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Author SHA1 Message Date
Olof Johansson
1ba2eaaacd Merge tag 'mvebu-fixes-4.12-1' of git://git.infradead.org/linux-mvebu into fixes 
mvebu fixes for 4.12

Fix the interrupt description of the crypto node for device tree of
the Armada 7K/8K SoCs

* tag 'mvebu-fixes-4.12-1' of git://git.infradead.org/linux-mvebu: (316 commits)
  arm64: marvell: dts: fix interrupts in 7k/8k crypto nodes
  + Linux 4.12-rc2

Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-06-01 17:07:38 -07:00
Olof Johansson
da3d1d4a4e Merge tag 'at91-4.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into fixes 
Fixes for 4.12:

Fix two compilation issues

* tag 'at91-4.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  ARM: at91: select CONFIG_ARM_CPU_SUSPEND
  memory: atmel-ebi: mark PM ops as __maybe_unused

Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-06-01 17:07:31 -07:00
Masahiro Yamada
cf5cde2199 ARM: dts: versatile: use #include "..." to include local DT 
Most of DT files in ARM use #include "..." to make pre-processor
include DT in the same directory, but this is one of the exceptional
files that use #include <...> for that.

Fix it to remove -I$(srctree)/arch/$(SRCARCH)/boot/dts path from
dtc_cpp_flags.

ARM: dts: versatile: use #include "..." to include DT in the same directory

Most of DT files in ARM use #include "..." to make pre-processor
include DT in the same directory, but we have 3 exceptional files
that use #include <...> for that.

They must be fixed to remove -I$(srctree)/arch/$(SRCARCH)/boot/dts
path from dtc_cpp_flags.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-06-01 17:07:29 -07:00
Arnd Bergmann
cc7a938f5f ARM: at91: select CONFIG_ARM_CPU_SUSPEND 
The reference to cpu_resume requires the corresponding
generic code to be enabled when CONFIG_PM is set:

arch/arm/mach-at91/pm.o: In function `sama5d2_pm_init':
pm.c:(.init.text+0x5e8): undefined reference to `cpu_resume'

Fixes: 24a0f5c539 ("ARM: at91: pm: Add sama5d2 backup mode")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2017-05-29 11:06:56 +02:00
Murali Karicheri
791229f1d5 ARM: dts: keystone-k2l: fix broken Ethernet due to disabled OSR 
Ethernet networking on K2L has been broken since v4.11-rc1. This was
caused by commit 32a34441a9 ("ARM: keystone: dts: fix netcp clocks
and add names"). This commit inadvertently moves on-chip static RAM
clock to the end of list of clocks provided for netcp. Since keystone
PM domain support does not have a list of recognized con_ids, only the
first clock in the list comes under runtime PM management. This means
the OSR (On-chip Static RAM) clock remains disabled and that broke
networking on K2L.

The OSR is used by QMSS on K2L as an external linking RAM. However this
is a standalone RAM that can be used for non-QMSS usage (as well as from
DSP side). So add a SRAM device node for the same and add the OSR clock
to the node.

Remove the now redundant OSR clock node from netcp.

To manage all clocks defined for netCP's use by runtime PM needs keystone
generic power domain (genpd) driver support which is under works.
Meanwhile, this patch restores K2L networking and is correct irrespective
of any future genpd work since OSR is an independent module and not part
of NetCP anyway.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
[nsekhar@ti.com: commit message updates, port to latest mainline]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Cc: stable@vger.kernel.org # for 4.11
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2017-05-26 10:10:50 +02:00
Olof Johansson
962ef410d9 This pull request contains Broadcom ARM-based SoCs Device Tree fixes for 4.12, 
please pull the following:
 
 - Phil provides a fix for the BCM283x (Raspberry Pi) by flagging the first
   4KiB of physical memory as a reserved region in order to let the secondary
   cores successfully spin until they are brought online
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Merge tag 'arm-soc/for-4.12/devicetree-fixes-2' of http://github.com/Broadcom/stblinux into fixes

This pull request contains Broadcom ARM-based SoCs Device Tree fixes for 4.12,
please pull the following:

- Phil provides a fix for the BCM283x (Raspberry Pi) by flagging the first
  4KiB of physical memory as a reserved region in order to let the secondary
  cores successfully spin until they are brought online

* tag 'arm-soc/for-4.12/devicetree-fixes-2' of http://github.com/Broadcom/stblinux:
  ARM: dts: bcm283x: Reserve first page for firmware

Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-05-25 17:02:05 -07:00
Olof Johansson
3616aa198f These fix issues with power management initialization code 
on DaVinci. Some resources were getting freed prematurely.
 And there was an issue with resources not being on error.
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Merge tag 'davinci-fixes-for-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes

These fix issues with power management initialization code
on DaVinci. Some resources were getting freed prematurely.
And there was an issue with resources not being on error.

* tag 'davinci-fixes-for-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: PM: Do not free useful resources in normal path in 'davinci_pm_init'
  ARM: davinci: PM: Free resources in error handling path in 'davinci_pm_init'

Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-05-25 16:59:43 -07:00
Linus Torvalds
4217fdde34 KVM fixes for v4.12-rc2 
ARM:
  - A fix for a build failure introduced in -rc1 when tracepoints are
    enabled on 32-bit ARM.
  - Disabling use of stack pointer protection in the hyp code which can
    cause panics.
  - A handful of VGIC fixes.
  - A fix to the init of the redistributors on GICv3 systems that
    prevented boot with kvmtool on GICv3 systems introduced in -rc1.
  - A number of race conditions fixed in our MMU handling code.
  - A fix for the guest being able to program the debug extensions for
    the host on the 32-bit side.
 
 PPC:
  - Fixes for build failures with PR KVM configurations.
  - A fix for a host crash that can occur on POWER9 with radix guests.
 
 x86:
  - Fixes for nested PML and nested EPT.
  - A fix for crashes caused by reserved bits in SSE MXCSR that could
    have been set by userspace.
  - An optimization of halt polling that fixes high CPU overhead.
  - Fixes for four reports from Dan Carpenter's static checker.
  - A protection around code that shouldn't have been preemptible.
  - A fix for port IO emulation.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "ARM:
   - a fix for a build failure introduced in -rc1 when tracepoints are
     enabled on 32-bit ARM.

   - disable use of stack pointer protection in the hyp code which can
     cause panics.

   - a handful of VGIC fixes.

   - a fix to the init of the redistributors on GICv3 systems that
     prevented boot with kvmtool on GICv3 systems introduced in -rc1.

   - a number of race conditions fixed in our MMU handling code.

   - a fix for the guest being able to program the debug extensions for
     the host on the 32-bit side.

  PPC:
   - fixes for build failures with PR KVM configurations.

   - a fix for a host crash that can occur on POWER9 with radix guests.

  x86:
   - fixes for nested PML and nested EPT.

   - a fix for crashes caused by reserved bits in SSE MXCSR that could
     have been set by userspace.

   - an optimization of halt polling that fixes high CPU overhead.

   - fixes for four reports from Dan Carpenter's static checker.

   - a protection around code that shouldn't have been preemptible.

   - a fix for port IO emulation"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (27 commits)
  KVM: x86: prevent uninitialized variable warning in check_svme()
  KVM: x86/vPMU: fix undefined shift in intel_pmu_refresh()
  KVM: x86: zero base3 of unusable segments
  KVM: X86: Fix read out-of-bounds vulnerability in kvm pio emulation
  KVM: x86: Fix potential preemption when get the current kvmclock timestamp
  KVM: Silence underflow warning in avic_get_physical_id_entry()
  KVM: arm/arm64: Hold slots_lock when unregistering kvm io bus devices
  KVM: arm/arm64: Fix bug when registering redist iodevs
  KVM: x86: lower default for halt_poll_ns
  kvm: arm/arm64: Fix use after free of stage2 page table
  kvm: arm/arm64: Force reading uncached stage2 PGD
  KVM: nVMX: fix EPT permissions as reported in exit qualification
  KVM: VMX: Don't enable EPT A/D feature if EPT feature is disabled
  KVM: x86: Fix load damaged SSEx MXCSR register
  kvm: nVMX: off by one in vmx_write_pml_buffer()
  KVM: arm: rename pm_fake handler to trap_raz_wi
  KVM: arm: plug potential guest hardware debug leakage
  kvm: arm/arm64: Fix race in resetting stage2 PGD
  KVM: arm/arm64: vgic-v3: Use PREbits to infer the number of ICH_APxRn_EL2 registers
  KVM: arm/arm64: vgic-v3: Do not use Active+Pending state for a HW interrupt
  ...
 2017-05-19 15:13:13 -07:00
Florian Fainelli
6c0c57ac09 This pull request brings in a fix for booting on SMP Raspberry Pis, 
particularly with maxcpus=1
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Merge tag 'bcm2835-dt-fixes-2017-05-16' into devicetree/fixes

This pull request brings in a fix for booting on SMP Raspberry Pis,
particularly with maxcpus=1

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
 2017-05-19 11:15:10 -07:00
Arnd Bergmann
0527873b29 ARM: remove duplicate 'const' annotations' 
gcc-7 warns about some declarations that are more 'const' than necessary:

arch/arm/mach-at91/pm.c:338:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
 static const struct of_device_id const ramc_ids[] __initconst = {
arch/arm/mach-bcm/bcm_kona_smc.c:36:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
 static const struct of_device_id const bcm_kona_smc_ids[] __initconst = {
arch/arm/mach-spear/time.c:207:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
 static const struct of_device_id const timer_of_match[] __initconst = {
arch/arm/mach-omap2/prm_common.c:714:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
 static const struct of_device_id const omap_prcm_dt_match_table[] __initconst = {
arch/arm/mach-omap2/vc.c:562:35: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
 static const struct i2c_init_data const omap4_i2c_timing_data[] __initconst = {

The ones in arch/arm were apparently all introduced accidentally by one
commit that correctly marked a lot of variables as __initconst.

Fixes: 19c233b79d ("ARM: appropriate __init annotation for const data")
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2017-05-19 10:12:55 +02:00
Olof Johansson
ec16187a63 Fixes for omaps for v4.12-rc cycle most consisting of few minor dts fixes 
for various devices. Also included is a memory controller (GPMC) debug output
 fix as without that the shown bootloader configured GPMC bus width will
 be wrong and won't work for kernel timings:
 
 - Add dra7 powerhold configuration to be able to shut down pmic correctly
 
 - Fix polarity for gta04 mcbsp4 clocks for modem
 
 - Fix Pandaboard CEC pin pull making it usable
 
 - Fix LogicPD Torpedo camera pin mux
 
 - Fix GPMC debug bus width
 
 - Reduce cpu thermal shutdown temperature
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Merge tag 'omap-for-v4.12/fixes-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Fixes for omaps for v4.12-rc cycle most consisting of few minor dts fixes
for various devices. Also included is a memory controller (GPMC) debug output
fix as without that the shown bootloader configured GPMC bus width will
be wrong and won't work for kernel timings:

- Add dra7 powerhold configuration to be able to shut down pmic correctly
- Fix polarity for gta04 mcbsp4 clocks for modem
- Fix Pandaboard CEC pin pull making it usable
- Fix LogicPD Torpedo camera pin mux
- Fix GPMC debug bus width
- Reduce cpu thermal shutdown temperature

* tag 'omap-for-v4.12/fixes-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: dra7: Reduce cpu thermal shutdown temperature
  memory: omap-gpmc: Fix debug output for access width
  ARM: dts: LogicPD Torpedo: Fix camera pin mux
  ARM: dts: omap4: enable CEC pin for Pandaboard A4 and ES
  ARM: dts: gta04: fix polarity of clocks for mcbsp4
  ARM: dts: dra7: Add power hold and power controller properties to palmas

Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-05-19 00:02:16 -07:00
Olof Johansson
6a3538c174 i.MX fixes for 4.12: 
- A fix on GPCv2 power domain driver Kconfig which causes a build
    failure when CONFIG_PM is not set.
  - Pull down PMIC IRQ pin for imx53-qsrb board to prevent spurious
    PMIC interrupts from happening.
  - Remove board level OPP override for imx6sx-sdb to fix a boot crash
    seen on Rev.C boards.
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Merge tag 'imx-fixes-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

i.MX fixes for 4.12:
 - A fix on GPCv2 power domain driver Kconfig which causes a build
   failure when CONFIG_PM is not set.
 - Pull down PMIC IRQ pin for imx53-qsrb board to prevent spurious
   PMIC interrupts from happening.
 - Remove board level OPP override for imx6sx-sdb to fix a boot crash
   seen on Rev.C boards.

* tag 'imx-fixes-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: add PM dependency for IMX7_PM_DOMAINS
  ARM: dts: imx6sx-sdb: Remove OPP override
  ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin

Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-05-19 00:02:04 -07:00
Linus Walleij
877dd4b1f7 ARM: configs: add a gemini defconfig 
It makes sense to have a stripped-down defconfig for just Gemini, as
it is a pretty small platform used in NAS etc, and will use appended
device tree. It is also quick to compile and test. Hopefully this
defconfig can be a good base for distributions such as OpenWRT.

I plan to add in the config options needed for the different
variants of Gemini as we go along.

Cc: Janos Laube <janos.dev@gmail.com>
Cc: Paulius Zaleckas <paulius.zaleckas@gmail.com>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-05-18 23:56:47 -07:00
Olof Johansson
5cb1ac0f79 This pull request contains Broadcom ARM-based SoC Device Tree fixes for 
4.12, please pull the following:
 
 - Baruch provides several fixes for the Raspberry Pi (BCM2835) Device
   Tree source include file: uart0 pinctrl node names, pin number for
   i2c0, uart0 rts/cts pins and invalid uart1 pin, missing numbers for
   ethernet aliases
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Merge tag 'arm-soc/for-4.12/devicetree-fixes' of http://github.com/Broadcom/stblinux into fixes

This pull request contains Broadcom ARM-based SoC Device Tree fixes for
4.12, please pull the following:

- Baruch provides several fixes for the Raspberry Pi (BCM2835) Device
  Tree source include file: uart0 pinctrl node names, pin number for
  i2c0, uart0 rts/cts pins and invalid uart1 pin, missing numbers for
  ethernet aliases

* tag 'arm-soc/for-4.12/devicetree-fixes' of http://github.com/Broadcom/stblinux:
  ARM: dts: bcm2835: add index to the ethernet alias
  ARM: dts: bcm2835: fix uart0/uart1 pins
  ARM: dts: bcm2835: fix i2c0 pins
  ARM: dts: bcm2835: fix uart0 pinctrl node names

Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-05-18 23:55:53 -07:00
Olof Johansson
d5d332d3f7 devicetree: Move include prefixes from arch to separate directory 
We use a directory under arch/$ARCH/boot/dts as an include path
that has links outside of the subtree to find dt-bindings from under
include/dt-bindings. That's been working well, but new DT architectures
haven't been adding them by default.

Recently there's been a desire to share some of the DT material between
arm and arm64, which originally caused developers to create symlinks or
relative includes between the subtrees. This isn't ideal -- it breaks
if the DT files aren't stored in the exact same hierarchy as the kernel
tree, and generally it's just icky.

As a somewhat cleaner solution we decided to add a $ARCH/ prefix link
once, and allow DTS files to reference dtsi (and dts) files in other
architectures that way.

Original approach was to create these links under each architecture,
but it lead to the problem of recursive symlinks.

As a remedy, move the include link directories out of the architecture
trees into a common location. At the same time, they can now share one
directory and one dt-bindings/ link as well.

Fixes: 4027494ae6 ('ARM: dts: add arm/arm64 include symlinks')
Reported-by: Russell King <linux@armlinux.org.uk>
Reported-by: Omar Sandoval <osandov@osandov.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: linux-arch <linux-arch@vger.kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-05-18 23:55:48 -07:00
Olof Johansson
5252d73756 Linux 4.12-rc1 
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Merge tag 'v4.12-rc1' into fixes

We've received a few fixes branches with -rc1 as base, but our contents was
still at pre-rc1. Merge it in expliticly to make 'git merge --log' clear on
hat was actually merged.

Signed-off-by: Olof Johansson <olof@lixom.net>
 2017-05-18 23:54:47 -07:00
Ravikumar Kattekola
bca5238816 ARM: dts: dra7: Reduce cpu thermal shutdown temperature 
On dra7, as per TRM, the HW shutdown (TSHUT) temperature is hardcoded
to 123C and cannot be modified by SW. This means when the temperature
reaches 123C HW asserts TSHUT output which signals a warm reset.
This reset is held until the temperature goes below the TSHUT low (105C).

While in SW, the thermal driver continuously monitors current temperature
and takes decisions based on whether it reached an alert or a critical point.
The intention of setting a SW critical point is to prevent force reset by HW
and instead do an orderly_poweroff(). But if the SW critical temperature is
greater than or equal to that of HW then it defeats the purpose. To address
this and let SW take action before HW does keep the SW critical temperature
less than HW TSHUT value.

The value for SW critical temperature was chosen as 120C just to ensure
we give SW sometime before HW catches up.

Document reference
SPRUI30C – DRA75x, DRA74x Technical Reference Manual - November 2016
SPRUHZ6H - AM572x Technical Reference Manual - November 2016

Tested on:
DRA75x PG 2.0 Rev H EVM

Signed-off-by: Ravikumar Kattekola <rk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2017-05-17 06:51:38 -07:00
Christophe JAILLET
95d7c1f18b ARM: davinci: PM: Do not free useful resources in normal path in 'davinci_pm_init' 
It is wrong to iounmap resources in the normal path of davinci_pm_init()

The 3 ioremap'ed fields of 'pm_config' can be accessed later on in other
functions, so we should return 'success' instead of unrolling everything.

Fixes: aa9aa1ec2d ("ARM: davinci: PM: rework init, remove platform device")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
[nsekhar@ti.com: commit message and minor style fixes]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
 2017-05-17 15:25:18 +05:30
Christophe JAILLET
f3f6cc814f ARM: davinci: PM: Free resources in error handling path in 'davinci_pm_init' 
If 'sram_alloc' fails, we need to free already allocated resources.

Fixes: aa9aa1ec2d ("ARM: davinci: PM: rework init, remove platform device")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
 2017-05-17 14:51:49 +05:30
Adam Ford
56322e1232 ARM: dts: LogicPD Torpedo: Fix camera pin mux 
Fix commit 05c4ffc3a2 ("ARM: dts: LogicPD Torpedo: Add MT9P031 Support")
In the previous commit, I indicated that the only testing was done by
showing the camera showed up when probing.  This patch fixes an incorrect
pin muxing on cam_d0, cam_d1 and cam_d2.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2017-05-16 08:12:47 -07:00
Hans Verkuil
f0b8dca833 ARM: dts: omap4: enable CEC pin for Pandaboard A4 and ES 
The CEC pin was always pulled up, making it impossible to use it.

Change to PIN_INPUT so it can be used by the new CEC support.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
 2017-05-16 08:10:07 -07:00
Andreas Kemnade
910958b65c ARM: dts: gta04: fix polarity of clocks for mcbsp4 
The clock polarity setting of the mcbsp connected to
the modem was wrong so almost only noise
was received.
With this patch it is also the same as it was on
earlier non-dt kernels where it was working properly

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2017-05-16 08:08:52 -07:00
Keerthy
7c62de5f3f ARM: dts: dra7: Add power hold and power controller properties to palmas 
Add power hold and power controller properties to palmas node.
This is needed to shutdown pmic correctly on boards with
powerhold set.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2017-05-16 08:06:04 -07:00
Phil Elwell
b0804ed0ca ARM: dts: bcm283x: Reserve first page for firmware 
The Raspberry Pi startup stub files for multi-core BCM283X processors
make the secondary CPUs spin until the corresponding mailbox is
written. These stubs are loaded at physical address 0x00000xxx (as seen
by the ARMs), but this page will be reused by the kernel unless it is
explicitly reserved, causing the waiting cores to execute random code.

Use the /memreserve/ Device Tree directive to mark the first page as
off-limits to the kernel.

See: https://github.com/raspberrypi/linux/issues/1989
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
 2017-05-15 15:05:29 -07:00
Zhichao Huang
9b619a8f08 KVM: arm: rename pm_fake handler to trap_raz_wi 
pm_fake doesn't quite describe what the handler does (ignoring writes
and returning 0 for reads).

As we're about to use it (a lot) in a different context, rename it
with a (admitedly cryptic) name that make sense for all users.

Signed-off-by: Zhichao Huang <zhichao.huang@linaro.org>
Reviewed-by: Alex Bennee <alex.bennee@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
 2017-05-15 14:29:27 +02:00
Zhichao Huang
661e6b02b5 KVM: arm: plug potential guest hardware debug leakage 
Hardware debugging in guests is not intercepted currently, it means
that a malicious guest can bring down the entire machine by writing
to the debug registers.

This patch enable trapping of all debug registers, preventing the
guests to access the debug registers. This includes access to the
debug mode(DBGDSCR) in the guest world all the time which could
otherwise mess with the host state. Reads return 0 and writes are
ignored (RAZ_WI).

The result is the guest cannot detect any working hardware based debug
support. As debug exceptions are still routed to the guest normal
debug using software based breakpoints still works.

To support debugging using hardware registers we need to implement a
debug register aware world switch as well as special trapping for
registers that may affect the host state.

Cc: stable@vger.kernel.org
Signed-off-by: Zhichao Huang <zhichao.huang@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
 2017-05-15 14:29:19 +02:00
Marc Zyngier
501ad27c67 arm: KVM: Do not use stack-protector to compile HYP code 
We like living dangerously. Nothing explicitely forbids stack-protector
to be used in the HYP code, while distributions routinely compile their
kernel with it. We're just lucky that no code actually triggers the
instrumentation.

Let's not try our luck for much longer, and disable stack-protector
for code living at HYP.

Cc: stable@vger.kernel.org
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
 2017-05-15 11:31:38 +02:00
Marc Zyngier
01630ab854 ARM: KVM: Fix tracepoint generation after move to virt/kvm/arm/ 
Moving most of the shared code to virt/kvm/arm had for consequence
that KVM/ARM doesn't build anymore, because the code that used to
define the tracepoints is now somewhere else.

Fix this by defining CREATE_TRACE_POINTS in coproc.c, and clean-up
trace.h as well.

Fixes: 35d2d5d490 ("KVM: arm/arm64: Move shared files to virt/kvm/arm")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
 2017-05-15 08:58:50 +02:00
Leonard Crestez
d8581c7c8b ARM: dts: imx6sx-sdb: Remove OPP override 
The board file for imx6sx-sdb overrides cpufreq operating points to use
higher voltages. This is done because the board has a shared rail for
VDD_ARM_IN and VDD_SOC_IN and when using LDO bypass the shared voltage
needs to be a value suitable for both ARM and SOC.

This only applies to LDO bypass mode, a feature not present in upstream.
When LDOs are enabled the effect is to use higher voltages than necessary
for no good reason.

Setting these higher voltages can make some boards fail to boot with ugly
semi-random crashes reminiscent of memory corruption. These failures only
happen on board rev. C, rev. B is reported to still work.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Fixes: 54183bd7f7 ("ARM: imx6sx-sdb: add revb board and make it default")
Cc: stable@vger.kernel.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2017-05-15 09:33:22 +08:00
Fabio Estevam
2fe4bff351 ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin 
Currently the following errors are seen:

[   14.015056] mc13xxx 0-0008: Failed to read IRQ status: -6
[   27.321093] mc13xxx 0-0008: Failed to read IRQ status: -6
[   27.411681] mc13xxx 0-0008: Failed to read IRQ status: -6
[   27.456281] mc13xxx 0-0008: Failed to read IRQ status: -6
[   30.527106] mc13xxx 0-0008: Failed to read IRQ status: -6
[   36.596900] mc13xxx 0-0008: Failed to read IRQ status: -6

Also when reading the interrupts via 'cat /proc/interrupts' the
PMIC GPIO interrupt counter does not stop increasing.

The reason for the storm of interrupts is that the PUS field of
register IOMUXC_SW_PAD_CTL_PAD_CSI0_DAT5 is currently configured as:
10 : 100k pullup

and the PMIC interrupt is being registered as IRQ_TYPE_LEVEL_HIGH type,
which is the correct type as per the MC34708 datasheet.

Use the default power on value for the IOMUX, which sets PUS field as:
00: 360k pull down

This prevents the spurious PMIC interrupts from happening.

Commit e1ffceb078 ("ARM: imx53: qsrb: fix PMIC interrupt level")
correctly described the irq type as IRQ_TYPE_LEVEL_HIGH, but
missed to update the IOMUX of the PMIC GPIO as pull down.

Fixes: e1ffceb078 ("ARM: imx53: qsrb: fix PMIC interrupt level")
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2017-05-15 09:33:22 +08:00
Florian Fainelli
b155f05dc5 This pull request brings back bcm2835 DT fixups from Baruch Siach that 
got misplaced after a PR for 4.11 got rejected.
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Merge tag 'bcm2835-dt-next-2017-03-30' into devicetree/fixes

This pull request brings back bcm2835 DT fixups from Baruch Siach that
got misplaced after a PR for 4.11 got rejected.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
 2017-05-13 20:26:09 -07:00
Linus Torvalds
e47b40a235 arm64 2nd set of updates for 4.12: 
- Silence module allocation failures when CONFIG_ARM*_MODULE_PLTS is
   enabled. This requires a check for __GFP_NOWARN in alloc_vmap_area()
 
 - Improve/sanitise user tagged pointers handling in the kernel
 
 - Inline asm fixes/cleanups
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull more arm64 updates from Catalin Marinas:

 - Silence module allocation failures when CONFIG_ARM*_MODULE_PLTS is
   enabled. This requires a check for __GFP_NOWARN in alloc_vmap_area()

 - Improve/sanitise user tagged pointers handling in the kernel

 - Inline asm fixes/cleanups

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Silence first allocation with CONFIG_ARM64_MODULE_PLTS=y
  ARM: Silence first allocation with CONFIG_ARM_MODULE_PLTS=y
  mm: Silence vmap() allocation failures based on caller gfp_flags
  arm64: uaccess: suppress spurious clang warning
  arm64: atomic_lse: match asm register sizes
  arm64: armv8_deprecated: ensure extension of addr
  arm64: uaccess: ensure extension of access_ok() addr
  arm64: ensure extension of smp_store_release value
  arm64: xchg: hazard against entire exchange variable
  arm64: documentation: document tagged pointer stack constraints
  arm64: entry: improve data abort handling of tagged pointers
  arm64: hw_breakpoint: fix watchpoint matching for tagged pointers
  arm64: traps: fix userspace cache maintenance emulation on a tagged pointer
 2017-05-11 11:27:54 -07:00
Florian Fainelli
75d24d968a ARM: Silence first allocation with CONFIG_ARM_MODULE_PLTS=y 
When CONFIG_ARM_MODULE_PLTS is enabled, the first allocation using the
module space fails, because the module is too big, and then the module
allocation is attempted from vmalloc space. Silence the first allocation
failure in that case by setting __GFP_NOWARN.

Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
 2017-05-11 14:43:31 +01:00
Linus Torvalds
791a9a666d Kbuild UAPI header export updates for v4.12 
Improvement of headers_install by Nicolas Dichtel.
 
 It has been long since the introduction of uapi directories,
 but the de-coupling of exported headers has not been completed.
 Headers listed in header-y are exported whether they exist in
 uapi directories or not.  His work fixes this inconsistency.
 
 All (and only) headers under uapi directories are now exported.
 The asm-generic wrappers are still exceptions, but this is a big
 step forward.
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Merge tag 'kbuild-uapi-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild UAPI updates from Masahiro Yamada:
 "Improvement of headers_install by Nicolas Dichtel.

  It has been long since the introduction of uapi directories, but the
  de-coupling of exported headers has not been completed. Headers listed
  in header-y are exported whether they exist in uapi directories or
  not. His work fixes this inconsistency.

  All (and only) headers under uapi directories are now exported. The
  asm-generic wrappers are still exceptions, but this is a big step
  forward"

* tag 'kbuild-uapi-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  arch/include: remove empty Kbuild files
  uapi: export all arch specifics directories
  uapi: export all headers under uapi directories
  smc_diag.h: fix include from userland
  btrfs_tree.h: fix include from userland
  uapi: includes linux/types.h before exporting files
  Makefile.headersinst: remove destination-y option
  Makefile.headersinst: cleanup input files
  x86: stop exporting msr-index.h to userland
  nios2: put setup.h in uapi
  h8300: put bitsperlong.h in uapi
 2017-05-10 20:45:36 -07:00
Linus Torvalds
23ea3f62f3 Kbuild misc updates for 4.12 
- Clean up builddeb script
 
 - Use full path for KBUILD_IMAGE to fix rpm-pkg build
 
 - Fix objdiff tool to ignore debug info
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Merge tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull misc Kbuild updates from Masahiro Yamada:

 - clean up builddeb script

 - use full path for KBUILD_IMAGE to fix rpm-pkg build

 - fix objdiff tool to ignore debug info

* tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  builddeb: fix typo
  builddeb: Update a few outdated and hardcoded strings
  deb-pkg: Remove the KBUILD_IMAGE workaround
  unicore32: Use full path in KBUILD_IMAGE definition
  sh: Use full path in KBUILD_IMAGE definition
  arc: Use full path in KBUILD_IMAGE definition
  arm: Use full path in KBUILD_IMAGE definition
  arm64: Use full path in KBUILD_IMAGE definition
  scripts: objdiff: Ignore debug info when comparing
 2017-05-10 20:41:43 -07:00
Linus Torvalds
b5a53b61a2 Sort of on the quieter side this time, which is probably due more 
to me not catching up as quickly on patch review than anything else.
 Overall it seems normal though, a few small changes to the core, mostly
 small non-critical fixes here and there as well as driver updates for new
 and existing hardware support. The biggest things are the TI clk driver
 rework to lay the groundwork for clkctrl support in the next merge window
 and the AmLogic audio/graphics clk support.
 
 Core:
  * clk_possible_parents debugfs file so we know which parents a clk
    could possibly have
  * Fix to make clk rate change notifiers stop on the first failure instead
    of continuing
 
 New Drivers:
  * Mediatek MT6797 SoCs
  * hi655x PMIC clks
  * AmLogic Meson SoC i2s and spdif audio clks and Mali graphics clks
  * Allwinner H5 SoCs and PRCM hardware
 
 Updates:
  * Nvidia Tegra T210 cleanups and non-critical fixes
  * TI OMAP cleanups in preparation for clkctrl support
  * Trivial fixes like kcalloc(), devm_* conversions, and seq_puts()
  * ZTE zx296718 SoC VGA clks
  * Rockchip clk-ids, fixups, and rename of rk1108 to rv1108
  * Support for IDT VersaClock 5P49V5935
  * Renesas R-Car H3 and M3-W IMR clks and ES2.0 rev of R-Car H3 support
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "Sort of on the quieter side this time, which is probably due more to
  me not catching up as quickly on patch review than anything else.
  Overall it seems normal though, a few small changes to the core,
  mostly small non-critical fixes here and there as well as driver
  updates for new and existing hardware support.

  The biggest things are the TI clk driver rework to lay the groundwork
  for clkctrl support in the next merge window and the AmLogic
  audio/graphics clk support.

  Core:
   - clk_possible_parents debugfs file so we know which parents a clk
     could possibly have
   - Fix to make clk rate change notifiers stop on the first failure
     instead of continuing

  New Drivers:
   - Mediatek MT6797 SoCs
   - hi655x PMIC clks
   - AmLogic Meson SoC i2s and spdif audio clks and Mali graphics clks
   - Allwinner H5 SoCs and PRCM hardware

  Updates:
   - Nvidia Tegra T210 cleanups and non-critical fixes
   - TI OMAP cleanups in preparation for clkctrl support
   - trivial fixes like kcalloc(), devm_* conversions, and seq_puts()
   - ZTE zx296718 SoC VGA clks
   - Rockchip clk-ids, fixups, and rename of rk1108 to rv1108
   - IDT VersaClock 5P49V5935 support
   - Renesas R-Car H3 and M3-W IMR clks and ES2.0 rev of R-Car H3
     support"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (151 commits)
  clk: x86: pmc-atom: Checking for IS_ERR() instead of NULL
  clk: ti: divider: try to fix ti_clk_register_divider
  clk: mvebu: Use kcalloc() in two functions
  clk: mvebu: Use kcalloc() in of_cpu_clk_setup()
  clk: nomadik: Delete error messages for a failed memory allocation in two functions
  clk: nomadik: Use seq_puts() in nomadik_src_clk_show()
  clk: Improve a size determination in two functions
  clk: Replace four seq_printf() calls by seq_putc()
  clk: si5351: Delete an error message for a failed memory allocation in si5351_i2c_probe()
  clk: si5351: Use devm_kcalloc() in si5351_i2c_probe()
  clk: at91: Use kcalloc() in of_at91_clk_pll_get_characteristics()
  reset: mediatek: Add MT2701 ethsys reset controller include file
  clk: mediatek: add mt2701 ethernet reset
  clk: hi6220: Add the hi655x's pmic clock
  clk: ti: fix building without legacy omap3
  clk: ti: fix linker error with !SOC_OMAP4
  clk: hi3620: Fix a typo in one variable name
  clk: hi3620: Delete error messages for a failed memory allocation in two functions
  clk: hi3620: Use kcalloc() in hi3620_mmc_clk_init()
  clk: hisilicon: Delete error messages for failed memory allocations in hisi_clk_init()
  ...
 2017-05-10 13:38:18 -07:00
Linus Torvalds
5ccd414080 Second round of KVM Changes for v4.12: 
* ARM: bugfixes; moved shared 32-bit/64-bit files to virt/kvm/arm;
 support for saving/restoring virtual ITS state to userspace
 
 * PPC: XIVE (eXternal Interrupt Virtualization Engine) support
 
 * x86: nVMX improvements, including emulated page modification logging
 (PML) which brings nice performance improvements on some workloads
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull more KVM updates from Paolo Bonzini:
 "ARM:
   - bugfixes
   - moved shared 32-bit/64-bit files to virt/kvm/arm
   - support for saving/restoring virtual ITS state to userspace

  PPC:
   - XIVE (eXternal Interrupt Virtualization Engine) support

  x86:
   - nVMX improvements, including emulated page modification logging
     (PML) which brings nice performance improvements on some workloads"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (45 commits)
  KVM: arm/arm64: vgic-its: Cleanup after failed ITT restore
  KVM: arm/arm64: Don't call map_resources when restoring ITS tables
  KVM: arm/arm64: Register ITS iodev when setting base address
  KVM: arm/arm64: Get rid of its->initialized field
  KVM: arm/arm64: Register iodevs when setting redist base and creating VCPUs
  KVM: arm/arm64: Slightly rework kvm_vgic_addr
  KVM: arm/arm64: Make vgic_v3_check_base more broadly usable
  KVM: arm/arm64: Refactor vgic_register_redist_iodevs
  KVM: Add kvm_vcpu_get_idx to get vcpu index in kvm->vcpus
  nVMX: Advertise PML to L1 hypervisor
  nVMX: Implement emulated Page Modification Logging
  kvm: x86: Add a hook for arch specific dirty logging emulation
  kvm: nVMX: Validate CR3 target count on nested VM-entry
  KVM: set no_llseek in stat_fops_per_vm
  KVM: arm/arm64: vgic: Rename kvm_vgic_vcpu_init to kvm_vgic_vcpu_enable
  KVM: arm/arm64: Clarification and relaxation to ITS save/restore ABI
  KVM: arm64: vgic-v3: KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES
  KVM: arm64: vgic-its: Fix pending table sync
  KVM: arm64: vgic-its: ITT save and restore
  KVM: arm64: vgic-its: Device table save/restore
  ...
 2017-05-10 11:29:23 -07:00
Nicolas Dichtel
fcc8487d47 uapi: export all headers under uapi directories 
Regularly, when a new header is created in include/uapi/, the developer
forgets to add it in the corresponding Kbuild file. This error is usually
detected after the release is out.

In fact, all headers under uapi directories should be exported, thus it's
useless to have an exhaustive list.

After this patch, the following files, which were not exported, are now
exported (with make headers_install_all):
asm-arc/kvm_para.h
asm-arc/ucontext.h
asm-blackfin/shmparam.h
asm-blackfin/ucontext.h
asm-c6x/shmparam.h
asm-c6x/ucontext.h
asm-cris/kvm_para.h
asm-h8300/shmparam.h
asm-h8300/ucontext.h
asm-hexagon/shmparam.h
asm-m32r/kvm_para.h
asm-m68k/kvm_para.h
asm-m68k/shmparam.h
asm-metag/kvm_para.h
asm-metag/shmparam.h
asm-metag/ucontext.h
asm-mips/hwcap.h
asm-mips/reg.h
asm-mips/ucontext.h
asm-nios2/kvm_para.h
asm-nios2/ucontext.h
asm-openrisc/shmparam.h
asm-parisc/kvm_para.h
asm-powerpc/perf_regs.h
asm-sh/kvm_para.h
asm-sh/ucontext.h
asm-tile/shmparam.h
asm-unicore32/shmparam.h
asm-unicore32/ucontext.h
asm-x86/hwcap2.h
asm-xtensa/kvm_para.h
drm/armada_drm.h
drm/etnaviv_drm.h
drm/vgem_drm.h
linux/aspeed-lpc-ctrl.h
linux/auto_dev-ioctl.h
linux/bcache.h
linux/btrfs_tree.h
linux/can/vxcan.h
linux/cifs/cifs_mount.h
linux/coresight-stm.h
linux/cryptouser.h
linux/fsmap.h
linux/genwqe/genwqe_card.h
linux/hash_info.h
linux/kcm.h
linux/kcov.h
linux/kfd_ioctl.h
linux/lightnvm.h
linux/module.h
linux/nbd-netlink.h
linux/nilfs2_api.h
linux/nilfs2_ondisk.h
linux/nsfs.h
linux/pr.h
linux/qrtr.h
linux/rpmsg.h
linux/sched/types.h
linux/sed-opal.h
linux/smc.h
linux/smc_diag.h
linux/stm.h
linux/switchtec_ioctl.h
linux/vfio_ccw.h
linux/wil6210_uapi.h
rdma/bnxt_re-abi.h

Note that I have removed from this list the files which are generated in every
exported directories (like .install or .install.cmd).

Thanks to Julien Floret <julien.floret@6wind.com> for the tip to get all
subdirs with a pure makefile command.

For the record, note that exported files for asm directories are a mix of
files listed by:
 - include/uapi/asm-generic/Kbuild.asm;
 - arch/<arch>/include/uapi/asm/Kbuild;
 - arch/<arch>/include/asm/Kbuild.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Mark Salter <msalter@redhat.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
 2017-05-11 00:21:54 +09:00
Linus Torvalds
4879b7ae05 dmaengine updates for 4.12-rc1 
This time again a smaller update consisting of:
 
 - support for TI DA8xx dma controller and updates to the cppi driver
 - updates on bunch of drivers like xilinx, pl08x, stm32-dma, mv_xor, ioat,
   dmatest
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Merge tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This time again a smaller update consisting of:

   - support for TI DA8xx dma controller and updates to the cppi driver

   - updates on bunch of drivers like xilinx, pl08x, stm32-dma, mv_xor,
     ioat, dmatest"

* tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (35 commits)
  dmaengine: pl08x: remove lock documentation
  dmaengine: pl08x: fix pl08x_dma_chan_state documentation
  dmaengine: pl08x: Use the BIT() macro consistently
  dmaengine: pl080: Fix some missing kerneldoc
  dmaengine: pl080: Cut some unused defines
  dmaengine: dmatest: Add check for supported buffer count (sg_buffers)
  dmaengine: dmatest: Select DMA_ENGINE_RAID as its needed for the slave_sg test
  dmaengine: virt-dma: Convert to use list_for_each_entry_safe()
  dma-debug: use offset_in_page() macro
  dmaengine: mv_xor: use offset_in_page() macro
  dmaengine: dmatest: use offset_in_page() macro
  dmaengine: sun4i: fix invalid argument
  dmaengine: ioat: use setup_timer
  dmaengine: cppi41: Fix an Oops happening in cppi41_dma_probe()
  dmaengine: pl330: remove pdata based initialization
  dmaengine: cppi: fix build error due to bad variable
  dmaengine: imx-sdma: add 1ms delay to ensure SDMA channel is stopped
  dmaengine: cppi41: use managed functions devm_*()
  dmaengine: cppi41: fix cppi41_dma_tx_status() logic
  dmaengine: qcom_hidma: pause the channel on shutdown
  ...
 2017-05-09 15:40:28 -07:00
Linus Torvalds
28b47809b2 IOMMU Updates for Linux v4.12 
This includes:
 
 	* Some code optimizations for the Intel VT-d driver
 
 	* Code to switch off a previously enabled Intel IOMMU
 
 	* Support for 'struct iommu_device' for OMAP, Rockchip and
 	  Mediatek IOMMUs
 
 	* Some header optimizations for IOMMU core code headers and a
 	  few fixes that became necessary in other parts of the kernel
 	  because of that
 
 	* ACPI/IORT updates and fixes
 
 	* Some Exynos IOMMU optimizations
 
 	* Code updates for the IOMMU dma-api code to bring it closer to
 	  use per-cpu iova caches
 
 	* New command-line option to set default domain type allocated
 	  by the iommu core code
 
 	* Another command line option to allow the Intel IOMMU switched
 	  off in a tboot environment
 
 	* ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using
 	  an IDENTITY domain in conjunction with DMA ops, Support for
 	  SMR masking, Support for 16-bit ASIDs (was previously broken)
 
 	* Various other small fixes and improvements
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Merge tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:

 - code optimizations for the Intel VT-d driver

 - ability to switch off a previously enabled Intel IOMMU

 - support for 'struct iommu_device' for OMAP, Rockchip and Mediatek
   IOMMUs

 - header optimizations for IOMMU core code headers and a few fixes that
   became necessary in other parts of the kernel because of that

 - ACPI/IORT updates and fixes

 - Exynos IOMMU optimizations

 - updates for the IOMMU dma-api code to bring it closer to use per-cpu
   iova caches

 - new command-line option to set default domain type allocated by the
   iommu core code

 - another command line option to allow the Intel IOMMU switched off in
   a tboot environment

 - ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using an
   IDENTITY domain in conjunction with DMA ops, Support for SMR masking,
   Support for 16-bit ASIDs (was previously broken)

 - various other small fixes and improvements

* tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (63 commits)
  soc/qbman: Move dma-mapping.h include to qman_priv.h
  soc/qbman: Fix implicit header dependency now causing build fails
  iommu: Remove trace-events include from iommu.h
  iommu: Remove pci.h include from trace/events/iommu.h
  arm: dma-mapping: Don't override dma_ops in arch_setup_dma_ops()
  ACPI/IORT: Fix CONFIG_IOMMU_API dependency
  iommu/vt-d: Don't print the failure message when booting non-kdump kernel
  iommu: Move report_iommu_fault() to iommu.c
  iommu: Include device.h in iommu.h
  x86, iommu/vt-d: Add an option to disable Intel IOMMU force on
  iommu/arm-smmu: Return IOVA in iova_to_phys when SMMU is bypassed
  iommu/arm-smmu: Correct sid to mask
  iommu/amd: Fix incorrect error handling in amd_iommu_bind_pasid()
  iommu: Make iommu_bus_notifier return NOTIFY_DONE rather than error code
  omap3isp: Remove iommu_group related code
  iommu/omap: Add iommu-group support
  iommu/omap: Make use of 'struct iommu_device'
  iommu/omap: Store iommu_dev pointer in arch_data
  iommu/omap: Move data structures to omap-iommu.h
  iommu/omap: Drop legacy-style device support
  ...
 2017-05-09 15:15:47 -07:00
Arnd Bergmann
e942661130 DTS fixes 
- mt8173: fix mmc parameters
 - set timer frequency explicitly and force the driver to set it
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Merge tag 'v4.11-next-fixes' of https://github.com/mbgg/linux-mediatek into fixes

Pull "DTS fixes" from Matthias Brugger:

- mt8173: fix mmc parameters
- set timer frequency explicitly and force the driver to set it

* tag 'v4.11-next-fixes' of https://github.com/mbgg/linux-mediatek:
  ARM64: dts: mediatek: configure some fixed mmc parameters
  arm: dts: mt7623: add clock-frequency to the a7 timer node to mt7623.dtsi
 2017-05-09 21:14:47 +02:00
Arnd Bergmann
6f92120892 ARM: omap2+: make omap4_get_cpu1_ns_pa_addr declaration usable 
When CONFIG_PM is disabled, we get a build error:

arch/arm/mach-omap2/omap-smp.c: In function 'omap4_smp_maybe_reset_cpu1':
arch/arm/mach-omap2/omap-smp.c:309:20: error: implicit declaration of function 'omap4_get_cpu1_ns_pa_addr'; did you mean 'omap4_get_scu_base'? [-Werror=implicit-function-declaration]

We need to fix this in multiple files, to ensure the declaration is visible,
to actually build the function without CONFIG_PM, and to only call it
when OMAP4 and/or OMAP5 are enabled.

Fixes: 351b7c4907 ("ARM: omap2+: Revert omap-smp.c changes resetting CPU1 during boot")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
 2017-05-09 21:13:25 +02:00
Linus Torvalds
c6778ff813 ARM: 64-bit DT updates 
Device-tree updates for arm64 platforms. Just as with 32-bit, a bunch of smaller
 changes, but also some new platforms that are worth mentioning:
 
  * Rockchip RK3399 platforms for Chromebooks, including Samsung Chromebook
    Plus (Kevin)
  * Orange Pi PC2 (Allwinner H5)
  * Freescale LS2088A and LS1088A SoCs
  * Expanded support for Nvidia Tegra186 (and Jetson TX2)
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM 64-bit DT updates from Olof Johansson:
 "Device-tree updates for arm64 platforms. Just as with 32-bit, a bunch
  of smaller changes, but also some new platforms that are worth
  mentioning:

   - Rockchip RK3399 platforms for Chromebooks, including Samsung
     Chromebook Plus (Kevin)

   - Orange Pi PC2 (Allwinner H5)

   - Freescale LS2088A and LS1088A SoCs

   - Expanded support for Nvidia Tegra186 (and Jetson TX2)"

* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (180 commits)
  arm64: dts: Add basic DT to support Spreadtrum's SP9860G
  arm64: dts: exynos: Use - instead of @ for DT OPP entries
  arm64: dts: exynos: Add support for s6e3hf2 panel device on TM2e board
  arm64: dts: juno: add information about L1 and L2 caches
  arm64: dts: juno: fix few unit address format warnings
  arm64: marvell: dts: enable the crypto engine on the Armada 8040 DB
  arm64: marvell: dts: enable the crypto engine on the Armada 7040 DB
  arm64: marvell: dts: add crypto engine description for 7k/8k
  arm64: dts: marvell: add sdhci support for Armada 7K/8K
  arm64: dts: marvell: add eMMC support for Armada 37xx
  arm64: dts: hisi: add pinctrl dtsi file for HiKey960 development board
  arm64: dts: hisi: add drive strength levels of the pins for Hi3660 SoC
  arm64: dts: hisi: enable the NIC and SAS for the hip07-d05 board
  arm64: dts: hisi: add SAS nodes for the hip07 SoC
  arm64: dts: hisi: add RoCE nodes for the hip07 SoC
  arm64: dts: hisi: add network related nodes for the hip07 SoC
  arm64: dts: hisi: add mbigen nodes for the hip07 SoC
  arm64: dts: rockchip: fix the memory size of PX5 Evaluation board
  arm64: dts: hisilicon: add dts files for hi3798cv200-poplar board
  dt-bindings: arm: hisilicon: add bindings for hi3798cv200 SoC and Poplar board
  ...
 2017-05-09 10:07:33 -07:00
Linus Torvalds
0160e00ae8 ARM: SoC driver updates 
Driver updates for ARM SoCs.
 
 * Reset subsystem, merged through arm-soc by tradition:
  - Make bool drivers explicitly non-modular
  - New support for i.MX7 and Arria10 reset controllers
 
 * PATA driver for Palmchip BK371 (acked by Tejun)
 
 * Power domain drivers for i.MX (GPC, GPCv2)
  - Moved out of mach-imx for GPC
  - Bunch of tweaks, fixes, etc
 
 * PMC support for Tegra186
 
 * SoC detection support for Renesas RZ/G1H and RZ/G1N
 
 * Move Tegra flow controller driver from mach directory to drivers/soc
  - (Power management / CPU power driver)
 
 * Misc smaller tweaks for other platforms
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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 Olof Johansson:
 "Driver updates for ARM SoCs:

  Reset subsystem, merged through arm-soc by tradition:
   - Make bool drivers explicitly non-modular
   - New support for i.MX7 and Arria10 reset controllers

  PATA driver for Palmchip BK371 (acked by Tejun)

  Power domain drivers for i.MX (GPC, GPCv2)
   - Moved out of mach-imx for GPC
   - Bunch of tweaks, fixes, etc

  PMC support for Tegra186

  SoC detection support for Renesas RZ/G1H and RZ/G1N

  Move Tegra flow controller driver from mach directory to drivers/soc
   - (Power management / CPU power driver)

  Misc smaller tweaks for other platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
  soc: pm-domain: Fix the mangled urls
  soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
  soc: renesas: rcar-sysc: Add support for fixing up power area tables
  soc: renesas: Register SoC device early
  soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
  dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible
  soc: imx: gpc: add defines for domain index
  soc: imx: Add GPCv2 power gating driver
  dt-bindings: Add GPCv2 power gating driver
  ARM/clk: move the ICST library to drivers/clk
  ARM: plat-versatile: remove stale clock header
  ARM: keystone: Drop PM domain support for k2g
  soc: ti: Add ti_sci_pm_domains driver
  dt-bindings: Add TI SCI PM Domains
  PM / Domains: Do not check if simple providers have phandle cells
  PM / Domains: Add generic data pointer to genpd data struct
  soc/tegra: Add initial flowctrl support for Tegra132/210
  soc/tegra: flowctrl: Add basic platform driver
  soc/tegra: Move Tegra flowctrl driver
  ARM: tegra: Remove unnecessary inclusion of flowctrl header
  ...
 2017-05-09 10:01:15 -07:00
Linus Torvalds
c81ee18e97 ARM: SoC defconfig updates 
We've traditionally kept defconfig updates in a separate branch, often to
 encourage submaintainers to handle those patches separately to avoid conflicts
 on the shared files. The amount of changes seem to be decreasing though, so
 we might rethink how we handle this going forward.
 
 There really isn't much to write about here. The bulk of changes here
 are enabling drivers for whatever platforms the hardware is found on
 (and multi-configs).
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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 Olof Johansson:
 "We've traditionally kept defconfig updates in a separate branch, often
  to encourage submaintainers to handle those patches separately to
  avoid conflicts on the shared files. The amount of changes seem to be
  decreasing though, so we might rethink how we handle this going
  forward.

  There really isn't much to write about here. The bulk of changes here
  are enabling drivers for whatever platforms the hardware is found on
  (and multi-configs)"

* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
  multi_v7_defconfig: make Rockchip usb2-phy built-in
  ARM: omap2plus_defconfig: Enable droid 4 devices
  ARM: omap2plus_defconfig: Add QMI, ACM and PPP as loadable modules
  ARM: configs: aspeed: Add new drivers
  ARM: configs: aspeed: Update configs for BMC systems
  ARM: omap2plus_defconfig: Enable TI Ethernet PHY
  ARM: configs: Add new config fragment to change RAM start point
  ARM: configs: stm32: Add I2C support
  multi_v7_defconfig: make Rockchip DRM drivers built-in
  ARM: configs: stm32: Set CPU_V7M_NUM_IRQ to max value
  ARM: imx_v6_v7_defconfig: Select SMSC_PHY
  ARM: davinci_all_defconfig: convert to use libata PATA
  ARM: qcom_defconfig: Enable Qualcomm remoteproc and related drivers
  ARM: omap2plus_defconfig: enable ahci-dm816 module
  arm: set CONFIG_MMC_BCM2835=y in bcm2835_defconfig and multi_v7_defconfig
  ARM: bcm2835: Enable missing CMA settings for VC4 driver
  ARM: socfpga: updates for socfpga_defconfig
  ARM: imx_v6_v7_defconfig: Select hid-multitouchdriver
  ARM: imx_v6_v7_defconfig: Select max11801_ts touchscreen driver
  ARM: exynos_defconfig: Increase CONFIG_CMA_SIZE_MBYTES to 96
  ...
 2017-05-09 09:58:15 -07:00
Linus Torvalds
85d604902e ARM: Device-tree updates 
Device-tree continues to see lots of updates. The majority of patches
 here are smaller changes for new hardware on existing platforms, and
 there are a few larger changes worth pointing out.
 
 Major new platforms:
 
  - Gemini has been ported to DT, so a handful of "new" platforms moved over
    from board files
  - Rockchip RK3288 support for Tinkerboard and Phytec phyCORE-RK3288 SoM and RDK
  - A bunch of embedded platforms, several Linksys platforms, Synology DS116,
  - Motorola Droid4 (really old OMAP-based phone) support is added.
 
 Some refactorings, i.e. Allwinner H3/H5 support is commonalized.
 
 And lots of smaller changes, cleanups, etc. See shortlog for more description
 
 We're adding ability to cross-include DT files between arm and arm64,
 by creating appropriate links in the dt-include directory, and using arm/
 and arm64/ as include prefixes. This will avoid other local hacks such as
 per-file links between the two arch trees (this broke for external mirroring
 of DT contents). Now they can just provide their own appropriate dt-include
 hierarcy per platform.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM Device-tree updates from Olof Johansson:
 "Device-tree continues to see lots of updates. The majority of patches
  here are smaller changes for new hardware on existing platforms, and
  there are a few larger changes worth pointing out.

  Major new platforms:

   - Gemini has been ported to DT, so a handful of "new" platforms moved
     over from board files

   - Rockchip RK3288 support for Tinkerboard and Phytec phyCORE-RK3288
     SoM and RDK

   - A bunch of embedded platforms, several Linksys platforms, Synology
     DS116,

   - Motorola Droid4 (really old OMAP-based phone) support is added.

  Some refactorings, i.e. Allwinner H3/H5 support is commonalized.

  And lots of smaller changes, cleanups, etc. See shortlog for more
  description

  We're adding ability to cross-include DT files between arm and arm64,
  by creating appropriate links in the dt-include directory, and using
  arm/ and arm64/ as include prefixes. This will avoid other local hacks
  such as per-file links between the two arch trees (this broke for
  external mirroring of DT contents). Now they can just provide their
  own appropriate dt-include hierarcy per platform"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (349 commits)
  ARM: dts: exynos: Use - instead of @ for DT OPP entries
  arm: spear6xx: add DT description of the ADC on SPEAr600
  arm: spear6xx: remove unneeded pinctrl properties in spear600-evb
  arm: spear6xx: switch spear600-evb to the new flash partition DT binding
  arm: spear6xx: fix spaces in spear600-evb.dts
  arm: spear6xx: use node labels in spear600-evb.dts
  arm: spear6xx: add labels to various nodes in spear600.dtsi
  ARM: dts: vexpress: fix few unit address format warnings
  ARM: dts: at91: sama5d3_xplained: not all ADC channels are available
  ARM: dts: at91: sama5d3_xplained: fix ADC vref
  ARM: dts: at91: add envelope detector mux to the Axentia TSE-850
  ARM: dts: armada-38x: label USB and SATA nodes
  ARM: dts: imx6q-utilite-pro: add hpd gpio
  ARM: dts: imx6qp-sabresd: Set reg_arm regulator supply
  ARM: dts: imx6qdl-sabresd: Set LDO regulator supply
  ARM: dts: imx: add Gateworks Ventana GW5903 support
  ARM: dts: i.MX25: add AIPS control registers
  ARM: dts: imx7-colibri: add Carrier Board 3.3V/5V regulators
  ARM: dts: imx7-colibri: remove 1.8V fixed regulator
  ARM: dts: imx7-colibri: allow to disable Ethernet rail
  ...
 2017-05-09 09:54:39 -07:00
Linus Torvalds
8d648aad05 ARM: SoC platform updates 
SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
 for a few platforms:
 
 * Gemini:
  - Legacy platform that Linus Walleij has converted to multiplatform
    and DT, so a handful of various tweaks there, removal of some old
    stale support, etc.
 
 * Atmel AT91:
  - Fixup of various power management related pieces
  - Move of SoC detection to a drivers/soc driver instead
 
 * ST Micro STM32:
  - New SoC support: STM32H743
 
 * TI platforms:
  - More driver support for Davinci (SATA in particular)
  - Removal of some old stale hwmod files (linkspace platform)
 
 * Misc:
  - A couple of smaller patches for i.MX, sunxi, hisi
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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 Olof Johansson:
 "SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
  for a few platforms:

  Gemini:
   - Legacy platform that Linus Walleij has converted to multiplatform
     and DT, so a handful of various tweaks there, removal of some old
     stale support, etc.

  Atmel AT91:
   - Fixup of various power management related pieces
   - Move of SoC detection to a drivers/soc driver instead

  ST Micro STM32:
   - New SoC support: STM32H743

  TI platforms:
   - More driver support for Davinci (SATA in particular)
   - Removal of some old stale hwmod files (linkspace platform)

  Misc:
   - A couple of smaller patches for i.MX, sunxi, hisi"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits)
  ARM: davinci: Add clock for CPPI 4.1 DMA engine
  ARM: mxs: add support for I2SE Duckbill 2 boards
  MAINTAINERS: Update the Allwinner sunXi entry
  ARM: i.MX25: globally disable supervisor protect
  ARM: at91: move SoC detection to its own driver
  ARM: at91: pm: correct typo
  ARM: at91: pm: Remove at91_pm_set_standby
  ARM: at91: pm: Merge all at91sam9*_pm_init
  ARM: at91: pm: Tie the USB clock mask to the pmc
  ARM: at91: pm: Tie the memory controller type to the ramc id
  ARM: at91: pm: Workaround DDRSDRC self-refresh bug with LPDDR1 memories.
  ARM: at91: pm: Simplify at91rm9200_standby
  ARM: at91: pm: Use struct at91_pm_data in pm_suspend.S
  ARM: at91: pm: Move global variables into at91_pm_data
  ARM: at91: pm: Move at91_ramc_read/write to pm.c
  ARM: at91: pm: Cleanup headers
  MAINTAINERS: Add memory drivers to AT91 entry
  MAINTAINERS: Update AT91 entry
  ARM: davinci: add pata_bk3710 libata driver support
  ARM: OMAP2+: mark omap_init_rng as __init
  ...
 2017-05-09 09:49:36 -07:00
John Crispin
7e6c7fe95e arm: dts: mt7623: add clock-frequency to the a7 timer node to mt7623.dtsi 
We need to tell the driver what the timers frequency is and that the core
has not be configured by the bootrom. Not doing so makes the unit not
boot.

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
 2017-05-09 18:34:49 +02:00
Linus Torvalds
e07e368b27 ARM: SoC non-urgent fixes for merge window 
Smaller patches that didn't seem to find a home in other branches, and
 low-priority fixes from late in the merge window. A number of these are
 MAINTAINER updates, it seems.
 
 Highlights:
 
 * Maintainers:
  - Remove Alexandre Courbot and Stephen Warren from Tegra maintainership,
    add Jon Hunter
  - Remove Stephen Warren and add Stefan Wahren to bcm2835
  - Tweaks for file flagging for Marvell Dove
 
 * Fixes:
  - For two non-common-clk platform, handle clk_disable with NULL arg
  - Remove redundant Kconfig select for Oxnas
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull misc ARM SoC fixes from Olof Johansson:
 "ARM SoC non-urgent fixes for merge window

  Smaller patches that didn't seem to find a home in other branches, and
  low-priority fixes from late in the merge window. A number of these
  are MAINTAINER updates, it seems.

  Highlights:

   * Maintainers:
     - Remove Alexandre Courbot and Stephen Warren from Tegra
       maintainership, add Jon Hunter
     - Remove Stephen Warren and add Stefan Wahren to bcm2835
     - Tweaks for file flagging for Marvell Dove

   * Fixes:
     - For two non-common-clk platform, handle clk_disable with NULL arg
     - Remove redundant Kconfig select for Oxnas"

* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: mmp: let clk_disable() return immediately if clk is NULL
  ARM: w90x900: let clk_disable() return immediately if clk is NULL
  MAINTAINERS: Add file patterns for dove device tree bindings
  ARM: oxnas: remove redundant select CPU_V6K
  MAINTAINERS: tegra: Remove self as maintainer
  MAINTAINERS: tegra: Replace Stephen with Jon
  MAINTAINERS: Add Stefan Wahren to bcm2835.
  MAINTAINERS: remove swarren from bcm2835
  MAINTAINERS: Add Jon Mason to BCM5301X maintainers
 2017-05-09 09:20:16 -07:00
Paolo Bonzini
36c344f3f1 Second round of KVM/ARM Changes for v4.12. 
Changes include:
  - A fix related to the 32-bit idmap stub
  - A fix to the bitmask used to deode the operands of an AArch32 CP
    instruction
  - We have moved the files shared between arch/arm/kvm and
    arch/arm64/kvm to virt/kvm/arm
  - We add support for saving/restoring the virtual ITS state to
    userspace
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Merge tag 'kvm-arm-for-v4.12-round2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

Second round of KVM/ARM Changes for v4.12.

Changes include:
 - A fix related to the 32-bit idmap stub
 - A fix to the bitmask used to deode the operands of an AArch32 CP
   instruction
 - We have moved the files shared between arch/arm/kvm and
   arch/arm64/kvm to virt/kvm/arm
 - We add support for saving/restoring the virtual ITS state to
   userspace
 2017-05-09 12:51:49 +02:00