forked from Minki/linux
9383bbadfe
6679 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Srinivas Pandruvada
|
9383bbadfe |
ACPI / LPIT: Export lpit_read_residency_count_address()
Export lpit_read_residency_count_address(), so that it can be used from drivers built as module. With the recent changes, the builtin_pci functionality of the intel_pmc_core driver is removed and now it can be built as a module to read this exported interface to calculate the PMC base address. Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Len Brown <lenb@kernel.org> Cc: linux-acpi@vger.kernel.org Acked-by: Rafael J. Wysocki <rafael@kernel.org> Tested-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
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Linus Torvalds
|
190b10367b |
ACPI fix for v4.15-rc1
This fixes a possible memory leak in an error code path in one of the utility routines (Xiongfeng Wang). -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJaDvCzAAoJEILEb/54YlRxgxkP/1b99cXWA8FRuHaAdoieCYuZ XSV1zWwMwsJzgR68x27xyDpAE5KJpJ4fZCNiNODCjQwlE2lRMMIp5+O+Dy/k7LLM pqEuUTVCOKNKHmONdiCJKXgCKCXmNU0ACVQyBkEZ1J5DGTnLnwvU2fqSVWA4NCkU /7YG8/iWPtoKyxFQkMhm8g6zeP8b2tM91EoQdsBa8e1l/+kT4H/ZfXHWX8ep8JcM KcNwcjdHLNZjSmzVm47kCSZKwKhF22E59Dsoy5LQk7TDdo193RX5mGQ4G0DMb1uT V2o4K5f+dHVNrTPmcL8P6yxKorxCGTBymhQy0EixKm6U8mMLNYVVuufdWYtqtYJX 0ARYqrhqflXnhFYrvjGDEVd119HLYw4A5xFE7PylDJgoWVPKw7tDvZm7UlgHVOjm zQ7KMrRSbGVrxsOB2UhTUXUZwYMvg17UV3o+LzeY5rqkwb+USpLyCHOIxsm781vw ZgdhzFcf8cqa/yLX/9q4vxHocqDpQZ6hS6gUoCkvGkflFKsb0Ozlb5Ow6hhk3xOx sGEtCBVXne6HfLoaEnaADjqlXIVnZjiRZOVMP9zII/JkAp8ImSqjsVlStVNI56PY iro4dTvZygftm457RLsGIi6GYVphthiLVWhau0WC8rSka/85PLBqCcdQVBlenGWW Ka4tUGK671GQFC1vaN/f =Qli/ -----END PGP SIGNATURE----- Merge tag 'acpi-fix-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "This fixes a possible memory leak in an error code path in one of the utility routines (Xiongfeng Wang)" * tag 'acpi-fix-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / utils: Fix memory leak in acpi_evaluate_reference() error path |
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Linus Torvalds
|
a3841f94c7 |
libnvdimm for 4.15
* Introduce MAP_SYNC and MAP_SHARED_VALIDATE, a mechanism to enable
'userspace flush' of persistent memory updates via filesystem-dax
mappings. It arranges for any filesystem metadata updates that may be
required to satisfy a write fault to also be flushed ("on disk") before
the kernel returns to userspace from the fault handler. Effectively
every write-fault that dirties metadata completes an fsync() before
returning from the fault handler. The new MAP_SHARED_VALIDATE mapping
type guarantees that the MAP_SYNC flag is validated as supported by the
filesystem's ->mmap() file operation.
* Add support for the standard ACPI 6.2 label access methods that
replace the NVDIMM_FAMILY_INTEL (vendor specific) label methods. This
enables interoperability with environments that only implement the
standardized methods.
* Add support for the ACPI 6.2 NVDIMM media error injection methods.
* Add support for the NVDIMM_FAMILY_INTEL v1.6 DIMM commands for latch
last shutdown status, firmware update, SMART error injection, and
SMART alarm threshold control.
* Cleanup physical address information disclosures to be root-only.
* Fix revalidation of the DIMM "locked label area" status to support
dynamic unlock of the label area.
* Expand unit test infrastructure to mock the ACPI 6.2 Translate SPA
(system-physical-address) command and error injection commands.
Acknowledgements that came after the commits were pushed to -next:
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Linus Torvalds
|
d3092e4e99 |
- New Drivers
- Add support for Cherry Trail Dollar Cove TI PMIC
- Add support for Add Spreadtrum SC27xx series PMICs
- New Device Support
- Add support Regulator to axp20x
- New Functionality
- Add DT support; aspeed-scu sc27xx-pmic
- Add power saving support; rts5249
- Fix-ups
- DT clean-up/rework; tps65217, max77693, iproc-cdru, iproc-mhb, tps65218
- Staticise/constify; stw481x
- Use new succinct IRQ API; fsl-imx25-tsadc
- Kconfig fix-ups; MFD_TPS65218
- Identify SPI method; lpc_ich
- Use managed resources (devm_*) calls; ssbi
- Remove unused/obsolete code/documentation; mc13xxx
- Bug Fixes
- Fix typo in MAINTAINERS
- Fix error handling; mxs-lradc
- Clean-up IRQs on .remove; fsl-imx25-tsadc
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Merge tag 'mfd-next-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New drivers:
- Add support for Cherry Trail Dollar Cove TI PMIC
- Add support for Add Spreadtrum SC27xx series PMICs
New device support:
- Add support Regulator to axp20x
New functionality:
- Add DT support; aspeed-scu sc27xx-pmic
- Add power saving support; rts5249
Fix-ups:
- DT clean-up/rework; tps65217, max77693, iproc-cdru, iproc-mhb, tps65218
- Staticise/constify; stw481x
- Use new succinct IRQ API; fsl-imx25-tsadc
- Kconfig fix-ups; MFD_TPS65218
- Identify SPI method; lpc_ich
- Use managed resources (devm_*) calls; ssbi
- Remove unused/obsolete code/documentation; mc13xxx
Bug fixes:
- Fix typo in MAINTAINERS
- Fix error handling; mxs-lradc
- Clean-up IRQs on .remove; fsl-imx25-tsadc"
* tag 'mfd-next-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (21 commits)
dt-bindings: mfd: mc13xxx: Remove obsolete property
mfd: axp20x: Add axp20x-regulator cell for AXP813
mfd: Add Spreadtrum SC27xx series PMICs driver
dt-bindings: mfd: Add Spreadtrum SC27xx PMIC documentation
mfd: ssbi: Use devm_of_platform_populate()
mfd: fsl-imx25: Clean up irq settings during removal
mfd: mxs-lradc: Fix error handling in mxs_lradc_probe()
mfd: lpc_ich: Avoton/Rangeley uses SPI_BYT method
mfd: tps65218: Introduce dependency on CONFIG_OF
mfd: tps65218: Correct the config description
MAINTAINERS: Fix Dialog search term for watchdog binding file
mfd: fsl-imx25: Set irq handler and data in one go
mfd: rts5249: Add support for RTS5250S power saving
ACPI / PMIC: Add opregion driver for Intel Dollar Cove TI PMIC
mfd: Add support for Cherry Trail Dollar Cove TI PMIC
syscon: dt-bindings: Add binding document for iProc MHB block
syscon: dt-bindings: Add binding doc for Broadcom iProc CDRU
mfd: max77693: Add muic of_compatible in mfd_cell
mfd: stw481x: Make three arrays static const, reduces object code size
mfd: tps65217: Introduce dependency on CONFIG_OF
...
|
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Dan Williams
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4247f24c23 | Merge branch 'for-4.15/dax' into libnvdimm-for-next | ||
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Dan Williams
|
79ab67ede2 |
acpi, nfit: add 'Enable Latch System Shutdown Status' command support
The NVDIMM_FAMILY_INTEL 'Enable Latch System Shutdown Status' command indicates to the platform that system software has acknowledged the most recent unsafe shutdown status. Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Linus Torvalds
|
1be2172e96 |
Modules updates for v4.15
Summary of modules changes for the 4.15 merge window:
- Treewide module_param_call() cleanup, fix up set/get function
prototype mismatches, from Kees Cook
- Minor code cleanups
Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull module updates from Jessica Yu:
"Summary of modules changes for the 4.15 merge window:
- treewide module_param_call() cleanup, fix up set/get function
prototype mismatches, from Kees Cook
- minor code cleanups"
* tag 'modules-for-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
module: Do not paper over type mismatches in module_param_call()
treewide: Fix function prototypes for module_param_call()
module: Prepare to convert all module_param_call() prototypes
kernel/module: Delete an error message for a failed memory allocation in add_module_usage()
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Linus Torvalds
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c9b012e5f4 |
arm64 updates for 4.15
Plenty of acronym soup here:
- Initial support for the Scalable Vector Extension (SVE)
- Improved handling for SError interrupts (required to handle RAS events)
- Enable GCC support for 128-bit integer types
- Remove kernel text addresses from backtraces and register dumps
- Use of WFE to implement long delay()s
- ACPI IORT updates from Lorenzo Pieralisi
- Perf PMU driver for the Statistical Profiling Extension (SPE)
- Perf PMU driver for Hisilicon's system PMUs
- Misc cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"The big highlight is support for the Scalable Vector Extension (SVE)
which required extensive ABI work to ensure we don't break existing
applications by blowing away their signal stack with the rather large
new vector context (<= 2 kbit per vector register). There's further
work to be done optimising things like exception return, but the ABI
is solid now.
Much of the line count comes from some new PMU drivers we have, but
they're pretty self-contained and I suspect we'll have more of them in
future.
Plenty of acronym soup here:
- initial support for the Scalable Vector Extension (SVE)
- improved handling for SError interrupts (required to handle RAS
events)
- enable GCC support for 128-bit integer types
- remove kernel text addresses from backtraces and register dumps
- use of WFE to implement long delay()s
- ACPI IORT updates from Lorenzo Pieralisi
- perf PMU driver for the Statistical Profiling Extension (SPE)
- perf PMU driver for Hisilicon's system PMUs
- misc cleanups and non-critical fixes"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (97 commits)
arm64: Make ARMV8_DEPRECATED depend on SYSCTL
arm64: Implement __lshrti3 library function
arm64: support __int128 on gcc 5+
arm64/sve: Add documentation
arm64/sve: Detect SVE and activate runtime support
arm64/sve: KVM: Hide SVE from CPU features exposed to guests
arm64/sve: KVM: Treat guest SVE use as undefined instruction execution
arm64/sve: KVM: Prevent guests from using SVE
arm64/sve: Add sysctl to set the default vector length for new processes
arm64/sve: Add prctl controls for userspace vector length management
arm64/sve: ptrace and ELF coredump support
arm64/sve: Preserve SVE registers around EFI runtime service calls
arm64/sve: Preserve SVE registers around kernel-mode NEON use
arm64/sve: Probe SVE capabilities and usable vector lengths
arm64: cpufeature: Move sys_caps_initialised declarations
arm64/sve: Backend logic for setting the vector length
arm64/sve: Signal handling support
arm64/sve: Support vector length resetting for new processes
arm64/sve: Core task context handling
arm64/sve: Low-level CPU setup
...
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Linus Torvalds
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4008e6a9bc |
Merge branch 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"This contains two bigger than usual tree-wide changes this time. They
all have proper acks, caused no merge conflicts in linux-next where
they have been for a while. They are namely:
- to-gpiod conversion of the i2c-gpio driver and its users (touching
arch/* and drivers/mfd/*)
- adding a sbs-manager based on I2C core updates to SMBus alerts
(touching drivers/power/*)
Other notable changes:
- i2c_boardinfo can now carry a dev_name to be used when the device
is created. This is because some devices in ACPI world need fixed
names to find the regulators.
- the designware driver got a long discussed overhaul of its PM
handling. img-scb and davinci got PM support, too.
- at24 driver has way better OF support. And it has a new maintainer.
Thanks Bartosz for stepping up!
The rest is regular driver updates and fixes"
* 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (55 commits)
ARM: sa1100: simpad: Correct I2C GPIO offsets
i2c: aspeed: Deassert reset in probe
eeprom: at24: Add OF device ID table
MAINTAINERS: new maintainer for AT24 driver
i2c: nuc900: remove platform_data, too
i2c: thunderx: Remove duplicate NULL check
i2c: taos-evm: Remove duplicate NULL check
i2c: Make i2c_unregister_device() NULL-aware
i2c: xgene-slimpro: Support v2
i2c: mpc: remove useless variable initialization
i2c: omap: Trigger bus recovery in lockup case
i2c: gpio: Add support for named gpios in DT
dt-bindings: i2c: i2c-gpio: Add support for named gpios
i2c: gpio: Local vars in probe
i2c: gpio: Augment all boardfiles to use open drain
i2c: gpio: Enforce open drain through gpiolib
gpio: Make it possible for consumers to enforce open drain
i2c: gpio: Convert to use descriptors
power: supply: sbs-message: fix some code style issues
power: supply: sbs-battery: remove unchecked return var
...
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Linus Torvalds
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abc36be236 |
A couple of configfs cleanups:
- proper use of the bool type (Thomas Meyer) - constification of struct config_item_type (Bhumika Goyal) -----BEGIN PGP SIGNATURE----- iQI/BAABCAApFiEEgdbnc3r/njty3Iq9D55TZVIEUYMFAloLSTALHGhjaEBsc3Qu ZGUACgkQD55TZVIEUYNxfhAAv3cunxiEPEAvs+1xuGd3cZYaxz7qinvIODPxIKoF kRWiuy5PUklRMnJ8seOgJ1p1QokX6Sk4cZ8HcctDJVByqODjOq4K5eaKVN1ZqJoz BUzO/gOqfs64r9yaFIlKfe8nFA+gpUftSeWyv3lThxAIJ1iSbue7OZ/A10tTOS1m RWp9FPepFv+nJMfWqeQU64BsoDQ4kgZ2NcEA+jFxNx5dlmIbLD49tk0lfddvZQXr j5WyAH73iugilLtNUGVOqSzHBY4kUvfCKUV7leirCegyMoGhFtA87m6Wzwbo6ZUI DwQLzWvuPaGv1P2PpNEHfKiNbfIEp75DRyyyf87DD3lc5ffAxQSm28mGuwcr7Rn5 Ow/yWL6ERMzCLExoCzEkXYJISy7T5LIzYDgNggKMpeWxysAduF7Onx7KfW1bTuhK mHvY7iOXCjEvaIVaF8uMKE6zvuY1vCMRXaJ+kC9jcIE3gwhg+2hmQvrdJ2uAFXY+ rkeF2Poj/JlblPU4IKWAjiPUbzB7Lv0gkypCB2pD4riaYIN5qCAgF8ULIGQp2hsO lYW1EEgp5FBop85oSO/HAGWeH9dFg0WaV7WqNRVv0AGXhKjgy+bVd7iYPpvs7mGw z9IqSQDORcG2ETLcFhZgiJpCk/itwqXBD+wgMOjJPP8lL+4kZ8FcuhtY9kc9WlJE Tew= =+tMO -----END PGP SIGNATURE----- Merge tag 'configfs-for-4.15' of git://git.infradead.org/users/hch/configfs Pull configfs updates from Christoph Hellwig: "A couple of configfs cleanups: - proper use of the bool type (Thomas Meyer) - constification of struct config_item_type (Bhumika Goyal)" * tag 'configfs-for-4.15' of git://git.infradead.org/users/hch/configfs: RDMA/cma: make config_item_type const stm class: make config_item_type const ACPI: configfs: make config_item_type const nvmet: make config_item_type const usb: gadget: configfs: make config_item_type const PCI: endpoint: make config_item_type const iio: make function argument and some structures const usb: gadget: make config_item_type structures const dlm: make config_item_type const netconsole: make config_item_type const nullb: make config_item_type const ocfs2/cluster: make config_item_type const target: make config_item_type const configfs: make ci_type field, some pointers and function arguments const configfs: make config_item_type const configfs: Fix bool initialization/comparison |
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Xiongfeng Wang
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09e1508693 |
ACPI / utils: Fix memory leak in acpi_evaluate_reference() error path
When package.count is larger than ACPI_MAX_HANDLES, buffer.pointer is not freed before the function returns AE_NO_MEMORY. Fix this possible memory leak by kfree'ing it. Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Linus Torvalds
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fb0255fb29 |
TTY/Serial patches for 4.15-rc1
Here is the big tty/serial driver pull request for 4.15-rc1.
Lots of serial driver updates in here, some small vt cleanups, and a
raft of SPDX and license boilerplate cleanups, messing up the diffstat a
bit.
Nothing major, with no realy functional changes except better hardware
support for some platforms.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the big tty/serial driver pull request for 4.15-rc1.
Lots of serial driver updates in here, some small vt cleanups, and a
raft of SPDX and license boilerplate cleanups, messing up the diffstat
a bit.
Nothing major, with no realy functional changes except better hardware
support for some platforms.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (110 commits)
tty: ehv_bytechan: fix spelling mistake
tty: serial: meson: allow baud-rates lower than 9600
serial: 8250_fintek: Fix crash with baud rate B0
serial: 8250_fintek: Disable delays for ports != 0
serial: 8250_fintek: Return -EINVAL on invalid configuration
tty: Remove redundant license text
tty: serdev: Remove redundant license text
tty: hvc: Remove redundant license text
tty: serial: Remove redundant license text
tty: add SPDX identifiers to all remaining files in drivers/tty/
tty: serial: jsm: remove redundant pointer ts
tty: serial: jsm: add space before the open parenthesis '('
tty: serial: jsm: fix coding style
tty: serial: jsm: delete space between function name and '('
tty: serial: jsm: add blank line after declarations
tty: serial: jsm: change the type of local variable
tty: serial: imx: remove dead code imx_dma_rxint
tty: serial: imx: disable ageing timer interrupt if dma in use
serial: 8250: fix potential deadlock in rs485-mode
serial: m32r_sio: Drop redundant .data assignment
...
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Linus Torvalds
|
04ed510988 |
ACPI updates for v4.15-rc1
- Update the ACPICA code to upstream revision 20170831 including
* PDTT table header support (Bob Moore).
* Cleanup and extension of internal string-to-integer conversion
functions (Bob Moore).
* Support for 64-bit hardware accesses (Lv Zheng).
* ACPI PM Timer code adjustment to deal with 64-bit return values
of acpi_hw_read() (Bob Moore).
* Support for deferred table verification in acpiexec (Lv Zheng).
- Fix APEI to use the fixmap instead of ioremap_page_range() which
cannot work correctly the way the code in there attempted to use
it and drop some code that's not necessary any more after that
change (James Morse).
- Clean up the APEI support code and make it use 64-bit timestamps
(Arnd Bergmann, Dongjiu Geng, Jan Beulich).
- Add operation region driver for TI PMIC TPS68470 (Rajmohan Mani).
- Add support for PCC subspace IDs to the ACPI CPPC driver (George
Cherian).
- Fix an ACPI EC driver regression related to the handling of EC
events during the "noirq" phases of system suspend/resume (Lv
Zheng).
- Delay the initialization of the lid state in the ACPI button
driver to fix issues appearing on some systems (Hans de Goede).
- Extend the KIOX000A "device always present" quirk to cover all
affected BIOS versions (Hans de Goede).
- Clean up some code in the ACPI core and drivers (Colin Ian King,
Gustavo Silva).
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Merge tag 'acpi-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update ACPICA to upstream revision 20170831, fix APEI to use the
fixmap instead of ioremap_page_range(), add an operation region driver
for TI PMIC TPS68470, add support for PCC subspace IDs to the ACPI
CPPC driver, fix a few assorted issues and clean up some code.
Specifics:
- Update the ACPICA code to upstream revision 20170831 including
* PDTT table header support (Bob Moore).
* Cleanup and extension of internal string-to-integer conversion
functions (Bob Moore).
* Support for 64-bit hardware accesses (Lv Zheng).
* ACPI PM Timer code adjustment to deal with 64-bit return values
of acpi_hw_read() (Bob Moore).
* Support for deferred table verification in acpiexec (Lv Zheng).
- Fix APEI to use the fixmap instead of ioremap_page_range() which
cannot work correctly the way the code in there attempted to use it
and drop some code that's not necessary any more after that change
(James Morse).
- Clean up the APEI support code and make it use 64-bit timestamps
(Arnd Bergmann, Dongjiu Geng, Jan Beulich).
- Add operation region driver for TI PMIC TPS68470 (Rajmohan Mani).
- Add support for PCC subspace IDs to the ACPI CPPC driver (George
Cherian).
- Fix an ACPI EC driver regression related to the handling of EC
events during the "noirq" phases of system suspend/resume (Lv
Zheng).
- Delay the initialization of the lid state in the ACPI button driver
to fix issues appearing on some systems (Hans de Goede).
- Extend the KIOX000A "device always present" quirk to cover all
affected BIOS versions (Hans de Goede).
- Clean up some code in the ACPI core and drivers (Colin Ian King,
Gustavo Silva)"
* tag 'acpi-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (24 commits)
ACPI: Mark expected switch fall-throughs
ACPI / LPSS: Remove redundant initialization of clk
ACPI / CPPC: Make CPPC ACPI driver aware of PCC subspace IDs
mailbox: PCC: Move the MAX_PCC_SUBSPACES definition to header file
ACPI / sysfs: Make function param_set_trace_method_name() static
ACPI / button: Delay acpi_lid_initialize_state() until first user space open
ACPI / EC: Fix regression related to triggering source of EC event handling
APEI / ERST: use 64-bit timestamps
ACPI / APEI: Remove arch_apei_flush_tlb_one()
arm64: mm: Remove arch_apei_flush_tlb_one()
ACPI / APEI: Remove ghes_ioremap_area
ACPI / APEI: Replace ioremap_page_range() with fixmap
ACPI / APEI: remove the unused dead-code for SEA/NMI notification type
ACPI / x86: Extend KIOX000A quirk to cover all affected BIOS versions
ACPI / APEI: adjust a local variable type in ghes_ioremap_pfn_irq()
ACPICA: Update version to 20170831
ACPICA: Update acpi_get_timer for 64-bit interface to acpi_hw_read
ACPICA: String conversions: Update to add new behaviors
ACPICA: String conversions: Cleanup/format comments. No functional changes
ACPICA: Restructure/cleanup all string-to-integer conversion functions
...
|
||
|
Linus Torvalds
|
bd2cd7d5a8 |
Power management updates for v4.15-rc1
- Relocate the OPP (Operating Performance Points) framework to its
own directory under drivers/ and add support for power domain
performance states to it (Viresh Kumar).
- Modify the PM core, the PCI bus type and the ACPI PM domain to
support power management driver flags allowing device drivers to
specify their capabilities and preferences regarding the handling
of devices with enabled runtime PM during system suspend/resume
and clean up that code somewhat (Rafael Wysocki, Ulf Hansson).
- Add frequency-invariant accounting support to the task scheduler
on ARM and ARM64 (Dietmar Eggemann).
- Fix PM QoS device resume latency framework to prevent "no
restriction" requests from overriding requests with specific
requirements and drop the confusing PM_QOS_FLAG_REMOTE_WAKEUP
device PM QoS flag (Rafael Wysocki).
- Drop legacy class suspend/resume operations from the PM core
and drop legacy bus type suspend and resume callbacks from
ARM/locomo (Rafael Wysocki).
- Add min/max frequency support to devfreq and clean it up
somewhat (Chanwoo Choi).
- Rework wakeup support in the generic power domains (genpd)
framework and update some of its users accordingly (Geert
Uytterhoeven).
- Convert timers in the PM core to use timer_setup() (Kees Cook).
- Add support for exposing the SLP_S0 (Low Power S0 Idle)
residency counter based on the LPIT ACPI table on Intel
platforms (Srinivas Pandruvada).
- Add per-CPU PM QoS resume latency support to the ladder cpuidle
governor (Ramesh Thomas).
- Fix a deadlock between the wakeup notify handler and the
notifier removal in the ACPI core (Ville Syrjälä).
- Fix a cpufreq schedutil governor issue causing it to use
stale cached frequency values sometimes (Viresh Kumar).
- Fix an issue in the system suspend core support code causing
wakeup events detection to fail in some cases (Rajat Jain).
- Fix the generic power domains (genpd) framework to prevent
the PM core from using the direct-complete optimization with
it as that is guaranteed to fail (Ulf Hansson).
- Fix a minor issue in the cpuidle core and clean it up a bit
(Gaurav Jindal, Nicholas Piggin).
- Fix and clean up the intel_idle and ARM cpuidle drivers (Jason
Baron, Len Brown, Leo Yan).
- Fix a couple of minor issues in the OPP framework and clean it
up (Arvind Yadav, Fabio Estevam, Sudeep Holla, Tobias Jordan).
- Fix and clean up some cpufreq drivers and fix a minor issue in
the cpufreq statistics code (Arvind Yadav, Bhumika Goyal, Fabio
Estevam, Gautham Shenoy, Gustavo Silva, Marek Szyprowski, Masahiro
Yamada, Robert Jarzmik, Zumeng Chen).
- Fix minor issues in the system suspend and hibernation core, in
power management documentation and in the AVS (Adaptive Voltage
Scaling) framework (Helge Deller, Himanshu Jha, Joe Perches,
Rafael Wysocki).
- Fix some issues in the cpupower utility and document that Shuah
Khan is going to maintain it going forward (Prarit Bhargava,
Shuah Khan).
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Merge tag 'pm-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"There are no real big ticket items here this time.
The most noticeable change is probably the relocation of the OPP
(Operating Performance Points) framework to its own directory under
drivers/ as it has grown big enough for that. Also Viresh is now going
to maintain it and send pull requests for it to me, so you will see
this change in the git history going forward (but still not right
now).
Another noticeable set of changes is the modifications of the PM core,
the PCI subsystem and the ACPI PM domain to allow of more integration
between system-wide suspend/resume and runtime PM. For now it's just a
way to avoid resuming devices from runtime suspend unnecessarily
during system suspend (if the driver sets a flag to indicate its
readiness for that) and in the works is an analogous mechanism to
allow devices to stay suspended after system resume.
In addition to that, we have some changes related to supporting
frequency-invariant CPU utilization metrics in the scheduler and in
the schedutil cpufreq governor on ARM and changes to add support for
device performance states to the generic power domains (genpd)
framework.
The rest is mostly fixes and cleanups of various sorts.
Specifics:
- Relocate the OPP (Operating Performance Points) framework to its
own directory under drivers/ and add support for power domain
performance states to it (Viresh Kumar).
- Modify the PM core, the PCI bus type and the ACPI PM domain to
support power management driver flags allowing device drivers to
specify their capabilities and preferences regarding the handling
of devices with enabled runtime PM during system suspend/resume and
clean up that code somewhat (Rafael Wysocki, Ulf Hansson).
- Add frequency-invariant accounting support to the task scheduler on
ARM and ARM64 (Dietmar Eggemann).
- Fix PM QoS device resume latency framework to prevent "no
restriction" requests from overriding requests with specific
requirements and drop the confusing PM_QOS_FLAG_REMOTE_WAKEUP
device PM QoS flag (Rafael Wysocki).
- Drop legacy class suspend/resume operations from the PM core and
drop legacy bus type suspend and resume callbacks from ARM/locomo
(Rafael Wysocki).
- Add min/max frequency support to devfreq and clean it up somewhat
(Chanwoo Choi).
- Rework wakeup support in the generic power domains (genpd)
framework and update some of its users accordingly (Geert
Uytterhoeven).
- Convert timers in the PM core to use timer_setup() (Kees Cook).
- Add support for exposing the SLP_S0 (Low Power S0 Idle) residency
counter based on the LPIT ACPI table on Intel platforms (Srinivas
Pandruvada).
- Add per-CPU PM QoS resume latency support to the ladder cpuidle
governor (Ramesh Thomas).
- Fix a deadlock between the wakeup notify handler and the notifier
removal in the ACPI core (Ville Syrjälä).
- Fix a cpufreq schedutil governor issue causing it to use stale
cached frequency values sometimes (Viresh Kumar).
- Fix an issue in the system suspend core support code causing wakeup
events detection to fail in some cases (Rajat Jain).
- Fix the generic power domains (genpd) framework to prevent the PM
core from using the direct-complete optimization with it as that is
guaranteed to fail (Ulf Hansson).
- Fix a minor issue in the cpuidle core and clean it up a bit (Gaurav
Jindal, Nicholas Piggin).
- Fix and clean up the intel_idle and ARM cpuidle drivers (Jason
Baron, Len Brown, Leo Yan).
- Fix a couple of minor issues in the OPP framework and clean it up
(Arvind Yadav, Fabio Estevam, Sudeep Holla, Tobias Jordan).
- Fix and clean up some cpufreq drivers and fix a minor issue in the
cpufreq statistics code (Arvind Yadav, Bhumika Goyal, Fabio
Estevam, Gautham Shenoy, Gustavo Silva, Marek Szyprowski, Masahiro
Yamada, Robert Jarzmik, Zumeng Chen).
- Fix minor issues in the system suspend and hibernation core, in
power management documentation and in the AVS (Adaptive Voltage
Scaling) framework (Helge Deller, Himanshu Jha, Joe Perches, Rafael
Wysocki).
- Fix some issues in the cpupower utility and document that Shuah
Khan is going to maintain it going forward (Prarit Bhargava, Shuah
Khan)"
* tag 'pm-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (88 commits)
tools/power/cpupower: add libcpupower.so.0.0.1 to .gitignore
tools/power/cpupower: Add 64 bit library detection
intel_idle: Graceful probe failure when MWAIT is disabled
cpufreq: schedutil: Reset cached_raw_freq when not in sync with next_freq
freezer: Fix typo in freezable_schedule_timeout() comment
PM / s2idle: Clear the events_check_enabled flag
cpufreq: stats: Handle the case when trans_table goes beyond PAGE_SIZE
cpufreq: arm_big_little: make cpufreq_arm_bL_ops structures const
cpufreq: arm_big_little: make function arguments and structure pointer const
cpuidle: Avoid assignment in if () argument
cpuidle: Clean up cpuidle_enable_device() error handling a bit
ACPI / PM: Fix acpi_pm_notifier_lock vs flush_workqueue() deadlock
PM / Domains: Fix genpd to deal with drivers returning 1 from ->prepare()
cpuidle: ladder: Add per CPU PM QoS resume latency support
PM / QoS: Fix device resume latency framework
PM / domains: Rework governor code to be more consistent
PM / Domains: Remove gpd_dev_ops.active_wakeup() callback
soc: rockchip: power-domain: Use GENPD_FLAG_ACTIVE_WAKEUP
soc: mediatek: Use GENPD_FLAG_ACTIVE_WAKEUP
ARM: shmobile: pm-rmobile: Use GENPD_FLAG_ACTIVE_WAKEUP
...
|
||
|
Linus Torvalds
|
2bcc673101 |
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Yet another big pile of changes:
- More year 2038 work from Arnd slowly reaching the point where we
need to think about the syscalls themself.
- A new timer function which allows to conditionally (re)arm a timer
only when it's either not running or the new expiry time is sooner
than the armed expiry time. This allows to use a single timer for
multiple timeout requirements w/o caring about the first expiry
time at the call site.
- A new NMI safe accessor to clock real time for the printk timestamp
work. Can be used by tracing, perf as well if required.
- A large number of timer setup conversions from Kees which got
collected here because either maintainers requested so or they
simply got ignored. As Kees pointed out already there are a few
trivial merge conflicts and some redundant commits which was
unavoidable due to the size of this conversion effort.
- Avoid a redundant iteration in the timer wheel softirq processing.
- Provide a mechanism to treat RTC implementations depending on their
hardware properties, i.e. don't inflict the write at the 0.5
seconds boundary which originates from the PC CMOS RTC to all RTCs.
No functional change as drivers need to be updated separately.
- The usual small updates to core code clocksource drivers. Nothing
really exciting"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (111 commits)
timers: Add a function to start/reduce a timer
pstore: Use ktime_get_real_fast_ns() instead of __getnstimeofday()
timer: Prepare to change all DEFINE_TIMER() callbacks
netfilter: ipvs: Convert timers to use timer_setup()
scsi: qla2xxx: Convert timers to use timer_setup()
block/aoe: discover_timer: Convert timers to use timer_setup()
ide: Convert timers to use timer_setup()
drbd: Convert timers to use timer_setup()
mailbox: Convert timers to use timer_setup()
crypto: Convert timers to use timer_setup()
drivers/pcmcia: omap1: Fix error in automated timer conversion
ARM: footbridge: Fix typo in timer conversion
drivers/sgi-xp: Convert timers to use timer_setup()
drivers/pcmcia: Convert timers to use timer_setup()
drivers/memstick: Convert timers to use timer_setup()
drivers/macintosh: Convert timers to use timer_setup()
hwrng/xgene-rng: Convert timers to use timer_setup()
auxdisplay: Convert timers to use timer_setup()
sparc/led: Convert timers to use timer_setup()
mips: ip22/32: Convert timers to use timer_setup()
...
|
||
Rafael J. Wysocki
|
1efef68262 |
Merge branch 'pm-core'
* pm-core: ACPI / PM: Take SMART_SUSPEND driver flag into account PCI / PM: Take SMART_SUSPEND driver flag into account PCI / PM: Drop unnecessary invocations of pcibios_pm_ops callbacks PM / core: Add SMART_SUSPEND driver flag PCI / PM: Use the NEVER_SKIP driver flag PM / core: Add NEVER_SKIP and SMART_PREPARE driver flags PM / core: Convert timers to use timer_setup() PM / core: Fix kerneldoc comments of four functions PM / core: Drop legacy class suspend/resume operations |
||
|
Rafael J. Wysocki
|
794c33555f |
Merge branch 'acpi-pm'
* acpi-pm: ACPI / PM: Fix acpi_pm_notifier_lock vs flush_workqueue() deadlock ACPI / LPSS: Consolidate runtime PM and system sleep handling ACPI / PM: Combine device suspend routines ACPI / LPIT: Add Low Power Idle Table (LPIT) support ACPI / PM: Split code validating need for runtime resume in ->prepare() ACPI / PM: Restore acpi_subsys_complete() ACPI / PM: Combine two identical device resume routines ACPI / PM: Remove stale function header |
||
|
Rafael J. Wysocki
|
eb5fcc3134 |
Merge branches 'acpi-ec', 'acpi-button', 'acpi-sysfs', 'acpi-lpss' and 'acpi-cppc'
* acpi-ec: ACPI / EC: Fix regression related to triggering source of EC event handling * acpi-button: ACPI / button: Delay acpi_lid_initialize_state() until first user space open * acpi-sysfs: ACPI / sysfs: Make function param_set_trace_method_name() static * acpi-lpss: ACPI / LPSS: Remove redundant initialization of clk * acpi-cppc: ACPI / CPPC: Make CPPC ACPI driver aware of PCC subspace IDs mailbox: PCC: Move the MAX_PCC_SUBSPACES definition to header file |
||
|
Rafael J. Wysocki
|
85595ada6c |
Merge branches 'acpi-pmic', 'acpi-apei' and 'acpi-x86'
* acpi-pmic: ACPI / PMIC: Add TI PMIC TPS68470 operation region driver * acpi-apei: APEI / ERST: use 64-bit timestamps ACPI / APEI: Remove arch_apei_flush_tlb_one() arm64: mm: Remove arch_apei_flush_tlb_one() ACPI / APEI: Remove ghes_ioremap_area ACPI / APEI: Replace ioremap_page_range() with fixmap ACPI / APEI: remove the unused dead-code for SEA/NMI notification type ACPI / APEI: adjust a local variable type in ghes_ioremap_pfn_irq() * acpi-x86: ACPI / x86: Extend KIOX000A quirk to cover all affected BIOS versions |
||
|
Rafael J. Wysocki
|
60764eb379 |
Merge branch 'acpica'
* acpica: ACPICA: Update version to 20170831 ACPICA: Update acpi_get_timer for 64-bit interface to acpi_hw_read ACPICA: String conversions: Update to add new behaviors ACPICA: String conversions: Cleanup/format comments. No functional changes ACPICA: Restructure/cleanup all string-to-integer conversion functions ACPICA: Header support for the PDTT ACPI table ACPICA: acpiexec: Add testability of deferred table verification ACPICA: Hardware: Enable 64-bit support of hardware accesses |
||
|
Rafael J. Wysocki
|
4762573b93 |
Merge branch 'pm-qos'
* pm-qos: PM / QoS: Fix device resume latency framework PM / QoS: Drop PM_QOS_FLAG_REMOTE_WAKEUP |
||
|
Dan Williams
|
0e7f074145 |
acpi, nfit: validate commands against the device type
Fix occasions in acpi_nfit_ctl where we check the command type without
validating whether we are parsing dimm vs bus level commands. Where the
command numbers alias between dimms and bus we can make the wrong
assumption just checking the raw command number. For example, with a
simple nfit_test mock up of the clear-error command we trigger the
following:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000094
IP: acpi_nfit_ctl+0x29b/0x930 [nfit]
[..]
Call Trace:
nfit_test_probe+0xb85/0xc09 [nfit_test]
platform_drv_probe+0x3b/0xa0
? platform_drv_probe+0x3b/0xa0
driver_probe_device+0x29c/0x450
? test_alloc+0x180/0x180 [nfit_test]
__driver_attach+0xe3/0xf0
? driver_probe_device+0x450/0x450
bus_for_each_dev+0x73/0xc0
driver_attach+0x1e/0x20
bus_add_driver+0x173/0x270
driver_register+0x60/0xe0
__platform_driver_register+0x36/0x40
nfit_test_init+0x2a1/0x1000 [nfit_test]
Fixes:
|
||
Gustavo A. R. Silva
|
1be9c3a0a0 |
ACPI: Mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
Colin Ian King
|
71c50dbe1f |
ACPI / LPSS: Remove redundant initialization of clk
The pointer clk is being initialized to ERR_PTR(-ENODEV) however this value is never read before it is set to clk_data->clk. Thus the initialization is redundant and can be mored. Cleans up clang warning: Value stored to 'clk' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
George Cherian
|
85b1407bf6 |
ACPI / CPPC: Make CPPC ACPI driver aware of PCC subspace IDs
Based on ACPI 6.2 Section 8.4.7.1.9 If the PCC register space is used, all PCC registers, for all processors in the same performance domain (as defined by _PSD), must be defined to be in the same subspace. Based on Section 14.1 of ACPI specification, it is possible to have a maximum of 256 PCC subspace IDs. Add support of multiple PCC subspace ID instead of using a single global pcc_data structure. While at that, fix the time_delta check in send_pcc_cmd() so that last_mpar_reset and mpar_count are initialized properly. Signed-off-by: George Cherian <george.cherian@cavium.com> Reviewed-by: Prashanth Prakash <pprakash@codeaurora.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Colin Ian King
|
3e87ead412 |
ACPI / sysfs: Make function param_set_trace_method_name() static
The function param_set_trace_method_name is local to the source and does not need to be in global scope, so make it static. Cleans up sparse warning: symbol 'param_set_trace_method_name' was not declared. Should it be static? Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
Hans de Goede
|
84d3f6b764 |
ACPI / button: Delay acpi_lid_initialize_state() until first user space open
ACPI _LID methods may depend on OpRegions and do not always handle
handlers for those OpRegions not being present properly e.g. :
Method (_LID, 0, NotSerialized) // _LID: Lid Status
{
If ((^^I2C5.PMI1.AVBL == One) && (^^GPO2.AVBL == One))
{
Return (^^GPO2.LPOL) /* \_SB_.GPO2.LPOL */
}
}
Note the missing Return (1) when either of the OpRegions is not available,
this causes (in this case) a report of the lid-switch being closed,
which causes userspace to do an immediate suspend at boot.
This commit delays getting the initial state and thus calling _LID for
the first time until userspace opens the /dev/input/event# node. This
ensures that all drivers will have had a chance to load and registerer
their OpRegions before the first _LID call, fixing this issue.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
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Lv Zheng
|
53c5eaabae |
ACPI / EC: Fix regression related to triggering source of EC event handling
Originally the Samsung quirks removed by commit |
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Arnd Bergmann
|
c0041d40ba |
APEI / ERST: use 64-bit timestamps
32-bit timestamps are deprecated in the kernel, so we should not use get_seconds(). In this case, the 'struct cper_record_header' structure already contains a 64-bit field, so the only required change is to use the safe ktime_get_real_seconds() interface as a replacement. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Ville Syrjälä
|
ff1656790b |
ACPI / PM: Fix acpi_pm_notifier_lock vs flush_workqueue() deadlock
acpi_remove_pm_notifier() ends up calling flush_workqueue() while holding acpi_pm_notifier_lock, and that same lock is taken by by the work via acpi_pm_notify_handler(). This can deadlock. To fix the problem let's split the single lock into two: one to protect the dev->wakeup between the work vs. add/remove, and another one to handle notifier installation vs. removal. After commit |
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James Morse
|
520e18a508 |
ACPI / APEI: Remove ghes_ioremap_area
Now that nothing is using the ghes_ioremap_area pages, rip them out. Signed-off-by: James Morse <james.morse@arm.com> Reviewed-by: Borislav Petkov <bp@suse.de> Tested-by: Tyler Baicar <tbaicar@codeaurora.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: All applicable <stable@vger.kernel.org> |
||
|
James Morse
|
4f89fa286f |
ACPI / APEI: Replace ioremap_page_range() with fixmap
Replace ghes_io{re,un}map_pfn_{nmi,irq}()s use of ioremap_page_range()
with __set_fixmap() as ioremap_page_range() may sleep to allocate a new
level of page-table, even if its passed an existing final-address to
use in the mapping.
The GHES driver can only be enabled for architectures that select
HAVE_ACPI_APEI: Add fixmap entries to both x86 and arm64.
clear_fixmap() does the TLB invalidation in __set_fixmap() for arm64
and __set_pte_vaddr() for x86. In each case its the same as the
respective arch_apei_flush_tlb_one().
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Tested-by: Tyler Baicar <tbaicar@codeaurora.org>
Tested-by: Toshi Kani <toshi.kani@hpe.com>
[ For the arm64 bits: ]
Acked-by: Will Deacon <will.deacon@arm.com>
[ For the x86 bits: ]
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: All applicable <stable@vger.kernel.org>
|
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Rafael J. Wysocki
|
71630b7a83 |
ACPI / PM: Blacklist Low Power S0 Idle _DSM for Dell XPS13 9360
At least one Dell XPS13 9360 is reported to have serious issues with
the Low Power S0 Idle _DSM interface and since this machine model
generally can do ACPI S3 just fine, add a blacklist entry to disable
that interface for Dell XPS13 9360.
Fixes:
|
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Rafael J. Wysocki
|
05087360fd |
ACPI / PM: Take SMART_SUSPEND driver flag into account
Make the ACPI PM domain take DPM_FLAG_SMART_SUSPEND into account in its system suspend callbacks. [Note that the pm_runtime_suspended() check in acpi_dev_needs_resume() is an optimization, because if is not passed, all of the subsequent checks may be skipped and some of them are much more overhead in general.] Also use the observation that if the device is in runtime suspend at the beginning of the "late" phase of a system-wide suspend-like transition, its state cannot change going forward (runtime PM is disabled for it at that time) until the transition is over and the subsequent system-wide PM callbacks should be skipped for it (as they generally assume the device to not be suspended), so add checks for that in acpi_subsys_suspend_late/noirq() and acpi_subsys_freeze_late/noirq(). Moreover, if acpi_subsys_resume_noirq() is called during the subsequent system-wide resume transition and if the device was left in runtime suspend previously, its runtime PM status needs to be changed to "active" as it is going to be put into the full-power state going forward, so add a check for that too in there. In turn, if acpi_subsys_thaw_noirq() runs after the device has been left in runtime suspend, the subsequent "thaw" callbacks need to be skipped for it (as they may not work correctly with a suspended device), so set the power.direct_complete flag for the device then to make the PM core skip those callbacks. On top of the above, make the analogous changes in the acpi_lpss driver that uses the ACPI PM domain callbacks. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Rafael J. Wysocki
|
08810a4119 |
PM / core: Add NEVER_SKIP and SMART_PREPARE driver flags
The motivation for this change is to provide a way to work around a problem with the direct-complete mechanism used for avoiding system suspend/resume handling for devices in runtime suspend. The problem is that some middle layer code (the PCI bus type and the ACPI PM domain in particular) returns positive values from its system suspend ->prepare callbacks regardless of whether the driver's ->prepare returns a positive value or 0, which effectively prevents drivers from being able to control the direct-complete feature. Some drivers need that control, however, and the PCI bus type has grown its own flag to deal with this issue, but since it is not limited to PCI, it is better to address it by adding driver flags at the core level. To that end, add a driver_flags field to struct dev_pm_info for flags that can be set by device drivers at the probe time to inform the PM core and/or bus types, PM domains and so on on the capabilities and/or preferences of device drivers. Also add two static inline helpers for setting that field and testing it against a given set of flags and make the driver core clear it automatically on driver remove and probe failures. Define and document two PM driver flags related to the direct- complete feature: NEVER_SKIP and SMART_PREPARE that can be used, respectively, to indicate to the PM core that the direct-complete mechanism should never be used for the device and to inform the middle layer code (bus types, PM domains etc) that it can only request the PM core to use the direct-complete mechanism for the device (by returning a positive value from its ->prepare callback) if it also has been requested by the driver. While at it, make the core check pm_runtime_suspended() when setting power.direct_complete so that it doesn't need to be checked by ->prepare callbacks. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> |
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|
Linus Torvalds
|
9b3499d752 |
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Two fixes:
- A PCID related revert that fixes power management and performance
regressions.
- The module loader robustization and sanity check commit is rather
fresh, but it looked like a good idea to apply because of the
hidden data corruption problem such invalid modules could cause"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/module: Detect and skip invalid relocations
Revert "x86/mm: Stop calling leave_mm() in idle code"
|
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Andy Lutomirski
|
675357362a |
Revert "x86/mm: Stop calling leave_mm() in idle code"
This reverts commit |
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Kees Cook
|
d5272003b8 |
ACPI / APEI: Convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Len Brown <lenb@kernel.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Tyler Baicar <tbaicar@codeaurora.org> Cc: Will Deacon <will.deacon@arm.com> Cc: James Morse <james.morse@arm.com> Cc: "Jonathan (Zhixiong) Zhang" <zjzhang@codeaurora.org> Cc: Shiju Jose <shiju.jose@huawei.com> Cc: linux-acpi@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Tested-by: Tyler Baicar <tbaicar@codeaurora.org> |
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Dave Jiang
|
aa9ad44a42 |
libnvdimm: move poison list functions to a new 'badrange' file
nfit_test needs to use the poison list manipulation code as well. Make it more generic and in the process rename poison to badrange, and move all the related helpers to a new file. Signed-off-by: Dave Jiang <dave.jiang@intel.com> [vishal: Add badrange.o to nfit_test's Kbuild] [vishal: add a missed include in bus.c for the new badrange functions] [vishal: rename all instances of 'be' to 'bre'] Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Greg Kroah-Hartman
|
b24413180f |
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Kees Cook
|
e4dca7b7aa |
treewide: Fix function prototypes for module_param_call()
Several function prototypes for the set/get functions defined by
module_param_call() have a slightly wrong argument types. This fixes
those in an effort to clean up the calls when running under type-enforced
compiler instrumentation for CFI. This is the result of running the
following semantic patch:
@match_module_param_call_function@
declarer name module_param_call;
identifier _name, _set_func, _get_func;
expression _arg, _mode;
@@
module_param_call(_name, _set_func, _get_func, _arg, _mode);
@fix_set_prototype
depends on match_module_param_call_function@
identifier match_module_param_call_function._set_func;
identifier _val, _param;
type _val_type, _param_type;
@@
int _set_func(
-_val_type _val
+const char * _val
,
-_param_type _param
+const struct kernel_param * _param
) { ... }
@fix_get_prototype
depends on match_module_param_call_function@
identifier match_module_param_call_function._get_func;
identifier _val, _param;
type _val_type, _param_type;
@@
int _get_func(
-_val_type _val
+char * _val
,
-_param_type _param
+const struct kernel_param * _param
) { ... }
Two additional by-hand changes are included for places where the above
Coccinelle script didn't notice them:
drivers/platform/x86/thinkpad_acpi.c
fs/lockd/svc.c
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
|
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|
Dan Williams
|
11e1427016 |
acpi, nfit: add support for NVDIMM_FAMILY_INTEL v1.6 DSMs
Per v1.6 of the NVDIMM_FAMILY_INTEL command set [1] some of the new commands require rev-id 2. In addition to enabling ND_CMD_CALL for these new function numbers, add a lookup table for revision-ids by family and function number. [1]: http://pmem.io/documents/NVDIMM_DSM_Interface-V1.6.pdf Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
||
|
Dan Williams
|
b9b1504d3c |
acpi, nfit: hide unknown commands from nmemX/commands
For vendor specific commands that do not have a common kernel
translation, hide them from nmemX/commands. For example, the following
results from new enabling to probe for support of the new
NVDIMM_FAMILY_INTEL DSMs specified in v1.6 of the command specification
[1]:
# cat /sys/bus/nd/devices/nmem0/commands
smart smart_thresh flags get_size get_data set_data effect_size
effect_log vendor cmd_call unknown unknown unknown unknown unknown
unknown unknown unknown
[1]: https://pmem.io/documents/NVDIMM_DSM_Interface-V1.6.pdf
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
|
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Wolfram Sang
|
3990bedea6 |
Merge branch 'i2c-mux/for-next' of https://github.com/peda-r/i2c-mux into i2c/for-4.15
This cycle has been real quiet for me. There's only the one trivial patch that somewhat simplifies DT parsing in the i2c-mux-reg driver. |
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|
Rafael J. Wysocki
|
a192aa923b |
ACPI / LPSS: Consolidate runtime PM and system sleep handling
Move the LPSS-specific code from acpi_lpss_runtime_suspend() and acpi_lpss_runtime_resume() into separate functions, acpi_lpss_suspend() and acpi_lpss_resume(), respectively, and make acpi_lpss_suspend_late() and acpi_lpss_resume_early() use them too in order to unify the runtime PM and system sleep handling in the LPSS driver. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> |
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Dongjiu Geng
|
c49870e89f |
ACPI / APEI: remove the unused dead-code for SEA/NMI notification type
For the SEA notification, the two functions ghes_sea_add() and ghes_sea_remove() are only called when CONFIG_ACPI_APEI_SEA is defined. If not, it will return errors in the ghes_probe() and not continue. If the probe is failed, the ghes_sea_remove() also has no chance to be called. Hence, remove the unnecessary handling when CONFIG_ACPI_APEI_SEA is not defined. For the NMI notification, it has the same issue as SEA notification, so also remove the unused dead-code for it. Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com> Tested-by: Tyler Baicar <tbaicar@codeaurora.org> Reviewed-by: Borislav Petkov <bp@suse.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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|
Hans de Goede
|
1c3b44c0f4 |
ACPI / x86: Extend KIOX000A quirk to cover all affected BIOS versions
Recently produced GPD win devices have a new BIOS, research into the changes in this BIOS has found a ChangeLog which shows that the disabling of the KIOX000A node has been done starting with the 20170221 version. Unfortunately the GPD pocket uses the exact same DMI strings as the win and its BIOS was copy-pasted from the GPD win, so it has a disabled KIOX000A node which we should not enable, so we need to check for the exact BIOS date. This commit adds 2 extra entries to the always_present_ids quirk table with bios_date matches for the older also affected and the latest BIOS. Reported-by: ReddestDream <reddestdream@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Frédéric Danis
|
e361d1f858 |
ACPI / scan: Fix enumeration for special UART devices
UART devices is expected to be enumerated by SerDev subsystem. During ACPI scan, serial devices behind SPI, I2C or UART buses are not enumerated, allowing them to be enumerated by their respective parents. Rename *spi_i2c_slave* to *serial_bus_slave* as this will be used for serial devices on serial buses (SPI, I2C or UART). On Macs an empty ResourceTemplate is returned for uart slaves. Instead the device properties "baud", "parity", "dataBits", "stopBits" are provided. Add a check for "baud" in acpi_is_serial_bus_slave(). Signed-off-by: Frédéric Danis <frederic.danis.oss@gmail.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Tested-by: Ronald Tschalär <ronald@innovation.ch> Tested-by: Peter Y. Chuang <peteryuchuang@gmail.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Bhumika Goyal
|
c1e950842f |
ACPI: configfs: make config_item_type const
Make these structures const as they are either passed to the functions having the argument as const or stored as a reference in the "ci_type" const field of a config_item structure. Done using Coccienlle. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de> |
||
Jayachandran C
|
1977dbefe9 |
ACPI / APD: Add clock frequency for ThunderX2 I2C controller
Add the input frequency of 125MHz for the ThunderX2 I2C controller block. The ACPI ID used is "CAV9007". Signed-off-by: Jayachandran C <jnair@caviumnetworks.com> Signed-off-by: Kamlakant Patel <kamlakant.patel@cavium.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> |