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2020-10-30docs: ABI: sysfs-bus-nvdimm: use the right format for ABIMauro Carvalho Chehab1-0/+6
This ABI is not following the format described at ABI/README. Use it, filling in the blanks with the git log that added it, and using the current e-mail from Dan. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9ec379cbf6dcf65ce3039c3671baf7bcaea532f4.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: vdso: use the right format for ABIMauro Carvalho Chehab1-0/+6
This ABI is not following the format described at ABI/README. Use it, filling in the blanks with the git log that added it, and using the current e-mail from Andy. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/28c7cf3a71e15fb7499b70ec8f38c2efaaf4add2.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: fix syntax to be parsed using ReST notationMauro Carvalho Chehab17-161/+271
There are a number of new changes at the ABI files that cause them to produce warnings when generating ABI output. Fix them. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/55a89f423cf122982c462d257722e44d6ece4b36.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: convert testing/configfs-acpi to ReSTMauro Carvalho Chehab1-9/+25
There are some problems with this file when a ReST content is produced. Fix it. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f56daf94b80f1051438e8c787ba04552adb66e67.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: Kconfig/Makefile: add a check for broken ABI filesMauro Carvalho Chehab2-0/+15
The files under Documentation/ABI should follow the syntax as defined at Documentation/ABI/README. Allow checking if they're following the syntax by running the ABI parser script on COMPILE_TEST. With that, when there's a problem with a file under Documentation/ABI, it would produce a warning like: Warning: file ./Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats#14: What '/sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_cor' doesn't have a description Warning: file ./Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats#21: What '/sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_fatal' doesn't have a description Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/57a38de85cb4b548857207cf1fc1bf1ee08613c9.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: abi-testing.rst: enable --rst-sources when building docsMauro Carvalho Chehab1-0/+1
Now that ABI/testing documents were fixed, add --rst-sources to the ABI/testing too. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9242473fd3df785565bb6084b1b814cc15074fb2.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: don't escape ReST-incompatible chars from obsolete and removedMauro Carvalho Chehab3-0/+4
With just a single fix, the contents there can be parsed properly without the need to escape any ReST incompatible stuff. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/472f4574b6aa2ff4de5a819db1a4a5c9a34f5168.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: create a 2-depth index for ABIMauro Carvalho Chehab1-1/+1
That helps to identify what ABI files are adding titles. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/e267b36ae7f32bab2a86f1da6b40bb3e62c877d4.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: make it parse ABI/stable as ReST-compatible filesMauro Carvalho Chehab2-2/+7
Now that the stable ABI files are compatible with ReST, parse them without converting complex descriptions as literal blocks nor escaping special characters. Please notice that escaping special characters will probably be needed at descriptions, at least for the asterisk character. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/59ccbaa75ff05f23e701dd9a0bbe118e9343a553.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: sysfs-uevent: make it compatible with ReST outputMauro Carvalho Chehab1-12/+16
- Replace " by ``, in order to use monospaced fonts; - mark literal blocks as such. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/63904cc9b6a8581c5fc2ea1dca5d925874c67372.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: testing: make the files compatible with ReST outputMauro Carvalho Chehab74-849/+1306
Some files over there won't parse well by Sphinx. Fix them. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for IIO Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/58cf3c2d611e0197fb215652719ebd82ca2658db.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: stable: make files ReST compatibleMauro Carvalho Chehab16-100/+176
Several entries at the stable ABI files won't parse if we pass them directly to the ReST output. Adjust them, in order to allow adding their contents as-is at the stable ABI book. Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/467a0dfbcdf00db710a629d3fe4a2563750339d8.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: README: specify that files should be ReST compatibleMauro Carvalho Chehab1-1/+9
As we plan to remove the escaping code from the scripts/get_abi.pl, specify at the ABI README file that the content of the file should be ReST compatible. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/178a997070debd1953ba7d302c375948501d6193.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: add ABI documentation to the admin-guide bookMauro Carvalho Chehab7-1/+61
As we don't want a generic Sphinx extension to execute commands, change the one proposed to Markus to call the abi_book.pl script. Use a script to parse the Documentation/ABI directory and output it at the admin-guide. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5651482b06500e69a1acdf92152f90a203e6521d.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: Handle with a lazy Sphinx parserMauro Carvalho Chehab1-13/+26
The Sphinx docutils parser is lazy: if the content is bigger than a certain number of lines, it silenlty stops parsing it, producing an incomplete content. This seems to be worse on newer Sphinx versions, like 2.0. So, change the logic to parse the contents per input file. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4659b60795739308e34d2d00c57ee0742a9cd2ab.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: use --enable-lineno for get_abi.plMauro Carvalho Chehab1-4/+14
Just like kernel-doc extension, we need to be able to identify what part of an imported document has issues, as reporting them as: get_abi.pl rest --dir $srctree/Documentation/ABI/obsolete --rst-source:1689: ERROR: Unexpected indentation. Makes a lot harder for someone to fix. It should be noticed that it the line which will be reported is the line where the "What:" definition is, and not the line with actually has an error. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/d6155ab16fb7631f2fa8e7a770eae72f24bf7cc5.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: make it compatible with Sphinx 1.7+Mauro Carvalho Chehab1-12/+27
The same way kerneldoc.py needed changes to work with newer Sphinx, this script needs the same changes. While here, reorganize the include order to match kerneldoc.py. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f2b25caef5db7738629773a03463908d3b39b83a.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: fix UTF-8 supportMauro Carvalho Chehab1-12/+7
The parser breaks with UTF-8 characters with Sphinx 1.4. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9e7c8e3b0efaa1ae0536da6493ab438bd3f9fe58.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: add a script to parse ABI documentationMauro Carvalho Chehab1-0/+157
The ABI documentation is special: it is not plain text files, but, instead, files with an strict format, as specified by Documentation/ABI/README. Add a parser for it. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/48abf1a410237e63f85354a8cd7027fdf25657bf.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernellog.py: add support for info()Mauro Carvalho Chehab1-1/+5
An extension may want to just inform about something. So, add support for it. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/0ddebd8677605d789d53433c8a5344c68da82a73.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30dmaengine: idxd: Add ABI documentation for shared wqDave Jiang1-0/+14
Add the sysfs attribute bits in ABI/stable for shared wq support. Signed-off-by: Jing Lin <jing.lin@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Link: https://lore.kernel.org/r/160382008649.3911367.10851752182908509837.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-10-30dt-bindings: dmaengine: at_xdmac: add compatible with microchip,sama7g5Eugen Hristev1-1/+2
Add compatible to sama7g5 SoC. Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20201016081754.288488-1-eugen.hristev@microchip.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-10-30debugfs: remove return value of debugfs_create_devm_seqfile()Greg Kroah-Hartman1-1/+1
No one checks the return value of debugfs_create_devm_seqfile(), as it's not needed, so make the return value void, so that no one tries to do so in the future. Link: https://lore.kernel.org/r/20201023131037.2500765-1-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30dt-bindings: arm: fsl: document i.MX7D boardsKrzysztof Kozlowski1-0/+18
Document and adjust the compatibles for i.MX7D based boards. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX6ULL boardsKrzysztof Kozlowski1-2/+6
Document and adjust the compatibles for i.MX6ULL based boards. The Armadeus boards use multiple compatibles. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX6UL boardsKrzysztof Kozlowski1-2/+23
Document and adjust the compatibles for i.MX6UL based boards. The Armadeus boards use multiple compatibles. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX6SX boardsKrzysztof Kozlowski1-0/+5
Document and adjust the compatibles for i.MX6SX based boards. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX6SL boardsKrzysztof Kozlowski1-0/+1
Document and adjust the compatibles for i.MX6SL based boards. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX6QP boardsKrzysztof Kozlowski1-0/+5
Document and adjust the compatibles for i.MX6QP based boards. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX6Q boardsKrzysztof Kozlowski1-6/+77
Document and adjust the compatibles for i.MX6Q based boards. The Toradex and the Armadeus boards use multiple compatibles. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: vendor-prefixes: add Element14Krzysztof Kozlowski1-0/+2
Document the binding for the Element14, a Premier Farnell company. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: Add Kontron i.MX8M Mini SoMs and boardsFrieder Schrempf1-0/+7
Add entries for the SoMs and boards based on i.MX8MM from Kontron Electronics GmbH. Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX6DL Aristainetos boardsKrzysztof Kozlowski1-0/+4
Document and adjust the compatibles for i.MX6DL based Aristainetos boards from ABB. Cc: Heiko Schocher <hs@denx.de> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Heiko Schocher <hs@denx.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: vendor-prefixes: add ABBKrzysztof Kozlowski1-0/+2
Document binding for ABB. Cc: Heiko Schocher <hs@denx.de> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Heiko Schocher <hs@denx.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX6DL boardsKrzysztof Kozlowski1-6/+43
Document and adjust the compatibles for i.MX6DL based boards. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document VF boardsKrzysztof Kozlowski1-4/+20
Document and adjust the compatibles for VF500 and VF600 based boards. The Toradex Colibri Evaluation Boards use multiple compatibles. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX53 boardsKrzysztof Kozlowski1-0/+19
Document and adjust the compatibles for i.MX53 based boards. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: arm: fsl: document i.MX51 boardsKrzysztof Kozlowski1-3/+23
Document and adjust the compatibles for i.MX51 based boards. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: vendor-prefixes: add RevoticsKrzysztof Kozlowski1-0/+2
Document vendor prefix for Revotics (Revolution Robotics, Inc.). Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: vendor-prefixes: add MicroSysKrzysztof Kozlowski1-0/+2
Document vendor prefix for MicroSys Electronics GmbH. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30dt-bindings: watchdog: fsl-imx: document NXP compatiblesKrzysztof Kozlowski1-0/+16
Document all ARMv5, ARMv6, ARMv7 and ARMv8 NXP (i.MX, Layerscape) compatibles used in DTSes (even though driver binds only to fsl,imx21-wdt) to fix dtbs_check warnings like: arch/arm/boot/dts/imx53-qsb.dt.yaml: gpio@53fe0000: compatible: ['fsl,imx53-gpio', 'fsl,imx35-gpio'] is not valid under any of the given schemas Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-29wimax: move out to stagingArnd Bergmann6-414/+0
There are no known users of this driver as of October 2020, and it will be removed unless someone turns out to still need it in future releases. According to https://en.wikipedia.org/wiki/List_of_WiMAX_networks, there have been many public wimax networks, but it appears that many of these have migrated to LTE or discontinued their service altogether. As most PCs and phones lack WiMAX hardware support, the remaining networks tend to use standalone routers. These almost certainly run Linux, but not a modern kernel or the mainline wimax driver stack. NetworkManager appears to have dropped userspace support in 2015 https://bugzilla.gnome.org/show_bug.cgi?id=747846, the www.linuxwimax.org site had already shut down earlier. WiMax is apparently still being deployed on airport campus networks ("AeroMACS"), but in a frequency band that was not supported by the old Intel 2400m (used in Sandy Bridge laptops and earlier), which is the only driver using the kernel's wimax stack. Move all files into drivers/staging/wimax, including the uapi header files and documentation, to make it easier to remove it when it gets to that. Only minimal changes are made to the source files, in order to make it possible to port patches across the move. Also remove the MAINTAINERS entry that refers to a broken mailing list and website. Acked-by: Jakub Kicinski <kuba@kernel.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-By: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Suggested-by: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-10-29ASoC: qcom: dt-bindings: sm8250: update compatiblesSrinivas Kandagatla1-5/+3
Update compatible string as board compatible and device compatible should not be same!. New compatible is now suffixed with -sndcard to be inline with other Qualcomm Sound cards. This also fixes the warnings/error reported by dt_binding_check. Fixes: 765c37598494 ("ASoC: qcom: dt-bindings: Add SM8250 sound card bindings") Reported-by: Rob Herring <robh@kernel.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20201029101550.31695-1-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
2020-10-29dt-bindings: arm: fsl: document i.MX25 and i.MX27 boardsKrzysztof Kozlowski1-2/+43
Document and adjust the compatibles for i.MX25 and i.MX27 based boards to fix dtbs_check warnings like: arch/arm/boot/dts/imx27-apf27dev.dt.yaml: /: compatible: ['armadeus,imx27-apf27dev', 'armadeus,imx27-apf27', 'fsl,imx27'] is not valid under any of the given schemas Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-29arm64: Add workaround for Arm Cortex-A77 erratum 1508412Rob Herring1-0/+2
On Cortex-A77 r0p0 and r1p0, a sequence of a non-cacheable or device load and a store exclusive or PAR_EL1 read can cause a deadlock. The workaround requires a DMB SY before and after a PAR_EL1 register read. In addition, it's possible an interrupt (doing a device read) or KVM guest exit could be taken between the DMB and PAR read, so we also need a DMB before returning from interrupt and before returning to a guest. A deadlock is still possible with the workaround as KVM guests must also have the workaround. IOW, a malicious guest can deadlock an affected systems. This workaround also depends on a firmware counterpart to enable the h/w to insert DMB SY after load and store exclusive instructions. See the errata document SDEN-1152370 v10 [1] for more information. [1] https://static.docs.arm.com/101992/0010/Arm_Cortex_A77_MP074_Software_Developer_Errata_Notice_v10.pdf Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Marc Zyngier <maz@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: James Morse <james.morse@arm.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Julien Thierry <julien.thierry.kdev@gmail.com> Cc: kvmarm@lists.cs.columbia.edu Link: https://lore.kernel.org/r/20201028182839.166037-2-robh@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
2020-10-28misc: mic: remove the MIC driversSudeep Dutt3-209/+0
This patch removes the MIC drivers from the kernel tree since the corresponding devices have been discontinued. Removing the dma and char-misc changes in one patch and merging via the char-misc tree is best to avoid any potential build breakage. Cc: Nikhil Rao <nikhil.rao@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com> Acked-By: Vinod Koul <vkoul@kernel.org> Reviewed-by: Sherry Sun <sherry.sun@nxp.com> Link: https://lore.kernel.org/r/8c1443136563de34699d2c084df478181c205db4.1603854416.git.sudeep.dutt@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-28x86/kvm: Reserve KVM_FEATURE_MSI_EXT_DEST_IDDavid Woodhouse1-0/+4
No functional change; just reserve the feature bit for now so that VMMs can start to implement it. This will allow the host to indicate that MSI emulation supports 15-bit destination IDs, allowing up to 32768 CPUs without interrupt remapping. cf. https://patchwork.kernel.org/patch/11816693/ for qemu Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <4cd59bed05f4b7410d3d1ffd1e997ab53683874d.camel@infradead.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-28arm64: mte: Document that user PSTATE.TCO is ignored by kernel uaccessCatalin Marinas1-1/+3
On exception entry, the kernel explicitly resets the PSTATE.TCO (tag check override) so that any kernel memory accesses will be checked (the bit is restored on exception return). This has the side-effect that the uaccess routines will not honour the PSTATE.TCO that may have been set by the user prior to a syscall. There is no issue in practice since PSTATE.TCO is expected to be used only for brief periods in specific routines (e.g. garbage collection). To control the tag checking mode of the uaccess routines, the user will have to invoke a corresponding prctl() call. Document the kernel behaviour w.r.t. PSTATE.TCO accordingly. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Fixes: df9d7a22dd21 ("arm64: mte: Add Memory Tagging Extension documentation") Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Szabolcs Nagy <szabolcs.nagy@arm.com> Signed-off-by: Will Deacon <will@kernel.org>
2020-10-28docs: SafeSetID: fix a warningMauro Carvalho Chehab1-1/+1
As reported by Sphinx 2.4.4: docs/Documentation/admin-guide/LSM/SafeSetID.rst:110: WARNING: Title underline too short. Note on GID policies and setgroups() ================== Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4afa281c170daabd1ce522653d5d5d5078ebd92c.1603791716.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-28gpu: docs: amdgpu.rst: get rid of wrong kernel-doc markupsMauro Carvalho Chehab1-7/+0
As reported by kernel-doc: ./drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:1: warning: no structured comments found ./drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1: warning: no structured comments found Those files only contain /** * DOC: */ markups, but they're included twice there: one to parse such markup, and another one to parse internal functions. In the case of amdgpu_xgmi.c, as it has just one such markup, we can simply include the file once, and let it parse the entire file without passing arguments to kernel-doc. This should place everything altogether. For amdgpu_ras.c, however, we need to remove the kernel-doc with just internal. This should be re-introduced if this file ever gets new non-DOC markups. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/bd070923591ae54f9587e7407b6291ac116952b2.1603791716.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>