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git://git.omapzoom.org/kernel/omap into 6AM.1.3-rvc-video
* 'p-ti-lsk-android-linux-4.4.y' of git://git.omapzoom.org/kernel/omap: (2048 commits)
ARM: dts: dra7: Remove deprecated PCI compatible string
ARM: dts: dra76-evm: Enable x2 PCIe lanes
ARM: dts: DRA72x: Use PCIe compatible specific to dra72
ARM: dts: DRA74x: Use PCIe compatible specific to dra74
ARM: dts: dra7: Add properties to enable PCIe x2 lane mode
PCI: dwc: pci-dra7xx: Enable x2 mode support
PCI: dwc: dra7xx: Add support for SoC specific compatible strings
dt-bindings: PCI: dra7xx: Add properties to enable x2 lane in dra7
dt-bindings: PCI: dra7xx: Add SoC specific compatible strings
ARM: dts: dra7-evm: Move pcie RC node to common file
ARM: dts: dra76-evm: add higher speed MMC/SD modes
Linux 4.4.84
usb: qmi_wwan: add D-Link DWM-222 device ID
usb: optimize acpi companion search for usb port devices
perf/x86: Fix LBR related crashes on Intel Atom
pids: make task_tgid_nr_ns() safe
Sanitize 'move_pages()' permission checks
irqchip/atmel-aic: Fix unbalanced refcount in aic_common_rtc_irq_fixup()
irqchip/atmel-aic: Fix unbalanced of_node_put() in aic_common_irq_fixup()
x86/asm/64: Clear AC on NMI entries
...
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
Conflicts:
arch/arm/boot/dts/Makefile
drivers/gpu/drm/omapdrm/dss/dispc.c
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git://git.ti.com/ti-linux-kernel/ti-linux-kernel into p-ti-lsk-android-linux-4.4.y
Auto Merge of:
TI-Feature: lcpd-android-4.4.y_android-4.4.y
TI-Tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
TI-Branch: ti-lsk-android-linux-4.4.y
* 'ti-lsk-android-linux-4.4.y' of git://git.ti.com/ti-linux-kernel/ti-linux-kernel:
Signed-off-by: David Huang <d-huang@ti.com>
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into ti-lsk-android-linux-4.4.y
TI-Feature: ti_linux_base_android
TI-Tree: git@git.ti.com:ti-linux-kernel/ti-linux-kernel.git
TI-Branch: ti-linux-4.4.y
* 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: (35 commits)
ARM: dts: dra7: Remove deprecated PCI compatible string
ARM: dts: dra76-evm: Enable x2 PCIe lanes
ARM: dts: DRA72x: Use PCIe compatible specific to dra72
ARM: dts: DRA74x: Use PCIe compatible specific to dra74
ARM: dts: dra7: Add properties to enable PCIe x2 lane mode
PCI: dwc: pci-dra7xx: Enable x2 mode support
PCI: dwc: dra7xx: Add support for SoC specific compatible strings
dt-bindings: PCI: dra7xx: Add properties to enable x2 lane in dra7
dt-bindings: PCI: dra7xx: Add SoC specific compatible strings
ARM: dts: dra7-evm: Move pcie RC node to common file
ARM: dts: dra76-evm: add higher speed MMC/SD modes
Linux 4.4.84
usb: qmi_wwan: add D-Link DWM-222 device ID
usb: optimize acpi companion search for usb port devices
perf/x86: Fix LBR related crashes on Intel Atom
pids: make task_tgid_nr_ns() safe
Sanitize 'move_pages()' permission checks
irqchip/atmel-aic: Fix unbalanced refcount in aic_common_rtc_irq_fixup()
irqchip/atmel-aic: Fix unbalanced of_node_put() in aic_common_irq_fixup()
x86/asm/64: Clear AC on NMI entries
...
Signed-off-by: Dan Murphy <dmurphy@ti.com>
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* p-ti-lsk-linux-4.4.y-next: (35 commits)
ARM: dts: dra7: Remove deprecated PCI compatible string
ARM: dts: dra76-evm: Enable x2 PCIe lanes
ARM: dts: DRA72x: Use PCIe compatible specific to dra72
ARM: dts: DRA74x: Use PCIe compatible specific to dra74
ARM: dts: dra7: Add properties to enable PCIe x2 lane mode
PCI: dwc: pci-dra7xx: Enable x2 mode support
PCI: dwc: dra7xx: Add support for SoC specific compatible strings
dt-bindings: PCI: dra7xx: Add properties to enable x2 lane in dra7
dt-bindings: PCI: dra7xx: Add SoC specific compatible strings
ARM: dts: dra7-evm: Move pcie RC node to common file
ARM: dts: dra76-evm: add higher speed MMC/SD modes
Linux 4.4.84
usb: qmi_wwan: add D-Link DWM-222 device ID
usb: optimize acpi companion search for usb port devices
perf/x86: Fix LBR related crashes on Intel Atom
pids: make task_tgid_nr_ns() safe
Sanitize 'move_pages()' permission checks
irqchip/atmel-aic: Fix unbalanced refcount in aic_common_rtc_irq_fixup()
irqchip/atmel-aic: Fix unbalanced of_node_put() in aic_common_irq_fixup()
x86/asm/64: Clear AC on NMI entries
...
Change-Id: I0803bbf022044e8687156756029bc9d86918a9bd
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
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* p-ti-lsk-linux-4.4.y: (35 commits)
ARM: dts: dra7: Remove deprecated PCI compatible string
ARM: dts: dra76-evm: Enable x2 PCIe lanes
ARM: dts: DRA72x: Use PCIe compatible specific to dra72
ARM: dts: DRA74x: Use PCIe compatible specific to dra74
ARM: dts: dra7: Add properties to enable PCIe x2 lane mode
PCI: dwc: pci-dra7xx: Enable x2 mode support
PCI: dwc: dra7xx: Add support for SoC specific compatible strings
dt-bindings: PCI: dra7xx: Add properties to enable x2 lane in dra7
dt-bindings: PCI: dra7xx: Add SoC specific compatible strings
ARM: dts: dra7-evm: Move pcie RC node to common file
ARM: dts: dra76-evm: add higher speed MMC/SD modes
Linux 4.4.84
usb: qmi_wwan: add D-Link DWM-222 device ID
usb: optimize acpi companion search for usb port devices
perf/x86: Fix LBR related crashes on Intel Atom
pids: make task_tgid_nr_ns() safe
Sanitize 'move_pages()' permission checks
irqchip/atmel-aic: Fix unbalanced refcount in aic_common_rtc_irq_fixup()
irqchip/atmel-aic: Fix unbalanced of_node_put() in aic_common_irq_fixup()
x86/asm/64: Clear AC on NMI entries
...
Change-Id: If3cd3c2bf1937346aecf0e3d6ec650e324744b1b
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
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git://git.ti.com/ti-linux-kernel/ti-linux-kernel into p-ti-lsk-linux-4.4.y
* 'ti-lsk-linux-4.4.y' of git://git.ti.com/ti-linux-kernel/ti-linux-kernel: (35 commits)
ARM: dts: dra7: Remove deprecated PCI compatible string
ARM: dts: dra76-evm: Enable x2 PCIe lanes
ARM: dts: DRA72x: Use PCIe compatible specific to dra72
ARM: dts: DRA74x: Use PCIe compatible specific to dra74
ARM: dts: dra7: Add properties to enable PCIe x2 lane mode
PCI: dwc: pci-dra7xx: Enable x2 mode support
PCI: dwc: dra7xx: Add support for SoC specific compatible strings
dt-bindings: PCI: dra7xx: Add properties to enable x2 lane in dra7
dt-bindings: PCI: dra7xx: Add SoC specific compatible strings
ARM: dts: dra7-evm: Move pcie RC node to common file
ARM: dts: dra76-evm: add higher speed MMC/SD modes
Linux 4.4.84
usb: qmi_wwan: add D-Link DWM-222 device ID
usb: optimize acpi companion search for usb port devices
perf/x86: Fix LBR related crashes on Intel Atom
pids: make task_tgid_nr_ns() safe
Sanitize 'move_pages()' permission checks
irqchip/atmel-aic: Fix unbalanced refcount in aic_common_rtc_irq_fixup()
irqchip/atmel-aic: Fix unbalanced of_node_put() in aic_common_irq_fixup()
x86/asm/64: Clear AC on NMI entries
...
Change-Id: Ifef5bda04bb17d2c4c96e509f1134c5f1eeab611
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
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into ti-lsk-linux-4.4.y
TI-Feature: ti_linux_base_lsk
TI-Tree: git@git.ti.com:ti-linux-kernel/ti-linux-kernel.git
TI-Branch: ti-linux-4.4.y
* 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel:
ARM: dts: dra7: Remove deprecated PCI compatible string
ARM: dts: dra76-evm: Enable x2 PCIe lanes
ARM: dts: DRA72x: Use PCIe compatible specific to dra72
ARM: dts: DRA74x: Use PCIe compatible specific to dra74
ARM: dts: dra7: Add properties to enable PCIe x2 lane mode
PCI: dwc: pci-dra7xx: Enable x2 mode support
PCI: dwc: dra7xx: Add support for SoC specific compatible strings
dt-bindings: PCI: dra7xx: Add properties to enable x2 lane in dra7
dt-bindings: PCI: dra7xx: Add SoC specific compatible strings
ARM: dts: dra7-evm: Move pcie RC node to common file
ARM: dts: dra76-evm: add higher speed MMC/SD modes
ARM: dts: dra76-evm: shift to using common IOdelay data
ARM: dts: dra76x: create a common file with MMC/SD IOdelay data
ARM: DRA722: Add support for DRA71x Silicon Rev 2.1
Signed-off-by: LCPD Auto Merger <lcpd_integration@list.ti.com>
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git://git.ti.com/ti-linux-kernel/ti-linux-kernel-maint into ti-linux-4.4.y
TI-Feature: ti-linux-4.4-maint
TI-Tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel-maint.git
TI-Branch: maint-ti-linux-4.4.y
* 'maint-ti-linux-4.4.y' of git://git.ti.com/ti-linux-kernel/ti-linux-kernel-maint:
ARM: dts: dra7: Remove deprecated PCI compatible string
ARM: dts: dra76-evm: Enable x2 PCIe lanes
ARM: dts: DRA72x: Use PCIe compatible specific to dra72
ARM: dts: DRA74x: Use PCIe compatible specific to dra74
ARM: dts: dra7: Add properties to enable PCIe x2 lane mode
PCI: dwc: pci-dra7xx: Enable x2 mode support
PCI: dwc: dra7xx: Add support for SoC specific compatible strings
dt-bindings: PCI: dra7xx: Add properties to enable x2 lane in dra7
dt-bindings: PCI: dra7xx: Add SoC specific compatible strings
ARM: dts: dra7-evm: Move pcie RC node to common file
ARM: dts: dra76-evm: add higher speed MMC/SD modes
ARM: dts: dra76-evm: shift to using common IOdelay data
ARM: dts: dra76x: create a common file with MMC/SD IOdelay data
ARM: DRA722: Add support for DRA71x Silicon Rev 2.1
Signed-off-by: Dan Murphy <dmurphy@ti.com>
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Since SoC specific compatible strings are used for PCIe in
dra74x.dtsi and dra72x.dtsi, remove the compatible property
from dra7.dtsi which uses the deprecated compatible string.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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DRA76 EVM has a 4-lane PCIe connector and DRA76 can support x2 lanes.
Enable both the PCIe lanes here.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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Use dra72 specific compatible string for PCIe.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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Use dra74 specific compatible string for PCIe.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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syscon-lane-sel and syscon-lane-conf properties specific to enable
PCIe x2 lane mode are added here.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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Perform syscon configurations to get x2 mode to working in dra74x
(and dra76x).
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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dra74x/dra76x and dra72x has separate compatible strings. Add support
for these compatible strings in pci-dra7xx driver.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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Add syscon properties required for configuring PCIe in x2 lane mode.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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Add new compatible strings for dra74x SoC (also used by dra76x) and
dra72x. This can be used to perform SoC specific configuration
(like configuring PCIe in x2 lane mode).
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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Move the pcie_rc node to common file so that it can be
used by dra76-evm as well.
Signed-off-by: Ravikumar Kattekola <rk@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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The SD card interface on DRA76x EVM can support
high speed SD cards. The eMMC onboard can support
upto HS200 mode.
Enable support for these higher speed modes in the
device-tree file.
Tested-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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Now that we have a device-tree include file with common
MMC/SD IOdelay data for DRA76x SoC, shift the EVM device-tree
file to using that.
Tested-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Add a common device-tree include file with MMC/SD IOdelay data
for DRA76x SoC.
In the most common case, IOdelay data available in datamanual
can directly be used. This file caters to that common case.
Data is based on DRA76x datamanual, SPRS993A, revised July 2017.
Tested-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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commit 913e582135a1ad6eb91b743dcb5f64d2e15e025f branch ti-linux-4.9.y
DRA71x processors are reduced pin and software compatible
derivative of DRA72 processors.
Silicon Rev 2.1 is a minor variant of DRA71x Rev 2.0 with
various fixes including the following:
- NAND boot fixes
- ROM update for secure boot crypto enhancement
Signed-off-by: Vishal Mahaveer <vishalm@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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into ti-lsk-linux-4.4.y
TI-Feature: ti_linux_base_lsk
TI-Tree: git@git.ti.com:ti-linux-kernel/ti-linux-kernel.git
TI-Branch: ti-linux-4.4.y
* 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: (21 commits)
Linux 4.4.84
usb: qmi_wwan: add D-Link DWM-222 device ID
usb: optimize acpi companion search for usb port devices
perf/x86: Fix LBR related crashes on Intel Atom
pids: make task_tgid_nr_ns() safe
Sanitize 'move_pages()' permission checks
irqchip/atmel-aic: Fix unbalanced refcount in aic_common_rtc_irq_fixup()
irqchip/atmel-aic: Fix unbalanced of_node_put() in aic_common_irq_fixup()
x86/asm/64: Clear AC on NMI entries
xen: fix bio vec merging
mm: revert x86_64 and arm64 ELF_ET_DYN_BASE base changes
mm/mempolicy: fix use after free when calling get_mempolicy
ALSA: usb-audio: Add mute TLV for playback volumes on C-Media devices
ALSA: usb-audio: Apply sample rate quirk to Sennheiser headset
ALSA: seq: 2nd attempt at fixing race creating a queue
Input: elan_i2c - Add antoher Lenovo ACPI ID for upcoming Lenovo NB
Input: elan_i2c - add ELAN0608 to the ACPI table
crypto: x86/sha1 - Fix reads beyond the number of blocks passed
parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo
audit: Fix use after free in audit_remove_watch_rule()
...
Signed-off-by: LCPD Auto Merger <lcpd_integration@list.ti.com>
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http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into ti-linux-4.4.y
This is the 4.4.84 stable release
* tag 'v4.4.84' of http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable: (21 commits)
Linux 4.4.84
usb: qmi_wwan: add D-Link DWM-222 device ID
usb: optimize acpi companion search for usb port devices
perf/x86: Fix LBR related crashes on Intel Atom
pids: make task_tgid_nr_ns() safe
Sanitize 'move_pages()' permission checks
irqchip/atmel-aic: Fix unbalanced refcount in aic_common_rtc_irq_fixup()
irqchip/atmel-aic: Fix unbalanced of_node_put() in aic_common_irq_fixup()
x86/asm/64: Clear AC on NMI entries
xen: fix bio vec merging
mm: revert x86_64 and arm64 ELF_ET_DYN_BASE base changes
mm/mempolicy: fix use after free when calling get_mempolicy
ALSA: usb-audio: Add mute TLV for playback volumes on C-Media devices
ALSA: usb-audio: Apply sample rate quirk to Sennheiser headset
ALSA: seq: 2nd attempt at fixing race creating a queue
Input: elan_i2c - Add antoher Lenovo ACPI ID for upcoming Lenovo NB
Input: elan_i2c - add ELAN0608 to the ACPI table
crypto: x86/sha1 - Fix reads beyond the number of blocks passed
parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo
audit: Fix use after free in audit_remove_watch_rule()
...
Signed-off-by: LCPD Auto Merger <lcpd_integration@list.ti.com>
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commit bed9ff165960921303a100228585f2d1691b42eb upstream.
Signed-off-by: Hector Martin <marcan@marcan.st>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ed18c5fa945768a9bec994e786edbbbc7695acf6 upstream.
This optimization significantly reduces xhci driver load time.
In ACPI tables the acpi companion port devices are children of
the hub device. The port devices are identified by their port number
returned by the ACPI _ADR method.
_ADR 0 is reserved for the root hub device.
The current implementation to find a acpi companion port device
loops through all acpi port devices under that parent hub, evaluating
their _ADR method each time a new port device is added.
for a xHC controller with 25 ports under its roothub it
will end up invoking ACPI bytecode 625 times before all ports
are ready, making it really slow.
The _ADR values are already read and cached earler. So instead of
running the bytecode again we can check the cached _ADR value first,
and then fall back to the old way.
As one of the more significant changes, the xhci load time on
Intel kabylake reduced by 70%, (28ms) from
initcall xhci_pci_init+0x0/0x49 returned 0 after 39537 usecs
to
initcall xhci_pci_init+0x0/0x49 returned 0 after 11270 usecs
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6fc2e83077b05a061afe9b24f2fdff7a0434eb67 upstream.
This patches fixes the LBR kernel crashes on Intel Atom.
The kernel was assuming that if the CPU supports 64-bit format
LBR, then it has an LBR_SELECT MSR. Atom uses 64-bit LBR format
but does not have LBR_SELECT. That was causing NULL pointer
dereferences in a couple of places.
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: kan.liang@intel.com
Fixes: 96f3eda67fcf ("perf/x86/intel: Fix static checker warning in lbr enable")
Link: http://lkml.kernel.org/r/1449182000-31524-2-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Denys Zagorui <dzagorui@cisco.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dd1c1f2f2028a7b851f701fc6a8ebe39dcb95e7c upstream.
This was reported many times, and this was even mentioned in commit
52ee2dfdd4f5 ("pids: refactor vnr/nr_ns helpers to make them safe") but
somehow nobody bothered to fix the obvious problem: task_tgid_nr_ns() is
not safe because task->group_leader points to nowhere after the exiting
task passes exit_notify(), rcu_read_lock() can not help.
We really need to change __unhash_process() to nullify group_leader,
parent, and real_parent, but this needs some cleanups. Until then we
can turn task_tgid_nr_ns() into another user of __task_pid_nr_ns() and
fix the problem.
Reported-by: Troy Kensinger <tkensinger@google.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 197e7e521384a23b9e585178f3f11c9fa08274b9 upstream.
The 'move_paghes()' system call was introduced long long ago with the
same permission checks as for sending a signal (except using
CAP_SYS_NICE instead of CAP_SYS_KILL for the overriding capability).
That turns out to not be a great choice - while the system call really
only moves physical page allocations around (and you need other
capabilities to do a lot of it), you can check the return value to map
out some the virtual address choices and defeat ASLR of a binary that
still shares your uid.
So change the access checks to the more common 'ptrace_may_access()'
model instead.
This tightens the access checks for the uid, and also effectively
changes the CAP_SYS_NICE check to CAP_SYS_PTRACE, but it's unlikely that
anybody really _uses_ this legacy system call any more (we hav ebetter
NUMA placement models these days), so I expect nobody to notice.
Famous last words.
Reported-by: Otto Ebeling <otto.ebeling@iki.fi>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Willy Tarreau <w@1wt.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 277867ade8262583f4280cadbe90e0031a3706a7 upstream.
of_find_compatible_node() is calling of_node_put() on its first argument
thus leading to an unbalanced of_node_get/put() issue if the node has not
been retained before that.
Instead of passing the root node, pass NULL, which does exactly the same:
iterate over all DT nodes, starting from the root node.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Fixes: 3d61467f9bab ("irqchip: atmel-aic: Implement RTC irq fixup")
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 469bcef53c546bb792aa66303933272991b7831d upstream.
aic_common_irq_fixup() is calling twice of_node_put() on the same node
thus leading to an unbalanced refcount on the root node.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Fixes: b2f579b58e93 ("irqchip: atmel-aic: Add irq fixup infrastructure")
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e93c17301ac55321fc18e0f8316e924e58a83c8c upstream.
This closes a hole in our SMAP implementation.
This patch comes from grsecurity. Good catch!
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/314cc9f294e8f14ed85485727556ad4f15bb1659.1502159503.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 462cdace790ac2ed6aad1b19c9c0af0143b6aab0 upstream.
The current test for bio vec merging is not fully accurate and can be
tricked into merging bios when certain grant combinations are used.
The result of these malicious bio merges is a bio that extends past
the memory page used by any of the originating bios.
Take into account the following scenario, where a guest creates two
grant references that point to the same mfn, ie: grant 1 -> mfn A,
grant 2 -> mfn A.
These references are then used in a PV block request, and mapped by
the backend domain, thus obtaining two different pfns that point to
the same mfn, pfn B -> mfn A, pfn C -> mfn A.
If those grants happen to be used in two consecutive sectors of a disk
IO operation becoming two different bios in the backend domain, the
checks in xen_biovec_phys_mergeable will succeed, because bfn1 == bfn2
(they both point to the same mfn). However due to the bio merging,
the backend domain will end up with a bio that expands past mfn A into
mfn A + 1.
Fix this by making sure the check in xen_biovec_phys_mergeable takes
into account the offset and the length of the bio, this basically
replicates whats done in __BIOVEC_PHYS_MERGEABLE using mfns (bus
addresses). While there also remove the usage of
__BIOVEC_PHYS_MERGEABLE, since that's already checked by the callers
of xen_biovec_phys_mergeable.
Reported-by: "Jan H. Schönherr" <jschoenh@amazon.de>
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c715b72c1ba406f133217b509044c38d8e714a37 upstream.
Moving the x86_64 and arm64 PIE base from 0x555555554000 to 0x000100000000
broke AddressSanitizer. This is a partial revert of:
eab09532d400 ("binfmt_elf: use ELF_ET_DYN_BASE only for PIE")
02445990a96e ("arm64: move ELF_ET_DYN_BASE to 4GB / 4MB")
The AddressSanitizer tool has hard-coded expectations about where
executable mappings are loaded.
The motivation for changing the PIE base in the above commits was to
avoid the Stack-Clash CVEs that allowed executable mappings to get too
close to heap and stack. This was mainly a problem on 32-bit, but the
64-bit bases were moved too, in an effort to proactively protect those
systems (proofs of concept do exist that show 64-bit collisions, but
other recent changes to fix stack accounting and setuid behaviors will
minimize the impact).
The new 32-bit PIE base is fine for ASan (since it matches the ET_EXEC
base), so only the 64-bit PIE base needs to be reverted to let x86 and
arm64 ASan binaries run again. Future changes to the 64-bit PIE base on
these architectures can be made optional once a more dynamic method for
dealing with AddressSanitizer is found. (e.g. always loading PIE into
the mmap region for marked binaries.)
Link: http://lkml.kernel.org/r/20170807201542.GA21271@beast
Fixes: eab09532d400 ("binfmt_elf: use ELF_ET_DYN_BASE only for PIE")
Fixes: 02445990a96e ("arm64: move ELF_ET_DYN_BASE to 4GB / 4MB")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Kostya Serebryany <kcc@google.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 73223e4e2e3867ebf033a5a8eb2e5df0158ccc99 upstream.
I hit a use after free issue when executing trinity and repoduced it
with KASAN enabled. The related call trace is as follows.
BUG: KASan: use after free in SyS_get_mempolicy+0x3c8/0x960 at addr ffff8801f582d766
Read of size 2 by task syz-executor1/798
INFO: Allocated in mpol_new.part.2+0x74/0x160 age=3 cpu=1 pid=799
__slab_alloc+0x768/0x970
kmem_cache_alloc+0x2e7/0x450
mpol_new.part.2+0x74/0x160
mpol_new+0x66/0x80
SyS_mbind+0x267/0x9f0
system_call_fastpath+0x16/0x1b
INFO: Freed in __mpol_put+0x2b/0x40 age=4 cpu=1 pid=799
__slab_free+0x495/0x8e0
kmem_cache_free+0x2f3/0x4c0
__mpol_put+0x2b/0x40
SyS_mbind+0x383/0x9f0
system_call_fastpath+0x16/0x1b
INFO: Slab 0xffffea0009cb8dc0 objects=23 used=8 fp=0xffff8801f582de40 flags=0x200000000004080
INFO: Object 0xffff8801f582d760 @offset=5984 fp=0xffff8801f582d600
Bytes b4 ffff8801f582d750: ae 01 ff ff 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ
Object ffff8801f582d760: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
Object ffff8801f582d770: 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkk.
Redzone ffff8801f582d778: bb bb bb bb bb bb bb bb ........
Padding ffff8801f582d8b8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Memory state around the buggy address:
ffff8801f582d600: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8801f582d680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8801f582d700: fc fc fc fc fc fc fc fc fc fc fc fc fb fb fb fc
!shared memory policy is not protected against parallel removal by other
thread which is normally protected by the mmap_sem. do_get_mempolicy,
however, drops the lock midway while we can still access it later.
Early premature up_read is a historical artifact from times when
put_user was called in this path see https://lwn.net/Articles/124754/
but that is gone since 8bccd85ffbaf ("[PATCH] Implement sys_* do_*
layering in the memory policy layer."). but when we have the the
current mempolicy ref count model. The issue was introduced
accordingly.
Fix the issue by removing the premature release.
Link: http://lkml.kernel.org/r/1502950924-27521-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 0f174b3525a43bd51f9397394763925e0ebe7bc7 upstream.
C-Media devices (at least some models) mute the playback stream when
volumes are set to the minimum value. But this isn't informed via TLV
and the user-space, typically PulseAudio, gets confused as if it's
still played in a low volume.
This patch adds the new flag, min_mute, to struct usb_mixer_elem_info
for indicating that the mixer element is with the minimum-mute volume.
This flag is set for known C-Media devices in
snd_usb_mixer_fu_apply_quirk() in turn.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196669
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a8e800fe0f68bc28ce309914f47e432742b865ed upstream.
A Senheisser headset requires the typical sample-rate quirk for
avoiding spurious errors from inquiring the current sample rate like:
usb 1-1: 2:1: cannot get freq at ep 0x4
usb 1-1: 3:1: cannot get freq at ep 0x83
The USB ID 1395:740a has to be added to the entries in
snd_usb_get_sample_rate_quirk().
Bugzilla: https://bugzilla.suse.com/show_bug.cgi?id=1052580
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7e1d90f60a0d501c8503e636942ca704a454d910 upstream.
commit 4842e98f26dd80be3623c4714a244ba52ea096a8 ("ALSA: seq: Fix race at
creating a queue") attempted to fix a race reported by syzkaller. That
fix has been described as follows:
"
When a sequencer queue is created in snd_seq_queue_alloc(),it adds the
new queue element to the public list before referencing it. Thus the
queue might be deleted before the call of snd_seq_queue_use(), and it
results in the use-after-free error, as spotted by syzkaller.
The fix is to reference the queue object at the right time.
"
Even with that fix in place, syzkaller reported a use-after-free error.
It specifically pointed to the last instruction "return q->queue" in
snd_seq_queue_alloc(). The pointer q is being used after kfree() has
been called on it.
It turned out that there is still a small window where a race can
happen. The window opens at
snd_seq_ioctl_create_queue()->snd_seq_queue_alloc()->queue_list_add()
and closes at
snd_seq_ioctl_create_queue()->queueptr()->snd_use_lock_use(). Between
these two calls, a different thread could delete the queue and possibly
re-create a different queue in the same location in queue_list.
This change prevents this situation by calling snd_use_lock_use() from
snd_seq_queue_alloc() prior to calling queue_list_add(). It is then the
caller's responsibility to call snd_use_lock_free(&q->use_lock).
Fixes: 4842e98f26dd ("ALSA: seq: Fix race at creating a queue")
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Daniel Mentz <danielmentz@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 76988690402dde2880bfe06ecccf381d48ba8e1c upstream.
Add 2 new IDs (ELAN0609 and ELAN060B) to the list of ACPI IDs that should
be handled by the driver.
Signed-off-by: KT Liao <kt.liao@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1874064eed0502bd9bef7be8023757b0c4f26883 upstream.
Similar to commit 722c5ac708b4f ("Input: elan_i2c - add ELAN0605 to the
ACPI table"), ELAN0608 should be handled by elan_i2c.
This touchpad can be found in Lenovo ideapad 320-14IKB.
BugLink: https://bugs.launchpad.net/bugs/1708852
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8861249c740fc4af9ddc5aee321eafefb960d7c6 upstream.
It was reported that the sha1 AVX2 function(sha1_transform_avx2) is
reading ahead beyond its intended data, and causing a crash if the next
block is beyond page boundary:
http://marc.info/?l=linux-crypto-vger&m=149373371023377
This patch makes sure that there is no overflow for any buffer length.
It passes the tests written by Jan Stancek that revealed this problem:
https://github.com/jstancek/sha1-avx2-crash
I have re-enabled sha1-avx2 by reverting commit
b82ce24426a4071da9529d726057e4e642948667
Fixes: b82ce24426a4 ("crypto: sha1-ssse3 - Disable avx2")
Originally-by: Ilya Albrekht <ilya.albrekht@intel.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Megha Dey <megha.dey@linux.intel.com>
Reported-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4098116039911e8870d84c975e2ec22dab65a909 upstream.
For 64bit kernels the lmmio_space_offset of the host bridge window
isn't set correctly on systems with dino/cujo PCI host bridges.
This leads to not assigned memory bars and failing drivers, which
need to use these bars.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d76036ab47eafa6ce52b69482e91ca3ba337d6d6 upstream.
audit_remove_watch_rule() drops watch's reference to parent but then
continues to work with it. That is not safe as parent can get freed once
we drop our reference. The following is a trivial reproducer:
mount -o loop image /mnt
touch /mnt/file
auditctl -w /mnt/file -p wax
umount /mnt
auditctl -D
<crash in fsnotify_destroy_mark()>
Grab our own reference in audit_remove_watch_rule() earlier to make sure
mark does not get freed under us.
Reported-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Tested-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9c3f3794926a997b1cab6c42480ff300efa2d162 upstream.
If one cpu is doing nf_ct_extend_unregister while another cpu is doing
__nf_ct_ext_add_length, then we may hit BUG_ON(t == NULL). Moreover,
there's no synchronize_rcu invocation after set nf_ct_ext_types[id] to
NULL, so it's possible that we may access invalid pointer.
But actually, most of the ct extends are built-in, so the problem listed
above will not happen. However, there are two exceptions: NF_CT_EXT_NAT
and NF_CT_EXT_SYNPROXY.
For _EXT_NAT, the panic will not happen, since adding the nat extend and
unregistering the nat extend are located in the same file(nf_nat_core.c),
this means that after the nat module is removed, we cannot add the nat
extend too.
For _EXT_SYNPROXY, synproxy extend may be added by init_conntrack, while
synproxy extend unregister will be done by synproxy_core_exit. So after
nf_synproxy_core.ko is removed, we may still try to add the synproxy
extend, then kernel panic may happen.
I know it's very hard to reproduce this issue, but I can play a tricky
game to make it happen very easily :)
Step 1. Enable SYNPROXY for tcp dport 1234 at FORWARD hook:
# iptables -I FORWARD -p tcp --dport 1234 -j SYNPROXY
Step 2. Queue the syn packet to the userspace at raw table OUTPUT hook.
Also note, in the userspace we only add a 20s' delay, then
reinject the syn packet to the kernel:
# iptables -t raw -I OUTPUT -p tcp --syn -j NFQUEUE --queue-num 1
Step 3. Using "nc 2.2.2.2 1234" to connect the server.
Step 4. Now remove the nf_synproxy_core.ko quickly:
# iptables -F FORWARD
# rmmod ipt_SYNPROXY
# rmmod nf_synproxy_core
Step 5. After 20s' delay, the syn packet is reinjected to the kernel.
Now you will see the panic like this:
kernel BUG at net/netfilter/nf_conntrack_extend.c:91!
Call Trace:
? __nf_ct_ext_add_length+0x53/0x3c0 [nf_conntrack]
init_conntrack+0x12b/0x600 [nf_conntrack]
nf_conntrack_in+0x4cc/0x580 [nf_conntrack]
ipv4_conntrack_local+0x48/0x50 [nf_conntrack_ipv4]
nf_reinject+0x104/0x270
nfqnl_recv_verdict+0x3e1/0x5f9 [nfnetlink_queue]
? nfqnl_recv_verdict+0x5/0x5f9 [nfnetlink_queue]
? nla_parse+0xa0/0x100
nfnetlink_rcv_msg+0x175/0x6a9 [nfnetlink]
[...]
One possible solution is to make NF_CT_EXT_SYNPROXY extend built-in, i.e.
introduce nf_conntrack_synproxy.c and only do ct extend register and
unregister in it, similar to nf_conntrack_timeout.c.
But having such a obscure restriction of nf_ct_extend_unregister is not a
good idea, so we should invoke synchronize_rcu after set nf_ct_ext_types
to NULL, and check the NULL pointer when do __nf_ct_ext_add_length. Then
it will be easier if we add new ct extend in the future.
Last, we use kfree_rcu to free nf_ct_ext, so rcu_barrier() is unnecessary
anymore, remove it too.
Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.omapzoom.org/kernel/omap into p-ti-lsk-android-linux-4.4.y
Auto Merge of:
TI-Feature: linux-4.4.y-next_android-4.4.y
TI-Tree: git://git.omapzoom.org/kernel/omap.git
TI-Branch: p-ti-lsk-linux-4.4.y-next
* 'p-ti-lsk-linux-4.4.y-next' of git://git.omapzoom.org/kernel/omap:
arm: dts: dra76: enable auo fpdlink display
Signed-off-by: David Huang <d-huang@ti.com>
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commit b479cc78e8c2 ("arm: dts: dra76: enable auo fpdlink display")
missed enabling the dts in makefile
this patch fixes it
Change-Id: I2acf74ec83a06095bd2e61df195435370070b5c8
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
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git://git.omapzoom.org/kernel/omap into p-ti-lsk-android-linux-4.4.y
Auto Merge of:
TI-Feature: linux-4.4.y-next_android-4.4.y
TI-Tree: git://git.omapzoom.org/kernel/omap.git
TI-Branch: p-ti-lsk-linux-4.4.y-next
* 'p-ti-lsk-linux-4.4.y-next' of git://git.omapzoom.org/kernel/omap:
Signed-off-by: David Huang <d-huang@ti.com>
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into p-ti-lsk-linux-4.4.y-next
Auto Merge of:
TI-Feature: linux-4.4.y_linux-4.4.y-next
TI-Tree: git://git.omapzoom.org/kernel/omap.git
TI-Branch: p-ti-lsk-linux-4.4.y
* 'p-ti-lsk-linux-4.4.y' of git://git.omapzoom.org/kernel/omap: (24 commits)
Linux 4.4.83
pinctrl: samsung: Remove bogus irq_[un]mask from resource management
pinctrl: sunxi: add a missing function of A10/A20 pinctrl driver
pnfs/blocklayout: require 64-bit sector_t
iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits
usb:xhci:Add quirk for Certain failing HP keyboard on reset after resume
usb: quirks: Add no-lpm quirk for Moshi USB to Ethernet Adapter
usb: core: unlink urbs from the tail of the endpoint's urb_list
USB: Check for dropped connection before switching to full speed
uas: Add US_FL_IGNORE_RESIDUE for Initio Corporation INIC-3069
iio: light: tsl2563: use correct event code
iio: accel: bmc150: Always restore device to normal mode after suspend-resume
staging:iio:resolver:ad2s1210 fix negative IIO_ANGL_VEL read
USB: hcd: Mark secondary HCD as dead if the primary one died
usb: musb: fix tx fifo flush handling again
USB: serial: pl2303: add new ATEN device id
USB: serial: cp210x: add support for Qivicon USB ZigBee dongle
USB: serial: option: add D-Link DWM-222 device ID
nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays
fuse: initialize the flock flag in fuse_file on allocation
...
Signed-off-by: David Huang <d-huang@ti.com>
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git://git.ti.com/ti-linux-kernel/ti-linux-kernel into p-ti-lsk-linux-4.4.y
Auto Merge of:
TI-Feature: lcpd-linux-4.4.y_linux-4.4.y
TI-Tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
TI-Branch: ti-lsk-linux-4.4.y
* 'ti-lsk-linux-4.4.y' of git://git.ti.com/ti-linux-kernel/ti-linux-kernel: (24 commits)
Linux 4.4.83
pinctrl: samsung: Remove bogus irq_[un]mask from resource management
pinctrl: sunxi: add a missing function of A10/A20 pinctrl driver
pnfs/blocklayout: require 64-bit sector_t
iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits
usb:xhci:Add quirk for Certain failing HP keyboard on reset after resume
usb: quirks: Add no-lpm quirk for Moshi USB to Ethernet Adapter
usb: core: unlink urbs from the tail of the endpoint's urb_list
USB: Check for dropped connection before switching to full speed
uas: Add US_FL_IGNORE_RESIDUE for Initio Corporation INIC-3069
iio: light: tsl2563: use correct event code
iio: accel: bmc150: Always restore device to normal mode after suspend-resume
staging:iio:resolver:ad2s1210 fix negative IIO_ANGL_VEL read
USB: hcd: Mark secondary HCD as dead if the primary one died
usb: musb: fix tx fifo flush handling again
USB: serial: pl2303: add new ATEN device id
USB: serial: cp210x: add support for Qivicon USB ZigBee dongle
USB: serial: option: add D-Link DWM-222 device ID
nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays
fuse: initialize the flock flag in fuse_file on allocation
...
Signed-off-by: David Huang <d-huang@ti.com>
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