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Commit Graph

37669 Commits

Author SHA1 Message Date
Jakub Kicinski
f655f8b818 Documentation: timestamping: correct path to net_tstamp.h
net_tstamp.h is an UAPI header, so it was moved under include/uapi.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-17 21:39:59 -08:00
Linus Torvalds
d471c4dfa1 Devicetree fixes for v5.0:
- Remove now unused struct device_node.type pointer
 
 - Fix meson-axg reset header SPDX tag
 
 - Add missing of_node_put in of_graph_get_remote_port_parent
 
 - Fix several binding doc file references and typos
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Merge tag 'devicetree-fixes-for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree fixes from Rob Herring:

 - Remove now unused struct device_node.type pointer

 - Fix meson-axg reset header SPDX tag

 - Add missing of_node_put in of_graph_get_remote_port_parent

 - Fix several binding doc file references and typos

* tag 'devicetree-fixes-for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: reset: meson-axg: fix SPDX license id
  dt-bindings: soc: qcom: Fix trivial language typos
  doc: gpio-mvebu: fix broken reference to cp110-system-controller0.txt file
  OF: properties: add missing of_node_put
  doc: bindings: fix bad reference to ARM CPU bindings
  dt-bindings: marvell,mmp2: fix typos in bindings doc
  of: Remove struct device_node.type pointer
2019-01-18 06:15:28 +12:00
Krzysztof Kozlowski
9eac0ae168 dt-bindings: soc: qcom: Fix trivial language typos
Fix few trivial language typos in bindings.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-01-16 12:50:27 -06:00
Otto Sabart
889f4ce60e doc: gpio-mvebu: fix broken reference to cp110-system-controller0.txt file
The cp110-system-controller0.txt file was renamed to
cp110-system-controller.txt.

Fixes: 4aa5496980 ("dt-bindings: cp110: rename cp110 syscon file")
Signed-off-by: Otto Sabart <ottosabart@seberm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-01-16 12:50:27 -06:00
Peter Rosin
890d14d2d4 fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd line option
A command line option is much more flexible than a config option and
the supporting code is small. Gets rid of #ifdefs in the code too...

Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2019-01-16 17:42:35 +01:00
yupeng
a6c7c7aac2 net: add document for several snmp counters
add document for below counters:
TcpEstabResets
TcpAttemptFails
TcpOutRsts
TcpExtTCPSACKDiscard
TcpExtTCPDSACKIgnoredOld
TcpExtTCPDSACKIgnoredNoUndo
TcpExtTCPSackShifted
TcpExtTCPSackMerged
TcpExtTCPSackShiftFallback
TcpExtTCPWantZeroWindowAdv
TcpExtTCPToZeroWindowAdv
TcpExtTCPFromZeroWindowAdv
TcpExtDelayedACKs
TcpExtDelayedACKLocked
TcpExtDelayedACKLost
TcpExtTCPLossProbes
TcpExtTCPLossProbeRecovery

Signed-off-by: yupeng <yupeng0921@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-15 22:03:06 -08:00
David Howells
e122d845a0 Revert "rxrpc: Allow failed client calls to be retried"
The changes introduced to allow rxrpc calls to be retried creates an issue
when it comes to refcounting afs_call structs.  The problem is that when
rxrpc_send_data() queues the last packet for an asynchronous call, the
following sequence can occur:

 (1) The notify_end_tx callback is invoked which causes the state in the
     afs_call to be changed from AFS_CALL_CL_REQUESTING or
     AFS_CALL_SV_REPLYING.

 (2) afs_deliver_to_call() can then process event notifications from rxrpc
     on the async_work queue.

 (3) Delivery of events, such as an abort from the server, can cause the
     afs_call state to be changed to AFS_CALL_COMPLETE on async_work.

 (4) For an asynchronous call, afs_process_async_call() notes that the call
     is complete and tried to clean up all the refs on async_work.

 (5) rxrpc_send_data() might return the amount of data transferred
     (success) or an error - which could in turn reflect a local error or a
     received error.

Synchronising the clean up after rxrpc_kernel_send_data() returns an error
with the asynchronous cleanup is then tricky to get right.

Mostly revert commit c038a58ccf.  The two API
functions the original commit added aren't currently used.  This makes
rxrpc_kernel_send_data() always return successfully if it queued the data
it was given.

Note that this doesn't affect synchronous calls since their Rx notification
function merely pokes a wait queue and does not refcounting.  The
asynchronous call notification function *has* to do refcounting and pass a
ref over the work item to avoid the need to sync the workqueue in call
cleanup.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-15 21:33:36 -08:00
Linus Torvalds
e8746440bf Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix regression in multi-SKB responses to RTM_GETADDR, from Arthur
    Gautier.

 2) Fix ipv6 frag parsing in openvswitch, from Yi-Hung Wei.

 3) Unbounded recursion in ipv4 and ipv6 GUE tunnels, from Stefano
    Brivio.

 4) Use after free in hns driver, from Yonglong Liu.

 5) icmp6_send() needs to handle the case of NULL skb, from Eric
    Dumazet.

 6) Missing rcu read lock in __inet6_bind() when operating on mapped
    addresses, from David Ahern.

 7) Memory leak in tipc-nl_compat_publ_dump(), from Gustavo A. R. Silva.

 8) Fix PHY vs r8169 module loading ordering issues, from Heiner
    Kallweit.

 9) Fix bridge vlan memory leak, from Ido Schimmel.

10) Dev refcount leak in AF_PACKET, from Jason Gunthorpe.

11) Infoleak in ipv6_local_error(), flow label isn't completely
    initialized. From Eric Dumazet.

12) Handle mv88e6390 errata, from Andrew Lunn.

13) Making vhost/vsock CID hashing consistent, from Zha Bin.

14) Fix lack of UMH cleanup when it unexpectedly exits, from Taehee Yoo.

15) Bridge forwarding must clear skb->tstamp, from Paolo Abeni.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
  bnxt_en: Fix context memory allocation.
  bnxt_en: Fix ring checking logic on 57500 chips.
  mISDN: hfcsusb: Use struct_size() in kzalloc()
  net: clear skb->tstamp in bridge forwarding path
  net: bpfilter: disallow to remove bpfilter module while being used
  net: bpfilter: restart bpfilter_umh when error occurred
  net: bpfilter: use cleanup callback to release umh_info
  umh: add exit routine for UMH process
  isdn: i4l: isdn_tty: Fix some concurrency double-free bugs
  vhost/vsock: fix vhost vsock cid hashing inconsistent
  net: stmmac: Prevent RX starvation in stmmac_napi_poll()
  net: stmmac: Fix the logic of checking if RX Watchdog must be enabled
  net: stmmac: Check if CBS is supported before configuring
  net: stmmac: dwxgmac2: Only clear interrupts that are active
  net: stmmac: Fix PCI module removal leak
  tools/bpf: fix bpftool map dump with bitfields
  tools/bpf: test btf bitfield with >=256 struct member offset
  bpf: fix bpffs bitfield pretty print
  net: ethernet: mediatek: fix warning in phy_start_aneg
  tcp: change txhash on SYN-data timeout
  ...
2019-01-16 05:13:36 +12:00
Takashi Iwai
910e7e1923 ALSA: doc: Update the description about PCM suspend procedure
The PCM suspend procedure was changed for drivers, so that they don't
have to call snd_pcm_suspend*() in each callback any longer.  Update
the documentation to adapt the changes.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-01-15 17:48:17 +01:00
Linus Torvalds
dbc3c09b81 ARM: SoC fixes
A bigger batch than I anticipated this week, for two reasons:
 
  - Some fallout on Davinci from board file -> DTB conversion, that also
  includes a few longer-standing fixes (i.e. not recent regressions).
 
  - drivers/reset material that has been in linux-next for a while, but
  didn't get sent to us until now for a variety of reasons (maintainer out
  sick, holidays, etc). There's a functional dependency in there such that
  one platform (Altera's SoCFPGA) won't boot without one of the patches;
  instead of reverting the patch that got merged, I looked at this set
  and decided it was small enough that I'll pick it up anyway. If you
  disagree I can revisit with a smaller set.
 
 That being said, there's also a handful of the usual stuff:
 
  - Fix for a crash on Armada 7K/8K when the kernel touches PSCI-reserved
  memory
  - Fix for PCIe reset on Macchiatobin (Armada 8K development board, what
  this email is sent from in fact :)
  - Enable a few new-merged modules for Amlogic in arm64 defconfig
  - Error path fixes on Integrator
  - Build fix for Renesas and Qualcomm
  - Initialization fix for Renesas RZ/G2E
 
  + A few more fixlets.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A bigger batch than I anticipated this week, for two reasons:

   - Some fallout on Davinci from board file -> DTB conversion, that
     also includes a few longer-standing fixes (i.e. not recent
     regressions).

   - drivers/reset material that has been in linux-next for a while, but
     didn't get sent to us until now for a variety of reasons
     (maintainer out sick, holidays, etc). There's a functional
     dependency in there such that one platform (Altera's SoCFPGA) won't
     boot without one of the patches; instead of reverting the patch
     that got merged, I looked at this set and decided it was small
     enough that I'll pick it up anyway. If you disagree I can revisit
     with a smaller set.

  That being said, there's also a handful of the usual stuff:

   - Fix for a crash on Armada 7K/8K when the kernel touches
     PSCI-reserved memory

   - Fix for PCIe reset on Macchiatobin (Armada 8K development board,
     what this email is sent from in fact :)

   - Enable a few new-merged modules for Amlogic in arm64 defconfig

   - Error path fixes on Integrator

   - Build fix for Renesas and Qualcomm

   - Initialization fix for Renesas RZ/G2E

  .. plus a few more fixlets"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
  ARM: integrator: impd1: use struct_size() in devm_kzalloc()
  qcom-scm: Include <linux/err.h> header
  gpio: pl061: handle failed allocations
  ARM: dts: kirkwood: Fix polarity of GPIO fan lines
  arm64: dts: marvell: mcbin: fix PCIe reset signal
  arm64: dts: marvell: armada-ap806: reserve PSCI area
  ARM: dts: da850-lcdk: Correct the sound card name
  ARM: dts: da850-lcdk: Correct the audio codec regulators
  ARM: dts: da850-evm: Correct the sound card name
  ARM: dts: da850-evm: Correct the audio codec regulators
  ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries
  ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries
  ARM: davinci: dm355-evm: fix label names in GPIO lookup entries
  ARM: davinci: da850-evm: fix label names in GPIO lookup entries
  ARM: davinci: da830-evm: fix label names in GPIO lookup entries
  arm64: defconfig: enable modules for amlogic s400 sound card
  reset: uniphier-glue: Add AHCI reset control support in glue layer
  dt-bindings: reset: uniphier: Add AHCI core reset description
  reset: uniphier-usb3: Rename to reset-uniphier-glue
  dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
  ...
2019-01-14 10:34:14 +12:00
Linus Torvalds
72d657dd21 Driver core fixes for 5.0-rc2
Here is one small sysfs change, and a documentation update for 5.0-rc2
 
 The sysfs change moves from using BUG_ON to WARN_ON, as discussed in an
 email thread on lkml while trying to track down another driver bug.
 sysfs should not be crashing and preventing people from seeing where
 they went wrong.  Now it properly recovers and warns the developer.
 
 The documentation update removes the use of BUS_ATTR() as the kernel is
 moving away from this to use the specific BUS_ATTR_RW() and friends
 instead.  There are pending patches in all of the different subsystems
 to remove the last users of this macro, but for now, don't advertise it
 should be used anymore to keep new ones from being introduced.
 
 Both have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here is one small sysfs change, and a documentation update for 5.0-rc2

  The sysfs change moves from using BUG_ON to WARN_ON, as discussed in
  an email thread on lkml while trying to track down another driver bug.
  sysfs should not be crashing and preventing people from seeing where
  they went wrong. Now it properly recovers and warns the developer.

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  is moving away from this to use the specific BUS_ATTR_RW() and friends
  instead. There are pending patches in all of the different subsystems
  to remove the last users of this macro, but for now, don't advertise
  it should be used anymore to keep new ones from being introduced.

  Both have been in linux-next with no reported issues"

* tag 'driver-core-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Documentation: driver core: remove use of BUS_ATTR
  sysfs: convert BUG_ON to WARN_ON
2019-01-14 05:51:08 +12:00
Linus Torvalds
b8c3b8992f for-linus-20190112
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Merge tag 'for-linus-20190112' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request from Christoph, with little fixes all over the map

 - Loop caching fix for offset/bs change (Jaegeuk Kim)

 - Block documentation tweaks (Jeff, Jon, Weiping, John)

 - null_blk zoned tweak (John)

 - ahch mvebu suspend/resume support. Should have gone into the merge
   window, but there was some confusion on which tree had it. (Miquel)

* tag 'for-linus-20190112' of git://git.kernel.dk/linux-block: (22 commits)
  ata: ahci: mvebu: request PHY suspend/resume for Armada 3700
  ata: ahci: mvebu: add Armada 3700 initialization needed for S2RAM
  ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCs
  ata: ahci: mvebu: remove stale comment
  ata: libahci_platform: comply to PHY framework
  loop: drop caches if offset or block_size are changed
  block: fix kerneldoc comment for blk_attempt_plug_merge()
  nvme: don't initlialize ctrl->cntlid twice
  nvme: introduce NVME_QUIRK_IGNORE_DEV_SUBNQN
  nvme: pad fake subsys NQN vid and ssvid with zeros
  nvme-multipath: zero out ANA log buffer
  nvme-fabrics: unset write/poll queues for discovery controllers
  nvme-tcp: don't ask if controller is fabrics
  nvme-tcp: remove dead code
  nvme-pci: fix out of bounds access in nvme_cqe_pending
  nvme-pci: rerun irq setup on IO queue init errors
  nvme-pci: use the same attributes when freeing host_mem_desc_bufs.
  nvme-pci: fix the wrong setting of nr_maps
  block: doc: add slice_idle_us to bfq documentation
  block: clarify documentation for blk_{start|finish}_plug
  ...
2019-01-12 13:40:51 -08:00
Linus Torvalds
473348891c KVM fixes for 5.0-rc2
Minor fixes for new code, corner cases, and documentation.
 Patches are isolated and sufficiently described by the shortlog.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "Minor fixes for new code, corner cases, and documentation"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  x86/kvm/nVMX: don't skip emulated instruction twice when vmptr address is not backed
  Documentation/virtual/kvm: Update URL for AMD SEV API specification
  KVM/VMX: Avoid return error when flush tlb successfully in the hv_remote_flush_tlb_with_range()
  kvm: sev: Fail KVM_SEV_INIT if already initialized
  KVM: validate userspace input in kvm_clear_dirty_log_protect()
  KVM: x86: Fix bit shifting in update_intel_pt_cfg
2019-01-12 10:39:43 -08:00
Otto Sabart
8217724eb7 doc: bindings: fix bad reference to ARM CPU bindings
The primecell.txt and cpus.txt files were converted into YAML. This
patch updates old references with new ones.

Fixes: d3c207eeb9 ("dt-bindings: arm: Convert primecell binding to json-schema")
Fixes: 672951cbd1 ("dt-bindings: arm: Convert cpu binding to json-schema")
Signed-off-by: Otto Sabart <ottosabart@seberm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-01-11 17:12:50 -06:00
Lubomir Rintel
ef4efa1456 dt-bindings: marvell,mmp2: fix typos in bindings doc
A pair of rather trivial ones.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-01-11 14:13:33 -06:00
Christophe de Dinechin
cf1754c2a1 Documentation/virtual/kvm: Update URL for AMD SEV API specification
The URL of [api-spec] in Documentation/virtual/kvm/amd-memory-encryption.rst
is no longer valid, replaced space with underscore.

Signed-off-by: Christophe de Dinechin <dinechin@redhat.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2019-01-11 18:38:07 +01:00
Linus Torvalds
e8af37f3f4 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "A 32-bit build fix, CONFIG_RETPOLINE fixes and rename CONFIG_RESCTRL
  to CONFIG_X86_RESCTRL"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, modpost: Replace last remnants of RETPOLINE with CONFIG_RETPOLINE
  x86/cache: Rename config option to CONFIG_X86_RESCTRL
  samples/seccomp: Fix 32-bit build
2019-01-11 09:07:19 -08:00
Linus Torvalds
f4f31fff32 Power management updates for 5.0-rc2
- Prevent integer overflows from occurring on 32-bit when
    converting milliseconds to nanoseconds in the runtime PM
    framework and update comments that still refer to jiffies
    in it (Vincent Guittot, Ladislav Michl).
 
  - Fix the SCMI cpufreq driver to always use the same frequency
    units for arch_set_freq_scale() and make the scale-invariant
    load tracking acutally work with this driver (Quentin Perret).
 
  - Fix freeing of dynamic OPPs in the SCPI and SCMI cpufreq drivers
    broken during the 4.20 defelopment cycle (Viresh Kumar).
 
  - Prevent the cpufreq core from attempting to return the current
    frequency of offline CPUs (Sudeep Holla).
 
  - Add devfreq suspend and resume hooks (missed previously) to the
    PM core to make the recently added system suspend and resume
    support in devfreq actually work (Lukasz Luba).
 
  - Update MAINTAINERS entries for cpufreq and cpuidle, mostly to add
    references to new/current documentation to them (Rafael Wysocki).
 
  - Fix a recently broken reference to cpuidle documentation (Otto
    Sabart).
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Merge tag 'pm-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These fix fallout after starting to use hrtimers in the runtime PM
  framework, fix a few cpufreq issues, fix a recently broken reference
  to cpuidle documentation, update MAINTAINERS entries for cpufreq and
  cpuidle and make the recently added system suspend and resume support
  in devfreq actually work.

  Specifics:

   - Prevent integer overflows from occurring on 32-bit when converting
     milliseconds to nanoseconds in the runtime PM framework and update
     comments that still refer to jiffies in it (Vincent Guittot,
     Ladislav Michl).

   - Fix the SCMI cpufreq driver to always use the same frequency units
     for arch_set_freq_scale() and make the scale-invariant load
     tracking acutally work with this driver (Quentin Perret).

   - Fix freeing of dynamic OPPs in the SCPI and SCMI cpufreq drivers
     broken during the 4.20 defelopment cycle (Viresh Kumar).

   - Prevent the cpufreq core from attempting to return the current
     frequency of offline CPUs (Sudeep Holla).

   - Add devfreq suspend and resume hooks (missed previously) to the PM
     core to make the recently added system suspend and resume support
     in devfreq actually work (Lukasz Luba).

   - Update MAINTAINERS entries for cpufreq and cpuidle, mostly to add
     references to new/current documentation to them (Rafael Wysocki).

   - Fix a recently broken reference to cpuidle documentation (Otto
     Sabart)"

* tag 'pm-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM-runtime: Fix autosuspend_delay on 32bits arch
  PM-runtime: Fix 'jiffies' in comments after switch to hrtimers
  cpufreq: scmi: Fix frequency invariance in slow path
  doc: trace: fix reference to cpuidle documentation file
  cpufreq: check if policy is inactive early in __cpufreq_get()
  cpufreq: scpi/scmi: Fix freeing of dynamic OPPs
  cpuidle / Documentation: Update cpuidle MAINTAINERS entry
  cpufreq / Documentation: Update cpufreq MAINTAINERS entry
  PM: sleep: call devfreq suspend/resume
2019-01-11 09:01:43 -08:00
Rafael J. Wysocki
343e60e52a Merge branches 'pm-cpuidle', 'pm-cpufreq' and 'pm-sleep'
* pm-cpuidle:
  doc: trace: fix reference to cpuidle documentation file
  cpuidle / Documentation: Update cpuidle MAINTAINERS entry

* pm-cpufreq:
  cpufreq: scmi: Fix frequency invariance in slow path
  cpufreq: check if policy is inactive early in __cpufreq_get()
  cpufreq: scpi/scmi: Fix freeing of dynamic OPPs
  cpufreq / Documentation: Update cpufreq MAINTAINERS entry

* pm-sleep:
  PM: sleep: call devfreq suspend/resume
2019-01-11 10:09:51 +01:00
Linus Torvalds
4064e47c82 arch/csky patches for 5.0-rc1
Here is some fixup patches for 5.0-rc1:
 
  - fixup compile error with pte_alloc
  - fixup handle_irq_perbit break irq flow
  - fixup CACHEV1 store instruction fast retire
  - fixup module relocation error with 807 & 860
  - add csky kernel features
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Merge tag 'csky-for-linus-5.0-rc1' of git://github.com/c-sky/csky-linux

Pull arch/csky bug fixes from Guo Ren:
 "Here are some fixup patches for 5.0-rc1:

   - fix compile error with pte_alloc

   - fix handle_irq_perbit break irq flow

   - fix CACHEV1 store instruction fast retire

   - fix module relocation error with 807 & 860

   - add csky kernel features to documentation"

* tag 'csky-for-linus-5.0-rc1' of git://github.com/c-sky/csky-linux:
  irqchip/csky: fixup handle_irq_perbit break irq
  csky: fixup compile error with pte_alloc
  csky: fixup CACHEV1 store instruction fast retire
  csky: fixup relocation error with 807 & 860
  Documentation/features: Add csky kernel features
2019-01-09 10:00:11 -08:00
John Pittman
47cb393ee4 block: doc: add slice_idle_us to bfq documentation
Of the tunables available for the bfq I/O scheduler, the only one
missing from the documentation in 'Documentation/block/bfq-iosched.txt'
is slice_idle_us. Add this tunable to the documentation and a short
explanation of its purpose.

Acked-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: John Pittman <jpittman@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-01-09 07:38:48 -07:00
Otto Sabart
7604bf0920 doc: trace: fix reference to cpuidle documentation file
Old cpuidle/sysfs.txt file was replaced in aa5eee355b. So, refer to
an updated file.

Fixes: aa5eee355b (Documentation: admin-guide: PM: Add cpuidle document)
Signed-off-by: Otto Sabart <ottosabart@seberm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-09 11:44:30 +01:00
Borislav Petkov
90802938f7 x86/cache: Rename config option to CONFIG_X86_RESCTRL
CONFIG_RESCTRL is too generic. The final goal is to have a generic
option called like this which is selected by the arch-specific ones
CONFIG_X86_RESCTRL and CONFIG_ARM64_RESCTRL. The generic one will
cover the resctrl filesystem and other generic and shared bits of
functionality.

Signed-off-by: Borislav Petkov <bp@suse.de>
Suggested-by: Ingo Molnar <mingo@kernel.org>
Requested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Babu Moger <babu.moger@amd.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: James Morse <james.morse@arm.com>
Cc: Reinette Chatre <reinette.chatre@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20190108171401.GC12235@zn.tnic
2019-01-09 10:29:03 +01:00
Minchan Kim
1d69a3f8ae zram: idle writeback fixes and cleanup
This patch includes some fixes and cleanup for idle-page writeback.

1. writeback_limit interface

Now writeback_limit interface is rather conusing.  For example, once
writeback limit budget is exausted, admin can see 0 from
/sys/block/zramX/writeback_limit which is same semantic with disable
writeback_limit at this moment.  IOW, admin cannot tell that zero came
from disable writeback limit or exausted writeback limit.

To make the interface clear, let's sepatate enable of writeback limit to
another knob - /sys/block/zram0/writeback_limit_enable

* before:
  while true :
    # to re-enable writeback limit once previous one is used up
    echo 0 > /sys/block/zram0/writeback_limit
    echo $((200<<20)) > /sys/block/zram0/writeback_limit
    ..
    .. # used up the writeback limit budget

* new
  # To enable writeback limit, from the beginning, admin should
  # enable it.
  echo $((200<<20)) > /sys/block/zram0/writeback_limit
  echo 1 > /sys/block/zram/0/writeback_limit_enable
  while true :
    echo $((200<<20)) > /sys/block/zram0/writeback_limit
    ..
    .. # used up the writeback limit budget

It's much strightforward.

2. fix condition check idle/huge writeback mode check

The mode in writeback_store is not bit opeartion any more so no need to
use bit operations.  Furthermore, current condition check is broken in
that it does writeback every pages regardless of huge/idle.

3. clean up idle_store

No need to use goto.

[minchan@kernel.org: missed spin_lock_init]
  Link: http://lkml.kernel.org/r/20190103001601.GA255139@google.com
Link: http://lkml.kernel.org/r/20181224033529.19450-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Suggested-by: John Dias <joaodias@google.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: John Dias <joaodias@google.com>
Cc: Srinivas Paladugu <srnvs@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-01-08 17:15:10 -08:00
Greg Kroah-Hartman
735df0ff6e Documentation: driver core: remove use of BUS_ATTR
We are getting rid of the "raw" BUS_ATTR() macro, so fix up the
documentation to not refer to it anymore.

Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-08 15:17:45 +01:00
Daniel Borkmann
a769fa7208 bpf, doc: update design qa to reflect kern_version requirement
Update the bpf_design_QA.rst to also reflect recent changes in
6c4fc209fc ("bpf: remove useless version check for prog load").

Suggested-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-07 15:52:00 -08:00
Alison Wang
5dc4ca2996
ASoC: sgtl5000: Allow SCLK pad drive strength to be changed
This patch introduces "sclk-strength" property to allow SCLK pad drive
strength to be changed via device tree.

When running playback test on LS1028ARDB, Tx Frame sync error interrupt
will occur sometimes. Some noises also exist. After changing SCLK pad
drive strength to the maximum value, the issues are gone.

Signed-off-by: Alison Wang <alison.wang@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-07 18:11:25 +00:00
Maruthi Srinivas Bayyavarapu
2f00f7715e
dt-bindings: ASoC: xlnx, spdif: Document spdif bindings
Added documentation for SPDIF IP DT bindings.

Signed-off-by: Maruthi Srinivas Bayyavarapu <maruthi.srinivas.bayyavarapu@xilinx.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-07 18:05:57 +00:00
Cosmin Samoila
e595da28ec
ASoC: micfil: Add bindings for MICFIL DAI
Document the bindings for MICFIL DAI.

Signed-off-by: Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-07 17:00:39 +00:00
Daniel Baluta
5d8d66077a
ASoC: dt-bindings: Document support for ak4497
ak4458 driver supports also ak4497 codec.

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-07 16:48:39 +00:00
Kunihiko Hayashi
69af3d1b8a dt-bindings: reset: uniphier: Add AHCI core reset description
Add compatible strings for reset control of AHCI core implemented in
UniPhier SoCs. The reset control belongs to AHCI glue layer.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2019-01-07 16:38:51 +01:00
Kunihiko Hayashi
21b22136b4 dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
Replace the expression of "USB3 glue layer" with the glue layer of the
generic peripherals to allow other devices to use it. The reset control
belongs to this glue layer.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2019-01-07 16:38:51 +01:00
Dinh Nguyen
a277105b23 ARM: socfpga: dts: document "altr,stratix10-rst-mgr" binding
"altr,stratix10-rst-mgr" is used for the Stratix10 reset manager.

Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2019-01-07 16:38:51 +01:00
Guo Ren
8a5aaf97cc Documentation/features: Add csky kernel features
core/ cBPF-JIT             : TODO |
      core/ eBPF-JIT             : TODO |
      core/ generic-idle-thread  :  ok  |
      core/ jump-labels          : TODO |
      core/ tracehook            :  ok  |
     debug/ KASAN                : TODO |
     debug/ gcov-profile-all     : TODO |
     debug/ kgdb                 : TODO |
     debug/ kprobes-on-ftrace    : TODO |
     debug/ kprobes              : TODO |
     debug/ kretprobes           : TODO |
     debug/ optprobes            : TODO |
     debug/ stackprotector       : TODO |
     debug/ uprobes              : TODO |
     debug/ user-ret-profiler    : TODO |
        io/ dma-contiguous       :  ok  |
   locking/ cmpxchg-local        : TODO |
   locking/ lockdep              : TODO |
   locking/ queued-rwlocks       :  ok  |
   locking/ queued-spinlocks     : TODO |
   locking/ rwsem-optimized      : TODO |
      perf/ kprobes-event        : TODO |
      perf/ perf-regs            : TODO |
      perf/ perf-stackdump       : TODO |
     sched/ membarrier-sync-core : TODO |
     sched/ numa-balancing       :  ..  |
   seccomp/ seccomp-filter       : TODO |
      time/ arch-tick-broadcast  : TODO |
      time/ clockevents          :  ok  |
      time/ context-tracking     : TODO |
      time/ irq-time-acct        : TODO |
      time/ modern-timekeeping   :  ok  |
      time/ virt-cpuacct         : TODO |
        vm/ ELF-ASLR             : TODO |
        vm/ PG_uncached          : TODO |
        vm/ THP                  :  ..  |
        vm/ batch-unmap-tlb-flush: TODO |
        vm/ huge-vmap            : TODO |
        vm/ ioremap_prot         : TODO |
        vm/ numa-memblock        :  ..  |
        vm/ pte_special          : TODO |

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Arnd Bergmann <arnd@arndb.de>
2019-01-07 22:22:16 +08:00
Mark Brown
aa07e38b0a
Merge branch 'asoc-4.22' into asoc-5.0 2019-01-07 12:18:14 +00:00
Matthew Wilcox
b0606fed6e XArray: Honour reserved entries in xa_insert
xa_insert() should treat reserved entries as occupied, not as available.
Also, it should treat requests to insert a NULL pointer as a request
to reserve the slot.  Add xa_insert_bh() and xa_insert_irq() for
completeness.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
2019-01-06 22:12:58 -05:00
Linus Torvalds
85e1ffbd42 Kbuild late updates for v4.21
- improve boolinit.cocci and use_after_iter.cocci semantic patches
 
 - fix alignment for kallsyms
 
 - move 'asm goto' compiler test to Kconfig and clean up jump_label
   CONFIG option
 
 - generate asm-generic wrappers automatically if arch does not implement
   mandatory UAPI headers
 
 - remove redundant generic-y defines
 
 - misc cleanups
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Merge tag 'kbuild-v4.21-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull more Kbuild updates from Masahiro Yamada:

 - improve boolinit.cocci and use_after_iter.cocci semantic patches

 - fix alignment for kallsyms

 - move 'asm goto' compiler test to Kconfig and clean up jump_label
   CONFIG option

 - generate asm-generic wrappers automatically if arch does not
   implement mandatory UAPI headers

 - remove redundant generic-y defines

 - misc cleanups

* tag 'kbuild-v4.21-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kconfig: rename generated .*conf-cfg to *conf-cfg
  kbuild: remove unnecessary stubs for archheader and archscripts
  kbuild: use assignment instead of define ... endef for filechk_* rules
  arch: remove redundant UAPI generic-y defines
  kbuild: generate asm-generic wrappers if mandatory headers are missing
  arch: remove stale comments "UAPI Header export list"
  riscv: remove redundant kernel-space generic-y
  kbuild: change filechk to surround the given command with { }
  kbuild: remove redundant target cleaning on failure
  kbuild: clean up rule_dtc_dt_yaml
  kbuild: remove UIMAGE_IN and UIMAGE_OUT
  jump_label: move 'asm goto' support test to Kconfig
  kallsyms: lower alignment on ARM
  scripts: coccinelle: boolinit: drop warnings on named constants
  scripts: coccinelle: check for redeclaration
  kconfig: remove unused "file" field of yylval union
  nds32: remove redundant kernel-space generic-y
  nios2: remove unneeded HAS_DMA define
2019-01-06 16:33:10 -08:00
Linus Torvalds
baa6707381 Add Adiantum support for fscrypt
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Merge tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt

Pull fscrypt updates from Ted Ts'o:
 "Add Adiantum support for fscrypt"

* tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
  fscrypt: add Adiantum support
2019-01-06 12:21:11 -08:00
Linus Torvalds
e2b745f469 dma-mapping fixes for Linux 4.21-rc1
Fix various regressions introduced in this cycles:
 
  - fix dma-debug tracking for the map_page / map_single consolidatation
  - properly stub out DMA mapping symbols for !HAS_DMA builds to avoid
    link failures
  - fix AMD Gart direct mappings
  - setup the dma address for no kernel mappings using the remap
    allocator
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Merge tag 'dma-mapping-4.21-1' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:
 "Fix various regressions introduced in this cycles:

   - fix dma-debug tracking for the map_page / map_single
     consolidatation

   - properly stub out DMA mapping symbols for !HAS_DMA builds to avoid
     link failures

   - fix AMD Gart direct mappings

   - setup the dma address for no kernel mappings using the remap
     allocator"

* tag 'dma-mapping-4.21-1' of git://git.infradead.org/users/hch/dma-mapping:
  dma-direct: fix DMA_ATTR_NO_KERNEL_MAPPING for remapped allocations
  x86/amd_gart: fix unmapping of non-GART mappings
  dma-mapping: remove a few unused exports
  dma-mapping: properly stub out the DMA API for !CONFIG_HAS_DMA
  dma-mapping: remove dmam_{declare,release}_coherent_memory
  dma-mapping: implement dmam_alloc_coherent using dmam_alloc_attrs
  dma-mapping: implement dma_map_single_attrs using dma_map_page_attrs
2019-01-06 11:47:26 -08:00
Linus Torvalds
66e012f618 hwspinlock updates for v4.21
This adds support for the hardware semaphores found in STM32MP1.
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Merge tag 'hwlock-v4.21' of git://github.com/andersson/remoteproc

Pull hwspinlock updates from Bjorn Andersson:
 "This adds support for the hardware semaphores found in STM32MP1"

* tag 'hwlock-v4.21' of git://github.com/andersson/remoteproc:
  hwspinlock: fix return value check in stm32_hwspinlock_probe()
  hwspinlock: add STM32 hwspinlock device
  dt-bindings: hwlock: Document STM32 hwspinlock bindings
2019-01-06 11:37:44 -08:00
John Pittman
373282e7ab null_blk: add zoned config support information
If the kernel is built without CONFIG_BLK_DEV_ZONED, a modprobe
of the null_blk driver with zoned=1 fails with 'Invalid argument'.
This can be confusing to users, prompting a search as to why the
parameter is invalid. To assist in that search, add a bit more
information to the failure, additionally adding to the documentation
that CONFIG_BLK_DEV_ZONED is needed for zoned=1.

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: John Pittman <jpittman@redhat.com>

Added null_blk prefix to error message.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-01-06 10:58:27 -07:00
Eric Biggers
8094c3ceb2 fscrypt: add Adiantum support
Add support for the Adiantum encryption mode to fscrypt.  Adiantum is a
tweakable, length-preserving encryption mode with security provably
reducible to that of XChaCha12 and AES-256, subject to a security bound.
It's also a true wide-block mode, unlike XTS.  See the paper
"Adiantum: length-preserving encryption for entry-level processors"
(https://eprint.iacr.org/2018/720.pdf) for more details.  Also see
commit 059c2a4d8e ("crypto: adiantum - add Adiantum support").

On sufficiently long messages, Adiantum's bottlenecks are XChaCha12 and
the NH hash function.  These algorithms are fast even on processors
without dedicated crypto instructions.  Adiantum makes it feasible to
enable storage encryption on low-end mobile devices that lack AES
instructions; currently such devices are unencrypted.  On ARM Cortex-A7,
on 4096-byte messages Adiantum encryption is about 4 times faster than
AES-256-XTS encryption; decryption is about 5 times faster.

In fscrypt, Adiantum is suitable for encrypting both file contents and
names.  With filenames, it fixes a known weakness: when two filenames in
a directory share a common prefix of >= 16 bytes, with CTS-CBC their
encrypted filenames share a common prefix too, leaking information.
Adiantum does not have this problem.

Since Adiantum also accepts long tweaks (IVs), it's also safe to use the
master key directly for Adiantum encryption rather than deriving
per-file keys, provided that the per-file nonce is included in the IVs
and the master key isn't used for any other encryption mode.  This
configuration saves memory and improves performance.  A new fscrypt
policy flag is added to allow users to opt-in to this configuration.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2019-01-06 08:36:21 -05:00
Linus Torvalds
b5aef86e08 A handful of late-arriving documentation fixes.
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Merge tag 'docs-5.0-fixes' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A handful of late-arriving documentation fixes"

* tag 'docs-5.0-fixes' of git://git.lwn.net/linux:
  doc: filesystems: fix bad references to nonexistent ext4.rst file
  Documentation/admin-guide: update URL of LKML information link
  Docs/kernel-api.rst: Remove blk-tag.c reference
2019-01-05 18:35:02 -08:00
Linus Torvalds
7671c14e6a Merge branch 'i2c/for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "I2C has only driver updates for you this time.

  Mostly new IDs/DT compatibles, also SPDX conversions, small cleanups.
  STM32F7 got FastMode+ and PM support, Axxia some reliabilty
  improvements"

* 'i2c/for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (26 commits)
  i2c: Add Actions Semiconductor Owl family S700 I2C support
  dt-bindings: i2c: Add S700 support for Actions Semi Soc's
  i2c: ismt: Add support for Intel Cedar Fork
  i2c: tegra: Switch to SPDX identifier
  i2c: tegra: Add missing kerneldoc for some fields
  i2c: tegra: Cleanup kerneldoc comments
  i2c: axxia: support sequence command mode
  dt-bindings: i2c: rcar: Add r8a774c0 support
  dt-bindings: i2c: sh_mobile: Add r8a774c0 support
  i2c: sh_mobile: Add support for r8a774c0 (RZ/G2E)
  i2c: i2c-cros-ec-tunnel: Switch to SPDX identifier.
  i2c: powermac: Use of_node_name_eq for node name comparisons
  i2c-axxia: check for error conditions first
  i2c-axxia: dedicated function to set client addr
  dt-bindings: i2c: Use correct vendor prefix for Atmel
  i2c: tegra: replace spin_lock_irqsave with spin_lock in ISR
  eeprom: at24: add support for 24c2048
  dt-bindings: eeprom: at24: add "atmel,24c2048" compatible string
  i2c: i2c-stm32f7: add PM Runtime support
  i2c: sh_mobile: add support for r8a77990 (R-Car E3)
  ...
2019-01-05 18:13:35 -08:00
Linus Torvalds
926b02d3eb pci-v4.21-changes
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Merge tag 'pci-v4.21-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

 - Remove unused lists from ASPM pcie_link_state (Frederick Lawler)

 - Fix Broadcom CNB20LE host bridge unintended sign extension (Colin Ian
   King)

 - Expand Kconfig "PF" acronyms (Randy Dunlap)

 - Update MAINTAINERS for arch/x86/kernel/early-quirks.c (Bjorn Helgaas)

 - Add missing include to drivers/pci.h (Alexandru Gagniuc)

 - Override Synopsys USB 3.x HAPS device class so dwc3-haps can claim it
   instead of xhci (Thinh Nguyen)

 - Clean up P2PDMA documentation (Randy Dunlap)

 - Allow runtime PM even if driver doesn't supply callbacks (Jarkko
   Nikula)

 - Remove status check after submitting Switchtec MRPC Firmware Download
   commands to avoid Completion Timeouts (Kelvin Cao)

 - Set Switchtec coherent DMA mask to allow 64-bit DMA (Boris Glimcher)

 - Fix Switchtec SWITCHTEC_IOCTL_EVENT_IDX_ALL flag overwrite issue
   (Joey Zhang)

 - Enable write combining for Switchtec MRPC Input buffers (Kelvin Cao)

 - Add Switchtec MRPC DMA mode support (Wesley Sheng)

 - Skip VF scanning on powerpc, which does this in firmware (Sebastian
   Ott)

 - Add Amlogic Meson PCIe controller driver and DT bindings (Yue Wang)

 - Constify histb dw_pcie_host_ops structure (Julia Lawall)

 - Support multiple power domains for imx6 (Leonard Crestez)

 - Constify layerscape driver data (Stefan Agner)

 - Update imx6 Kconfig to allow imx6 PCIe in imx7 kernel (Trent Piepho)

 - Support armada8k GPIO reset (Baruch Siach)

 - Support suspend/resume support on imx6 (Leonard Crestez)

 - Don't hard-code DesignWare DBI/ATU offst (Stephen Warren)

 - Skip i.MX6 PHY setup on i.MX7D (Andrey Smirnov)

 - Remove Jianguo Sun from HiSilicon STB maintainers (Lorenzo Pieralisi)

 - Mask DesignWare interrupts instead of disabling them to avoid lost
   interrupts (Marc Zyngier)

 - Add locking when acking DesignWare interrupts (Marc Zyngier)

 - Ack DesignWare interrupts in the proper callbacks (Marc Zyngier)

 - Use devm resource parser in mediatek (Honghui Zhang)

 - Remove unused mediatek "num-lanes" DT property (Honghui Zhang)

 - Add UniPhier PCIe controller driver and DT bindings (Kunihiko
   Hayashi)

 - Enable MSI for imx6 downstream components (Richard Zhu)

* tag 'pci-v4.21-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (40 commits)
  PCI: imx: Enable MSI from downstream components
  s390/pci: skip VF scanning
  PCI/IOV: Add flag so platforms can skip VF scanning
  PCI/IOV: Factor out sriov_add_vfs()
  PCI: uniphier: Add UniPhier PCIe host controller support
  dt-bindings: PCI: Add UniPhier PCIe host controller description
  PCI: amlogic: Add the Amlogic Meson PCIe controller driver
  dt-bindings: PCI: meson: add DT bindings for Amlogic Meson PCIe controller
  arm64: dts: mt7622: Remove un-used property for PCIe
  arm: dts: mt7623: Remove un-used property for PCIe
  dt-bindings: PCI: MediaTek: Remove un-used property
  PCI: mediatek: Remove un-used variant in struct mtk_pcie_port
  MAINTAINERS: Remove Jianguo Sun from HiSilicon STB DWC entry
  PCI: dwc: Don't hard-code DBI/ATU offset
  PCI: imx: Add imx6sx suspend/resume support
  PCI: armada8k: Add support for gpio controlled reset signal
  PCI: dwc: Adjust Kconfig to allow IMX6 PCIe host on IMX7
  PCI: dwc: layerscape: Constify driver data
  PCI: imx: Add multi-pd support
  PCI: Override Synopsys USB 3.x HAPS device class
  ...
2019-01-05 17:57:34 -08:00
Linus Torvalds
cf26057a94 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:

 - high-resolution scrolling support that gracefully handles differences
   between MS and Logitech implementations in HW, from Peter Hutterer
   and Harry Cutts

 - MSI IRQ support for intel-ish driver, from Song Hongyan

 - support for new hardware (Cougar 700K, Odys Winbook 13, ASUS FX503VD,
   ASUS T101HA) from Daniel M. Lambea, Hans de Goede and Aleix Roca
   Nonell

 - other small assorted fixups

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (22 commits)
  HID: i2c-hid: Add Odys Winbook 13 to descriptor override
  HID: lenovo: Add checks to fix of_led_classdev_register
  HID: intel-ish-hid: add MSI interrupt support
  HID: debug: Change to use DEFINE_SHOW_ATTRIBUTE macro
  HID: doc: fix wrong data structure reference for UHID_OUTPUT
  HID: intel-ish-hid: fixes incorrect error handling
  HID: asus: Add support for the ASUS T101HA keyboard dock
  HID: logitech: Use LDJ_DEVICE macro for existing Logitech mice
  HID: logitech: Enable high-resolution scrolling on Logitech mice
  HID: logitech: Add function to enable HID++ 1.0 "scrolling acceleration"
  HID: logitech-hidpp: fix typo, hiddpp to hidpp
  HID: input: use the Resolution Multiplier for high-resolution scrolling
  HID: core: process the Resolution Multiplier
  HID: core: store the collections as a basic tree
  Input: add `REL_WHEEL_HI_RES` and `REL_HWHEEL_HI_RES`
  HID: input: support Microsoft wireless radio control hotkey
  HID: use macros in IS_INPUT_APPLICATION
  HID: asus: Add support for the ASUS FX503VD laptop
  HID: asus: Add event handler to catch unmapped Asus Vendor UsagePage codes
  HID: cougar: Add support for Cougar 700K Gaming Keyboard
  ...
2019-01-05 17:53:40 -08:00
Masahiro Yamada
919987318a kbuild: generate asm-generic wrappers if mandatory headers are missing
Some time ago, Sam pointed out a certain degree of overwrap between
generic-y and mandatory-y. (https://lkml.org/lkml/2017/7/10/121)

I tweaked the meaning of mandatory-y a little bit; now it defines the
minimum set of ASM headers that all architectures must have.

If arch does not have specific implementation of a mandatory header,
Kbuild will let it fallback to the asm-generic one by automatically
generating a wrapper. This will allow to drop lots of redundant
generic-y defines.

Previously, "mandatory" was used in the context of UAPI, but I guess
this can be extended to kernel space ASM headers.

Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
2019-01-06 09:46:51 +09:00
Linus Torvalds
c280230254 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
Pull thermal SoC updates from Eduardo Valentin:

 - Tegra DT binding documentation for Tegra194

 - Armada now supports ap806 and cp110

 - RCAR thermal now supports R8A774C0 and R8A77990

 - Fixes on thermal_hwmon, IMX, generic-ADC, ST, RCAR, Broadcom,
   Uniphier, QCOM, Tegra, PowerClamp, and Armada thermal drivers.

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: (22 commits)
  thermal: generic-adc: Fix adc to temp interpolation
  thermal: rcar_thermal: add R8A77990 support
  dt-bindings: thermal: rcar-thermal: add R8A77990 support
  thermal: rcar_thermal: add R8A774C0 support
  dt-bindings: thermal: rcar-thermal: add R8A774C0 support
  dt-bindings: cp110: document the thermal interrupt capabilities
  dt-bindings: ap806: document the thermal interrupt capabilities
  MAINTAINERS: thermal: add entry for Marvell MVEBU thermal driver
  thermal: armada: add overheat interrupt support
  thermal: st: fix Makefile typo
  thermal: uniphier: Convert to SPDX identifier
  thermal/intel_powerclamp: Change to use DEFINE_SHOW_ATTRIBUTE macro
  thermal: tegra: soctherm: Change to use DEFINE_SHOW_ATTRIBUTE macro
  dt-bindings: thermal: tegra-bpmp: Add Tegra194 support
  thermal: imx: save one condition block for normal case of nvmem initialization
  thermal: imx: fix for dependency on cpu-freq
  thermal: tsens: qcom: do not create duplicate regmap debugfs entries
  thermal: armada: Use PTR_ERR_OR_ZERO in armada_thermal_probe_legacy()
  dt-bindings: thermal: rcar-gen3-thermal: All variants use 3 interrupts
  thermal: broadcom: use devm_thermal_zone_of_sensor_register
  ...
2019-01-05 16:01:16 -08:00
Linus Torvalds
b23b0ea370 ARM: SoC: late updates
A few updates that we merged late but are low risk for regressions for
 other platforms (and a few other straggling patches):
 
  - I mis-tagged the 'drivers' branch, and missed 3 patches. Merged in
    here. They're for a driver for the PL353 SRAM controller and a build
    fix for the qualcomm scm driver.
  - A new platform, RDA Micro RDA8810PL (Cortex-A5 w/ integrated Vivante
    GPU, 256MB RAM, Wifi). This includes some acked platform-specific
    drivers (serial, etc). This also include DTs for two boards with this
    SoC, OrangePi 2G and OrangePi i86.
  - i.MX8 is another new platform (NXP, 4x Cortex-A53 + Cortex-M4, 4K
    video playback offload). This is the first i.MX 64-bit SoC.
  - Some minor updates to Samsung boards (adding a few peripherals in
    DTs).
  - Small rework for SMP bootup on STi platforms.
  - A couple of TEE driver fixes.
  - A couple of new config options (bcm2835 thermal, Uniphier MDMAC)
    enabled in defconfigs.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull more ARM SoC updates from Olof Johansson:
 "A few updates that we merged late but are low risk for regressions for
  other platforms (and a few other straggling patches):

   - I mis-tagged the 'drivers' branch, and missed 3 patches. Merged in
     here. They're for a driver for the PL353 SRAM controller and a
     build fix for the qualcomm scm driver.

   - A new platform, RDA Micro RDA8810PL (Cortex-A5 w/ integrated
     Vivante GPU, 256MB RAM, Wifi). This includes some acked
     platform-specific drivers (serial, etc). This also include DTs for
     two boards with this SoC, OrangePi 2G and OrangePi i86.

   - i.MX8 is another new platform (NXP, 4x Cortex-A53 + Cortex-M4, 4K
     video playback offload). This is the first i.MX 64-bit SoC.

   - Some minor updates to Samsung boards (adding a few peripherals in
     DTs).

   - Small rework for SMP bootup on STi platforms.

   - A couple of TEE driver fixes.

   - A couple of new config options (bcm2835 thermal, Uniphier MDMAC)
     enabled in defconfigs"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (27 commits)
  ARM: multi_v7_defconfig: enable CONFIG_UNIPHIER_MDMAC
  arm64: defconfig: Re-enable bcm2835-thermal driver
  MAINTAINERS: Add entry for RDA Micro SoC architecture
  tty: serial: Add RDA8810PL UART driver
  ARM: dts: rda8810pl: Add interrupt support for UART
  dt-bindings: serial: Document RDA Micro UART
  ARM: dts: rda8810pl: Add timer support
  ARM: dts: Add devicetree for OrangePi i96 board
  ARM: dts: Add devicetree for OrangePi 2G IoT board
  ARM: dts: Add devicetree for RDA8810PL SoC
  ARM: Prepare RDA8810PL SoC
  dt-bindings: arm: Document RDA8810PL and reference boards
  dt-bindings: Add RDA Micro vendor prefix
  ARM: sti: remove pen_release and boot_lock
  arm64: dts: exynos: Add Bluetooth chip to TM2(e) boards
  arm64: dts: imx8mq-evk: enable watchdog
  arm64: dts: imx8mq: add watchdog devices
  MAINTAINERS: add i.MX8 DT path to i.MX architecture
  arm64: add support for i.MX8M EVK board
  arm64: add basic DTS for i.MX8MQ
  ...
2019-01-05 11:30:37 -08:00
Linus Torvalds
a65981109f Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:

 - procfs updates

 - various misc bits

 - lib/ updates

 - epoll updates

 - autofs

 - fatfs

 - a few more MM bits

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (58 commits)
  mm/page_io.c: fix polled swap page in
  checkpatch: add Co-developed-by to signature tags
  docs: fix Co-Developed-by docs
  drivers/base/platform.c: kmemleak ignore a known leak
  fs: don't open code lru_to_page()
  fs/: remove caller signal_pending branch predictions
  mm/: remove caller signal_pending branch predictions
  arch/arc/mm/fault.c: remove caller signal_pending_branch predictions
  kernel/sched/: remove caller signal_pending branch predictions
  kernel/locking/mutex.c: remove caller signal_pending branch predictions
  mm: select HAVE_MOVE_PMD on x86 for faster mremap
  mm: speed up mremap by 20x on large regions
  mm: treewide: remove unused address argument from pte_alloc functions
  initramfs: cleanup incomplete rootfs
  scripts/gdb: fix lx-version string output
  kernel/kcov.c: mark write_comp_data() as notrace
  kernel/sysctl: add panic_print into sysctl
  panic: add options to print system info when panic happens
  bfs: extra sanity checking and static inode bitmap
  exec: separate MM_ANONPAGES and RLIMIT_STACK accounting
  ...
2019-01-05 09:16:18 -08:00
Weiping Zhang
bb351abaf5 block: add documentation for io_timeout
Add documentation for /sys/block/<disk>/queue/io_timeout.

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Weiping Zhang <zhangweiping@didiglobal.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-01-04 19:19:51 -07:00
Olof Johansson
00f8ccd0c9 Merge branch 'next/drivers' into next/late
Merge in a few missing patches from the pull request (my copy of the
branch was behind the staged version in linux-next).

* next/drivers:
  memory: pl353: Add driver for arm pl353 static memory controller
  dt-bindings: memory: Add pl353 smc controller devicetree binding information
  firmware: qcom: scm: fix compilation error when disabled

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-01-04 14:31:38 -08:00
Jorge Ramirez-Ortiz
ae67ee6c5e docs: fix Co-Developed-by docs
The accepted terminology will be Co-developed-by therefore lose the
capital letter from now on.

Link: http://lkml.kernel.org/r/1544808928-20002-2-git-send-email-jorge.ramirez-ortiz@linaro.org
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Acked-by: Himanshu Jha <himanshujha199640@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Joe Perches <joe@perches.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Niklas Cassel <niklas.cassel@linaro.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-01-04 13:13:48 -08:00
Feng Tang
81c9d43f94 kernel/sysctl: add panic_print into sysctl
So that we can also runtime chose to print out the needed system info
for panic, other than setting the kernel cmdline.

Link: http://lkml.kernel.org/r/1543398842-19295-3-git-send-email-feng.tang@intel.com
Signed-off-by: Feng Tang <feng.tang@intel.com>
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-01-04 13:13:47 -08:00
Feng Tang
d999bd9392 panic: add options to print system info when panic happens
Kernel panic issues are always painful to debug, partially because it's
not easy to get enough information of the context when panic happens.

And we have ramoops and kdump for that, while this commit tries to
provide a easier way to show the system info by adding a cmdline
parameter, referring some idea from sysrq handler.

Link: http://lkml.kernel.org/r/1543398842-19295-2-git-send-email-feng.tang@intel.com
Signed-off-by: Feng Tang <feng.tang@intel.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-01-04 13:13:47 -08:00
Alexey Dobriyan
3fe5dbfef4 Documentation/process/coding-style.rst: don't use "extern" with function prototypes
`extern' with function prototypes makes lines longer and creates more
characters on the screen.

Do not bug people with checkpatch.pl warnings for now as fallout can be
devastating.

Link: http://lkml.kernel.org/r/20181101134153.GA29267@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-01-04 13:13:45 -08:00
Peter Ujfalusi
4664b94c98
ASoC: davinci-mcasp: Document GPIO support
McASP pins can be used as GPIO, add optional section to enable GPIO support
for McASP.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-04 15:20:44 +00:00
Christoph Hellwig
4788ba5792 dma-mapping: remove dmam_{declare,release}_coherent_memory
These functions have never been used.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-01-04 09:03:17 +01:00
Linus Torvalds
43d86ee8c6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "Several fixes here. Basically split down the line between newly
  introduced regressions and long existing problems:

   1) Double free in tipc_enable_bearer(), from Cong Wang.

   2) Many fixes to nf_conncount, from Florian Westphal.

   3) op->get_regs_len() can throw an error, check it, from Yunsheng
      Lin.

   4) Need to use GFP_ATOMIC in *_add_hash_mac_address() of fsl/fman
      driver, from Scott Wood.

   5) Inifnite loop in fib_empty_table(), from Yue Haibing.

   6) Use after free in ax25_fillin_cb(), from Cong Wang.

   7) Fix socket locking in nr_find_socket(), also from Cong Wang.

   8) Fix WoL wakeup enable in r8169, from Heiner Kallweit.

   9) On 32-bit sock->sk_stamp is not thread-safe, from Deepa Dinamani.

  10) Fix ptr_ring wrap during queue swap, from Cong Wang.

  11) Missing shutdown callback in hinic driver, from Xue Chaojing.

  12) Need to return NULL on error from ip6_neigh_lookup(), from Stefano
      Brivio.

  13) BPF out of bounds speculation fixes from Daniel Borkmann"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (57 commits)
  ipv6: Consider sk_bound_dev_if when binding a socket to an address
  ipv6: Fix dump of specific table with strict checking
  bpf: add various test cases to selftests
  bpf: prevent out of bounds speculation on pointer arithmetic
  bpf: fix check_map_access smin_value test when pointer contains offset
  bpf: restrict unknown scalars of mixed signed bounds for unprivileged
  bpf: restrict stack pointer arithmetic for unprivileged
  bpf: restrict map value pointer arithmetic for unprivileged
  bpf: enable access to ax register also from verifier rewrite
  bpf: move tmp variable into ax register in interpreter
  bpf: move {prev_,}insn_idx into verifier env
  isdn: fix kernel-infoleak in capi_unlocked_ioctl
  ipv6: route: Fix return value of ip6_neigh_lookup() on neigh_create() error
  net/hamradio/6pack: use mod_timer() to rearm timers
  net-next/hinic:add shutdown callback
  net: hns3: call hns3_nic_net_open() while doing HNAE3_UP_CLIENT
  ip: validate header length on virtual device xmit
  tap: call skb_probe_transport_header after setting skb->dev
  ptr_ring: wrap back ->producer in __ptr_ring_swap_queue()
  net: rds: remove unnecessary NULL check
  ...
2019-01-03 12:53:47 -08:00
Parthiban Nallathambi
78c0c25a8c dt-bindings: i2c: Add S700 support for Actions Semi Soc's
Add s700 compatible string to Actions Semi SoC dt-bindings.

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-01-03 20:36:17 +01:00
Katsuhiro Suzuki
c32759035a
ASoC: rockchip: support ACODEC for rk3328
This patch adds support for audio CODEC core of rk3328.

Rockchip does not publish detail specification of this core
but driver source code is opened on their GitHub repository.
  https://github.com/rockchip-linux/kernel

So I ported this code to linux-next and added some trivial fixes.

Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-03 16:34:35 +00:00
Maruthi Srinivas Bayyavarapu
e3e12ec09a
dt-bindings: ASoC: xlnx, audio-formatter: Document audio formatter bindings
Added documentation for audio formatter IP core DT bindings.

Signed-off-by: Maruthi Srinivas Bayyavarapu <maruthi.srinivas.bayyavarapu@xilinx.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-03 16:34:20 +00:00
Kuninori Morimoto
bb93487b85
ASoC: simple-scu-card: remove simple-scu-card on Doc
It is already merged into simple-card.
simple-scu-card is no longer needed.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-03 16:34:18 +00:00
Kuninori Morimoto
e4f4fdfc57
ASoC: audio-graph-scu-card: remove audio-graph-scu-card on Doc
It is already merged into audio-graph-card.
audio-graph-scu-card is no longer needed.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-03 16:34:16 +00:00
Alexander Shiyan
0ddb46080a
ASoC: cs4341: Add DT bindings documentation for CS4341 DAC
This patch adds DT bindings documentation for Cirrus Logic
CS4341 DAC.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-01-03 16:34:03 +00:00
Otto Sabart
93fb7f1998 doc: filesystems: fix bad references to nonexistent ext4.rst file
The ext4.rst file does not exist anymore. This patch changes all references
to point to the whole ext4 directory.

Fixes: d309121592 ("docs: move ext4 administrative docs to admin-guide/")
Signed-off-by: Otto Sabart <ottosabart@seberm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-01-03 09:28:45 -07:00
Ramunas Geciauskas
2d457d5506 Documentation/admin-guide: update URL of LKML information link
Information regarding linux-kernel mailing list is no longer hosted on tux.org
Update the link to point to the one available at kernel.org

Signed-off-by: Ramunas Geciauskas <kernel@geciauskas.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-01-03 09:23:59 -07:00
Marcos Paulo de Souza
caaf3c83d2 Docs/kernel-api.rst: Remove blk-tag.c reference
After 7ca0192646, legacy rq tagging was removed, so block/blk-tag.c
does not exists anymore. When generating pdfdocs, sphinx complains about
this missing file:

Error: Cannot open file ./block/blk-tag.c
Error: Cannot open file ./block/blk-tag.c
Error: Cannot open file ./block/blk-tag.c
Error: Cannot open file ./block/blk-tag.c

So remove blk-tag.c traces from kernel-api.rst file to silence these
warnings.

Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-01-03 09:18:27 -07:00
Jiri Kosina
bd8879faaf Merge branches 'for-4.20/upstream-fixes', 'for-4.21/core', 'for-4.21/hid-asus', 'for-4.21/hid-core', 'for-4.21/hid-cougar', 'for-4.21/hidraw', 'for-4.21/highres-wheel' and 'for-4.21/ish' into for-linus 2019-01-03 12:50:28 +01:00
Linus Torvalds
645ff1e8e7 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "A tiny pull request this merge window unfortunately, should get more
  material in for the next release:

   - new driver for Raspberry Pi's touchscreen (firmware interface)

   - miscellaneous input driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G
  Input: atmel_mxt_ts - don't try to free unallocated kernel memory
  Input: drv2667 - fix indentation issues
  Input: touchscreen - fix coding style issue
  Input: add official Raspberry Pi's touchscreen driver
  Input: nomadik-ske-keypad - fix a loop timeout test
  Input: rotary-encoder - don't log EPROBE_DEFER to kernel log
  Input: olpc_apsp - remove set but not used variable 'np'
  Input: olpc_apsp - enable the SP clock
  Input: olpc_apsp - check FIFO status on open(), not probe()
  Input: olpc_apsp - drop CONFIG_OLPC dependency
  clk: mmp2: add SP clock
  dt-bindings: marvell,mmp2: Add clock id for the SP clock
  Input: ad7879 - drop platform data support
2019-01-02 18:56:59 -08:00
Linus Torvalds
35ddb06a46 - Introduce device-managed registration devm_mbox_controller_un/register and convert drivers to use it
- Introduce flush api to support clients that must busy-wait in atomic context
 - Support multiple controllers per device
 - Hi3660: a bugfix and constify ops structure
 - TI-MsgMgr: off by one bugfix.
 - BCM: switch to spdx license
 - Tegra-HSP: support for shared mailboxes and suspend/resume.
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Merge tag 'mailbox-v4.21' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:

 - Introduce device-managed registration
   devm_mbox_controller_un/register and convert drivers to use it

 - Introduce flush api to support clients that must busy-wait in atomic
   context

 - Support multiple controllers per device

 - Hi3660: a bugfix and constify ops structure

 - TI-MsgMgr: off by one bugfix.

 - BCM: switch to spdx license

 - Tegra-HSP: support for shared mailboxes and suspend/resume.

* tag 'mailbox-v4.21' of git://git.linaro.org/landing-teams/working/fujitsu/integration: (30 commits)
  mailbox: tegra-hsp: Use device-managed registration API
  mailbox: tegra-hsp: use devm_kstrdup_const()
  mailbox: tegra-hsp: Add suspend/resume support
  mailbox: tegra-hsp: Add support for shared mailboxes
  dt-bindings: tegra186-hsp: Add shared mailboxes
  mailbox: Allow multiple controllers per device
  mailbox: Support blocking transfers in atomic context
  mailbox: ti-msgmgr: Use device-managed registration API
  mailbox: stm32-ipcc: Use device-managed registration API
  mailbox: rockchip: Use device-managed registration API
  mailbox: qcom-apcs: Use device-managed registration API
  mailbox: platform-mhu: Use device-managed registration API
  mailbox: omap: Use device-managed registration API
  mailbox: mtk-cmdq: Remove needless devm_kfree() calls
  mailbox: mtk-cmdq: Use device-managed registration API
  mailbox: xgene-slimpro: Use device-managed registration API
  mailbox: sti: Use device-managed registration API
  mailbox: altera: Use device-managed registration API
  mailbox: imx: Use device-managed registration API
  mailbox: hi6220: Use device-managed registration API
  ...
2019-01-02 18:41:38 -08:00
Bjorn Helgaas
cdf4f4dc11 Merge branch 'remotes/lorenzo/pci/uniphier'
- Add UniPhier PCIe controller driver and DT bindings (Kunihiko Hayashi)

* remotes/lorenzo/pci/uniphier:
  PCI: uniphier: Add UniPhier PCIe host controller support
  dt-bindings: PCI: Add UniPhier PCIe host controller description

# Conflicts:
#	drivers/pci/controller/dwc/Kconfig
#	drivers/pci/controller/dwc/Makefile
2019-01-02 15:31:15 -06:00
Bjorn Helgaas
c266b026ae Merge branch 'remotes/lorenzo/pci/mediatek'
- Use devm resource parser in mediatek (Honghui Zhang)

  - Remove unused mediatek "num-lanes" DT property (Honghui Zhang)

* remotes/lorenzo/pci/mediatek:
  arm64: dts: mt7622: Remove un-used property for PCIe
  arm: dts: mt7623: Remove un-used property for PCIe
  dt-bindings: PCI: MediaTek: Remove un-used property
  PCI: mediatek: Remove un-used variant in struct mtk_pcie_port
  PCI: mediatek: Use devm_of_pci_get_host_bridge_resources() to parse DT
2019-01-02 15:31:10 -06:00
Bjorn Helgaas
6a790bf0ea Merge branch 'remotes/lorenzo/pci/dwc'
- Constify histb dw_pcie_host_ops structure (Julia Lawall)

  - Support multiple power domains for imx6 (Leonard Crestez)

  - Constify layerscape driver data (Stefan Agner)

  - Update imx6 Kconfig to allow imx6 PCIe in imx7 kernel (Trent Piepho)

  - Support armada8k GPIO reset (Baruch Siach)

  - Support suspend/resume support on imx6 (Leonard Crestez)

  - Don't hard-code DesignWare DBI/ATU offst (Stephen Warren)

  - Skip i.MX6 PHY setup on i.MX7D (Andrey Smirnov)

  - Remove Jianguo Sun from HiSilicon STB maintainers (Lorenzo Pieralisi)

* remotes/lorenzo/pci/dwc:
  MAINTAINERS: Remove Jianguo Sun from HiSilicon STB DWC entry
  PCI: dwc: Don't hard-code DBI/ATU offset
  PCI: imx: Add imx6sx suspend/resume support
  PCI: armada8k: Add support for gpio controlled reset signal
  PCI: dwc: Adjust Kconfig to allow IMX6 PCIe host on IMX7
  PCI: dwc: layerscape: Constify driver data
  PCI: imx: Add multi-pd support
  dt-bindings: imx6q-pcie: Add multi-pd bindings for imx6sx
  PCI: histb: Constify dw_pcie_host_ops structure
2019-01-02 15:31:08 -06:00
Bjorn Helgaas
33f3fd75b7 Merge branch 'remotes/lorenzo/pci/amlogic'
- Add Amlogic Meson PCIe controller driver and DT bindings (Yue Wang)

* remotes/lorenzo/pci/amlogic:
  PCI: amlogic: Add the Amlogic Meson PCIe controller driver
  dt-bindings: PCI: meson: add DT bindings for Amlogic Meson PCIe controller
2019-01-02 15:31:07 -06:00
Linus Torvalds
cacf02df4b 4 fixes for stable, improvements to DFS including allowing failover to alternate targets, and some small performance improvements
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Merge tag '4.21-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs updates from Steve French:

 - four fixes for stable

 - improvements to DFS including allowing failover to alternate targets

 - some small performance improvements

* tag '4.21-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: (39 commits)
  cifs: update internal module version number
  cifs: we can not use small padding iovs together with encryption
  cifs: Minor Kconfig clarification
  cifs: Always resolve hostname before reconnecting
  cifs: Add support for failover in cifs_reconnect_tcon()
  cifs: Add support for failover in smb2_reconnect()
  cifs: Only free DFS target list if we actually got one
  cifs: start DFS cache refresher in cifs_mount()
  cifs: Use GFP_ATOMIC when a lock is held in cifs_mount()
  cifs: Add support for failover in cifs_reconnect()
  cifs: Add support for failover in cifs_mount()
  cifs: remove set but not used variable 'sep'
  cifs: Make use of DFS cache to get new DFS referrals
  cifs: minor updates to documentation
  cifs: check kzalloc return
  cifs: remove set but not used variable 'server'
  cifs: Use kzfree() to free password
  cifs: Fix to use kmem_cache_free() instead of kfree()
  cifs: update for current_kernel_time64() removal
  cifs: Add DFS cache routines
  ...
2019-01-02 12:08:29 -08:00
Linus Torvalds
19f2e267a5 Merge branch 'next-smack' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull smack updates from James Morris:
 "Two Smack patches for 4.21.

  Jose's patch adds missing documentation and Zoran's fleshes out the
  access checks on keyrings"

* 'next-smack' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  Smack: Improve Documentation
  smack: fix access permissions for keyring
2019-01-02 10:56:09 -08:00
Linus Torvalds
d9a7fa67b4 Merge branch 'next-seccomp' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull seccomp updates from James Morris:

 - Add SECCOMP_RET_USER_NOTIF

 - seccomp fixes for sparse warnings and s390 build (Tycho)

* 'next-seccomp' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  seccomp, s390: fix build for syscall type change
  seccomp: fix poor type promotion
  samples: add an example of seccomp user trap
  seccomp: add a return code to trap to userspace
  seccomp: switch system call argument type to void *
  seccomp: hoist struct seccomp_data recalculation higher
2019-01-02 09:48:13 -08:00
Linus Torvalds
f218a29c25 Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull integrity updates from James Morris:
 "In Linux 4.19, a new LSM hook named security_kernel_load_data was
  upstreamed, allowing LSMs and IMA to prevent the kexec_load syscall.
  Different signature verification methods exist for verifying the
  kexec'ed kernel image. This adds additional support in IMA to prevent
  loading unsigned kernel images via the kexec_load syscall,
  independently of the IMA policy rules, based on the runtime "secure
  boot" flag. An initial IMA kselftest is included.

  In addition, this pull request defines a new, separate keyring named
  ".platform" for storing the preboot/firmware keys needed for verifying
  the kexec'ed kernel image's signature and includes the associated IMA
  kexec usage of the ".platform" keyring.

  (David Howell's and Josh Boyer's patches for reading the
  preboot/firmware keys, which were previously posted for a different
  use case scenario, are included here)"

* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  integrity: Remove references to module keyring
  ima: Use inode_is_open_for_write
  ima: Support platform keyring for kernel appraisal
  efi: Allow the "db" UEFI variable to be suppressed
  efi: Import certificates from UEFI Secure Boot
  efi: Add an EFI signature blob parser
  efi: Add EFI signature data types
  integrity: Load certs to the platform keyring
  integrity: Define a trusted platform keyring
  selftests/ima: kexec_load syscall test
  ima: don't measure/appraise files on efivarfs
  x86/ima: retry detecting secure boot mode
  docs: Extend trusted keys documentation for TPM 2.0
  x86/ima: define arch_get_ima_policy() for x86
  ima: add support for arch specific policies
  ima: refactor ima_init_policy()
  ima: prevent kexec_load syscall based on runtime secureboot flag
  x86/ima: define arch_ima_get_secureboot
  integrity: support new struct public_key_signature encoding field
2019-01-02 09:43:14 -08:00
Yoshihiro Kaneko
6471a52dee dt-bindings: thermal: rcar-thermal: add R8A77990 support
Document the R-Car E3 (R8A77990) SoC bindings.

Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2019-01-02 04:47:21 -08:00
Fabrizio Castro
69f8f55185 dt-bindings: thermal: rcar-thermal: add R8A774C0 support
Document RZ/G2E SoC (a.k.a. r8a774c0) bindings.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2019-01-02 04:47:20 -08:00
Miquel Raynal
bf9ff83f93 dt-bindings: cp110: document the thermal interrupt capabilities
The thermal IP can produce interrupts on overheat situation.
Describe them.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2019-01-02 04:47:19 -08:00
Miquel Raynal
1bc7523817 dt-bindings: ap806: document the thermal interrupt capabilities
The thermal IP can produce interrupts on overheat situation.
Describe them.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2019-01-02 04:47:18 -08:00
Thierry Reding
199bc54b4a dt-bindings: thermal: tegra-bpmp: Add Tegra194 support
The thermal controller implementation on Tegra194 is very similar to the
implementation on Tegra186. Add a compatible string for the new
generation.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2019-01-02 04:47:13 -08:00
Geert Uytterhoeven
24f1c13fa5 dt-bindings: thermal: rcar-gen3-thermal: All variants use 3 interrupts
RZ/G2M also has 3 interrupts routed to the TSC, but the list was not
updated to reflect this.

Just drop the list, as this is the case for this TSC variant in all
R-Car Gen3 and RZ/G2 SoCs.

Fixes: be6af481f3 ("dt-bindings: thermal: rcar-gen3-thermal: Add r8a774a1 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2019-01-02 04:47:10 -08:00
Linus Torvalds
8e143b90e4 IOMMU Updates for Linux v4.21
Including (in no particular order):
 
 	- Page table code for AMD IOMMU now supports large pages where
 	  smaller page-sizes were mapped before. VFIO had to work around
 	  that in the past and I included a patch to remove it (acked by
 	  Alex Williamson)
 
 	- Patches to unmodularize a couple of IOMMU drivers that would
 	  never work as modules anyway.
 
 	- Work to unify the the iommu-related pointers in
 	  'struct device' into one pointer. This work is not finished
 	  yet, but will probably be in the next cycle.
 
 	- NUMA aware allocation in iommu-dma code
 
 	- Support for r8a774a1 and r8a774c0 in the Renesas IOMMU driver
 
 	- Scalable mode support for the Intel VT-d driver
 
 	- PM runtime improvements for the ARM-SMMU driver
 
 	- Support for the QCOM-SMMUv2 IOMMU hardware from Qualcom
 
 	- Various smaller fixes and improvements
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Merge tag 'iommu-updates-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:

 - Page table code for AMD IOMMU now supports large pages where smaller
   page-sizes were mapped before. VFIO had to work around that in the
   past and I included a patch to remove it (acked by Alex Williamson)

 - Patches to unmodularize a couple of IOMMU drivers that would never
   work as modules anyway.

 - Work to unify the the iommu-related pointers in 'struct device' into
   one pointer. This work is not finished yet, but will probably be in
   the next cycle.

 - NUMA aware allocation in iommu-dma code

 - Support for r8a774a1 and r8a774c0 in the Renesas IOMMU driver

 - Scalable mode support for the Intel VT-d driver

 - PM runtime improvements for the ARM-SMMU driver

 - Support for the QCOM-SMMUv2 IOMMU hardware from Qualcom

 - Various smaller fixes and improvements

* tag 'iommu-updates-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (78 commits)
  iommu: Check for iommu_ops == NULL in iommu_probe_device()
  ACPI/IORT: Don't call iommu_ops->add_device directly
  iommu/of: Don't call iommu_ops->add_device directly
  iommu: Consolitate ->add/remove_device() calls
  iommu/sysfs: Rename iommu_release_device()
  dmaengine: sh: rcar-dmac: Use device_iommu_mapped()
  xhci: Use device_iommu_mapped()
  powerpc/iommu: Use device_iommu_mapped()
  ACPI/IORT: Use device_iommu_mapped()
  iommu/of: Use device_iommu_mapped()
  driver core: Introduce device_iommu_mapped() function
  iommu/tegra: Use helper functions to access dev->iommu_fwspec
  iommu/qcom: Use helper functions to access dev->iommu_fwspec
  iommu/of: Use helper functions to access dev->iommu_fwspec
  iommu/mediatek: Use helper functions to access dev->iommu_fwspec
  iommu/ipmmu-vmsa: Use helper functions to access dev->iommu_fwspec
  iommu/dma: Use helper functions to access dev->iommu_fwspec
  iommu/arm-smmu: Use helper functions to access dev->iommu_fwspec
  ACPI/IORT: Use helper functions to access dev->iommu_fwspec
  iommu: Introduce wrappers around dev->iommu_fwspec
  ...
2019-01-01 15:55:29 -08:00
Linus Torvalds
78e8696c23 dmaengine-4.21-rc1
dmaengine updates for v4.21-rc1
 
  - New driver for UniPhier MIO DMA controller
  - Remove R-Mobile APE6 support
  - Sprd driver updates and support for cyclic link-list
  - Remove dma_slave_config direction usage from rest of drivers
  - Minor updates to dmatest, dw-dmac, zynqmp and bcm dma drivers
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Merge tag 'dmaengine-4.21-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This includes a new driver, removes R-Mobile APE6 as it is no longer
  used, sprd cyclic dma support, last batch of dma_slave_config
  direction removal and random updates to bunch of drivers.

  Summary:
   - New driver for UniPhier MIO DMA controller
   - Remove R-Mobile APE6 support
   - Sprd driver updates and support for cyclic link-list
   - Remove dma_slave_config direction usage from rest of drivers
   - Minor updates to dmatest, dw-dmac, zynqmp and bcm dma drivers"

* tag 'dmaengine-4.21-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (48 commits)
  dmaengine: qcom_hidma: convert to DEFINE_SHOW_ATTRIBUTE
  dmaengine: pxa: remove DBGFS_FUNC_DECL()
  dmaengine: mic_x100_dma: convert to DEFINE_SHOW_ATTRIBUTE
  dmaengine: amba-pl08x: convert to DEFINE_SHOW_ATTRIBUTE
  dmaengine: Documentation: Add documentation for multi chan testing
  dmaengine: dmatest: Add transfer_size parameter
  dmaengine: dmatest: Add alignment parameter
  dmaengine: dmatest: Use fixed point div to calculate iops
  dmaengine: dmatest: Add support for multi channel testing
  dmaengine: rcar-dmac: Document R8A774C0 bindings
  dt-bindings: dmaengine: usb-dmac: Add binding for r8a774c0
  dmaengine: zynqmp_dma: replace spin_lock_bh with spin_lock_irqsave
  dmaengine: sprd: Add me as one of the module authors
  dmaengine: sprd: Support DMA 2-stage transfer mode
  dmaengine: sprd: Support DMA link-list cyclic callback
  dmaengine: sprd: Set cur_desc as NULL when free or terminate one dma channel
  dmaengine: sprd: Fix the last link-list configuration
  dmaengine: sprd: Get transfer residue depending on the transfer direction
  dmaengine: sprd: Remove direction usage from struct dma_slave_config
  dmaengine: dmatest: fix a small memory leak in dmatest_func()
  ...
2019-01-01 15:45:48 -08:00
Linus Torvalds
28e8c4bc8e RTC for 4.21
Subsystem:
  - new %ptR printk format
  - rename core files
  - allow registration of multiple nvmem devices
 
 New driver:
  - i.MX system controller RTC
 
 Drivers:
  - abx80x: handle voltage ioctls, correct binding doc
  - m41t80: correct month in alarm reads
  - pcf85363: add pcf85263 support
  - pcf8523: properly handle battery low flag
  - s3c: limit alarm to one year in the future as ALMYEAR is broken
  - sun6i: rework clock output binding
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Merge tag 'rtc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Subsystem:
   - new %ptR printk format
   - rename core files
   - allow registration of multiple nvmem devices

  New driver:
   - i.MX system controller RTC

  Driver updates:
   - abx80x: handle voltage ioctls, correct binding doc
   - m41t80: correct month in alarm reads
   - pcf85363: add pcf85263 support
   - pcf8523: properly handle battery low flag
   - s3c: limit alarm to one year in the future as ALMYEAR is broken
   - sun6i: rework clock output binding"

* tag 'rtc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (54 commits)
  rtc: rename core files
  rtc: nvmem: fix possible use after free
  rtc: add i.MX system controller RTC support
  dt-bindings: fsl: scu: add rtc binding
  rtc: pcf2123: Add Microcrystal rv2123
  rtc: class: reimplement devm_rtc_device_register
  rtc: enforce rtc_timer_init private_data type
  rtc: abx80x: Implement RTC_VL_READ,CLR ioctls
  rtc: pcf85363: Add support for NXP pcf85263 rtc
  dt-bindings: rtc: pcf85363: Document pcf85263 real-time clock
  rtc: pcf8523: don't return invalid date when battery is low
  dt-bindings: rtc: use a generic node name for ds1307
  PM: Switch to use %ptR
  m68k/mac: Switch to use %ptR
  Input: hp_sdc_rtc - Switch to use %ptR
  rtc: tegra: Switch to use %ptR
  rtc: s5m: Switch to use %ptR
  rtc: s3c: Switch to use %ptR
  rtc: rx8025: Switch to use %ptR
  rtc: rx6110: Switch to use %ptR
  ...
2019-01-01 13:24:31 -08:00
Linus Torvalds
c9bef4a651 Pin control bulk changes for the v4.21 kernel cycle:
No core changes this time.
 
 New drivers:
 
 - NXP (ex Freescale) i.MX 8 QXP SoC driver.
 
 - Mediatek MT6797 SoC driver.
 
 - Mediatek MT7629 SoC driver.
 
 - Actions Semiconductor S700 SoC driver.
 
 - Renesas RZ/A2 SoC driver.
 
 - Allwinner sunxi suniv F1C100 SoC driver.
 
 - Qualcomm PMS405 PMIC driver.
 
 - Microsemi Ocelot Jaguar2 SoC driver.
 
 Improvements:
 
 - Some RT improvements (using raw spinlocks where appropriate).
 
 - A lot of new pin sets on the Renesas PFC pin controllers.
 
 - GPIO hogs now work on the Qualcomm SPMI/SSBI pin controller GPIO
   chips, and Xway.
 
 - Major modernization of the Intel pin control drivers.
 
 - STM32 pin control driver will now synchronize usage of pins
   with another CPU using a hardware spinlock.
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Merge tag 'pinctrl-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "We have no core changes but lots of incremental development in drivers
  all over the place: Renesas, NXP, Mediatek and Actions Semiconductor
  keep churning out new SoCs.

  I have some subtree maintainers for Renesas and Intel helping out to
  keep down the load, it's been working smoothly (Samsung also have a
  subtree but it was not used this cycle.)

  New drivers:

   - NXP (ex Freescale) i.MX 8 QXP SoC driver.

   - Mediatek MT6797 SoC driver.

   - Mediatek MT7629 SoC driver.

   - Actions Semiconductor S700 SoC driver.

   - Renesas RZ/A2 SoC driver.

   - Allwinner sunxi suniv F1C100 SoC driver.

   - Qualcomm PMS405 PMIC driver.

   - Microsemi Ocelot Jaguar2 SoC driver.

  Improvements:

   - Some RT improvements (using raw spinlocks where appropriate).

   - A lot of new pin sets on the Renesas PFC pin controllers.

   - GPIO hogs now work on the Qualcomm SPMI/SSBI pin controller GPIO
     chips, and Xway.

   - Major modernization of the Intel pin control drivers.

   - STM32 pin control driver will now synchronize usage of pins with
     another CPU using a hardware spinlock"

* tag 'pinctrl-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (145 commits)
  dt-bindings: arm: fsl-scu: add imx8qm pinctrl support
  pinctrl: freescale: Break dependency on SOC_IMX8MQ for i.MX8MQ
  pinctrl: imx-scu: Depend on IMX_SCU
  pinctrl: ocelot: Add dependency on HAS_IOMEM
  pinctrl: ocelot: add MSCC Jaguar2 support
  pinctrl: bcm: ns: support updated DT binding as syscon subnode
  dt-bindings: pinctrl: bcm4708-pinmux: rework binding to use syscon
  MAINTAINERS: merge at91 pinctrl entries
  pinctrl: imx8qxp: break the dependency on SOC_IMX8QXP
  pinctrl: uniphier: constify uniphier_pinctrl_socdata
  pinctrl: mediatek: improve Kconfig dependencies
  pinctrl: msm: mark PM functions as __maybe_unused
  dt-bindings: pinctrl: sunxi: Add supply properties
  pinctrl: meson: meson8b: add the missing GPIO_GROUPs for BOOT and CARD
  pinctrl: meson: meson8: add the missing GPIO_GROUPs for BOOT and CARD
  pinctrl: meson: meson8: rename the "gpio" function to "gpio_periphs"
  pinctrl: meson: meson8: rename the "gpio" function to "gpio_periphs"
  pinctrl: meson: meson8b: fix the GPIO function for the GPIOAO pins
  pinctrl: meson: meson8: fix the GPIO function for the GPIOAO pins
  pinctrl: sh-pfc: Make pinmux_cfg_reg.var_field_width[] variable-length
  ...
2019-01-01 13:19:16 -08:00
Linus Torvalds
115502a6f3 linux-watchdog 4.21-rc1 tag
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Merge tag 'linux-watchdog-4.21-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:
 - add TQ-Systems TQMX86 watchdog driver
 - add Qualcomm PM8916 watchdog driver
 - w83627hf_wdt: add quirk for Inves system
 - renesas_wdt: several improvements and document r8a774c0 support
 - mena21_wdt, mtx-1: Convert to use GPIO descriptor
 - bcm281xx, ie6xx_wdt: convert to DEFINE_SHOW_ATTRIBUTE
 - documentation: add PM usage and kernel-api: don't reference removed functions
 - update bindings for MT7629 SoC
 - several small fixes

* tag 'linux-watchdog-4.21-rc1' of git://www.linux-watchdog.org/linux-watchdog: (22 commits)
  watchdog: tqmx86: Add watchdog driver for the IO controller
  dt-bindings: watchdog: renesas-wdt: Document r8a774c0 support
  watchdog: docs: kernel-api: don't reference removed functions
  watchdog: add documentation for PM usage
  watchdog: mtx-1: Convert to use GPIO descriptor
  watchdog: mena21_wdt: Convert to GPIO descriptors
  dt-bindings: watchdog: Add Qualcomm PM8916 watchdog
  watchdog: Add pm8916 watchdog driver
  dt-bindings: watchdog: update bindings for MT7629 SoC
  watchdog: renesas_wdt: don't keep timer value during suspend/resume
  watchdog: ie6xx_wdt: convert to DEFINE_SHOW_ATTRIBUTE
  watchdog: bcm281xx: convert to DEFINE_SHOW_ATTRIBUTE
  watchdog: asm9260_wdt: make array mode_name static, shrinks object size
  watchdog/hpwdt: Update driver version.
  watchdog/hpwdt: Do not claim unsupported hardware
  watchdog/hpwdt: Exclude via blacklist
  Watchdog: remove outdated comment
  watchdog: w83627hf_wdt: Add quirk for Inves system
  watchdog: cpwd: add of_node_put()
  watchdog: renesas_wdt: don't set divider while watchdog is running
  ...
2019-01-01 13:16:45 -08:00
yupeng
2b96547223 add document for TCP OFO, PAWS and skip ACK counters
add document and examples for below counters:
TcpExtTCPOFOQueue
TcpExtTCPOFODrop
TcpExtTCPOFOMerge
TcpExtPAWSActive
TcpExtPAWSEstab
TcpExtTCPACKSkippedSynRecv
TcpExtTCPACKSkippedPAWS
TcpExtTCPACKSkippedSeq
TcpExtTCPACKSkippedFinWait2
TcpExtTCPACKSkippedTimeWait
TcpExtTCPACKSkippedChallenge

Signed-off-by: yupeng <yupeng0921@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-01 09:51:14 -08:00
Linus Torvalds
b7badd1d7a ARM: Device-tree updates
As usual, this is where the bulk of our changes end up landing each
 merge window.
 
 The individual updates are too many to enumerate, many many platforms
 have seen additions of device descriptions such that they are
 functionally more complete (in fact, this is often the bulk of updates
 we see).
 
 Instead I've mostly focused on highlighting the new platforms below as
 they are introduced. Sometimes the introduction is of mostly a fragment,
 that later gets filled in on later releases, and in some cases it's
 near-complete platform support. The latter is more common for derivative
 platforms that already has similar support in-tree.
 
 Two SoCs are slight outliers from the usual range of additions. Allwinner
 support for F1C100s, a quite old SoC (ARMv5-based) shipping in the
 Lychee Pi Nano platform. At the other end is NXP Layerscape LX2160A,
 a 16-core 2.2GHz Cortex-A72 SoC with a large amount of I/O aimed at
 infrastructure/networking.
 
 TI updates stick out in the diff stats too, in particular because they
 have moved the description of their L4 on-chip interconnect to devicetree,
 which opens up for removal of even more of their platform-specific
 'hwmod' description tables over the next few releases.
 
 SoCs:
  - Qualcomm QCS404 (4x Cortex-A53)
  - Allwinner T3 (rebranded R40) and f1c100s (armv5)
  - NXP i.MX7ULP (1x Cortex-A7 + 1x Cortex-M4)
  - NXP LS1028A (2x Cortex-A72), LX2160A (16x Cortex-A72)
 
 New platforms:
  - Rockchip: Gru Scarlet (RK3188 Tablet)
  - Amlogic: Phicomm N1 (S905D), Libretech S805-AC
  - Broadcom: Linksys EA6500 v2 Wi-Fi router (BCM4708)
  - Qualcomm: QCS404 base platform and EVB
  - Qualcomm: Remove of Arrow SD600
  - PXA: First PXA3xx DT board: Raumfeld
  - Aspeed: Facebook Backpack-CMM BMC
  - Renesas iWave G20D-Q7 (RZ/G1N)
  - Allwinner t3-cqa3t-bv3 (T3/R40) and Lichee Pi Nano (F1C100s)
  - Allwinner Emlid Neutis N5, Mapleboard MP130
  - Marvell Macchiatobin Single Shot (Armada 8040, no 10GbE)
  - i.MX: mtrion emCON-MX6, imx6ul-pico-pi, imx7d-sdb-reva
  - VF610: Liebherr's BK4 device, ZII SCU4 AIB board
  - i.MX7D PICO Hobbit baseboard
  - i.MX7ULP EVK board
  - NXP LX2160AQDS and LX2160ARDB boards
 
 Other:
  - Coresight binding updates across the board
  - CPU cooling maps updates across the board
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM Device-tree updates from Olof Johansson:
 "As usual, this is where the bulk of our changes end up landing each
  merge window.

  The individual updates are too many to enumerate, many many platforms
  have seen additions of device descriptions such that they are
  functionally more complete (in fact, this is often the bulk of updates
  we see).

  Instead I've mostly focused on highlighting the new platforms below as
  they are introduced. Sometimes the introduction is of mostly a
  fragment, that later gets filled in on later releases, and in some
  cases it's near-complete platform support. The latter is more common
  for derivative platforms that already has similar support in-tree.

  Two SoCs are slight outliers from the usual range of additions.
  Allwinner support for F1C100s, a quite old SoC (ARMv5-based) shipping
  in the Lychee Pi Nano platform. At the other end is NXP Layerscape
  LX2160A, a 16-core 2.2GHz Cortex-A72 SoC with a large amount of I/O
  aimed at infrastructure/networking.

  TI updates stick out in the diff stats too, in particular because they
  have moved the description of their L4 on-chip interconnect to
  devicetree, which opens up for removal of even more of their
  platform-specific 'hwmod' description tables over the next few
  releases.

  SoCs:
   - Qualcomm QCS404 (4x Cortex-A53)
   - Allwinner T3 (rebranded R40) and f1c100s (armv5)
   - NXP i.MX7ULP (1x Cortex-A7 + 1x Cortex-M4)
   - NXP LS1028A (2x Cortex-A72), LX2160A (16x Cortex-A72)

  New platforms:
   - Rockchip: Gru Scarlet (RK3188 Tablet)
   - Amlogic: Phicomm N1 (S905D), Libretech S805-AC
   - Broadcom: Linksys EA6500 v2 Wi-Fi router (BCM4708)
   - Qualcomm: QCS404 base platform and EVB
   - Qualcomm: Remove of Arrow SD600
   - PXA: First PXA3xx DT board: Raumfeld
   - Aspeed: Facebook Backpack-CMM BMC
   - Renesas iWave G20D-Q7 (RZ/G1N)
   - Allwinner t3-cqa3t-bv3 (T3/R40) and Lichee Pi Nano (F1C100s)
   - Allwinner Emlid Neutis N5, Mapleboard MP130
   - Marvell Macchiatobin Single Shot (Armada 8040, no 10GbE)
   - i.MX: mtrion emCON-MX6, imx6ul-pico-pi, imx7d-sdb-reva
   - VF610: Liebherr's BK4 device, ZII SCU4 AIB board
   - i.MX7D PICO Hobbit baseboard
   - i.MX7ULP EVK board
   - NXP LX2160AQDS and LX2160ARDB boards

  Other:
   - Coresight binding updates across the board
   - CPU cooling maps updates across the board"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (648 commits)
  ARM: dts: suniv: Fix improper bindings include patch
  ARM: dts: sunxi: Enable Broadcom-based Bluetooth for multiple boards
  arm64: dts: allwinner: a64: bananapi-m64: Add Bluetooth device node
  ARM: dts: suniv: Fix improper bindings include patch
  arm64: dts: Add spi-[tx/rx]-bus-width for the FSL QSPI controller
  arm64: dts: Remove unused properties from FSL QSPI driver nodes
  ARM: dts: Add spi-[tx/rx]-bus-width for the FSL QSPI controller
  ARM: dts: imx6sx-sdb: Fix the reg properties for the FSL QSPI nodes
  ARM: dts: Remove unused properties from FSL QSPI driver nodes
  arm64: dts: ti: k3-am654: Enable main domain McSPI0
  arm64: dts: ti: k3-am654: Add McSPI DT nodes
  arm64: dts: ti: k3-am654: Populate power-domain property for UART nodes
  arm64: dts: ti: k3-am654-base-board: Enable ECAP PWM
  arm64: dts: ti: k3-am65-main: Add ECAP PWM node
  arm64: dts: ti: k3-am654-base-board: Add I2C nodes
  arm64: dts: ti: am654-base-board: Add pinmux for main uart0
  arm64: dts: ti: k3-am65: Add pinctrl regions
  dt-bindings: pinctrl: k3: Introduce pinmux definitions
  ARM: dts: exynos: Specify I2S assigned clocks in proper node
  ARM: dts: exynos: Add missing CPUs in cooling maps for Odroid X2
  ...
2018-12-31 17:36:02 -08:00
Linus Torvalds
d36377c6eb ARM: SoC driver updates
Misc driver updates for platforms, many of them power related.
 
  - Rockchip adds power domain support for rk3066 and rk3188
  - Amlogic adds a power measurement driver
  - Allwinner adds SRAM support for three platforms (F1C100, H5, A64 C1)
  - Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7
  - Broadcom fixes suspend/resume with Thumb2 kernels, and improves
    stability of a handful of firmware/platform interfaces
  - PXA completes their conversion to dmaengine framework
  - Renesas does a bunch of PM cleanups across many platforms
  - Tegra adds support for suspend/resume on T186/T194, which includes
    some driver cleanups and addition of wake events
  - Tegra also adds a driver for memory controller (EMC) on Tegra2
  - i.MX tweaks power domain bindings, and adds support for i.MX8MQ in GPC
  - Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60
 
  + misc cleanups across several platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Misc driver updates for platforms, many of them power related.

   - Rockchip adds power domain support for rk3066 and rk3188

   - Amlogic adds a power measurement driver

   - Allwinner adds SRAM support for three platforms (F1C100, H5, A64
     C1)

   - Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7

   - Broadcom fixes suspend/resume with Thumb2 kernels, and improves
     stability of a handful of firmware/platform interfaces

   - PXA completes their conversion to dmaengine framework

   - Renesas does a bunch of PM cleanups across many platforms

   - Tegra adds support for suspend/resume on T186/T194, which includes
     some driver cleanups and addition of wake events

   - Tegra also adds a driver for memory controller (EMC) on Tegra2

   - i.MX tweaks power domain bindings, and adds support for i.MX8MQ in
     GPC

   - Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60

  and misc cleanups across several platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
  ARM: at91: add support in soc driver for new SAM9X60
  ARM: at91: add support in soc driver for LPDDR2 SiP
  memory: omap-gpmc: Use of_node_name_eq for node name comparisons
  bus: ti-sysc: Check for no-reset and no-idle flags at the child level
  ARM: OMAP2+: Check also the first dts child for hwmod flags
  soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
  soc: imx: gpc: Increase GPC_CLK_MAX to 7
  soc: renesas: rcar-sysc: Fix power domain control after system resume
  soc: renesas: rcar-sysc: Merge PM Domain registration and linking
  soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
  soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
  dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
  dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
  dt-bindings: sram: Add Allwinner suniv F1C100s
  soc: sunxi: sram: Add support for the H5 SoC system control
  soc: sunxi: sram: Enable EMAC clock access for H3 variant
  soc: imx: gpcv2: add support for i.MX8MQ SoC
  soc: imx: gpcv2: move register access table to domain data
  soc: imx: gpcv2: prefix i.MX7 specific defines
  dmaengine: pxa: make the filter function internal
  ...
2018-12-31 17:32:35 -08:00
Linus Torvalds
0922275ef1 ARM: SoC platform updates
SoC updates, mostly refactorings and cleanups of old legacy platforms,
 but also a few more things:
 
 New SoC support this release:
  - NXP/Freescale i.MX7ULP (1x Cortex-A7, Cortex-M4, graphics, etc)
  - Allwinner F1C100, older platform with an ARM926-EJS (ARMv5) core
 
 Cleanups of various platforms:
  - OMAP1 ams-delta does some GPIO cleanups
  - Davinci removes of at24 platform data
  - Samsung cleans up old wakeup, PM debug and secondary core boot code
  - Renesas moves around config options and PM code to drivers/soc for
    sharing with 64-bit and more consistency
  - i.MX, Broadcom and SoCFPGA all have tweaks to lowlevel debug console setups
  - SoCFPGA adds explicit selection of ARM errata and removes some unused code
 
 This tag also contains a few patches that I had queued up as fixes for
 4.20 but didn't send in before the release.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm SoC platform updates from Olof Johansson:
 "SoC updates, mostly refactorings and cleanups of old legacy platforms,
  but also a few more things:

  New SoC support this release:
   - NXP/Freescale i.MX7ULP (1x Cortex-A7, Cortex-M4, graphics, etc)
   - Allwinner F1C100, older platform with an ARM926-EJS (ARMv5) core

  Cleanups of various platforms:
   - OMAP1 ams-delta does some GPIO cleanups
   - Davinci removes of at24 platform data
   - Samsung cleans up old wakeup, PM debug and secondary core boot code
   - Renesas moves around config options and PM code to drivers/soc for
     sharing with 64-bit and more consistency
   - i.MX, Broadcom and SoCFPGA all have tweaks to lowlevel debug
     console setups
   - SoCFPGA adds explicit selection of ARM errata and removes some
     unused code

  This also contains a few patches that I had queued up as fixes for
  4.20 but didn't send in before the release"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (68 commits)
  arm64: dts: renesas: draak: Fix CVBS input
  ARM: omap2: avoid section mismatch warning
  ARM: tegra: avoid section mismatch warning
  ARM: ks8695: fix section mismatch warning
  ARM: pxa: avoid section mismatch warning
  ARM: mmp: fix pxa168_device_usb_phy use on aspenite
  ARM: mmp: fix timer_init calls
  ARM: OMAP1: fix USB configuration for device-only setups
  ARM: OMAP1: add MMC configuration for Palm Tungsten E
  ARM: imx: fix dependencies on imx7ulp
  ARM: meson: select HAVE_ARM_TWD and ARM_GLOBAL_TIMER
  MAINTAINERS: add drivers/soc/amlogic/ to amlogic list
  ARM: imx: add initial support for imx7ulp
  ARM: debug-imx: only define DEBUG_IMX_UART_PORT if needed
  ARM: dts: Fix OMAP4430 SDP Ethernet startup
  ARM: dts: am335x-pdu001: Fix polarity of card detection input
  ARM: OMAP1: ams-delta: Fix audio permanently muted
  ARM: dts: omap5: Fix dual-role mode on Super-Speed port
  arm64: dts: rockchip: fix rk3399-rockpro64 regulator gpios
  ARM: davinci: da850-evm: remove unnecessary include
  ...
2018-12-31 17:27:54 -08:00
Manivannan Sadhasivam
c10b13325c tty: serial: Add RDA8810PL UART driver
Add UART driver for RDA Micro RDA8810PL SoC.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-31 13:10:01 -08:00
Andreas Färber
804584a61c dt-bindings: serial: Document RDA Micro UART
Add an initial binding for the UART in RDA Micro RDA8810PL SoC.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-31 13:09:51 -08:00
Andreas Färber
56f73e4bc1 dt-bindings: arm: Document RDA8810PL and reference boards
Add bindings for RDA Micro RDA8810PL SoC and below reference boards:

1. Orange Pi 2G-IoT - http://www.orangepi.org/OrangePi2GIOT/
2. Orange Pi i96 - https://www.96boards.org/product/orangepi-i96/

Cc: zhao_steven@263.net
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-31 13:09:36 -08:00
Andreas Färber
1def98f698 dt-bindings: Add RDA Micro vendor prefix
Add vendor prefix for RDA Micro which now merged into Unisoc
Communications Inc.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-31 13:09:33 -08:00
Olof Johansson
a2edaf7893 i.MX8MQ device tree support for 4.21:
- It contains the initial device tree support for i.MX8MQ - the first
    ARM64 i.MX processor.  It features a quad Cortex-A53 core that
    operates at speeds of up to 1.3 GHz, a Cortex-M4 core for
    low-power processing, a DRAM controller that supports 32-bit/16-bit
    LPDDR4/DDR4/DDR3L memory, and hardware acceleration for 4K video
    playback.
  - A couple of patches from Baruch that add watchdog device for i.MX8MQ
    enable it for imx8mq-evk board.
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Merge tag 'imx8mq-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/late

i.MX8MQ device tree support for 4.21:
 - It contains the initial device tree support for i.MX8MQ - the first
   ARM64 i.MX processor.  It features a quad Cortex-A53 core that
   operates at speeds of up to 1.3 GHz, a Cortex-M4 core for
   low-power processing, a DRAM controller that supports 32-bit/16-bit
   LPDDR4/DDR4/DDR3L memory, and hardware acceleration for 4K video
   playback.
 - A couple of patches from Baruch that add watchdog device for i.MX8MQ
   enable it for imx8mq-evk board.

* tag 'imx8mq-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: imx8mq-evk: enable watchdog
  arm64: dts: imx8mq: add watchdog devices
  MAINTAINERS: add i.MX8 DT path to i.MX architecture
  arm64: add support for i.MX8M EVK board
  arm64: add basic DTS for i.MX8MQ
  arm64: add basic Kconfig symbols for i.MX8
  arm64: dts: ls1046a: add qdma device tree nodes
  arm64: dts: ls1043a: add qdma device tree nodes
  arm64: dts: ls1088a: Add missing dma-ranges property
  arm64: dts: ls1088a: Move fsl-mc node
  arm64: dts: fsl: Add all CPUs in cooling maps
  arm64: dts: Add support for NXP LS1028A SoC
  arm64: dts: layerscape: removed compatible string "snps,dw-pcie"
  arm64: dts: fsl: Add the status property disable PCIe
  arm64: dts: ls1012a: Add FRWY-LS1012A board support
  dt-bindings: Add binding for i.MX8MQ CCM
  arm64: dts: add LX2160AQDS board support
  arm64: dts: add LX2160ARDB board support
  arm64: dts: add QorIQ LX2160A SoC support

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-31 13:07:31 -08:00
Olof Johansson
cac1fc8fb5 Merge branch 'fixes' into next/soc
Merge in fixes here, since the last batch didn't make it in before the
release of 4.20, and we might as well group them with this set of
patches.

* fixes: (822 commits)
  arm64: dts: renesas: draak: Fix CVBS input
  ARM: dts: Fix OMAP4430 SDP Ethernet startup
  ARM: dts: am335x-pdu001: Fix polarity of card detection input
  ARM: OMAP1: ams-delta: Fix audio permanently muted
  ARM: dts: omap5: Fix dual-role mode on Super-Speed port
  arm64: dts: rockchip: fix rk3399-rockpro64 regulator gpios
  ARM: dts: imx7d-nitrogen7: Fix the description of the Wifi clock
  ARM: imx: update the cpu power up timing setting on i.mx6sx
  Revert "arm64: dts: marvell: add CPU Idle power state support on Armada 7K/8K"
  ARM: dts: imx7d-pico: Describe the Wifi clock
  ARM: dts: realview: Fix some more duplicate regulator nodes
  MAINTAINERS: update entry for MMP platform
  ARM: mmp/mmp2: fix cpu_is_mmp2() on mmp2-dt
  MAINTAINERS: mediatek: Update SoC entry
  ARM: dts: bcm2837: Fix polarity of wifi reset GPIOs
  + Linux 4.20-rc5

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-31 11:54:03 -08:00