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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big tty/serial driver patchset for 4.11-rc1.
Not much here, but a lot of little fixes and individual serial driver
updates all over the subsystem. Majority are for the sh-sci driver and
platform (the arch-specific changes have acks from the maintainer).
The start of the "serial bus" code is here as well, but nothing is
converted to use it yet. That work is still ongoing, hopefully will
start to show up across different subsystems for 4.12 (bluetooth is
one major place that will be used.)
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (109 commits)
tty: pl011: Work around QDF2400 E44 stuck BUSY bit
atmel_serial: Use the fractional divider when possible
tty: Remove extra include in HVC console tty framework
serial: exar: Enable MSI support
serial: exar: Move register defines from uapi header to consumer site
serial: pci: Remove unused pci_boards entries
serial: exar: Move Commtech adapters to 8250_exar as well
serial: exar: Fix feature control register constants
serial: exar: Fix initialization of EXAR registers for ports > 0
serial: exar: Fix mapping of port I/O resources
serial: sh-sci: fix hardware RX trigger level setting
tty/serial: atmel: ensure state is restored after suspending
serial: 8250_dw: Avoid "too much work" from bogus rx timeout interrupt
serdev: ttyport: check whether tty_init_dev() fails
serial: 8250_pci: make pciserial_detach_ports() static
ARM: dts: STiH410-b2260: Enable HW flow-control
ARM: dts: STiH407-family: Use new Pinctrl groups
ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
ARM: dts: STiH410-b2260: Identify the UART RTS line
dt-bindings: serial: Update 'uart-has-rtscts' description
...
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The Qualcomm Datacenter Technologies QDF2400 family of SoCs contains a
custom (non-PrimeCell) implementation of the SBSA UART. Occasionally the
BUSY bit in the Flag Register gets stuck as 1, erratum 44 for both 2432v1
and 2400v1 SoCs.Checking that the Transmit FIFO Empty (TXFE) bit is 0,
instead of checking that the BUSY bit is 1, works around the issue.
To facilitate this substitution of flags and values, introduce
vendor-specific inversion of Feature Register bits when UART AMBA Port
(UAP) data is available. For the earlycon case, prior to UAP availability,
implement alternative putc and early_write functions.
Similar to what how ARMv8 ACPI PCI quirks are detected during MCFG parsing,
check the OEM fields of the Serial Port Console Redirection (SPCR) ACPI
table to determine if the current platform is known to be affected by the
erratum.
Signed-off-by: Christopher Covington <cov@codeaurora.org>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Timur Tabi <timur@codeaurora.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
- Errata workarounds for Qualcomm's Falkor CPU
- Qualcomm L2 Cache PMU driver
- Qualcomm SMCCC firmware quirk
- Support for DEBUG_VIRTUAL
- CPU feature detection for userspace via MRS emulation
- Preliminary work for the Statistical Profiling Extension
- Misc cleanups and non-critical fixes
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (74 commits)
arm64/kprobes: consistently handle MRS/MSR with XZR
arm64: cpufeature: correctly handle MRS to XZR
arm64: traps: correctly handle MRS/MSR with XZR
arm64: ptrace: add XZR-safe regs accessors
arm64: include asm/assembler.h in entry-ftrace.S
arm64: fix warning about swapper_pg_dir overflow
arm64: Work around Falkor erratum 1003
arm64: head.S: Enable EL1 (host) access to SPE when entered at EL2
arm64: arch_timer: document Hisilicon erratum 161010101
arm64: use is_vmalloc_addr
arm64: use linux/sizes.h for constants
arm64: uaccess: consistently check object sizes
perf: add qcom l2 cache perf events driver
arm64: remove wrong CONFIG_PROC_SYSCTL ifdef
ARM: smccc: Update HVC comment to describe new quirk parameter
arm64: do not trace atomic operations
ACPI/IORT: Fix the error return code in iort_add_smmu_platform_device()
ACPI/IORT: Fix iort_node_get_id() mapping entries indexing
arm64: mm: enable CONFIG_HOLES_IN_ZONE for NUMA
perf: xgene: Include module.h
...
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The function iort_add_smmu_platform_device() accidentally returns 0
(ie PTR_ERR(pdev) where pdev == NULL) if platform_device_alloc() fails;
fix the bug by returning a proper error value.
Fixes: 846f0e9e74a0 ("ACPI/IORT: Add support for ARM SMMU platform devices creation")
Acked-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
[lorenzo.pieralisi@arm.com: improved commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Commit 618f535a6062 ("ACPI/IORT: Add single mapping function")
introduced a function (iort_node_get_id()) to retrieve ids for IORT
named components.
The iort_node_get_id() takes an index as input to refer to a specific
mapping entry in the named component IORT node mapping array.
For a mapping entry at a given index, iort_node_get_id() should return
the id value (through the id_out function parameter) and the IORT node
output_reference (through function return value) the given mapping entry
refers to.
Technically output_reference values may differ for different map
entries, (see diagram below - mapped id values may refer to different eg
IORT SMMU nodes; the kernel may not be able to handle different
output_reference values for a given named component but the IORT kernel
layer should still report the IORT mappings as reported by firmware) but
current code in iort_node_get_id() fails to use the index function
parameter to return the correct output_reference value (ie it always
returns the output_reference value of the first entry in the mapping
array whilst using the index correctly to retrieve the id value from the
respective entry).
|----------------------|
| named component |
|----------------------|
| map entry[0] |
|----------------------|
| id value |
| output_reference----------------> eg SMMU 1
|----------------------|
| map entry[1] |
|----------------------|
| id value |
| output_reference----------------> eg SMMU 2
|----------------------|
.
.
.
|----------------------|
| map entry[N] |
|----------------------|
| id value |
| output_reference----------------> eg SMMU 1
|----------------------|
Consequently the iort_node_get_id() function always returns the IORT
node pointed at by the output_reference value of the first named
component mapping array entry, irrespective of the index parameter,
which is a bug.
Update the map array entry pointer computation in iort_node_get_id() to
take into account the index value, fixing the issue.
Fixes: 618f535a6062 ("ACPI/IORT: Add single mapping function")
Reported-by: Hanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Hanjun Guo <hanjun.guo@linaro.org>
Cc: Sinan Kaya <okaya@codeaurora.org>
Cc: Tomasz Nowicki <tn@semihalf.com>
Cc: Nate Watterson <nwatters@codeaurora.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20170119, which among other things updates copyright notices in all of
the ACPICA files, fix a couple of issues in the ACPI EC and button
drivers, fix modalias handling for non-discoverable devices with
DT-compatible identification strings, add a suspend quirk for one
platform and fix a message in the APEI code.
Specifics:
- Update of the ACPICA code in the kernel to upstream revision
20170119 including:
+ Fixes related to the handling of the bit width and bit offset
fields in Generic Address Structure (Lv Zheng)
+ ACPI resources handling fix related to invalid resource
descriptors (Bob Moore)
+ Fix to enable implicit result conversion for several ASL library
functions (Bob Moore)
+ Support for method invocations as target operands in AML (Bob
Moore)
+ Fix to use a correct operand type for DeRefOf() in some
situations (Bob Moore)
+ Utilities updates (Bob Moore, Lv Zheng)
+ Disassembler/debugger updates (David Box, Lv Zheng)
+ Build fixes (Colin Ian King, Lv Zheng)
+ Update of copyright notices in all files (Bob Moore)
- Fix for modalias handling for SPI and I2C devices with
DT-compatible identification strings (Dan O'Donovan)
- Fixes for the ACPI EC and button drivers (Lv Zheng)
- ACPI processor handling fix related to CPU hotplug (online/offline)
on x86 (Vitaly Kuznetsov)
- Suspend quirk to save/restore NVS memory over S3 transitions for
Lenovo G50-45 (Zhang Rui)
- Message formatting fix for the ACPI APEI code (Colin Ian King)"
* tag 'acpi-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
ACPICA: Update version to 20170119
ACPICA: Tools: Update common signon, remove compilation bit width
ACPICA: Source tree: Update copyright notices to 2017
ACPICA: Linuxize: Restore and fix Intel compiler build
x86/ACPI: keep x86_cpu_to_acpiid mapping valid on CPU hotplug
spi: acpi: Initialize modalias from of_compatible
i2c: acpi: Initialize info.type from of_compatible
ACPI / bus: Introduce acpi_of_modalias() equiv of of_modalias_node()
ACPI: save NVS memory for Lenovo G50-45
ACPI, APEI, EINJ: fix malformed newline escape
ACPI / button: Remove lid_init_state=method mode
ACPI / button: Change default behavior to lid_init_state=open
ACPI / EC: Use busy polling mode when GPE is not enabled
ACPI / EC: Remove old CLEAR_ON_RESUME quirk
ACPICA: Update version to 20161222
ACPICA: Parser: Update parse info table for some operators
ACPICA: Fix a problem with recent extra support for control method invocations
ACPICA: Parser: Allow method invocations as target operands
ACPICA: Fix for implicit result conversion for the ToXXX functions
ACPICA: Resources: Not a valid resource if buffer length too long
..
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* acpi-ec:
ACPI / EC: Use busy polling mode when GPE is not enabled
ACPI / EC: Remove old CLEAR_ON_RESUME quirk
* acpi-button:
ACPI / button: Remove lid_init_state=method mode
ACPI / button: Change default behavior to lid_init_state=open
* acpi-apei:
ACPI, APEI, EINJ: fix malformed newline escape
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The pr_warn message has a malformed newline escape, add in the
missing \
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The mode is buggy, and lid_init__state=open is more useful than this
mode, so this patch makes it deprecated.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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More and more platforms need the button.lid_init_state=open quirk. This
patch sets it the default behavior.
If a platform doesn't send lid open event or lid open event is lost due to
the underlying system problems, then we can compare various combinations:
1. systemd/acpid is used to suspend system or not, systemd has a special
logic forcing open event after resuming;
2. _LID returns a cached value or not.
The result is as follows:
1. lid_init_state=method
1. cached
1. resumed by lid:
(x) event=close
(x) systemd=suspends again
(x) acpid=suspends again
(x) state=close
2. resumed by other:
(o) event=close
(x) systemd=suspends again
(x) acpid=suspends again
(o) state=close
2. non-cached
1. resumed by lid:
(o) event=open
(o) systemd=resumes
(o) acpid=resumes
(o) state=open
2. resumed by other:
(o) event=close
(x) systemd=suspends again
(x) acpid=suspends again
(o) state=close
2. lid_init_state=open
1. cached
1. resumed by lid:
(o) event=open
(o) systemd=resumes
(o) acpid=resumes
(x) state=close
2. resumed by other:
(x) event=open
(o) systemd=resumes
(o) acpid=resumes
(o) state=close
2. non-cached
1. resumed by lid:
(o) event=open
(o) systemd=resumes
(o) acpid=resumes
(o) state=open
2. resumed by other:
(x) event=open
(o) systemd=resumes
(o) acpid=resumes
(o) state=close
3. lid_init_state=ignore
1. cached
1. resumed by lid:
(o) event=none
(x) systemd=suspends again
(o) acpid=resumes
(x) state=close
2. resumed by other:
(o) event=none
(x) systemd=suspends again
(o) acpid=resumes
(o) state=close
2. non-cached
1. resumed by lid:
(o) event=none
(x) systemd=suspends again
(o) acpid=resumes
(o) state=open
2. resumed by other:
(o) event=none
(x) systemd=suspends again
(o) acpid=resumes
(o) state=close
As a conclusion:
1. With systemd changed, lid_init_state=ignore has only one problem and the
problem comes from an underlying issue, not userspace and kernel lid
handling.
2. Without systemd changed, lid_init_state=open can be the default
behavior as the pass ratio is not much worse than lid_init_state=ignore.
3. lid_init_state=method is buggy, we can have a separate patch to make it
deprectated.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=187271
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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When GPE is not enabled, it is not efficient to use the wait polling mode
as it introduces an unexpected scheduler delay.
So before the GPE handler is installed, this patch uses busy polling mode
for all EC(s) and the logic can be applied to non boot EC(s) during the
suspend/resume process.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=191561
Tested-by: Jakobus Schurz <jakobus.schurz@gmail.com>
Tested-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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IRQ polling logic has been implemented to drain the post-boot/resume
EC events:
1. Triggered by the following code, invoked from acpi_ec_enable_event():
if (!test_bit(EC_FLAGS_QUERY_PENDING, &ec->flags))
advance_transaction(ec);
2. Drained by the following code, invoked after acpi_ec_complete_query():
if (status & ACPI_EC_FLAG_SCI)
acpi_ec_submit_query(ec);
This facility is safer than the old CLEAR_ON_RESUME quirk as the
CLEAR_ON_RESUME quirk sends EC query commands unconditionally. The
behavior is apparently not suitable for firmware that requires
QUERY_HANDSHAKE quirk. Though the QUERY_HANDSHAKE quirk isn't used
now because of the improvement done in the EC transaction state
machine (ec_event_clearing=QUERY), it is the proof that we cannot
send EC query command unconditionally.
So it's time to delete the out-dated CLEAR_ON_RESUME quirk to let the
users to try the newer approach.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=191211
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-bus:
spi: acpi: Initialize modalias from of_compatible
i2c: acpi: Initialize info.type from of_compatible
ACPI / bus: Introduce acpi_of_modalias() equiv of of_modalias_node()
* acpi-sleep:
ACPI: save NVS memory for Lenovo G50-45
* acpi-processor:
x86/ACPI: keep x86_cpu_to_acpiid mapping valid on CPU hotplug
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We may or may not have all possible CPUs in MADT on boot but in any
case we're overwriting x86_cpu_to_acpiid mapping with U32_MAX when
acpi_register_lapic() is called again on the CPU hotplug path:
acpi_processor_hotadd_init()
-> acpi_map_cpu()
-> acpi_register_lapic()
As we have the required acpi_id information in acpi_processor_hotadd_init()
propagate it to acpi_map_cpu() to always keep x86_cpu_to_acpiid
mapping valid.
Reported-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In commit 821d6f0359b0 (ACPI / sleep: Do not save NVS for new machines to
accelerate S3), to optimize S3 suspend/resume speed, code is introduced
to ignore NVS memory saving during S3 for all the platforms later than
2012.
But, Lenovo G50-45, a platform released in 2015, still needs NVS memory
saving during S3. A quirk is introduced for this platform.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=189431
Tested-by: Przemek <soprwa@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
[ rjw: Drop unnecessary code ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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When using devicetree stuff like i2c_client.name or spi_device.modalias
is initialized to the first DT compatible id with the vendor prefix
stripped. Since some drivers rely on this try to replicate it when using
ACPI with DT ids.
Signed-off-by: Dan O'Donovan <dan@emutex.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpica: (22 commits)
ACPICA: Update version to 20170119
ACPICA: Tools: Update common signon, remove compilation bit width
ACPICA: Source tree: Update copyright notices to 2017
ACPICA: Linuxize: Restore and fix Intel compiler build
ACPICA: Update version to 20161222
ACPICA: Parser: Update parse info table for some operators
ACPICA: Fix a problem with recent extra support for control method invocations
ACPICA: Parser: Allow method invocations as target operands
ACPICA: Fix for implicit result conversion for the ToXXX functions
ACPICA: Resources: Not a valid resource if buffer length too long
ACPICA: Utilities: Update debug output
ACPICA: Disassembler: Add Switch/Case disassembly support
ACPICA: EFI: Add efihello demo application
ACPICA: MSVC: Fix MSVC6 build issues
ACPICA: Linux-specific header: Add support for s390x compilation
ACPICA: Hardware: Add sleep register hooks
ACPICA: Macro header: Fix some typos in comments
ACPICA: Hardware: Sort access bit width algorithm
ACPICA: Utilities: Add power of two rounding support
ACPICA: Hardware: Add access_width/bit_offset support in acpi_hw_write()
...
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ACPICA commit 43e04e75a9849072a1557b674004d8093bddb9ef
Remove the bit width of the compiler that generated the tool
from the tool signon. This was confusing and unnecessary.
Changed the iASL signon to add "disassembler" to the name.
Link: https://github.com/acpica/acpica/commit/43e04e75
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 16577e5265923f4999b4d2c0addb2343b18135e1
Affects all files.
Link: https://github.com/acpica/acpica/commit/16577e52
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit b90e39948954ff400cff1a3f8effddb67f15460b
Operand for deref_of should not have been a term_arg, should be super_name.
Rename NAME_OR_REF to SIMPLENAME.
Link: https://github.com/acpica/acpica/commit/b90e3994
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit b7dae343fbb8c392999a66f5e08be5744a5d07e2
This change fixes a problem with the recent support that enables
control method invocations as Target operands to many ASL
operators. Eliminates errors similar to:
Needed type [Reference], found [Processor]
Link: https://github.com/acpica/acpica/commit/b7dae343
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit a6cca7a4786cdbfd29cea67e84b5b01a8ae6ff1c
Method invocations as target operands are allowed as target
operands in the ASL grammar. This change implements support
for this. Method must return a reference for this to work
properly at runtime, however.
Link: https://github.com/acpica/acpica/commit/a6cca7a4
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit e1342c9f2dde37a67e916099658b65984ef8a434
Implicit result conversion was incorrectly disabled for the
following functions:
FromBCD
ToBCD
ToDecimalString
ToHexString
ToInteger
ToBuffer
Link: https://github.com/acpica/acpica/commit/e1342c9f
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 9f76de2d249b18804e35fb55d14b1c2604d627a1
ACPICA commit b2e89d72ef1e9deefd63c3fd1dee90f893575b3a
ACPICA commit 23b5bbe6d78afd3c5abf3adb91a1b098a3000b2e
The declared buffer length must be the same as the length of the
byte initializer list, otherwise not a valid resource descriptor.
Link: https://github.com/acpica/acpica/commit/9f76de2d
Link: https://github.com/acpica/acpica/commit/b2e89d72
Link: https://github.com/acpica/acpica/commit/23b5bbe6
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 082b5b3ee31f74735e166858eeda025288604a5a
Enhancement of miscellaneous debug output.
Link: https://github.com/acpica/acpica/commit/082b5b3e
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 0f6cc80e8af519a3c31184367b0a9be7a399cf53
iasl compiles Switch/Case statements into a single iteration While
loop with If/Else statements. This patch adds support to recognize
this generated compiler output and disassemble it back to the
original Switch statement.
Linux kernel is not affected by this patch.
Link: https://github.com/acpica/acpica/commit/0f6cc80e
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit ba665dc8e20d9f7730466a659564dd6c557a6cbc
In Linux, para-virtualization implmentation hooks critical register
writes to prevent real hardware operations. This increases divergences
when the sleep registers are cracked in Linux resident ACPICA.
This patch tries to introduce a single OSL to reduce the divergences.
Link: https://github.com/acpica/acpica/commit/ba665dc8
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit efc97d1d209947d6990ec81a192c6b2589d3e368
No functional change.
Link: https://github.com/acpica/acpica/commit/efc97d1
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 365b321a31cb701957c055cae2d2161577147252
GAS can be in register or register region format, so we need to
improve our "register" format detection code in order not to
regress.
Such detection may be still experimental, and is generated according
to the current known facts.
Link: https://github.com/acpica/acpica/commit/365b321a
Link: https://bugzilla.kernel.org/show_bug.cgi?id=151501
Reported-and-tested-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit cbb0294649cbd7e8bd6107e4329461a6a7a0d967
This patch adds power of two rounding support up to 32 bits.
The result of the shift operations rearching to the boundary of the cpu
word is unpredicatable, so 64-bit roundings are not supported in order to
make sure no rounded shift-overs.
This support may not be performance friendly, so the APIs might be
overridden by the hosts implementations with ACPI_USE_NATIVE_BIT_FINDER
defined.
Link: https://github.com/acpica/acpica/commit/cbb02946
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 1ecab20bbe69a176dfb6da7210fe77aa6b3ad680
This patch adds access_width/bit_offset support in acpi_hw_write().
Link: https://github.com/acpica/acpica/commit/1ecab20b
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit bc7c5291865e099ce01f345d0265f0eba6997e23
This linuxized ACPICA commit is a back port result of the following
Linux commit:
Commit c3bc26d4b4e36f0dc458eea8b1f722d8a8d9addd
Subject: ACPICA: ACPI 2.0, Hardware: Add access_width/bit_offset
support in acpi_hw_read()
The commit was in ACPICA and Linux upstream, after reversion and
re-integration, it is designed not to do bit_offset masking (bit_offset is
only used to determine the boundary of the register) inside of the ACPICA
APIs, but let the callers to do that as:
1. Register can have different masking schemes (W1C, W0C);
2. Normally a mask value will be provided for region format GAS.
So actually the callers are the only ones having the knowledge of masking
the register values. Suggested by Bob Moore, Fixed by Lv Zheng.
Link: https://github.com/acpica/acpica/commit/bc7c5291
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit e76eb8b36ace880e4d475880db1128a206e57b6f
This linuxized ACPICA commit is a back port result of the following
linux commit:
Commit: f8d31489629c125806ce4bf587c0c5c284d6d113
Subject: ACPICA: Debugger: Convert some mechanisms to OSPM specific
During the back porting, it is requested by ACPICA to use expected OSL
names. Suggested by Bob Moore, Fixed by Lv Zheng.
Linux is not affected by this patch.
Link: https://github.com/acpica/acpica/commit/e76eb8b3
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"The majority of changes go into the Operating Performance Points (OPP)
framework and cpufreq this time, followed by devfreq and some
scattered updates all over.
The OPP changes are mostly related to switching over from RCU-based
synchronization, that turned out to be overly complicated and
problematic, to reference counting using krefs.
In the cpufreq land there are core cleanups, documentation updates, a
new driver for Broadcom BMIPS SoCs, a new cpufreq-dt sub-driver for TI
SoCs that require special handling, ARM64 SoCs support for the qoriq
driver, intel_pstate updates, powernv driver update and assorted
fixes.
The devfreq changes are mostly fixes related to the sysfs interface
and some Exynos drivers updates.
Apart from that, the cpuidle menu governor will support per-CPU PM QoS
constraints for the wakeup latency now, some bugs in the wakeup IRQs
framework are fixed, the generic power domains framework should handle
asynchronous invocations of *noirq suspend/resume callbacks from now
on, the analyze_suspend.py script is updated and there is a new tool
for intel_pstate diagnostics.
Specifics:
- Operating Performance Points (OPP) framework fixes, cleanups and
switch over from RCU-based synchronization to reference counting
using krefs (Viresh Kumar, Wei Yongjun, Dave Gerlach)
- cpufreq core cleanups and documentation updates (Viresh Kumar,
Rafael Wysocki)
- New cpufreq driver for Broadcom BMIPS SoCs (Markus Mayer)
- New cpufreq-dt sub-driver for TI SoCs requiring special handling,
like in the AM335x, AM437x, DRA7x, and AM57x families, along with
new DT bindings for it (Dave Gerlach, Paul Gortmaker)
- ARM64 SoCs support for the qoriq cpufreq driver (Tang Yuantian)
- intel_pstate driver updates including a new sysfs knob to control
the driver's operation mode and fixes related to the no_turbo sysfs
knob and the hardware-managed P-states feature support (Rafael
Wysocki, Srinivas Pandruvada)
- New interface to export ultra-turbo frequencies for the powernv
cpufreq driver (Shilpasri Bhat)
- Assorted fixes for cpufreq drivers (Arnd Bergmann, Dan Carpenter,
Wei Yongjun)
- devfreq core fixes, mostly related to the sysfs interface exported
by it (Chanwoo Choi, Chris Diamand)
- Updates of the exynos-bus and exynos-ppmu devfreq drivers (Chanwoo
Choi)
- Device PM QoS extension to support CPUs and support for per-CPU
wakeup (device resume) latency constraints in the cpuidle menu
governor (Alex Shi)
- Wakeup IRQs framework fixes (Grygorii Strashko)
- Generic power domains framework update including a fix to make it
handle asynchronous invocations of *noirq suspend/resume callbacks
correctly (Ulf Hansson, Geert Uytterhoeven)
- Assorted fixes and cleanups in the core suspend/hibernate code, PM
QoS framework and x86 ACPI idle support code (Corentin Labbe, Geert
Uytterhoeven, Geliang Tang, John Keeping, Nick Desaulniers)
- Update of the analyze_suspend.py script is updated to version 4.5
offering multiple improvements (Todd Brandt)
- New tool for intel_pstate diagnostics using the pstate_sample
tracepoint (Doug Smythies)"
* tag 'pm-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (85 commits)
MAINTAINERS: cpufreq: add bmips-cpufreq.c
PM / QoS: Fix memory leak on resume_latency.notifiers
PM / Documentation: Spelling s/wrtie/write/
PM / sleep: Fix test_suspend after sleep state rework
cpufreq: CPPC: add ACPI_PROCESSOR dependency
cpufreq: make ti-cpufreq explicitly non-modular
cpufreq: Do not clear real_cpus mask on policy init
tools/power/x86: Debug utility for intel_pstate driver
AnalyzeSuspend: fix drag and zoom bug in javascript
PM / wakeirq: report a wakeup_event on dedicated wekup irq
PM / wakeirq: Fix spurious wake-up events for dedicated wakeirqs
PM / wakeirq: Enable dedicated wakeirq for suspend
cpufreq: dt: Don't use generic platdev driver for ti-cpufreq platforms
cpufreq: ti: Add cpufreq driver to determine available OPPs at runtime
Documentation: dt: add bindings for ti-cpufreq
PM / OPP: Expose _of_get_opp_desc_node as dev_pm_opp API
cpufreq: qoriq: Don't look at clock implementation details
cpufreq: qoriq: add ARM64 SoCs support
PM / Domains: Provide dummy governors if CONFIG_PM_GENERIC_DOMAINS=n
cpufreq: brcmstb-avs-cpufreq: remove unnecessary platform_set_drvdata()
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* pm-cpufreq: (28 commits)
MAINTAINERS: cpufreq: add bmips-cpufreq.c
cpufreq: CPPC: add ACPI_PROCESSOR dependency
cpufreq: make ti-cpufreq explicitly non-modular
cpufreq: Do not clear real_cpus mask on policy init
cpufreq: dt: Don't use generic platdev driver for ti-cpufreq platforms
cpufreq: ti: Add cpufreq driver to determine available OPPs at runtime
Documentation: dt: add bindings for ti-cpufreq
cpufreq: qoriq: Don't look at clock implementation details
cpufreq: qoriq: add ARM64 SoCs support
cpufreq: brcmstb-avs-cpufreq: remove unnecessary platform_set_drvdata()
cpufreq: s3c2416: double free on driver init error path
MIPS: BMIPS: enable CPUfreq
cpufreq: bmips-cpufreq: CPUfreq driver for Broadcom's BMIPS SoCs
BMIPS: Enable prerequisites for CPUfreq in MIPS Kconfig.
MIPS: BMIPS: Update defconfig
cpufreq: Fix typos in comments
cpufreq: intel_pstate: Calculate guaranteed performance for HWP
cpufreq: intel_pstate: Make HWP limits compatible with legacy
cpufreq: intel_pstate: Lower frequency than expected under no_turbo
cpufreq: intel_pstate: Operation mode control from sysfs
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acpi_processor_ppc_notifier() can live without using CPUFREQ_START
(which is gonna be removed soon), as it is only used while setting
ignore_ppc to 0. This can be done with the help of "ignore_ppc < 0"
check alone. The notifier function anyway ignores all events except
CPUFREQ_ADJUST and dropping CPUFREQ_START wouldn't harm at all.
Once CPUFREQ_START event is removed from the cpufreq core,
acpi_processor_ppc_notifier() will get called only for CPUFREQ_NOTIFY or
CPUFREQ_ADJUST event. Drop the return statement from the first if block
to make sure we don't ignore any such events.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU UPDATES from Joerg Roedel:
- KVM PCIe/MSI passthrough support on ARM/ARM64
- introduction of a core representation for individual hardware iommus
- support for IOMMU privileged mappings as supported by some ARM IOMMUS
- 16-bit SID support for ARM-SMMUv2
- stream table optimization for ARM-SMMUv3
- various fixes and other small improvements
* tag 'iommu-updates-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (61 commits)
vfio/type1: Fix error return code in vfio_iommu_type1_attach_group()
iommu: Remove iommu_register_instance interface
iommu/exynos: Make use of iommu_device_register interface
iommu/mediatek: Make use of iommu_device_register interface
iommu/msm: Make use of iommu_device_register interface
iommu/arm-smmu: Make use of the iommu_register interface
iommu: Add iommu_device_set_fwnode() interface
iommu: Make iommu_device_link/unlink take a struct iommu_device
iommu: Add sysfs bindings for struct iommu_device
iommu: Introduce new 'struct iommu_device'
iommu: Rename struct iommu_device
iommu: Rename iommu_get_instance()
iommu: Fix static checker warning in iommu_insert_device_resv_regions
iommu: Avoid unnecessary assignment of dev->iommu_fwspec
iommu/mediatek: Remove bogus 'select' statements
iommu/dma: Remove bogus dma_supported() implementation
iommu/ipmmu-vmsa: Restrict IOMMU Domain Geometry to 32-bit address space
iommu/vt-d: Don't over-free page table directories
iommu/vt-d: Tylersburg isoch identity map check is done too late.
iommu/vt-d: Fix some macros that are incorrectly specified in intel-iommu
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Rename the function to iommu_ops_from_fwnode(), because that
is what the function actually does. The new name is much
more descriptive about what the function does.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Ingo Molnar:
"The main changes in this cycle were:
- Assign notifier chain priorities for all RAS related handlers to
make the ordering explicit (Borislav Petkov)
- Improve the AMD MCA banks sysfs output (Yazen Ghannam)
- Various cleanups and restructuring of the x86 RAS code (Borislav
Petkov)"
* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ras, EDAC, acpi: Assign MCE notifier handlers a priority
x86/ras: Get rid of mce_process_work()
EDAC/mce/amd: Dump TSC value
EDAC/mce/amd: Unexport amd_decode_mce()
x86/ras/amd/inj: Change dependency
x86/ras: Flip the TSC-adding logic
x86/ras/amd: Make sysfs names of banks more user-friendly
x86/ras/therm_throt: Do not log a fake MCE for thermal events
x86/ras/inject: Make it depend on X86_LOCAL_APIC=y
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Assign all notifiers on the MCE decode chain a priority so that they get
called in the correct order.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Yazen Ghannam <Yazen.Ghannam@amd.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170123183514.13356-10-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"The main changes in this cycle were:
- Changes to the EFI init code to establish whether secure boot
authentication was performed at boot time. (Josh Boyer, David
Howells)
- Wire up the UEFI memory attributes table for x86. This eliminates
any runtime memory regions that are both writable and executable,
on recent firmware versions. (Sai Praneeth)
- Move the BGRT init code to an earlier stage so that we can still
use efi_mem_reserve(). (Dave Young)
- Preserve debug symbols in the ARM/arm64 UEFI stub (Ard Biesheuvel)
- Code deduplication work and various other cleanups (Lukas Wunner)
- ... plus various other fixes and cleanups"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/libstub: Make file I/O chunking x86-specific
efi: Print the secure boot status in x86 setup_arch()
efi: Disable secure boot if shim is in insecure mode
efi: Get and store the secure boot status
efi: Add SHIM and image security database GUID definitions
arm/efi: Allow invocation of arbitrary runtime services
x86/efi: Allow invocation of arbitrary runtime services
efi/libstub: Preserve .debug sections after absolute relocation check
efi/x86: Add debug code to print cooked memmap
efi/x86: Move the EFI BGRT init code to early init code
efi: Use typed function pointers for the runtime services table
efi/esrt: Fix typo in pr_err() message
x86/efi: Add support for EFI_MEMORY_ATTRIBUTES_TABLE
efi: Introduce the EFI_MEM_ATTR bit and set it from the memory attributes table
efi: Make EFI_MEMORY_ATTRIBUTES_TABLE initialization common across all architectures
x86/efi: Deduplicate efi_char16_printk()
efi: Deduplicate efi_file_size() / _read() / _close()
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Before invoking the arch specific handler, efi_mem_reserve() reserves
the given memory region through memblock.
efi_bgrt_init() will call efi_mem_reserve() after mm_init(), at which
time memblock is dead and should not be used anymore.
The EFI BGRT code depends on ACPI initialization to get the BGRT ACPI
table, so move parsing of the BGRT table to ACPI early boot code to
ensure that efi_mem_reserve() in EFI BGRT code still use memblock safely.
Tested-by: Bhupesh Sharma <bhsharma@redhat.com>
Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-acpi@vger.kernel.org
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1485868902-20401-9-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"This update provides:
- Yet another two irq controller chip drivers
- A few updates and fixes for GICV3
- A resource managed function for interrupt allocation
- Fixes, updates and enhancements all over the place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/qcom: Fix error handling
genirq: Clarify logic calculating bogus irqreturn_t values
genirq/msi: Add stubs for get_cached_msi_msg/pci_write_msi_msg
genirq/devres: Use dev_name(dev) as default for devname
genirq: Fix /proc/interrupts output alignment
irqdesc: Add a resource managed version of irq_alloc_descs()
irqchip/gic-v3-its: Zero command on allocation
irqchip/gic-v3-its: Fix command buffer allocation
irqchip/mips-gic: Fix local interrupts
irqchip: Add a driver for Cortina Gemini
irqchip: DT bindings for Cortina Gemini irqchip
irqchip/gic-v3: Remove duplicate definition of GICD_TYPER_LPIS
irqchip/gic-v3-its: Rename MAPVI to MAPTI
irqchip/gic-v3-its: Drop deprecated GITS_BASER_TYPE_CPU
irqchip/gic-v3-its: Refactor command encoding
irqchip/gic-v3-its: Enable cacheable attribute Read-allocate hints
irqchip/qcom: Add IRQ combiner driver
ACPI: Add support for ResourceSource/IRQ domain mapping
ACPI: Generic GSI: Do not attempt to map non-GSI IRQs during bus scan
irq/platform-msi: Fix comment about maximal MSIs
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ACPI extended IRQ resources may contain a ResourceSource to specify
an alternate interrupt controller. Introduce acpi_irq_get and use it
to implement ResourceSource/IRQ domain mapping.
The new API is similar to of_irq_get and allows re-initialization
of a platform resource from the ACPI extended IRQ resource, and
provides proper behavior for probe deferral when the domain is not
yet present when called.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Agustin Vega-Frias <agustinv@codeaurora.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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ACPI extended IRQ resources may contain a Resource Source field to specify
an alternate interrupt controller, attempting to map them as GSIs is
incorrect, so just disable the platform resource.
Since this field is currently ignored, we make this change conditional
on CONFIG_ACPI_GENERIC_GSI to keep the current behavior on x86 platforms,
in case some existing ACPI tables are using this incorrectly.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Agustin Vega-Frias <agustinv@codeaurora.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"None of these are showstoppers for 4.10 and could wait for 4.11 merge
window, but they are low enough risk for this late in the cycle and
the fixes have waiting users . They have received a build success
notification from the 0day robot, pass the latest ndctl unit tests,
and appeared in next:
- Fix a crash that can result when SIGINT is sent to a process that
is awaiting completion of an address range scrub command. We were
not properly cleaning up the workqueue after
wait_event_interruptible().
- Fix a memory hotplug failure condition that results from not
reserving enough space out of persistent memory for the memmap. By
default we align to 2M allocations that the memory hotplug code
assumes, but if the administrator specifies a non-default
4K-alignment then we can fail to correctly size the reservation.
- A one line fix to improve the predictability of libnvdimm block
device names. A common operation is to reconfigure /dev/pmem0 into
a different mode. For example, a reconfiguration might set a new
mode that reserves some of the capacity for a struct page memmap
array. It surprises users if the device name changes to
"/dev/pmem0.1" after the mode change and then back to /dev/pmem0
after a reboot.
- Add 'const' to some function pointer tables"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm, pfn: fix memmap reservation size versus 4K alignment
acpi, nfit: fix acpi_nfit_flush_probe() crash
libnvdimm, namespace: do not delete namespace-id 0
nvdimm: constify device_type structures
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We queue an on-stack work item to 'nfit_wq' and wait for it to complete
as part of a 'flush_probe' request. However, if the user cancels the
wait we need to make sure the item is flushed from the queue otherwise
we are leaving an out-of-scope stack address on the work list.
BUG: unable to handle kernel paging request at ffffbcb3c72f7cd0
IP: [<ffffffffa9413a7b>] __list_add+0x1b/0xb0
[..]
RIP: 0010:[<ffffffffa9413a7b>] [<ffffffffa9413a7b>] __list_add+0x1b/0xb0
RSP: 0018:ffffbcb3c7ba7c00 EFLAGS: 00010046
[..]
Call Trace:
[<ffffffffa90bb11a>] insert_work+0x3a/0xc0
[<ffffffffa927fdda>] ? seq_open+0x5a/0xa0
[<ffffffffa90bb30a>] __queue_work+0x16a/0x460
[<ffffffffa90bbb08>] queue_work_on+0x38/0x40
[<ffffffffc0cf2685>] acpi_nfit_flush_probe+0x95/0xc0 [nfit]
[<ffffffffc0cf25d0>] ? nfit_visible+0x40/0x40 [nfit]
[<ffffffffa9571495>] wait_probe_show+0x25/0x60
[<ffffffffa9546b30>] dev_attr_show+0x20/0x50
Fixes: 7ae0fa439faf ("nfit, libnvdimm: async region scrub workqueue")
Cc: <stable@vger.kernel.org>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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