Merge "at91: dt for 3.20 #1" from Nicolas Ferre:

First batch of DT changes for 3.20:
- little typo and a LED declared
- addition of the Special Function Registers (SFR) + its binding
- RTC & SRAM nodes
- the at91sam9xe has its own .dtsi now. Not combined with at91sam9260 anymore
- addition of the Image Sensor Interface (ISI) DT part and supported sensors

* tag 'at91-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91: dts: sama5d3: add ov2640 camera sensor support
  ARM: at91: dts: sama5d3: change name of pinctrl of ISI_MCK
  ARM: at91: dts: sama5d3: change name of pinctrl_isi_{power,reset}
  ARM: at91: dts: sama5d3: move the isi mck pin to mb
  ARM: at91: dts: sama5d3: add missing pins of isi
  ARM: at91: dts: sama5d3: split isi pinctrl
  ARM: at91: dts: sama5d3: add isi clock
  ARM: at91/dt: ethernut5: use at91sam9xe.dtsi
  ARM: at91/dt: Add a dtsi for at91sam9xe
  ARM: at91/dt: add SRAM nodes
  ARM: at91/dt: at91rm9200ek: enable RTC
  ARM: at91/dt: rm9200: add RTC node
  ARM: at91/dt: at91sam9n12: Add RTC node
  ARM: at91: sama5d4: Add SFR
  ARM: at91: sama5d3: Add SFR
  ARM: at91: Add Special Function Registers binding documentation
  ARM: at91/dt: sam9263: Fix typo: ac91_clk -> ac97_clk
  ARM: at91/dt: sama5d3: enable D2 as the heartbeat LED
Signed-off-by: Olof Johansson <olof@lixom.net>

Merge tag 'atlas7-init-dts-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux into next/dt

Merge "CSR atlas7 init dts for 3.20" from Barry Song:

Drop Marco and add init dts stuff for Atlas7

CSR Marco SoC has never shipped to customers that could be interested
in mainline support. and new Atlas7 is a replacement SoC that is in
development.

So we drop Marco dts stuff, and add dts stuff for Atlas7.

* tag 'atlas7-init-dts-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux:
  ARM: dts: add init dts file for CSR atlas7 SoC
  ARM: dts: drop MARCO platform DT stuff
Signed-off-by: Olof Johansson <olof@lixom.net>

According to v4l2 dt document, we add:
  a camera host: ISI port.
  a i2c camera sensor: ov2640 port.
to sama5d3xmb.dtsi.

The ov2640 node defines the pinctrls, clocks and refer to isi port.
The ISI node also has a reference to the ov2640 port.
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

For sama5d3xmb board, the pins: pinctrl_isi_pck_as_mck is pck1, and
used to provide MCK for camera sensor.

We change its name to: pinctrl_pck1_as_isi_mck.

As we want camera sensor instead of ISI to configure the pck1 (ISI_MCK) pin.
So we remove this pinctrl from ISI DT node. It will be added in sensor's
DT node.
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

For sama5d3xmb board, the pins: pinctrl_isi_{power,reset} is used to
power-down or reset camera sensor.
So we should let camera sensor instead of ISI to configure the pins.

This patch will change pinctrl name from pinctrl_isi_{power,reset} to
pinctrl_sensor_{power,reset}. And remove these two pinctrl from ISI's
DT node. We will add these two pinctrl to sensor's DT node.
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

The mck is decided by the board design, move it to mb related
dtsi file.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

The ISI has 12 data lines, add the missing two data lines.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

As the ISI has 12 data lines, however we only use 8 data lines with
sensor module. So, split the data line into two groups which make
it can be choosed depends on the hardware design.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Add ISI peripheral clock in sama5d3.dtsi.
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

The ethernut5 is actually based on an at91sam9xe, use the correct dts include.

Cc: Martin Reimann <martin.reimann@egnite.de>
Cc: Tim Schendekehl <tim.schendekehl@egnite.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

at91sam9xe is slightly different from at91sam9260, in particular it has a
different SRAM size and location.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Add nodes for the SRAM available on atmel SoCs
For the at91sam9260 and the at91sam9g20, address mirroring is used to create a
single contiguous SRAM range instead of declaring two separate banks.

Also remove leftover TODOs in the sam9g45 file
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[nicolas.ferre@atmel.com: correct at91sam9rl sram size => 0x10000]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Enable the RTC on the at91rm9200ek.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Add a node for the RTC available on at91rm9200.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Add node for the RTC available on the at91sam9n12.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

The sama4d4 has Special Function Registers that allow to manage DDR, OHCI, EBI
and AIC interrupt redirection.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[nicolas.ferre@atmel.com: reg size: 0x60]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

The sama5d3 has Special Function Registers that allow to manage OHCI, EBI and
the UTMI clock.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[nicolas.ferre@atmel.com: reg size: 0x60]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

The special function registers gather some registers that allow to tweak
features provided by IPs controlled through another register range.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[nicolas.ferre@atmel.com: reg size: 0x60]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

That clock should be called ac97_clk.
Signed-off-by: Alexander Stein <alexanders83@web.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

This D2 led is available for all sama5d3x-ek board. So make it a
heartbeat LED.
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Merge "mvebu: dt for v3.20" from Andrew Lunn:

mvebu dt changes for v3.20 (part #1)

- Add Armada 388 General Purpose Development Board support
- Add Device Tree description of the Armada 388 SoC
- Document the Device Tree binding for the Armada 388 SoC
- a38x: Add missing labels
- a38x: Add more pinctrl functions
- Add Armada 385 Access Point Development Board support
- Add a number of pinctrl functions
- A38x: Remove redundant pinctrl informations
- a38x: Fix node names
- Add support for Seagate BlackArmor NAS220
- kirkwood: enable phy driver for SATA controller on 88f6192
- gpio_poweroff support for Iomega ix2-200
- Use all remaining MTD space foor rootfs of Iomega ix2-200

* tag 'mvebu-dt-3.20' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: Add Armada 388 General Purpose Development Board support
  ARM: mvebu: Add Device Tree description of the Armada 388 SoC
  ARM: mvebu: Document the Device Tree binding for the Armada 388 SoC
  ARM: mvebu: a38x: Add missing labels
  ARM: mvebu: a38x: Add more pinctrl functions
  ARM: mvebu: Add Armada 385 Access Point Development Board support
  ARM: mvebu: Add a number of pinctrl functions
  ARM: mvebu: A38x: Remove redundant pinctrl informations
  ARM: mvebu: a38x: Fix node names
  Kirkwood: add support for Seagate BlackArmor NAS220
  ARM: dts: kirkwood: enable phy driver for SATA controller on 88f6192
  ARM: dts: add gpio_poweroff support for Iomega ix2-200
  ARM: dts: use all remaining MTD space foor rootfs of Iomega ix2-200
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Olof Johansson <olof@lixom.net>

Merge "ARM: mediatek: DT changes for v3.20 (round 1)" from Matthias Brugger:

This adds support for the mediatek sysirq and the uarts for the following SoCs:
- mt8135
- mt8127
- mt6598

For mt6592 only the sysirq support was added.

* tag 'v3.20-next-dts' of https://github.com/mbgg/linux-mediatek:
  ARM: mediatek: dts: Add uart to Aquaris5
  ARM: mediatek: dts: Add uart to mt6589
  dt-bindings: add mt6592 compatible string for mediatek sysirq
  ARM: mediatek: Add sysirq device node to mt6592 dtsi
  ARM: mediatek: dts: Add UART dts for MT8127 and MT8135 boards
  DTS: serial: Add bindings document for the Mediatek UARTs
  ARM: mediatek: add UART dts for mt8127 and mt8135
  ARM: mediatek: Add sysirq in mt6589/mt8135/mt8127 dtsi
Signed-off-by: Olof Johansson <olof@lixom.net>

CSR atlas7 uses Network on Chip(NoC) bus architecture, there are dozens
of MARCOs, in each MARCO, there are dozens of hardware modules.
Signed-off-by: Zhiwu Song <Zhiwu.Song@csr.com>
Signed-off-by: Hao Liu <Hao.Liu@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Merge tag 'berlin-dt-for-3.20-1' of git://git.infradead.org/users/hesselba/linux-berlin into next/dt

Merge "ARM: berlin: DT changes for v3.20 (round 1)" from Sebastian Hesselbarth:

Berlin DT changes for v3.20 (round 1)
- add PMU nodes for BG2Q and BG2CD
- add PPI CPU masks for TWD timer interrupts

* tag 'berlin-dt-for-3.20-1' of git://git.infradead.org/users/hesselba/linux-berlin:
  ARM: dts: berlin: add PPI cpu mask to twd timer interrupts
  ARM: dts: berlin: add pmu node for BG2Q and BG2CD
Signed-off-by: Olof Johansson <olof@lixom.net>

A number of arches (EXYNOS/IMX/TEGRA) are separated out into finer grained
definitions whether it be sub ARCH or SOC definitions. The device tree blobs
should only be built if the specific option is enabled that supports that
device or it might be that there's an expectation that the device is supported
when in actual fact it's not. This ensures only the relevant bits are built.

Also standardised the line break between the arch/soc definitions and the
dtbs to be on separate lines for better consistency as per feedback.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Shawn Guo <shawn.guo@freescale.com>
[olof: Fixed stray \ in one of the IMX rules]
Signed-off-by: Olof Johansson <olof@lixom.net>

Merge tag 'renesas-dt-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Merge "Renesas ARM Based SoC DT Updates for v3.20" from Simon Horman:

* Use clock-indices instead of deprecated renesas,clock-indices
* Prepare for r8a73a4 multiplatform support
* Increase clock coverage for r8a779[014]
* Correct r8a7779 clock usage
* Correct LAN9220 VDDVARIO voltage on ape6evm
* Correct QSPI SPI-Flash mode of lager and koelsch
* Correct flash partition label and size on koelsch
* Correct mask for GIC PPI interrupts on r8a779[14]
* Correct BSC bus range on ape6evm-reference

* tag 'renesas-dt-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (30 commits)
  ARM: shmobile: r8a7791: add MLB+ clock
  ARM: shmobile: r8a7790: add MLB+ clock
  ARM: shmobile: ape6evm: Fix LAN9220 VDDVARIO voltage
  ARM: shmobile: r8a73a4: Add r8a73a4-ape6evm.dtb to ARCH_SHMOBILE_MULTI
  ARM: shmobile: ape6evm: Add keypad to the device tree
  ARM: shmobile: ape6evm: Add LEDs to the device tree
  ARM: shmobile: ape6evm: synchronize dts with reference platform
  ARM: shmobile: ape6evm: fix compatible string for Ethernet controller
  ARM: shmobile: r8a7794: Add MMCIF clock to device tree
  ARM: shmobile: r8a7794: Add SDHI clocks to device tree
  ARM: shmobile: r8a7794: Add I2C clocks to device tree
  ARM: shmobile: r8a7779: Add TWD device to DTS
  ARM: shmobile: r8a7779: Use MSTP for SCIF clocks
  ARM: shmobile: r8a7779: Use R8A7779_CLK_P as SCIF parent clock
  ARM: shmobile: r8a7794: Add QSPI clock to device tree
  ARM: shmobile: lager: Fix QSPI mode of SPI-Flash into mode3
  ARM: shmobile: r8a7794: Add SYS-DMAC clocks to device tree
  ARM: shmobile: r8a7791: Add IPMMU-SGX clock to device tree
  ARM: shmobile: koelsch: Fix QSPI mode of SPI-Flash into mode3
  ARM: shmobile: r8a7794: Add USBDMAC[01] clocks to device tree
  ...
Signed-off-by: Olof Johansson <olof@lixom.net>

Merge tag 'renesas-dt-cleanups-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Merge "Renesas ARM Based SoC DT Cleanups for v3.20" from Simon Horman:

* Replace status value "ok" with "okay"

* tag 'renesas-dt-cleanups-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: kzm9g-reference dts: Replace status value "ok" by "okay"
  ARM: shmobile: alt dts: Replace status value "ok" by "okay"
  ARM: shmobile: koelsch dts: Replace status value "ok" by "okay"
  ARM: shmobile: henninger dts: Replace status value "ok" by "okay"
  ARM: shmobile: lager dts: Replace status value "ok" by "okay"
  ARM: shmobile: armadillo800eva dts: Replace status value "ok" by "okay"
  ARM: shmobile: genmai dts: Replace status value "ok" by "okay"
Signed-off-by: Olof Johansson <olof@lixom.net>

Pull ARM fixes from Russell King:
 "Three small fixes from over the Christmas period, and wiring up the
  new execveat syscall for ARM"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8275/1: mm: fix PMD_SECT_RDONLY undeclared compile error
  ARM: 8253/1: mm: use phys_addr_t type in map_lowmem() for kernel mem region
  ARM: 8249/1: mm: dump: don't skip regions
  ARM: wire up execveat syscall

This patch enables uart port for the Aquaris5 mobile phone.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

This patch adds the uart ports to the device tree of Mediatek mt6589 SoC.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

Pull x86 fixes from Ingo Molnar:
 "Misc fixes: two vdso fixes, two kbuild fixes and a boot failure fix
  with certain odd memory mappings"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, vdso: Use asm volatile in __getcpu
  x86/build: Clean auto-generated processor feature files
  x86: Fix mkcapflags.sh bash-ism
  x86: Fix step size adjustment during initial memory mapping
  x86_64, vdso: Fix the vdso address randomization algorithm

Pull scheduler fixes from Ingo Molnar:
 "Misc fixes: group scheduling corner case fix, two deadline scheduler
  fixes, effective_load() overflow fix, nested sleep fix, 6144 CPUs
  system fix"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix RCU stall upon -ENOMEM in sched_create_group()
  sched/deadline: Avoid double-accounting in case of missed deadlines
  sched/deadline: Fix migration of SCHED_DEADLINE tasks
  sched: Fix odd values in effective_load() calculations
  sched, fanotify: Deal with nested sleeps
  sched: Fix KMALLOC_MAX_SIZE overflow during cpumask allocation

Pull perf fixes from Ingo Molnar:
 "Mostly tooling fixes, but also some kernel side fixes: uncore PMU
  driver fix, user regs sampling fix and an instruction decoder fix that
  unbreaks PEBS precise sampling"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/uncore/hsw-ep: Handle systems with only two SBOXes
  perf/x86_64: Improve user regs sampling
  perf: Move task_pt_regs sampling into arch code
  x86: Fix off-by-one in instruction decoder
  perf hists browser: Fix segfault when showing callchain
  perf callchain: Free callchains when hist entries are deleted
  perf hists: Fix children sort key behavior
  perf diff: Fix to sort by baseline field by default
  perf list: Fix --raw-dump option
  perf probe: Fix crash in dwarf_getcfi_elf
  perf probe: Fix to fall back to find probe point in symbols
  perf callchain: Append callchains only when requested
  perf ui/tui: Print backtrace symbols when segfault occurs
  perf report: Show progress bar for output resorting

Pull locking fixes from Ingo Molnar:
 "A liblockdep fix and a mutex_unlock() mutex-debugging fix"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  mutex: Always clear owner field upon mutex_unlock()
  tools/liblockdep: Fix debug_check thinko in mutex destroy

Fix for BUG_ON(anon_vma->degree) splashes in unlink_anon_vmas() ("kernel
BUG at mm/rmap.c:399!") caused by commit 7a3ef208 ("mm: prevent
endless growth of anon_vma hierarchy")

Anon_vma_clone() is usually called for a copy of source vma in
destination argument.  If source vma has anon_vma it should be already
in dst->anon_vma.  NULL in dst->anon_vma is used as a sign that it's
called from anon_vma_fork().  In this case anon_vma_clone() finds
anon_vma for reusing.

Vma_adjust() calls it differently and this breaks anon_vma reusing
logic: anon_vma_clone() links vma to old anon_vma and updates degree
counters but vma_adjust() overrides vma->anon_vma right after that.  As
a result final unlink_anon_vmas() decrements degree for wrong anon_vma.

This patch assigns ->anon_vma before calling anon_vma_clone().
Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Reported-and-tested-by: Chris Clayton <chris2553@googlemail.com>
Reported-and-tested-by: Oded Gabbay <oded.gabbay@amd.com>
Reported-and-tested-by: Chih-Wei Huang <cwhuang@android-x86.org>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Daniel Forrest <dan.forrest@ssec.wisc.edu>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: stable@vger.kernel.org  # to match back-porting of 7a3ef208Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Commit fee7e49d ("mm: propagate error from stack expansion even for
guard page") made sure that we return the error properly for stack
growth conditions.  It also theorized that counting the guard page
towards the stack limit might break something, but also said "Let's see
if anybody notices".

Somebody did notice.  Apparently android-x86 sets the stack limit very
close to the limit indeed, and including the guard page in the rlimit
check causes the android 'zygote' process problems.

So this adds the (fairly trivial) code to make the stack rlimit check be
against the actual real stack size, rather than the size of the vma that
includes the guard page.
Reported-and-tested-by: Chih-Wei Huang <cwhuang@android-x86.org>
Cc: Jay Foad <jay.foad@gmail.com>
Cc: stable@kernel.org  # to match back-porting of fee7e49dSigned-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MARCO will not be supported any more. it has been replaced by CSR
atlas7.
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Signed-off-by: Ingo Molnar <mingo@kernel.org>

Pull VFIO fix from Alex Williamson:
 "Fix PCI header check in vfio_pci_probe() (Wei Yang)"

* tag 'vfio-v3.19-rc4' of git://github.com/awilliam/linux-vfio:
  vfio-pci: Fix the check on pci device type in vfio_pci_probe()