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Simon Wunderlich says:
====================
This feature/cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich
- de-inline hash functions to save memory footprint, by Denys Vlasenko
- Add License information to various files, by Sven Eckelmann (3 patches)
- Change batman_adv.h from ISC to MIT, by Sven Eckelmann
- Improve various includes, by Sven Eckelmann (5 patches)
- Lots of kernel-doc work by Sven Eckelmann (8 patches)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reported-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The drivers/net/wireless/intel/iwlwifi/pcie/drv.c conflict was
resolved using a diff provided by Kalle in his pull request.
Kalle Valo says:
====================
wireless-drivers-next patches for 4.16
A bigger pull request this time, the most visible change being the new
driver mt76. But there's also Kconfig refactoring in ath9k and ath10k,
work beginning in iwlwifi to have rate scaling in firmware/hardware,
wcn3990 support getting closer in ath10k and lots of smaller changes.
mt76
* a new driver for MT76x2e, a 2x2 PCIe 802.11ac chipset by MediaTek
ath10k
* enable multiqueue support for all hw using mac80211 wake_tx_queue op
* new Kconfig option ATH10K_SPECTRAL to save RAM
* show tx stats on QCA9880
* new qcom,ath10k-calibration-variant DT entry
* WMI layer support for wcn3990
ath9k
* new Kconfig option ATH9K_COMMON_SPECTRAL to save RAM
wcn36xx
* hardware scan offload support
wil6210
* run-time PM support when interface is down
iwlwifi
* initial work for rate-scaling offload
* Support for new FW API version 36
* Rename the temporary hw name A000 to 22000
ssb
* make SSB a menuconfig to ease disabling it all
mwl8k
* enable non-DFS 5G channels 149-165
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Johan Hedberg says:
====================
pull request: bluetooth-next 2017-12-18
Here's the first bluetooth-next pull request for the 4.16 kernel.
- hci_ll: multiple cleanups & fixes
- Remove Gustavo Padovan from the MAINTAINERS file
- Support BLE Adversing while connected (if the controller can do it)
- DT updates for TI chips
- Various other smaller cleanups & fixes
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce NETIF_F_GRO_HW feature flag for NICs that support hardware
GRO. With this flag, we can now independently turn on or off hardware
GRO when GRO is on. Previously, drivers were using NETIF_F_GRO to
control hardware GRO and so it cannot be independently turned on or
off without affecting GRO.
Hardware GRO (just like GRO) guarantees that packets can be re-segmented
by TSO/GSO to reconstruct the original packet stream. Logically,
GRO_HW should depend on GRO since it a subset, but we will let
individual drivers enforce this dependency as they see fit.
Since NETIF_F_GRO is not propagated between upper and lower devices,
NETIF_F_GRO_HW should follow suit since it is a subset of GRO. In other
words, a lower device can independent have GRO/GRO_HW enabled or disabled
and no feature propagation is required. This will preserve the current
GRO behavior. This can be changed later if we decide to propagate GRO/
GRO_HW/RXCSUM from upper to lower devices.
Cc: Ariel Elior <Ariel.Elior@cavium.com>
Cc: everest-linux-l2@cavium.com
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Three sets of overlapping changes, two in the packet scheduler
and one in the meson-gxl PHY driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull overlayfs fixes from Miklos Szeredi:
- fix incomplete syncing of filesystem
- fix regression in readdir on ovl over 9p
- only follow redirects when needed
- misc fixes and cleanups
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fix overlay: warning prefix
ovl: Use PTR_ERR_OR_ZERO()
ovl: Sync upper dirty data when syncing overlayfs
ovl: update ctx->pos on impure dir iteration
ovl: Pass ovl_get_nlink() parameters in right order
ovl: don't follow redirects if redirect_dir=off
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Pull arm64 fixes from Will Deacon:
"There are some significant fixes in here for FP state corruption,
hardware access/dirty PTE corruption and an erratum workaround for the
Falkor CPU.
I'm hoping that things finally settle down now, but never say never...
Summary:
- Fix FPSIMD context switch regression introduced in -rc2
- Fix ABI break with SVE CPUID register reporting
- Fix use of uninitialised variable
- Fixes to hardware access/dirty management and sanity checking
- CPU erratum workaround for Falkor CPUs
- Fix reporting of writeable+executable mappings
- Fix signal reporting for RAS errors"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: fpsimd: Fix copying of FP state from signal frame into task struct
arm64/sve: Report SVE to userspace via CPUID only if supported
arm64: fix CONFIG_DEBUG_WX address reporting
arm64: fault: avoid send SIGBUS two times
arm64: hw_breakpoint: Use linux/uaccess.h instead of asm/uaccess.h
arm64: Add software workaround for Falkor erratum 1041
arm64: Define cputype macros for Falkor CPU
arm64: mm: Fix false positives in set_pte_at access/dirty race detection
arm64: mm: Fix pte_mkclean, pte_mkdirty semantics
arm64: Initialise high_memory global variable earlier
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Pull locking fixes from Ingo Molnar:
"Misc fixes:
- Fix a S390 boot hang that was caused by the lock-break logic.
Remove lock-break to begin with, as review suggested it was
unreasonably fragile and our confidence in its continued good
health is lower than our confidence in its removal.
- Remove the lockdep cross-release checking code for now, because of
unresolved false positive warnings. This should make lockdep work
well everywhere again.
- Get rid of the final (and single) ACCESS_ONCE() straggler and
remove the API from v4.15.
- Fix a liblockdep build warning"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tools/lib/lockdep: Add missing declaration of 'pr_cont()'
checkpatch: Remove ACCESS_ONCE() warning
compiler.h: Remove ACCESS_ONCE()
tools/include: Remove ACCESS_ONCE()
tools/perf: Convert ACCESS_ONCE() to READ_ONCE()
locking/lockdep: Remove the cross-release locking checks
locking/core: Remove break_lock field when CONFIG_GENERIC_LOCKBREAK=y
locking/core: Fix deadlock during boot on systems with GENERIC_LOCKBREAK
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Add "sff,sff" for SFF module support with SFP. These have a different
phys_id value, and also have the present and rate select signals omitted
compared with their socketed counter-parts.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The "Linux licensing rules" require that also the restructuredText files
are marked with the appropriate SPDX license identifier.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2017-12-15
1) Currently we can add or update socket policies, but
not clear them. Support clearing of socket policies
too. From Lorenzo Colitti.
2) Add documentation for the xfrm device offload api.
From Shannon Nelson.
3) Fix IPsec extended sequence numbers (ESN) for
IPsec offloading. From Yossef Efraim.
4) xfrm_dev_state_add function returns success even for
unsupported options, fix this to fail in such cases.
From Yossef Efraim.
5) Remove a redundant xfrm_state assignment.
From Aviv Heller.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the compatible string and Device Tree binding document for
7278B0.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update zswap document with details on same-value filled pages
identification feature. The usage of zswap.same_filled_pages_enabled
module parameter is explained.
Link: http://lkml.kernel.org/r/20171206114852epcms5p6973b02a9f455d5d3c765eafda0fe2631@epcms5p6
Signed-off-by: Srividya Desireddy <srividya.dr@samsung.com>
Acked-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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ath.git patches for 4.16. Major changes:
ath10k
* enable multiqueue support for all hw using mac80211 wake_tx_queue op
* new Kconfig option ATH10K_SPECTRAL to save RAM
* show tx stats on QCA9880
* new qcom,ath10k-calibration-variant DT entry
* WMI layer support for wcn3990
ath9k
* new Kconfig option ATH9K_COMMON_SPECTRAL to save RAM
wcn36xx
* hardware scan offload support
wil6210
* run-time PM support when interface is down
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The bus + bmi-chip-id + bmi-board-id is not enough to identify the correct
board data file on QCA4019 based devices. Multiple different boards share
the same values. Only the original reference designs can currently be
identified and loaded from the board-2.bin. But these will not result in
the correct calibration data when combined with the pre-calibration data
from the device.
An additional "variant" information has to be provided (via SMBIOS or DT)
to select the correct board data for a design which was modified by an ODM.
Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Prior to this patch, active Fast Open is paused on a specific
destination IP address if the previous connections to the
IP address have experienced recurring timeouts . But recent
experiments by Microsoft (https://goo.gl/cykmn7) and Mozilla
browsers indicate the isssue is often caused by broken middle-boxes
sitting close to the client. Therefore it is much better user
experience if Fast Open is disabled out-right globally to avoid
experiencing further timeouts on connections toward other
destinations.
This patch changes the destination-IP disablement to global
disablement if a connection experiencing recurring timeouts
or aborts due to timeout. Repeated incidents would still
exponentially increase the pause time, starting from an hour.
This is extremely conservative but an unfortunate compromise to
minimize bad experience due to broken middle-boxes.
Reported-by: Dragana Damjanovic <ddamjanovic@mozilla.com>
Reported-by: Patrick McManus <mcmanus@ducksong.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Wei Wang <weiwan@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some PHYs need a minimum time after the reset gpio was asserted and/or
deasserted. To ensure we meet these timing requirements add two new
optional devicetree parameters for the phy: reset-delay-us and
reset-post-delay-us.
Signed-off-by: Richard Leitner <richard.leitner@skidata.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds a compatible string for the Texas Instruments CC2560 Bluetooth
chip to the existing TI WiLink shared transport bindings. These chips are
similar enough that the same bindings work for both. The file is renamed
to ti-bluetooth.txt to make it more generic.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This adds optional nvmem consumer properties to the ti,wlink-st device tree
bindings to allow specifying the BD address.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The ARM architecture defines the memory locations that are permitted
to be accessed as the result of a speculative instruction fetch from
an exception level for which all stages of translation are disabled.
Specifically, the core is permitted to speculatively fetch from the
4KB region containing the current program counter 4K and next 4K.
When translation is changed from enabled to disabled for the running
exception level (SCTLR_ELn[M] changed from a value of 1 to 0), the
Falkor core may errantly speculatively access memory locations outside
of the 4KB region permitted by the architecture. The errant memory
access may lead to one of the following unexpected behaviors.
1) A System Error Interrupt (SEI) being raised by the Falkor core due
to the errant memory access attempting to access a region of memory
that is protected by a slave-side memory protection unit.
2) Unpredictable device behavior due to a speculative read from device
memory. This behavior may only occur if the instruction cache is
disabled prior to or coincident with translation being changed from
enabled to disabled.
The conditions leading to this erratum will not occur when either of the
following occur:
1) A higher exception level disables translation of a lower exception level
(e.g. EL2 changing SCTLR_EL1[M] from a value of 1 to 0).
2) An exception level disabling its stage-1 translation if its stage-2
translation is enabled (e.g. EL1 changing SCTLR_EL1[M] from a value of 1
to 0 when HCR_EL2[VM] has a value of 1).
To avoid the errant behavior, software must execute an ISB immediately
prior to executing the MSR that will change SCTLR_ELn[M] from 1 to 0.
Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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This code (CONFIG_LOCKDEP_CROSSRELEASE=y and CONFIG_LOCKDEP_COMPLETIONS=y),
while it found a number of old bugs initially, was also causing too many
false positives that caused people to disable lockdep - which is arguably
a worse overall outcome.
If we disable cross-release by default but keep the code upstream then
in practice the most likely outcome is that we'll allow the situation
to degrade gradually, by allowing entropy to introduce more and more
false positives, until it overwhelms maintenance capacity.
Another bad side effect was that people were trying to work around
the false positives by uglifying/complicating unrelated code. There's
a marked difference between annotating locking operations and
uglifying good code just due to bad lock debugging code ...
This gradual decrease in quality happened to a number of debugging
facilities in the kernel, and lockdep is pretty complex already,
so we cannot risk this outcome.
Either cross-release checking can be done right with no false positives,
or it should not be included in the upstream kernel.
( Note that it might make sense to maintain it out of tree and go through
the false positives every now and then and see whether new bugs were
introduced. )
Cc: Byungchul Park <byungchul.park@lge.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull cgroup fixes from Tejun Heo:
- Prateek posted a couple patches to fix a deadlock involving cpuset
and workqueue. It unfortunately caused a different deadlock and the
recent workqueue hotplug simplification removed the original
deadlock, so Prateek's two patches are reverted for now.
- The new stat code was missing u64_stats initialization. Fixed.
- Doc and other misc changes
* 'for-4.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: add warning about RT not being supported on cgroup2
Revert "cgroup/cpuset: remove circular dependency deadlock"
Revert "cpuset: Make cpuset hotplug synchronous"
cgroup: properly init u64_stats
debug cgroup: use task_css_set instead of rcu_dereference
cpuset: Make cpuset hotplug synchronous
cgroup/cpuset: remove circular dependency deadlock
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The GPIO polarity passed to phy-reset-gpio is ignored by the FEC
driver and it is assumed to be active low.
It can be active high only when the 'phy-reset-active-high' property
is present.
The current examples pass active high polarity and work fine, but
in order to improve the documentation make it explicit what the real
polarity is.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Overlayfs is following redirects even when redirects are disabled. If this
is unintentional (probably the majority of cases) then this can be a
problem. E.g. upper layer comes from untrusted USB drive, and attacker
crafts a redirect to enable read access to otherwise unreadable
directories.
If "redirect_dir=off", then turn off following as well as creation of
redirects. If "redirect_dir=follow", then turn on following, but turn off
creation of redirects (which is what "redirect_dir=off" does now).
This is a backward incompatible change, so make it dependent on a config
option.
Reported-by: David Howells <dhowells@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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Pull ARM SoC fixes from Olof Johansson:
- A revert of all SCPI changes from the 4.15 merge window. They had
regressions on the Amlogic platforms, and the submaintainer isn't
around to fix these bugs due to vacation, etc. So we agreed to revert
and revisit in next release cycle.
- A series fixing a number of bugs for ARM CCN interconnect, around
module unload, smp_processor_id() in preemptable context, and fixing
some memory allocation failure checks.
- A handful of devicetree fixes for different platforms, fixing
warnings and errors that were previously ignored by the compiler.
- The usual set of mostly minor fixes for different platforms.
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
ARM64: dts: meson-gx: fix UART pclk clock name
ARM: omap2: hide omap3_save_secure_ram on non-OMAP3 builds
arm: dts: nspire: Add missing #phy-cells to usb-nop-xceiv
ARM: dts: Fix dm814x missing phy-cells property
ARM: dts: Fix elm interrupt compiler warning
bus: arm-ccn: fix module unloading Error: Removing state 147 which has instances left.
bus: arm-cci: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: Simplify code
bus: arm-ccn: Check memory allocation failure
bus: arm-ccn: constify attribute_group structures.
firmware: arm_scpi: Revert updates made during v4.15 merge window
arm: dts: marvell: Add missing #phy-cells to usb-nop-xceiv
arm64: dts: sort vendor subdirectories in Makefile alphabetically
meson-gx-socinfo: Fix package id parsing
ARM: meson: fix spelling mistake: "Couln't" -> "Couldn't"
ARM: dts: meson: fix the memory region of the GPIO interrupt controller
ARM: dts: meson: correct the sort order for the the gpio_intc node
MAINTAINERS: exclude other Socionext SoC DT files from ARM/UNIPHIER entry
arm64: dts: uniphier: remove unnecessary interrupt-parent
...
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Pull KVM fixes from Radim Krčmář:
"ARM:
- A number of issues in the vgic discovered using SMATCH
- A bit one-off calculation in out stage base address mask (32-bit
and 64-bit)
- Fixes to single-step debugging instructions that trap for other
reasons such as MMMIO aborts
- Printing unavailable hyp mode as error
- Potential spinlock deadlock in the vgic
- Avoid calling vgic vcpu free more than once
- Broken bit calculation for big endian systems
s390:
- SPDX tags
- Fence storage key accesses from problem state
- Make sure that irq_state.flags is not used in the future
x86:
- Intercept port 0x80 accesses to prevent host instability (CVE)
- Use userspace FPU context for guest FPU (mainly an optimization
that fixes a double use of kernel FPU)
- Do not leak one page per module load
- Flush APIC page address cache from MMU invalidation notifiers"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (28 commits)
KVM: x86: fix APIC page invalidation
KVM: s390: Fix skey emulation permission check
KVM: s390: mark irq_state.flags as non-usable
KVM: s390: Remove redundant license text
KVM: s390: add SPDX identifiers to the remaining files
KVM: VMX: fix page leak in hardware_setup()
KVM: VMX: remove I/O port 0x80 bypass on Intel hosts
x86,kvm: remove KVM emulator get_fpu / put_fpu
x86,kvm: move qemu/guest FPU switching out to vcpu_run
KVM: arm/arm64: Fix broken GICH_ELRSR big endian conversion
KVM: arm/arm64: kvm_arch_destroy_vm cleanups
KVM: arm/arm64: Fix spinlock acquisition in vgic_set_owner
kvm: arm: don't treat unavailable HYP mode as an error
KVM: arm/arm64: Avoid attempting to load timer vgic state without a vgic
kvm: arm64: handle single-step of hyp emulated mmio instructions
kvm: arm64: handle single-step during SError exceptions
kvm: arm64: handle single-step of userspace mmio instructions
kvm: arm64: handle single-stepping trapped instructions
KVM: arm/arm64: debug: Introduce helper for single-step
arm: KVM: Fix VTTBR_BADDR_MASK BUG_ON off-by-one
...
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Conflict was two parallel additions of include files to sch_generic.c,
no biggie.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull media fixes from Mauro Carvalho Chehab:
"A series of fixes for the media subsytem:
- The largest amount of fixes in this series is with regards to
comments that aren't kernel-doc, but start with "/**".
A new check added for 4.15 makes it to produce a *huge* amount of
new warnings (I'm compiling here with W=1). Most of the patches in
this series fix those.
No code changes - just comment changes at the source files
- rc: some fixed in order to better handle RC repetition codes
- v4l-async: use the v4l2_dev from the root notifier when matching
sub-devices
- v4l2-fwnode: Check subdev count after checking port
- ov 13858 and et8ek8: compilation fix with randconfigs
- usbtv: a trivial new USB ID addition
- dibusb-common: don't do DMA on stack on firmware load
- imx274: Fix error handling, add MAINTAINERS entry
- sir_ir: detect presence of port"
* tag 'media/v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (50 commits)
media: imx274: Fix error handling, add MAINTAINERS entry
media: v4l: async: use the v4l2_dev from the root notifier when matching sub-devices
media: v4l2-fwnode: Check subdev count after checking port
media: et8ek8: select V4L2_FWNODE
media: ov13858: Select V4L2_FWNODE
media: rc: partial revert of "media: rc: per-protocol repeat period"
media: dvb: i2c transfers over usb cannot be done from stack
media: dvb-frontends: complete kernel-doc markups
media: docs: add documentation for frontend attach info
media: dvb_frontends: fix kernel-doc macros
media: drivers: remove "/**" from non-kernel-doc comments
media: lm3560: add a missing kernel-doc parameter
media: rcar_jpu: fix two kernel-doc markups
media: vsp1: add a missing kernel-doc parameter
media: soc_camera: fix a kernel-doc markup
media: mt2063: fix some kernel-doc warnings
media: radio-wl1273: fix a parameter name at kernel-doc macro
media: s3c-camif: add missing description at s3c_camif_find_format()
media: mtk-vpu: add description for wdt fields at struct mtk_vpu
media: vdec: fix some kernel-doc warnings
...
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Pull DeviceTree fixes from Rob Herring:
"Another set of DT fixes:
- Fixes from overlay code rework. A trifecta of fixes to the locking,
an out of bounds access, and a memory leak in of_overlay_apply()
- Clean-up at25 eeprom binding document
- Remove leading '0x' in unit-addresses from binding docs"
* tag 'devicetree-fixes-for-4.15-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: overlay: Make node skipping in init_overlay_changeset() clearer
of: overlay: Fix out-of-bounds write in init_overlay_changeset()
of: overlay: Fix (un)locking in of_overlay_apply()
of: overlay: Fix memory leak in of_overlay_apply() error path
dt-bindings: eeprom: at25: Document device-specific compatible values
dt-bindings: eeprom: at25: Grammar s/are can/can/
dt-bindings: Remove leading 0x from bindings notation
of: overlay: Remove else after goto
of: Spelling s/changset/changeset/
of: unittest: Remove bogus overlay mutex release from overlay_data_add()
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Alexei Starovoitov says:
====================
pull-request: bpf-next 2017-12-07
The following pull-request contains BPF updates for your net-next tree.
The main changes are:
1) Detailed documentation of BPF development process from Daniel.
2) Addition of is_fullsock, snd_cwnd and srtt_us fields to bpf_sock_ops
from Lawrence.
3) Minor follow up for bpf_skb_set_tunnel_key() from William.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add documentation describing how device tree can be used to configure
wireless chips supported by the mt76 driver.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In the same spirit of netdev FAQ, start a BPF FAQ as a collection
of expectations and/or workflow details in the context of BPF patch
processing.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Document the recommended presence of a device-specific compatible value,
and list examples that are already in use or soon will be.
This will allow checkpatch to validate compatible values in DTS.
Update the example to match current best practices (generic node name,
specific compatible value first).
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
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Improve the binding example by removing all the leading 0x to fix the
following dtc warnings:
Warning (unit_address_format): Node /XXX unit name should not have leading "0x"
Converted using the following command:
find Documentation/devicetree/bindings -name "*.txt" -exec sed -i -e 's/([^ ])\@0x([0-9a-f])/$1\@$2/g' {} +
This is a follow up to commit 48c926cd3414
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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KVM: s390: Fixes for 4.15
- SPDX tags
- Fence storage key accesses from problem state
- Make sure that irq_state.flags is not used in the future
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Old kernels did not check for zero in the irq_state.flags field and old
QEMUs did not zero the flag/reserved fields when calling
KVM_S390_*_IRQ_STATE. Let's add comments to prevent future uses of
these fields.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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We haven't yet figured out what to do with RT threads on cgroup2.
Document the limitation.
v2: Included the warning about system management software behavior as
suggested by Michael.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
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Stefan Schmidt says:
====================
pull-request: ieee802154-next 2017-12-04
Some update from ieee802154 to *net-next*
Jian-Hong Pan updated our docs to match the APIs in code.
Michael Hennerichs enhanced the adf7242 driver to work with adf7241
devices and reworked the IRQ and packet handling in the driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PHY devices sometimes do have their reset signal (maybe even power
supply?) tied to some GPIO and sometimes it also does happen that a boot
loader does not leave it deasserted. So far this issue has been attacked
from (as I believe) a wrong angle: by teaching the MAC driver to manipulate
the GPIO in question; that solution, when applied to the device trees, led
to adding the PHY reset GPIO properties to the MAC device node, with one
exception: Cadence MACB driver which could handle the "reset-gpios" prop
in a PHY device subnode. I believe that the correct approach is to teach
the 'phylib' to get the MDIO device reset GPIO from the device tree node
corresponding to this device -- which this patch is doing...
Note that I had to modify the AT803x PHY driver as it would stop working
otherwise -- it made use of the reset GPIO for its own purposes...
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Rob Herring <robh@kernel.org>
[geert: Propagate actual errors from fwnode_get_named_gpiod()]
[geert: Avoid destroying initial setup]
[geert: Consolidate GPIO descriptor acquiring code]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Richard Leitner <richard.leitner@skidata.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull GPIO fixes from Linus Walleij:
"Three small fixes for GPIO. Not much, I'm surprised by the silence in
my subsystems. All driver fixes:
- fix a crash in the 74x164 driver
- fix IRQ banks in the DaVinci driver
- fix the vendor prefix in the PCA953x driver"
* tag 'gpio-v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: pca953x: fix vendor prefix for PCA9654
gpio: davinci: Assign first bank regs for unbanked case
gpio: 74x164: Fix crash during .remove()
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Add kernel-doc documentation for sfp kernel APIs, and link it into the
networking kapi documentation under "Network device support".
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add kernel-doc documentation for phylink kernel APIs, and link it into
the networking kapi documentation under "Network device support".
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Small overlapping change conflict ('net' changed a line,
'net-next' added a line right afterwards) in flexcan.c
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull documentation fixes from Jonathan Corbet:
"A handful of documentation fixes.
The most significant of these addresses a problem with the new warning
mode: it can break the build when confronted with a source file
containing malformed kerneldoc comments"
* tag 'docs-4.15-fixes' of git://git.lwn.net/linux:
Documentation: fix docs build error after source file removed
scsi: documentation: Fix case of 'scsi_device' struct mention(s)
genericirq.rst: Remove :c:func:`...` in code blocks
dmaengine: doc : Fix warning "Title underline too short" while make xmldocs
scripts/kernel-doc: Don't fail with status != 0 if error encountered with -none
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The pci/htirq.c file was removed so remove it from the documentation
file also.
Error: Cannot open file ../drivers/pci/htirq.c
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -export ../drivers/pci/htirq.c' failed with return code 2
Fixes: fd2fa6c18b72 ("x86/PCI: Remove unused HyperTransport interrupt support")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Pull hwmon fixes from Guenter Roeck:
"Fixes:
- Drop reference to obsolete maintainer tree
- Fix overflow bug in pmbus driver
- Fix SMBUS timeout problem in jc42 driver
For the SMBUS timeout handling, we had a brief discussion if this
should be considered a bug fix or a feature. Peter says "it fixes real
problems where the application misbehave due to faulty content when
reading from an eeprom", and he needs the patch in his company's v4.14
images. This is good enough for me and warrants backport to stable
kernels"
* tag 'hwmon-for-linus-v4.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (jc42) optionally try to disable the SMBUS timeout
hwmon: (pmbus) Use 64bit math for DIRECT format values
hwmon: Drop reference to Jean's tree
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Despite commit 55020c8056a8 ("of: Add vendor prefix for ON Semiconductor
Corp.") was made long ago, the latter commit 9f49f6dd0473 ("gpio: pca953x:
add onsemi,pca9654 id") made use of another, undocumented vendor prefix.
Since such prefix doesn't seem to be used in any device trees, I think we
can just fix the "compatible" string in the driver and the bindings and be
done with that...
Fixes: 9f49f6dd0473 ("gpio: pca953x: add onsemi,pca9654 id")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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In scsi_mid_low_api.txt a the scsi_device structure is mentioned
several times, but the leading 's' is uppercase (Scsi_device)
and should be lowercase (scsi_device). Fixed by this commit.
Signed-off-by: John Pittman <jpittman@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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David S. Miller
Michael Chan
Linus Torvalds
Russell King
Sven Eckelmann
Florian Fainelli
Srividya Desireddy
Kalle Valo
Sven Eckelmann
Yuchung Cheng
Richard Leitner
David Lechner
Shanker Donthineni
Ingo Molnar
Fabio Estevam
Miklos Szeredi
Felix Fietkau
Daniel Borkmann
Geert Uytterhoeven
Mathieu Malaterre
Radim Krčmář
Christian Borntraeger
Tejun Heo
Sergei Shtylyov
Randy Dunlap
John Pittman