- A mechanism to shield isolated tasks from managed interrupts:
The affinity of managed interrupts is completely controlled by the
kernel and user space has no influence on them. The reason is that
the automatically assigned affinity correlates to the multi-queue
CPU handling of block devices.
If the generated affinity mask spaws both housekeeping and isolated CPUs
the interrupt could be routed to an isolated CPU which would then be
disturbed by I/O submitted by a housekeeping CPU.
The new mechamism ensures that as long as one housekeeping CPU is online
in the assigned affinity mask the interrupt is routed to a housekeeping
CPU.
If there is no online housekeeping CPU in the affinity mask, then the
interrupt is routed to an isolated CPU to keep the device queue intact,
but unless the isolated CPU submits I/O by itself these interrupts are
not raised.
- A small addon to the device tree irqdomain core code to avoid
duplication in irq chip drivers
- Conversion of the SiFive PLIC to hierarchical domains
- The usual pile of new irq chip drivers: SiFive GPIO, Aspeed SCI, NXP
INTMUX, Meson A1 GPIO
- The first cut of support for the new ARM GICv4.1
- The usual pile of fixes and improvements in core and driver code
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Merge tag 'irq-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The interrupt departement provides:
- A mechanism to shield isolated tasks from managed interrupts:
The affinity of managed interrupts is completely controlled by the
kernel and user space has no influence on them. The reason is that
the automatically assigned affinity correlates to the multi-queue
CPU handling of block devices.
If the generated affinity mask spaws both housekeeping and isolated
CPUs the interrupt could be routed to an isolated CPU which would
then be disturbed by I/O submitted by a housekeeping CPU.
The new mechamism ensures that as long as one housekeeping CPU is
online in the assigned affinity mask the interrupt is routed to a
housekeeping CPU.
If there is no online housekeeping CPU in the affinity mask, then
the interrupt is routed to an isolated CPU to keep the device queue
intact, but unless the isolated CPU submits I/O by itself these
interrupts are not raised.
- A small addon to the device tree irqdomain core code to avoid
duplication in irq chip drivers
- Conversion of the SiFive PLIC to hierarchical domains
- The usual pile of new irq chip drivers: SiFive GPIO, Aspeed SCI,
NXP INTMUX, Meson A1 GPIO
- The first cut of support for the new ARM GICv4.1
- The usual pile of fixes and improvements in core and driver code"
* tag 'irq-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
genirq, sched/isolation: Isolate from handling managed interrupts
irqchip/gic-v4.1: Allow direct invalidation of VLPIs
irqchip/gic-v4.1: Suppress per-VLPI doorbell
irqchip/gic-v4.1: Add VPE INVALL callback
irqchip/gic-v4.1: Add VPE eviction callback
irqchip/gic-v4.1: Add VPE residency callback
irqchip/gic-v4.1: Add mask/unmask doorbell callbacks
irqchip/gic-v4.1: Plumb skeletal VPE irqchip
irqchip/gic-v4.1: Implement the v4.1 flavour of VMOVP
irqchip/gic-v4.1: Don't use the VPE proxy if RVPEID is set
irqchip/gic-v4.1: Implement the v4.1 flavour of VMAPP
irqchip/gic-v4.1: VPE table (aka GICR_VPROPBASER) allocation
irqchip/gic-v3: Add GICv4.1 VPEID size discovery
irqchip/gic-v3: Detect GICv4.1 supporting RVPEID
irqchip/gic-v3-its: Fix get_vlpi_map() breakage with doorbells
irqdomain: Fix a memory leak in irq_domain_push_irq()
irqchip: Add NXP INTMUX interrupt multiplexer support
dt-bindings: interrupt-controller: Add binding for NXP INTMUX interrupt multiplexer
irqchip: Define EXYNOS_IRQ_COMBINER
irqchip/meson-gpio: Add support for meson a1 SoCs
...
- Time namespace support:
If a container migrates from one host to another then it expects that
clocks based on MONOTONIC and BOOTTIME are not subject to
disruption. Due to different boot time and non-suspended runtime these
clocks can differ significantly on two hosts, in the worst case time
goes backwards which is a violation of the POSIX requirements.
The time namespace addresses this problem. It allows to set offsets for
clock MONOTONIC and BOOTTIME once after creation and before tasks are
associated with the namespace. These offsets are taken into account by
timers and timekeeping including the VDSO.
Offsets for wall clock based clocks (REALTIME/TAI) are not provided by
this mechanism. While in theory possible, the overhead and code
complexity would be immense and not justified by the esoteric potential
use cases which were discussed at Plumbers '18.
The overhead for tasks in the root namespace (host time offsets = 0) is
in the noise and great effort was made to ensure that especially in the
VDSO. If time namespace is disabled in the kernel configuration the
code is compiled out.
Kudos to Andrei Vagin and Dmitry Sofanov who implemented this feature
and kept on for more than a year addressing review comments, finding
better solutions. A pleasant experience.
- Overhaul of the alarmtimer device dependency handling to ensure that
the init/suspend/resume ordering is correct.
- A new clocksource/event driver for Microchip PIT64
- Suspend/resume support for the Hyper-V clocksource
- The usual pile of fixes, updates and improvements mostly in the
driver code.
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Merge tag 'timers-core-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"The timekeeping and timers departement provides:
- Time namespace support:
If a container migrates from one host to another then it expects
that clocks based on MONOTONIC and BOOTTIME are not subject to
disruption. Due to different boot time and non-suspended runtime
these clocks can differ significantly on two hosts, in the worst
case time goes backwards which is a violation of the POSIX
requirements.
The time namespace addresses this problem. It allows to set offsets
for clock MONOTONIC and BOOTTIME once after creation and before
tasks are associated with the namespace. These offsets are taken
into account by timers and timekeeping including the VDSO.
Offsets for wall clock based clocks (REALTIME/TAI) are not provided
by this mechanism. While in theory possible, the overhead and code
complexity would be immense and not justified by the esoteric
potential use cases which were discussed at Plumbers '18.
The overhead for tasks in the root namespace (ie where host time
offsets = 0) is in the noise and great effort was made to ensure
that especially in the VDSO. If time namespace is disabled in the
kernel configuration the code is compiled out.
Kudos to Andrei Vagin and Dmitry Sofanov who implemented this
feature and kept on for more than a year addressing review
comments, finding better solutions. A pleasant experience.
- Overhaul of the alarmtimer device dependency handling to ensure
that the init/suspend/resume ordering is correct.
- A new clocksource/event driver for Microchip PIT64
- Suspend/resume support for the Hyper-V clocksource
- The usual pile of fixes, updates and improvements mostly in the
driver code"
* tag 'timers-core-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits)
alarmtimer: Make alarmtimer_get_rtcdev() a stub when CONFIG_RTC_CLASS=n
alarmtimer: Use wakeup source from alarmtimer platform device
alarmtimer: Make alarmtimer platform device child of RTC device
alarmtimer: Update alarmtimer_get_rtcdev() docs to reflect reality
hrtimer: Add missing sparse annotation for __run_timer()
lib/vdso: Only read hrtimer_res when needed in __cvdso_clock_getres()
MIPS: vdso: Define BUILD_VDSO32 when building a 32bit kernel
clocksource/drivers/hyper-v: Set TSC clocksource as default w/ InvariantTSC
clocksource/drivers/hyper-v: Untangle stimers and timesync from clocksources
clocksource/drivers/timer-microchip-pit64b: Fix sparse warning
clocksource/drivers/exynos_mct: Rename Exynos to lowercase
clocksource/drivers/timer-ti-dm: Fix uninitialized pointer access
clocksource/drivers/timer-ti-dm: Switch to platform_get_irq
clocksource/drivers/timer-ti-dm: Convert to devm_platform_ioremap_resource
clocksource/drivers/em_sti: Fix variable declaration in em_sti_probe
clocksource/drivers/em_sti: Convert to devm_platform_ioremap_resource
clocksource/drivers/bcm2835_timer: Fix memory leak of timer
clocksource/drivers/cadence-ttc: Use ttc driver as platform driver
clocksource/drivers/timer-microchip-pit64b: Add Microchip PIT64B support
clocksource/drivers/hyper-v: Reserve PAGE_SIZE space for tsc page
...
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Merge tag 'selinux-pr-20200127' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull SELinux update from Paul Moore:
"This is one of the bigger SELinux pull requests in recent years with
28 patches. Everything is passing our test suite and the highlights
are below:
- Mark CONFIG_SECURITY_SELINUX_DISABLE as deprecated. We're some time
away from actually attempting to remove this in the kernel, but the
only distro we know that still uses it (Fedora) is working on
moving away from this so we want to at least let people know we are
planning to remove it.
- Reorder the SELinux hooks to help prevent bad things when SELinux
is disabled at runtime. The proper fix is to remove the
CONFIG_SECURITY_SELINUX_DISABLE functionality (see above) and just
take care of it at boot time (e.g. "selinux=0").
- Add SELinux controls for the kernel lockdown functionality,
introducing a new SELinux class/permissions: "lockdown { integrity
confidentiality }".
- Add a SELinux control for move_mount(2) that reuses the "file {
mounton }" permission.
- Improvements to the SELinux security label data store lookup
functions to speed up translations between our internal label
representations and the visible string labels (both directions).
- Revisit a previous fix related to SELinux inode auditing and
permission caching and do it correctly this time.
- Fix the SELinux access decision cache to cleanup properly on error.
In some extreme cases this could limit the cache size and result in
a decrease in performance.
- Enable SELinux per-file labeling for binderfs.
- The SELinux initialized and disabled flags were wrapped with
accessors to ensure they are accessed correctly.
- Mark several key SELinux structures with __randomize_layout.
- Changes to the LSM build configuration to only build
security/lsm_audit.c when needed.
- Changes to the SELinux build configuration to only build the IB
object cache when CONFIG_SECURITY_INFINIBAND is enabled.
- Move a number of single-caller functions into their callers.
- Documentation fixes (/selinux -> /sys/fs/selinux).
- A handful of cleanup patches that aren't worth mentioning on their
own, the individual descriptions have plenty of detail"
* tag 'selinux-pr-20200127' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: (28 commits)
selinux: fix regression introduced by move_mount(2) syscall
selinux: do not allocate ancillary buffer on first load
selinux: remove redundant allocation and helper functions
selinux: remove redundant selinux_nlmsg_perm
selinux: fix wrong buffer types in policydb.c
selinux: reorder hooks to make runtime disable less broken
selinux: treat atomic flags more carefully
selinux: make default_noexec read-only after init
selinux: move ibpkeys code under CONFIG_SECURITY_INFINIBAND.
selinux: remove redundant msg_msg_alloc_security
Documentation,selinux: fix references to old selinuxfs mount point
selinux: deprecate disabling SELinux and runtime
selinux: allow per-file labelling for binderfs
selinuxfs: use scnprintf to get real length for inode
selinux: remove set but not used variable 'sidtab'
selinux: ensure the policy has been loaded before reading the sidtab stats
selinux: ensure we cleanup the internal AVC counters on error in avc_update()
selinux: randomize layout of key structures
selinux: clean up selinux_enabled/disabled/enforcing_boot
selinux: remove unnecessary selinux cred request
...
- Update the ACPICA code in the kernel to upstream revision
20200110 including:
* Update of copyright notices to 2020 (Bob Moore).
* Dispatcher fix to always generate buffer objects for the ASL
create_field() operator (Maximilian Luz).
* Debugger cleanup (Colin Ian King).
* Disassembler change to create buffer fields in
ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
* UNIX line ending support for non-windows builds in acpisrc
(Erik Kaneda).
- Update the list of ACPICA maintainers (Rafael Wysocki).
- Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
int340x_thermal and intel-hid drivers (Gayatri Kammela).
- Make the ACPI fan driver create additional sysfs attributes to
expose power states information for fans (Srinivas Pandruvada).
- Fix up the ACPI battery driver to deal with unexpected battery
capacity information in a better way (Hans de Goede).
- Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
boards (Aaron Ma, Hans de Goede).
- Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
to the ACPI button driver (Jason Ekstrand).
- Drop TIMER_DEFERRABLE from the GHES polling mode timer function
flags to make it run precisely at the configured time (Bhaskar
Upadhaya).
- Fix race condition related to the reference counting of query
handlers in the ACPI EC driver (Rafael Wysocki).
- Fix ACPI tools build issue (Zhengyuan Liu).
- Replace dma_request_slave_channel() with dma_request_chan() in the
firmware guide documentation for ACPI (Peter Ujfalusi).
- Fix typo in a comment and clean up function parameter data type
inconsistencies (Kacper Piwiński, Tian Tao).
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Merge tag 'acpi-5.6-rc1' of 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 the most recent upstream
revision (20200110), add new hardware support to a handful of ACPI
drivers, make the ACPI fan driver expose power states information for
fans, add some more quirks, fix bugs and clean up assorted things.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20200110
including:
- Update of copyright notices to 2020 (Bob Moore).
- Dispatcher fix to always generate buffer objects for the ASL
create_field() operator (Maximilian Luz).
- Debugger cleanup (Colin Ian King).
- Disassembler change to create buffer fields in
ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
- UNIX line ending support for non-windows builds in acpisrc (Erik
Kaneda).
- Update the list of ACPICA maintainers (Rafael Wysocki).
- Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
int340x_thermal and intel-hid drivers (Gayatri Kammela).
- Make the ACPI fan driver create additional sysfs attributes to
expose power states information for fans (Srinivas Pandruvada).
- Fix up the ACPI battery driver to deal with unexpected battery
capacity information in a better way (Hans de Goede).
- Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
boards (Aaron Ma, Hans de Goede).
- Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch to
the ACPI button driver (Jason Ekstrand).
- Drop TIMER_DEFERRABLE from the GHES polling mode timer function
flags to make it run precisely at the configured time (Bhaskar
Upadhaya).
- Fix race condition related to the reference counting of query
handlers in the ACPI EC driver (Rafael Wysocki).
- Fix ACPI tools build issue (Zhengyuan Liu).
- Replace dma_request_slave_channel() with dma_request_chan() in the
firmware guide documentation for ACPI (Peter Ujfalusi).
- Fix typo in a comment and clean up function parameter data type
inconsistencies (Kacper Piwiński, Tian Tao)"
* tag 'acpi-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
ACPICA: Update version to 20200110
ACPICA: All acpica: Update copyrights to 2020 Including tool signons.
apei/ghes: Do not delay GHES polling
ACPI: button: Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
ACPI: PPTT: Consistently use unsigned int as parameter type
ACPI: EC: Reference count query handlers under lock
ACPICA: Update the list of maintainers
ACPICA: Update version to 20191213
ACPICA: Dispatcher: always generate buffer objects for ASL create_field() operator
ACPICA: acpisrc: add unix line ending support for non-windows build
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
ACPICA: debugger: fix spelling mistake "adress" -> "address"
ACPI: video: Do not export a non working backlight interface on MSI MS-7721 boards
docs: firmware-guide: ACPI: Replace dma_request_slave_channel() with dma_request_chan()
thermal: int340x_thermal: Add Tiger Lake ACPI device IDs
platform/x86: intel-hid: Add Tiger Lake ACPI device ID
ACPI: fan: Add Tiger Lake ACPI device ID
ACPI: DPTF: Add Tiger Lake ACPI device IDs
ACPI: fan: Expose fan performance state information
tools/power/acpi: fix compilation error
...
- Update the ACPI processor driver in order to export
acpi_processor_evaluate_cst() to the code outside of it, add
ACPI support to the intel_idle driver based on that and clean
up that driver somewhat (Rafael Wysocki).
- Add an admin guide document for the intel_idle driver (Rafael
Wysocki).
- Clean up cpuidle core and drivers, enable compilation testing
for some of them (Benjamin Gaignard, Krzysztof Kozlowski, Rafael
Wysocki, Yangtao Li).
- Fix reference counting of OPP (operating performance points) table
structures (Viresh Kumar).
- Add support for CPR (Core Power Reduction) to the AVS (Adaptive
Voltage Scaling) subsystem (Niklas Cassel, Colin Ian King,
YueHaibing).
- Add support for TigerLake Mobile and JasperLake to the Intel RAPL
power capping driver (Zhang Rui).
- Update cpufreq drivers:
* Add i.MX8MP support to imx-cpufreq-dt (Anson Huang).
* Fix usage of a macro in loongson2_cpufreq (Alexandre Oliva).
* Fix cpufreq policy reference counting issues in s3c and
brcmstb-avs (chenqiwu).
* Fix ACPI table reference counting issue and HiSilicon quirk
handling in the CPPC driver (Hanjun Guo).
* Clean up spelling mistake in intel_pstate (Harry Pan).
* Convert the kirkwood and tegra186 drivers to using
devm_platform_ioremap_resource() (Yangtao Li).
- Update devfreq core:
* Add 'name' sysfs attribute for devfreq devices (Chanwoo Choi).
* Clean up the handing of transition statistics and allow them
to be reset by writing 0 to the 'trans_stat' devfreq device
attribute in sysfs (Kamil Konieczny).
* Add 'devfreq_summary' to debugfs (Chanwoo Choi).
* Clean up kerneldoc comments and Kconfig indentation (Krzysztof
Kozlowski, Randy Dunlap).
- Update devfreq drivers:
* Add dynamic scaling for the imx8m DDR controller and clean up
imx8m-ddrc (Leonard Crestez, YueHaibing).
* Fix DT node reference counting and nitialization error code path
in rk3399_dmc and add COMPILE_TEST and HAVE_ARM_SMCCC dependency
for it (Chanwoo Choi, Yangtao Li).
* Fix DT node reference counting in rockchip-dfi and make it use
devm_platform_ioremap_resource() (Yangtao Li).
* Fix excessive stack usage in exynos-ppmu (Arnd Bergmann).
* Fix initialization error code paths in exynos-bus (Yangtao Li).
* Clean up exynos-bus and exynos somewhat (Artur Świgoń, Krzysztof
Kozlowski).
- Add tracepoints for tracking usage_count updates unrelated to
status changes in PM-runtime (Michał Mirosław).
- Add sysfs attribute to control the "sync on suspend" behavior
during system-wide suspend (Jonas Meurer).
- Switch system-wide suspend tests over to 64-bit time (Alexandre
Belloni).
- Make wakeup sources statistics in debugfs cover deleted ones which
used to be the case some time ago (zhuguangqing).
- Clean up computations carried out during hibernation, update
messages related to hibernation and fix a spelling mistake in one
of them (Wen Yang, Luigi Semenzato, Colin Ian King).
- Add mailmap entry for maintainer e-mail address that has not been
functional for several years (Rafael Wysocki).
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Merge tag 'pm-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add ACPI support to the intel_idle driver along with an admin
guide document for it, add support for CPR (Core Power Reduction) to
the AVS (Adaptive Voltage Scaling) subsystem, add new hardware support
in a few places, add some new sysfs attributes, debugfs files and
tracepoints, fix bugs and clean up a bunch of things all over.
Specifics:
- Update the ACPI processor driver in order to export
acpi_processor_evaluate_cst() to the code outside of it, add ACPI
support to the intel_idle driver based on that and clean up that
driver somewhat (Rafael Wysocki).
- Add an admin guide document for the intel_idle driver (Rafael
Wysocki).
- Clean up cpuidle core and drivers, enable compilation testing for
some of them (Benjamin Gaignard, Krzysztof Kozlowski, Rafael
Wysocki, Yangtao Li).
- Fix reference counting of OPP (operating performance points) table
structures (Viresh Kumar).
- Add support for CPR (Core Power Reduction) to the AVS (Adaptive
Voltage Scaling) subsystem (Niklas Cassel, Colin Ian King,
YueHaibing).
- Add support for TigerLake Mobile and JasperLake to the Intel RAPL
power capping driver (Zhang Rui).
- Update cpufreq drivers:
- Add i.MX8MP support to imx-cpufreq-dt (Anson Huang).
- Fix usage of a macro in loongson2_cpufreq (Alexandre Oliva).
- Fix cpufreq policy reference counting issues in s3c and
brcmstb-avs (chenqiwu).
- Fix ACPI table reference counting issue and HiSilicon quirk
handling in the CPPC driver (Hanjun Guo).
- Clean up spelling mistake in intel_pstate (Harry Pan).
- Convert the kirkwood and tegra186 drivers to using
devm_platform_ioremap_resource() (Yangtao Li).
- Update devfreq core:
- Add 'name' sysfs attribute for devfreq devices (Chanwoo Choi).
- Clean up the handing of transition statistics and allow them to
be reset by writing 0 to the 'trans_stat' devfreq device
attribute in sysfs (Kamil Konieczny).
- Add 'devfreq_summary' to debugfs (Chanwoo Choi).
- Clean up kerneldoc comments and Kconfig indentation (Krzysztof
Kozlowski, Randy Dunlap).
- Update devfreq drivers:
- Add dynamic scaling for the imx8m DDR controller and clean up
imx8m-ddrc (Leonard Crestez, YueHaibing).
- Fix DT node reference counting and nitialization error code path
in rk3399_dmc and add COMPILE_TEST and HAVE_ARM_SMCCC dependency
for it (Chanwoo Choi, Yangtao Li).
- Fix DT node reference counting in rockchip-dfi and make it use
devm_platform_ioremap_resource() (Yangtao Li).
- Fix excessive stack usage in exynos-ppmu (Arnd Bergmann).
- Fix initialization error code paths in exynos-bus (Yangtao Li).
- Clean up exynos-bus and exynos somewhat (Artur Świgoń, Krzysztof
Kozlowski).
- Add tracepoints for tracking usage_count updates unrelated to
status changes in PM-runtime (Michał Mirosław).
- Add sysfs attribute to control the "sync on suspend" behavior
during system-wide suspend (Jonas Meurer).
- Switch system-wide suspend tests over to 64-bit time (Alexandre
Belloni).
- Make wakeup sources statistics in debugfs cover deleted ones which
used to be the case some time ago (zhuguangqing).
- Clean up computations carried out during hibernation, update
messages related to hibernation and fix a spelling mistake in one
of them (Wen Yang, Luigi Semenzato, Colin Ian King).
- Add mailmap entry for maintainer e-mail address that has not been
functional for several years (Rafael Wysocki)"
* tag 'pm-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (83 commits)
cpufreq: loongson2_cpufreq: adjust cpufreq uses of LOONGSON_CHIPCFG
intel_idle: Clean up irtl_2_usec()
intel_idle: Move 3 functions closer to their callers
intel_idle: Annotate initialization code and data structures
intel_idle: Move and clean up intel_idle_cpuidle_devices_uninit()
intel_idle: Rearrange intel_idle_cpuidle_driver_init()
intel_idle: Clean up NULL pointer check in intel_idle_init()
intel_idle: Fold intel_idle_probe() into intel_idle_init()
intel_idle: Eliminate __setup_broadcast_timer()
cpuidle: fix cpuidle_find_deepest_state() kerneldoc warnings
cpuidle: sysfs: fix warnings when compiling with W=1
cpuidle: coupled: fix warnings when compiling with W=1
cpufreq: brcmstb-avs: fix imbalance of cpufreq policy refcount
PM: suspend: Add sysfs attribute to control the "sync on suspend" behavior
PM / devfreq: Add debugfs support with devfreq_summary file
Documentation: admin-guide: PM: Add intel_idle document
cpuidle: arm: Enable compile testing for some of drivers
PM-runtime: add tracepoints for usage_count changes
cpufreq: intel_pstate: fix spelling mistake: "Whethet" -> "Whether"
PM: hibernate: fix spelling mistake "shapshot" -> "snapshot"
...
Hardly anything going on in the core this time around with the regulator
API and pretty quiet on the driver front:
- An API for comparing regulators, useful for devices that need to
check if supply voltages exactly match rather than just nominally
match.
- Conversion of several DT bindings to YAML format.
- Conversion of I2C drivers to probe_new().
- New drivers for Monolithic MPQ7920 and MP8859, and Rohm BD71828.
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Merge tag 'regulator-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Hardly anything going on in the core this time around with the
regulator API and pretty quiet on the driver front:
- An API for comparing regulators, useful for devices that need to
check if supply voltages exactly match rather than just nominally
match.
- Conversion of several DT bindings to YAML format.
- Conversion of I2C drivers to probe_new().
- New drivers for Monolithic MPQ7920 and MP8859, and Rohm BD71828"
* tag 'regulator-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (34 commits)
dt-bindings: regulator: add document bindings for mpq7920
regulator: core: Fix exported symbols to the exported GPL version
regulator: mpq7920: Fix incorrect defines
regulator: vqmmc-ipq4019: Fix platform_no_drv_owner.cocci warnings
regulator: vctrl-regulator: Avoid deadlock getting and setting the voltage
regulator fix for "regulator: core: Add regulator_is_equal() helper"
regulator: core: Add regulator_is_equal() helper
regulator: mpq7920: Convert to use .probe_new
regulator: mpq7920: Remove unneeded fields from struct mpq7920_regulator_info
regulator: vqmmc-ipq4019: Trivial clean up
regulator: vqmmc-ipq4019: Remove ipq4019_regulator_remove
regulator: bindings: Drop document bindings for mpq7920
dt-bindings: Drop entry for Monolithic Power System, MPS
regulator: bd718x7: Simplify the code by removing struct bd718xx_pmic_inits
regulator: add IPQ4019 SDHCI VQMMC LDO driver
regulator: Convert i2c drivers to use .probe_new
regulator: mpq7920: Check the correct variable in mpq7920_regulator_register()
regulator: mpq7920: Fix Woverflow warning on conversion
regulator: mp8859: tidy up white space in probe
regulator: mpq7920: add mpq7920 regulator driver
...
Not much going on in the core for SPI this time but a reasonable amount
of change in the drivers:
- Removal of dmal_request_slave_channel() from Peter Ujfalusi.
- More conversions of drivers to GPIO descriptors from Linus Walleij.
- A big rework of the sh-msiof driver from Geert Uytterhoeven moving it
over to the generic native chipselect support.
- DMA support for the uniphier driver from Kunihiko Hayashi.
- New driver support for HiSilcon v3xx SPI NOR controllers from John
Garry.
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Merge tag 'spi-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"Not much going on in the core for SPI this time but a reasonable
amount of change in the drivers:
- Removal of dmal_request_slave_channel() from Peter Ujfalusi.
- More conversions of drivers to GPIO descriptors from Linus Walleij.
- A big rework of the sh-msiof driver from Geert Uytterhoeven moving
it over to the generic native chipselect support.
- DMA support for the uniphier driver from Kunihiko Hayashi.
- New driver support for HiSilcon v3xx SPI NOR controllers from John
Garry"
* tag 'spi-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (52 commits)
dt-binding: spi: add NPCM PSPI reset binding
spi: pxa2xx: Avoid touching SSCR0_SSE on MMP2
spi: spi-fsl-qspi: Ensure width is respected in spi-mem operations
spi: npcm-pspi: modify reset support
spi: npcm-pspi: improve spi transfer performance
spi: spi-ti-qspi: fix warning
spi: npcm-pspi: fix 16 bit send and receive support
spi: pxa2xx: Add support for Intel Comet Lake PCH-V
spi: fsl: simplify error path in of_fsl_spi_probe()
spi: fsl-lpspi: fix only one cs-gpio working
spi: spi-ti-qspi: optimize byte-transfers
spi: spi-ti-qspi: support large flash devices
spi: spi-qcom-qspi: Use device managed memory for clk_bulk_data
MAINTAINERS: Add a maintainer for the HiSilicon v3xx SFC driver
spi: Add HiSilicon v3xx SPI NOR flash controller driver
dt-bindings: spi_atmel: add microchip,sam9x60-spi
spi: bcm2835: Raise maximum number of slaves to 4
spi: sh-msiof: Do not redefine STR while compile testing
spi: rspi: Add support for GPIO chip selects
spi: rspi: Add support for multiple native chip selects
...
- Core:
- Support for dynamic channels
- Removal of various slave wrappers
- Make few slave request APIs as private to dmaengine
- Symlinks between channels and slaves
- Support for hotplug of controllers
- Support for metadata_ops for dma_async_tx_descriptor
- Reporting DMA cached data amount
- Virtual dma channel locking updates
- New drivers/device/feature support support:
- Driver for Intel data accelerators
- Driver for TI K3 UDMA
- Driver for PLX DMA engine
- Driver for hisilicon Kunpeng DMA engine
- Support for eDMA support for QorIQ LS1028A in fsl edma driver
- Support for cyclic dma in sun4i driver
- Support for X1830 in JZ4780 driver
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Merge tag 'dmaengine-5.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This time we have a bunch of core changes to support dynamic channels,
hotplug of controllers, new apis for metadata ops etc along with new
drivers for Intel data accelerators, TI K3 UDMA, PLX DMA engine and
hisilicon Kunpeng DMA engine. Also usual assorted updates to drivers.
Core:
- Support for dynamic channels
- Removal of various slave wrappers
- Make few slave request APIs as private to dmaengine
- Symlinks between channels and slaves
- Support for hotplug of controllers
- Support for metadata_ops for dma_async_tx_descriptor
- Reporting DMA cached data amount
- Virtual dma channel locking updates
New drivers/device/feature support support:
- Driver for Intel data accelerators
- Driver for TI K3 UDMA
- Driver for PLX DMA engine
- Driver for hisilicon Kunpeng DMA engine
- Support for eDMA support for QorIQ LS1028A in fsl edma driver
- Support for cyclic dma in sun4i driver
- Support for X1830 in JZ4780 driver"
* tag 'dmaengine-5.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (62 commits)
dmaengine: Create symlinks between DMA channels and slaves
dmaengine: hisilicon: Add Kunpeng DMA engine support
dmaengine: idxd: add char driver to expose submission portal to userland
dmaengine: idxd: connect idxd to dmaengine subsystem
dmaengine: idxd: add descriptor manipulation routines
dmaengine: idxd: add sysfs ABI for idxd driver
dmaengine: idxd: add configuration component of driver
dmaengine: idxd: Init and probe for Intel data accelerators
dmaengine: add support to dynamic register/unregister of channels
dmaengine: break out channel registration
x86/asm: add iosubmit_cmds512() based on MOVDIR64B CPU instruction
dmaengine: ti: k3-udma: fix spelling mistake "limted" -> "limited"
dmaengine: s3c24xx-dma: fix spelling mistake "to" -> "too"
dmaengine: Move dma_get_{,any_}slave_channel() to private dmaengine.h
dmaengine: Remove dma_request_slave_channel_compat() wrapper
dmaengine: Remove dma_device_satisfies_mask() wrapper
dt-bindings: fsl-imx-sdma: Add i.MX8MM/i.MX8MN/i.MX8MP compatible string
dmaengine: zynqmp_dma: fix burst length configuration
dmaengine: sun4i: Add support for cyclic requests with dedicated DMA
dmaengine: fsl-qdma: fix duplicated argument to &&
...
* Enable thermal policy for ASUS TUF FX705DY/FX505DY
* Support left round button on ASUS N56VB
* Support new Mellanox platforms of basic class VMOD0009 and VMOD0010
* Intel Comet Lake, Tiger Lake and Elkhart Lake support in the PMC driver
* Big clean up to Intel PMC core, PMC IPC and SCU IPC drivers
* Touchscreen support for the PiPO W11 tablet
The following is an automated git shortlog grouped by driver:
asus-nb-wmi:
- Support left round button on N56VB
asus-wmi:
- Fix keyboard brightness cannot be set to 0
- Set throttle thermal policy to default
- Support throttle thermal policy
Documentation/ABI:
- Add new attribute for mlxreg-io sysfs interfaces
- Style changes
- Add missed attribute for mlxreg-io sysfs interfaces
- Fix documentation inconsistency for mlxreg-io sysfs interfaces
GPD pocket fan:
- Allow somewhat lower/higher temperature limits
- Use default values when wrong modparams are given
intel_atomisp2_pm:
- Spelling fixes
- Refactor timeout loop
intel_mid_powerbtn:
- Take a copy of ddata
intel_pmc_core:
- update Comet Lake platform driver
- Fix spelling of MHz unit
- Fix indentation in function definitions
- Put more stuff under #ifdef DEBUG_FS
- Respect error code of kstrtou32_from_user()
- Add Intel Elkhart Lake support
- Add Intel Tiger Lake support
- Make debugfs entry for pch_ip_power_gating_status conditional
- Create platform dependent bitmap structs
- Remove unnecessary assignments
- Clean up: Remove comma after the termination line
intel_pmc_ipc:
- Switch to use driver->dev_groups
- Propagate error from kstrtoul()
- Use octal permissions in sysfs attributes
- Get rid of unnecessary includes
- Drop ipc_data_readb()
- Drop intel_pmc_gcr_read() and intel_pmc_gcr_write()
- Make intel_pmc_ipc_raw_cmd() static
- Make intel_pmc_ipc_simple_command() static
- Make intel_pmc_gcr_update() static
intel_scu_ipc:
- Reformat kernel-doc comments of exported functions
- Drop intel_scu_ipc_raw_command()
- Drop intel_scu_ipc_io[read|write][8|16]()
- Drop unused macros
- Drop unused prototype intel_scu_ipc_fw_update()
- Sleeping is fine when polling
- Drop intel_scu_ipc_i2c_cntrl()
- Remove Lincroft support
- Add constants for register offsets
- Fix interrupt support
intel_scu_ipcutil:
- Remove default y from Kconfig
intel_telemetry_debugfs:
- Respect error code of kstrtou32_from_user()
intel_telemetry_pltdrv:
- use devm_platform_ioremap_resource()
mlx-platform:
- Add support for next generation systems
- Add support for new capability register
- Add support for new system type
- Set system mux configuration based on system type
- Add more definitions for system attributes
- Cosmetic changes
platform/mellanox:
- mlxreg-hotplug: Add support for new capability register
- fix potential deadlock in the tmfifo driver
tools/power/x86/intel-speed-select:
- Update version
- Change the order for clos disable
- Fix result display for turbo-freq auto mode
- Add support for core-power discovery
- Allow additional core-power mailbox commands
- Update MAINTAINERS for the intel uncore frequency control
- Add support for Uncore frequency control
touchscreen_dmi:
- Fix indentation in several places
- Add info for the PiPO W11 tablet
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Merge tag 'platform-drivers-x86-v5.6-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- Enable thermal policy for ASUS TUF FX705DY/FX505DY
- Support left round button on ASUS N56VB
- Support new Mellanox platforms of basic class VMOD0009 and VMOD0010
- Intel Comet Lake, Tiger Lake and Elkhart Lake support in the PMC
driver
- Big clean-up to Intel PMC core, PMC IPC and SCU IPC drivers
- Touchscreen support for the PiPO W11 tablet
* tag 'platform-drivers-x86-v5.6-1' of git://git.infradead.org/linux-platform-drivers-x86: (64 commits)
platform/x86: intel_pmc_ipc: Switch to use driver->dev_groups
platform/x86: intel_pmc_ipc: Propagate error from kstrtoul()
platform/x86: intel_pmc_ipc: Use octal permissions in sysfs attributes
platform/x86: intel_pmc_ipc: Get rid of unnecessary includes
platform/x86: intel_pmc_ipc: Drop ipc_data_readb()
platform/x86: intel_pmc_ipc: Drop intel_pmc_gcr_read() and intel_pmc_gcr_write()
platform/x86: intel_pmc_ipc: Make intel_pmc_ipc_raw_cmd() static
platform/x86: intel_pmc_ipc: Make intel_pmc_ipc_simple_command() static
platform/x86: intel_pmc_ipc: Make intel_pmc_gcr_update() static
platform/x86: intel_scu_ipc: Reformat kernel-doc comments of exported functions
platform/x86: intel_scu_ipc: Drop intel_scu_ipc_raw_command()
platform/x86: intel_scu_ipc: Drop intel_scu_ipc_io[read|write][8|16]()
platform/x86: intel_scu_ipc: Drop unused macros
platform/x86: intel_scu_ipc: Drop unused prototype intel_scu_ipc_fw_update()
platform/x86: intel_scu_ipc: Sleeping is fine when polling
platform/x86: intel_scu_ipc: Drop intel_scu_ipc_i2c_cntrl()
platform/x86: intel_scu_ipc: Remove Lincroft support
platform/x86: intel_scu_ipc: Add constants for register offsets
platform/x86: intel_scu_ipc: Fix interrupt support
platform/x86: intel_scu_ipcutil: Remove default y from Kconfig
...
- Convert to reasonable timeouts for all CMD6 commands (updates for BKOPS,
CACHE_FLUSH and INAND_CMD38_ARG_EXT_CSD) for eMMC
- Respect f_max clock rate at card initialization
- Add gpiod_toggle_active_low() API
- Consolidate slot-gpio code by using gpiod_toggle_active_low()
MMC host:
- Add pinctrl_select_default_state() API
- Consolidate pintctrl code by using pinctrl_select_default_state()
- mmci: Support any block sizes for SDIO for some variants
- mmci: Enable reset control for stm32_sdmmc
- mmc_spi: Toggle SPI_CS_HIGH polarity rather than hard-coding it
- renesas_sdhi: Add support for the r8a77961 variant
- renesas_sdhi: A few minor improvements
- rockchip-dw-mshc: Add support for the rk3308 variant
- sdhci: Enable support for external DMA controllers
- sdhci: Fixup error path when sending CMD12
- sdhci-brcmstb: Add support for 7216b0 variant
- sdhci-brcmstb: Add support for command queuing (CQHCI)
- sdhci-brcmstb: Add support for eMMC HS400ES mode
- sdhci-msm: Add support for the sc7180 variant
- sdhci-msm: Add support for command queuing (CQHCI)
- sdhci-of-at91: Add support for the SAM9x60 variant
- sdhci-of-at91: Improve support for tunings
- sdhci-of-esdhc: A few fixups for some clock related issues
- sdhci-omap: Add support for the am335x and the am437x variants
- sdhci-omap: Improve support for erase operations
- sdhci-omap: Add support for external DMA
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Merge tag 'mmc-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"There are no updates for the MEMSTICK subsystem this time. But note
that I am also carrying a patch from the pinctrl tree, which has been
shared through an immutable branch.
Summary:
MMC core:
- Convert to reasonable timeouts for all CMD6 commands (updates for
BKOPS, CACHE_FLUSH and INAND_CMD38_ARG_EXT_CSD) for eMMC
- Respect f_max clock rate at card initialization
- Add gpiod_toggle_active_low() API
- Consolidate slot-gpio code by using gpiod_toggle_active_low()
MMC host:
- Add pinctrl_select_default_state() API
- Consolidate pintctrl code by using pinctrl_select_default_state()
- mmci: Support any block sizes for SDIO for some variants
- mmci: Enable reset control for stm32_sdmmc
- mmc_spi: Toggle SPI_CS_HIGH polarity rather than hard-coding it
- renesas_sdhi: Add support for the r8a77961 variant
- renesas_sdhi: A few minor improvements
- rockchip-dw-mshc: Add support for the rk3308 variant
- sdhci: Enable support for external DMA controllers
- sdhci: Fixup error path when sending CMD12
- sdhci-brcmstb: Add support for 7216b0 variant
- sdhci-brcmstb: Add support for command queuing (CQHCI)
- sdhci-brcmstb: Add support for eMMC HS400ES mode
- sdhci-msm: Add support for the sc7180 variant
- sdhci-msm: Add support for command queuing (CQHCI)
- sdhci-of-at91: Add support for the SAM9x60 variant
- sdhci-of-at91: Improve support for tunings
- sdhci-of-esdhc: A few fixups for some clock related issues
- sdhci-omap: Add support for the am335x and the am437x variants
- sdhci-omap: Improve support for erase operations
- sdhci-omap: Add support for external DMA"
* tag 'mmc-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (89 commits)
mmc: core: Default to generic_cmd6_time as timeout in __mmc_switch()
mmc: block: Use generic_cmd6_time when modifying INAND_CMD38_ARG_EXT_CSD
mmc: core: Specify timeouts for BKOPS and CACHE_FLUSH for eMMC
mmc: sdhci-cadence: remove unneeded 'inline' marker
dt-bindings: mmc: rockchip-dw-mshc: add description for rk3308
dt-bindings: mmc: convert rockchip dw-mshc bindings to yaml
dt-bindings: mmc: convert synopsys dw-mshc bindings to yaml
mmc: sdhci-msm: Add CQHCI support for sdhci-msm
mmc: sdhci: Let a vendor driver supply and update ADMA descriptor size
mmc: sdhci-of-esdhc: fix serious issue clock is always disabled
mmc: sdhci-of-esdhc: fix transfer mode register reading
mmc: sdhci-brcmstb: Fix incorrect switch to HS mode
mmc: sdhci-brcmstb: Add support for Command Queuing (CQE)
mmc: sdhci-brcmstb: Add shutdown callback
mmc: sdhci-brcmstb: Fix driver to defer on clk_get defer
mmc: sdhci-brcmstb: Add ability to use HS400ES transfer mode
dt-bindings: mmc: brcm,sdhci-brcmstb: Add support for 7216b0
mmc: core: limit probe clock frequency to configured f_max
mmc: sdhci-milbeaut: Remove redundant platform_get_irq error message
mmc: sdhci: fix an issue of mixing different types
...
- Make i3c_bus_set_mode() static
* Driver changes:
- Add a per-SoC data_hold_delay property to the Cadence driver
- Fix formatting issues in the 'CADENCE I3C MASTER IP' MAINTAINERS entry
- Use devm_platform_ioremap_resource() where appropriate
- Adjust DesignWare reattach logic
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Merge tag 'i3c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Boris Brezillon:
"Core changes:
- Make i3c_bus_set_mode() static
Driver changes:
- Add a per-SoC data_hold_delay property to the Cadence driver
- Fix formatting issues in the 'CADENCE I3C MASTER IP' MAINTAINERS
entry
- Use devm_platform_ioremap_resource() where appropriate
- Adjust DesignWare reattach logic"
* tag 'i3c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: dw: reattach device on first available location of address table
i3c: master: cdns: convert to devm_platform_ioremap_resource
i3c: master: dw: convert to devm_platform_ioremap_resource
MAINTAINERS: fix style in CADENCE I3C MASTER IP entry
i3c: master: make i3c_bus_set_mode static
i3c: master: cdns: add data hold delay support
core:
- Add support for enable attributes to hwmon core
- Add intrusion templates
pmbus:
- Support for Infineon Multi-phase xdpe122 family controllers
- Support for Intel IMVP9 and AMD 6.25mV modes
- Support for vid mode detection per page bases
- Detect if chip is write protected
- Support for MAX20730, MAX20734, MAX20743, MAX20796, UCD90320, TPS53688
- Various improvements to ibm-cffps driver
k10temp:
- Support for additional temperature sensors as well as voltage and
current telemetry for Zen CPUs
w83627ehf:
- Remove support for NCT6775, NCT6776 (they have their own driver)
New drivers:
- ADM1177
- MAX31730
- Driver for disk and solid state drives with temperature sensors
Other:
- pwm-fan: stop fan on shutdown
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Merge tag 'hwmon-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"core:
- Add support for enable attributes to hwmon core
- Add intrusion templates
pmbus:
- Support for Infineon Multi-phase xdpe122 family controllers
- Support for Intel IMVP9 and AMD 6.25mV modes
- Support for vid mode detection per page bases
- Detect if chip is write protected
- Support for MAX20730, MAX20734, MAX20743, MAX20796, UCD90320,
TPS53688
- Various improvements to ibm-cffps driver
k10temp:
- Support for additional temperature sensors as well as voltage and
current telemetry for Zen CPUs
w83627ehf:
- Remove support for NCT6775, NCT6776 (they have their own driver)
New drivers:
- ADM1177
- MAX31730
- Driver for disk and solid state drives with temperature sensors
Other:
- pwm-fan: stop fan on shutdown"
* tag 'hwmon-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (35 commits)
hwmon: (k10temp) Display up to eight sets of CCD temperatures
hwmon: (k10temp) Add debugfs support
hwmon: (k10temp) Don't show temperature limits on Ryzen (Zen) CPUs
hwmon: (k10temp) Show core and SoC current and voltages on Ryzen CPUs
hwmon: (k10temp) Report temperatures per CPU die
hmon: (k10temp) Convert to use devm_hwmon_device_register_with_info
hwmon: (k10temp) Use bitops
hwmon: (pwm-fan) stop fan on shutdown
MAINTAINERS: add entry for ADM1177 driver
dt-binding: hwmon: Add documentation for ADM1177
hwmon: (adm1177) Add ADM1177 Hot Swap Controller and Digital Power Monitor driver
docs: hwmon: Include 'xdpe12284.rst' into docs
hwmon: (pmbus) Add support for Infineon Multi-phase xdpe122 family controllers
hwmon: (pmbus/tps53679) Extend device list supported by driver
hwmon: (pmbus/core) Add support for Intel IMVP9 and AMD 6.25mV modes
hwmon: (pmbus/core) Add support for vid mode detection per page bases
hwmon: (pmbus/ibm-cffps) Prevent writing on_off_config with bad data
hwmon: (w83627ehf) Remove set but not used variable 'fan4min'
hwmon: Driver for disk and solid state drives with temperature sensors
hwmon: (pmbus/ibm-cffps) Fix the LED behavior when turned off
...
Added maintainers entry for Marvell OcteonTX2 SOC's physical
function NIC driver.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added high level overview of OcteonTx2 RVU HW and functionality of
various drivers which will be upstreamed.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* pm-core:
PM-runtime: add tracepoints for usage_count changes
* powercap:
powercap/intel_rapl: add support for JasperLake
x86/cpu: Add Jasper Lake to Intel family
powercap/intel_rapl: add support for TigerLake Mobile
* pm-opp:
opp: Replace list_kref with a local counter
opp: Free static OPPs on errors while adding them
* pm-avs:
power: avs: qcom-cpr: remove duplicated include from qcom-cpr.c
power: avs: fix uninitialized error return on failed cpr_read_fuse_uV() call
power: avs: qcom-cpr: make cpr_get_opp_hz_for_req() static
power: avs: qcom-cpr: remove set but unused variable
power: avs: qcom-cpr: make sure that regmap is available
power: avs: qcom-cpr: fix unsigned expression compared with zero
power: avs: qcom-cpr: fix invalid printk specifier in debug print
power: avs: Add support for CPR (Core Power Reduction)
dt-bindings: power: avs: Add support for CPR (Core Power Reduction)
* pm-misc:
mailmap: Add entry for <rjw@sisk.pl>
Second set of patches for v5.6. Nothing special standing out, smaller
new features and fixes allover.
Major changes:
ar5523
* add support for SMCWUSBT-G2 USB device
iwlwifi
* support new versions of the FTM FW APIs
* support new version of the beacon template FW API
* print some extra information when the driver is loaded
rtw88
* support wowlan feature for 8822c
* add support for WIPHY_WOWLAN_NET_DETECT
brcmfmac
* add initial support for monitor mode
qtnfmac
* add module parameter to enable DFS offloading in firmware
* add support for STA HE rates
* add support for TWT responder and spatial reuse
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Merge tag 'wireless-drivers-next-2020-01-26' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for v5.6
Second set of patches for v5.6. Nothing special standing out, smaller
new features and fixes allover.
Major changes:
ar5523
* add support for SMCWUSBT-G2 USB device
iwlwifi
* support new versions of the FTM FW APIs
* support new version of the beacon template FW API
* print some extra information when the driver is loaded
rtw88
* support wowlan feature for 8822c
* add support for WIPHY_WOWLAN_NET_DETECT
brcmfmac
* add initial support for monitor mode
qtnfmac
* add module parameter to enable DFS offloading in firmware
* add support for STA HE rates
* add support for TWT responder and spatial reuse
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
* acpica:
ACPICA: Update version to 20200110
ACPICA: All acpica: Update copyrights to 2020 Including tool signons.
ACPICA: Update the list of maintainers
ACPICA: Update version to 20191213
ACPICA: Dispatcher: always generate buffer objects for ASL create_field() operator
ACPICA: acpisrc: add unix line ending support for non-windows build
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
ACPICA: debugger: fix spelling mistake "adress" -> "address"
This patch adds the support for allwinner thermal sensor, within
allwinner SoC. It will register sensors for thermal framework
and use device tree to bind cooling device.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191219172823.1652600-2-anarsoul@gmail.com
As we introduced the idle injection cooling device called
cpuidle_cooling, let's be consistent and rename the cpu_cooling to
cpufreq_cooling as this one mitigates with OPPs changes.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Link: https://lore.kernel.org/r/20191219225317.17158-3-daniel.lezcano@linaro.org
The cpu idle cooling device offers a new method to cool down a CPU by
injecting idle cycles at runtime.
It has some similarities with the intel power clamp driver but it is
actually designed to be more generic and relying on the idle injection
powercap framework.
The idle injection duration is fixed while the running duration is
variable. That allows to have control on the device reactivity for the
user experience.
An idle state powering down the CPU or the cluster will allow to drop
the static leakage, thus restoring the heat capacity of the SoC. It
can be set with a trip point between the hot and the critical points,
giving the opportunity to prevent a hard reset of the system when the
cpufreq cooling fails to cool down the CPU.
With more sophisticated boards having a per core sensor, the idle
cooling device allows to cool down a single core without throttling
the compute capacity of several cpus belonging to the same clock line,
so it could be used in collaboration with the cpufreq cooling device.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20191219225317.17158-2-daniel.lezcano@linaro.org
Remove Nishant Sarmukadam from Maintainer list, as he is no
longer working in NXP.
Signed-off-by: Ganapathi Bhat <ganapathi.bhat@nxp.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
- Conversion of the SiFive PLIC to hierarchical domains
- New SiFive GPIO irqchip driver
- New Aspeed SCI irqchip driver
- New NXP INTMUX irqchip driver
- Additional support for the Meson A1 GPIO irqchip
- First part of the GICv4.1 support
- Assorted fixes
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Merge tag 'irqchip-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier:
- Conversion of the SiFive PLIC to hierarchical domains
- New SiFive GPIO irqchip driver
- New Aspeed SCI irqchip driver
- New NXP INTMUX irqchip driver
- Additional support for the Meson A1 GPIO irqchip
- First part of the GICv4.1 support
- Assorted fixes
Add mptcp_connect tool:
xmit two files back and forth between two processes, several net
namespaces including some adding delays, losses and reordering.
Wrapper script tests that data was transmitted without corruption.
The "-c" command line option for mptcp_connect.sh is there for debugging:
The script will use tcpdump to create one .pcap file per test case, named
according to the namespaces, protocols, and connect address in use.
For example, the first test case writes the capture to
ns1-ns1-MPTCP-MPTCP-10.0.1.1.pcap.
The stderr output from tcpdump is printed after the test completes to
show tcpdump's "packets dropped by kernel" information.
Also check that userspace can't create MPTCP sockets when mptcp.enabled
sysctl is off.
The "-b" option allows to tune/lower send buffer size.
"-m mmap" can be used to test blocking io. Default is non-blocking
io using read/write/poll.
Will run automatically on "make kselftest".
Note that the default timeout of 45 seconds is used even if there is a
"settings" changing it to 450. 45 seconds should be enough in most cases
but this depends on the machine running the tests.
A fix to correctly read the "settings" file has been proposed upstream
but not applied yet. It is not blocking the execution of these new tests
but it would be nice to have it:
https://patchwork.kernel.org/patch/11204935/
Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Co-developed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Co-developed-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implements the infrastructure for MPTCP sockets.
MPTCP sockets open one in-kernel TCP socket per subflow. These subflow
sockets are only managed by the MPTCP socket that owns them and are not
visible from userspace. This commit allows a userspace program to open
an MPTCP socket with:
sock = socket(AF_INET, SOCK_STREAM, IPPROTO_MPTCP);
The resulting socket is simply a wrapper around a single regular TCP
socket, without any of the MPTCP protocol implemented over the wire.
Co-developed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Florian Westphal <fw@strlen.de>
Co-developed-by: Peter Krystad <peter.krystad@linux.intel.com>
Signed-off-by: Peter Krystad <peter.krystad@linux.intel.com>
Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current dts files with 'dwmmc' nodes are manually verified.
In order to automate this process rockchip-dw-mshc.txt
has to be converted to yaml. In the new setup
rockchip-dw-mshc.yaml will inherit properties from
mmc-controller.yaml and synopsys-dw-mshc-common.yaml.
'dwmmc' will no longer be a valid name for a node and
should be changed to 'mmc'.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200116152230.29831-2-jbx6244@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The idxd driver introduces the Intel Data Stream Accelerator [1] that will
be available on future Intel Xeon CPUs. One of the kernel access
point for the driver is through the dmaengine subsystem. It will initially
provide the DMA copy service to the kernel.
Some of the main functionality introduced with this accelerator
are: shared virtual memory (SVM) support, and descriptor submission using
Intel CPU instructions movdir64b and enqcmds. There will be additional
accelerator devices that share the same driver with variations to
capabilities.
This commit introduces the probe and initialization component of the
driver.
[1]: https://software.intel.com/en-us/download/intel-data-streaming-accelerator-preliminary-architecture-specification
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965023991.73301.6186843973135311580.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Convert the generic PCI host binding to DT schema. The derivative Juno,
PLDA XpressRICH3-AXI, and Designware ECAM bindings all just vary in
their compatible strings. The simplest way to convert those to
schema is just add them into the common generic PCI host schema.
The HiSilicon ECAM and Cavium ThunderX PEM bindings have an additional
'reg' entry, but are otherwise the same binding as well.
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Andrew Murray <andrew.murray@arm.com>
Cc: Zhou Wang <wangzhou1@hisilicon.com>
Cc: Will Deacon <will@kernel.org>
Cc: David Daney <david.daney@cavium.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Convert the Arm Versatile PCI host binding to a DT schema.
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Andrew Murray <andrew.murray@arm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
This patch is to replace Tien Hock Loh as Altera PIO maintainer as he
has moved to a different role.
Signed-off-by: Ooi, Joyce <joyce.ooi@intel.com>
Link: https://lore.kernel.org/r/20200103170155.100743-1-joyce.ooi@intel.com
Acked-by: Tien Hock Loh <tien.hock.loh@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Tiger Lake appears to have _HID enumeration, thus driver has been updated
* Coffee Lake-S has the same IP as Sunrisepoint, thus ID has been added
* Baytrail has got more clean ups and bug fixes, such as direct IRQ handling
* Lynxpoint GPIO has been converted to true pin control driver
* The common driver now uses IRQ chip enumeration via GPIO chip
The following is an automated git shortlog grouped by driver:
baytrail:
- Replace WARN with dev_info_once when setting direct-irq pin to output
- Do not clear IRQ flags on direct-irq enabled pins
- Reuse struct intel_pinctrl in the driver
- Use local variable to keep device pointer
- Keep pointer to struct device instead of its container
- Use GPIO direction definitions
- Move IRQ valid mask initialization to a dedicated callback
- Group GPIO IRQ chip initialization
- Allocate IRQ chip dynamic
cherryview:
- Use GPIO direction definitions
intel:
- Pass irqchip when adding gpiochip
- Add GPIO <-> pin mapping ranges via callback
- Share struct intel_pinctrl for wider use
- Use GPIO direction definitions
lynxpoint:
- Update summary in the driver
- Switch to pin control API
- Add GPIO <-> pin mapping ranges via callback
- Implement ->pin_dbg_show()
- Add pin control operations
- Reuse struct intel_pinctrl in the driver
- Add pin control data structures
- Implement intel_gpio_get_direction callback
- Implement ->irq_ack() callback
- Move ownership check to IRQ chip
- Move lp_irq_type() closer to IRQ related routines
- Move ->remove closer to ->probe()
- Extract lp_gpio_acpi_use() for future use
- Convert unsigned to unsigned int
- Switch to memory mapped IO accessors
- Keep pointer to struct device instead of its container
- Relax GPIO request rules
- Assume 2 bits for mode selector
- Use standard pattern for memory allocation
- Use %pR to print IO resource
- Drop useless assignment
- Correct amount of pins
- Use raw_spinlock for locking
- Move GPIO driver to pin controller folder
sunrisepoint:
- Add Coffee Lake-S ACPI ID
- Add missing Interrupt Status register offset
tigerlake:
- Tiger Lake uses _HID enumeration
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Merge tag 'intel-pinctrl-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel
intel-pinctrl for v5.6-1
* Tiger Lake appears to have _HID enumeration, thus driver has been updated
* Coffee Lake-S has the same IP as Sunrisepoint, thus ID has been added
* Baytrail has got more clean ups and bug fixes, such as direct IRQ handling
* Lynxpoint GPIO has been converted to true pin control driver
* The common driver now uses IRQ chip enumeration via GPIO chip
The following is an automated git shortlog grouped by driver:
baytrail:
- Replace WARN with dev_info_once when setting direct-irq pin to output
- Do not clear IRQ flags on direct-irq enabled pins
- Reuse struct intel_pinctrl in the driver
- Use local variable to keep device pointer
- Keep pointer to struct device instead of its container
- Use GPIO direction definitions
- Move IRQ valid mask initialization to a dedicated callback
- Group GPIO IRQ chip initialization
- Allocate IRQ chip dynamic
cherryview:
- Use GPIO direction definitions
intel:
- Pass irqchip when adding gpiochip
- Add GPIO <-> pin mapping ranges via callback
- Share struct intel_pinctrl for wider use
- Use GPIO direction definitions
lynxpoint:
- Update summary in the driver
- Switch to pin control API
- Add GPIO <-> pin mapping ranges via callback
- Implement ->pin_dbg_show()
- Add pin control operations
- Reuse struct intel_pinctrl in the driver
- Add pin control data structures
- Implement intel_gpio_get_direction callback
- Implement ->irq_ack() callback
- Move ownership check to IRQ chip
- Move lp_irq_type() closer to IRQ related routines
- Move ->remove closer to ->probe()
- Extract lp_gpio_acpi_use() for future use
- Convert unsigned to unsigned int
- Switch to memory mapped IO accessors
- Keep pointer to struct device instead of its container
- Relax GPIO request rules
- Assume 2 bits for mode selector
- Use standard pattern for memory allocation
- Use %pR to print IO resource
- Drop useless assignment
- Correct amount of pins
- Use raw_spinlock for locking
- Move GPIO driver to pin controller folder
sunrisepoint:
- Add Coffee Lake-S ACPI ID
- Add missing Interrupt Status register offset
tigerlake:
- Tiger Lake uses _HID enumeration
Second set of fixes for v5.5. There are quite a few patches,
especially on iwlwifi, due to me being on a long break. Libertas also
has a security fix and mt76 a build fix.
iwlwifi
* don't send the PPAG command when PPAG is disabled, since it can cause problems
* a few fixes for a HW bug
* a fix for RS offload;
* a fix for 3168 devices where the NVM tables where the wrong tables were being read
* fix a couple of potential memory leaks in TXQ code
* disable L0S states in all hardware since our hardware doesn't
officially support them anymore (and older versions of the hardware
had instability in these states)
* remove lar_disable parameter since it has been causing issues for
some people who erroneously disable it
* force the debug monitor HW to stop also when debug is disabled,
since it sometimes stays on and prevents low system power states
* don't send IWL_MVM_RXQ_NSSN_SYNC notification due to DMA problems
libertas
* fix two buffer overflows
mt76
* build fix related to CONFIG_MT76_LEDS
* fix off by one in bitrates handling
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Merge tag 'wireless-drivers-2020-01-23' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for v5.5
Second set of fixes for v5.5. There are quite a few patches,
especially on iwlwifi, due to me being on a long break. Libertas also
has a security fix and mt76 a build fix.
iwlwifi
* don't send the PPAG command when PPAG is disabled, since it can cause problems
* a few fixes for a HW bug
* a fix for RS offload;
* a fix for 3168 devices where the NVM tables where the wrong tables were being read
* fix a couple of potential memory leaks in TXQ code
* disable L0S states in all hardware since our hardware doesn't
officially support them anymore (and older versions of the hardware
had instability in these states)
* remove lar_disable parameter since it has been causing issues for
some people who erroneously disable it
* force the debug monitor HW to stop also when debug is disabled,
since it sometimes stays on and prevents low system power states
* don't send IWL_MVM_RXQ_NSSN_SYNC notification due to DMA problems
libertas
* fix two buffer overflows
mt76
* build fix related to CONFIG_MT76_LEDS
* fix off by one in bitrates handling
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
phylink and phylib are interconnected. It makes sense for phylib and
phy driver patches to be also reviewed by the phylink maintainer.
So add Russell King as a designed reviewer of phylib.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I will lose access to my @arm.com email address next week, so
let's update the MAINTAINERS file and map it correctly in
.mailmap
Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
5.6, please pull the following:
- Nicolas adds an entry for the Broadcom STB PCIe Root Complex files for
both BCM7xxx (actual STB SoCs) and BCM2711 (Raspberry Pi 4).
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Merge tag 'arm-soc/for-5.6/maintainers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom SoCs MAINTAINERS file updates for
5.6, please pull the following:
- Nicolas adds an entry for the Broadcom STB PCIe Root Complex files for
both BCM7xxx (actual STB SoCs) and BCM2711 (Raspberry Pi 4).
* tag 'arm-soc/for-5.6/maintainers' of https://github.com/Broadcom/stblinux:
MAINTAINERS: Add brcmstb PCIe controller entry
Link: https://lore.kernel.org/r/20200118032935.1346-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
The Aspeed SOCs provide some interrupts through the System Control
Unit registers. Add an interrupt controller that provides these
interrupts to the system.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/1579123790-6894-3-git-send-email-eajames@linux.ibm.com
Document the Aspeed SCU interrupt controller and add an include file
for the interrupts it provides.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/1579123790-6894-2-git-send-email-eajames@linux.ibm.com
Pull networking fixes from David Miller:
1) Fix non-blocking connect() in x25, from Martin Schiller.
2) Fix spurious decryption errors in kTLS, from Jakub Kicinski.
3) Netfilter use-after-free in mtype_destroy(), from Cong Wang.
4) Limit size of TSO packets properly in lan78xx driver, from Eric
Dumazet.
5) r8152 probe needs an endpoint sanity check, from Johan Hovold.
6) Prevent looping in tcp_bpf_unhash() during sockmap/tls free, from
John Fastabend.
7) hns3 needs short frames padded on transmit, from Yunsheng Lin.
8) Fix netfilter ICMP header corruption, from Eyal Birger.
9) Fix soft lockup when low on memory in hns3, from Yonglong Liu.
10) Fix NTUPLE firmware command failures in bnxt_en, from Michael Chan.
11) Fix memory leak in act_ctinfo, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (91 commits)
cxgb4: reject overlapped queues in TC-MQPRIO offload
cxgb4: fix Tx multi channel port rate limit
net: sched: act_ctinfo: fix memory leak
bnxt_en: Do not treat DSN (Digital Serial Number) read failure as fatal.
bnxt_en: Fix ipv6 RFS filter matching logic.
bnxt_en: Fix NTUPLE firmware command failures.
net: systemport: Fixed queue mapping in internal ring map
net: dsa: bcm_sf2: Configure IMP port for 2Gb/sec
net: dsa: sja1105: Don't error out on disabled ports with no phy-mode
net: phy: dp83867: Set FORCE_LINK_GOOD to default after reset
net: hns: fix soft lockup when there is not enough memory
net: avoid updating qdisc_xmit_lock_key in netdev_update_lockdep_key()
net/sched: act_ife: initalize ife->metalist earlier
netfilter: nat: fix ICMP header corruption on ICMP errors
net: wan: lapbether.c: Use built-in RCU list checking
netfilter: nf_tables: fix flowtable list del corruption
netfilter: nf_tables: fix memory leak in nf_tables_parse_netdev_hooks()
netfilter: nf_tables: remove WARN and add NLA_STRING upper limits
netfilter: nft_tunnel: ERSPAN_VERSION must not be null
netfilter: nft_tunnel: fix null-attribute check
...
/* Background. */
For a very long time, extending openat(2) with new features has been
incredibly frustrating. This stems from the fact that openat(2) is
possibly the most famous counter-example to the mantra "don't silently
accept garbage from userspace" -- it doesn't check whether unknown flags
are present[1].
This means that (generally) the addition of new flags to openat(2) has
been fraught with backwards-compatibility issues (O_TMPFILE has to be
defined as __O_TMPFILE|O_DIRECTORY|[O_RDWR or O_WRONLY] to ensure old
kernels gave errors, since it's insecure to silently ignore the
flag[2]). All new security-related flags therefore have a tough road to
being added to openat(2).
Userspace also has a hard time figuring out whether a particular flag is
supported on a particular kernel. While it is now possible with
contemporary kernels (thanks to [3]), older kernels will expose unknown
flag bits through fcntl(F_GETFL). Giving a clear -EINVAL during
openat(2) time matches modern syscall designs and is far more
fool-proof.
In addition, the newly-added path resolution restriction LOOKUP flags
(which we would like to expose to user-space) don't feel related to the
pre-existing O_* flag set -- they affect all components of path lookup.
We'd therefore like to add a new flag argument.
Adding a new syscall allows us to finally fix the flag-ignoring problem,
and we can make it extensible enough so that we will hopefully never
need an openat3(2).
/* Syscall Prototype. */
/*
* open_how is an extensible structure (similar in interface to
* clone3(2) or sched_setattr(2)). The size parameter must be set to
* sizeof(struct open_how), to allow for future extensions. All future
* extensions will be appended to open_how, with their zero value
* acting as a no-op default.
*/
struct open_how { /* ... */ };
int openat2(int dfd, const char *pathname,
struct open_how *how, size_t size);
/* Description. */
The initial version of 'struct open_how' contains the following fields:
flags
Used to specify openat(2)-style flags. However, any unknown flag
bits or otherwise incorrect flag combinations (like O_PATH|O_RDWR)
will result in -EINVAL. In addition, this field is 64-bits wide to
allow for more O_ flags than currently permitted with openat(2).
mode
The file mode for O_CREAT or O_TMPFILE.
Must be set to zero if flags does not contain O_CREAT or O_TMPFILE.
resolve
Restrict path resolution (in contrast to O_* flags they affect all
path components). The current set of flags are as follows (at the
moment, all of the RESOLVE_ flags are implemented as just passing
the corresponding LOOKUP_ flag).
RESOLVE_NO_XDEV => LOOKUP_NO_XDEV
RESOLVE_NO_SYMLINKS => LOOKUP_NO_SYMLINKS
RESOLVE_NO_MAGICLINKS => LOOKUP_NO_MAGICLINKS
RESOLVE_BENEATH => LOOKUP_BENEATH
RESOLVE_IN_ROOT => LOOKUP_IN_ROOT
open_how does not contain an embedded size field, because it is of
little benefit (userspace can figure out the kernel open_how size at
runtime fairly easily without it). It also only contains u64s (even
though ->mode arguably should be a u16) to avoid having padding fields
which are never used in the future.
Note that as a result of the new how->flags handling, O_PATH|O_TMPFILE
is no longer permitted for openat(2). As far as I can tell, this has
always been a bug and appears to not be used by userspace (and I've not
seen any problems on my machines by disallowing it). If it turns out
this breaks something, we can special-case it and only permit it for
openat(2) but not openat2(2).
After input from Florian Weimer, the new open_how and flag definitions
are inside a separate header from uapi/linux/fcntl.h, to avoid problems
that glibc has with importing that header.
/* Testing. */
In a follow-up patch there are over 200 selftests which ensure that this
syscall has the correct semantics and will correctly handle several
attack scenarios.
In addition, I've written a userspace library[4] which provides
convenient wrappers around openat2(RESOLVE_IN_ROOT) (this is necessary
because no other syscalls support RESOLVE_IN_ROOT, and thus lots of care
must be taken when using RESOLVE_IN_ROOT'd file descriptors with other
syscalls). During the development of this patch, I've run numerous
verification tests using libpathrs (showing that the API is reasonably
usable by userspace).
/* Future Work. */
Additional RESOLVE_ flags have been suggested during the review period.
These can be easily implemented separately (such as blocking auto-mount
during resolution).
Furthermore, there are some other proposed changes to the openat(2)
interface (the most obvious example is magic-link hardening[5]) which
would be a good opportunity to add a way for userspace to restrict how
O_PATH file descriptors can be re-opened.
Another possible avenue of future work would be some kind of
CHECK_FIELDS[6] flag which causes the kernel to indicate to userspace
which openat2(2) flags and fields are supported by the current kernel
(to avoid userspace having to go through several guesses to figure it
out).
[1]: https://lwn.net/Articles/588444/
[2]: https://lore.kernel.org/lkml/CA+55aFyyxJL1LyXZeBsf2ypriraj5ut1XkNDsunRBqgVjZU_6Q@mail.gmail.com
[3]: commit 629e014bb8 ("fs: completely ignore unknown open flags")
[4]: https://sourceware.org/bugzilla/show_bug.cgi?id=17523
[5]: https://lore.kernel.org/lkml/20190930183316.10190-2-cyphar@cyphar.com/
[6]: https://youtu.be/ggD-eb3yPVs
Suggested-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Len Brown has not been active in this part since around 2010 and
confirmed that he is not maintaining this part of the kernel sources
anymore and the git log suggests that nobody is actively maintaining it.
The referenced git tree does not exist. Instead, I found an sfi branch
in Len's kernel git repository, but that has not been updated since 2014;
so that is not worth to be mentioned in MAINTAINERS now anymore either.
Len Brown expects no further systems to be shipped with SFI, so we can
mark it obsolete and schedule it for deletion.
This change was motivated after I found that I could not send any mails
to the sfi-devel mailing list, and that the mailing list does not exist
anymore.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200118082545.23464-1-lukas.bulwahn@gmail.com
The controller serves both the Raspberry Pi 4 (bcm2711) and brcmstb
platforms.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
I've been sitting on these longer than I meant, so the patch count is
a bit higher than ideal for this part of the release. There's also some
reverts of double-applied patches that brings the diffstat up a bit.
With that said, the biggest changes are:
- Revert of duplicate i2c device addition on two Aspeed (BMC) Devicetrees.
- Move of two device nodes that got applied to the wrong part of the
tree on ASpeed G6.
- Regulator fix for Beaglebone X15 (adding 12/5V supplies)
- Use interrupts for keys on Amlogic SM1 to avoid missed polls
In addition to that, there is a collection of smaller DT fixes:
- Power supply assignment fixes for i.MX6
- Fix of interrupt line for magnetometer on i.MX8 Librem5 devkit
- Build fixlets (selects) for davinci/omap2+
- More interrupt number fixes for Stratix10, Amlogic SM1, etc.
- ... and more similar fixes across different platforms
And some non-DT stuff:
- optee fix to register multiple shared pages properly
- Clock calculation fixes for MMP3
- Clock fixes for OMAP as well
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"I've been sitting on these longer than I meant, so the patch count is
a bit higher than ideal for this part of the release. There's also
some reverts of double-applied patches that brings the diffstat up a
bit.
With that said, the biggest changes are:
- Revert of duplicate i2c device addition on two Aspeed (BMC)
Devicetrees.
- Move of two device nodes that got applied to the wrong part of the
tree on ASpeed G6.
- Regulator fix for Beaglebone X15 (adding 12/5V supplies)
- Use interrupts for keys on Amlogic SM1 to avoid missed polls
In addition to that, there is a collection of smaller DT fixes:
- Power supply assignment fixes for i.MX6
- Fix of interrupt line for magnetometer on i.MX8 Librem5 devkit
- Build fixlets (selects) for davinci/omap2+
- More interrupt number fixes for Stratix10, Amlogic SM1, etc.
- ... and more similar fixes across different platforms
And some non-DT stuff:
- optee fix to register multiple shared pages properly
- Clock calculation fixes for MMP3
- Clock fixes for OMAP as well"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
MAINTAINERS: Add myself as the co-maintainer for Actions Semi platforms
ARM: dts: imx7: Fix Toradex Colibri iMX7S 256MB NAND flash support
ARM: dts: imx6sll-evk: Remove incorrect power supply assignment
ARM: dts: imx6sl-evk: Remove incorrect power supply assignment
ARM: dts: imx6sx-sdb: Remove incorrect power supply assignment
ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment
ARM: dts: imx6q-icore-mipi: Use 1.5 version of i.Core MX6DL
ARM: omap2plus: select RESET_CONTROLLER
ARM: davinci: select CONFIG_RESET_CONTROLLER
ARM: dts: aspeed: rainier: Fix fan fault and presence
ARM: dts: aspeed: rainier: Remove duplicate i2c busses
ARM: dts: aspeed: tacoma: Remove duplicate flash nodes
ARM: dts: aspeed: tacoma: Remove duplicate i2c busses
ARM: dts: aspeed: tacoma: Fix fsi master node
ARM: dts: aspeed-g6: Fix FSI master location
ARM: dts: mmp3: Fix the TWSI ranges
clk: mmp2: Fix the order of timer mux parents
ARM: mmp: do not divide the clock rate
arm64: dts: rockchip: Fix IR on Beelink A1
optee: Fix multi page dynamic shm pool alloc
...
Since I've been doing the maintainership work for couple of cycles, we've
decided to add myself as the co-maintainer along with Andreas.
Link: https://lore.kernel.org/r/20200114084348.25659-2-manivannan.sadhasivam@linaro.org
Cc: "Andreas Färber" <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
The justification of a light version of the parport driver was less
overhead for embedded systems. Well, today, even if an embedded system
still has a parport, it surely can handle the fully-fledged parport
driver. Remove it to reduce the maintenance burden.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Some PLX Switches can expose DMA engines via extra PCI functions
on the upstream port. Each function will have one DMA channel.
This patch is just the core PCI driver skeleton and dma
engine registration.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Link: https://lore.kernel.org/r/20200103212021.2881-2-logang@deltatee.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Michael Ellerman made a call for volunteers from NXP to maintain
this driver and I offered myself.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Timur Tabi <timur@kernel.org>
Link: https://lore.kernel.org/r/20200114110012.17351-1-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Time Namespace isolates clock values.
The kernel provides access to several clocks CLOCK_REALTIME,
CLOCK_MONOTONIC, CLOCK_BOOTTIME, etc.
CLOCK_REALTIME
System-wide clock that measures real (i.e., wall-clock) time.
CLOCK_MONOTONIC
Clock that cannot be set and represents monotonic time since
some unspecified starting point.
CLOCK_BOOTTIME
Identical to CLOCK_MONOTONIC, except it also includes any time
that the system is suspended.
For many users, the time namespace means the ability to changes date and
time in a container (CLOCK_REALTIME). Providing per namespace notions of
CLOCK_REALTIME would be complex with a massive overhead, but has a dubious
value.
But in the context of checkpoint/restore functionality, monotonic and
boottime clocks become interesting. Both clocks are monotonic with
unspecified starting points. These clocks are widely used to measure time
slices and set timers. After restoring or migrating processes, it has to be
guaranteed that they never go backward. In an ideal case, the behavior of
these clocks should be the same as for a case when a whole system is
suspended. All this means that it is required to set CLOCK_MONOTONIC and
CLOCK_BOOTTIME clocks, which can be achieved by adding per-namespace
offsets for clocks.
A time namespace is similar to a pid namespace in the way how it is
created: unshare(CLONE_NEWTIME) system call creates a new time namespace,
but doesn't set it to the current process. Then all children of the process
will be born in the new time namespace, or a process can use the setns()
system call to join a namespace.
This scheme allows setting clock offsets for a namespace, before any
processes appear in it.
All available clone flags have been used, so CLONE_NEWTIME uses the highest
bit of CSIGNAL. It means that it can be used only with the unshare() and
the clone3() system calls.
[ tglx: Adjusted paragraph about clone3() to reality and massaged the
changelog a bit. ]
Co-developed-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://criu.org/Time_namespace
Link: https://lists.openvz.org/pipermail/criu/2018-June/041504.html
Link: https://lore.kernel.org/r/20191112012724.250792-4-dima@arista.com
Add an entry for drivers/platform/x86/intel-uncore-frequency.c.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add a documentation for extended boot config under
admin-guide, since it is including the syntax of boot config.
Link: http://lkml.kernel.org/r/157867230658.17873.9309879174829924324.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Add /proc/bootconfig which shows the list of key-value pairs
in boot config. Since after boot, all boot configs and tree
are removed, this interface just keep a copy of key-value
pairs in text.
Link: http://lkml.kernel.org/r/157867225967.17873.12155805787236073787.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Add "bootconfig" command which operates the bootconfig
config-data on initrd image.
User can add/delete/verify the boot config on initrd
image using this command.
e.g.
Add a boot config to initrd image
# bootconfig -a myboot.conf /boot/initrd.img
Remove it.
# bootconfig -d /boot/initrd.img
Or verify (and show) it.
# bootconfig /boot/initrd.img
Link: http://lkml.kernel.org/r/157867223582.17873.14342161849213219982.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
[ Removed extra blank line at end of bootconfig.c ]
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Extra Boot Config (XBC) allows admin to pass a tree-structured
boot configuration file when boot up the kernel. This extends
the kernel command line in an efficient way.
Boot config will contain some key-value commands, e.g.
key.word = value1
another.key.word = value2
It can fold same keys with braces, also you can write array
data. For example,
key {
word1 {
setting1 = data
setting2
}
word2.array = "val1", "val2"
}
User can access these key-value pair and tree structure via
SKC APIs.
Link: http://lkml.kernel.org/r/157867221257.17873.1775090991929862549.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Add a VMX-specific variant of X86_FEATURE_* flags, which will eventually
supplant the synthetic VMX flags defined in cpufeatures word 8. Use the
Intel-defined layouts for the major VMX execution controls so that their
word entries can be directly populated from their respective MSRs, and
so that the VMX_FEATURE_* flags can be used to define the existing bit
definitions in asm/vmx.h, i.e. force developers to define a VMX_FEATURE
flag when adding support for a new hardware feature.
The majority of Intel's (and compatible CPU's) VMX capabilities are
enumerated via MSRs and not CPUID, i.e. querying /proc/cpuinfo doesn't
naturally provide any insight into the virtualization capabilities of
VMX enabled CPUs. Commit
e38e05a858 ("x86: extended "flags" to show virtualization HW feature
in /proc/cpuinfo")
attempted to address the issue by synthesizing select VMX features into
a Linux-defined word in cpufeatures.
Lack of reporting of VMX capabilities via /proc/cpuinfo is problematic
because there is no sane way for a user to query the capabilities of
their platform, e.g. when trying to find a platform to test a feature or
debug an issue that has a hardware dependency. Lack of reporting is
especially problematic when the user isn't familiar with VMX, e.g. the
format of the MSRs is non-standard, existence of some MSRs is reported
by bits in other MSRs, several "features" from KVM's point of view are
enumerated as 3+ distinct features by hardware, etc...
The synthetic cpufeatures approach has several flaws:
- The set of synthesized VMX flags has become extremely stale with
respect to the full set of VMX features, e.g. only one new flag
(EPT A/D) has been added in the the decade since the introduction of
the synthetic VMX features. Failure to keep the VMX flags up to
date is likely due to the lack of a mechanism that forces developers
to consider whether or not a new feature is worth reporting.
- The synthetic flags may incorrectly be misinterpreted as affecting
kernel behavior, i.e. KVM, the kernel's sole consumer of VMX,
completely ignores the synthetic flags.
- New CPU vendors that support VMX have duplicated the hideous code
that propagates VMX features from MSRs to cpufeatures. Bringing the
synthetic VMX flags up to date would exacerbate the copy+paste
trainwreck.
Define separate VMX_FEATURE flags to set the stage for enumerating VMX
capabilities outside of the cpu_has() framework, and for adding
functional usage of VMX_FEATURE_* to help ensure the features reported
via /proc/cpuinfo is up to date with respect to kernel recognition of
VMX capabilities.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20191221044513.21680-10-sean.j.christopherson@intel.com
My Netronome email address may become inactive soon.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Several drivers document what parameters they support in
a devlink-params-*.txt file. This file is supposed to contain both the
list of generic parameters implemented by the driver, as well as a list
of driver-specific parameters and their descriptions.
It would also be good if the driver documentation included other
driver-specific implementations, such as info versions, devlink
regions, and so forth.
Convert all of these documentation files to reStructuredText, and rename
them to just the driver name. Future changes will include other
driver-specific implementations. Each file will contain a table for the
generic parameters implemented, as well as a separate table for the
driver-specific parameters.
Future sections such as for devlink info versions will be added to these
files. This avoids creating additional devlink-<feature>-<driver> files
for each devlink feature, reducing clutter in the documentation folder.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Ido Schimmel <idosch@mellanox.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Combine the documentation for devlink into a subfolder, and provide an
index.rst file that can be used to generally describe devlink.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds a basic framework for running all the "safe" LKDTM tests. This
will allow easy introspection into any selftest logs to examine the
results of most LKDTM tests.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Converts vfat.txt to the reStructuredText format, improving presentation
without changing the underlying content.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
-----------------------------------------------------------
Changes in v3:
Removed unnecessary markup.
Removed section "BUG REPORTS" as recommended by the maintainer.
Changes in v2:
Refactored long lines as pointed out by Jonathan
Copied the maintainer
Updated the reference in the MAINTAINERS file for vfat
I did not move this into admin-guide, waiting on what the
maintainer has to say about this and also about old sections
in the text, if any.
Link: https://lore.kernel.org/r/20191223010030.434902-1-dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
New device support
* ad7091r5 ADC
- New driver with follow up patch adding scale and vref support.
- DT bindings
* ad7923
- Support for ad7908, ad7918 and ad7928 added to driver.
* bma180
- Support the BMA254 accelerometer. Required fairly substantial rework
to allow for small differences between this an existing parts.
* bma400 accelerometer
- New driver with follow up patch for regulator support.
- DT bindings.
* asc dlhl60d
- New driver support this range of pressure and temperature sensors.
- DT bindings.
* ltc2496 ADC
- New driver to support this ADC.
- Split the existing LTC2497 driver generic component out and reuse.
- DT bindings.
* parallax ping
- New driver supporting ultrasonic and laser tof distance sensors.
- Bindings for these sensors.
New features
* core
- New char type for read_raw returns, used for thermocouple types.
- Rename read_first_n callback to read. The reasons behind the original
naming are lost to the mists of time.
* ad799x
- Allow pm_ops to disable device completely allowing regulator power down.
* bma180
- Enable basic regulator support.
* dmaengine buffer
- Report platform data alignment requirements via new ABI.
* max31856
- Add option to set mains filter rejection frequency and document
new in_temp_filter_notch_center_frequency ABI.
- Add support for configuring HW averaging (oversampling ratio)
- Add runtime configuration of thermocouple type and document new ABI.
* maxim-thermocouple
- Add read only access to thermocouple type using new ABI, includes
adding more specific compatibles to reflect which variant of the
chip is being used.
* mpu6050
- Provide option to support the PMU9150 in package magnetometer directly
rather than via auxiliary bus.
* stm32_adc
- Add overrun interrupt checks to detect if this happens.
* st_lsm6dsx
- Enable the sensor-hub support for lsm6dsm. Includes various reworks to
allow this.
Cleanups and minor fixes
* Subsystem wide
- Tidy up indentation in Kconfig and fix alphabetical order of AD7091R5.
- Drop linux/gpio.h and linux/of_gpio.h from drivers that don't use them.
* ad7266
- Convert to GPIO descriptors.
* ad7303
- Avoid a dance with checking if the regulator is supplied by just
using the optional request interface.
* ad7887
- Simplify channel specification assignment to enable adding more devices.
* ad7923
- Drop some unused and largely pointless defines of BOB_N==N variety.
- Tidy up checkpatch warnings.
- Add missing of_device_id table.
* adf4350
- Convert to GPIO descriptors.
* ak8975
- Convert to GPIO descriptors.
* ADIS library and drivers
- Expand scope of txrx_lock to cover all state and rename as state_lock
- Add unlocked read / write to allow grouping of consecutive calls under
single lock / unlock.
- Add unlocked check_status, reset to allow grouping under single
lock / unlock.
- Remove remaining uses of core mlock for local state protection.
mlock should never be used directly as it protects tightly defined
core IIO device management state.
* adis16240
- Enforce only supported SPI mode on driver load + add DT binding doc.
* atlas-ph-sensor
- Rename to atlas-sensor given it now covers things beyond ph sensors.
* bma180
- Use local dev variable to tidy up code.
- Use c99 style explicity .member assignment to make driver more readable.
* bmp280
- Drop ACPI support. No evidence this was used and appropriate ID is not
registered.
- Allow ACPI to bind device via PRP0001
* dmaengine buffer
- Use dma_request_chan instead of dma_request_slave_channel_reason as that
ABI is going away.
- Add module info to avoid tainting the kernel.
* hts221
- Avoid magic number defines when only used to fill structure elements
that are self describing.
* lm3533
- Drop a stray semicolon.
* max9611
- Cleanup enum handling to be more resilient to future changes.
* mpu6050
- Delete MPU9150 from supported SPI devices as doesn't provide SPI.
- Select I2C_MUX again after kbuild issue fixed elsewhere.
* stm32-timer
- Drop an unnecessary register update.
* ssp_sensors
- Convert to GPIO descriptors.
* st_sensors
- drop !CONFIG_ACPI defines as ACPI_PTR() will stop them being used
anyway.
- Make default platform data structures __maybe_unsued.
- Fill in some missing kernel-doc function parameters.
* st_lsm6dsx
- white space fixes.
- Mark some constants that aren't always used as __maybe_unused.
- Drop of ID table guards as they just pervent use under ACPI.
- Switch to device properties to allow ACPI usage.
* st_uvis25
- Drop acpi.h include as no ACPI APIs used.
* ti-ads1015
- Drop legacy platform data as no one seems to be using it.
- Use the device property API instead of OF specific.
* ti-ads7950
- typo fix in error message.
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Merge tag 'iio-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of new device support, features and cleanups for IIO in the 5.6 cycle
New device support
* ad7091r5 ADC
- New driver with follow up patch adding scale and vref support.
- DT bindings
* ad7923
- Support for ad7908, ad7918 and ad7928 added to driver.
* bma180
- Support the BMA254 accelerometer. Required fairly substantial rework
to allow for small differences between this an existing parts.
* bma400 accelerometer
- New driver with follow up patch for regulator support.
- DT bindings.
* asc dlhl60d
- New driver support this range of pressure and temperature sensors.
- DT bindings.
* ltc2496 ADC
- New driver to support this ADC.
- Split the existing LTC2497 driver generic component out and reuse.
- DT bindings.
* parallax ping
- New driver supporting ultrasonic and laser tof distance sensors.
- Bindings for these sensors.
New features
* core
- New char type for read_raw returns, used for thermocouple types.
- Rename read_first_n callback to read. The reasons behind the original
naming are lost to the mists of time.
* ad799x
- Allow pm_ops to disable device completely allowing regulator power down.
* bma180
- Enable basic regulator support.
* dmaengine buffer
- Report platform data alignment requirements via new ABI.
* max31856
- Add option to set mains filter rejection frequency and document
new in_temp_filter_notch_center_frequency ABI.
- Add support for configuring HW averaging (oversampling ratio)
- Add runtime configuration of thermocouple type and document new ABI.
* maxim-thermocouple
- Add read only access to thermocouple type using new ABI, includes
adding more specific compatibles to reflect which variant of the
chip is being used.
* mpu6050
- Provide option to support the PMU9150 in package magnetometer directly
rather than via auxiliary bus.
* stm32_adc
- Add overrun interrupt checks to detect if this happens.
* st_lsm6dsx
- Enable the sensor-hub support for lsm6dsm. Includes various reworks to
allow this.
Cleanups and minor fixes
* Subsystem wide
- Tidy up indentation in Kconfig and fix alphabetical order of AD7091R5.
- Drop linux/gpio.h and linux/of_gpio.h from drivers that don't use them.
* ad7266
- Convert to GPIO descriptors.
* ad7303
- Avoid a dance with checking if the regulator is supplied by just
using the optional request interface.
* ad7887
- Simplify channel specification assignment to enable adding more devices.
* ad7923
- Drop some unused and largely pointless defines of BOB_N==N variety.
- Tidy up checkpatch warnings.
- Add missing of_device_id table.
* adf4350
- Convert to GPIO descriptors.
* ak8975
- Convert to GPIO descriptors.
* ADIS library and drivers
- Expand scope of txrx_lock to cover all state and rename as state_lock
- Add unlocked read / write to allow grouping of consecutive calls under
single lock / unlock.
- Add unlocked check_status, reset to allow grouping under single
lock / unlock.
- Remove remaining uses of core mlock for local state protection.
mlock should never be used directly as it protects tightly defined
core IIO device management state.
* adis16240
- Enforce only supported SPI mode on driver load + add DT binding doc.
* atlas-ph-sensor
- Rename to atlas-sensor given it now covers things beyond ph sensors.
* bma180
- Use local dev variable to tidy up code.
- Use c99 style explicity .member assignment to make driver more readable.
* bmp280
- Drop ACPI support. No evidence this was used and appropriate ID is not
registered.
- Allow ACPI to bind device via PRP0001
* dmaengine buffer
- Use dma_request_chan instead of dma_request_slave_channel_reason as that
ABI is going away.
- Add module info to avoid tainting the kernel.
* hts221
- Avoid magic number defines when only used to fill structure elements
that are self describing.
* lm3533
- Drop a stray semicolon.
* max9611
- Cleanup enum handling to be more resilient to future changes.
* mpu6050
- Delete MPU9150 from supported SPI devices as doesn't provide SPI.
- Select I2C_MUX again after kbuild issue fixed elsewhere.
* stm32-timer
- Drop an unnecessary register update.
* ssp_sensors
- Convert to GPIO descriptors.
* st_sensors
- drop !CONFIG_ACPI defines as ACPI_PTR() will stop them being used
anyway.
- Make default platform data structures __maybe_unsued.
- Fill in some missing kernel-doc function parameters.
* st_lsm6dsx
- white space fixes.
- Mark some constants that aren't always used as __maybe_unused.
- Drop of ID table guards as they just pervent use under ACPI.
- Switch to device properties to allow ACPI usage.
* st_uvis25
- Drop acpi.h include as no ACPI APIs used.
* ti-ads1015
- Drop legacy platform data as no one seems to be using it.
- Use the device property API instead of OF specific.
* ti-ads7950
- typo fix in error message.
* tag 'iio-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (99 commits)
iio: accel: bma180: BMA254 support
iio: pressure: bmp280: Allow device to be enumerated from ACPI
iio: pressure: bmp280: Drop ACPI support
dt-bindings: iio: adc: convert sd modulator to json-schema
iio: buffer: rename 'read_first_n' callback to 'read'
iio: buffer-dmaengine: Report buffer length requirements
bindings: iio: pressure: Add documentation for dlh driver
dt-bindings: Add asc vendor
iio: pressure: Add driver for DLH pressure sensors
iio: buffer-dmaengine: Add module information
iio: accel: bma180: Use explicit member assignment
iio: accel: bma180: Basic regulator support
iio: accel: bma180: Add dev helper variable
iio: imu: st_lsm6dsx: enable sensor-hub support for lsm6dsm
iio: imu: st_lsm6dsx: rename st_lsm6dsx_shub_read_reg in st_lsm6dsx_shub_read_output
iio: imu: st_lsm6dsx: check if shub_output reg is located in primary page
iio: imu: st_lsm6dsx: check if pull_up is located in primary page
iio: imu: st_lsm6dsx: check if master_enable is located in primary page
iio: imu: st_lsm6dsx: export max num of slave devices in st_lsm6dsx_shub_settings
iio: light: remove unneeded semicolon
...
Add enum value for MPTCP and update config dependencies
v5 -> v6:
- fixed '__unused' field size
Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ungrafting from PRIO bug fixes in net, when merged into net-next,
merge cleanly but create a build failure. The resolution used here is
from Petr Machata.
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull networking fixes from David Miller:
1) Missing netns pointer init in arp_tables, from Florian Westphal.
2) Fix normal tcp SACK being treated as D-SACK, from Pengcheng Yang.
3) Fix divide by zero in sch_cake, from Wen Yang.
4) Len passed to skb_put_padto() is wrong in qrtr code, from Carl
Huang.
5) cmd->obj.chunk is leaked in sctp code error paths, from Xin Long.
6) cgroup bpf programs can be released out of order, fix from Roman
Gushchin.
7) Make sure stmmac debugfs entry name is changed when device name
changes, from Jiping Ma.
8) Fix memory leak in vlan_dev_set_egress_priority(), from Eric
Dumazet.
9) SKB leak in lan78xx usb driver, also from Eric Dumazet.
10) Ridiculous TCA_FQ_QUANTUM values configured can cause loops in fq
packet scheduler, reject them. From Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
tipc: fix wrong connect() return code
tipc: fix link overflow issue at socket shutdown
netfilter: ipset: avoid null deref when IPSET_ATTR_LINENO is present
netfilter: conntrack: dccp, sctp: handle null timeout argument
atm: eni: fix uninitialized variable warning
macvlan: do not assume mac_header is set in macvlan_broadcast()
net: sch_prio: When ungrafting, replace with FIFO
mlxsw: spectrum_qdisc: Ignore grafting of invisible FIFO
MAINTAINERS: Remove myself as co-maintainer for qcom-ethqos
gtp: fix bad unlock balance in gtp_encap_enable_socket
pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM
tipc: remove meaningless assignment in Makefile
tipc: do not add socket.o to tipc-y twice
net: stmmac: dwmac-sun8i: Allow all RGMII modes
net: stmmac: dwmac-sunxi: Allow all RGMII modes
net: usb: lan78xx: fix possible skb leak
net: stmmac: Fixed link does not need MDIO Bus
vlan: vlan_changelink() should propagate errors
vlan: fix memory leak in vlan_dev_set_egress_priority
stmmac: debugfs entry name is not be changed when udev rename device name.
...
I haven't been active for 18 months, and Paul seems to be doing a grand
job, so drop me from MIPS maintainership.
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Paul Burton <paulburton@kernel.org>
The Sony ACX424AKP is a command/videomode DSI panel for
mobile devices. It is used on the ST-Ericsson HREF520
reference design. We support video mode by default, but
it is possible to switch the panel into command mode
by using the bool property "dsi-command-mode".
Cc: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200109072815.334867-1-linus.walleij@linaro.org
As I am no longer with Linaro, I no longer have access to documentation
for this IP. The Linaro email will start bouncing soon.
Vinod is fully capable to maintain this driver by himself, therefore
remove myself as co-maintainer for qcom-ethqos.
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
corresponding cpuidle driver. This support is based upon using the generic
PM domain, which already supports devices belonging to CPUs.
Finally, these is a DTS patch that enables the hierarchical topology to be
used for the Qcom 410c Dragonboard, which supports the PSCI OS-initiated
mode.
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Merge tag 'cpuidle_psci-v5.5-rc4' of git://git.linaro.org/people/ulf.hansson/linux-pm into arm/drivers
Initial support for hierarchical CPU arrangement, managed by PSCI and its
corresponding cpuidle driver. This support is based upon using the generic
PM domain, which already supports devices belonging to CPUs.
Finally, these is a DTS patch that enables the hierarchical topology to be
used for the Qcom 410c Dragonboard, which supports the PSCI OS-initiated
mode.
* tag 'cpuidle_psci-v5.5-rc4' of git://git.linaro.org/people/ulf.hansson/linux-pm: (611 commits)
arm64: dts: Convert to the hierarchical CPU topology layout for MSM8916
cpuidle: psci: Add support for PM domains by using genpd
PM / Domains: Introduce a genpd OF helper that removes a subdomain
cpuidle: psci: Support CPU hotplug for the hierarchical model
cpuidle: psci: Manage runtime PM in the idle path
cpuidle: psci: Prepare to use OS initiated suspend mode via PM domains
cpuidle: psci: Attach CPU devices to their PM domains
cpuidle: psci: Add a helper to attach a CPU to its PM domain
cpuidle: psci: Support hierarchical CPU idle states
cpuidle: psci: Simplify OF parsing of CPU idle state nodes
cpuidle: dt: Support hierarchical CPU idle states
of: base: Add of_get_cpu_state_node() to get idle states for a CPU node
firmware: psci: Export functions to manage the OSI mode
dt: psci: Update DT bindings to support hierarchical PSCI states
cpuidle: psci: Align psci_power_state count with idle state count
Linux 5.5-rc4
locks: print unsigned ino in /proc/locks
riscv: export flush_icache_all to modules
riscv: reject invalid syscalls below -1
riscv: fix compile failure with EXPORT_SYMBOL() & !MMU
...
Link: https://lore.kernel.org/r/20200102160820.3572-1-ulf.hansson@linaro.org
Signed-off-by: Olof Johansson <olof@lixom.net>
Now that Thunderbolt public specification is called USB4 and is coming
from USB IF it makes sense to use linux-usb as mailing list for patches
touching this driver.
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20200108125317.36444-3-mika.westerberg@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'v5.5-rc5' into patchwork
Linux 5.5-rc5
* tag 'v5.5-rc5': (1006 commits)
Linux 5.5-rc5
Documentation: riscv: add patch acceptance guidelines
riscv: prefix IRQ_ macro names with an RV_ namespace
clocksource: riscv: add notrace to riscv_sched_clock
apparmor: fix aa_xattrs_match() may sleep while holding a RCU lock
hexagon: define ioremap_uc
ocfs2: fix the crash due to call ocfs2_get_dlm_debug once less
ocfs2: call journal flush to mark journal as empty after journal recovery when mount
mm/hugetlb: defer freeing of huge pages if in non-task context
mm/gup: fix memory leak in __gup_benchmark_ioctl
mm/oom: fix pgtables units mismatch in Killed process message
fs/posix_acl.c: fix kernel-doc warnings
hexagon: work around compiler crash
hexagon: parenthesize registers in asm predicates
fs/namespace.c: make to_mnt_ns() static
fs/nsfs.c: include headers for missing declarations
fs/direct-io.c: include fs/internal.h for missing prototype
mm: move_pages: return valid node id in status if the page is already on the target node
memcg: account security cred as well to kmemcg
kcov: fix struct layout for kcov_remote_arg
...
Add the missing entry for the file that documents the stmicro Ethernet
driver stmmac.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Deprecate the CONFIG_SECURITY_SELINUX_DISABLE functionality. The
code was originally developed to make it easier for Linux
distributions to support architectures where adding parameters to the
kernel command line was difficult. Unfortunately, supporting runtime
disable meant we had to make some security trade-offs when it came to
the LSM hooks, as documented in the Kconfig help text:
NOTE: selecting this option will disable the '__ro_after_init'
kernel hardening feature for security hooks. Please consider
using the selinux=0 boot parameter instead of enabling this
option.
Fortunately it looks as if that the original motivation for the
runtime disable functionality is gone, and Fedora/RHEL appears to be
the only major distribution enabling this capability at build time
so we are now taking steps to remove it entirely from the kernel.
The first step is to mark the functionality as deprecated and print
an error when it is used (what this patch is doing). As Fedora/RHEL
makes progress in transitioning the distribution away from runtime
disable, we will introduce follow-up patches over several kernel
releases which will block for increasing periods of time when the
runtime disable is used. Finally we will remove the option entirely
once we believe all users have moved to the kernel cmdline approach.
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: Ondrej Mosnacek <omosnace@redhat.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
1. Addition of multiple device support per protocol to enable use of
some procotols by multiple kernel subsystems simultaneously and
corresponding updates to the existing scmi drivers
2. Addition of trace events around the scmi transfer code to measure
any delays and capture anomalies that can also be used during
investigation of some platform firmware related issues
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Merge tag 'scmi-updates-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/drivers
ARM SCMI updates for v5.6
1. Addition of multiple device support per protocol to enable use of
some procotols by multiple kernel subsystems simultaneously and
corresponding updates to the existing scmi drivers
2. Addition of trace events around the scmi transfer code to measure
any delays and capture anomalies that can also be used during
investigation of some platform firmware related issues
* tag 'scmi-updates-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
drivers: firmware: scmi: Extend SCMI transport layer by trace events
include: trace: Add SCMI header with trace events
reset: reset-scmi: Match scmi device by both name and protocol id
hwmon: (scmi-hwmon) Match scmi device by both name and protocol id
cpufreq: scmi: Match scmi device by both name and protocol id
clk: scmi: Match scmi device by both name and protocol id
firmware: arm_scmi: Skip protocol initialisation for additional devices
firmware: arm_scmi: Stash version in protocol init functions
firmware: arm_scmi: Match scmi device by both name and protocol id
firmware: arm_scmi: Add versions and identifier attributes using dev_groups
firmware: arm_scmi: Add names to scmi devices created
firmware: arm_scmi: Skip scmi mbox channel setup for addtional devices
firmware: arm_scmi: Add support for multiple device per protocol
Link: https://lore.kernel.org/r/20191230182956.GA29349@bogus
Signed-off-by: Olof Johansson <olof@lixom.net>
The emails to ks.giri@samsung.com and vipul.pandya@samsung.com bounce
with 550 error code:
host mailin.samsung.com[203.254.224.12] said: 550
5.1.1 Recipient address rejected: User unknown (in reply to RCPT TO
command)"
Drop Girish K S and Vipul Pandya from sxgbe maintainers entry.
Cc: Byungho An <bh74.an@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Several fixes for RISC-V:
- Fix function graph trace support
- Prefix the CSR IRQ_* macro names with "RV_", to avoid collisions
with macros elsewhere in the Linux kernel tree named "IRQ_TIMER"
- Use __pa_symbol() when computing the physical address of a kernel
symbol, rather than __pa()
- Mark the RISC-V port as supporting GCOV
One DT addition:
- Describe the L2 cache controller in the FU540 DT file
One documentation update:
- Add patch acceptance guideline documentation
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Merge tag 'riscv/for-v5.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"Several fixes for RISC-V:
- Fix function graph trace support
- Prefix the CSR IRQ_* macro names with "RV_", to avoid collisions
with macros elsewhere in the Linux kernel tree named "IRQ_TIMER"
- Use __pa_symbol() when computing the physical address of a kernel
symbol, rather than __pa()
- Mark the RISC-V port as supporting GCOV
One DT addition:
- Describe the L2 cache controller in the FU540 DT file
One documentation update:
- Add patch acceptance guideline documentation"
* tag 'riscv/for-v5.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
Documentation: riscv: add patch acceptance guidelines
riscv: prefix IRQ_ macro names with an RV_ namespace
clocksource: riscv: add notrace to riscv_sched_clock
riscv: ftrace: correct the condition logic in function graph tracer
riscv: dts: Add DT support for SiFive L2 cache controller
riscv: gcov: enable gcov for RISC-V
riscv: mm: use __pa_symbol for kernel symbols
Formalize, in kernel documentation, the patch acceptance policy for
arch/riscv. In summary, it states that as maintainers, we plan to
only accept patches for new modules or extensions that have been
frozen or ratified by the RISC-V Foundation.
We've been following these guidelines for the past few months. In the
meantime, we've received quite a bit of feedback that it would be
helpful to have these guidelines formally documented.
Based on a suggestion from Matthew Wilcox, we also add a link to this
file to Documentation/process/index.rst, to make this document easier
to find. The format of this document has also been changed to align
to the format outlined in the maintainer entry profiles, in accordance
with comments from Jon Corbet and Dan Williams.
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Krste Asanovic <krste@berkeley.edu>
Cc: Andrew Waterman <waterman@eecs.berkeley.edu>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
I haven't been active for 18 months, and don't have the hardware set up
to test the img-ir driver, so mark it as orphaned and remove myself as
maintainer.
I used to test this driver using a Minimorph board with Meta based
TZ1090 SoC, but the Meta arch port is long gone from the kernel. The
only remaining platform in-tree using this driver is the Imagination
Pistachio SoC, and the only Pistachio based board with DTS in-tree (MIPS
Creator Ci40) doesn't bring the IR out.
However I presume the IP persists under the guardianship of Sondrel, and
its possible current & future SoCs/boards may continue to use this IP.
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: James Hartley <james.hartley@sondrel.com>
Cc: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Pull networking fixes from David Miller:
1) Fix big endian overflow in nf_flow_table, from Arnd Bergmann.
2) Fix port selection on big endian in nft_tproxy, from Phil Sutter.
3) Fix precision tracking for unbound scalars in bpf verifier, from
Daniel Borkmann.
4) Fix integer overflow in socket rcvbuf check in UDP, from Antonio
Messina.
5) Do not perform a neigh confirmation during a pmtu update over a
tunnel, from Hangbin Liu.
6) Fix DMA mapping leak in dpaa_eth driver, from Madalin Bucur.
7) Various PTP fixes for sja1105 dsa driver, from Vladimir Oltean.
8) Add missing to dummy definition of of_mdiobus_child_is_phy(), from
Geert Uytterhoeven
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits)
hsr: fix slab-out-of-bounds Read in hsr_debugfs_rename()
net/sched: add delete_empty() to filters and use it in cls_flower
tcp: Fix highest_sack and highest_sack_seq
ptp: fix the race between the release of ptp_clock and cdev
net: dsa: sja1105: Reconcile the meaning of TPID and TPID2 for E/T and P/Q/R/S
Documentation: net: dsa: sja1105: Remove text about taprio base-time limitation
net: dsa: sja1105: Remove restriction of zero base-time for taprio offload
net: dsa: sja1105: Really make the PTP command read-write
net: dsa: sja1105: Take PTP egress timestamp by port, not mgmt slot
cxgb4/cxgb4vf: fix flow control display for auto negotiation
mlxsw: spectrum: Use dedicated policer for VRRP packets
mlxsw: spectrum_router: Skip loopback RIFs during MAC validation
net: stmmac: dwmac-meson8b: Fix the RGMII TX delay on Meson8b/8m2 SoCs
net/sched: act_mirred: Pull mac prior redir to non mac_header_xmit device
net_sched: sch_fq: properly set sk->sk_pacing_status
bnx2x: Fix accounting of vlan resources among the PFs
bnx2x: Use appropriate define for vlan credit
of: mdio: Add missing inline to of_mdiobus_child_is_phy() dummy
net: phy: aquantia: add suspend / resume ops for AQR105
dpaa_eth: fix DMA mapping leak
...
Adding trace events would help to measure the speed of the communication
channel. It can be also potentially used helpful during investigation
of some issues platforms which use different transport layer.
Update also MAINTAINERS file with information that the new trace events
are maintained.
Suggested-by: Jim Quinlan <james.quinlan@broadcom.com>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Add a device tree binding documentation for DLH series pressure
sensors.
Signed-off-by: Tomislav Denis <tomislav.denis@avl.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
All Sensors DLH is series of low voltage digital pressure sensors.
Additionally to pressure value sensors deliver a temperature value.
Sensors can be accessed over I2C and SPI, this driver supports
only I2C access.
Signed-off-by: Tomislav Denis <tomislav.denis@avl.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
