Commit Graph

43493 Commits

Author SHA1 Message Date
Jakub Kicinski
2551cab599 doc: cgroup: improve formatting of mem stats
If there is an empty line between item and description
Sphinx does not emphasize the item. First half of the
list does not have the empty line and is emphasized
correctly.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Link: https://lore.kernel.org/r/20200228000653.1572553-3-kuba@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 12:57:03 -07:00
Jakub Kicinski
d0c3bacb3e doc: cgroup: improve formatting
Fix tabs vs spaces issue which cases the line to be considered
a new list entry.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Link: https://lore.kernel.org/r/20200228000653.1572553-2-kuba@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 12:57:03 -07:00
Jonathan Neuschäfer
adf3f38a87 docs: kernel-docs: Remove "Here is its" at the end of lines
Before commit 9e03ea7f68 ("Documentation/kernel-docs.txt: convert it
to ReST markup"), it read:

       Description: Linux Journal Kernel Korner article. Here is its
       abstract: "..."

In Sphinx' HTML formatting, however, the "Here is its" doesn't make
sense anymore, because the "Abstract:" is clearly separated.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20200228204147.8622-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 12:52:24 -07:00
Jonathan Neuschäfer
7fe068dba8 docs: admin-guide: kernel-parameters: Document earlycon options for i.MX UARTs
drivers/tty/serial/imx.c implements these earlycon options.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20200229132750.2783-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 12:51:37 -07:00
Jonathan Neuschäfer
0a464ea4dc docs: dev-tools: gcov: Remove a stray single-quote
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20200229173515.13868-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 12:51:02 -07:00
Manivannan Sadhasivam
ef45e78fdc docs: kref: Clarify the use of two kref_put() in example code
Eventhough the current documentation explains that the reference count
gets incremented by both kref_init() and kref_get(), it is often
misunderstood that only one instance of kref_put() is needed in the
example code. So let's clarify that a bit.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-25 03:39:10 -07:00
Stephen Kitt
021622df55 docs: add a script to check sysctl docs
This script allows sysctl documentation to be checked against the
kernel source code, to identify missing or obsolete entries. Running
it against 5.5 shows for example that sysctl/kernel.rst has two
obsolete entries and is missing 52 entries.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-25 03:35:16 -07:00
Alex Hung
bf347b9da9 Documentation: fix a typo for intel_iommu=nobounce
"untrusted" was mis-spelled as "unstrusted"

Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-25 03:34:25 -07:00
Stephen Kitt
2bd49cb581 docs: sysctl/kernel: document acpi_video_flags
Based on the implementation in arch/x86/kernel/acpi/sleep.c, in
particular the acpi_sleep_setup() function.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-25 03:27:23 -07:00
Jonathan Corbet
2f5ab6225f A pair of docs-build fixes.
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Merge tag 'docs-5.6-fixes' into docs-next

A pair of docs-build fixes.
2020-02-25 03:22:29 -07:00
Kees Cook
adc10f5b0a docs: Fix empty parallelism argument
When there was no parallelism (no top-level -j arg and a pre-1.7
sphinx-build), the argument passed would be empty ("") instead of just
being missing, which would (understandably) badly confuse sphinx-build.
Fix this by removing the quotes.

Reported-by: Rafael J. Wysocki <rafael@kernel.org>
Fixes: 51e46c7a40 ("docs, parallelism: Rearrange how jobserver reservations are made")
Cc: stable@vger.kernel.org  # v5.5 only
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-25 03:11:04 -07:00
Stephen Kitt
53ace11952 docs: remove MPX from the x86 toc
MPX was removed in commit 45fc24e89b ("x86/mpx: remove MPX from
arch/x86"), this removes the corresponding entry in the x86 toc.

This was suggested by a Sphinx warning.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Fixes: 45fc24e89b ("x86/mpx: remove MPX from arch/x86")
Acked-by: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-25 03:10:22 -07:00
Mauro Carvalho Chehab
a3aead706d docs: gpu: i915.rst: fix warnings due to file renames
Fix two warnings due to file rename:

	WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -function csr support for dmc ./drivers/gpu/drm/i915/intel_csr.c' failed with return code 1
	WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -internal ./drivers/gpu/drm/i915/intel_csr.c' failed with return code 2

Fixes: 06d3ff6e74 ("drm/i915: move intel_csr.[ch] under display/")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-25 03:02:35 -07:00
Michael Ellerman
43e96ef8b7 docs/core-api: Add Fedora instructions for GCC plugins
Add an example of how to install the necessary packages for GCC
plugins on Fedora.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-25 02:44:35 -07:00
Jonathan Neuschäfer
e2c79ab7d7 tools/edid: Move EDID data sets from Documentation/
The EDID files are not really documentation.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 04:10:32 -07:00
Jonathan Neuschäfer
b4ce545f34 docs: admin-guide: edid: Clarify where to run "make"
When both the documentation and the data files lived in
Documentation/EDID, this wasn't necessary, but both have
been moved to other directories in the meantime.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 04:10:32 -07:00
Jonathan Neuschäfer
320bfd91a9 docs: admin-guide: Move edid.rst from driver-api
This document describes actions that an admin can do, rather than
interfaces available to driver developers, so admin-guide seems to
be a more appropriate place for it.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 04:10:31 -07:00
Jonathan Neuschäfer
1733ec77d3 docs: driver-api: edid: Fix list formatting
Without the empty lines, Sphinx renders the list as part of the running
text.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 04:10:31 -07:00
Randy Dunlap
965fc39f73 Documentation: sort _SPHINXDIRS for 'make help'
Sort the _SPHINXDIRS so that the 'make help' output is easier to read &
search and in a predictable order instead of some unknown pseudo-random
order.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 04:05:34 -07:00
Tony Fischetti
fb0e0ffe7f Documentation: bring process docs up to date
The guide to the kernel dev process documentation, for example, contains
references to older kernels and their timelines. In addition, one of the
"long term support kernels" listed have since reached EOL, and a new one
has been named. This patch brings information/tables up to date.

Additionally, some very trivial grammatical errors, unclear sentences,
and potentially unsavory diction have been edited.

Signed-off-by: Tony Fischetti <tony.fischetti@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 04:03:54 -07:00
Bhaskar Chowdhury
dff2c2e69f Replace dead urls with active urls for Mutt
This patch replace stale/dead urls with active urls for Mutt.

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 03:47:41 -07:00
Stephen Kitt
8f21f54b8a docs: sysctl/kernel: remove rtsig entries
These have no corresponding code in the kernel.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 03:34:42 -07:00
Stephen Kitt
404347e68a docs: document panic fully in sysctl/kernel.rst
The description of panic doesn’t cover all the supported scenarios;
this patch fixes that, describing the three possibilities (no reboot,
immediate reboot, reboot after a delay).

Based on the implementation in kernel/panic.c.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 03:34:37 -07:00
Stephen Kitt
a1ad4f1505 docs: document stop-a in sysctl/kernel.rst
This describes the SPARC-specific stop-a sysctl entry, which was
previously listed in kernel.rst but not documented.

Base on the implementation in arch/sparc/kernel/setup_{32,64}.c and
kernel/panic.c.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 03:34:32 -07:00
Stephen Kitt
fa5b526411 docs: add missing IPC documentation in sysctl/kernel.rst
This adds short descriptions of msgmax, msgmnb, msgmni, and shmmni,
which were previously listed in kernel.rst but not described.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 03:34:25 -07:00
Stephen Kitt
a474105bb6 docs: drop l2cr from sysctl/kernel.rst
The l2cr sysctl entry was removed in commit c2f3dabefa ("sysctl:
kill binary sysctl KERN_PPC_L2CR"), this removes the corresponding
documentation.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 03:34:20 -07:00
Stephen Kitt
0317c5371e docs: merge debugging-modules.txt into sysctl/kernel.rst
This fits nicely in sysctl/kernel.rst, merge it (and rephrase it)
instead of linking to it.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 03:34:13 -07:00
Stephen Kitt
a3cb66a508 docs: pretty up sysctl/kernel.rst
This updates sysctl/kernel.rst to use ReStructured Text more fully:
* the list of files is now the table of contents (old entries with no
  corresponding sections are added as empty sections for now);
* code references and commands are formatted as code, except for
  function names which end up linked to the appropriate documentation;
* links are used to point to other documentation and other sections;
* tables are used to make lists of values more readable (as already
  done for some sections);
* in heavily-reworked paragraphs, sentences are wrapped individually,
  to make future diffs easier to read.

The first mention of the kernel version is dropped. The second
mention, saying that the document is accurate for 2.2, is preserved
for now; I will update that once the document really is accurate for a
current kernel release.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 03:33:59 -07:00
Jonathan Neuschäfer
fb2511247d docs: Fix path to MTD command line partition parser
cmdlinepart.c has been moved to drivers/mtd/parsers/.

Fixes: a3f12a35c9 ("mtd: parsers: Move CMDLINE parser")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 02:43:40 -07:00
Jonathan Neuschäfer
2d5dfb5911 docs: arm: tcm: Fix a few typos
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 02:42:21 -07:00
Alexandre Ghiti
874ddbce48 documentation: vm: Advertise support for pte_special in riscv
Risc-V architecture has actually supported pte_special since its merge
upstream, simply add this info to the documentation.

Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-19 02:41:01 -07:00
Randy Dunlap
2e5b1886e9 Documentation: bootconfig: fix Sphinx block warning
Fix Sphinx format warning:

lnx-56-rc1/Documentation/admin-guide/bootconfig.rst:26: WARNING: Literal block expected; none found.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/07b3e31f-9b1e-1876-aa60-4436e4dd6da0@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:43:43 -07:00
Alexandre Belloni
473da2f0d8 docs: userspace: ioctl-number: remove mc146818rtc conflict
In 2.3.43pre2, the RTC ioctls definitions were actually moved from
linux/mc146818rtc.h to linux/rtc.h

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200209203304.66004-1-alexandre.belloni@bootlin.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:42:02 -07:00
Wang Long
3b82a112ce Documentation/ABI: move sysfs-kernel-uids to removed directory
commit 7c9414385e ("sched: Remove USER_SCHED") deleted the
USER_SCHED feature. so move the ABI doc to removed directory.

Signed-off-by: Wang Long <w@laoqinren.net>
Link: https://lore.kernel.org/r/1581082930-30441-1-git-send-email-w@laoqinren.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:39:36 -07:00
d.hatayama@fujitsu.com
895f2c20a8 docs: admin-guide: Add description of %c corename format
There is somehow no description of %c corename format specifier for
/proc/sys/kernel/core_pattern. The %c corename format specifier is
used by user-space application such as systemd-coredump, so it should
be documented.

To find where %c is handled in the kernel source code, look at
function format_corename() in fs/coredump.c.

Signed-off-by: HATAYAMA Daisuke <d.hatayama@fujitsu.com>
Link: https://lore.kernel.org/r/TYAPR01MB4014714BB2ACE425BB6EC6B7951A0@TYAPR01MB4014.jpnprd01.prod.outlook.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:37:00 -07:00
Yue Hu
56e6b3b0b3 Documentation: zram: fix the description about orig_data_size of mm_stat
orig_data_size counted the same_pages by commit 51f9f82c85 ("zram:
count same page write as page_stored"), so let's fix it.

Signed-off-by: Yue Hu <zbestahu@163.com>
Link: https://lore.kernel.org/r/20200206111031.9524-1-zbestahu@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:33:32 -07:00
Daniel W. S. Almeida
cb63032b12 Documentation: nfs: knfsd-stats: convert to ReST
Convert knfsd-stats.txt to ReST. Content remains mostly the same.

Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/20200129044917.566906-6-dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:21:35 -07:00
Daniel W. S. Almeida
04f81fb08d Documentation: nfs: nfs41-server: convert to ReST
Convert nfs41-server.txt to ReST. ASCII tables were converted to ReST grid
table format.

Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/20200129044917.566906-5-dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:21:31 -07:00
Daniel W. S. Almeida
250baf06aa Documentation: nfs: rpc-server-gss: convert to ReST
Convert rpc-server-gss.txt to ReST. Content remains mostly unchanged.

Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/20200129044917.566906-4-dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:21:28 -07:00
Daniel W. S. Almeida
f0bf8a988b Documentation: nfs: rpc-cache: convert to ReST
Convert rpc-cache.txt to ReST. Changes aim to improve presentation
but the content itself remains mostly the same.

Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/20200129044917.566906-3-dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:21:23 -07:00
Daniel W. S. Almeida
34e75cf4be Documentation: nfs: convert pnfs.txt to ReST
Convert pnfs.txt to ReST. Content remains mostly unchanged.

Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/20200129044917.566906-2-dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-13 11:21:08 -07:00
Linus Torvalds
89a47dd1af Kbuild updates for v5.6 (2nd)
- fix randconfig to generate a sane .config
 
  - rename hostprogs-y / always to hostprogs / always-y, which are
    more natual syntax.
 
  - optimize scripts/kallsyms
 
  - fix yes2modconfig and mod2yesconfig
 
  - make multiple directory targets ('make foo/ bar/') work
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Merge tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull more Kbuild updates from Masahiro Yamada:

 - fix randconfig to generate a sane .config

 - rename hostprogs-y / always to hostprogs / always-y, which are more
   natual syntax.

 - optimize scripts/kallsyms

 - fix yes2modconfig and mod2yesconfig

 - make multiple directory targets ('make foo/ bar/') work

* tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: make multiple directory targets work
  kconfig: Invalidate all symbols after changing to y or m.
  kallsyms: fix type of kallsyms_token_table[]
  scripts/kallsyms: change table to store (strcut sym_entry *)
  scripts/kallsyms: rename local variables in read_symbol()
  kbuild: rename hostprogs-y/always to hostprogs/always-y
  kbuild: fix the document to use extra-y for vmlinux.lds
  kconfig: fix broken dependency in randconfig-generated .config
2020-02-09 16:05:50 -08:00
Linus Torvalds
380a129eb2 fs: New zonefs file system
Zonefs is a very simple file system exposing each zone of a zoned block
 device as a file.
 
 Unlike a regular file system with native zoned block device support
 (e.g. f2fs or the on-going btrfs effort), zonefs does not hide the
 sequential write constraint of zoned block devices to the user. As a
 result, zonefs is not a POSIX compliant file system. Its goal is to
 simplify the implementation of zoned block devices support in
 applications by replacing raw block device file accesses with a richer
 file based API, avoiding relying on direct block device file ioctls
 which may be more obscure to developers.
 
 One example of this approach is the implementation of LSM
 (log-structured merge) tree structures (such as used in RocksDB and
 LevelDB) on zoned block devices by allowing SSTables to be stored in a
 zone file similarly to a regular file system rather than as a range of
 sectors of a zoned device. The introduction of the higher level
 construct "one file is one zone" can help reducing the amount of changes
 needed in the application while at the same time allowing the use of
 zoned block devices with various programming languages other than C.
 
 Zonefs IO management implementation uses the new iomap generic code.
 Zonefs has been successfully tested using a functional test suite
 (available with zonefs userland format tool on github) and a prototype
 implementation of LevelDB on top of zonefs.
 
 Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
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Merge tag 'zonefs-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs

Pull new zonefs file system from Damien Le Moal:
 "Zonefs is a very simple file system exposing each zone of a zoned
  block device as a file.

  Unlike a regular file system with native zoned block device support
  (e.g. f2fs or the on-going btrfs effort), zonefs does not hide the
  sequential write constraint of zoned block devices to the user. As a
  result, zonefs is not a POSIX compliant file system. Its goal is to
  simplify the implementation of zoned block devices support in
  applications by replacing raw block device file accesses with a richer
  file based API, avoiding relying on direct block device file ioctls
  which may be more obscure to developers.

  One example of this approach is the implementation of LSM
  (log-structured merge) tree structures (such as used in RocksDB and
  LevelDB) on zoned block devices by allowing SSTables to be stored in a
  zone file similarly to a regular file system rather than as a range of
  sectors of a zoned device. The introduction of the higher level
  construct "one file is one zone" can help reducing the amount of
  changes needed in the application while at the same time allowing the
  use of zoned block devices with various programming languages other
  than C.

  Zonefs IO management implementation uses the new iomap generic code.
  Zonefs has been successfully tested using a functional test suite
  (available with zonefs userland format tool on github) and a prototype
  implementation of LevelDB on top of zonefs"

* tag 'zonefs-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
  zonefs: Add documentation
  fs: New zonefs file system
2020-02-09 15:51:46 -08:00
Linus Torvalds
eab3540562 ARM: SoC-related driver updates
Various driver updates for platforms:
 
  - Nvidia: Fuse support for Tegra194, continued memory controller pieces
    for Tegra30
 
  - NXP/FSL: Refactorings of QuickEngine drivers to support ARM/ARM64/PPC
 
  - NXP/FSL: i.MX8MP SoC driver pieces
 
  - TI Keystone: ring accelerator driver
 
  - Qualcomm: SCM driver cleanup/refactoring + support for new SoCs.
 
  - Xilinx ZynqMP: feature checking interface for firmware. Mailbox
    communication for power management
 
  - Overall support patch set for cpuidle on more complex hierarchies
    (PSCI-based)
 
 + Misc cleanups, refactorings of Marvell, TI, other platforms.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC-related driver updates from Olof Johansson:
 "Various driver updates for platforms:

   - Nvidia: Fuse support for Tegra194, continued memory controller
     pieces for Tegra30

   - NXP/FSL: Refactorings of QuickEngine drivers to support
     ARM/ARM64/PPC

   - NXP/FSL: i.MX8MP SoC driver pieces

   - TI Keystone: ring accelerator driver

   - Qualcomm: SCM driver cleanup/refactoring + support for new SoCs.

   - Xilinx ZynqMP: feature checking interface for firmware. Mailbox
     communication for power management

   - Overall support patch set for cpuidle on more complex hierarchies
     (PSCI-based)

  and misc cleanups, refactorings of Marvell, TI, other platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (166 commits)
  drivers: soc: xilinx: Use mailbox IPI callback
  dt-bindings: power: reset: xilinx: Add bindings for ipi mailbox
  drivers: soc: ti: knav_qmss_queue: Pass lockdep expression to RCU lists
  MAINTAINERS: Add brcmstb PCIe controller entry
  soc/tegra: fuse: Unmap registers once they are not needed anymore
  soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
  soc/tegra: fuse: Warn if straps are not ready
  soc/tegra: fuse: Cache values of straps and Chip ID registers
  memory: tegra30-emc: Correct error message for timed out auto calibration
  memory: tegra30-emc: Firm up hardware programming sequence
  memory: tegra30-emc: Firm up suspend/resume sequence
  soc/tegra: regulators: Do nothing if voltage is unchanged
  memory: tegra: Correct reset value of xusb_hostr
  soc/tegra: fuse: Add APB DMA dependency for Tegra20
  bus: tegra-aconnect: Remove PM_CLK dependency
  dt-bindings: mediatek: add MT6765 power dt-bindings
  soc: mediatek: cmdq: delete not used define
  memory: tegra: Add support for the Tegra194 memory controller
  memory: tegra: Only include support for enabled SoCs
  memory: tegra: Support DVFS on Tegra186 and later
  ...
2020-02-08 14:04:19 -08:00
Linus Torvalds
1afa9c3b7c ARM: Device-tree updates
New SoCs:
 
  - Atmel/Microchip SAM9X60 (ARM926 SoC)
 
  - OMAP 37xx gets split into AM3703/AM3715/DM3725, who are all variants
    of it with different GPU/media IP configurations.
 
  - ST stm32mp15 SoCs (1-2 Cortex-A7, CAN, GPU depending on SKU)
 
  - ST Ericsson ab8505 (variant of ab8500) and db8520 (variant of db8500)
 
  - Unisoc SC9863A SoC (8x Cortex-A55 mobile chipset w/ GPU, modem)
 
  - Qualcomm SC7180 (8-core 64bit SoC, unnamed CPU class)
 
 New boards:
 
  - Allwinner
   + Emlid Neutis SoM (H3 variant)
   + Libre Computer ALL-H3-IT
   + PineH64 Model B
 
  - Amlogic
   + Libretech Amlogic GX PC (s905d and s912-based variants)
 
  - Atmel/Microchip:
   + Kizboxmini, sam9x60 EK, sama5d27 Wireless SOM (wlsom1)
 
  - Marvell:
   + Armada 385-based SolidRun Clearfog GTR
 
  - NXP:
   + Gateworks GW59xx boards based on i.MX6/6Q/6QDL
   + Tolino Shine 3 eBook reader (i.MX6sl)
   + Embedded Artists COM (i.MX7ULP)
   + SolidRun CLearfog CX/ITX and HoneyComb (LX2160A-based systems)
   + Google Coral Edge TPU (i.MX8MQ)
 
  - Rockchip
   + Radxa Dalang Carrier (supports rk3288 and rk3399 SOMs)
   + Radxa Rock Pi N10 (RK3399Pro-based)
   + VMARC RK3399Pro SOM
 
  - ST
   + Reference boards for stm32mp15
 
  - ST Ericsson
   + Samsung Galaxy S III mini (GT-I8190)
   + HREF520 reference board for DB8520
 
  - TI OMAP
   + Gen1 Amazon Echo (OMAP3630-based)
 
  - Qualcomm
   + Inforce 6640 Single Board Computer (msm8996-based)
   + SC7180 IDP (SC7180-based)
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM Device-tree updates from Olof Johansson:
 "New SoCs:

   - Atmel/Microchip SAM9X60 (ARM926 SoC)

   - OMAP 37xx gets split into AM3703/AM3715/DM3725, who are all
     variants of it with different GPU/media IP configurations.

   - ST stm32mp15 SoCs (1-2 Cortex-A7, CAN, GPU depending on SKU)

   - ST Ericsson ab8505 (variant of ab8500) and db8520 (variant of
     db8500)

   - Unisoc SC9863A SoC (8x Cortex-A55 mobile chipset w/ GPU, modem)

   - Qualcomm SC7180 (8-core 64bit SoC, unnamed CPU class)

  New boards:

   - Allwinner:
      + Emlid Neutis SoM (H3 variant)
      + Libre Computer ALL-H3-IT
      + PineH64 Model B

   - Amlogic:
      + Libretech Amlogic GX PC (s905d and s912-based variants)

   - Atmel/Microchip:
      + Kizboxmini, sam9x60 EK, sama5d27 Wireless SOM (wlsom1)

   - Marvell:
      + Armada 385-based SolidRun Clearfog GTR

   - NXP:
      + Gateworks GW59xx boards based on i.MX6/6Q/6QDL
      + Tolino Shine 3 eBook reader (i.MX6sl)
      + Embedded Artists COM (i.MX7ULP)
      + SolidRun CLearfog CX/ITX and HoneyComb (LX2160A-based systems)
      + Google Coral Edge TPU (i.MX8MQ)

   - Rockchip:
      + Radxa Dalang Carrier (supports rk3288 and rk3399 SOMs)
      + Radxa Rock Pi N10 (RK3399Pro-based)
      + VMARC RK3399Pro SOM

   - ST:
      + Reference boards for stm32mp15

   - ST Ericsson:
      + Samsung Galaxy S III mini (GT-I8190)
      + HREF520 reference board for DB8520

   - TI OMAP:
      + Gen1 Amazon Echo (OMAP3630-based)

   - Qualcomm:
      + Inforce 6640 Single Board Computer (msm8996-based)
      + SC7180 IDP (SC7180-based)"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (623 commits)
  dt-bindings: fix compilation error of the example in marvell,mmp3-hsic-phy.yaml
  arm64: dts: ti: k3-am654-base-board: Add CSI2 OV5640 camera
  arm64: dts: ti: k3-am65-main Add CAL node
  arm64: dts: ti: k3-j721e-main: Add McASP nodes
  arm64: dts: ti: k3-am654-main: Add McASP nodes
  arm64: dts: ti: k3-j721e: DMA support
  arm64: dts: ti: k3-j721e-main: Move secure proxy and smmu under main_navss
  arm64: dts: ti: k3-j721e-main: Correct main NAVSS representation
  arm64: dts: ti: k3-j721e: Correct the address for MAIN NAVSS
  arm64: dts: ti: k3-am65: DMA support
  arm64: dts: ti: k3-am65-main: Move secure proxy under cbass_main_navss
  arm64: dts: ti: k3-am65-main: Correct main NAVSS representation
  ARM: dts: aspeed: rainier: Add UCD90320 power sequencer
  ARM: dts: aspeed: rainier: Switch PSUs to unknown version
  arm64: dts: rockchip: Kill off "simple-panel" compatibles
  ARM: dts: rockchip: Kill off "simple-panel" compatibles
  arm64: dts: rockchip: rename dwmmc node names to mmc
  ARM: dts: rockchip: rename dwmmc node names to mmc
  arm64: dts: exynos: Rename Samsung and Exynos to lowercase
  arm64: dts: uniphier: add reset-names to NAND controller node
  ...
2020-02-08 13:58:44 -08:00
Linus Torvalds
469030d454 ARM: SoC platform updates
Most of these are smaller fixes that have accrued, and some continued
 cleanup of OMAP platforms towards shared frameworks.
 
 One new SoC from Atmel/Microchip: sam9x60.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC platform updates from Olof Johansson:
 "Most of these are smaller fixes that have accrued, and some continued
  cleanup of OMAP platforms towards shared frameworks.

  One new SoC from Atmel/Microchip: sam9x60"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits)
  ARM: OMAP2+: Fix undefined reference to omap_secure_init
  ARM: s3c64xx: Drop unneeded select of TIMER_OF
  ARM: exynos: Drop unneeded select of MIGHT_HAVE_CACHE_L2X0
  ARM: s3c24xx: Switch to atomic pwm API in rx1950
  ARM: OMAP2+: sleep43xx: Call secure suspend/resume handlers
  ARM: OMAP2+: Use ARM SMC Calling Convention when OP-TEE is available
  ARM: OMAP2+: Introduce check for OP-TEE in omap_secure_init()
  ARM: OMAP2+: Add omap_secure_init callback hook for secure initialization
  ARM: at91: Documentation: add sam9x60 product and datasheet
  ARM: at91: pm: use of_device_id array to find the proper shdwc node
  ARM: at91: pm: use SAM9X60 PMC's compatible
  ARM: imx: only select ARM_ERRATA_814220 for ARMv7-A
  ARM: zynq: use physical cpuid in zynq_slcr_cpu_stop/start
  ARM: tegra: Use clk_m CPU on Tegra124 LP1 resume
  ARM: tegra: Modify reshift divider during LP1
  ARM: tegra: Enable PLLP bypass during Tegra124 LP1
  ARM: samsung: Rename Samsung and Exynos to lowercase
  ARM: exynos: Correct the help text for platform Kconfig option
  ARM: bcm: Select ARM_AMBA for ARCH_BRCMSTB
  ARM: brcmstb: Add debug UART entry for 7216
  ...
2020-02-08 13:55:25 -08:00
Linus Torvalds
c9d35ee049 Merge branch 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs file system parameter updates from Al Viro:
 "Saner fs_parser.c guts and data structures. The system-wide registry
  of syntax types (string/enum/int32/oct32/.../etc.) is gone and so is
  the horror switch() in fs_parse() that would have to grow another case
  every time something got added to that system-wide registry.

  New syntax types can be added by filesystems easily now, and their
  namespace is that of functions - not of system-wide enum members. IOW,
  they can be shared or kept private and if some turn out to be widely
  useful, we can make them common library helpers, etc., without having
  to do anything whatsoever to fs_parse() itself.

  And we already get that kind of requests - the thing that finally
  pushed me into doing that was "oh, and let's add one for timeouts -
  things like 15s or 2h". If some filesystem really wants that, let them
  do it. Without somebody having to play gatekeeper for the variants
  blessed by direct support in fs_parse(), TYVM.

  Quite a bit of boilerplate is gone. And IMO the data structures make a
  lot more sense now. -200LoC, while we are at it"

* 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (25 commits)
  tmpfs: switch to use of invalfc()
  cgroup1: switch to use of errorfc() et.al.
  procfs: switch to use of invalfc()
  hugetlbfs: switch to use of invalfc()
  cramfs: switch to use of errofc() et.al.
  gfs2: switch to use of errorfc() et.al.
  fuse: switch to use errorfc() et.al.
  ceph: use errorfc() and friends instead of spelling the prefix out
  prefix-handling analogues of errorf() and friends
  turn fs_param_is_... into functions
  fs_parse: handle optional arguments sanely
  fs_parse: fold fs_parameter_desc/fs_parameter_spec
  fs_parser: remove fs_parameter_description name field
  add prefix to fs_context->log
  ceph_parse_param(), ceph_parse_mon_ips(): switch to passing fc_log
  new primitive: __fs_parse()
  switch rbd and libceph to p_log-based primitives
  struct p_log, variants of warnf() et.al. taking that one instead
  teach logfc() to handle prefices, give it saner calling conventions
  get rid of cg_invalf()
  ...
2020-02-08 13:26:41 -08:00
Linus Torvalds
f757165705 fuse fixes for 5.6-rc1
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Merge tag 'fuse-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

Pull fuse fixes from Miklos Szeredi:

 - Fix a regression introduced in v5.1 that triggers WARNINGs for some
   fuse filesystems

 - Fix an xfstest failure

 - Allow overlayfs to be used on top of fuse/virtiofs

 - Code and documentation cleanups

* tag 'fuse-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: use true,false for bool variable
  Documentation: filesystems: convert fuse to RST
  fuse: Support RENAME_WHITEOUT flag
  fuse: don't overflow LLONG_MAX with end offset
  fix up iter on short count in fuse_direct_io()
2020-02-07 17:59:07 -08:00
Linus Torvalds
41dcd67e88 A handful of small documentation fixes that wandered in.
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Merge tag 'docs-5.6-2' of git://git.lwn.net/linux

Pull Documentation fixes from Jonathan Corbet:
 "A handful of small documentation fixes that wandered in"

* tag 'docs-5.6-2' of git://git.lwn.net/linux:
  Allow git builds of Sphinx
  Documentation: changes.rst: update several outdated project URLs
  Documentation: build warnings related to missing blank lines after explicit markups has been fixed
  mailmap: add entry for Tiezhu Yang
  Documentation/ko_KR/howto: Update a broken link
  Documentation/ko_KR/howto: Update broken web addresses
  docs/locking: Fix outdated section names
2020-02-07 13:03:10 -08:00
Linus Torvalds
11777ee8b0 Merge branch 'i2c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "i2c core:

   - huge improvements and refactorizations of the Linux I2C
     documentation (lots of thanks to Luca for doing it and Jean for the
     careful review)

   - subsystem wide API conversion to i2c_new_client_device()

   - remove obsolete parport-light driver

   - smaller core updates (removal of 'extern', enabling more compile
     testing, use more helper macros)

   - and quite a bunch of driver updates (new IDs, simplifications,
     better PM, support of atomic transfers and other improvements)

  i2c-mux:

   - The main feature is the idle-state rework of the pca954x driver
     from Biwen Li

  at24 driver:

   - minor maintenance: update the license tag, sort headers

   - move support for the write-protect pin into nvmem core

   - add a reference to the new wp-gpios property in nvmem to at25
     bindings

   - add support for regulator and pm_runtime control"

* 'i2c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (91 commits)
  i2c: cros-ec-tunnel: Fix ACPI identifier
  i2c: cros-ec-tunnel: Fix slave device enumeration
  i2c: stm32f7: add PM_SLEEP suspend/resume support
  i2c: cadence: Fix wording in i2c-cadence driver
  i2c: cadence: Fix power management order of operations
  i2c: cadence: Fix error printing in case of defer
  i2c: cadence: Handle transfer_size rollover
  i2c: i801: Add support for Intel Comet Lake PCH-V
  docs: i2c: writing-clients: properly name the stop condition
  docs: i2c: i2c-protocol: use same wording as smbus-protocol
  docs: i2c: rename sections so the overall picture is clearer
  docs: i2c: old-module-parameters: use monospace instead of ""
  docs: i2c: old-module-parameters: clarify this is for obsolete kernels
  docs: i2c: old-module-parameters: fix internal hyperlink
  docs: i2c: instantiating-devices: use monospace for sysfs attributes
  docs: i2c: instantiating-devices: rearrange static instatiation
  docs: i2c: instantiating-devices: fix internal hyperlink
  docs: i2c: smbus-protocol: improve I2C Block transactions description
  docs: i2c: smbus-protocol: fix punctuation
  docs: i2c: smbus-protocol: fix typo
  ...
2020-02-07 12:54:13 -08:00