forked from Minki/linux
8f28472a73
1333 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
8f28472a73 |
USB patches for 4.12-rc1
Here is the big USB patchset for 4.12-rc1. Lots of good stuff here, after many many many attempts, the kernel finally has a working typeC interface, many thanks to the Heikki and Guenter and others who have taken the time to get this merged. It wasn't an easy path for them at all. There's also a staging driver that uses this new api, which is why it's coming in through this tree. Along with that, there's the usual huge number of changes for gadget drivers, xhci, and other stuff. Johan also finally refactored pretty much every driver that was looking at USB endpoints to do it in a common way, which will help prevent any "badly-formed" devices from causing problems in drivers. That too wasn't a simple task. All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWQvEIQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yny4gCePCXxnrQdMWE+IMXf1H1hMubLkVkAn0ZWgQkq BspgO7ZmGb+9Fpf6YvNz =nwAu -----END PGP SIGNATURE----- Merge tag 'usb-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB updates from Greg KH: "Here is the big USB patchset for 4.12-rc1. Lots of good stuff here, after many many many attempts, the kernel finally has a working typeC interface, many thanks to Heikki and Guenter and others who have taken the time to get this merged. It wasn't an easy path for them at all. There's also a staging driver that uses this new api, which is why it's coming in through this tree. Along with that, there's the usual huge number of changes for gadget drivers, xhci, and other stuff. Johan also finally refactored pretty much every driver that was looking at USB endpoints to do it in a common way, which will help prevent any "badly-formed" devices from causing problems in drivers. That too wasn't a simple task. All of these have been in linux-next for a while with no reported issues" * tag 'usb-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (263 commits) staging: typec: Fairchild FUSB302 Type-c chip driver staging: typec: Type-C Port Controller Interface driver (tcpci) staging: typec: USB Type-C Port Manager (tcpm) usb: host: xhci: remove #ifdef around PM functions usb: musb: don't mark of_dev_auxdata as initdata usb: misc: legousbtower: Fix buffers on stack USB: Revert "cdc-wdm: fix "out-of-sync" due to missing notifications" usb: Make sure usb/phy/of gets built-in USB: storage: e-mail update in drivers/usb/storage/unusual_devs.h usb: host: xhci: print correct command ring address usb: host: xhci: delete sp_dma_buffers for scratchpad usb: host: xhci: using correct specification chapter reference for DCBAAP xhci: switch to pci_alloc_irq_vectors usb: host: xhci-plat: set resume_quirk() for R-Car controllers usb: host: xhci-plat: add resume_quirk() usb: host: xhci-plat: enable clk in resume timing usb: host: plat: Enable xHCI plat runtime PM USB: serial: ftdi_sio: add device ID for Microsemi/Arrow SF2PLUS Dev Kit USB: serial: constify static arrays usb: fix some references for /proc/bus/usb ... |
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Linus Torvalds
|
76f1948a79 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatch updates from Jiri Kosina: - a per-task consistency model is being added for architectures that support reliable stack dumping (extending this, currently rather trivial set, is currently in the works). This extends the nature of the types of patches that can be applied by live patching infrastructure. The code stems from the design proposal made [1] back in November 2014. It's a hybrid of SUSE's kGraft and RH's kpatch, combining advantages of both: it uses kGraft's per-task consistency and syscall barrier switching combined with kpatch's stack trace switching. There are also a number of fallback options which make it quite flexible. Most of the heavy lifting done by Josh Poimboeuf with help from Miroslav Benes and Petr Mladek [1] https://lkml.kernel.org/r/20141107140458.GA21774@suse.cz - module load time patch optimization from Zhou Chengming - a few assorted small fixes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching: livepatch: add missing printk newlines livepatch: Cancel transition a safe way for immediate patches livepatch: Reduce the time of finding module symbols livepatch: make klp_mutex proper part of API livepatch: allow removal of a disabled patch livepatch: add /proc/<pid>/patch_state livepatch: change to a per-task consistency model livepatch: store function sizes livepatch: use kstrtobool() in enabled_store() livepatch: move patching functions into patch.c livepatch: remove unnecessary object loaded check livepatch: separate enabled and patched states livepatch/s390: add TIF_PATCH_PENDING thread flag livepatch/s390: reorganize TIF thread flag bits livepatch/powerpc: add TIF_PATCH_PENDING thread flag livepatch/x86: add TIF_PATCH_PENDING thread flag livepatch: create temporary klp_update_patch_state() stub x86/entry: define _TIF_ALLWORK_MASK flags explicitly stacktrace/x86: add function for detecting reliable stack traces |
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Linus Torvalds
|
8d65b08deb |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Millar:
"Here are some highlights from the 2065 networking commits that
happened this development cycle:
1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)
2) Add a generic XDP driver, so that anyone can test XDP even if they
lack a networking device whose driver has explicit XDP support
(me).
3) Sparc64 now has an eBPF JIT too (me)
4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
Starovoitov)
5) Make netfitler network namespace teardown less expensive (Florian
Westphal)
6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)
7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)
8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)
9) Multiqueue support in stmmac driver (Joao Pinto)
10) Remove TCP timewait recycling, it never really could possibly work
well in the real world and timestamp randomization really zaps any
hint of usability this feature had (Soheil Hassas Yeganeh)
11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
Aleksandrov)
12) Add socket busy poll support to epoll (Sridhar Samudrala)
13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
and several others)
14) IPSEC hw offload infrastructure (Steffen Klassert)"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
tipc: refactor function tipc_sk_recv_stream()
tipc: refactor function tipc_sk_recvmsg()
net: thunderx: Optimize page recycling for XDP
net: thunderx: Support for XDP header adjustment
net: thunderx: Add support for XDP_TX
net: thunderx: Add support for XDP_DROP
net: thunderx: Add basic XDP support
net: thunderx: Cleanup receive buffer allocation
net: thunderx: Optimize CQE_TX handling
net: thunderx: Optimize RBDR descriptor handling
net: thunderx: Support for page recycling
ipx: call ipxitf_put() in ioctl error path
net: sched: add helpers to handle extended actions
qed*: Fix issues in the ptp filter config implementation.
qede: Fix concurrency issue in PTP Tx path processing.
stmmac: Add support for SIMATIC IOT2000 platform
net: hns: fix ethtool_get_strings overflow in hns driver
tcp: fix wraparound issue in tcp_lp
bpf, arm64: fix jit branch offset related to ldimm64
bpf, arm64: implement jiting of BPF_XADD
...
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Linus Torvalds
|
c58d4055c0 |
A reasonably busy cycle for documentation this time around. There is a new
guide for user-space API documents, rather sparsely populated at the moment, but it's a start. Markus improved the infrastructure for converting diagrams. Mauro has converted much of the USB documentation over to RST. Plus the usual set of fixes, improvements, and tweaks. There's a bit more than the usual amount of reaching out of Documentation/ to fix comments elsewhere in the tree; I have acks for those where I could get them. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJZB1elAAoJEI3ONVYwIuV6wUIQAJSM/4rNdj6z+GXeWhRfbsOo vqqVYluvXQIJaaqdsy9dgcfThhOXWYsPyVF6Xd+bDJpwF3BMZYbX1CI1Mo3kRD+7 9+Pf68cYSHRoU3l/sFI8q0zfKbHtmFteIvnRQoFtRaExqgTR8glUfxNDyN9XuNAZ 3naS4qMZivM4gjMcSpIB/wFOQpV+6qVIs6VTFLdCC8wodT3W/Wmb+bqrCVJ0twbB t8jJeYHt2wsiTdqrKU+VilAUAZ1Lby+DNfeWrO18rC1ohktPyUzOGg8JmTKUBpVO qj1OJwD6abuaNh/J9bXsh8u0OrVrBKWjVrhq9IFYDlm92fu3Bgr6YeoaVPEpcklt jdlgZnWs9/oXa6d32aMc9F7mP9a0Q1qikFTYINhaHQZCb4VDRuQ9hCSuqWm5jlVy lmVAoxLa0zSdOoXaYuO3HC99ku1cIn814CXMDz/IwKXkqUCV+zl+H3AGkvxGyQ5M eblw2TnQnc6e1LRcxt5bgpFR1JYMbCJhu0U5XrNFueQV8ReB15dvL7h4y21dWJKF 2Sr83rwfG1rpZQiSqCjOXxIzuXbEGH3+a+zCDV5IHhQRt/VNDOt2hgmcyucSSJ5h 5GRFYgTlGvoT/6LdIT39QooHB+4tSDRtEQ6lh0q2ZtVV2rfG/I6/PR5sUbWM65SN vAfctRm2afHLhdonSX5O =41m+ -----END PGP SIGNATURE----- Merge tag 'docs-4.12' of git://git.lwn.net/linux Pull documentation update from Jonathan Corbet: "A reasonably busy cycle for documentation this time around. There is a new guide for user-space API documents, rather sparsely populated at the moment, but it's a start. Markus improved the infrastructure for converting diagrams. Mauro has converted much of the USB documentation over to RST. Plus the usual set of fixes, improvements, and tweaks. There's a bit more than the usual amount of reaching out of Documentation/ to fix comments elsewhere in the tree; I have acks for those where I could get them" * tag 'docs-4.12' of git://git.lwn.net/linux: (74 commits) docs: Fix a couple typos docs: Fix a spelling error in vfio-mediated-device.txt docs: Fix a spelling error in ioctl-number.txt MAINTAINERS: update file entry for HSI subsystem Documentation: allow installing man pages to a user defined directory Doc/PM: Sync with intel_powerclamp code behavior zr364xx.rst: usb/devices is now at /sys/kernel/debug/ usb.rst: move documentation from proc_usb_info.txt to USB ReST book convert philips.txt to ReST and add to media docs docs-rst: usb: update old usbfs-related documentation arm: Documentation: update a path name docs: process/4.Coding.rst: Fix a couple of document refs docs-rst: fix usb cross-references usb: gadget.h: be consistent at kernel doc macros usb: composite.h: fix two warnings when building docs usb: get rid of some ReST doc build errors usb.rst: get rid of some Sphinx errors usb/URB.txt: convert to ReST and update it usb/persist.txt: convert to ReST and add to driver-api book usb/hotplug.txt: convert to ReST and add to driver-api book ... |
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Linus Torvalds
|
08be881064 |
ACPI updates for v4.12-rc1
- Update the core device enumeration code to make it more internally
consistent and robust and drop the force_remove sysfs attribute
that could be used to tell it to ignore errors on device
hot-removal which was dangerous in general and no real and
still relevant use cases for it could be found (Rafael Wysocki,
Michal Hocko).
- Make the core device enumeration code use _PXM to associate
platform devices created by it with specific NUMA nodes (Shanker
Donthineni).
- Extend the CPPC library by adding more sysfs entries for
performance capabilities to it and making it use the lowest
nonlinear performance parameter (Prashanth Prakash).
- Make the CPU online more consistent with CPU initialization in
the ACPI processor driver (Prashanth Prakash).
- Update the AC and battery drivers to help them avoid attaching to
devices that cannot be handled by them and update the axp288_charger
power supply driver to work correctly on ACPI systems without the
INT3496 device (Hans de Goede).
- Add an ACPI operation region driver for the Intel CHT Whiskey Cove
PMIC and update the xpower operation region driver to work without
IIO which isn't really necessary for it to work (Hans de Goede).
- Add a new entry for Dell Inspiron 7537 to the _REV quirk blacklist
(Kai Heng Feng).
- Make the code in the ACPI video driver easier to follow by adding
symbols and comments to it (Dmitry Frank).
- Update ACPI documentation and drop a function that has no users
from the tables-handling code (Cao jin, Baoquan He).
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Merge tag 'acpi-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These are some device enumeration code changes, updates of the AC and
battery drivers to help them avoid attaching to devices that cannot be
handled by them, new operation region driver for the Intel CHT Whiskey
Cove PMIC, new sysfs entries for CPPC performance capabilities, a new
_REV quirk blacklist entry and a couple of assorted minor fixes and
cleanups.
Specifics:
- Update the core device enumeration code to make it more internally
consistent and robust and drop the force_remove sysfs attribute
that could be used to tell it to ignore errors on device
hot-removal which was dangerous in general and no real and still
relevant use cases for it could be found (Rafael Wysocki, Michal
Hocko).
- Make the core device enumeration code use _PXM to associate
platform devices created by it with specific NUMA nodes (Shanker
Donthineni).
- Extend the CPPC library by adding more sysfs entries for
performance capabilities to it and making it use the lowest
nonlinear performance parameter (Prashanth Prakash).
- Make the CPU online more consistent with CPU initialization in the
ACPI processor driver (Prashanth Prakash).
- Update the AC and battery drivers to help them avoid attaching to
devices that cannot be handled by them and update the
axp288_charger power supply driver to work correctly on ACPI
systems without the INT3496 device (Hans de Goede).
- Add an ACPI operation region driver for the Intel CHT Whiskey Cove
PMIC and update the xpower operation region driver to work without
IIO which isn't really necessary for it to work (Hans de Goede).
- Add a new entry for Dell Inspiron 7537 to the _REV quirk blacklist
(Kai Heng Feng).
- Make the code in the ACPI video driver easier to follow by adding
symbols and comments to it (Dmitry Frank).
- Update ACPI documentation and drop a function that has no users
from the tables-handling code (Cao jin, Baoquan He)"
* tag 'acpi-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / PMIC: Stop xpower OPRegion handler relying on IIO
ACPI / PMIC: Add opregion driver for Intel CHT Whiskey Cove PMIC
ACPI / scan: Avoid enumerating devices more than once
ACPI / scan: Apply default enumeration to devices with ACPI drivers
power: supply: axp288_charger: Only wait for INT3496 device if present
ACPI / AC: Add a blacklist with PMIC ACPI HIDs with a native charger driver
ACPI / battery: Add a blacklist with PMIC ACPI HIDs with a native battery driver
ACPI / battery: Fix acpi_battery_exit on acpi_battery_init_async errors
ACPI / utils: Add new acpi_dev_present helper
ACPI / video: add comments about subtle cases
ACPI / video: get rid of magic numbers and use enum instead
ACPI / doc: linuxized-acpica.txt: fix typos
ACPI / blacklist: add _REV quirk for Dell Inspiron 7537
ACPI / tables: Drop acpi_parse_entries() which is not used
ACPI / CPPC: add sysfs entries for CPPC perf capabilities
ACPI / CPPC: Read lowest nonlinear perf in cppc_get_perf_caps()
ACPI / platform: Update platform device NUMA node based on _PXM method
ACPI / Processor: Drop setup_max_cpus check from acpi_processor_add()
ACPI / scan: Drop support for force_remove
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Greg Kroah-Hartman
|
ac9d947683 |
Two changes for this v4.12-rc1:
- Add sysfs entry for role switch - Update gadget state after gadget back from suspend -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJY9XecAAoJEEhZKYFQ1nG7PuQH+wR+qFiaswoJA3q+2sdqQDdD vN1FLT93o3ObgnmYwbZZDxdGeB6e+AJ/K8tQCOVqm8AnaNOzDwCYJoBTa5nPaS5k c+E4JlciG2NJG1s+eGVhZUPTQD3qS47vkgHymgtlTbQPDJDZy7k5nu7H1GSI7mvM 7AH4uavzMIqsZcQTAln6BvIr2FQHh996LnUHDvYSZ6Y+8cws9IPMbSIiao3s3SiZ fULYJbVfDOd0LuxHOn7AdKrmlDJ/Gi2vmR4xQLlwvXEYk5/NUcSc1Yo5lVZcDUBR MzX4bLvhLi4SNLXLJhfqYjXcPXddXxawL/TRGDmT0B/1N8CCtBWJkNpIgx9q6dk= =opDd -----END PGP SIGNATURE----- Merge tag 'usb-ci-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-next Peter writes: Two changes for this v4.12-rc1: - Add sysfs entry for role switch - Update gadget state after gadget back from suspend |
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Peter Chen
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a932a8041f |
usb: chipidea: core: add sysfs group
Sometimes, the user needs to adjust some properties for controllers, eg the role for controller, we add sysfs group for them. The attribute 'role' is used to switch host/gadget role dynamically, the uewr can read the current role, and write the other role compare to current one to finish the switch. Signed-off-by: Peter Chen <peter.chen@nxp.com> |
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Michal Hocko
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ffc10d82ff |
ACPI / scan: Drop support for force_remove
/sys/firmware/acpi/hotplug/force_remove was presumably added to support auto offlining in the past. This is, however, inherently dangerous for some hotplugable resources like memory. The memory offlining fails when the memory is still in use and cannot be dropped or migrated. If we ignore the failure we are basically allowing for subtle memory corruption or a crash. We have actually noticed the later while hitting BUG() during the memory hotremove (remove_memory): ret = walk_memory_range(PFN_DOWN(start), PFN_UP(start + size - 1), NULL, check_memblock_offlined_cb); if (ret) BUG(); it took us quite non-trivial time realize that the customer had force_remove enabled. Even if the BUG was removed here and we could propagate the error up the call chain it wouldn't help at all because then we would hit a crash or a memory corruption later and harder to debug. So force_remove is unfixable for the memory hotremove. We haven't checked other hotplugable resources to be prone to a similar problems. Remove the force_remove functionality because it is not fixable currently. Keep the sysfs file and report an error if somebody tries to enable it. Encourage users to report about the missing functionality and work with them with an alternative solution. Reviewed-by: Lee, Chun-Yi <jlee@suse.com> Signed-off-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Greg Kroah-Hartman
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ba7756d082 |
usb: changes for v4.12
With 51 non-merge commits, this is one of the smallest USB Gadget pull requests. Apart from your expected set of non-critical fixes, and other miscellaneous items, we have most of the changes in dwc3 (52.5%) with all other UDCs following with 34.8%. As for the actual changes, the most important of them are all the recent changes to reduce memory footprint of dwc3, bare minimum dual-role support on dwc3 and reworked endpoint count and initialization routines. -----BEGIN PGP SIGNATURE----- iQJRBAABCAA7FiEElLzh7wn96CXwjh2IzL64meEamQYFAljsjRwdHGZlbGlwZS5i YWxiaUBsaW51eC5pbnRlbC5jb20ACgkQzL64meEamQaPZA/9H6GgNlvdGWPweJ0r g86iBmio/Qn334SOCAJDrdw4ULSTSQR8nQHGWuETE2pQ2uYA/dbBWvjkx8Pujs+u Ye2ig/iYchvHhY7cIWBG6A/iwvBClZF+yTv4ruh3i99BOGeAtGSyFS3HftQZLkGs 360CritNs+fSJsU6jnCE2+808evbkRiMaEfiBpiqXF2wvjMonWUMUlHaTBTHzDnk k2/NJSzDINr4HaALalJxVpEetC500LDkQ531O5s7V6NIareCIBOh2li9xZJur38h 728BbCIiwPrdfLI2gGJLUOJq5vf5fJPT6DMJDN4hsu7gXcl2GiIc3nqlcxBB8P9R kurWgjVd8aIGS7qqZzfDBH7I5UgFbJZbtVXy6UhSRILF+hzAb/l95pZUOyTwUnbj ew3ALD2H7XolJT9jLG/q1CaQQMjudVnhLF2s1Ota8dsBeOShH6yfS6hGGQ8L1j8x kXe3dl4HEj9s7gT0S+tVN+kt6bLGZ013CjCbuZgG9JLRkswyn780KTgL4pbjHiAE KNGlCGUPRh3AiDLSbQ4IRU/J/0MVFs51k8aPn6PWpUqU8nc1QNEfczqrlAGPvkqU nE77OktC1UCTrId7F8kllTEglOrR4CVXuT2N7rYzwgM2jmfHLzb0DaJ+a/ZdsUfI DjuY8jNbuGnvZRRiVQU5ynva5BU= =wYOI -----END PGP SIGNATURE----- Merge tag 'usb-for-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next Felipe writes: usb: changes for v4.12 With 51 non-merge commits, this is one of the smallest USB Gadget pull requests. Apart from your expected set of non-critical fixes, and other miscellaneous items, we have most of the changes in dwc3 (52.5%) with all other UDCs following with 34.8%. As for the actual changes, the most important of them are all the recent changes to reduce memory footprint of dwc3, bare minimum dual-role support on dwc3 and reworked endpoint count and initialization routines. |
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Yoshihiro Shimoda
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cc995c9ec1 |
usb: gadget: udc: renesas_usb3: add support for usb role swap
This patch adds support for usb role swap via sysfs "role". For example: 1) Connect a usb cable using 2 Salvator-X boards. - For A-Device, the cable is connected to CN11 (USB3.0 ch0). - For B-Device, the cable is connected to CN9 (USB2.0 ch0). 2) On A-Device, you input the following command: # echo peripheral > /sys/devices/platform/soc/ee020000.usb/role 3) On B-Device, you input the following command: # echo host > /sys/devices/platform/soc/ee080200.usb-phy/role Then, the A-Device acts as a peripheral and the B-Device acts as a host. Please note that A-Device must input the following command if you want the board to act as a host again. # echo host > /sys/devices/platform/soc/ee020000.usb/role Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> |
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Christoph Hellwig
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48920ff2a5 |
block: remove the discard_zeroes_data flag
Now that we use the proper REQ_OP_WRITE_ZEROES operation everywhere we can kill this hack. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com> |
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Daniele Palmas
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416906fc28 |
Documentation: ABI: testing: sysfs-class-net-qmi: add new qmap mux files description
This patch updates the documentation related to the new files added for qmap mux support. Signed-off-by: Daniele Palmas <dnlplm@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Heikki Krogerus
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fab9288428 |
usb: USB Type-C connector class
The purpose of USB Type-C connector class is to provide unified interface for the user space to get the status and basic information about USB Type-C connectors on a system, control over data role swapping, and when the port supports USB Power Delivery, also control over power role swapping and Alternate Modes. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-and-Tested-by: Felipe Balbi <felipe.balbi@linux.intel.com> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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sayli karnik
|
88486bee06 |
Documentation: ABI: testing: sysfs-bus-pci: Fix repetition of word 'the'
The patch replaces 'the the' with 'the' in the documentation. Signed-off-by: sayli karnik <karniksayli1995@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
||
Josh Poimboeuf
|
d83a7cb375 |
livepatch: change to a per-task consistency model
Change livepatch to use a basic per-task consistency model. This is the
foundation which will eventually enable us to patch those ~10% of
security patches which change function or data semantics. This is the
biggest remaining piece needed to make livepatch more generally useful.
This code stems from the design proposal made by Vojtech [1] in November
2014. It's a hybrid of kGraft and kpatch: it uses kGraft's per-task
consistency and syscall barrier switching combined with kpatch's stack
trace switching. There are also a number of fallback options which make
it quite flexible.
Patches are applied on a per-task basis, when the task is deemed safe to
switch over. When a patch is enabled, livepatch enters into a
transition state where tasks are converging to the patched state.
Usually this transition state can complete in a few seconds. The same
sequence occurs when a patch is disabled, except the tasks converge from
the patched state to the unpatched state.
An interrupt handler inherits the patched state of the task it
interrupts. The same is true for forked tasks: the child inherits the
patched state of the parent.
Livepatch uses several complementary approaches to determine when it's
safe to patch tasks:
1. The first and most effective approach is stack checking of sleeping
tasks. If no affected functions are on the stack of a given task,
the task is patched. In most cases this will patch most or all of
the tasks on the first try. Otherwise it'll keep trying
periodically. This option is only available if the architecture has
reliable stacks (HAVE_RELIABLE_STACKTRACE).
2. The second approach, if needed, is kernel exit switching. A
task is switched when it returns to user space from a system call, a
user space IRQ, or a signal. It's useful in the following cases:
a) Patching I/O-bound user tasks which are sleeping on an affected
function. In this case you have to send SIGSTOP and SIGCONT to
force it to exit the kernel and be patched.
b) Patching CPU-bound user tasks. If the task is highly CPU-bound
then it will get patched the next time it gets interrupted by an
IRQ.
c) In the future it could be useful for applying patches for
architectures which don't yet have HAVE_RELIABLE_STACKTRACE. In
this case you would have to signal most of the tasks on the
system. However this isn't supported yet because there's
currently no way to patch kthreads without
HAVE_RELIABLE_STACKTRACE.
3. For idle "swapper" tasks, since they don't ever exit the kernel, they
instead have a klp_update_patch_state() call in the idle loop which
allows them to be patched before the CPU enters the idle state.
(Note there's not yet such an approach for kthreads.)
All the above approaches may be skipped by setting the 'immediate' flag
in the 'klp_patch' struct, which will disable per-task consistency and
patch all tasks immediately. This can be useful if the patch doesn't
change any function or data semantics. Note that, even with this flag
set, it's possible that some tasks may still be running with an old
version of the function, until that function returns.
There's also an 'immediate' flag in the 'klp_func' struct which allows
you to specify that certain functions in the patch can be applied
without per-task consistency. This might be useful if you want to patch
a common function like schedule(), and the function change doesn't need
consistency but the rest of the patch does.
For architectures which don't have HAVE_RELIABLE_STACKTRACE, the user
must set patch->immediate which causes all tasks to be patched
immediately. This option should be used with care, only when the patch
doesn't change any function or data semantics.
In the future, architectures which don't have HAVE_RELIABLE_STACKTRACE
may be allowed to use per-task consistency if we can come up with
another way to patch kthreads.
The /sys/kernel/livepatch/<patch>/transition file shows whether a patch
is in transition. Only a single patch (the topmost patch on the stack)
can be in transition at a given time. A patch can remain in transition
indefinitely, if any of the tasks are stuck in the initial patch state.
A transition can be reversed and effectively canceled by writing the
opposite value to the /sys/kernel/livepatch/<patch>/enabled file while
the transition is in progress. Then all the tasks will attempt to
converge back to the original patch state.
[1] https://lkml.kernel.org/r/20141107140458.GA21774@suse.cz
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Ingo Molnar <mingo@kernel.org> # for the scheduler changes
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
|
||
|
Linus Torvalds
|
5782fd14aa |
RTC for 4.11
Subsystem: - constify rtc_class_ops structures New driver: - STM32 Drivers: - armada38x: fix errata, Armada 7K/8K support - ds3232: fix wakeup support - gemini: DT support - m48t86: huge cleanup and platform_data removal - mcp795: alarm support - sun6i: proper oscillator handling - tegra: proper clock handling - tps65910: calibration support -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEl0I5XWmUIrwBfFMm2KKDO9oT4sIFAlizZLQACgkQ2KKDO9oT 4sISIw//Zl96KIXqeC+En+8v8Sa0pham/mcLbKYujnFIi1mMaesEXJJClALXYAGQ r/fwXkYowC14AMXGuV5vMMVAVisJpj1gtMmpom+9/7mYtkFOIUsB8Sis8dMqgTqx JFBho7JvPJcwE7BLzUNRzX4tWhFhNm0epyMrsrQrBSeLx3PD8xg5v2kPYuZHdYU0 63Bovkq6zvH9/WdO8DLXw/nc/Y0Bo66rlvJkcaNfjBrdFTRvRAM5JIiJuxewR+jY 3bTQ8PQjnHAWIj/RhrwguGTLDlgJKcpitB06Y53TdRaNtVfJuEN8z6EjNkR37kyS ZJnPgihCoH6l7v28uY4e5BAg/Fe3ZhDrPmhZWq8rEkByeQpSUWgrE/DtcoC0OkZO l2fU/y2vq4za7CpRPp5bvq3sF0PbRHSF0o8rvmHlQZI/mwwYbwF9gk1vg5adyH7i 1UuTGoDXxcMYZPJm3zezE1bUa4OAyjH1NhrvPvinlDw+aekaai2eFUKIbJim+dJx tEVPATPlDk/Ngwth1hpE8D/tOdoQhWtfNk7+zo7MNtMjAO1h/DxSLHXJ9mvCwcPh lPT9BmQxT1HECIa5gjN1R+5X5or5z8LPcNGO9TedIchfZ8qBGzsWOt9bXlw2dgI2 qmXo6IrjCN88kf+qsVA4FKLmaqgpb9+Yb+5cPlhEOKvxUhY47Nc= =Go5q -----END PGP SIGNATURE----- Merge tag 'rtc-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "Subsystem: - constify rtc_class_ops structures New driver: - STM32 Drivers: - armada38x: fix errata, Armada 7K/8K support - ds3232: fix wakeup support - gemini: DT support - m48t86: huge cleanup and platform_data removal - mcp795: alarm support - sun6i: proper oscillator handling - tegra: proper clock handling - tps65910: calibration support" * tag 'rtc-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (44 commits) rtc: ds3232: Call device_init_wakeup before device_register rtc: pcf2127: bulk read only date and time registers. rtc: armada38x: Add support for Armada 7K/8K rtc: armada38x: Prepare driver to manage different versions rtc: ds3232: Add regmap max_register definition. rtc: ds3232: Cleanup whitespace around register and bit definitions. rtc: m48t86: remove unused platform_data ARM: Orion5x: ts78xx: allow rtc-m48t86 to manage it's own resources ARM: Orion5x: ts78xx: remove RTC detection ARM: ep93xx: ts72xx: allow rtc-m48t86 to manage its own resources rtc: m48t86: verify that the RTC is actually present rtc: m48t86: add NVRAM support rtc: m48t86: allow driver to manage its resources rtc: m48t86: shorten register name defines bindings: rtc: correct wrong reference in required properties rtc: sun6i: Fix return value check in sun6i_rtc_clk_init() rtc: sun6i: extend test coverage rtc: sun6i: Fix compatibility with old DT binding rtc: snvs: add a missing write sync rtc: bq32000: add support to enable disable the trickle charge FET bypass ... |
||
|
Linus Torvalds
|
4cc4b9323f |
First set of updates for 4.11 kernel merge window
- Add new Broadcom bnxt_re RoCE driver - rxe driver updates - ioctl cleanups - ETH_P_IBOE declaration cleanup - IPoIB changes - Add port state cache - Allow srpt driver to accept guids as port names in config - Update to hfi1 driver - Update to srp driver - Lots of misc. minor changes all over -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJYrfewAAoJELgmozMOVy/dFnEP/2Qe7NqXRqxLS0ZqsQseFHgQ jd236E7R/XtQQTE3PTcrWL0mq0DRF6tMEjfhUASKTbZVfCBTniJAoXYrvWhN/STq LxAdigdV/0SPbxO3r9B1Xvk2v5BySaIBkaUDvcEXzT4e7UVQwZgxDkhhsYeY0Z/r 9bNB5760PzW8uO5cctXccNcWztZnW0IUZuAHVfQCPjZ7svoGwLnNDW6YQx+FsEkW tbPdzMXX8VKHlC5RcKbfOOBjdNyrUpWl+uvWEc/7mazKscp4yKVFZL7PcxqPJSfd aKdfqXYawhjZZpyws8Kn0rhkfT7xWKD/y9G5STykRJPj9/n1BDScFkmyDQhtP5bJ GANzdgH0z7Dt9LkcAs86A8EVBbIdbdT2cpPVu7t0uWEIsJw/O5ThKpgjnrrTm6m+ 89tgqLZooifTEsdj4UkZoyktrD3J9LSNZkgVmWtRn01W3oYFOPbdM4TmBZtg+/Yl VGmOJEHMEsNuJBcJcOuRJ1MVz2LebXmPUcB0RXzgmHHgulZ/DqoOtlpg5JNmJcr5 wpw/yppkBop4V4+etJBlzDsZNmZZlX+AY0ZLqQJsDHNszDjwXgAy5Rn5FYIdMyk4 ff0FKb5dzASSxHRDxAsu2uoGaREM0NkpA0UYiIZbepGLSO8PuFG2ScQ6qzU47vqu 9SEzOaaQY2S2uqFFFnYp =ugNm -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull rdma updates from Doug Ledford: "First set of updates for 4.11 kernel merge window - Add new Broadcom bnxt_re RoCE driver - rxe driver updates - ioctl cleanups - ETH_P_IBOE declaration cleanup - IPoIB changes - Add port state cache - Allow srpt driver to accept guids as port names in config - Update to hfi1 driver - Update to srp driver - Lots of misc minor changes all over" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (114 commits) RDMA/bnxt_re: fix for "bnxt_en: Update to firmware interface spec 1.7.0." rdma_cm: fail iwarp accepts w/o connection params IB/srp: Drain the send queue before destroying a QP IB/core: Add support for draining IB_POLL_DIRECT completion queues IB/srp: Improve an error path IB/srp: Make a diagnostic message more informative IB/srp: Document locking conventions IB/srp: Fix race conditions related to task management IB/srp: Avoid that duplicate responses trigger a kernel bug IB/SRP: Avoid using IB_MR_TYPE_SG_GAPS RDMA/qedr: Fix some error handling RDMA/bnxt_re: add DCB dependency IB/hns: include linux/module.h IB/vmw_pvrdma: Expose vendor error to ULPs vmw_pvrdma: switch to pci_alloc_irq_vectors IB/hfi1: use size_t for passing array length IB/ipoib: Remove redudant label IB/ipoib: remove the unnecessary memory free IB/mthca: switch to pci_alloc_irq_vectors IB/hfi1: Code reuse with memdup_copy ... |
||
Sergey Senozhatsky
|
c87d1655c2 |
zram: remove obsolete sysfs attrs
We had a deprecated_attr_warn() warning for 2 years and now the time has come and we finally can do the cleanup. The plan was as follows: : per-stat sysfs attributes are considered to be deprecated. : The basic strategy is: : -- the existing RW nodes will be downgraded to WO nodes (in linux 4.11) : -- deprecated RO sysfs nodes will eventually be removed (in linux 4.11) : : The list of deprecated attributes can be found here: : Documentation/ABI/obsolete/sysfs-block-zram : : Basically, every attribute that has its own read accessible sysfs : node (e.g. num_reads) *AND* is accessible via one of the stat files : (zram<id>/stat or zram<id>/io_stat or zram<id>/mm_stat) is considered : to be deprecated. The patch also removes `obsolete/sysfs-block-zram', clean ups `testing/sysfs-block-zram' and tweaks zram.txt files. Link: http://lkml.kernel.org/r/20170118035838.11090-1-sergey.senozhatsky@gmail.com Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Acked-by: Minchan Kim <minchan@kernel.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> |
||
|
Linus Torvalds
|
caa5942897 |
staging/iio driver patches for 4.11-rc1
Here is the big staging and iio driver patchsets for 4.11-rc1. We almost broke even this time around, with only a few thousand lines added overall, as we removed the old and obsolete i4l code, but added some new drivers for the RPi platform, as well as adding some new IIO drivers. All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWK2j/w8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymZ1ACdFR4o6xYrWEizmao4a/u+lUZE1aIAnRmcGcIc J+leO1n9bE5iadQvKYUW =sKVA -----END PGP SIGNATURE----- Merge tag 'staging-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging/iio driver updates from Greg KH: "Here is the big staging and iio driver patchsets for 4.11-rc1. We almost broke even this time around, with only a few thousand lines added overall, as we removed the old and obsolete i4l code, but added some new drivers for the RPi platform, as well as adding some new IIO drivers. All of these have been in linux-next for a while with no reported issues" * tag 'staging-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (669 commits) Staging: vc04_services: Fix the "space prohibited" code style errors Staging: vc04_services: Fix the "wrong indent" code style errors staging: octeon: Use net_device_stats from struct net_device Staging: rtl8192u: ieee80211: ieee80211.h - style fix Staging: rtl8192u: ieee80211: ieee80211_tx.c - style fix Staging: rtl8192u: ieee80211: rtl819x_BAProc.c - style fix Staging: rtl8192u: ieee80211: ieee80211_module.c - style fix Staging: rtl8192u: ieee80211: rtl819x_TSProc.c - style fix Staging: rtl8192u: r8192U.h - style fix Staging: rtl8192u: r8192U_core.c - style fix Staging: rtl8192u: r819xU_cmdpkt.c - style fix staging: rtl8192u: blank lines aren't necessary before a close brace '}' staging: rtl8192u: Adding space after enum and struct definition staging: rtl8192u: Adding space after struct definition Staging: ks7010: Add required and preferred spaces around operators Staging: ks7010: ks*: Remove redundant blank lines Staging: ks7010: ks*: Add missing blank lines after declarations staging: visorbus, replace init_timer with setup_timer staging: vt6656: rxtx.c Removed multiple dereferencing staging: vt6656: Alignment match open parenthesis ... |
||
|
Linus Torvalds
|
97a229f907 |
dmaengine updates for 4.11-rc1
This time we fairly boring and bit small update. - Support for Intel iDMA 32-bit hardware - deprecate broken support for channel switching in async_tx - bunch of updates on stm32-dma - Cyclic support for zx dma and making in generic zx dma driver - Small updates to bunch of other drivers -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJYrI1RAAoJEHwUBw8lI4NHMH4QALbxsOzil+Sl5gq27xK02ox3 8NGkVdAZgUlMI0m7VnPrdenhLy+t7wz383RM0/DUJfHqJItwxdR+895GRwe5TJTl PJJMrrdURv6k24ZqUq1b8qKN51YOjp9aVX6sjKi531fcf1Cmj6nuquo8/gIlZtQC GnLPQGqgK/i5EX/LGQwuHw4j6hESsLGu1vCPdJBSRGzlzd6T4rbmc2ApUjSB1PRO uhmLrORdkbQnxnt1mUYDlEVwGy/0wVNML89k/SX1g/70NI2kvVUn2NX5Aq7+C+vl iIdBfYXuPDnhygrze8jYNd6acc9MWyKp7uYelTtm+m4tvVMAD2UJS/eXgbgkcyLj XoGGkfjDLlK40gQDqnWiNfLi+Dn899ZEwXvCZNsQa72RS32wiatu3ZG39x+a55mK XISolM57iph975C4manY2sxLfOZmM5qmXg8+JGMppine5U2kmID44Y72jYKLNeUU EjMCVeZidx7LFkAR8BfA5pZt2BBIooHcncIwD9MW9KsEMPqzMcjqg9Wvxn/hSIUu VGPVnBZrz/IBSeN9sqMmXWVY0kI+teC7bFZHecZBOUylOyxcQ9ZBHT7Ie2wM2piM fY4UYWTtn9p/YOrfE32iSn226ga6a0Pk1kEfWgOQ/KXmOd20D33z0NYY9xOQ/CXC aT+Skn10zjYZbfU0MCp5 =pcdH -----END PGP SIGNATURE----- Merge tag 'dmaengine-4.11-rc1' of git://git.infradead.org/users/vkoul/slave-dma Pull dmaengine updates from Vinod Koul: "This time we fairly boring and bit small update. - Support for Intel iDMA 32-bit hardware - deprecate broken support for channel switching in async_tx - bunch of updates on stm32-dma - Cyclic support for zx dma and making in generic zx dma driver - Small updates to bunch of other drivers" * tag 'dmaengine-4.11-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (29 commits) async_tx: deprecate broken support for channel switching dmaengine: rcar-dmac: Widen DMA mask to 40 bits dmaengine: sun6i: allow build on ARM64 platforms (sun50i) dmaengine: Provide a wrapper for memcpy operations dmaengine: zx: fix build warning dmaengine: dw: we do support Merrifield SoC in PCI mode dmaengine: dw: add support of iDMA 32-bit hardware dmaengine: dw: introduce register mappings for iDMA 32-bit dmaengine: dw: introduce block2bytes() and bytes2block() dmaengine: dw: extract dwc_chan_pause() for future use dmaengine: dw: replace convert_burst() with one liner dmaengine: dw: register IRQ and DMA pool with instance ID dmaengine: dw: Fix data corruption in large device to memory transfers dmaengine: ste_dma40: indicate granularity on channels dmaengine: ste_dma40: indicate directions on channels dmaengine: stm32-dma: Add error messages if xlate fails dmaengine: dw: pci: remove LPE Audio DMA ID dmaengine: stm32-dma: Add max_burst support dmaengine: stm32-dma: Add synchronization support dmaengine: stm32-dma: Fix residue computation issue in cyclic mode ... |
||
|
Linus Torvalds
|
ff58d005cd |
media updates for v4.11-rc1
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Merge tag 'media/v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new drivers:
- i.MX6 Video Data Order Adapter's (VDOA)
- Toshiba et8ek8 5MP sensor
- STM DELTA multi-format video decoder V4L2 driver
- SPI connected IR LED
- Mediatek IR remote receiver
- ZyDAS ZD1301 DVB USB interface driver
- new RC keymaps
- some very old LIRC drivers got removed from staging
- RC core gained support encoding IR scan codes
- DVB si2168 gained support for DVBv5 statistics
- lirc_sir driver ported to rc-core and promoted from staging
- other bug fixes, board additions and driver improvements
* tag 'media/v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (230 commits)
[media] mtk-vcodec: fix build warnings without DEBUG
[media] zd1301: fix building interface driver without demodulator
[media] usbtv: add sharpness control
[media] cxusb: Use a dma capable buffer also for reading
[media] ttpci: address stringop overflow warning
[media] dvb-usb-v2: avoid use-after-free
[media] add Hama Hybrid DVB-T Stick support
[media] et8ek8: Fix compiler / Coccinelle warnings
[media] media: fix semicolon.cocci warnings
[media] media: exynos4-is: add flags to dummy Exynos IS i2c adapter
[media] v4l: of: check for unique lanes in data-lanes and clock-lanes
[media] coda/imx-vdoa: constify structs
[media] st-delta: debug: trace stream/frame information & summary
[media] st-delta: add mjpeg support
[media] st-delta: EOS (End Of Stream) support
[media] st-delta: rpmsg ipc support
[media] st-delta: add memory allocator helper functions
[media] st-delta: STiH4xx multi-format video decoder v4l2 driver
[media] MAINTAINERS: add st-delta driver
[media] ARM: multi_v7_defconfig: enable STMicroelectronics DELTA Support
...
|
||
|
Linus Torvalds
|
02c3de1105 |
Power management updates for v4.11-rc1
- Operating Performance Points (OPP) framework fixes, cleanups and
switch over from RCU-based synchronization to reference counting
using krefs (Viresh Kumar, Wei Yongjun, Dave Gerlach).
- cpufreq core cleanups and documentation updates (Viresh Kumar,
Rafael Wysocki).
- New cpufreq driver for Broadcom BMIPS SoCs (Markus Mayer).
- New cpufreq-dt sub-driver for TI SoCs requiring special handling,
like in the AM335x, AM437x, DRA7x, and AM57x families, along with
new DT bindings for it (Dave Gerlach, Paul Gortmaker).
- ARM64 SoCs support for the qoriq cpufreq driver (Tang Yuantian).
- intel_pstate driver updates including a new sysfs knob to control
the driver's operation mode and fixes related to the no_turbo
sysfs knob and the hardware-managed P-states feature support
(Rafael Wysocki, Srinivas Pandruvada).
- New interface to export ultra-turbo frequencies for the powernv
cpufreq driver (Shilpasri Bhat).
- Assorted fixes for cpufreq drivers (Arnd Bergmann, Dan Carpenter,
Wei Yongjun).
- devfreq core fixes, mostly related to the sysfs interface exported
by it (Chanwoo Choi, Chris Diamand).
- Updates of the exynos-bus and exynos-ppmu devfreq drivers (Chanwoo
Choi).
- Device PM QoS extension to support CPUs and support for per-CPU
wakeup (device resume) latency constraints in the cpuidle menu
governor (Alex Shi).
- Wakeup IRQs framework fixes (Grygorii Strashko).
- Generic power domains framework update including a fix to make
it handle asynchronous invocations of *noirq suspend/resume
callbacks correctly (Ulf Hansson, Geert Uytterhoeven).
- Assorted fixes and cleanups in the core suspend/hibernate code,
PM QoS framework and x86 ACPI idle support code (Corentin Labbe,
Geert Uytterhoeven, Geliang Tang, John Keeping, Nick Desaulniers).
- Update of the analyze_suspend.py script is updated to version 4.5
offering multiple improvements (Todd Brandt).
- New tool for intel_pstate diagnostics using the pstate_sample
tracepoint (Doug Smythies).
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Merge tag 'pm-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"The majority of changes go into the Operating Performance Points (OPP)
framework and cpufreq this time, followed by devfreq and some
scattered updates all over.
The OPP changes are mostly related to switching over from RCU-based
synchronization, that turned out to be overly complicated and
problematic, to reference counting using krefs.
In the cpufreq land there are core cleanups, documentation updates, a
new driver for Broadcom BMIPS SoCs, a new cpufreq-dt sub-driver for TI
SoCs that require special handling, ARM64 SoCs support for the qoriq
driver, intel_pstate updates, powernv driver update and assorted
fixes.
The devfreq changes are mostly fixes related to the sysfs interface
and some Exynos drivers updates.
Apart from that, the cpuidle menu governor will support per-CPU PM QoS
constraints for the wakeup latency now, some bugs in the wakeup IRQs
framework are fixed, the generic power domains framework should handle
asynchronous invocations of *noirq suspend/resume callbacks from now
on, the analyze_suspend.py script is updated and there is a new tool
for intel_pstate diagnostics.
Specifics:
- Operating Performance Points (OPP) framework fixes, cleanups and
switch over from RCU-based synchronization to reference counting
using krefs (Viresh Kumar, Wei Yongjun, Dave Gerlach)
- cpufreq core cleanups and documentation updates (Viresh Kumar,
Rafael Wysocki)
- New cpufreq driver for Broadcom BMIPS SoCs (Markus Mayer)
- New cpufreq-dt sub-driver for TI SoCs requiring special handling,
like in the AM335x, AM437x, DRA7x, and AM57x families, along with
new DT bindings for it (Dave Gerlach, Paul Gortmaker)
- ARM64 SoCs support for the qoriq cpufreq driver (Tang Yuantian)
- intel_pstate driver updates including a new sysfs knob to control
the driver's operation mode and fixes related to the no_turbo sysfs
knob and the hardware-managed P-states feature support (Rafael
Wysocki, Srinivas Pandruvada)
- New interface to export ultra-turbo frequencies for the powernv
cpufreq driver (Shilpasri Bhat)
- Assorted fixes for cpufreq drivers (Arnd Bergmann, Dan Carpenter,
Wei Yongjun)
- devfreq core fixes, mostly related to the sysfs interface exported
by it (Chanwoo Choi, Chris Diamand)
- Updates of the exynos-bus and exynos-ppmu devfreq drivers (Chanwoo
Choi)
- Device PM QoS extension to support CPUs and support for per-CPU
wakeup (device resume) latency constraints in the cpuidle menu
governor (Alex Shi)
- Wakeup IRQs framework fixes (Grygorii Strashko)
- Generic power domains framework update including a fix to make it
handle asynchronous invocations of *noirq suspend/resume callbacks
correctly (Ulf Hansson, Geert Uytterhoeven)
- Assorted fixes and cleanups in the core suspend/hibernate code, PM
QoS framework and x86 ACPI idle support code (Corentin Labbe, Geert
Uytterhoeven, Geliang Tang, John Keeping, Nick Desaulniers)
- Update of the analyze_suspend.py script is updated to version 4.5
offering multiple improvements (Todd Brandt)
- New tool for intel_pstate diagnostics using the pstate_sample
tracepoint (Doug Smythies)"
* tag 'pm-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (85 commits)
MAINTAINERS: cpufreq: add bmips-cpufreq.c
PM / QoS: Fix memory leak on resume_latency.notifiers
PM / Documentation: Spelling s/wrtie/write/
PM / sleep: Fix test_suspend after sleep state rework
cpufreq: CPPC: add ACPI_PROCESSOR dependency
cpufreq: make ti-cpufreq explicitly non-modular
cpufreq: Do not clear real_cpus mask on policy init
tools/power/x86: Debug utility for intel_pstate driver
AnalyzeSuspend: fix drag and zoom bug in javascript
PM / wakeirq: report a wakeup_event on dedicated wekup irq
PM / wakeirq: Fix spurious wake-up events for dedicated wakeirqs
PM / wakeirq: Enable dedicated wakeirq for suspend
cpufreq: dt: Don't use generic platdev driver for ti-cpufreq platforms
cpufreq: ti: Add cpufreq driver to determine available OPPs at runtime
Documentation: dt: add bindings for ti-cpufreq
PM / OPP: Expose _of_get_opp_desc_node as dev_pm_opp API
cpufreq: qoriq: Don't look at clock implementation details
cpufreq: qoriq: add ARM64 SoCs support
PM / Domains: Provide dummy governors if CONFIG_PM_GENERIC_DOMAINS=n
cpufreq: brcmstb-avs-cpufreq: remove unnecessary platform_set_drvdata()
...
|
||
|
Linus Torvalds
|
7aa7d60811 |
LEDs for 4.11
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Merge tag 'leds_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
"New features and improvements:
- add new optional brightness_hw_changed attribute for the LEDs that
may have their brightness level changed autonomously (outside of
kernel control) by hardware / firmware. The attribute supports
userspace notifications through POLLPRI events
- add led_brightness_hw_mon tool that demonstrates how to use the
aforementioned feature
- add LED_ON enum for LEDs that can be only turned on/off, and don't
allow setting other brightness levels
- allow for adjusting heartbeat trigger blink brightness level
Fixes and cleanups:
- avoid harmless maybe-uninitialized warning in leds-ktd2692.c
- add context to the existing example entries in common LED bindings
to make the documentation more clear"
* tag 'leds_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: ledtrig-heartbeat: Make top brightness adjustable
tools/leds: Add led_hw_brightness_mon program
leds: class: Add new optional brightness_hw_changed attribute
leds: ktd2692: avoid harmless maybe-uninitialized warning
leds: add LED_ON brightness as boolean value
DT: leds: Improve examples by adding some context
|
||
|
Linus Torvalds
|
ebb4949eb3 |
IOMMU Updates for Linux v4.11
The changes include: * KVM PCIe/MSI passthrough support on ARM/ARM64 * Introduction of a core representation for individual hardware iommus * Support for IOMMU privileged mappings as supported by some ARM IOMMUS * 16-bit SID support for ARM-SMMUv2 * Stream table optimization for ARM-SMMUv3 * Various fixes and other small improvements -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJYqw3hAAoJECvwRC2XARrjPy0P/35ykfHIAESJuF+72ziaoAYA ZvMrli8rGq7n+ntaIGPx9rV+hZTUSF8V2bfsYV7SAn5iYuViXZqvOtC3BAEp6GNC cdMeQfqXoHiWVMdXdOihzk+6YCQvBxqPOvUtYFqVhOo3Yrz8Dc71KsKvrTndEUVY f7bXHKssVONkWMga9lIVDgEefG5VyJPEQaxJXB9ymLHXbwWOcISe1lgtkrzFSxSH H9YNI07Tfcxfn6rN8jGmcYFYM58xwBicpB4HBw5uytMBYAsxqTEsx4X5dGpOF6RH cFW9nby+9ZlcTMyuWXKAck3o8df2ZC1xiSjnz+DHQdBPFiFNqIL3PVUcaz9PnF2e e6Y+DA3s+jykeiCvi2K0Z9RwTg7t8S5spel+UCeNVSnIjE9pqZNLF8vsDjF17zuR +zcFm7RVI397QVQGp0dbqhtxnwqt/3CX/wlzpvuNdEZa4vwujpcnM9tfl6gyFrF8 awK9Fj5ryAn4DEiM+8yiRHwLrU5ij1cfc8jQdqleEB2ca7Wv3g1uhhS0QTXOFY9u A7ygOna25U1EcOwjC6ebjiEL115ZEOrXo+eChhzCHoUEHCVxL+L/NAMEsUcMqPIw 3XsHhru0HbXgd5O5wHX39s2je8G3+ElqQwy8Ja3DimV6tvon7yaKCXy9QU+2aa1u 3r53R/0mW1ijtOfK+I0b =5b3I -----END PGP SIGNATURE----- Merge tag 'iommu-updates-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU UPDATES from Joerg Roedel: - KVM PCIe/MSI passthrough support on ARM/ARM64 - introduction of a core representation for individual hardware iommus - support for IOMMU privileged mappings as supported by some ARM IOMMUS - 16-bit SID support for ARM-SMMUv2 - stream table optimization for ARM-SMMUv3 - various fixes and other small improvements * tag 'iommu-updates-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (61 commits) vfio/type1: Fix error return code in vfio_iommu_type1_attach_group() iommu: Remove iommu_register_instance interface iommu/exynos: Make use of iommu_device_register interface iommu/mediatek: Make use of iommu_device_register interface iommu/msm: Make use of iommu_device_register interface iommu/arm-smmu: Make use of the iommu_register interface iommu: Add iommu_device_set_fwnode() interface iommu: Make iommu_device_link/unlink take a struct iommu_device iommu: Add sysfs bindings for struct iommu_device iommu: Introduce new 'struct iommu_device' iommu: Rename struct iommu_device iommu: Rename iommu_get_instance() iommu: Fix static checker warning in iommu_insert_device_resv_regions iommu: Avoid unnecessary assignment of dev->iommu_fwspec iommu/mediatek: Remove bogus 'select' statements iommu/dma: Remove bogus dma_supported() implementation iommu/ipmmu-vmsa: Restrict IOMMU Domain Geometry to 32-bit address space iommu/vt-d: Don't over-free page table directories iommu/vt-d: Tylersburg isoch identity map check is done too late. iommu/vt-d: Fix some macros that are incorrectly specified in intel-iommu ... |
||
|
Linus Torvalds
|
345fb0a9a6 |
* Make amd64_edac still load on a machine with unpopulated nodes + cleanups (Yazen Ghannam)
* Expose per-DIMM error counts in sysfs (Aaron Miller) * Add T2080 l2-cache support to mpc85xx (Chris Packham) * Random other small improvements/cleanups/fixlets -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAliqyD0ACgkQEsHwGGHe VUoGMhAAhiSyD3O0wL+e+8Tg0Kbn5nynwjuF1GdPPSsC9xYerRqw6mkcZPZKidBt QoMstORdwoZtZ5BgVIUO4Yn0iqoNAmxOCxEMiDE5hW+ptViSKogGocQIvxojSl65 K9qvUX1I/EpIblHJcMlv9BqvTUTOv5sBhgMSxLjBIArOud/MeaTGEM/CuxwL90mI OeJ++HLNNz657WkKzOH2fm9nvwIgYsg7VhdCxAJBPOuiyZDVBEb5+exFJzcy/kQ/ LLGptFSZ4zv+K2ebZKSBt4YawYUHxLq2ufvFYYEdf9PZ8rGniSdCX7cTiun8ZUCl Q/74BhfIkkNVvcx49ugF883uzO7J2yatnrLp7P2j7RZ5jM6RdqKVteIK3f/iK0kE pjRXglLKXofZvD3UQsS3NeZtZ1Rb6R1ejwqo4jIbqSUaXn3X67Mo/pEEtbvCdeGS duQnE80H+8vqXdJMiYfhHeRvkLKWo2l3o6IsPeNyPO0+3naxvLijsv2hBdx83Y8V Psk8rl3QR4Gqe9y/9SzjtyxHxuSXGNFijrBy1i918LphS5RtE/bWgl5+8SLoe3hg 4g7WjXW0Vpvvu+JVNuXhYXtEUZF2RqvXZMGEv2Iv5okZpBGo3IRFLDudezO1YQ33 xEckv0qHM8LNbMmYjhI4JcfcH4Hos+KBQMPeT4uXB6ItdCf4FRE= =7YI0 -----END PGP SIGNATURE----- Merge tag 'edac_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp Pull EDAC updates from Borislav Petkov: - Make amd64_edac still load on a machine with unpopulated nodes + cleanups (Yazen Ghannam) - Expose per-DIMM error counts in sysfs (Aaron Miller) - Add T2080 l2-cache support to mpc85xx (Chris Packham) - Random other small improvements/cleanups/fixlets * tag 'edac_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: EDAC, mce_amd: Print IPID and Syndrome on a separate line EDAC, amd64: Bump driver version MAINTAINERS, EDAC: Update email for Thor Thayer EDAC, fsl_ddr: Make locally used symbols static EDAC, mpc85xx: Add T2080 l2-cache support EDAC, amd64: Add x86cpuid sanity check during init EDAC, amd64: Don't treat ECC disabled as failure EDAC: Add routine to check if MC devices list is empty EDAC, amd64: Remove unused printing macros EDAC, amd64: Rework messages in ecc_enabled() EDAC, amd64: Move global code out of instance functions EDAC, amd64: Free unused memory when init_one_instance() fails EDAC, mce_amd: Give more context to deferred error message EDAC, i7300: Test for the second channel properly EDAC, sb_edac: Get rid of ->show_interleave_mode() EDAC: Expose per-DIMM error counts in sysfs EDAC, amd64: Save and return err code from probe_one_instance() EDAC, i82975x: Add ioremap_nocache() error handling EDAC: Fix typos in enum mem_type comments EDAC: Make dev_attr_sdram_scrub_rate static |
||
Majd Dibbiny
|
89052d784b |
IB/cma: Add default RoCE TOS to CMA configfs
Add new entry to the RDMA-CM configfs that allows users to select default TOS for RDMA-CM QPs. This is useful for users that want to control the TOS for legacy applications without changing their code. Application that sets the TOS explicitly using the rdma_set_option API will continue to work as expected, meaning overriding the configfs value. CC: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Majd Dibbiny <majd@mellanox.com> Reviewed-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com> |
||
|
Greg Kroah-Hartman
|
a769f30c7b |
Merge 4.10-rc7 into staging-next
This resolves the merge errors that were reported in linux-next and it picks up the staging and IIO fixes that we need/want in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Enric Balletbo i Serra
|
4c466872d8 |
rtc: bq32000: add support to enable disable the trickle charge FET bypass
The bq32000 includes a trickle charge circuit to maintain the charge of the backup supply when a super capacitor is used. You can enable the charging circuit by setting 'trickle-resistor-ohms', additionally you can set TCFE to 1 to bypass the internal diode and boost the charge voltage of the backup supply. You might want to enable/disable the TCFE switch from userspace (e.g when device is only connected to a battery) This patch introduces a new sysfs entry to enable and disable this FET form userspace. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> |
||
Chanwoo Choi
|
775fa8c3aa |
PM / devfreq: Simplify the sysfs name of devfreq-event device
This patch just removes '.' character from the sysfs name of devfreq-event
device as following. Usually, the subsystem uses the similiar naming style
such as {framework name}{Number}.
- old : /sys/class/devfreq-event/event.(X)
- new : /sys/class/devfreq-event/event(X)
And this patch initializes the value of 'event_no' with -1
in order to remove the unneeded operation (-1) when calling
the atomic_inc_return(&event_no).
Lastly, this patch adds the ABI document for devfreq-event class.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
|
||
Joerg Roedel
|
93fa6cf60a | Merge branch 'iommu/guest-msi' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/core | ||
Sean Young
|
0751d33c27 |
[media] rc: change wakeup_protocols to list all protocol variants
For IR wakeup, a driver has to program the hardware to wakeup at a specific IR sequence, so it makes no sense to allow multiple wakeup protocols to be selected. In the same manner the sysfs interface only allows one scancode to be provided. In addition, we need to know the specific variant of the protocol. In short, these changes are made to the wakeup_protocols sysfs entry: - list all the protocol variants rather than the protocol groups, e.g. "nec nec-x nec-32" rather than just "nec". - only allow one protocol variant to be selected rather than multiple - wakeup_filter can only be set once a protocol has been selected in wakeup_protocols. This is an API change, however the only user of this API is the img-ir, but the wakeup code was never merged to mainline, so it was never used. Signed-off-by: Sean Young <sean@mess.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Sifan Naeem <sifan.naeem@imgtec.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> |
||
Hans de Goede
|
0cb8eb30d4 |
leds: class: Add new optional brightness_hw_changed attribute
Some LEDs may have their brightness level changed autonomously (outside of kernel control) by hardware / firmware. This commit adds support for an optional brightness_hw_changed attribute to signal such changes to userspace (if a driver can detect them): What: /sys/class/leds/<led>/brightness_hw_changed Date: January 2017 KernelVersion: 4.11 Description: Last hardware set brightness level for this LED. Some LEDs may be changed autonomously by hardware/firmware. Only LEDs where this happens and the driver can detect this, will have this file. This file supports poll() to detect when the hardware changes the brightness. Reading this file will return the last brightness level set by the hardware, this may be different from the current brightness. Drivers which want to support this, simply add LED_BRIGHT_HW_CHANGED to their flags field and call led_classdev_notify_brightness_hw_changed() with the hardware set brightness when they detect a hardware / firmware triggered brightness change. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> |
||
Fabrice Gasnier
|
732f2dc468 |
iio: adc: stm32: add trigger polarity extended attribute
Define extended attribute so that user may choose rising, falling or both edges for external trigger sources. Default to rising edge in case it isn't set. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Jonathan Cameron
|
6db0f7ccc9 |
Immutable branch between MFD, IIO and PWM due for the v4.11 merge window
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||
Andreas Klinger
|
1dc2af8787 |
iio: distance: srf08: add driver ABI documentation
Add sysfs-bus-iio-distance-srf08 for individual attributes of the driver, especially: - sensitivity which the device documentation calls gain for amplifying the signal - max_range for limiting the maximum distance for expected echos and therefore limiting the time waiting for telegrams Signed-off-by: Andreas Klinger <ak@it-klinger.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Benjamin Gaignard
|
93fbe91b55 |
iio: Add STM32 timer trigger driver
Timers IPs can be used to generate triggers for other IPs like DAC or ADC. Each trigger may result of timer internals signals like counter enable, reset or edge, this configuration could be done through "master_mode" device attribute. Since triggers could be used by DAC or ADC their names are defined in include/ nux/iio/timer/stm32-timer-trigger.h and is_stm32_iio_timer_trigger function could be used to check if the trigger is valid or not. "trgo" trigger have a "sampling_frequency" attribute which allow to configure timer sampling frequency. version 8: - change kernel version from 4.10 to 4.11 in ABI documentation version 7: - remove all iio_device related code - move driver into trigger directory version 5: - simplify tables of triggers - only create an IIO device when needed version 4: - get triggers configuration from "reg" in DT - add tables of triggers - sampling frequency is enable/disable when writing in trigger sampling_frequency attribute - no more use of interruptions version 3: - change compatible to "st,stm32-timer-trigger" - fix attributes access right - use string instead of int for master_mode and slave_mode - document device attributes in sysfs-bus-iio-timer-stm32 version 2: - keep only one compatible - use st,input-triggers-names and st,output-triggers-names to know which triggers are accepted and/or create by the device Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> |
||
Eric Auger
|
bc7d12b91b |
iommu: Implement reserved_regions iommu-group sysfs file
A new iommu-group sysfs attribute file is introduced. It contains the list of reserved regions for the iommu-group. Each reserved region is described on a separate line: - first field is the start IOVA address, - second is the end IOVA address, - third is the type. Signed-off-by: Eric Auger <eric.auger@redhat.com> Tested-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com> Tested-by: Bharat Bhushan <bharat.bhushan@nxp.com> Signed-off-by: Will Deacon <will.deacon@arm.com> |
||
|
Greg Kroah-Hartman
|
08cad739ba |
Second round of IIO new device support, cleanups and features for the 4.11 cycle
New device support:
* lsm6dsx imu
- new driver and bindings.
* max11100 adc
- new driver and bindings.
* tlc4541
- new driver
* tmp007 thermopile
- new driver.
Core
* in kernel interfaces
- pass through raw values if no scaling provided and a processed value is
requested.
* trigger
- close a race condition in acquiring trigger reference.
- constify device_type structures.
- rework the viio_trigger_alloc function to be much neater and easier to
read.
- free trigger resources correctly on some error paths. Avoids putting a
module we don't have.
Documentation
* ABI
- specify a unit for proximity measurements.
Cleanups and features
* ads1015
- constify iio_info structure.
* ads7950 cleanups following merge in previous pull
- Add device tree bindings
- Drop the ti prefix from the module name in common with other drivers.
- Change regulator name to vref to match datasheet and other drivers.
* ak8974
- remove a redundant zero timeout check.
* bmi160
- use variable names for sizeof instead of types.
* cm3605
- mark PM functions as __maybe_unused to avoid a build warning.
* isl29028 (on it's way towards moving out of staging).
- alignment fixes and newline improvements.
- combine proxim_get and read_proxim for simpler code.
- drop unused ISL29028_DEV_ATTR macro
- move some error logging into functions to cut out repitition.
- make error messages more consistent.
- tidy up some brackets.
- drop the enable flag that nothing uses.
- only set proximity rate and ALS scale when relevant channel type is enabled.
- runtime pm support.
* lsm6dsx
- fix wrong values for gyro sensitivitiy.
* mag3110
- claim direct mode during sysfs reads to avoid a race condition.
* max1363
- export OF device table IDs as module aliases.
* max30100
- use msleep for long uncritical delays.
* mcp4531
- export OF device table as module aliases.
* ms5611
- claim direct mode during sysfs reads to avoid a race condition.
* opt3001
- export OF device table as module aliases.
* sx9500
- claim direct mode during oversampling changes to avoid a race condition.
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Merge tag 'iio-for-4.11b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into work-next
Jonathan writes:
Second round of IIO new device support, cleanups and features for the 4.11 cycle
New device support:
* lsm6dsx imu
- new driver and bindings.
* max11100 adc
- new driver and bindings.
* tlc4541
- new driver
* tmp007 thermopile
- new driver.
Core
* in kernel interfaces
- pass through raw values if no scaling provided and a processed value is
requested.
* trigger
- close a race condition in acquiring trigger reference.
- constify device_type structures.
- rework the viio_trigger_alloc function to be much neater and easier to
read.
- free trigger resources correctly on some error paths. Avoids putting a
module we don't have.
Documentation
* ABI
- specify a unit for proximity measurements.
Cleanups and features
* ads1015
- constify iio_info structure.
* ads7950 cleanups following merge in previous pull
- Add device tree bindings
- Drop the ti prefix from the module name in common with other drivers.
- Change regulator name to vref to match datasheet and other drivers.
* ak8974
- remove a redundant zero timeout check.
* bmi160
- use variable names for sizeof instead of types.
* cm3605
- mark PM functions as __maybe_unused to avoid a build warning.
* isl29028 (on it's way towards moving out of staging).
- alignment fixes and newline improvements.
- combine proxim_get and read_proxim for simpler code.
- drop unused ISL29028_DEV_ATTR macro
- move some error logging into functions to cut out repitition.
- make error messages more consistent.
- tidy up some brackets.
- drop the enable flag that nothing uses.
- only set proximity rate and ALS scale when relevant channel type is enabled.
- runtime pm support.
* lsm6dsx
- fix wrong values for gyro sensitivitiy.
* mag3110
- claim direct mode during sysfs reads to avoid a race condition.
* max1363
- export OF device table IDs as module aliases.
* max30100
- use msleep for long uncritical delays.
* mcp4531
- export OF device table as module aliases.
* ms5611
- claim direct mode during sysfs reads to avoid a race condition.
* opt3001
- export OF device table as module aliases.
* sx9500
- claim direct mode during oversampling changes to avoid a race condition.
|
||
|
Greg Kroah-Hartman
|
4463c3e72d |
First round of new device support, features and cleanups for IIO in the 4.11 cycle.
It's shaping to be another fairly busy cycle. Lots more on the way! New device support * ads7950 - new driver supporting ads7950, ads7951, ads7952, ads7953, ads7954, ads7955, ads7956, ads7957, ads7958, ads7959, ads7960, and ads7961 ADCs. * cm3605 - New driver for this light sensor and proximity sensor which is an analog part with some additional digital controls. * hx711 - New driver. Core new stuff * Gravity sensor type. This is a processed datastream in which the device will try to work out which way is down. * Split the buffer.h file into two parts. One provides the interface to 'use' a buffer, the second provides the internals of the buffer functionality as needed by implementations of buffers. - Move documentation inline so as to allow use of private: tag when generating documentation. - Add some utility functions for the few things that are directly done with the buffers. - Stop exporting functions that no-one uses outside of the core code. - Push docs down by the code in the c file where they should have always been. - Fix typo in kernel-doc for buffer. - push down some includes that were previously happening implicitly. - stop enabling the timestamp of the dummy device. Features and cleanups * ad5592r - ACPI support * ad5593r -ACPI support. * ad5933 - Fix a false comment about size of a particular register. * ad7150 - replace S_IRUGO | S_IWUSR with 0644. I'm not that keen on these patches in general, but as it was nicely presented I took this one anyway. As a general rule will only take these as part of a larger driver cleanup. - don't eat an error but rather reutnr it in the write_event_config callback. * ad7606 - replace non standard range attibute with _scale * ade7753 - use usleep_range for short sleeps * ade7754 - use usleep_range for short sleeps * ade7758 - use usleep_range for short sleeps * ade7759 - use usleep_range for short sleeps * |
||
Aaron Miller
|
4fb6fde74d |
EDAC: Expose per-DIMM error counts in sysfs
The old csrowX sysfs directories have per-csrow error counters, but the new dimmX directories do not currently expose error counts. EDAC already keeps these counts, add them to sysfs so per-DIMM counts are still available when CONFIG_EDAC_LEGACY_SYSFS=n. Signed-off-by: Aaron Miller <aaronmiller@fb.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/20161103220153.3997328-1-aaronmiller@fb.com Signed-off-by: Borislav Petkov <bp@suse.de> |
||
|
Greg Kroah-Hartman
|
c7334ce814 |
Revert "driver core: Add deferred_probe attribute to devices in sysfs"
This reverts commit
|
||
|
Enric Balletbo i Serra
|
a9c99c76f5 |
iio: Documentation: Add proximity unit
To follow iio guidelines Where possible we stick to the raw SI unit, so specify meters for proximity. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Song Hongyan
|
571299d099 |
iio: Add channel for Gravity
Add new channel types support for gravity sensor. Gravity sensor provides an application-level or physical collection that identifies a device that measures exclusively the force of Earth's gravity along any number of axes. More information can be found in: http://www.usb.org/developers/hidpage/HUTRR59_-_Usages_for_Wearables.pdf Signed-off-by: Song Hongyan <hongyan.song@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Amit Kumar
|
c4c5cd695f |
dmaengine: qcom_hidma: Wrong domain name in the email address
cudeaurora.org is used in place of codeaurora.org in the contact field. Signed-off-by: Amit Kumar <free.amit.kumar@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> |
||
Colin Ian King
|
f792e3503f |
iio: Documentation: fix spelling mistake: "deactived" -> "deactivated"
trivial fix to spelling mistake in iio documentation Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Linus Torvalds
|
eb254f323b |
Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache allocation interface from Thomas Gleixner:
"This provides support for Intel's Cache Allocation Technology, a cache
partitioning mechanism.
The interface is odd, but the hardware interface of that CAT stuff is
odd as well.
We tried hard to come up with an abstraction, but that only allows
rather simple partitioning, but no way of sharing and dealing with the
per package nature of this mechanism.
In the end we decided to expose the allocation bitmaps directly so all
combinations of the hardware can be utilized.
There are two ways of associating a cache partition:
- Task
A task can be added to a resource group. It uses the cache
partition associated to the group.
- CPU
All tasks which are not member of a resource group use the group to
which the CPU they are running on is associated with.
That allows for simple CPU based partitioning schemes.
The main expected user sare:
- Virtualization so a VM can only trash only the associated part of
the cash w/o disturbing others
- Real-Time systems to seperate RT and general workloads.
- Latency sensitive enterprise workloads
- In theory this also can be used to protect against cache side
channel attacks"
[ Intel RDT is "Resource Director Technology". The interface really is
rather odd and very specific, which delayed this pull request while I
was thinking about it. The pull request itself came in early during
the merge window, I just delayed it until things had calmed down and I
had more time.
But people tell me they'll use this, and the good news is that it is
_so_ specific that it's rather independent of anything else, and no
user is going to depend on the interface since it's pretty rare. So if
push comes to shove, we can just remove the interface and nothing will
break ]
* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
x86/intel_rdt: Implement show_options() for resctrlfs
x86/intel_rdt: Call intel_rdt_sched_in() with preemption disabled
x86/intel_rdt: Update task closid immediately on CPU in rmdir and unmount
x86/intel_rdt: Fix setting of closid when adding CPUs to a group
x86/intel_rdt: Update percpu closid immeditately on CPUs affected by changee
x86/intel_rdt: Reset per cpu closids on unmount
x86/intel_rdt: Select KERNFS when enabling INTEL_RDT_A
x86/intel_rdt: Prevent deadlock against hotplug lock
x86/intel_rdt: Protect info directory from removal
x86/intel_rdt: Add info files to Documentation
x86/intel_rdt: Export the minimum number of set mask bits in sysfs
x86/intel_rdt: Propagate error in rdt_mount() properly
x86/intel_rdt: Add a missing #include
MAINTAINERS: Add maintainer for Intel RDT resource allocation
x86/intel_rdt: Add scheduler hook
x86/intel_rdt: Add schemata file
x86/intel_rdt: Add tasks files
x86/intel_rdt: Add cpus file
x86/intel_rdt: Add mkdir to resctrl file system
x86/intel_rdt: Add "info" files to resctrl file system
...
|
||
|
Linus Torvalds
|
b0b3a37b90 |
RTC for 4.10
Subsystem:
- non-modular drivers are now explicitly non-modular
New driver:
- Epson Toyocom rtc-7301sf/dg
Drivers:
- cmos: reject unsupported alarm values wrt the RTC capabilities
- ds1307: ACPI support
- jz4740: DT support, jz4780 handling, can now be used as a system power
controller
- mcp795: many fixes, in particular proper month handling
- twl: driver is now DT only
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Merge tag 'rtc-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- non-modular drivers are now explicitly non-modular
New driver:
- Epson Toyocom rtc-7301sf/dg
Drivers:
- cmos: reject unsupported alarm values wrt the RTC capabilities
- ds1307: ACPI support
- jz4740: DT support, jz4780 handling, can now be used as a system
power controller
- mcp795: many fixes, in particular proper month handling
- twl: driver is now DT only"
* tag 'rtc-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (31 commits)
rtc: mcp795: Fix whitespace and indentation.
rtc: mcp795: Prefer using the BIT() macro.
rtc: mcp795: fix month write resetting date to 1.
rtc: mcp795: fix time range difference between linux and RTC chip.
rtc: mcp795: fix bitmask value for leap year (LP).
rtc: mcp795: use bcd2bin/bin2bcd.
rtc: add support for EPSON TOYOCOM RTC-7301SF/DG
rtc: ds1307: Add ACPI support
rtc: imxdi: (trivial) fix a typo
rtc: ds1374: Merge conditional + WARN_ON()
rtc: twl: make driver DT only
rtc: twl: kill static variables
rtc: fix typos in Kconfig
rtc: jz4740: make the driver builtin only
rtc: jz4740: remove unused EXPORT_SYMBOL
Documentation: bindings: fix twl-rtc documentation
rtc: Enable compile testing for Maxim and Samsung drivers
MIPS: jz4740: Remove obsolete code
MIPS: qi_lb60: Probe RTC driver from DT and use it as power controller
MIPS: jz4740: DTS: Probe the jz4740-rtc driver from devicetree
...
|
||
|
Linus Torvalds
|
0ab7b12c49 |
pci-v4.10-changes
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Merge tag 'pci-v4.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"PCI changes:
- add support for PCI on ARM64 boxes with ACPI. We already had this
for theoretical spec-compliant hardware; now we're adding quirks
for the actual hardware (Cavium, HiSilicon, Qualcomm, X-Gene)
- add runtime PM support for hotplug ports
- enable runtime suspend for Intel UHCI that uses platform-specific
wakeup signaling
- add yet another host bridge registration interface. We hope this is
extensible enough to subsume the others
- expose device revision in sysfs for DRM
- to avoid device conflicts, make sure any VF BAR updates are done
before enabling the VF
- avoid unnecessary link retrains for ASPM
- allow INTx masking on Mellanox devices that support it
- allow access to non-standard VPD for Chelsio devices
- update Broadcom iProc support for PAXB v2, PAXC v2, inbound DMA,
etc
- update Rockchip support for max-link-speed
- add NVIDIA Tegra210 support
- add Layerscape LS1046a support
- update R-Car compatibility strings
- add Qualcomm MSM8996 support
- remove some uninformative bootup messages"
* tag 'pci-v4.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (115 commits)
PCI: Enable access to non-standard VPD for Chelsio devices (cxgb3)
PCI: Expand "VPD access disabled" quirk message
PCI: pciehp: Remove loading message
PCI: hotplug: Remove hotplug core message
PCI: Remove service driver load/unload messages
PCI/AER: Log AER IRQ when claiming Root Port
PCI/AER: Log errors with PCI device, not PCIe service device
PCI/AER: Remove unused version macros
PCI/PME: Log PME IRQ when claiming Root Port
PCI/PME: Drop unused support for PMEs from Root Complex Event Collectors
PCI: Move config space size macros to pci_regs.h
x86/platform/intel-mid: Constify mid_pci_platform_pm
PCI/ASPM: Don't retrain link if ASPM not possible
PCI: iproc: Skip check for legacy IRQ on PAXC buses
PCI: pciehp: Leave power indicator on when enabling already-enabled slot
PCI: pciehp: Prioritize data-link event over presence detect
PCI: rcar: Add gen3 fallback compatibility string for pcie-rcar
PCI: rcar: Use gen2 fallback compatibility last
PCI: rcar-gen2: Use gen2 fallback compatibility last
PCI: rockchip: Move the deassert of pm/aclk/pclk after phy_init()
..
|
||
|
Linus Torvalds
|
ce38207f16 |
sound updates for 4.10-rc1
No dramatic changes are found in this development cycle, but as usual,
many commits are applied in a wide range of drivers.
Most of big changes are in ASoC, where a few bits of framework work
and quite a lot of cleanups and improvements to existing code have
been done. The rest are usual stuff, a few HD-audio and USB-audio
quirks and fixes, as well as the drop of kthread usages in the whole
subsystem.
Below are some highlights:
ASoC:
- Support for stereo DAPM controls
- Some initial work on the of-graph sound card
- regmap conversions of the remaining AC'97 drivers
- A new version of the topology ABI; this should be backward compatible
- Updates / cleanups of rsnd, sunxi, sti, nau8825, samsung, arizona,
Intel skylake, atom-sst
- New drivers for Cirrus Logic CS42L42, Qualcomm MSM8916-WCD, and
Realtek RT5665
USB-audio:
- Yet another race fix at disconnection
- Tolerated packet size calculation for some Android devices
- Quirks for Axe-Fx II, QuickCam, TEAC 501/503
HD-audio:
- Improvement of Dell pin fixup mapping
- Quirks for HP Z1 Gen3, Alienware 15 R2 2016 and ALC622 headset mic
Misc:
- Replace all kthread usages with simple works
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Merge tag 'sound-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"No dramatic changes are found in this development cycle, but as usual,
many commits are applied in a wide range of drivers.
Most of big changes are in ASoC, where a few bits of framework work
and quite a lot of cleanups and improvements to existing code have
been done. The rest are usual stuff, a few HD-audio and USB-audio
quirks and fixes, as well as the drop of kthread usages in the whole
subsystem.
Below are some highlights:
ASoC:
- support for stereo DAPM controls
- some initial work on the of-graph sound card
- regmap conversions of the remaining AC'97 drivers
- a new version of the topology ABI; this should be backward
compatible
- updates / cleanups of rsnd, sunxi, sti, nau8825, samsung, arizona,
Intel skylake, atom-sst
- new drivers for Cirrus Logic CS42L42, Qualcomm MSM8916-WCD, and
Realtek RT5665
USB-audio:
- yet another race fix at disconnection
- tolerated packet size calculation for some Android devices
- quirks for Axe-Fx II, QuickCam, TEAC 501/503
HD-audio:
- improvement of Dell pin fixup mapping
- quirks for HP Z1 Gen3, Alienware 15 R2 2016 and ALC622 headset mic
Misc:
- replace all kthread usages with simple works"
* tag 'sound-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (296 commits)
ALSA: hiface: Fix M2Tech hiFace driver sampling rate change
ALSA: usb-audio: Eliminate noise at the start of DSD playback.
ALSA: usb-audio: Add native DSD support for TEAC 501/503 DAC
ASoC: wm_adsp: wm_adsp_buf_alloc should use kfree in error path
ASoC: topology: avoid uninitialized kcontrol_type
ALSA: usb-audio: Add QuickCam Communicate Deluxe/S7500 to volume_control_quirks
ALSA: usb-audio: add implicit fb quirk for Axe-Fx II
ASoC: zte: spdif: correct ZX_SPDIF_CLK_RAT define
ASoC: zte: spdif and i2s drivers are not zx296702 specific
ASoC: rsnd: setup BRGCKR/BRRA/BRRB when starting
ASoC: rsnd: enable/disable ADG when suspend/resume timing
ASoC: rsnd: tidyup ssi->usrcnt counter check in hw_params
ALSA: cs46xx: add a new line
ASoC: Intel: update bxt_da7219_max98357a to support quad ch dmic capture
ASoC: nau8825: disable sinc filter for high THD of ADC
ALSA: usb-audio: more tolerant packetsize
ALSA: usb-audio: avoid setting of sample rate multiple times on bus
ASoC: cs35l34: Simplify the logic to set CS35L34_MCLK_CTL setting
ALSA: hda - Gate the mic jack on HP Z1 Gen3 AiO
ALSA: hda: when comparing pin configurations, ignore assoc in addition to seq
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Linus Torvalds
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b78b499a67 |
Char/Misc driver patches for 4.10-rc1
Here's the big char/misc driver patches for 4.10-rc1. Lots of tiny changes over lots of "minor" driver subsystems, the largest being some new FPGA drivers. Other than that, a few other new drivers, but no new driver subsystems added for this kernel cycle, a nice change. All of these have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWFAtwA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykyCgCeJn36u1AsBi7qZ3u/1hwD8k56s2IAnRo6U31r WW65YcNTK7qYXqNbfgIa =/t/V -----END PGP SIGNATURE----- Merge tag 'char-misc-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here's the big char/misc driver patches for 4.10-rc1. Lots of tiny changes over lots of "minor" driver subsystems, the largest being some new FPGA drivers. Other than that, a few other new drivers, but no new driver subsystems added for this kernel cycle, a nice change. All of these have been in linux-next with no reported issues" * tag 'char-misc-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (107 commits) uio-hv-generic: store physical addresses instead of virtual Tools: hv: kvp: configurable external scripts path uio-hv-generic: new userspace i/o driver for VMBus vmbus: add support for dynamic device id's hv: change clockevents unbind tactics hv: acquire vmbus_connection.channel_mutex in vmbus_free_channels() hyperv: Fix spelling of HV_UNKOWN mei: bus: enable non-blocking RX mei: fix the back to back interrupt handling mei: synchronize irq before initiating a reset. VME: Remove shutdown entry from vme_driver auxdisplay: ht16k33: select framebuffer helper modules MAINTAINERS: add git url for fpga fpga: Clarify how write_init works streaming modes fpga zynq: Fix incorrect ISR state on bootup fpga zynq: Remove priv->dev fpga zynq: Add missing \n to messages fpga: Add COMPILE_TEST to all drivers uio: pruss: add clk_disable() char/pcmcia: add some error checking in scr24x_read() ... |