56848 Commits

Author SHA1 Message Date
Arnd Bergmann
c889e2a0b0 Merge branch 'milbeaut/newsoc' into arm/newsoc
Sugaya Taichi <sugaya.taichi@socionext.com> explains:

Here is the series of patches the initial support for SC2000(M10V) of
Milbeaut SoCs. "M10V" is the internal name of SC2000, so commonly used in
source code.

SC2000 is a SoC of the Milbeaut series. equipped with a DSP optimized for
computer vision. It also features advanced functionalities such as 360-degree,
real-time spherical stitching with multi cameras, image stabilization for
without mechanical gimbals, and rolling shutter correction. More detail is
below:
https://www.socionext.com/en/products/assp/milbeaut/SC2000.html

Specifications for developers are below:
 - Quad-core 32bit Cortex-A7 on ARMv7-A architecture
 - NEON support
 - DSP
 - GPU
 - MAX 3GB DDR3
 - Cortex-M0 for power control
 - NAND Flash Interface
 - SD UHS-I
 - SD UHS-II
 - SDIO
 - USB2.0 HOST / Device
 - USB3.0 HOST / Device
 - PCI express Gen2
 - Ethernet Engine
 - I2C
 - UART
 - SPI
 - PWM

Support is quite minimal for now, since it only includes timer, clock,
pictrl and serial controller drivers, so we can only boot to userspace
through initramfs. Support for the other peripherals  will come eventually.

* milbeaut/newsoc:
  ARM: multi_v7_defconfig: add ARCH_MILBEAUT and ARCH_MILBEAUT_M10V
  ARM: configs: Add Milbeaut M10V defconfig
  ARM: dts: milbeaut: Add device tree set for the Milbeaut M10V board
  clocksource/drivers/timer-milbeaut: Introduce timer for Milbeaut SoCs
  dt-bindings: timer: Add Milbeaut M10V timer description
  ARM: milbeaut: Add basic support for Milbeaut m10v SoC
  dt-bindings: Add documentation for Milbeaut SoCs
  dt-bindings: arm: Add SMP enable-method for Milbeaut
  dt-bindings: sram: milbeaut: Add binding for Milbeaut smp-sram

Link: https://lore.kernel.org/linux-arm-kernel/1551243056-10521-1-git-send-email-sugaya.taichi@socionext.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:21:04 +01:00
Sugaya Taichi
2781204594 ARM: multi_v7_defconfig: add ARCH_MILBEAUT and ARCH_MILBEAUT_M10V
Add and enable the Milbeaut M10V architecture. These configs select those
of the clock, timer and serial driver for M10V.

Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:18:54 +01:00
Sugaya Taichi
4d0eacb02b ARM: configs: Add Milbeaut M10V defconfig
This patch adds the minimal defconfig for the Milbeaut M10V.

Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:18:54 +01:00
Sugaya Taichi
bbaad14423 ARM: dts: milbeaut: Add device tree set for the Milbeaut M10V board
Add devicetree for Milbeaut M10V SoC and M10V Evaluation board.

Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:18:54 +01:00
Sugaya Taichi
9fb29c734f ARM: milbeaut: Add basic support for Milbeaut m10v SoC
This adds the basic M10V SoC support under arch/arm.
Since all cores are activated in the custom bootloader before booting
linux, it is necessary to wait for the secondary-cores using cpu-enable-
method and special sram.

Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:18:26 +01:00
Marek Szyprowski
a3238924a8 ARM: dts: exynos: Fix max voltage for buck8 regulator on Odroid XU3/XU4
The maximum voltage value for buck8 regulator on Odroid XU3/XU4 boards is
set too low. Increase it to the 2000mV as specified on the board schematic.
So far the board worked fine, because of the bug in the PMIC driver, which
used incorrect step value for that regulator. It interpreted the voltage
value set by the bootloader as 1225mV and kept it unchanged. The regulator
driver has been however fixed recently in the commit 56b5d4ea778c
("regulator: s2mps11: Fix steps for buck7, buck8 and LDO35"), what results
in reading the proper buck8 value and forcing it to 1500mV on boot. This
is not enough for proper board operation and results in eMMC errors during
heavy IO traffic. Increasing maximum voltage value for buck8 restores
original driver behavior and fixes eMMC issues.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: 86a2d2ac5e5d ("ARM: dts: Add dts file for Odroid XU3 board")
Fixes: 56b5d4ea778c ("regulator: s2mps11: Fix steps for buck7, buck8 and LDO35")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:10:30 +01:00
Linus Walleij
31b0067e8d ARM: spear3xx_defconfig: Activate PL111 DRM driver
This disables the old FBDEV driver and enables the PL111
DRM driver on the SPEAr3xx.

There are some device trees in the kernel that switches
the DT node for the PL110 to "okay" but none of these
have any display defined, so we can safely switch to this
driver before we get any users starting to define
displays. Let them do it on top of the new driver
infrastructure instead.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:09:21 +01:00
Linus Walleij
00c15bb031 ARM: nhk8815_defconfig: Add new options
This adds some new driver options to the Nomadik NHK8815 defconfig:
- Activate IIO driver
- Enable CMA for coherent graphics allocations
- Activate DRM framebuffer driver for PL111
- Activate DRM panel driver for TPO TPG110
- Activate SPI GPIO driver (talks to the display)
- Activate STMPE PWM driver (used for display backlight)
- Activate PWM backlight
- Activate STw481x driver (PMIC)

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:07:23 +01:00
Linus Walleij
2be5274609 ARM: nhk8815_defconfig: Update defconfig
This updates the NHK8815 defconfig to reflect the recent
structural changes in Kconfigs all over the kernel:

- PREEMPT option was moved around
- MODULES options were moved around
- MTD_NAND options were moved around
- INPUT_MOUSEDEV doesn't have to be explicitly unselected
  anymore (not on by default)
- DEBUG_GPIO should really not be in any default config
- MMC_BLOCK_BOUNCE is gone from Kconfig
- CRYPTO options were moved around

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:07:10 +01:00
Arnd Bergmann
f1685af78c ARM: pxa: remove CONFIG_SND_PXA2XX_AC97 in pxa_defconfig
The CONFIG_SND_PXA2XX_AC97 driver is for the old AC97 bus implementation,
and conflicts with all the new-style AC97 drivers after the conversion,
so the drivers we want all get turned off.

Not disabling the symbol however does the right thing, and we get
the drivers that are selectively enabled here.

Fixes: 25540f68c871 ("ASoC: pxa: change ac97 dependencies")
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:02:26 +01:00
Joerg Roedel
d05e4c8600 Merge branches 'iommu/fixes', 'arm/msm', 'arm/tegra', 'arm/mediatek', 'x86/vt-d', 'x86/amd', 'hyper-v' and 'core' into next 2019-03-01 11:24:51 +01:00
Linus Torvalds
3f25a5990d Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes a compiler warning introduced by a previous fix, as well as
  two crash bugs on ARM"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: sha512/arm - fix crash bug in Thumb2 build
  crypto: sha256/arm - fix crash bug in Thumb2 build
  crypto: ccree - add missing inline qualifier
2019-02-28 09:05:18 -08:00
Ingo Molnar
9ed8f1a6e7 Merge branch 'linus' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-02-28 08:27:17 +01:00
Thomas Gleixner
cfbe271667 y2038: additional syscall ABI cleanup
This is a follow-up to the y2038 syscall patches already merged in the tip
 tree.  As the final 32-bit RISC-V syscall ABI is still being decided on,
 this is the last chance to make a few corrections to leave out interfaces
 based on 32-bit time_t along with the old off_t and rlimit types.
 
 The series achieves this in a few steps:
 
 - A couple of bug fixes for minor regressions I introduced
   in the original series
 
 - A couple of older patches from Yury Norov that I had never
   merged in the past, these fix up the openat/open_by_handle_at and
   getrlimit/setrlimit syscalls to disallow the old versions of off_t
   and rlimit.
 
 - Hiding the deprecated system calls behind an #ifdef in
   include/uapi/asm-generic/unistd.h
 
 - Change arch/riscv to drop all these ABIs.
 
 Originally, the plan was to also leave these out on C-Sky, but that now
 has a glibc port that uses the older interfaces, so we need to leave
 them in place.
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Merge tag 'y2038-syscall-abi' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground into timers/2038

Pull additional syscall ABI cleanup for y2038 from Arnd Bergmann:

This is a follow-up to the y2038 syscall patches already merged in the tip
tree.  As the final 32-bit RISC-V syscall ABI is still being decided on,
this is the last chance to make a few corrections to leave out interfaces
based on 32-bit time_t along with the old off_t and rlimit types.

The series achieves this in a few steps:

- A couple of bug fixes for minor regressions I introduced
  in the original series

- A couple of older patches from Yury Norov that I had never
  merged in the past, these fix up the openat/open_by_handle_at and
  getrlimit/setrlimit syscalls to disallow the old versions of off_t
  and rlimit.

- Hiding the deprecated system calls behind an #ifdef in
  include/uapi/asm-generic/unistd.h

- Change arch/riscv to drop all these ABIs.

Originally, the plan was to also leave these out on C-Sky, but that now
has a glibc port that uses the older interfaces, so we need to leave
them in place.
2019-02-27 21:45:27 +01:00
Vladimir Murzin
d410a8a49e ARM: 8849/1: NOMMU: Fix encodings for PMSAv8's PRBAR4/PRLAR4
To access PRBARn, where n is referenced as a binary number:

MRC p15, 0, <Rt>, c6, c8+n[3:1], 4*n[0] ; Read PRBARn into Rt
MCR p15, 0, <Rt>, c6, c8+n[3:1], 4*n[0] ; Write Rt into PRBARn

To access PRLARn, where n is referenced as a binary number:

MRC p15, 0, <Rt>, c6, c8+n[3:1], 4*n[0]+1 ; Read PRLARn into Rt
MCR p15, 0, <Rt>, c6, c8+n[3:1], 4*n[0]+1 ; Write Rt into PRLARn

For PR{B,L}AR4, n is 4, n[0] is 0, n[3:1] is 2, while current encoding
done with n[0] set to 1 which is wrong. Use proper encoding instead.

Fixes: 046835b4aa22b9ab6aa0bb274e3b71047c4b887d ("ARM: 8757/1: NOMMU: Support PMSAv8 MPU")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-26 11:35:56 +00:00
Vladimir Murzin
9db043d36b ARM: 8848/1: virt: Align GIC version check with arm64 counterpart
arm64 has got relaxation on GIC version check at early boot stage due
to update of the GIC architecture let's align ARM with that.

To help backports (even though the code was correct at the time of writing)
Fixes: e59941b9b381 ("ARM: 8527/1: virt: enable GICv3 system registers")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-26 11:33:48 +00:00
Marek Szyprowski
ca70ea43f8 ARM: 8847/1: pm: fix HYP/SVC mode mismatch when MCPM is used
MCPM does a soft reset of the CPUs and uses common cpu_resume() routine to
perform low-level platform initialization. This results in a try to install
HYP stubs for the second time for each CPU and results in false HYP/SVC
mode mismatch detection. The HYP stubs are already installed at the
beginning of the kernel initialization on the boot CPU (head.S) or in the
secondary_startup() for other CPUs. To fix this issue MCPM code should use
a cpu_resume() routine without HYP stubs installation.

This change fixes HYP/SVC mode mismatch on Samsung Exynos5422-based Odroid
XU3/XU4/HC1 boards.

Fixes: 3721924c8154 ("ARM: 8081/1: MCPM: provide infrastructure to allow for MCPM loopback")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-26 11:32:54 +00:00
Stefan Agner
b7e8c9397c ARM: 8845/1: use unified assembler in c files
Use unified assembler syntax (UAL) in inline assembler. Divided
syntax is considered deprecated. This will also allow to build
the kernel using LLVM's integrated assembler.

When compiling non-Thumb2 GCC always emits a ".syntax divided"
at the beginning of the inline assembly which makes the
assembler fail. Since GCC 5 there is the -masm-syntax-unified
GCC option which make GCC assume unified syntax asm and hence
emits ".syntax unified" even in ARM mode. However, the option
is broken since GCC version 6 (see GCC PR88648 [1]). Work
around by adding ".syntax unified" as part of the inline
assembly.

[0] https://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html#index-masm-syntax-unified
[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88648

Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-26 11:26:08 +00:00
Stefan Agner
e44fc38818 ARM: 8844/1: use unified assembler in assembly files
Use unified assembler syntax (UAL) in assembly files. Divided
syntax is considered deprecated. This will also allow to build
the kernel using LLVM's integrated assembler.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-26 11:26:07 +00:00
Stefan Agner
c001899a5d ARM: 8843/1: use unified assembler in headers
Use unified assembler syntax (UAL) in headers. Divided syntax is
considered deprecated. This will also allow to build the kernel
using LLVM's integrated assembler.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-26 11:26:06 +00:00
Stefan Agner
a216376add ARM: 8841/1: use unified assembler in macros
Use unified assembler syntax (UAL) in macros. Divided syntax is
considered deprecated. This will also allow to build the kernel
using LLVM's integrated assembler.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-26 11:25:43 +00:00
Sebastian Andrzej Siewior
74ffe79ae5 ARM: 8840/1: use a raw_spinlock_t in unwind
Mostly unwind is done with irqs enabled however SLUB may call it with
irqs disabled while creating a new SLUB cache.

I had system freeze while loading a module which called
kmem_cache_create() on init. That means SLUB's __slab_alloc() disabled
interrupts and then

->new_slab_objects()
 ->new_slab()
  ->setup_object()
   ->setup_object_debug()
    ->init_tracking()
     ->set_track()
      ->save_stack_trace()
       ->save_stack_trace_tsk()
        ->walk_stackframe()
         ->unwind_frame()
          ->unwind_find_idx()
           =>spin_lock_irqsave(&unwind_lock);

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-26 11:24:51 +00:00
Yang Shi
143c2a89e0 ARM: 8839/1: kprobe: make patch_lock a raw_spinlock_t
When running kprobe on -rt kernel, the below bug is caught:

|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:931
|in_atomic(): 1, irqs_disabled(): 128, pid: 14, name: migration/0
|Preemption disabled at:[<802f2b98>] cpu_stopper_thread+0xc0/0x140
|CPU: 0 PID: 14 Comm: migration/0 Tainted: G O 4.8.3-rt2 #1
|Hardware name: Freescale LS1021A
|[<8025a43c>] (___might_sleep)
|[<80b5b324>] (rt_spin_lock)
|[<80b5c31c>] (__patch_text_real)
|[<80b5c3ac>] (patch_text_stop_machine)
|[<802f2920>] (multi_cpu_stop)

Since patch_text_stop_machine() is called in stop_machine() which
disables IRQ, sleepable lock should be not used in this atomic context,
 so replace patch_lock to raw lock.

Signed-off-by: Yang Shi <yang.shi@linaro.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-26 11:24:50 +00:00
Linus Walleij
014e90ca44 ARM: dts: gemini: Re-enable display controller
commit 137cd7100ec6fa36d610e106df00acb4d8af99df
"ARM: dts: Enable Gemini flash access" contained a bug
by disabling the display controller, while the whole
idea with the patch was to enable flash access AND
the display controller, simultaneously. Fix it up.

Fixes: 137cd7100ec6 ("ARM: dts: Enable Gemini flash access")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-25 11:16:30 +01:00
Rafael J. Wysocki
17162a117c Merge back earlier cpufreq material for v5.1. 2019-02-24 21:18:05 +01:00
David S. Miller
70f3522614 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Three conflicts, one of which, for marvell10g.c is non-trivial and
requires some follow-up from Heiner or someone else.

The issue is that Heiner converted the marvell10g driver over to
use the generic c45 code as much as possible.

However, in 'net' a bug fix appeared which makes sure that a new
local mask (MDIO_AN_10GBT_CTRL_ADV_NBT_MASK) with value 0x01e0
is cleared.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-24 12:06:19 -08:00
Linus Torvalds
9053d2db8b ARM: SoC fixes for 5.0
Only a handful of device tree fixes, all simple enough:
 
 NVIDIA Tegra:
  - Fix a regression for booting on chromebooks
 
 TI OMAP:
  - Two fixes PHY mode on am335x reference boards
 
 Marvell mvebu:
  - A regression fix for Armada XP NAND flash controllers
  - An incorrect reset signal on the clearfog board
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Only a handful of device tree fixes, all simple enough:

  NVIDIA Tegra:
   - Fix a regression for booting on chromebooks

  TI OMAP:
   - Two fixes PHY mode on am335x reference boards

  Marvell mvebu:
   - A regression fix for Armada XP NAND flash controllers
   - An incorrect reset signal on the clearfog board"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: tegra: Restore DT ABI on Tegra124 Chromebooks
  ARM: dts: am335x-evm: Fix PHY mode for ethernet
  ARM: dts: am335x-evmsk: Fix PHY mode for ethernet
  arm64: dts: clearfog-gt-8k: fix SGMII PHY reset signal
  ARM: dts: armada-xp: fix Armada XP boards NAND description
2019-02-22 16:48:37 -08:00
Arnd Bergmann
2547635054 One change to deprecate old CPSW Ethernet PHY mode selection driver
With the device tree changes configuring CPSW with a proper PHY driver,
 we want to deprecate the old driver to avoid new users for it.
 
 Note that this driver is based on the related dts changes.
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Merge tag 'omap-for-v5.1/cpsw-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/late

One change to deprecate old CPSW Ethernet PHY mode selection driver

With the device tree changes configuring CPSW with a proper PHY driver,
we want to deprecate the old driver to avoid new users for it.

Note that this driver is based on the related dts changes.

* tag 'omap-for-v5.1/cpsw-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  net: ethernet: ti: cpsw: deprecate cpsw-phy-sel driver

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-22 22:13:46 +01:00
Linus Walleij
1a4aacdeb5 ARM: defconfig: integrator: Switch to DRM
This switches the ARM Integrator to use the new PL11x DRM
driver. We need CMA enabled to get coherent allocations
at all times. The dumb VGA DAC bridge is needed for
the VGA output on the reference designs, and backlight
is needed when using an external display.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-22 22:08:22 +01:00
Paolo Bonzini
71783e09b4 KVM/arm updates for Linux v5.1
- A number of pre-nested code rework
 - Direct physical timer assignment on VHE systems
 - kvm_call_hyp type safety enforcement
 - Set/Way cache sanitisation for 32bit guests
 - Build system cleanups
 - A bunch of janitorial fixes
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Merge tag 'kvmarm-for-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-next

KVM/arm updates for Linux v5.1

- A number of pre-nested code rework
- Direct physical timer assignment on VHE systems
- kvm_call_hyp type safety enforcement
- Set/Way cache sanitisation for 32bit guests
- Build system cleanups
- A bunch of janitorial fixes
2019-02-22 17:45:05 +01:00
Arnd Bergmann
203a0d4172 mvebu dt for 5.1 (part 2)
Follow-up fixing DT warning introduced by previous pull request
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Merge tag 'mvebu-dt-5.1-2' of git://git.infradead.org/linux-mvebu into arm/dt

mvebu dt for 5.1 (part 2)

Follow-up fixing DT warning introduced by previous pull request

* tag 'mvebu-dt-5.1-2' of git://git.infradead.org/linux-mvebu:
  arch: arm: dts: kirkwood-rd88f6281: Remove disabled marvell,dsa reference

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-22 14:58:59 +01:00
Arnd Bergmann
2f8b1ce19e mvebu fixes for 5.0 (part 2)
Fix PHY reset signal on clearfog gt 8K (Armada 8040 based)
 Fix NAND description on Armada XP boards which was broken since a few
 release
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Merge tag 'mvebu-fixes-5.0-2' of git://git.infradead.org/linux-mvebu into arm/fixes

mvebu fixes for 5.0 (part 2)

Fix PHY reset signal on clearfog gt 8K (Armada 8040 based)
Fix NAND description on Armada XP boards which was broken since a few
release

* tag 'mvebu-fixes-5.0-2' of git://git.infradead.org/linux-mvebu:
  arm64: dts: clearfog-gt-8k: fix SGMII PHY reset signal
  ARM: dts: armada-xp: fix Armada XP boards NAND description

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-22 14:58:41 +01:00
Arnd Bergmann
847aed392f Device tree changes to make CPSW Ethernet use proper phy driver
We now have a proper PHY driver with drivers/phy/ti/phy-gmii-sel.c to
 configure the CPSW PHY. These changes update all CPSW users to use the
 new driver that already got merged during v5.0 merge window.
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Merge tag 'omap-for-v5.1/dt-cpsw-phy' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/dt

Device tree changes to make CPSW Ethernet use proper phy driver

We now have a proper PHY driver with drivers/phy/ti/phy-gmii-sel.c to
configure the CPSW PHY. These changes update all CPSW users to use the
new driver that already got merged during v5.0 merge window.

* tag 'omap-for-v5.1/dt-cpsw-phy' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  dt-bindings: net: ti: deprecate cpsw-phy-sel bindings
  ARM: dts: am335x: switch to use phy-gmii-sel
  ARM: dts: am4372: switch to use phy-gmii-sel
  ARM: dts: dm814x: switch to use phy-gmii-sel
  ARM: dts: dra7: switch to use phy-gmii-sel

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-22 14:55:16 +01:00
Arnd Bergmann
3858bfca2b Two am335x ethernet phy mode fixes for v5.0-rc cycle
Recent changes with commit cd28d1d6e52e: ("net: phy: at803x: Disable phy
 delay for RGMII mode") broke Ethernet on am335x-evmsk, and turns out some
 device driver fixes are needed.
 
 Even without the driver fixes, am335x needs to run in rgmii-id mode instead
 rgmii-txid mode. Things have been working based on luck as the broken driver
 has been configuring rgmii-id mode. Let's fix that as that way things work
 as they're supposed to work from hardware wiring point of view.
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Merge tag 'omap-for-v5.0/fixes-rc7-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Two am335x ethernet phy mode fixes for v5.0-rc cycle

Recent changes with commit cd28d1d6e52e: ("net: phy: at803x: Disable phy
delay for RGMII mode") broke Ethernet on am335x-evmsk, and turns out some
device driver fixes are needed.

Even without the driver fixes, am335x needs to run in rgmii-id mode instead
rgmii-txid mode. Things have been working based on luck as the broken driver
has been configuring rgmii-id mode. Let's fix that as that way things work
as they're supposed to work from hardware wiring point of view.

* tag 'omap-for-v5.0/fixes-rc7-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: am335x-evm: Fix PHY mode for ethernet
  ARM: dts: am335x-evmsk: Fix PHY mode for ethernet

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-22 14:54:02 +01:00
Eric Biggers
511306b2d0 crypto: arm/aes-ce - update IV after partial final CTR block
Make the arm ctr-aes-ce algorithm update the IV buffer to contain the
next counter after processing a partial final block, rather than leave
it as the last counter.  This makes ctr-aes-ce pass the updated AES-CTR
tests.  This change also makes the code match the arm64 version in
arch/arm64/crypto/aes-modes.S more closely.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-02-22 12:47:27 +08:00
Ard Biesheuvel
c643165020 crypto: sha512/arm - fix crash bug in Thumb2 build
The SHA512 code we adopted from the OpenSSL project uses a rather
peculiar way to take the address of the round constant table: it
takes the address of the sha256_block_data_order() routine, and
substracts a constant known quantity to arrive at the base of the
table, which is emitted by the same assembler code right before
the routine's entry point.

However, recent versions of binutils have helpfully changed the
behavior of references emitted via an ADR instruction when running
in Thumb2 mode: it now takes the Thumb execution mode bit into
account, which is bit 0 af the address. This means the produced
table address also has bit 0 set, and so we end up with an address
value pointing 1 byte past the start of the table, which results
in crashes such as

  Unable to handle kernel paging request at virtual address bf825000
  pgd = 42f44b11
  [bf825000] *pgd=80000040206003, *pmd=5f1bd003, *pte=00000000
  Internal error: Oops: 207 [#1] PREEMPT SMP THUMB2
  Modules linked in: sha256_arm(+) sha1_arm_ce sha1_arm ...
  CPU: 7 PID: 396 Comm: cryptomgr_test Not tainted 5.0.0-rc6+ #144
  Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
  PC is at sha256_block_data_order+0xaaa/0xb30 [sha256_arm]
  LR is at __this_module+0x17fd/0xffffe800 [sha256_arm]
  pc : [<bf820bca>]    lr : [<bf824ffd>]    psr: 800b0033
  sp : ebc8bbe8  ip : faaabe1c  fp : 2fdd3433
  r10: 4c5f1692  r9 : e43037df  r8 : b04b0a5a
  r7 : c369d722  r6 : 39c3693e  r5 : 7a013189  r4 : 1580d26b
  r3 : 8762a9b0  r2 : eea9c2cd  r1 : 3e9ab536  r0 : 1dea4ae7
  Flags: Nzcv  IRQs on  FIQs on  Mode SVC_32  ISA Thumb  Segment user
  Control: 70c5383d  Table: 6b8467c0  DAC: dbadc0de
  Process cryptomgr_test (pid: 396, stack limit = 0x69e1fe23)
  Stack: (0xebc8bbe8 to 0xebc8c000)
  ...
  unwind: Unknown symbol address bf820bca
  unwind: Index not found bf820bca
  Code: 441a ea80 40f9 440a (f85e) 3b04
  ---[ end trace e560cce92700ef8a ]---

Given that this affects older kernels as well, in case they are built
with a recent toolchain, apply a minimal backportable fix, which is
to emit another non-code label at the start of the routine, and
reference that instead. (This is similar to the current upstream state
of this file in OpenSSL)

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-02-22 12:40:56 +08:00
Ard Biesheuvel
69216a545c crypto: sha256/arm - fix crash bug in Thumb2 build
The SHA256 code we adopted from the OpenSSL project uses a rather
peculiar way to take the address of the round constant table: it
takes the address of the sha256_block_data_order() routine, and
substracts a constant known quantity to arrive at the base of the
table, which is emitted by the same assembler code right before
the routine's entry point.

However, recent versions of binutils have helpfully changed the
behavior of references emitted via an ADR instruction when running
in Thumb2 mode: it now takes the Thumb execution mode bit into
account, which is bit 0 af the address. This means the produced
table address also has bit 0 set, and so we end up with an address
value pointing 1 byte past the start of the table, which results
in crashes such as

  Unable to handle kernel paging request at virtual address bf825000
  pgd = 42f44b11
  [bf825000] *pgd=80000040206003, *pmd=5f1bd003, *pte=00000000
  Internal error: Oops: 207 [#1] PREEMPT SMP THUMB2
  Modules linked in: sha256_arm(+) sha1_arm_ce sha1_arm ...
  CPU: 7 PID: 396 Comm: cryptomgr_test Not tainted 5.0.0-rc6+ #144
  Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
  PC is at sha256_block_data_order+0xaaa/0xb30 [sha256_arm]
  LR is at __this_module+0x17fd/0xffffe800 [sha256_arm]
  pc : [<bf820bca>]    lr : [<bf824ffd>]    psr: 800b0033
  sp : ebc8bbe8  ip : faaabe1c  fp : 2fdd3433
  r10: 4c5f1692  r9 : e43037df  r8 : b04b0a5a
  r7 : c369d722  r6 : 39c3693e  r5 : 7a013189  r4 : 1580d26b
  r3 : 8762a9b0  r2 : eea9c2cd  r1 : 3e9ab536  r0 : 1dea4ae7
  Flags: Nzcv  IRQs on  FIQs on  Mode SVC_32  ISA Thumb  Segment user
  Control: 70c5383d  Table: 6b8467c0  DAC: dbadc0de
  Process cryptomgr_test (pid: 396, stack limit = 0x69e1fe23)
  Stack: (0xebc8bbe8 to 0xebc8c000)
  ...
  unwind: Unknown symbol address bf820bca
  unwind: Index not found bf820bca
  Code: 441a ea80 40f9 440a (f85e) 3b04
  ---[ end trace e560cce92700ef8a ]---

Given that this affects older kernels as well, in case they are built
with a recent toolchain, apply a minimal backportable fix, which is
to emit another non-code label at the start of the routine, and
reference that instead. (This is similar to the current upstream state
of this file in OpenSSL)

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-02-22 12:40:56 +08:00
Linus Walleij
3dda927fdb Merge branch 'ib-qcom-ssbi' into devel 2019-02-21 12:58:31 +01:00
Grygorii Strashko
fcfa0e84ea ARM: dts: am335x: switch to use phy-gmii-sel
Switch to use phy-gmii-sel PHY instead of cpsw-phy-sel.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2019-02-20 08:14:04 -08:00
Grygorii Strashko
dab2da84d5 ARM: dts: am4372: switch to use phy-gmii-sel
Switch to use phy-gmii-sel PHY instead of cpsw-phy-sel.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2019-02-20 08:14:03 -08:00
Grygorii Strashko
837143940d ARM: dts: dm814x: switch to use phy-gmii-sel
Switch to use phy-gmii-sel PHY instead of cpsw-phy-sel.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2019-02-20 08:14:03 -08:00
Grygorii Strashko
e8acd8564b ARM: dts: dra7: switch to use phy-gmii-sel
Switch to use phy-gmii-sel PHY instead of cpsw-phy-sel.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2019-02-20 08:14:02 -08:00
Arnd Bergmann
dc3e1ac12b DaVinci SoC updates for v5.1 (part 3)
-------------------------------------
 This pull request gets rid of mach-davinci private interrupt controller
 implmentations (aintc and cp_initc) and moves them to drivers/irqchip.
 
 mach/irqs.h usage outside of mach-davinci has been rid of.
 
 The driver changes (input and irqchip) have been acked by respective
 maintainers.
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Merge tag 'davinci-for-v5.1/soc-part3' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into arm/late

DaVinci SoC updates for v5.1 (part 3)
-------------------------------------
This pull request gets rid of mach-davinci private interrupt controller
implmentations (aintc and cp_initc) and moves them to drivers/irqchip.

mach/irqs.h usage outside of mach-davinci has been rid of.

The driver changes (input and irqchip) have been acked by respective
maintainers.

* tag 'davinci-for-v5.1/soc-part3' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: (57 commits)
  ARM: davinci: remove intc related fields from davinci_soc_info
  irqchip: davinci-cp-intc: move the driver to drivers/irqchip
  ARM: davinci: cp-intc: remove redundant comments
  ARM: davinci: cp-intc: drop GPL license boilerplate
  ARM: davinci: cp-intc: use readl/writel_relaxed()
  ARM: davinci: cp-intc: unify error handling
  ARM: davinci: cp-intc: improve coding style
  ARM: davinci: cp-intc: request the memory region before remapping it
  ARM: davinci: cp-intc: use the new-style config structure
  ARM: davinci: cp-intc: convert all hex numbers to lowercase
  ARM: davinci: cp-intc: use a common prefix for all symbols
  ARM: davinci: cp-intc: add the new config structures for da8xx SoCs
  irqchip: davinci-cp-intc: add a new config structure
  ARM: davinci: cp-intc: add a wrapper around cp_intc_init()
  ARM: davinci: cp-intc: remove cp_intc.h
  irqchip: davinci-aintc: move the driver to drivers/irqchip
  ARM: davinci: aintc: remove unnecessary includes
  ARM: davinci: aintc: remove the timer-specific irq_set_handler()
  ARM: davinci: aintc: request memory region before remapping it
  ARM: davinci: aintc: unify error handling
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-20 16:18:50 +01:00
Arnd Bergmann
0d6367ca90 Samsung DTS ARM changes for v5.1, part 2
1. Enable ADC on Odroid HC1 board.
 2. Fix clkout register failure on Exynos3250.
 3. Allow using earlycon on Arndale board.
 4. Disable ARM PMU on Odroid XU3 Lite because it is locked by Trusted
    Firmware.
 5. Add support for secondary DAI to Odroid XU3 and XU4 boards.
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Merge tag 'samsung-dt-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/dt

Samsung DTS ARM changes for v5.1, part 2

1. Enable ADC on Odroid HC1 board.
2. Fix clkout register failure on Exynos3250.
3. Allow using earlycon on Arndale board.
4. Disable ARM PMU on Odroid XU3 Lite because it is locked by Trusted
   Firmware.
5. Add support for secondary DAI to Odroid XU3 and XU4 boards.

* tag 'samsung-dt-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: dts: exynos: Add support for secondary DAI to Odroid XU4
  ARM: dts: exynos: Add support for secondary DAI to Odroid XU3
  ARM: dts: exynos: Disable ARM PMU on Odroid XU3-lite
  ARM: dts: exynos: Add stdout path property to Arndale board
  ARM: dts: exynos: Add minimal clkout parameters to Exynos3250 PMU
  ARM: dts: exynos: Enable ADC on Odroid HC1

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-20 16:10:49 +01:00
Thierry Reding
94d9b9337d ARM: tegra: Restore DT ABI on Tegra124 Chromebooks
Commit 482997699ef0 ("ARM: tegra: Fix unit_address_vs_reg DTC warnings
for /memory") inadventently broke device tree ABI by adding a unit-
address to the "/memory" node because the device tree compiler flagged
the missing unit-address as a warning.

Tegra124 Chromebooks (a.k.a. Nyan) use a bootloader that relies on the
full name of the memory node in device tree being exactly "/memory". It
can be argued whether this was a good decision or not, and some other
bootloaders (such as U-Boot) do accept a unit-address in the name of the
node, but the device tree is an ABI and we can't break existing setups
just because the device tree compiler considers it bad practice to omit
the unit-address nowadays.

This partially reverts the offending commit and restores device tree ABI
compatibility.

Fixes: 482997699ef0 ("ARM: tegra: Fix unit_address_vs_reg DTC warnings for /memory")
Reported-by: Tristan Bastian <tristan-c.bastian@gmx.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tested-by: Tristan Bastian <tristan-c.bastian@gmx.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-20 16:08:49 +01:00
Christoph Hellwig
82c5de0ab8 dma-mapping: remove the DMA_MEMORY_EXCLUSIVE flag
All users of dma_declare_coherent want their allocations to be
exclusive, so default to exclusive allocations.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-20 07:27:00 -07:00
Christoph Hellwig
ff4c25f26a dma-mapping: improve selection of dma_declare_coherent availability
This API is primarily used through DT entries, but two architectures
and two drivers call it directly.  So instead of selecting the config
symbol for random architectures pull it in implicitly for the actual
users.  Also rename the Kconfig option to describe the feature better.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-20 07:26:35 -07:00
David S. Miller
375ca548f7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two easily resolvable overlapping change conflicts, one in
TCP and one in the eBPF verifier.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-20 00:34:07 -08:00
Gregory CLEMENT
6a3b25173c arch: arm: dts: kirkwood-rd88f6281: Remove disabled marvell,dsa reference
marvell,dsa properties has been removed from kirkwood-rd88f6281.dtsi
while cleanuping the dsa binding, but the dsa reference in
kirkwood-rd88f6281-z0.dts has been missed causing the following errors:

arch/arm/boot/dts/kirkwood-rd88f6281-z0.dts:21.4-16: Warning (reg_format): /dsa/switch@0:reg: property has invalid length (8 bytes) (#address-cells == 2, #size-cells == 1)
arch/arm/boot/dts/kirkwood-rd88f6281-z0.dts:23.5-15: Warning (reg_format): /dsa/switch@0/port@4:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1)
arch/arm/boot/dts/kirkwood-rd88f6281-z0.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
arch/arm/boot/dts/kirkwood-rd88f6281-z0.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
arch/arm/boot/dts/kirkwood-rd88f6281-z0.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
arch/arm/boot/dts/kirkwood-rd88f6281-z0.dts:20.12-26.5: Warning (avoid_default_addr_size): /dsa/switch@0: Relying on default #address-cells value
arch/arm/boot/dts/kirkwood-rd88f6281-z0.dts:20.12-26.5: Warning (avoid_default_addr_size): /dsa/switch@0: Relying on default #size-cells value
arch/arm/boot/dts/kirkwood-rd88f6281-z0.dts:22.11-25.6: Warning (avoid_default_addr_size): /dsa/switch@0/port@4: Relying on default #address-cells value
arch/arm/boot/dts/kirkwood-rd88f6281-z0.dts:22.11-25.6: Warning (avoid_default_addr_size): /dsa/switch@0/port@4: Relying on default #size-cells value

So remove the dsa reference too in order to fix this issue.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2019-02-20 09:21:27 +01:00
Masahiro Yamada
05277f368c KVM: arm/arm64: Prefix header search paths with $(srctree)/
Currently, the Kbuild core manipulates header search paths in a crazy
way [1].

To fix this mess, I want all Makefiles to add explicit $(srctree)/ to
the search paths in the srctree. Some Makefiles are already written in
that way, but not all. The goal of this work is to make the notation
consistent, and finally get rid of the gross hacks.

Having whitespaces after -I does not matter since commit 48f6e3cf5bc6
("kbuild: do not drop -I without parameter").

[1]: https://patchwork.kernel.org/patch/9632347/

Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2019-02-19 21:05:53 +00:00