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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A very quiet release for regulator, there's some new device support in
existing drivers here and a few fixes but nothing in the core.
Summary:
- New device support for Allwinner AXP813, Dialog DA223/4/5 and
Qualcomm PMI8994"
* tag 'regulator-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: tps65218: remove unused tps_info structure
regulator: tps65218: Fix strobe assignment
regulator: qcom_spmi: Include offset when translating voltages
regulator: qcom_spmi: Add support for pmi8994
regulator: da9211: update for supporting da9223/4/5
ASoC: pfuze100: Remove leading zero from '@08' notation
regulator: axp20x: Simplify axp20x_is_polyphase_slave implementation
regulator: axp20x: Add support for AXP813 regulators
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The GICv3 ITS doesn't really depend on PCI. Only the PCI/MSI
part of it does, and there is no reason not to blow away most
of the irqchip stack because PCI is not selected (though not
selecting PCI seem to be asking for punishment, but hey...).
So let's split the PCI-specific part from the ITS in the Kconfig
file, and let's make that part depend on PCI. Architecture specific
hacks (arch/arm{,64}/Kconfig) will be addressed in a separate patch.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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During console takeover, which happens for all DRM/KMS setups using the
fbdev helpers, fbcon_startup() is called before fbcon_init() and as a
result con2fb_acquire_newinfo() will not be called (info->fbcon_par was
set to non-NULL in fbcon_startup()) to assign ops->info.
This causes the cursor_timer_handler() to unreference a NULL pointer.
Avoid this by unconditionally assigning ops->info during fbcon_startup()
so that it will be available early, but keep the additional assignment
in con2fb_acquire_newinfo() to support console remapping at runtime.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- drivers for MAX31785 and MAX6621
- support for AMD family 17h (Ryzen, Threadripper) temperature sensors
- various driver cleanups and minor improvements
* tag 'hwmon-for-linus-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (30 commits)
dt-bindings: pmbus: Add Maxim MAX31785 documentation
pmbus: Add driver for Maxim MAX31785 Intelligent Fan Controller
hwmon: (aspeed-pwm-tacho) Sort headers
hwmon: (xgene) Minor clean up of ifdef and acpi_match_table reference
hwmon: (max6621) Inverted if condition in max6621_read()
hwmon: (asc7621) remove redundant assignment to newval
hwmon: (xgene) Support hwmon v2
hwmon: (gpio-fan) Fix null pointer dereference at probe
hwmon: (gpio-fan) Convert to use GPIO descriptors
hwmon: (gpio-fan) Rename GPIO line state variables
hwmon: (gpio-fan) Get rid of the gpio alarm struct
hwmon: (gpio-fan) Get rid of platform data struct
hwmon: (gpio-fan) Mandate OF_GPIO and cut pdata path
hwmon: (gpio-fan) Send around device pointer
hwmon: (gpio-fan) Localize platform data
hwmon: (gpio-fan) Use local variable pointers
hwmon: (gpio-fan) Move DT bindings to the right place
Documentation: devicetree: add max6621 device
hwmon: (max6621) Add support for Maxim MAX6621 temperature sensor
hwmon: (w83793) make const array watchdog_minors static, reduces object code size
...
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Pull EDAC updates from Borislav Petkov:
"The usual pile of bugfixes, cleanups and minor driver enhancements.
Worth noting are the changes to ghes_edac to use a whitelist of
known-good platforms on which GHES error reporting works relatively
reliably. By Toshi Kani and Borislav Petkov"
* tag 'edac_for_4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC, sb_edac: Fix missing break in switch
MAINTAINERS: Split Cavium EDAC entry and add myself
EDAC, sb_edac: Fix missing DIMM sysfs entries with KNL SNC2/SNC4 mode
EDAC, skx_edac: Handle systems with segmented PCI busses
EDAC, thunderx: Remove suspend/resume support
EDAC, skx_edac: Fix detection of single-rank DIMMs
EDAC, sb_edac: Don't create a second memory controller if HA1 is not present
EDAC: Add owner check to the x86 platform drivers
EDAC: Add helper which returns the loaded platform driver
EDAC, ghes: Add platform check
EDAC, ghes: Model a single, logical memory controller
EDAC, ghes: Remove symbol exports
EDAC: Handle return value of kasprintf()
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Make wait_on_atomic_t() pass the TASK_* mode onto its action function as an
extra argument and make it 'unsigned int throughout.
Also, consolidate a bunch of identical action functions into a default
function that can do the appropriate thing for the mode.
Also, change the argument name in the bit_wait*() function declarations to
reflect the fact that it's the mode and not the bit number.
[Peter Z gives this a grudging ACK, but thinks that the whole atomic_t wait
should be done differently, though he's not immediately sure as to how]
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
cc: Ingo Molnar <mingo@kernel.org>
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These AFS patches need the timer_reduce() patch from timers/core.
Signed-off-by: David Howells <dhowells@redhat.com>
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It's been 3.5 years, let's turn it on by default. Support in rbd(8)
utility goes back to pre-firefly, "rbd map" has been loading the module
with single_major=Y ever since. However, if the module is already
loaded (whether by hand or at boot time), we end up with single_major=N.
Also, some people don't install rbd(8) and use the sysfs interface
directly.
(With single-major=N, a major number is consumed for every mapping,
imposing a limit of ~240 rbd images per host. single-major=Y allows
mapping thousands of rbd images on a single machine.)
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v4.15
The biggest thing this release has been the conversion of the AC98 bus
to the driver model, that's been a long time coming so thanks to Robert
Jarzmik for his dedication there. Due to there being some AC97 MFD
there's a few fairly large changes in input and the MFD layer, mainly to
the wm97xx driver.
There's also some drivers/drm changes to support the new AMD Stoney
platform, these are shared with the DRM subsystem and should be being
merged via both.
Within the subsystem the overwhelming bulk of the changes is in the
Intel drivers which continue to need lots of cleanups and fixes, this
release they've also gained support for their open source firmware.
There's also some large changs in the core as Morimoto-san continues to
mirror operations into the component level in preparation for conversion
of drivers to that.
- The AC97 bus has finally caught up with the driver model thanks to
some dedicated and persistent work from Robert Jarzmik.
- Continued work from Morimoto-san on moving us towards being able to
use components for everything.
- Lots of cleanups for the Intel platform code, including support for
their open source audio firmware.
- Support for scaling MCLK with sample rate in simple-card.
- Support for AMD Stoney platform.
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Pull 4.15 updates to take over the previous urgent fixes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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pr_err() messages should end with a new-line to avoid other messages
being concatenated.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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pr_err() messages should end with a new-line to avoid other messages
being concatenated.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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devices
Heikki discovered a runtime issue with this patch. Taking into
consideration we have no time to test any fix right now, revert the
commit 43aaf4f03f063b12bcba2f8b800fdec85e2acc75.
Reported-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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RBD devices are currently incorrectly initialised with the block queue
discard_alignment set to the underlying RADOS object size.
As per Documentation/ABI/testing/sysfs-block:
The discard_alignment parameter indicates how many bytes the beginning
of the device is offset from the internal allocation unit's natural
alignment.
Correcting the discard_alignment parameter from the RADOS object size to
zero (the blk_set_default_limits() default) has no effect on how discard
requests are propagated through the block layer - @alignment in
__blkdev_issue_discard() remains zero. However, it does fix the UNMAP
granularity alignment value advertised to SCSI initiators via the Block
Limits VPD.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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It is redundant -- rw/ro state is stored in hd_struct and managed by
the block layer.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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->open_count/-EBUSY check is bogus and wrong: when an open device is
set read-only, blkdev_write_iter() refuses further writes with -EPERM.
This is standard behaviour and all other block devices allow this.
set_disk_ro() call is also problematic: we affect the entire device
when called on a single partition.
All rbd_ioctl_set_ro() needs to do is refuse ro -> rw transition for
mapped snapshots. Everything else can be handled by generic code.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Function platform_get_irq_byname() returns a negative error code on
failure, and a zero or positive number on success. However, in function
cpcap_usb_init_irq(), positive IRQ numbers are also taken as error
cases. Use "if (irq < 0)" instead of "if (!irq)" to validate the return
value of platform_get_irq_byname().
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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This is no longer required after commit 959bc7b22bd2
("gpio: Automatically add lockdep keys")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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On the Samsung Chromebook Plus I get this error with 4.14-rc3:
BUG: scheduling while atomic: kworker/3:1/50/0x00000002
Modules linked in:
CPU: 3 PID: 50 Comm: kworker/3:1 Not tainted 4.14.0-0.rc3-kevin #2
Hardware name: Google Kevin (DT)
Workqueue: events analogix_dp_psr_work
Call trace:
[<ffffff80080873b0>] dump_backtrace+0x0/0x320
[<ffffff80080876e4>] show_stack+0x14/0x20
[<ffffff8008606d38>] dump_stack+0x9c/0xbc
[<ffffff80080c6b5c>] __schedule_bug+0x4c/0x70
[<ffffff80086188c0>] __schedule+0x3f0/0x458
[<ffffff8008618960>] schedule+0x38/0xa0
[<ffffff800861c20c>] schedule_hrtimeout_range_clock+0x84/0xe8
[<ffffff800861c2a0>] schedule_hrtimeout_range+0x10/0x18
[<ffffff800861bcec>] usleep_range+0x64/0x78
[<ffffff8008415a6c>] analogix_dp_transfer+0x16c/0x340
[<ffffff8008412550>] analogix_dpaux_transfer+0x10/0x18
[<ffffff80083ceb14>] drm_dp_dpcd_access+0x4c/0xf0
[<ffffff80083cf614>] drm_dp_dpcd_write+0x1c/0x28
[<ffffff8008413b98>] analogix_dp_disable_psr+0x60/0xa8
[<ffffff800840da3c>] analogix_dp_psr_work+0x4c/0x90
[<ffffff80080bb09c>] process_one_work+0x1d4/0x348
[<ffffff80080bb258>] worker_thread+0x48/0x478
[<ffffff80080c11fc>] kthread+0x12c/0x130
[<ffffff8008084290>] ret_from_fork+0x10/0x18
Changing rockchip_dp_device::psr_lock to a mutex rather
than spinlock seems to fix the issue.
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171004175346.11956-1-kernel@esmil.dk
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In xmit process, the variables are set many times. In fact,
it is enough for these variables to be set once.
After a long time test, the throughput performance is better
than before.
CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Joe Jin <joe.jin@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next
Samuel Ortiz says:
====================
NFC 4.15 pull request
This is the NFC pull request for 4.15. We have:
- A new netlink command for explicitly deactivating NFC targets
- i2c constification for all NFC drivers
- One NFC device allocation error path fix
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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On BCM58xx devices (Northstar Plus), there is an accelerator attached to
port 8 which would only work if we use prepended Broadcom tags. Resolve
that difference in our get_tag_protocol() function by setting the
appropriate tagging protocol in that case. We need to change
b53_brcm_hdr_setup() a little bit now since we can deal with two types
of Broadcom tags.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A number of drivers want to check whether the configured CPU port is a
possible configuration for enabling tagging, pass down the CPU port
number so they verify that.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since Mellanox focus is on newer adapters, we would like to have the
ability to disable the support for old gen2 adapters.
This can be done by turning off the MLX4_CORE_GEN2 Kconfig flag.
We keep it turned on by default.
Signed-off-by: Slava Shwartsman <slavash@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable giga_ctrl is being assigned to zero however this is
never read and hence the assignment is redundant, so remove it.
Cleans up clang warning:
drivers/net/ethernet/realtek/r8169.c:1978:3: warning: Value stored
to 'giga_ctrl' is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix embarrassing bug in lan9303_alr_del_port(): Instead of zeroing
entr->mac_addr, I destroyed the next cache entry. Affected .port_fdb_del and
.port_mdb_del.
Fixes: 0620427ea0d6 ("net: dsa: lan9303: Add fdb/mdb manipulation")
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* pm-devfreq:
PM / devfreq: Define the constant governor name
PM / devfreq: Remove unneeded conditional statement
PM / devfreq: Show the all available frequencies
PM / devfreq: Change return type of devfreq_set_freq_table()
PM / devfreq: Use the available min/max frequency
Revert "PM / devfreq: Add show_one macro to delete the duplicate code"
PM / devfreq: Set min/max_freq when adding the devfreq device
* pm-tools:
tools/power/cpupower: add libcpupower.so.0.0.1 to .gitignore
tools/power/cpupower: Add 64 bit library detection
MAINTAINERS: add maintainer for tools/power/cpupower
cpupower: Fix no-rounding MHz frequency output
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* pm-core:
ACPI / PM: Take SMART_SUSPEND driver flag into account
PCI / PM: Take SMART_SUSPEND driver flag into account
PCI / PM: Drop unnecessary invocations of pcibios_pm_ops callbacks
PM / core: Add SMART_SUSPEND driver flag
PCI / PM: Use the NEVER_SKIP driver flag
PM / core: Add NEVER_SKIP and SMART_PREPARE driver flags
PM / core: Convert timers to use timer_setup()
PM / core: Fix kerneldoc comments of four functions
PM / core: Drop legacy class suspend/resume operations
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* pm-sleep:
freezer: Fix typo in freezable_schedule_timeout() comment
PM / s2idle: Clear the events_check_enabled flag
PM / sleep: Remove pm_complete_with_resume_check()
PM: ARM: locomo: Drop suspend and resume bus type callbacks
PM: Use a more common logging style
PM: Document rules on using pm_runtime_resume() in system suspend callbacks
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* acpi-pm:
ACPI / PM: Fix acpi_pm_notifier_lock vs flush_workqueue() deadlock
ACPI / LPSS: Consolidate runtime PM and system sleep handling
ACPI / PM: Combine device suspend routines
ACPI / LPIT: Add Low Power Idle Table (LPIT) support
ACPI / PM: Split code validating need for runtime resume in ->prepare()
ACPI / PM: Restore acpi_subsys_complete()
ACPI / PM: Combine two identical device resume routines
ACPI / PM: Remove stale function header
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* pm-cpufreq-sched:
cpufreq: schedutil: Reset cached_raw_freq when not in sync with next_freq
* pm-opp:
PM / OPP: Add dev_pm_opp_{un}register_get_pstate_helper()
PM / OPP: Support updating performance state of device's power domain
PM / OPP: add missing of_node_put() for of_get_cpu_node()
PM / OPP: Rename dev_pm_opp_register_put_opp_helper()
PM / OPP: Add missing of_node_put(np)
PM / OPP: Move error message to debug level
PM / OPP: Use snprintf() to avoid kasprintf() and kfree()
PM / OPP: Move the OPP directory out of power/
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'acpi-cppc'
* acpi-ec:
ACPI / EC: Fix regression related to triggering source of EC event handling
* acpi-button:
ACPI / button: Delay acpi_lid_initialize_state() until first user space open
* acpi-sysfs:
ACPI / sysfs: Make function param_set_trace_method_name() static
* acpi-lpss:
ACPI / LPSS: Remove redundant initialization of clk
* acpi-cppc:
ACPI / CPPC: Make CPPC ACPI driver aware of PCC subspace IDs
mailbox: PCC: Move the MAX_PCC_SUBSPACES definition to header file
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* acpi-pmic:
ACPI / PMIC: Add TI PMIC TPS68470 operation region driver
* acpi-apei:
APEI / ERST: use 64-bit timestamps
ACPI / APEI: Remove arch_apei_flush_tlb_one()
arm64: mm: Remove arch_apei_flush_tlb_one()
ACPI / APEI: Remove ghes_ioremap_area
ACPI / APEI: Replace ioremap_page_range() with fixmap
ACPI / APEI: remove the unused dead-code for SEA/NMI notification type
ACPI / APEI: adjust a local variable type in ghes_ioremap_pfn_irq()
* acpi-x86:
ACPI / x86: Extend KIOX000A quirk to cover all affected BIOS versions
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* acpica:
ACPICA: Update version to 20170831
ACPICA: Update acpi_get_timer for 64-bit interface to acpi_hw_read
ACPICA: String conversions: Update to add new behaviors
ACPICA: String conversions: Cleanup/format comments. No functional changes
ACPICA: Restructure/cleanup all string-to-integer conversion functions
ACPICA: Header support for the PDTT ACPI table
ACPICA: acpiexec: Add testability of deferred table verification
ACPICA: Hardware: Enable 64-bit support of hardware accesses
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* pm-cpufreq: (22 commits)
cpufreq: stats: Handle the case when trans_table goes beyond PAGE_SIZE
cpufreq: arm_big_little: make cpufreq_arm_bL_ops structures const
cpufreq: arm_big_little: make function arguments and structure pointer const
cpufreq: pxa: convert to clock API
cpufreq: speedstep-lib: mark expected switch fall-through
cpufreq: ti-cpufreq: add missing of_node_put()
cpufreq: dt: Remove support for Exynos4212 SoCs
cpufreq: imx6q: Move speed grading check to cpufreq driver
cpufreq: ti-cpufreq: kfree opp_data when failure
cpufreq: SPEAr: pr_err() strings should end with newlines
cpufreq: powernow-k8: pr_err() strings should end with newlines
cpufreq: dt-platdev: drop socionext,uniphier-ld6b from whitelist
arm64: wire cpu-invariant accounting support up to the task scheduler
arm64: wire frequency-invariant accounting support up to the task scheduler
arm: wire cpu-invariant accounting support up to the task scheduler
arm: wire frequency-invariant accounting support up to the task scheduler
drivers base/arch_topology: allow inlining cpu-invariant accounting support
drivers base/arch_topology: provide frequency-invariant accounting support
cpufreq: dt: invoke frequency-invariance setter function
cpufreq: arm_big_little: invoke frequency-invariance setter function
...
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* pm-cpuidle:
intel_idle: Graceful probe failure when MWAIT is disabled
cpuidle: Avoid assignment in if () argument
cpuidle: Clean up cpuidle_enable_device() error handling a bit
cpuidle: ladder: Add per CPU PM QoS resume latency support
ARM: cpuidle: Refactor rollback operations if init fails
ARM: cpuidle: Correct driver unregistration if init fails
intel_idle: replace conditionals with static_cpu_has(X86_FEATURE_ARAT)
cpuidle: fix broadcast control when broadcast can not be entered
Conflicts:
drivers/idle/intel_idle.c
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* pm-qos:
PM / QoS: Fix device resume latency framework
PM / QoS: Drop PM_QOS_FLAG_REMOTE_WAKEUP
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* pm-domains:
PM / Domains: Fix genpd to deal with drivers returning 1 from ->prepare()
PM / domains: Rework governor code to be more consistent
PM / Domains: Remove gpd_dev_ops.active_wakeup() callback
soc: rockchip: power-domain: Use GENPD_FLAG_ACTIVE_WAKEUP
soc: mediatek: Use GENPD_FLAG_ACTIVE_WAKEUP
ARM: shmobile: pm-rmobile: Use GENPD_FLAG_ACTIVE_WAKEUP
PM / Domains: Allow genpd users to specify default active wakeup behavior
PM / Domains: Add support to select performance-state of domains
PM / Domains: Rename genpd internals from pm_genpd_* to genpd_*
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* pm-pci:
PCI / PM: Add dev_dbg() to print device suspend power states
PCI / PM: Do not resume any devices in pci_pm_prepare()
* pm-avs:
PM / AVS: Use %pS printk format for direct addresses
* pm-docs:
PM: docs: Fix formatting typo in devices.rst
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Fix occasions in acpi_nfit_ctl where we check the command type without
validating whether we are parsing dimm vs bus level commands. Where the
command numbers alias between dimms and bus we can make the wrong
assumption just checking the raw command number. For example, with a
simple nfit_test mock up of the clear-error command we trigger the
following:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000094
IP: acpi_nfit_ctl+0x29b/0x930 [nfit]
[..]
Call Trace:
nfit_test_probe+0xb85/0xc09 [nfit_test]
platform_drv_probe+0x3b/0xa0
? platform_drv_probe+0x3b/0xa0
driver_probe_device+0x29c/0x450
? test_alloc+0x180/0x180 [nfit_test]
__driver_attach+0xe3/0xf0
? driver_probe_device+0x450/0x450
bus_for_each_dev+0x73/0xc0
driver_attach+0x1e/0x20
bus_add_driver+0x173/0x270
driver_register+0x60/0xe0
__platform_driver_register+0x36/0x40
nfit_test_init+0x2a1/0x1000 [nfit_test]
Fixes: 4b27db7e26cd ("acpi, nfit: add support for the _LSI, _LSR, and...")
Reported-by: Vishal Verma <vishal.l.verma@intel.com>
Tested-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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On PowerNV platforms, firmware provides exit latency and
target residency for each of the idle states in nano
seconds. Cpuidle framework expects the values in micro
seconds. Round up to nearest micro seconds to avoid errors
in cases where the values are defined as fractional micro
seconds.
Default idle state of 'snooze' has exit latency of zero. If
other states have fractional micro second exit latency, they
would get rounded down to zero micro second and make cpuidle
framework choose deeper idle state when snooze loop is the
right choice.
Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Fix child-node lookup during initialisation, which ended up searching
the whole device tree depth-first starting at the parent rather than
just matching on its children.
To make things worse, the parent gic node was prematurely freed, while
the ppi-partitions node was leaked.
Fixes: e3825ba1af3a ("irqchip/gic-v3: Add support for partitioned PPIs")
Cc: stable <stable@vger.kernel.org> # 4.7
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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"uuid" must be invisible if both ns->uuid and ns->nguid are unset,
not if either one is.
Fixes: d934f9848a77 "nvme: provide UUID value to userspace"
Signed-off-by: Martin Wilck <mwilck@suse.com>
[hch: rebased to the nvme-4.15 tree to help resolving a conflict]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We are using percpu send window on P9 NX (powerNV) instead of opening
/ closing per each crypto session. Means txwin is removed from
workmem. So we do not need to initialize workmem for each request.
Signed-off-by: Haren Myneni <haren@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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For P9 NX, the send window is opened for each crypto session and
closed upon free. But VAS supports 64K windows per chip for all
coprocessors including in user space support. So there is a
possibility of not getting the window for kernel requests.
This patch reserves windows for each coprocessor type (NX842) and are
available forever for kernel requests, Opens each window for each CPU
on the corresponding chip during driver initialization. So then use
the percpu txwin for NX requests depends on the CPU on which the
process is executing.
Signed-off-by: Haren Myneni <haren@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Define a helper, chip_to_vas_id() to map a given chip id to corresponding
vas id.
Normally, callers of vas_rx_win_open() and vas_tx_win_open() want the VAS
window to be on the same chip where the calling thread is executing. These
callers can pass in -1 for the VAS id.
This interface will be useful if a thread running on one chip wants to open
a window on another chip (like the NX-842 driver does during start up).
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Pull networking fixes from David Miller:
1) Use after free in vlan, from Cong Wang.
2) Handle NAPI poll with a zero budget properly in mlx5 driver, from
Saeed Mahameed.
3) If DMA mapping fails in mlx5 driver, NULL out page, from Inbar
Karmy.
4) Handle overrun in RX FIFO of sun4i CAN driver, from Gerhard
Bertelsmann.
5) Missing return in mdb and vlan prepare phase of DSA layer, from
Vivien Didelot.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
vlan: fix a use-after-free in vlan_device_event()
net: dsa: return after vlan prepare phase
net: dsa: return after mdb prepare phase
can: ifi: Fix transmitter delay calculation
tcp: fix tcp_fastretrans_alert warning
tcp: gso: avoid refcount_t warning from tcp_gso_segment()
can: peak: Add support for new PCIe/M2 CAN FD interfaces
can: sun4i: handle overrun in RX FIFO
can: c_can: don't indicate triple sampling support for D_CAN
net/mlx5e: Increase Striding RQ minimum size limit to 4 multi-packet WQEs
net/mlx5e: Set page to null in case dma mapping fails
net/mlx5e: Fix napi poll with zero budget
net/mlx5: Cancel health poll before sending panic teardown command
net/mlx5: Loop over temp list to release delay events
rds: ib: Fix NULL pointer dereference in debug code
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It's good to have SPDX identifiers in all files to make it easier to
audit the kernel tree for correct licenses.
Update the drivers/staging/lustre files files with the correct SPDX
license identifier based on the license text in the file itself. The
SPDX identifier is a legally binding shorthand, which can be used
instead of the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe
Ombredanne, and Kate Stewart.
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that the SPDX tag is in all greybus files, that identifies the
license in a specific and legally-defined manner. So the extra GPL text
wording can be removed as it is no longer needed at all.
This is done on a quest to remove the 700+ different ways that files in
the kernel describe the GPL license text. And there's unneeded stuff
like the address (sometimes incorrect) for the FSF which is never
needed.
No copyright headers or other non-license-description text was removed.
Cc: Vaibhav Hiremath <hvaibhav.linux@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Vaibhav Agarwal <vaibhav.sr@gmail.com>
Acked-by: David Lin <dtwlin@gmail.com>
Acked-by: Johan Hovold <johan@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Mark Greer <mgreer@animalcreek.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: "Bryan O'Donoghue" <pure.logic@nexus-software.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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