arnd Bergmann).
 
  - Fixes and cleanups in the OPP (Operating Performance Points)
    framework, mostly related to OPP sharing, and reorganization of
    OF-dependent code in it (Viresh Kumar, Arnd Bergmann, Sudeep Holla).
 
  - New "passive" governor for devfreq (for SoC subsystems that will
    rely on someone else for the management of their power resources)
    and consolidation of devfreq support for Exynos platforms, coding
    style and typo fixes for devfreq (Chanwoo Choi, MyungJoo Ham).
 
  - PM core fixes and cleanups, mostly to make it work better with the
    generic power domains (genpd) framework, and updates for that
    framework (Ulf Hansson, Thierry Reding, Colin Ian King).
 
  - Intel Broxton support for the intel_idle driver (Len Brown).
 
  - cpuidle core optimization and fix (Daniel Lezcano, Dave Gerlach).
 
  - ARM cpuidle cleanups (Jisheng Zhang).
 
  - Intel Kabylake support for the RAPL power capping driver (Jacob Pan).
 
  - AVS (Adaptive Voltage Switching) rockchip-io driver update (Heiko
    Stuebner).
 
  - Updates for the cpupower tool (Arjun Sreedharan, Colin Ian King,
    Mattia Dongili, Thomas Renninger).
 
 /
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Merge tag 'pm-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "The majority of changes go into the cpufreq subsystem this time.

  To me, quite obviously, the biggest ticket item is the new "schedutil"
  governor.  Interestingly enough, it's the first new cpufreq governor
  since the beginning of the git era (except for some out-of-the-tree
  ones).

  There are two main differences between it and the existing governors.
  First, it uses the information provided by the scheduler directly for
  making its decisions, so it doesn't have to track anything by itself.
  Second, it can invoke drivers (supporting that feature) to adjust CPU
  performance right away without having to spawn work items to be
  executed in process context or similar.  Currently, the acpi-cpufreq
  driver is the only one supporting that mode of operation, but then it
  is used on a large number of systems.

  The "schedutil" governor as included here is very simple and mostly
  regarded as a foundation for future work on the integration of the
  scheduler with CPU power management (in fact, there is work in
  progress on top of it already).  Nevertheless it works and the
  preliminary results obtained with it are encouraging.

  There also is some consolidation of CPU frequency management for ARM
  platforms that can add their machine IDs the the new stub dt-platdev
  driver now and that will take care of creating the requisite platform
  device for cpufreq-dt, so it is not necessary to do that in platform
  code any more.  Several ARM platforms are switched over to using this
  generic mechanism.

  In addition to that, the intel_pstate driver is now going to respect
  CPU frequency limits set by the platform firmware (or a BMC) and
  provided via the ACPI _PPC object.

  The devfreq subsystem is getting a new "passive" governor for SoCs
  subsystems that will depend on somebody else to manage their voltage
  rails and its support for Samsung Exynos SoCs is consolidated.

  The rest is support for new hardware (Intel Broxton support in
  intel_idle for one example), bug fixes, optimizations and cleanups in
  a number of places.

  Specifics:

   - New cpufreq "schedutil" governor (making decisions based on CPU
     utilization information provided by the scheduler and capable of
     switching CPU frequencies right away if the underlying driver
     supports that) and support for fast frequency switching in the
     acpi-cpufreq driver (Rafael Wysocki)

   - Consolidation of CPU frequency management on ARM platforms allowing
     them to get rid of some platform-specific boilerplate code if they
     are going to use the cpufreq-dt driver (Viresh Kumar, Finley Xiao,
     Marc Gonzalez)

   - Support for ACPI _PPC and CPU frequency limits in the intel_pstate
     driver (Srinivas Pandruvada)

   - Fixes and cleanups in the cpufreq core and generic governor code
     (Rafael Wysocki, Sai Gurrappadi)

   - intel_pstate driver optimizations and cleanups (Rafael Wysocki,
     Philippe Longepe, Chen Yu, Joe Perches)

   - cpufreq powernv driver fixes and cleanups (Akshay Adiga, Shilpasri
     Bhat)

   - cpufreq qoriq driver fixes and cleanups (Jia Hongtao)

   - ACPI cpufreq driver cleanups (Viresh Kumar)

   - Assorted cpufreq driver updates (Ashwin Chaugule, Geliang Tang,
     Javier Martinez Canillas, Paul Gortmaker, Sudeep Holla)

   - Assorted cpufreq fixes and cleanups (Joe Perches, Arnd Bergmann)

   - Fixes and cleanups in the OPP (Operating Performance Points)
     framework, mostly related to OPP sharing, and reorganization of
     OF-dependent code in it (Viresh Kumar, Arnd Bergmann, Sudeep Holla)

   - New "passive" governor for devfreq (for SoC subsystems that will
     rely on someone else for the management of their power resources)
     and consolidation of devfreq support for Exynos platforms, coding
     style and typo fixes for devfreq (Chanwoo Choi, MyungJoo Ham)

   - PM core fixes and cleanups, mostly to make it work better with the
     generic power domains (genpd) framework, and updates for that
     framework (Ulf Hansson, Thierry Reding, Colin Ian King)

   - Intel Broxton support for the intel_idle driver (Len Brown)

   - cpuidle core optimization and fix (Daniel Lezcano, Dave Gerlach)

   - ARM cpuidle cleanups (Jisheng Zhang)

   - Intel Kabylake support for the RAPL power capping driver (Jacob
     Pan)

   - AVS (Adaptive Voltage Switching) rockchip-io driver update (Heiko
     Stuebner)

   - Updates for the cpupower tool (Arjun Sreedharan, Colin Ian King,
     Mattia Dongili, Thomas Renninger)"

* tag 'pm-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (112 commits)
  intel_pstate: Clean up get_target_pstate_use_performance()
  intel_pstate: Use sample.core_avg_perf in get_avg_pstate()
  intel_pstate: Clarify average performance computation
  intel_pstate: Avoid unnecessary synchronize_sched() during initialization
  cpufreq: schedutil: Make default depend on CONFIG_SMP
  cpufreq: powernv: del_timer_sync when global and local pstate are equal
  cpufreq: powernv: Move smp_call_function_any() out of irq safe block
  intel_pstate: Clean up intel_pstate_get()
  cpufreq: schedutil: Make it depend on CONFIG_SMP
  cpufreq: governor: Fix handling of special cases in dbs_update()
  PM / OPP: Move CONFIG_OF dependent code in a separate file
  cpufreq: intel_pstate: Ignore _PPC processing under HWP
  cpufreq: arm_big_little: use generic OPP functions for {init, free}_opp_table
  PM / OPP: add non-OF versions of dev_pm_opp_{cpumask_, }remove_table
  cpufreq: tango: Use generic platdev driver
  PM / OPP: pass cpumask by reference
  cpufreq: Fix GOV_LIMITS handling for the userspace governor
  cpupower: fix potential memory leak
  PM / devfreq: style/typo fixes
  PM / devfreq: exynos: Add the detailed correlation for Exynos5422 bus
  ..
 2016-05-16 19:17:22 -07:00
Linus Torvalds
3e21e5dda4 MMC core: 
- Add TRACE support to be able to debug request flow
  - Extend/improve reset support for (e)MMC
  - Convert MMC pwrseq to platform device drivers
  - Use IDA for indexes
  - Some additional minor improvements
 
 MMC host:
  - sdhci: Re-factoring, clean-ups and improvements
  - sdhci-acpi|pci: Use MMC_CAP_AGGRESSIVE_PM for Broxton
  - omap/omap_hsmmc: Convert to use dma_request_chan()
  - usdhi6rol0: Add support for UHS modes
  - sh_mmcif: Update runtime PM support
  - tmio: Wolfram Sang steps in as maintainer
  - tmio: Add UHS-I mode support
  - sh_mobile_sdhi: Add UHS-I mode support
  - tmio/sdhi: Re-factoring, clean-ups and improvements
  - dw_mmc: Re-factoring and clean-ups
  - davinci: Convert to use dma_request_chan()
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Merge tag 'mmc-v4.7' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Add TRACE support to be able to debug request flow
   - Extend/improve reset support for (e)MMC
   - Convert MMC pwrseq to platform device drivers
   - Use IDA for indexes
   - Some additional minor improvements

  MMC host:
   - sdhci: Re-factoring, clean-ups and improvements
   - sdhci-acpi|pci: Use MMC_CAP_AGGRESSIVE_PM for Broxton
   - omap/omap_hsmmc: Convert to use dma_request_chan()
   - usdhi6rol0: Add support for UHS modes
   - sh_mmcif: Update runtime PM support
   - tmio: Wolfram Sang steps in as maintainer
   - tmio: Add UHS-I mode support
   - sh_mobile_sdhi: Add UHS-I mode support
   - tmio/sdhi: Re-factoring, clean-ups and improvements
   - dw_mmc: Re-factoring and clean-ups
   - davinci: Convert to use dma_request_chan()"

* tag 'mmc-v4.7' of git://git.linaro.org/people/ulf.hansson/mmc: (99 commits)
  mmc: mmc: Fix partition switch timeout for some eMMCs
  mmc: sh_mobile_sdhi: enable SDIO IRQs for RCar Gen3
  mmc: sdio: fall back to SDIO 1.0 for broken 1.1 cards
  mmc: sdhci-st: correct name of sd-uhs-sdr50 property
  MAINTAINERS: update entry for TMIO MMC driver
  mmc: block: improve logging of handling emmc timeouts
  mmc: sdhci: removed unneeded function wrappers
  mmc: core: remove the invalid message in mmc_select_timing
  mmc: core: fix using wrong io voltage if mmc_select_hs200 fails
  mmc: sdhci-of-arasan: fix set_clock when a phy is supported
  mmc: omap: Use dma_request_chan() for requesting DMA channel
  mmc: mmc: Attempt to flush cache before reset
  mmc: sh_mobile_sdhi: check return value when changing clk
  mmc: sh_mobile_sdhi: only change the clock on RCar Gen2+
  mmc: tmio/sdhi: introduce flag for RCar 2+ specific features
  mmc: sh_mobile_sdhi: make clk_update function more compact
  mmc: omap_hsmmc: Use dma_request_chan() for requesting DMA channel
  mmc: sdhci-of-at91: add presets setup
  mmc: usdhi6rol0: add pinctrl to set pin drive strength
  mmc: usdhi6rol0: add support for UHS modes
  ...
 2016-05-16 19:10:40 -07:00
Linus Torvalds
1cc3880a3c * Altera Arria10 L2 cache and On-Chip RAM ECC handling. (Thor Thayer) 
* Remove ad-hoc buffering of MCE records in sb_edac and i7core_edac. (Tony Luck)
 
 * Do not register sb_edac with pci_register_driver(). (Tony Luck)
 
 * Add support for Skylake to ie31200_edac. (Jason Baron)
 
 * Do not register amd64_edac with pci_register_driver(). (Borislav Petkov)
 
 + the usual round of cleanups and fixes all over the place.
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Merge tag 'edac_for_4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC updates from Borislav Petkov:
 "It was pretty busy in EDAC land this time:

   - Altera Arria10 L2 cache and On-Chip RAM ECC handling (Thor Thayer)

   - Remove ad-hoc buffering of MCE records in sb_edac and i7core_edac
     (Tony Luck)

   - Do not register sb_edac with pci_register_driver() (Tony Luck)

   - Add support for Skylake to ie31200_edac (Jason Baron)

   - Do not register amd64_edac with pci_register_driver() (Borislav
     Petkov)

  ... plus the usual round of cleanups and fixes all over the place"

* tag 'edac_for_4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (25 commits)
  EDAC, amd64_edac: Drop pci_register_driver() use
  EDAC, ie31200_edac: Add Skylake support
  EDAC, sb_edac: Use cpu family/model in driver detection
  EDAC, i7core: Remove double buffering of error records
  EDAC, amd64_edac: Issue driver banner only on success
  ARM: socfpga: Initialize Arria10 OCRAM ECC on startup
  EDAC: Increment correct counter in edac_inc_ue_error()
  EDAC, sb_edac: Remove double buffering of error records
  EDAC: Fix used after kfree() error in edac_unregister_sysfs()
  EDAC, altera: Avoid unused function warnings
  EDAC, altera: Remove useless casts
  ARM: socfpga: Enable Arria10 OCRAM ECC on startup
  EDAC, altera: Add Arria10 OCRAM ECC support
  Documentation: dt: socfpga: Add Altera Arria10 OCRAM binding
  EDAC, altera: Make OCRAM ECC dependency check generic
  EDAC, altera: Add register offset for ECC Enable
  EDAC, altera: Extract error inject operations to a struct fops
  ARM: socfpga: Enable Arria10 L2 cache ECC on startup
  EDAC, altera: Add Arria10 L2 Cache ECC handling
  Documentation, dt, socfpga: Add Altera Arria10 L2 cache binding
  ...
 2016-05-16 18:44:39 -07:00
Linus Torvalds
be092017b6 arm64 updates for 4.7: 
- virt_to_page/page_address optimisations
 
 - Support for NUMA systems described using device-tree
 
 - Support for hibernate/suspend-to-disk
 
 - Proper support for maxcpus= command line parameter
 
 - Detection and graceful handling of AArch64-only CPUs
 
 - Miscellaneous 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:

 - virt_to_page/page_address optimisations

 - support for NUMA systems described using device-tree

 - support for hibernate/suspend-to-disk

 - proper support for maxcpus= command line parameter

 - detection and graceful handling of AArch64-only CPUs

 - miscellaneous cleanups and non-critical fixes

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (92 commits)
  arm64: do not enforce strict 16 byte alignment to stack pointer
  arm64: kernel: Fix incorrect brk randomization
  arm64: cpuinfo: Missing NULL terminator in compat_hwcap_str
  arm64: secondary_start_kernel: Remove unnecessary barrier
  arm64: Ensure pmd_present() returns false after pmd_mknotpresent()
  arm64: Replace hard-coded values in the pmd/pud_bad() macros
  arm64: Implement pmdp_set_access_flags() for hardware AF/DBM
  arm64: Fix typo in the pmdp_huge_get_and_clear() definition
  arm64: mm: remove unnecessary EXPORT_SYMBOL_GPL
  arm64: always use STRICT_MM_TYPECHECKS
  arm64: kvm: Fix kvm teardown for systems using the extended idmap
  arm64: kaslr: increase randomization granularity
  arm64: kconfig: drop CONFIG_RTC_LIB dependency
  arm64: make ARCH_SUPPORTS_DEBUG_PAGEALLOC depend on !HIBERNATION
  arm64: hibernate: Refuse to hibernate if the boot cpu is offline
  arm64: kernel: Add support for hibernate/suspend-to-disk
  PM / Hibernate: Call flush_icache_range() on pages restored in-place
  arm64: Add new asm macro copy_page
  arm64: Promote KERNEL_START/KERNEL_END definitions to a header file
  arm64: kernel: Include _AC definition in page.h
  ...
 2016-05-16 17:17:24 -07:00
Linus Torvalds
825a3b2605 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull scheduler updates from Ingo Molnar:

 - massive CPU hotplug rework (Thomas Gleixner)

 - improve migration fairness (Peter Zijlstra)

 - CPU load calculation updates/cleanups (Yuyang Du)

 - cpufreq updates (Steve Muckle)

 - nohz optimizations (Frederic Weisbecker)

 - switch_mm() micro-optimization on x86 (Andy Lutomirski)

 - ... lots of other enhancements, fixes and cleanups.

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (66 commits)
  ARM: Hide finish_arch_post_lock_switch() from modules
  sched/core: Provide a tsk_nr_cpus_allowed() helper
  sched/core: Use tsk_cpus_allowed() instead of accessing ->cpus_allowed
  sched/loadavg: Fix loadavg artifacts on fully idle and on fully loaded systems
  sched/fair: Correct unit of load_above_capacity
  sched/fair: Clean up scale confusion
  sched/nohz: Fix affine unpinned timers mess
  sched/fair: Fix fairness issue on migration
  sched/core: Kill sched_class::task_waking to clean up the migration logic
  sched/fair: Prepare to fix fairness problems on migration
  sched/fair: Move record_wakee()
  sched/core: Fix comment typo in wake_q_add()
  sched/core: Remove unused variable
  sched: Make hrtick_notifier an explicit call
  sched/fair: Make ilb_notifier an explicit call
  sched/hotplug: Make activate() the last hotplug step
  sched/hotplug: Move migration CPU_DYING to sched_cpu_dying()
  sched/migration: Move CPU_ONLINE into scheduler state
  sched/migration: Move calc_load_migrate() into CPU_DYING
  sched/migration: Move prepare transition to SCHED_STARTING state
  ...
 2016-05-16 14:47:16 -07:00
Linus Torvalds
36db171cc7 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull perf updates from Ingo Molnar:
 "Bigger kernel side changes:

   - Add backwards writing capability to the perf ring-buffer code,
     which is preparation for future advanced features like robust
     'overwrite support' and snapshot mode.  (Wang Nan)

   - Add pause and resume ioctls for the perf ringbuffer (Wang Nan)

   - x86 Intel cstate code cleanups and reorgnization (Thomas Gleixner)

   - x86 Intel uncore and CPU PMU driver updates (Kan Liang, Peter
     Zijlstra)

   - x86 AUX (Intel PT) related enhancements and updates (Alexander
     Shishkin)

   - x86 MSR PMU driver enhancements and updates (Huang Rui)

   - ... and lots of other changes spread out over 40+ commits.

  Biggest tooling side changes:

   - 'perf trace' features and enhancements.  (Arnaldo Carvalho de Melo)

   - BPF tooling updates (Wang Nan)

   - 'perf sched' updates (Jiri Olsa)

   - 'perf probe' updates (Masami Hiramatsu)

   - ... plus 200+ other enhancements, fixes and cleanups to tools/

  The merge commits, the shortlog and the changelogs contain a lot more
  details"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (249 commits)
  perf/core: Disable the event on a truncated AUX record
  perf/x86/intel/pt: Generate PMI in the STOP region as well
  perf buildid-cache: Use lsdir() for looking up buildid caches
  perf symbols: Use lsdir() for the search in kcore cache directory
  perf tools: Use SBUILD_ID_SIZE where applicable
  perf tools: Fix lsdir to set errno correctly
  perf trace: Move seccomp args beautifiers to tools/perf/trace/beauty/
  perf trace: Move flock op beautifier to tools/perf/trace/beauty/
  perf build: Add build-test for debug-frame on arm/arm64
  perf build: Add build-test for libunwind cross-platforms support
  perf script: Fix export of callchains with recursion in db-export
  perf script: Fix callchain addresses in db-export
  perf script: Fix symbol insertion behavior in db-export
  perf symbols: Add dso__insert_symbol function
  perf scripting python: Use Py_FatalError instead of die()
  perf tools: Remove xrealloc and ALLOC_GROW
  perf help: Do not use ALLOC_GROW in add_cmd_list
  perf pmu: Make pmu_formats_string to check return value of strbuf
  perf header: Make topology checkers to check return value of strbuf
  perf tools: Make alias handler to check return value of strbuf
  ...
 2016-05-16 14:08:43 -07:00
Linus Torvalds
49817c3343 Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull EFI updates from Ingo Molnar:
 "The main changes in this cycle were:

   - Drop the unused EFI_SYSTEM_TABLES efi.flags bit and ensure the
     ARM/arm64 EFI System Table mapping is read-only (Ard Biesheuvel)

   - Add a comment to explain that one of the code paths in the x86/pat
     code is only executed for EFI boot (Matt Fleming)

   - Improve Secure Boot status checks on arm64 and handle unexpected
     errors (Linn Crosetto)

   - Remove the global EFI memory map variable 'memmap' as the same
     information is already available in efi::memmap (Matt Fleming)

   - Add EFI Memory Attribute table support for ARM/arm64 (Ard
     Biesheuvel)

   - Add EFI GOP framebuffer support for ARM/arm64 (Ard Biesheuvel)

   - Add EFI Bootloader Control driver for storing reboot(2) data in EFI
     variables for consumption by bootloaders (Jeremy Compostella)

   - Add Core EFI capsule support (Matt Fleming)

   - Add EFI capsule char driver (Kweh, Hock Leong)

   - Unify EFI memory map code for ARM and arm64 (Ard Biesheuvel)

   - Add generic EFI support for detecting when firmware corrupts CPU
     status register bits (like IRQ flags) when performing EFI runtime
     service calls (Mark Rutland)

  ... and other misc cleanups"

* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (46 commits)
  efivarfs: Make efivarfs_file_ioctl() static
  efi: Merge boolean flag arguments
  efi/capsule: Move 'capsule' to the stack in efi_capsule_supported()
  efibc: Fix excessive stack footprint warning
  efi/capsule: Make efi_capsule_pending() lockless
  efi: Remove unnecessary (and buggy) .memmap initialization from the Xen EFI driver
  efi/runtime-wrappers: Remove ARCH_EFI_IRQ_FLAGS_MASK #ifdef
  x86/efi: Enable runtime call flag checking
  arm/efi: Enable runtime call flag checking
  arm64/efi: Enable runtime call flag checking
  efi/runtime-wrappers: Detect firmware IRQ flag corruption
  efi/runtime-wrappers: Remove redundant #ifdefs
  x86/efi: Move to generic {__,}efi_call_virt()
  arm/efi: Move to generic {__,}efi_call_virt()
  arm64/efi: Move to generic {__,}efi_call_virt()
  efi/runtime-wrappers: Add {__,}efi_call_virt() templates
  efi/arm-init: Reserve rather than unmap the memory map for ARM as well
  efi: Add misc char driver interface to update EFI firmware
  x86/efi: Force EFI reboot to process pending capsules
  efi: Add 'capsule' update support
  ...
 2016-05-16 13:06:27 -07:00
Daniel Borkmann
6077776b59 bpf: split HAVE_BPF_JIT into cBPF and eBPF variant 
Split the HAVE_BPF_JIT into two for distinguishing cBPF and eBPF JITs.

Current cBPF ones:

  # git grep -n HAVE_CBPF_JIT arch/
  arch/arm/Kconfig:44:    select HAVE_CBPF_JIT
  arch/mips/Kconfig:18:   select HAVE_CBPF_JIT if !CPU_MICROMIPS
  arch/powerpc/Kconfig:129:       select HAVE_CBPF_JIT
  arch/sparc/Kconfig:35:  select HAVE_CBPF_JIT

Current eBPF ones:

  # git grep -n HAVE_EBPF_JIT arch/
  arch/arm64/Kconfig:61:  select HAVE_EBPF_JIT
  arch/s390/Kconfig:126:  select HAVE_EBPF_JIT if PACK_STACK && HAVE_MARCH_Z196_FEATURES
  arch/x86/Kconfig:94:    select HAVE_EBPF_JIT                    if X86_64

Later code also needs this facility to check for eBPF JITs.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-05-16 13:49:31 -04:00
Rafael J. Wysocki
acc53b49b1 Merge branch 'pm-cpuidle' 
* pm-cpuidle:
  cpuidle: Replace ktime_get() with local_clock()
  drivers: firmware: psci: use const and __initconst for psci_cpuidle_ops
  soc: qcom: spm: Use const and __initconst for qcom_cpuidle_ops
  ARM: cpuidle: constify return value of arm_cpuidle_get_ops()
  ARM: cpuidle: add const qualifier to cpuidle_ops member in structures
  intel_idle: add BXT support
  cpuidle: Indicate when a device has been unregistered
 2016-05-16 14:31:03 +02:00
Rafael J. Wysocki
c47b3bd0d3 Merge branch 'pm-cpufreq' 
* pm-cpufreq: (63 commits)
  intel_pstate: Clean up get_target_pstate_use_performance()
  intel_pstate: Use sample.core_avg_perf in get_avg_pstate()
  intel_pstate: Clarify average performance computation
  intel_pstate: Avoid unnecessary synchronize_sched() during initialization
  cpufreq: schedutil: Make default depend on CONFIG_SMP
  cpufreq: powernv: del_timer_sync when global and local pstate are equal
  cpufreq: powernv: Move smp_call_function_any() out of irq safe block
  intel_pstate: Clean up intel_pstate_get()
  cpufreq: schedutil: Make it depend on CONFIG_SMP
  cpufreq: governor: Fix handling of special cases in dbs_update()
  cpufreq: intel_pstate: Ignore _PPC processing under HWP
  cpufreq: arm_big_little: use generic OPP functions for {init, free}_opp_table
  cpufreq: tango: Use generic platdev driver
  cpufreq: Fix GOV_LIMITS handling for the userspace governor
  cpufreq: mvebu: Move cpufreq code into drivers/cpufreq/
  cpufreq: dt: Kill platform-data
  mvebu: Use dev_pm_opp_set_sharing_cpus() to mark OPP tables as shared
  cpufreq: dt: Identify cpu-sharing for platforms without operating-points-v2
  cpufreq: governor: Change confusing struct field and variable names
  cpufreq: intel_pstate: Enable PPC enforcement for servers
  ...
 2016-05-16 14:30:43 +02:00
David S. Miller
909b27f706 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 
The nf_conntrack_core.c fix in 'net' is not relevant in 'net-next'
because we no longer have a per-netns conntrack hash.

The ip_gre.c conflict as well as the iwlwifi ones were cases of
overlapping changes.

Conflicts:
	drivers/net/wireless/intel/iwlwifi/mvm/tx.c
	net/ipv4/ip_gre.c
	net/netfilter/nf_conntrack_core.c

Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-05-15 13:32:48 -04:00
Christian Borntraeger
3491caf275 KVM: halt_polling: provide a way to qualify wakeups during poll 
Some wakeups should not be considered a sucessful poll. For example on
s390 I/O interrupts are usually floating, which means that _ALL_ CPUs
would be considered runnable - letting all vCPUs poll all the time for
transactional like workload, even if one vCPU would be enough.
This can result in huge CPU usage for large guests.
This patch lets architectures provide a way to qualify wakeups if they
should be considered a good/bad wakeups in regard to polls.

For s390 the implementation will fence of halt polling for anything but
known good, single vCPU events. The s390 implementation for floating
interrupts does a wakeup for one vCPU, but the interrupt will be delivered
by whatever CPU checks first for a pending interrupt. We prefer the
woken up CPU by marking the poll of this CPU as "good" poll.
This code will also mark several other wakeup reasons like IPI or
expired timers as "good". This will of course also mark some events as
not sucessful. As  KVM on z runs always as a 2nd level hypervisor,
we prefer to not poll, unless we are really sure, though.

This patch successfully limits the CPU usage for cases like uperf 1byte
transactional ping pong workload or wakeup heavy workload like OLTP
while still providing a proper speedup.

This also introduced a new vcpu stat "halt_poll_no_tuning" that marks
wakeups that are considered not good for polling.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Radim Krčmář <rkrcmar@redhat.com> (for an earlier version)
Cc: David Matlack <dmatlack@google.com>
Cc: Wanpeng Li <kernellwp@gmail.com>
[Rename config symbol. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2016-05-13 17:29:23 +02:00
Steven Rostedt
ef0491ea17 ARM: Hide finish_arch_post_lock_switch() from modules 
The introduction of switch_mm_irqs_off() brought back an old bug
regarding the use of preempt_enable_no_resched:

As part of:

  62b94a08da ("sched/preempt: Take away preempt_enable_no_resched() from modules")

the definition of preempt_enable_no_resched() is only available in
built-in code, not in loadable modules, so we can't generally use
it from header files.

However, the ARM version of finish_arch_post_lock_switch()
calls preempt_enable_no_resched() and is defined as a static
inline function in asm/mmu_context.h. This in turn means we cannot
include asm/mmu_context.h from modules.

With today's tip tree, asm/mmu_context.h gets included from
linux/mmu_context.h, which is normally the exact pattern one would
expect, but unfortunately, linux/mmu_context.h can be included from
the vhost driver that is a loadable module, now causing this compile
time error with modular configs:

  In file included from ../include/linux/mmu_context.h:4:0,
                   from ../drivers/vhost/vhost.c:18:
  ../arch/arm/include/asm/mmu_context.h: In function 'finish_arch_post_lock_switch':
  ../arch/arm/include/asm/mmu_context.h:88:3: error: implicit declaration of function 'preempt_enable_no_resched' [-Werror=implicit-function-declaration]
     preempt_enable_no_resched();

Andy already tried to fix the bug by including linux/preempt.h
from asm/mmu_context.h, but that didn't help. Arnd suggested reordering
the header files, which wasn't popular, so let's use this
workaround instead:

The finish_arch_post_lock_switch() definition is now also hidden
inside of #ifdef MODULE, so we don't see anything referencing
preempt_enable_no_resched() from a header file. I've built a
few hundred randconfig kernels with this, and did not see any
new problems.

Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King - ARM Linux <linux@armlinux.org.uk>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-arm-kernel@lists.infradead.org
Fixes: f98db6013c ("sched/core: Add switch_mm_irqs_off() and use it in the scheduler")
Link: http://lkml.kernel.org/r/1463146234-161304-1-git-send-email-arnd@arndb.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2016-05-13 16:12:53 +02:00
Arnd Bergmann
8a934ccbf9 Second AT91 fix PR for 4.6: 
- fix a regression on the clock subsystem while switching to syscon/regmap
   due to a stricter check of the register map.
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Merge tag 'at91-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes

Merge "Second AT91 fix PR for 4.6" from Nicolas Ferre:

- fix a regression on the clock subsystem while switching to syscon/regmap
  due to a stricter check of the register map.

* tag 'at91-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: dts: at91: sam9x5: Fix the memory range assigned to the PMC
 2016-05-12 17:44:53 +02:00
Ingo Molnar
eb60b3e5e8 Merge branch 'sched/urgent' into sched/core to pick up fixes 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2016-05-12 09:18:13 +02:00
Paolo Bonzini
bdb4094eb5 KVM/ARM Changes for Linux v4.7 
Reworks our stage 2 page table handling to have page table manipulation
 macros separate from those of the host systems as the underlying
 hardware page tables can be configured to be noticably different in
 layout from the stage 1 page tables used by the host.
 
 Adds 16K page size support based on the above.
 
 Adds a generic firmware probing layer for the timer and GIC so that KVM
 initializes using the same logic based on both ACPI and FDT.
 
 Finally adds support for hardware updating of the access flag.
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Merge tag 'kvm-arm-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/ARM Changes for Linux v4.7

Reworks our stage 2 page table handling to have page table manipulation
macros separate from those of the host systems as the underlying
hardware page tables can be configured to be noticably different in
layout from the stage 1 page tables used by the host.

Adds 16K page size support based on the above.

Adds a generic firmware probing layer for the timer and GIC so that KVM
initializes using the same logic based on both ACPI and FDT.

Finally adds support for hardware updating of the access flag.
 2016-05-11 22:37:37 +02:00
Ingo Molnar
d2950158d0 Merge branch 'perf/urgent' into perf/core, to pick up fixes 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2016-05-11 16:56:38 +02:00
Boris Brezillon
aab0a4c83c ARM: dts: at91: sam9x5: Fix the memory range assigned to the PMC 
The memory range assigned to the PMC (Power Management Controller) was
not including the PMC_PCR register which are used to control peripheral
clocks.

This was working fine thanks to the page granularity of ioremap(), but
started to fail when we switched to syscon/regmap, because regmap is
making sure that all accesses are falling into the reserved range.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Richard Genoud <richard.genoud@gmail.com>
Tested-by: Richard Genoud <richard.genoud@gmail.com>
Fixes: 863a81c3be ("clk: at91: make use of syscon to share PMC registers in several drivers")
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
 2016-05-11 16:31:40 +02:00
Arnd Bergmann
0ef659a300 ARM: aspeed: adapt defconfigs for new CONFIG_PRINTK_TIME 
Commit 94ea9c7a579f ("lib, switch CONFIG_PRINTK_TIME to int") changes
the type of CONFIG_PRINTK_TIME and adapts all existing defconfig files,
while we add two new defconfig files with d0bc3483da ("arm/configs:
Add Aspeed defconfig"), with the old type.

This changes the two new defconfig files to match the other ones.
As a result, we get harmless warnings for the arm-soc defconfig
branch by itself, but everything will work when 4.7-rc1 is out.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2016-05-11 14:11:13 +02:00
Vladimir Zapolskiy
8cb17b5ed0 irqchip: Add LPC32xx interrupt controller driver 
The change adds improved support of NXP LPC32xx MIC, SIC1 and SIC2
interrupt controllers.

This is a list of new features in comparison to the legacy driver:
* irq types are taken from device tree settings, no more need to
  hardcode them,
* old driver is based on irq_domain_add_legacy, which causes problems
  with handling MIC hardware interrupt 0 produced by SIC1,
* there is one driver for MIC, SIC1 and SIC2, no more need to handle
  them separately, e.g. have two separate handlers for SIC1 and SIC2,
* the driver does not have any dependencies on hardcoded register
  offsets,
* the driver is much simpler for maintenance,
* SPARSE_IRQS option is supported.

Legacy LPC32xx interrupt controller driver was broken since commit
76ba59f836 ("genirq: Add irq_domain-aware core IRQ handler"), which
requires a private interrupt handler, otherwise any SIC1 generated
interrupt (mapped to MIC hwirq 0) breaks the kernel with the message
"unexpected IRQ trap at vector 00".

The change disables compilation of a legacy driver found at
arch/arm/mach-lpc32xx/irq.c, the file will be removed in a separate
commit.

Fixes: 76ba59f836 ("genirq: Add irq_domain-aware core IRQ handler")
Tested-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2016-05-11 10:12:11 +01:00
Marc Gonzalez
ec42083b98 ARM: dts: tango4: Import watchdog node 
The device driver was added in v4.5 by commit dca536c433
("watchdog: add support for Sigma Designs SMP86xx/SMP87xx")

Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2016-05-10 16:12:00 +02:00
Marc Gonzalez
862ccbfb9c ARM: dts: tango4: Update cpus node for cpufreq 
This platform will use the new generic platdev driver.

Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2016-05-10 16:11:49 +02:00
Marc Gonzalez
692fbddccb ARM: dts: tango4: Update DT to match clk driver 
Commit fefe0535b7 ("clk: tango4: improve clkgen driver") added
support for USB and SDIO clocks.

Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2016-05-10 16:11:36 +02:00
Marc Gonzalez
a6e818898c ARM: dts: tango4: Initial thermal support 
Define the CPU temperature sensor, and critical trip point.

Commit 799d71da471c ("add temperature sensor support for tango SoC")
added the device driver.

Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2016-05-10 16:11:27 +02:00
Arnd Bergmann
0f02588434 Allwinner DT changes for 4.7, round 2 
Mostly DT patches to enable the new DRM driver on the CHIP, preliminary
 support for the A10 and A20, and a support for a new variant of the Olimex
 A20-Olinuxino-Lime2 featuring an eMMC
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Merge tag 'sunxi-dt-for-4.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/dt

Merge "Allwinner DT changes for 4.7, round 2" from Maxime Ripard:

Mostly DT patches to enable the new DRM driver on the CHIP, preliminary
support for the A10 and A20, and a support for a new variant of the Olimex
A20-Olinuxino-Lime2 featuring an eMMC

* tag 'sunxi-dt-for-4.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  ARM: sun7i: dt: Add pll3 and pll7 clocks
  ARM: dts: sunxi: Add a olinuxino-lime2-emmc
  ARM: sun4i: dt: Add pll3 and pll7 clocks
  ARM: sun5i: chip: Enable the TV Encoder
  ARM: sun5i: r8: Add display blocks to the DTSI
  ARM: sun5i: a13: Add display and TCON clocks
 2016-05-10 16:10:28 +02:00
Arnd Bergmann
18aab73fba aspeed devicetree for 4.7 
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Merge tag 'aspeed-for-4.7-dts' of https://github.com/shenki/linux into next/dt

Merge "aspeed devicetree for 4.7" from Joel Stanley:

This device trees for a pair of Aspeed BMC SoCs and the boards that
they sit in.

* tag 'aspeed-for-4.7-dts' of https://github.com/shenki/linux:
  arm/dst: Add Aspeed ast2500 device tree
  arm/dts: Add Aspeed ast2400 device tree
  doc/devicetree: Add Aspeed and Tyan to vendor-prefixes
 2016-05-10 16:08:21 +02:00
Arnd Bergmann
e3cef9bbb5 Third batch of DT changes for 4.7: 
- a fix for the VInCo platform: reset gpio specification for Ethernet
 - addition of True Random Number Generator (TRNG) for all sama5 platforms
 - trivial adjustment of TRNG register map size for at91sam9g45 family
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Merge tag 'at91-dt3' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/dt

Merge "Third batch of DT changes for 4.7" from Nicolas Ferre:

- a fix for the VInCo platform: reset gpio specification for Ethernet
- addition of True Random Number Generator (TRNG) for all sama5 platforms
- trivial adjustment of TRNG register map size for at91sam9g45 family

* tag 'at91-dt3' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: dts: at91: sama5d4: add trng node
  ARM: dts: at91: sama5d3: add trng node
  ARM: dts: at91: sama5d2: add trng node
  ARM: dts: at91: at91sam9g45 family: reduce the trng register map size
  ARM: dts: at91: VInCo: fix phy reset gpio flag
 2016-05-10 16:06:19 +02:00
Arnd Bergmann
3a99f3d8d2 Devicetree updates for v4.7: 
- Use generic include files
 - Make accelerometers open drain on the TVK board
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Merge tag 'ux500-armsoc-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/dt

Merge "ux500 Devicetree updates for v4.7" from Linus Walleij:

- Use generic include files
- Make accelerometers open drain on the TVK board

* tag 'ux500-armsoc-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: dts: ux500: configure the accelerometers open drain
  ARM: dts: ux500: use the GIC include header
  ARM: dts: ux500: use the GPIO DT header
 2016-05-10 15:46:55 +02:00
Arnd Bergmann
21c9a64873 The i.MX device tree updates for 4.7, take 2: 
- Update display clock configuration for imx6q-b850v3 board
  - Use watchdog external reset for imx6q-ba16 board
  - Update operating points settings for i.MX6UL/SX/DL
  - New board support: imx6ul-pico-hobbit and imx6q-marsboard
  - Add SAI audio support for imx6ul-14x14-evk board
  - Enable USB OTG support for M53EVK board
  - A couple of fixes on DTC warnings
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Merge tag 'imx-dt-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

Merge "i.MX device tree updates for 4.7, take 2: from Shawn Guo:

The i.MX device tree updates for 4.7, take 2:
 - Update display clock configuration for imx6q-b850v3 board
 - Use watchdog external reset for imx6q-ba16 board
 - Update operating points settings for i.MX6UL/SX/DL
 - New board support: imx6ul-pico-hobbit and imx6q-marsboard
 - Add SAI audio support for imx6ul-14x14-evk board
 - Enable USB OTG support for M53EVK board
 - A couple of fixes on DTC warnings

* tag 'imx-dt-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: mx5: dts: Enable USB OTG on M53EVK
  ARM: dts: imx6ul-14x14-evk: Add audio support
  ARM: dts: imx6qdl: Remove unneeded unit-addresses
  ARM: dts: imx6: apalis: parallel lcd display support on ixora
  ARM: dts: imx6sx-sdb: Add 198MHz operational point
  ARM: dts: imx28-m28: Remove unneeded partition nodes
  ARM: dts: imx6ul-pico-hobbit: Add initial support
  ARM: dts: imx6: Do not hardcode the CLKO clock
  ARM: dts: imx6: Add dts for Embest MarS Board
  ARM: dts: imx6: fix dtc warnings for ipu endpoints
  ARM: dts: imx6dl: Fix the VDD_ARM_CAP voltage for 396MHz operation
  ARM: dts: imx6sx: Add 198MHz operating point
  ARM: dts: imx6ul: Fix operating points
  ARM: dts: imx6q-ba16: use wdog external reset
  ARM: dts: imx: b450/b650v3: Move ldb_di clk assignment
  ARM: dts: imx6q-b850v3: Update display clock source
  ARM: dts: imx6q-b850v3: Remove ldb panel
 2016-05-10 15:45:41 +02:00