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Support proper system power-off, which disables main regulator. This
results in much lower power consumption and support of power-on issued
by button press.
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The CX9020 differs from i.MX53 Quick Start Board by:
- use uart2 instead of uart1
- DVI-D connector instead of VGA
- no audio
- no SATA connector
- CCAT FPGA connected to emi
- enable rtc
Signed-off-by: Patrick Bruenn <p.bruenn@beckhoff.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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UART2 on EIM_D26 - EIM_D29 pins supports interchanging RXD/TXD pins
and RTS/CTS pins.
One board using these alternate settings is Beckhoff CX9020. Add the
alternative configuration here, to make it available to others, too.
Signed-off-by: Patrick Bruenn <p.bruenn@beckhoff.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The i.MX53 has an integrated secure real time clock. Add it to the dtsi.
Signed-off-by: Patrick Bruenn <p.bruenn@beckhoff.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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- add vendor prefix bhf for Beckhoff
- add new board binding bhf,cx9020
Signed-off-by: Patrick Bruenn <p.bruenn@beckhoff.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add a devicetree entry for the Random Number Generator Version B (RNGB).
The driver for RNGC supports version B as well.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of critical fixes for changes introduce this merge window.
- The TI sci_clk_get() API was pretty broken and nobody noticed.
- There were some CPUfreq crashes on C.H.I.P devices because we
failed to propagate rates up the clk tree.
- Also, the Intel Atom PMC clk driver needs to mark a clk critical if
the firmware has it enabled already so that audio doesn't get
killed on Baytrail.
- Gemini devices have a dead serial console because the reset control
usage in the serial driver assume one method of reset that gemini
doesn't support (this will be fixed in the next version in the
reset framework so this is the small fix for -rc series).
- Finally we have two rate calculation fixes, one for Exynos and one
for Meson SoCs, that fix rate inconsistencies"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: keystone: sci-clk: Fix sci_clk_get
clk: meson: mpll: fix mpll0 fractional part ignored
clk: samsung: exynos5420: The EPLL rate table corrections
clk: sunxi-ng: sun5i: Add clk_set_rate_parent to the CPU clock
clk: x86: Do not gate clocks enabled by the firmware
clk: gemini: Fix reset regression
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Pull KVM fixes from Radim Krčmář:
"ARM:
- Yet another race with VM destruction plugged
- A set of small vgic fixes
x86:
- Preserve pending INIT
- RCU fixes in paravirtual async pf, VM teardown, and VMXOFF
emulation
- nVMX interrupt injection and dirty tracking fixes
- initialize to make UBSAN happy"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: arm/arm64: vgic: Use READ_ONCE fo cmpxchg
KVM: nVMX: Fix interrupt window request with "Acknowledge interrupt on exit"
KVM: nVMX: mark vmcs12 pages dirty on L2 exit
kvm: nVMX: don't flush VMCS12 during VMXOFF or VCPU teardown
KVM: nVMX: do not pin the VMCS12
KVM: avoid using rcu_dereference_protected
KVM: X86: init irq->level in kvm_pv_kick_cpu_op
KVM: X86: Fix loss of pending INIT due to race
KVM: async_pf: make rcu irq exit if not triggered from idle task
KVM: nVMX: fixes to nested virt interrupt injection
KVM: nVMX: do not fill vm_exit_intr_error_code in prepare_vmcs12
KVM: arm/arm64: Handle hva aging while destroying the vm
KVM: arm/arm64: PMU: Fix overflow interrupt injection
KVM: arm/arm64: Fix bug in advertising KVM_CAP_MSI_DEVID capability
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"The recent irq core changes unearthed API abuse in the HPET code,
which manifested itself in a suspend/resume regression.
The fix replaces the cruft with the proper function calls and cures
the regression"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/hpet: Cure interface abuse in the resume path
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A single fix for a multiplication overflow in the timer code on 32bit
systems"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers: Fix overflow in get_next_timer_interrupt
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"This comes a bit later than I planned, and as a consequence is a
larger than it should be.
Most of the changes are devicetree fixes, across lots of platforms:
Renesas, Samsung Exynos, Marvell EBU, TI OMAP, Rockchips, Amlogic
Meson, Sigma Desings Tango, Allwinner SUNxi and TI Davinci.
Also across many platforms, I applied an older series of simple
randconfig build fixes. This includes making the CONFIG_MTD_XIP option
compile again, which had been broken for many years and probably has
not been missed, but it felt wrong to just remove it completely.
The only other changes are:
- We enable HWSPINLOCK in defconfig to get some Qualcomm boards to
work out of the box.
- A few regression fixes for Texas Instruments OMAP2+.
- A boot regression fix for the Renesas regulator quirk.
- A suspend/resume fix for Uniphier SoCs, fixing the resume of the
system bus"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
ARM: dts: tango4: Request RGMII RX and TX clock delays
bus: uniphier-system-bus: set up registers when resuming
ARM64: dts: marvell: armada-37xx: Fix the number of GPIO on south bridge
ARM: shmobile: rcar-gen2: Fix deadlock in regulator quirk
arm64: defconfig: enable missing HWSPINLOCK
ARM: pxa: select both FB and FB_W100 for eseries
ARM: ixp4xx: fix ioport_unmap definition
ARM: ep93xx: use ARM_PATCH_PHYS_VIRT correctly
ARM: mmp: mark usb_dma_mask as __maybe_unused
ARM: omap2: mark unused functions as __maybe_unused
ARM: omap1: avoid unused variable warning
ARM: sirf: mark sirfsoc_init_late as __maybe_unused
ARM: ixp4xx: use normal prototype for {read,write}s{b,w,l}
ARM: omap1/ams-delta: warn about failed regulator enable
ARM: rpc: rename RAM_SIZE macro
ARM: w90x900: normalize clk API
ARM: ep93xx: normalize clk API
ARM: dts: sun8i: a83t: Switch to CCU device tree binding macros
arm64: allwinner: sun50i-a64: Correct emac register size
ARM: dts: sunxi: h3/h5: Correct emac register size
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Here are some more arm64 fixes for 4.13. The main one is the PTE race
with the hardware walker, but there are a couple of other things too.
- Report correct timer frequency to userspace when trapping
CNTFRQ_EL0
- Fix race with hardware page table updates when updating access
flags
- Silence clang overflow warning in VA_START and PAGE_OFFSET
calculations"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: avoid overflow in VA_START and PAGE_OFFSET
arm64: Fix potential race with hardware DBM in ptep_set_access_flags()
arm64: Use arch_timer_get_rate when trapping CNTFRQ_EL0
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Pull sparc fixes from David Miller:
- block interrupts properly across the entire MMU context change (both
the hw MMU context change and the TSB table change) so that we don't
get a perf event interrupt in the middle. From Rob Gardner.
- be sure to register hugepages early enough, from Nitin Gupta.
- UltraSPARC-III user copy exception handling would return garbage for
the copied length in some circumstances.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix exception handling in UltraSPARC-III memcpy.
sbus: Convert to using %pOF instead of full_name
sparc: defconfig: Cleanup from old Kconfig options
sparc64: Register hugepages during arch init
sparc64: Prevent perf from running during super critical sections
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Pull ceph fixes from Ilya Dryomov:
"A bunch of fixes and follow-ups for -rc1 Luminous patches: issues with
->reencode_message() and last minute RADOS semantic changes in
v12.1.2"
* tag 'ceph-for-4.13-rc4' of git://github.com/ceph/ceph-client:
libceph: make RECOVERY_DELETES feature create a new interval
libceph: upmap semantic changes
crush: assume weight_set != null imples weight_set_size > 0
libceph: fallback for when there isn't a pool-specific choose_arg
libceph: don't call ->reencode_message() more than once per message
libceph: make encode_request_*() work with r_mempool requests
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Now we hit the usual ASoC-fix-flood in the middle of release.
Most of the changes are trivial and device-specific, while one
significant change is the fix for unbalanced of_graph_*() refcounts.
This involved a change in the graph API itself that had been a bit
messy"
* tag 'sound-4.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix speaker output from VAIO VPCL14M1R
device property: Fix usecount for of_graph_get_port_parent()
ASoC: rt5665: fix wrong register for bclk ratio control
ASoC: Intel: Use MCLK instead of BLCK as the sysclock for RT5514 codec on kabylake platform
ASoC: Intel: Enabling ASRC for RT5663 codec on kabylake platform
ASoC: codecs: msm8916-analog: fix DIG_CLK_CTL_RXD3_CLK_EN define
ASoC: Intel: Skylake: Fix missing sentinels in sst_acpi_mach
ASoC: sh: hac: add missing "int ret"
ASoC: samsung: odroid: Fix EPLL frequency values
ASoC: sgtl5000: Use snd_soc_kcontrol_codec()
ASoC: rt5665: fix GPIO6 pin function define
ASoC: ux500: Restore platform DAI assignments
ASoC: fix pcm-creation regression
ASoC: do not close shared backend dailink
ASoC: pxa: SND_PXA2XX_SOC should depend on HAS_DMA
ASoC: Intel: Skylake: Fix default dma_buffer_size
ASoC: rt5663: Update the HW default values based on the shipping version
ASoC: imx-ssi: add check on platform_get_irq return value
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- fix a scheduling-while-atomic bug in the AMD IOMMU driver. It was
found after the checker was enabled earlier.
- a fix for the virtual APIC code in the AMD IOMMU driver which
delivers device interrupts directly into KVM guests for assigned
devices.
- fixes for the recently merged lock-less page-table code for ARM. The
redundant TLB syncs got reverted and locks added again around the TLB
sync code.
- fix for error handling in arm_smmu_add_device()
- address sanitization fix for arm io-pgtable code
* tag 'iommu-fixes-v4.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix schedule-while-atomic BUG in initialization code
iommu/amd: Enable ga_log_intr when enabling guest_mode
iommu/io-pgtable: Sanitise map/unmap addresses
iommu/arm-smmu: Fix the error path in arm_smmu_add_device
Revert "iommu/io-pgtable: Avoid redundant TLB syncs"
iommu/mtk: Avoid redundant TLB syncs locally
iommu/arm-smmu: Reintroduce locking around TLB sync operations
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"A couple of mmc fixes intended for v4.13-rc4.
MMC core:
- Fix NULL pointer dereference for block I/O during hotplug
MMC host:
- sdhci-of-at91: Fix card detect for non-removable cards"
* tag 'mmc-v4.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: block: bypass the queue even if usage is present for hotplug
mmc: sdhci-of-at91: force card detect value for non removable devices
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Either my email ate everything or everyone is on holidays, either way
all I can find is some lonely AMD fixes"
[ Europe might be on vacation, and the Pacific NW is too hot for work. ]
* tag 'drm-fixes-for-v4.13-rc4' of git://people.freedesktop.org/~airlied/linux:
drm/amdgpu: Use list_del_init in amdgpu_mn_unregister
drm/amdgpu: Fix undue fallthroughs in golden registers initialization
drm/amdgpu: fix header on gfx9 clear state
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Fixes for recently merged code:
- a fix for the _PAGE_DEVMAP support, which was breaking KVM on
Power9 radix
- avoid a (harmless) lockdep warning in the early SMP code
- return failure for some uses of dma_set_mask() rather than falling
back to 32-bits
- fix stack setup in watchdog soft_nmi_common() to use emergency
stack
- fix of_irq_to_resource() error check in of_fsl_spi_probe()
Two fixes going to stable:
- fix saving of Transactional Memory SPRs in core dump
- fix __check_irq_replay missing decrementer interrupt
And two misc:
- fix 64-bit boot wrapper build with non-biarch compiler
- work around a POWER9 PMU hang after state-loss idle
Thanks to: Alistair Popple, Aneesh Kumar K.V, Cyril Bur, Gustavo
Romero, Jose Ricardo Ziviani, Laurent Vivier, Nicholas Piggin, Oliver
O'Halloran, Sergei Shtylyov, Suraj Jitindar Singh, Thomas Gleixner"
* tag 'powerpc-4.13-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64: Fix __check_irq_replay missing decrementer interrupt
powerpc/perf: POWER9 PMU stops after idle workaround
powerpc/83xx/mpc832x_rdb: fix of_irq_to_resource() error check
powerpc/64s: Fix stack setup in watchdog soft_nmi_common()
powerpc/powernv/pci: Return failure for some uses of dma_set_mask()
powerpc/boot: Fix 64-bit boot wrapper build with non-biarch compiler
powerpc/smp: Call smp_ops->setup_cpu() directly on the boot CPU
powerpc/tm: Fix saving of TM SPRs in core dump
powerpc/mm: Fix pmd/pte_devmap() on non-leaf entries
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Mikael Pettersson reported that some test programs in the strace-4.18
testsuite cause an OOPS.
After some debugging it turns out that garbage values are returned
when an exception occurs, causing the fixup memset() to be run with
bogus arguments.
The problem is that two of the exception handler stubs write the
successfully copied length into the wrong register.
Fixes: ee841d0aff64 ("sparc64: Convert U3copy_{from,to}_user to accurate exception reporting.")
Reported-by: Mikael Pettersson <mikpelinux@gmail.com>
Tested-by: Mikael Pettersson <mikpelinux@gmail.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bitmask used to define these values produces overflow, as seen by
this compiler warning:
arch/arm64/kernel/head.S:47:8: warning:
integer overflow in preprocessor expression
#elif (PAGE_OFFSET & 0x1fffff) != 0
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:52:46: note:
expanded from macro 'PAGE_OFFSET'
#define PAGE_OFFSET (UL(0xffffffffffffffff) << (VA_BITS -
1))
~~~~~~~~~~~~~~~~~~ ^
It would be preferrable to use GENMASK_ULL() instead, but it's not set
up to be used from assembly (the UL() macro token pastes UL suffixes
when not included in assembly sources).
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Suggested-by: Yury Norov <ynorov@caviumnetworks.com>
Suggested-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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In a system with DBM (dirty bit management) capable agents there is a
possible race between a CPU executing ptep_set_access_flags() (maybe
non-DBM capable) and a hardware update of the dirty state (clearing of
PTE_RDONLY). The scenario:
a) the pte is writable (PTE_WRITE set), clean (PTE_RDONLY set) and old
(PTE_AF clear)
b) ptep_set_access_flags() is called as a result of a read access and it
needs to set the pte to writable, clean and young (PTE_AF set)
c) a DBM-capable agent, as a result of a different write access, is
marking the entry as young (setting PTE_AF) and dirty (clearing
PTE_RDONLY)
The current ptep_set_access_flags() implementation would set the
PTE_RDONLY bit in the resulting value overriding the DBM update and
losing the dirty state.
This patch fixes such race by setting PTE_RDONLY to the most permissive
(lowest value) of the current entry and the new one.
Fixes: 66dbd6e61a52 ("arm64: Implement ptep_set_access_flags() for hardware AF/DBM")
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Steve Capper <steve.capper@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
Pull "DaVinci fixes for v4.13" from Sekhar Nori:
Drop unused VPIF endpoints from device-tree.
They should be used only when an actual
remote-endpoint is connected.
* tag 'davinci-fixes-for-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: dts: da850-lcdk: drop unused VPIF endpoints
ARM: dts: da850-evm: drop unused VPIF endpoints
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into fixes
Pull "Allwinner fixes for 4.13" from Chen-Yu Tsai:
Two fixes to correct the EMAC blocks memory region size to match the
datasheet. One that converts raw A83T clock indices to macros from the
clk dt-binding header, completing the A83T sunxi-ng clk driver.
* tag 'sunxi-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun8i: a83t: Switch to CCU device tree binding macros
arm64: allwinner: sun50i-a64: Correct emac register size
ARM: dts: sunxi: h3/h5: Correct emac register size
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into fixes
Pull "Qualcomm ARM64 based defconfig Fixes for v4.13-rc2" from Andy Gross:
* Enable missing HWSPINLOCK
* tag 'qcom-arm64-defconfig-fixes-for-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
arm64: defconfig: enable missing HWSPINLOCK
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RX and TX clock delays are required. Request them explicitly.
Fixes: cad008b8a77e6 ("ARM: dts: tango4: Initial device trees")
Cc: stable@vger.kernel.org
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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When resuming, set up registers that have been lost in the sleep state.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Pull "Third Round of Renesas ARM Based SoC Fixes for v4.13" from Simon Horman:
Fix deadlock in regulator quirk for R-Car Gen 2 SoCs
The da9063/da9210 regulator quirk for R-Car Gen2 boards uses a bus
notifier, and unregisters the notifier when it is no longer needed.
However, a notifier must not be unregistered from within the call chain.
This bug went unnoticed, as blocking_notifier_chain_unregister() didn't
take the semaphore during early boot. This is no longer the case as of
upstream commit 1c3c5eab171590f8 ("sched/core: Enable might_sleep() and
smp_processor_id() checks early") and a deadlock occurs.
* tag 'renesas-fixes3-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: rcar-gen2: Fix deadlock in regulator quirk
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Pull "mvebu fixes for 4.13 (part 2)" from Gregory CLEMENT:
All the fixes are for ARM64 mvebu:
- Fix the RTC interrupt on A7K/A8K which was missed when switching
from GIC to ICU
- Mark the A7K/A8K crypto engine as dma coherent
- Fix the number of GPIO on south bridge on Armada 3700
* tag 'mvebu-fixes-4.13-2' of git://git.infradead.org/linux-mvebu:
ARM64: dts: marvell: armada-37xx: Fix the number of GPIO on south bridge
arm64: dts: marvell: mark the cp110 crypto engine as dma coherent
arm64: dts: marvell: use ICU for the CP110 slave RTC
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into fixes
Pull "Amlogic fixes for v4.13-rc" from Kevin Hilman:
- 2 minor DT fixes
* tag 'amlogic-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
ARM64: dts: meson-gxl-s905x-libretech-cc: fixup board definition
ARM64: dts: meson-gx: use specific compatible for the AO pwms
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes
Pull "Rockchip dts32 fixes for 4.13" from Heiko Stübner:
Fix for the recently added mali dt support. The example
showed a wrong value, so fix it before it gets copy-pasted
to much.
* tag 'v4.13-rockchip-dts32fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: fix mali gpu node on rk3288
dt-bindings: gpu: drop wrong compatible from midgard binding example
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If the decrementer wraps again and de-asserts the decrementer
exception while hard-disabled, __check_irq_replay() has a test to
notice the wrap when interrupts are re-enabled.
The decrementer check must be done when clearing the PACA_IRQ_HARD_DIS
flag, not when the PACA_IRQ_DEC flag is tested. Previously this worked
because the decrementer interrupt was always the first one checked
after clearing the hard disable flag, but HMI check was moved ahead of
that, which introduced this bug.
This can cause a missed decrementer interrupt if we soft-disable
interrupts then take an HMI which is recorded in irq_happened, then
hard-disable interrupts for > 4s to wrap the decrementer.
Fixes: e0e0d6b7390b ("powerpc/64: Replay hypervisor maintenance interrupt first")
Cc: stable@vger.kernel.org # v4.9+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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POWER9 DD2 PMU can stop after a state-loss idle in some conditions.
A solution is to set then clear MMCRA[60] after wake from state-loss
idle. MMCRA[60] is a non-architected bit, see the user manual for
details.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Reviewed-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Acked-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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into drm-fixes
Just a few small fixes for 4.13.
* 'drm-fixes-4.13' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu: Use list_del_init in amdgpu_mn_unregister
drm/amdgpu: Fix undue fallthroughs in golden registers initialization
drm/amdgpu: fix header on gfx9 clear state
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Pull VFIO fixes from Alex Williamson:
- SPAPR/EEH config build fix (Murilo Opsfelder Araujo)
- Fix possible device lock deadlock (Alex Williamson)
- Correctly size integrated endpoint PCIe capabilities (Alex
Williamson)
* tag 'vfio-v4.13-rc4' of git://github.com/awilliam/linux-vfio:
vfio/pci: Fix handling of RC integrated endpoint PCIe capability size
vfio/pci: Use pci_try_reset_function() on initial open
include/linux/vfio.h: Guard powerpc-specific functions with CONFIG_VFIO_SPAPR_EEH
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Merge misc fixes from Andrew Morton:
"15 fixes"
[ This does not merge the "fortify: use WARN instead of BUG for now"
patch, which needs a bit of extra work to build cleanly with all
configurations. Arnd is on it. - Linus ]
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
ocfs2: don't clear SGID when inheriting ACLs
mm: allow page_cache_get_speculative in interrupt context
userfaultfd: non-cooperative: flush event_wqh at release time
ipc: add missing container_of()s for randstruct
cpuset: fix a deadlock due to incomplete patching of cpusets_enabled()
userfaultfd_zeropage: return -ENOSPC in case mm has gone
mm: take memory hotplug lock within numa_zonelist_order_handler()
mm/page_io.c: fix oops during block io poll in swapin path
zram: do not free pool->size_class
kthread: fix documentation build warning
kasan: avoid -Wmaybe-uninitialized warning
userfaultfd: non-cooperative: notify about unmap of destination during mremap
mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries
pid: kill pidhash_size in pidhash_init()
mm/hugetlb.c: __get_user_pages ignores certain follow_hugetlb_page errors
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix two issues in the ACPI SoC drivers (Intel LPSS and AMD APD),
a crash in the PCC mailbox initialization code and a WDAT watchdog
initialization failure.
Specifics:
- Fix a device ID of Hisilicon Hip07/08 in the ACPI APD (AMD SoC)
driver (Hanjun Guo).
- Fix list corruption (introduced during the 4.11 cycle) in the ACPI
LPSS (Intel SoC) driver (Hans de Goede).
- Fix PCC mailbox handling code crash during initialization when PCCT
is not present and PCC channel 0 is requested (Hoan Tran).
- Fix a WDAT watchdog initialization issue causing platform device
creation to fail due to partially overlapping address ranges in
resources (Ryan Kennedy)"
* tag 'acpi-4.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: APD: Fix HID for Hisilicon Hip07/08
mailbox: pcc: Fix crash when request PCC channel 0
ACPI / watchdog: Fix init failure with overlapping register regions
ACPI / LPSS: Only call pwm_add_table() for the first PWM controller
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two cpufreq issues, one introduced recently and one related
to recent changes, fix cpufreq documentation, fix up recently added
code in the Thunderbolt driver and update runtime PM framework
documentation.
Specifics:
- Fix the handling of the scaling_cur_freq cpufreq policy attribute
on x86 systems with the MPERF/APERF registers present to make it
behave more as expected after recent changes (Rafael Wysocki).
- Drop a leftover callback from the intel_pstate driver which also
prevents the cpuinfo_cur_freq cpufreq policy attribute from being
incorrectly exposed when intel_pstate works in the active mode
(Rafael Wysocki).
- Add a missing piece describing the cpuinfo_cur_freq policy
attribute to cpufreq documentation (Rafael Wysocki).
- Fix up a recently added part of the Thunderbolt driver to avoid
aborting system suspends if its mailbox commands time out (Rafael
Wysocki).
- Update device runtime PM framework documentation to reflect the
current behavior of the code (Johan Hovold)"
* tag 'pm-4.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thunderbolt: icm: Ignore mailbox errors in icm_suspend()
cpufreq: x86: Make scaling_cur_freq behave more as expected
PM / runtime: Document new pm_runtime_set_suspended() constraint
cpufreq: docs: Add missing cpuinfo_cur_freq description
cpufreq: intel_pstate: Drop ->get from intel_pstate structure
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* acpi-soc:
ACPI: APD: Fix HID for Hisilicon Hip07/08
ACPI / LPSS: Only call pwm_add_table() for the first PWM controller
* acpi-wdat:
ACPI / watchdog: Fix init failure with overlapping register regions
* acpi-cppc:
mailbox: pcc: Fix crash when request PCC channel 0
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* pm-core:
PM / runtime: Document new pm_runtime_set_suspended() constraint
* pm-misc:
thunderbolt: icm: Ignore mailbox errors in icm_suspend()
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* pm-cpufreq-x86:
cpufreq: x86: Make scaling_cur_freq behave more as expected
* pm-cpufreq-docs:
cpufreq: docs: Add missing cpuinfo_cur_freq description
* intel_pstate:
cpufreq: intel_pstate: Drop ->get from intel_pstate structure
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm
KVM/ARM Fixes for v4.13-rc4
- Yet another race with VM destruction plugged
- A set of small vgic fixes
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There is a small chance that the compiler could generate separate loads
for the dist->propbaser which could be modified from another CPU. As we
want to make sure we atomically update the entire value, and don't race
with other updates, guarantee that the cmpxchg operation compares
against the original value.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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------------[ cut here ]------------
WARNING: CPU: 5 PID: 2288 at arch/x86/kvm/vmx.c:11124 nested_vmx_vmexit+0xd64/0xd70 [kvm_intel]
CPU: 5 PID: 2288 Comm: qemu-system-x86 Not tainted 4.13.0-rc2+ #7
RIP: 0010:nested_vmx_vmexit+0xd64/0xd70 [kvm_intel]
Call Trace:
vmx_check_nested_events+0x131/0x1f0 [kvm_intel]
? vmx_check_nested_events+0x131/0x1f0 [kvm_intel]
kvm_arch_vcpu_ioctl_run+0x5dd/0x1be0 [kvm]
? vmx_vcpu_load+0x1be/0x220 [kvm_intel]
? kvm_arch_vcpu_load+0x62/0x230 [kvm]
kvm_vcpu_ioctl+0x340/0x700 [kvm]
? kvm_vcpu_ioctl+0x340/0x700 [kvm]
? __fget+0xfc/0x210
do_vfs_ioctl+0xa4/0x6a0
? __fget+0x11d/0x210
SyS_ioctl+0x79/0x90
do_syscall_64+0x8f/0x750
? trace_hardirqs_on_thunk+0x1a/0x1c
entry_SYSCALL64_slow_path+0x25/0x25
This can be reproduced by booting L1 guest w/ 'noapic' grub parameter, which
means that tells the kernel to not make use of any IOAPICs that may be present
in the system.
Actually external_intr variable in nested_vmx_vmexit() is the req_int_win
variable passed from vcpu_enter_guest() which means that the L0's userspace
requests an irq window. I observed the scenario (!kvm_cpu_has_interrupt(vcpu) &&
L0's userspace reqeusts an irq window) is true, so there is no interrupt which
L1 requires to inject to L2, we should not attempt to emualte "Acknowledge
interrupt on exit" for the irq window requirement in this scenario.
This patch fixes it by not attempt to emulate "Acknowledge interrupt on exit"
if there is no L1 requirement to inject an interrupt to L2.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
[Added code comment to make it obvious that the behavior is not correct.
We should do a userspace exit with open interrupt window instead of the
nested VM exit. This patch still improves the behavior, so it was
accepted as a (temporary) workaround.]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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Since generic Cortex-A9 global timer is available after adding
it to compilation, enable its node in armada-38x.dtsi.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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dtc recently added PCI bus checks. Fix these warnings.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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The commit 304419d8a7e9 ("mmc: core: Allocate per-request data using the
block layer core") refactored mechanism of queue handling caused
mmc_init_request() can be called just after mmc_cleanup_queue() caused null
pointer dereference.
Another commit bbdc74dc19e0 ("mmc: block: Prevent new req entering queue
after its cleanup") tried to fix the problem. However it actually miss one
corner case.
We could still reproduce the issue mentioned with these steps:
(1) insert a SD card and mount it
(2) hotplug it, so it will leave md->usage still be counted
(3) reboot the system which will sync data and umount the card
[Unable to handle kernel NULL pointer dereference at virtual address
00000000
[user pgtable: 4k pages, 48-bit VAs, pgd = ffff80007bab3000
[[0000000000000000] *pgd=000000007a828003, *pud=0000000078dce003,
*pmd=000000007aab6003, *pte=0000000000000000
[Internal error: Oops: 96000007 [#1] PREEMPT SMP
[Modules linked in:
[CPU: 3 PID: 3507 Comm: umount Tainted: G W
4.13.0-rc1-next-20170720-00012-g9d9bf45 #33
[Hardware name: Firefly-RK3399 Board (DT)
[task: ffff80007a1de200 task.stack: ffff80007a01c000
[PC is at mmc_init_request+0x14/0xc4
[LR is at alloc_request_size+0x4c/0x74
[pc : [<ffff0000087d7150>] lr : [<ffff000008378fe0>] pstate: 600001c5
[sp : ffff80007a01f8f0
....
[[<ffff0000087d7150>] mmc_init_request+0x14/0xc4
[[<ffff000008378fe0>] alloc_request_size+0x4c/0x74
[[<ffff00000817ac28>] mempool_create_node+0xb8/0x17c
[[<ffff00000837aadc>] blk_init_rl+0x9c/0x120
[[<ffff000008396580>] blkg_alloc+0x110/0x234
[[<ffff000008396ac8>] blkg_create+0x424/0x468
[[<ffff00000839877c>] blkg_lookup_create+0xd8/0x14c
[[<ffff0000083796bc>] generic_make_request_checks+0x368/0x3b0
[[<ffff00000837b050>] generic_make_request+0x1c/0x240
So mmc_blk_put wouldn't calling blk_cleanup_queue which actually the
QUEUE_FLAG_DYING and QUEUE_FLAG_BYPASS should stay. Block core expect
blk_queue_bypass_{start, end} internally to bypass/drain the queue before
actually dying the queue, so it didn't expose API to set the queue bypass.
I think we should set QUEUE_FLAG_BYPASS whenever queue is removed, although
the md->usage is still counted, as no dispatch queue could be found then.
Fixes: 304419d8a7e9 ("mmc: core: Allocate per-request data using the block layer core")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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When the device is non removable, the card detect signal is often used
for another purpose i.e. muxed to another SoC peripheral or used as a
GPIO. It could lead to wrong behaviors depending the default value of
this signal if not muxed to the SDHCI controller.
Fixes: bb5f8ea4d514 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Pull NFS client fixes from Anna Schumaker:
"Two fixes from Trond this time, now that he's back from his vacation.
The first is a stable fix for the EXCHANGE_ID issue on the mailing
list, and the other fixes a double-free situation that he found at the
same time.
Stable fix:
- Fix EXCHANGE_ID corrupt verifier issue
Other fix:
- Fix double frees in nfs4_test_session_trunk()"
* tag 'nfs-for-4.13-4' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFSv4: Fix double frees in nfs4_test_session_trunk()
NFSv4: Fix EXCHANGE_ID corrupt verifier issue
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This fixes a potential buffer overflow in isdn_net.c caused by an
unbounded strcpy.
[ ISDN seems to be effectively unmaintained, and the I4L driver in
particular is long deprecated, but in case somebody uses this..
- Linus ]
Signed-off-by: Jiten Thakkar <jitenmt@gmail.com>
Signed-off-by: Annie Cherkaev <annie.cherk@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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