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2024-09-05dt: dt-extract-compatibles: Extract compatibles from function parametersRob Herring (Arm)
Various DT and fwnode functions take a compatible string as a parameter. These are often used in cases which don't have a driver, so they've been missed. The additional checks add about 400 more undocumented compatible strings. Link: https://lore.kernel.org/all/20240903200753.2097911-1-robh@kernel.org/ Acked-by: Saravana Kannan <saravanak@google.com> Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2024-08-15scripts/dtc: Update to upstream version v1.7.0-95-gbcd02b523429Rob Herring (Arm)
Some pending overlay additions need the graph check fix. This adds the following commits from upstream: bcd02b523429 fdtoverlay: remove wrong singular article in a comment 84b056a89d3c checks: relax graph checks for overlays Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2024-07-17Merge tag 'devicetree-for-6.11' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: "DT Bindings: - Convert and add a bunch of IBM FSI related bindings - Add a new schema listing legacy compatibles which will (probably) never be documented. This will silence various checks warning about them. - Add bindings for Sierra Wireless mangOH Green SPI IoT interface, new Arm 2024 Cortex and Neoverse CPUs, QCom sc8180x PDC, QCom SDX75 GPI DMA, imx8mp/imx8qxp fsl,irqsteer, and Renesas RZ/G2UL CRU and CSI-2 blocks - Convert Spreadtrum sprd-timer, FSL cpm_qe, FSL fsl,ls-scfg-msi, FSL q(b)man-*, FSL qoriq-mc, and img,pdc-wdt bindings to DT schema - Drop obsolete stericsson,abx500.txt DT core: - Update dtc to upstream version v1.7.0-93-g1df7b047fe43 - Add support to run DT validation on DTs with applied overlays - Add helper for creating boolean properties in dynamic nodes and use that for dynamic PCI nodes - Clean-up early parsing of '#{address,size}-cells'" * tag 'devicetree-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (39 commits) dt-bindings: timer: sprd-timer: convert to YAML dt-bindings: incomplete-devices: document devices without bindings dt-bindings: trivial-devices: document the Sierra Wireless mangOH Green SPI IoT interface scripts/dtc: Update to upstream version v1.7.0-93-g1df7b047fe43 dt-bindings: soc: fsl: Add fsl,ls1028a-reset for reset syscon node dt-bindings: soc: fsl: cpm_qe: convert to yaml format dt-bindings: i2c: i2c-fsi: Convert to json-schema dt-bindings: fsi: Document the FSI Hub Controller dt-bindings: fsi: Document the AST2700 FSI controller dt-bindings: fsi: ast2600-fsi-master: Convert to json-schema dt-bindings: fsi: ibm,i2cr-fsi-master: Reference common FSI controller dt-bindings: fsi: Document the FSI controller common properties dt-bindings: fsi: Document the IBM SBEFIFO engine dt-bindings: fsi: p9-occ: Convert to json-schema dt-bindings: fsi: Document the IBM SCOM engine dt-bindings: fsi: fsi2spi: Document SPI controller child nodes dt-bindings: interrupt-controller: convert fsl,ls-scfg-msi to yaml dt-bindings: soc: fsl: Convert q(b)man-* to yaml format dt-bindings: misc: fsl,qoriq-mc: convert to yaml format dt-bindings: drop stale Anson Huang from maintainers ...
2024-07-09scripts/dtc: Update to upstream version v1.7.0-93-g1df7b047fe43Rob Herring (Arm)
This adds the following commits from upstream: 1df7b047fe43 pylibfdt/Makefile.pylibfdt: use project's flags to compile the extension 61e88fdcec52 libfdt: overlay: Fix phandle overwrite check for new subtrees 49d30894466e meson: fix installation with meson-python d54aaf93673c pylibfdt: clean up python build directory ab86f1e9fda8 pylibfdt: add VERSION.txt to Python sdist 7b8a30eceabe pylibfdt: fix Python version ff4f17eb5865 pylibfdt/Makefile.pylibfdt: fix Python library being rebuild during install 9e313b14e684 pylibfdt/meson.build: fix Python library being rebuilt during install d598fc3648ec tests/run_tests.sh: fix Meson library path being dropped b98239da2f18 tests/meson.build: fix python and yaml tests not running c17d76ab5e84 checks: Check the overall length of "interrupt-map" ae26223a056e libfdt: overlay: Refactor overlay_fixup_phandle 4dd831affd01 libfdt: tests: Update test case for overlay_bad_fixup e6d294200837 tests: Remove two_roots and named_root from LIBTREE_TESTS_L and add all dtb filenames generated by dumptrees to TESTS_TREES_L in Makefile.tests 855c934e26ae tests: fix tests broken under Meson 4fd3f4f0a95d github: enforce testing pylibfdt and yaml support 9ca7d62dbf0b meson: split run-tests by type bb51223083a4 meson: fix dependencies of tests e81900635c95 meson: fix pylibfdt missing dependency on libfdt 822123856980 pylibfdt: fix get_mem_rsv for newer Python versions 1fad065080e6 libfdt: overlay: ensure that existing phandles are not overwritten b0aacd0a7735 github: add windows/msys CI build ae97d9745862 github: Don't accidentally suppress test errors 057a7dbbb777 github: Display meson test logs on failure 92b5d4e91678 pylibfdt: Remove some apparently deprecated options from setup.py 417e3299dbd1 github: Update to newer checkout action 5e6cefa17e2d fix MinGW format attribute 24f60011fd43 libfdt: Simplify adjustment of values for local fixups da39ee0e68b6 libfdt: rework shared/static libraries a669223f7a60 Makefile: do not hardcode the `install` program path 3fbfdd08afd2 libfdt: fix duplicate meson target dcef5f834ea3 tests: use correct pkg-config when cross compiling 0b8026ff254f meson: allow building from shallow clones 95c74d71f090 treesource: Restore string list output when no type markers 2283dd78eff5 libfdt: fdt_path_offset_namelen: Reject empty path 79b9e326a162 libfdt: fdt_get_alias_namelen: Validate aliases 52157f13ef3d pylibfdt: Support boolean properties d77433727566 dtc: fix missing string in usage_opts_help ad8bf9f9aa39 libfdt: Fix fdt_appendprop_addrrange documentation 6c5e189fb952 github: add workflow for Meson builds a3dc9f006a78 libfdt: rename libfdt-X.Y.Z.so to libfdt.so.X.Y.Z 35019949c4c7 workflows: build: remove setuptools_scm hack cd3e2304f4a9 pylibfdt: use fallback version in tarballs 0f5864567745 move release version into VERSION.txt 38165954c13b libfdt: add missing version symbols 5e98b5979354 editorconfig: use tab indentation for version.lds d030a893be25 tests: generate dtbs in Meson build directory 8d8372b13706 tests: fix use of deprecated meson methods 761114effaf7 pylibtfdt: fix use of deprecated meson method bf6377a98d97 meson: set minimum Meson version to 0.56.0 4c68e4b16b22 libfdt: fix library version to match project version bdc5c8793a13 meson: allow disabling tests f088e381f29e Makefile: allow to install libfdt without building executables 6df5328a902c Fix use of <ctype.h> functions ccf1f62d59ad libfdt: Fix a typo in libfdt.h 71a8b8ef0adf libfdt: meson: Fix linking on macOS linker 589d8c7653c7 dtc: Add an option to generate __local_fixups__ and __fixups__ e8364666d5ac CI: Add build matrix with multiple Linux distributions 3b02a94b486f dtc: Correct invalid dts output with mixed phandles and integers d4888958d64b tests: Add additional tests for device graph checks ea3b9a1d2c5a checks: Fix crash in graph_child_address if 'reg' cell size != 1 b2b9671583e9 livetree: fix off-by-one in propval_cell_n() bounds check ab481e483061 Add definition for a GitHub Actions CI job c88038c9b8ca Drop obsolete/broken CI definitions 0ac8b30ba5a1 yaml: Depend on libyaml >= 0.2.3 f1657b2fb5be tests: Add test cases for bad endpoint node and remote-endpoint prop checks 44bb89cafd3d checks: Fix segmentation fault in check_graph_node 60bcf1cde1a8 improve documentation for fdt_path_offset() a6f997bc77d4 add fdt_get_symbol() and fdt_get_symbol_namelen() functions 18f5ec12a10e use fdt_path_getprop_namelen() in fdt_get_alias_namelen() df093279282c add fdt_path_getprop_namelen() helper 129bb4b78bc6 doc: dt-object-internal: Fix a typo 390f481521c3 fdtoverlay: Drop a a repeated article 9f8b382ed45e manual: Fix and improve documentation about -@ 2cdf93a6d402 fdtoverlay: Fix usage string to not mention "<type>" 72fc810c3025 build-sys: add -Wwrite-strings 083ab26da83b tests: fix leaks spotted by ASAN 6f8b28f49609 livetree: fix leak spotted by ASAN fd68bb8c5658 Make name_node() xstrdup its name argument 4718189c4ca8 Delay xstrdup() of node and property names coming from a flat tree 0b842c3c8199 Make build_property() xstrdup its name argument 9cceabea1ee0 checks: correct I2C 10-bit address check 0d56145938fe yamltree.c: fix -Werror=discarded-qualifiers & -Werror=cast-qual 61fa22b05f69 checks: make check.data const 7a1d72a788e0 checks.c: fix check_msg() leak ee5799938697 checks.c: fix heap-buffer-overflow 44c9b73801c1 tests: fix -Wwrite-strings 5b60f5104fcc srcpos.c: fix -Wwrite-strings 32174a66efa4 meson: Fix cell overflow tests when running from meson 64a907f08b9b meson.build: bump version to 1.7.0 e3cde0613bfd Add -Wsuggest-attribute=format warning, correct warnings thus generated 41821821101a Use #ifdef NO_VALGRIND 71c19f20b3ef Do not redefine _GNU_SOURCE if already set 039a99414e77 Bump version to v1.7.0 9b62ec84bb2d Merge remote-tracking branch 'gitlab/main' 3f29d6d85c24 pylibfdt: add size_hint parameter for get_path 2022bb10879d checks: Update #{size,address}-cells check for 'dma-ranges' Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2024-05-30dt-bindings: kbuild: Fix dt_binding_check on unconfigured buildRob Herring (Arm)
The 'dt_binding_check' target shouldn't depend on the kernel configuration, but it has since commit 604a57ba9781 ("dt-bindings: kbuild: Add separate target/dependency for processed-schema.json"). That is because CHECK_DT_BINDING make variable was dropped, but scripts/dtc/Makefile was missed. The CHECK_DTBS variable can be used instead. Reported-by: Francesco Dolcini <francesco.dolcini@toradex.com> Fixes: 604a57ba9781 ("dt-bindings: kbuild: Add separate target/dependency for processed-schema.json") Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-05-10kbuild: use $(src) instead of $(srctree)/$(src) for source directoryMasahiro Yamada
Kbuild conventionally uses $(obj)/ for generated files, and $(src)/ for checked-in source files. It is merely a convention without any functional difference. In fact, $(obj) and $(src) are exactly the same, as defined in scripts/Makefile.build: src := $(obj) When the kernel is built in a separate output directory, $(src) does not accurately reflect the source directory location. While Kbuild resolves this discrepancy by specifying VPATH=$(srctree) to search for source files, it does not cover all cases. For example, when adding a header search path for local headers, -I$(srctree)/$(src) is typically passed to the compiler. This introduces inconsistency between upstream and downstream Makefiles because $(src) is used instead of $(srctree)/$(src) for the latter. To address this inconsistency, this commit changes the semantics of $(src) so that it always points to the directory in the source tree. Going forward, the variables used in Makefiles will have the following meanings: $(obj) - directory in the object tree $(src) - directory in the source tree (changed by this commit) $(objtree) - the top of the kernel object tree $(srctree) - the top of the kernel source tree Consequently, $(srctree)/$(src) in upstream Makefiles need to be replaced with $(src). Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2023-11-09dt: dt-extract-compatibles: Don't follow symlinks when walking treeNícolas F. R. A. Prado
The iglob function, which we use to find C source files in the kernel tree, always follows symbolic links. This can cause unintentional recursions whenever a symbolic link points to a parent directory. A common scenario is building the kernel with the output set to a directory inside the kernel tree, which will contain such a symlink. Instead of using the iglob function, use os.walk to traverse the directory tree, which by default doesn't follow symbolic links. fnmatch is then used to match the glob on the filename, as well as ignore hidden files (which were ignored by default with iglob). This approach runs just as fast as using iglob. Fixes: b6acf8073517 ("dt: Add a check for undocumented compatible strings in kernel") Reported-by: Aishwarya TCV <aishwarya.tcv@arm.com> Closes: https://lore.kernel.org/all/e90cb52f-d55b-d3ba-3933-6cc7b43fcfbc@arm.com Signed-off-by: "Nícolas F. R. A. Prado" <nfraprado@collabora.com> Link: https://lore.kernel.org/r/20231107225624.9811-1-nfraprado@collabora.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-09-20dt: dt-extract-compatibles: Add flag for driver matching compatiblesNícolas F. R. A. Prado
Add a new flag, '--driver-match', to the dt-extract-compatibles script that causes it to only print out compatibles that are expected to match a driver. This output can then be used by tests to detect device probe failures. In order to filter the compatibles down to only ones that will match to a driver, the following is considered: - A compatible needs to show up in a driver's of_match_table for it to be matched to a driver - Compatibles that are used in both of_match_table and OF_DECLARE type macros can't be expected to match to a driver and so are ignored. One exception is CLK_OF_DECLARE_DRIVER, since it indicates that a driver will also later probe, so compatibles in this macro are not ignored. Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Link: https://lore.kernel.org/r/20230828211424.2964562-3-nfraprado@collabora.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-09-20dt: dt-extract-compatibles: Handle cfile arguments in generator functionNícolas F. R. A. Prado
Move the handling of the cfile arguments to a separate generator function to avoid redundancy. Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Link: https://lore.kernel.org/r/20230828211424.2964562-2-nfraprado@collabora.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-08-17dt: dt-check-compatible: Find struct of_device_id instances with compiler ↵Rob Herring
annotations The regex search for declarations of struct of_device_id was missing cases that had a compiler annotation such as "__maybe_unused". Improve the regex to allow for these. Use '\S' instead of specific characters to shorten the regex. That also finds some more compatibles using '.' characters. Unfortunately, these changes add ~400 more compatibles without a schema. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230804190130.1936566-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-03-27dts: add riscv include prefix linkAndre Przywara
The Allwinner D1/D1s SoCs (with a RISC-V core) use an (almost?) identical die as their R528/T113-s siblings with ARM Cortex-A7 cores. To allow sharing the basic SoC .dtsi files across those two architectures as well, introduce a symlink to the RISC-V DT directory. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Acked-by: Palmer Dabbelt <palmer@rivosinc.com> Link: https://lore.kernel.org/r/20230320005249.13403-2-andre.przywara@arm.com Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
2023-02-17of: add processing of EXPECT_NOT to of_unittest_expectFrank Rowand
scripts/dtc/of_unittest_expect processes EXPECT messages that document expected kernel messages triggered by unittest. Add processing of EXPECT_NOT messages that document kernel messages triggered by unittest that are not expected. This is commit 2 of 2, implementing the processing of EXPECT_NOT messages. Signed-off-by: Frank Rowand <frowand.list@gmail.com> Link: https://lore.kernel.org/r/20230213185702.395776-3-frowand.list@gmail.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-17of: prepare to add processing of EXPECT_NOT to of_unittest_expectFrank Rowand
scripts/dtc/of_unittest_expect processes EXPECT messages that document expected kernel messages triggered by unittest. Add processing of EXPECT_NOT messages that document kernel messages triggered by unittest that are not expected. This is commit 1 of 2, renaming existing variables in anticipation of the changes needed to process EXPECT_NOT, so that commit 2 of 2 will be smaller and easier to read. This commit is not intended to make any functional changes. Signed-off-by: Frank Rowand <frowand.list@gmail.com> Link: https://lore.kernel.org/r/20230213185702.395776-2-frowand.list@gmail.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-06scripts/dtc: Update to upstream version v1.6.1-66-gabbd523bae6eRob Herring
This adds the following commits from upstream: abbd523bae6e pylibfdt: Work-around SWIG limitations with flexible arrays a41509bea3e7 libfdt: Replace deprecated 0-length arrays with proper flexible arrays 2cd89f862cdb dtc: Warning rather than error on possible truncation of cell values Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/all/20230203172430.474431-1-robh@kernel.org/ Signed-off-by: Rob Herring <robh@kernel.org>
2022-11-10scripts/dtc: Update to upstream version v1.6.1-63-g55778a03df61Rob Herring
It's been a while since the last sync and Lee needs commit 73590342fc85 ("libfdt: prevent integer overflow in fdt_next_tag"). This adds the following commits from upstream: 55778a03df61 libfdt: tests: add get_next_tag_invalid_prop_len 73590342fc85 libfdt: prevent integer overflow in fdt_next_tag 035fb90d5375 libfdt: add fdt_get_property_by_offset_w helper 98a07006c48d Makefile: fix infinite recursion by dropping non-existent `%.output` a036cc7b0c10 Makefile: limit make re-execution to avoid infinite spin c6e92108bcd9 libdtc: remove duplicate judgments e37c25677dc9 Don't generate erroneous fixups from reference to path 50454658f2b5 libfdt: Don't mask fdt_get_name() returned error e64a204196c9 manual.txt: Follow README.md and remove Jon f508c83fe6f0 Update README in MANIFEST.in and setup.py to README.md c2ccf8a77dd2 Add description of Signed-off-by lines 90b9d9de42ca Split out information for contributors to CONTRIBUTING.md 0ee1d479b23a Remove Jon Loeliger from maintainers list b33a73c62c1c Convert README to README.md 7ad60734b1c1 Allow static building with meson fd9b8c96c780 Allow static building with make fda71da26e7f libfdt: Handle failed get_name() on BEGIN_NODE c7c7f17a83d5 Fix test script to run also on dash shell 01f23ffe1679 Add missing relref_merge test to meson test list ed310803ea89 pylibfdt: add FdtRo.get_path() c001fc01a43e pylibfdt: fix swig build in install 26c54f840d23 tests: add test cases for label-relative path references ec7986e682cf dtc: introduce label relative path references 651410e54cb9 util: introduce xstrndup helper 4048aed12b81 setup.py: fix out of tree build ff5afb96d0c0 Handle integer overflow in check_property_phandle_args() ca7294434309 README: Explain how to add a new API function c0c2e115f82e Fix a UB when fdt_get_string return null cd5f69cbc0d4 tests: setprop_inplace: use xstrdup instead of unchecked strdup a04f69025003 pylibfdt: add Property.as_*int*_array() 83102717d7c4 pylibfdt: add Property.as_stringlist() d152126bb029 Fix Python crash on getprop deallocation 17739b7ef510 Support 'r' format for printing raw bytes with fdtget 45f3d1a095dd libfdt: overlay: make overlay_get_target() public c19a4bafa514 libfdt: fix an incorrect integer promotion 1cc41b1c969f pylibfdt: Add packaging metadata db72398cd437 README: Update pylibfdt install instructions 383e148b70a4 pylibfdt: fix with Python 3.10 23b56cb7e189 pylibfdt: Move setup.py to the top level 69a760747d8d pylibfdt: Split setup.py author name and email 0b106a77dbdc pylibfdt: Use setuptools_scm for the version c691776ddb26 pylibfdt: Use setuptools instead of distutils 5216f3f1bbb7 libfdt: Add static lib to meson build 4eda2590f481 CI: Cirrus: bump used FreeBSD from 12.1 to 13.0 Link: https://lore.kernel.org/r/20221101181427.1808703-1-robh@kernel.org/ Signed-off-by: Rob Herring <robh@kernel.org>
2022-09-27dt: Add a check for undocumented compatible strings in kernelRob Herring
Add a make target, dt_compatible_check, to extract compatible strings from kernel sources and check if they are documented by a schema. At least version v2022.08 of dtschema with dt-check-compatible is required. This check can also be run manually on specific files or directories: scripts/dtc/dt-extract-compatibles drivers/clk/ | \ xargs dt-check-compatible -v -s Documentation/devicetree/bindings/processed-schema.json Currently, there are about 3800 undocumented compatible strings. Most of these are cases where the binding is not yet converted (given there are 1900 .txt binding files remaining). Link: https://lore.kernel.org/all/20220916012510.2718170-1-robh@kernel.org/ Signed-off-by: Rob Herring <robh@kernel.org>
2022-05-20h8300: remove stale bindings and symlinkArnd Bergmann
These four files are left over from the h8300 removal. Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-03-26Merge tag 'devicetree-for-5.18' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: - Add Krzysztof Kozlowski as co-maintainer for DT bindings providing much needed help. - DT schema validation now takes DTB files as input rather than intermediate YAML files. This decouples the validation from the source level syntax information. There's a bunch of schema fixes as a result of switching to DTB based validation which exposed some errors and incomplete schemas and examples. - Kbuild improvements to explicitly warn users running 'make dt_binding_check' on missing yamllint - Expand DT_SCHEMA_FILES kbuild variable to take just a partial filename or path instead of the full path to 1 file. - Convert various bindings to schema format: mscc,vsc7514-switch, multiple GNSS bindings, ahci-platform, i2c-at91, multiple UFS bindings, cortina,gemini-sata-bridge, cortina,gemini-ethernet, Atmel SHA, Atmel TDES, Atmel AES, armv7m-systick, Samsung Exynos display subsystem, nuvoton,npcm7xx-timer, samsung,s3c2410-i2c, zynqmp_dma, msm/mdp4, rda,8810pl-uart - New schemas for u-boot environment variable partition, TI clksel - New compatible strings for Renesas RZ/V2L SoC - Vendor prefixes for Xen, HPE, deprecated Synopsys, deprecated HiSilicon - Add/fix schemas for QEMU Arm 'virt' machine - Drop unused of_alias_get_alias_list() function - Add a script to check DT unittest EXPECT message output. Pass messages also now print by default at PR_INFO level to help test automation. * tag 'devicetree-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (96 commits) dt-bindings: kbuild: Make DT_SCHEMA_LINT a recursive variable dt-bindings: nvmem: add U-Boot environment variables binding dt-bindings: ufs: qcom: Add SM6350 compatible string dt-bindings: dmaengine: sifive,fu540-c000: include generic schema dt-bindings: gpio: pca95xx: drop useless consumer example Revert "of: base: Introduce of_alias_get_alias_list() to check alias IDs" dt-bindings: virtio,mmio: Allow setting devices 'dma-coherent' dt-bindings: gnss: Add two more chips dt-bindings: gnss: Rewrite sirfstar binding in YAML dt-bindings: gnss: Modify u-blox to use common bindings dt-bindings: gnss: Rewrite common bindings in YAML dt-bindings: ata: ahci-platform: Add rk3568-dwc-ahci compatible dt-bindings: ata: ahci-platform: Add power-domains property dt-bindings: ata: ahci-platform: Convert DT bindings to yaml dt-bindings: kbuild: Use DTB files for validation dt-bindings: kbuild: Pass DT_SCHEMA_FILES to dt-validate dt-bindings: Add QEMU virt machine compatible dt-bindings: arm: Convert QEMU fw-cfg to DT schema dt-bindings: i2c: at91: Add SAMA7G5 compatible strings list dt-bindings: i2c: convert i2c-at91 to json-schema ...
2022-03-11dt-bindings: kbuild: Use DTB files for validationRob Herring
Switch the DT validation to use DTB files directly instead of a DTS to YAML conversion. The original motivation for supporting validation on DTB files was to enable running validation on a running system (e.g. 'dt-validate /sys/firmware/fdt') or other cases where the original source DTS is not available. The YAML format was not without issues. Using DTBs with the schema type information solves some of those problems. The YAML format relies on the DTS source level information including bracketing of properties, size directives, and phandle tags all of which are lost in a DTB file. While standardizing the bracketing is a good thing, it does cause a lot of extra warnings and churn to fix them. Another issue has been signed types are not validated correctly as sign information is not propagated to YAML. Using the schema type information allows for proper handling of signed types. YAML also can't represent the full range of 64-bit integers as numbers are stored as floats by most/all parsers. The DTB validation works by decoding property values using the type information in the schemas themselves. The main corner case this does not work for is matrix types where neither dimension is fixed. For now, checking the dimensions in these cases are skipped. Signed-off-by: Rob Herring <robh@kernel.org> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20220310160513.1708182-3-robh@kernel.org
2022-02-28of: unittest: add program to process EXPECT messagesFrank Rowand
If unittest detects a problem it will print a warning or error message to the console. Unittest also triggers warning and error messages from other kernel code as a result of intentionally bad unittest data. This has led to confusion as to whether the triggered messages are an expected result of a test or whether there is a real problem that is independent of unittest. EXPECT messages were added to unittest to report each triggered message that is expected, resulting in verbose console output. scripts/dtc/of_unittest is a new program that processes the EXPECT messages to determine whether the triggered messages occurred and also removes the excess verbosity of the EXPECT messages. More information is available from 'scripts/dtc/of_unittest_expect --help'. Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220201181413.2719955-1-frowand.list@gmail.com
2022-02-17treewide: Replace zero-length arrays with flexible-array membersGustavo A. R. Silva
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. This code was transformed with the help of Coccinelle: (next-20220214$ spatch --jobs $(getconf _NPROCESSORS_ONLN) --sp-file script.cocci --include-headers --dir . > output.patch) @@ identifier S, member, array; type T1, T2; @@ struct S { ... T1 member; T2 array[ - 0 ]; }; UAPI and wireless changes were intentionally excluded from this patch and will be sent out separately. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays Link: https://github.com/KSPP/linux/issues/78 Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2022-02-04scripts/dtc: Call pkg-config POSIXly correctThomas Bracht Laumann Jespersen
Running with POSIXLY_CORRECT=1 in the environment the scripts/dtc build fails, because pkg-config doesn't output anything when the flags come after the arguments. Fixes: 067c650c456e ("dtc: Use pkg-config to locate libyaml") Signed-off-by: Thomas Bracht Laumann Jespersen <t@laumann.xyz> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220131112028.7907-1-t@laumann.xyz
2022-01-17scripts/dtc: dtx_diff: remove broken example from help textMatthias Schiffer
dtx_diff suggests to use <(...) syntax to pipe two inputs into it, but this has never worked: The /proc/self/fds/... paths passed by the shell will fail the `[ -f "${dtx}" ] && [ -r "${dtx}" ]` check in compile_to_dts, but even with this check removed, the function cannot work: hexdump will eat up the DTB magic, making the subsequent dtc call fail, as a pipe cannot be rewound. Simply remove this broken example, as there is already an alternative one that works fine. Fixes: 10eadc253ddf ("dtc: create tool to diff device trees") Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com> Reviewed-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220113081918.10387-1-matthias.schiffer@ew.tq-group.com
2021-10-29scripts/dtc: Update to upstream version v1.6.1-19-g0a3a9d3449c8Rob Herring
This adds the following commits from upstream: 0a3a9d3449c8 checks: Add an interrupt-map check 8fd24744e361 checks: Ensure '#interrupt-cells' only exists in interrupt providers d8d1a9a77863 checks: Drop interrupt provider '#address-cells' check 52a16fd72824 checks: Make interrupt_provider check dependent on interrupts_extended_is_cell 37fd700685da treesource: Maintain phandle label/path on output e33ce1d6a8c7 flattree: Use '\n', not ';' to separate asm pseudo-ops d24cc189dca6 asm: Use assembler macros instead of cpp macros ff3a30c115ad asm: Use .asciz and .ascii instead of .string 5eb5927d81ee fdtdump: fix -Werror=int-to-pointer-cast 0869f8269161 libfdt: Add ALIGNMENT error string 69595a167f06 checks: Fix bus-range check 72d09e2682a4 Makefile: add -Wsign-compare to warning options b587787ef388 checks: Fix signedness comparisons warnings 69bed6c2418f dtc: Wrap phandle validity check 910221185560 fdtget: Fix signedness comparisons warnings d966f08fcd21 tests: Fix signedness comparisons warnings ecfb438c07fa dtc: Fix signedness comparisons warnings: pointer diff 5bec74a6d135 dtc: Fix signedness comparisons warnings: reservednum 24e7f511fd4a fdtdump: Fix signedness comparisons warnings b6910bec1161 Bump version to v1.6.1 21d61d18f968 Fix CID 1461557 4c2ef8f4d14c checks: Introduce is_multiple_of() e59ca36fb70e Make handling of cpp line information more tolerant 0c3fd9b6aceb checks: Drop interrupt_cells_is_cell check 6b3081abc4ac checks: Add check_is_cell() for all phandle+arg properties 2dffc192a77f yamltree: Remove marker ordering dependency 61e513439e40 pylibfdt: Rework "avoid unused variable warning" lines c8bddd106095 tests: add a positive gpio test case ad4abfadb687 checks: replace strstr and strrchr with strends 09c6a6e88718 dtc.h: add strends for suffix matching 9bb9b8d0b4a0 checks: tigthen up nr-gpios prop exception b07b62ee3342 libfdt: Add FDT alignment check to fdt_check_header() a2def5479950 libfdt: Check that the root-node name is empty 4ca61f84dc21 libfdt: Check that there is only one root node 34d708249a91 dtc: Remove -O dtbo support 8e7ff260f755 libfdt: Fix a possible "unchecked return value" warning 88875268c05c checks: Warn on node-name and property name being the same 9d2279e7e6ee checks: Change node-name check to match devicetree spec f527c867a8c6 util: limit gnu_printf format attribute to gcc >= 4.4.0 Reviewed-by: Frank Rowand <frank.rowand@sony.com> Tested-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
2021-05-02.gitignore: prefix local generated files with a slashMasahiro Yamada
The pattern prefixed with '/' matches files in the same directory, but not ones in sub-directories. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Miguel Ojeda <ojeda@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Andra Paraschiv <andraprs@amazon.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Gabriel Krisman Bertazi <krisman@collabora.com>
2021-03-05Merge tag 'devicetree-fixes-for-5.12-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Another batch of graph and video-interfaces schema conversions - Drop DT header symlink for dropped C6X arch - Fix bcm2711-hdmi schema error * tag 'devicetree-fixes-for-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: media: Use graph and video-interfaces schemas, round 2 dts: drop dangling c6x symlink dt-bindings: bcm2711-hdmi: Fix broken schema
2021-02-23dts: drop dangling c6x symlinkMichal Kubecek
With c6x architecture removal, scripts/dtc/include-prefixes/c6x symlink lost its target. Drop the dangling symlink which triggers some distribution check scripts. Fixes: a579fcfa8e49 ("c6x: remove architecture") Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210223204114.E7F55E0155@unicorn.suse.cz
2021-02-23scripts/dtc: Add missing fdtoverlay to gitignoreRob Herring
Commit 0da6bcd9fcc0 ("scripts: dtc: Build fdtoverlay tool") enabled building fdtoverlay, but failed to add it to .gitignore. Also add a note to keep hostprogs in sync with .gitignore. Fixes: 0da6bcd9fcc0 ("scripts: dtc: Build fdtoverlay tool") Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org>
2021-02-04scripts: dtc: Remove the unused fdtdump.c fileViresh Kumar
This was copied from external DTC repository long back and isn't used anymore. Over that the dtc tool can be used to generate the dts source back from the dtb. Remove the unused fdtdump.c file. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/7ea1a9e7fd5d75b7adfc2a4c40dde2d4ea3fddf8.1611904394.git.viresh.kumar@linaro.org
2021-02-04scripts: dtc: Build fdtoverlay toolViresh Kumar
We will start building overlays for platforms soon in the kernel and would need fdtoverlay going forward. Lets start building it. The fdtoverlay program applies one or more overlay dtb blobs to a base dtb blob. The kernel build system would later use fdtoverlay to generate the overlaid blobs based on platform specific configurations. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/4a201dea3ba11a00cab7e936dfc1140dac1a1ae3.1611904394.git.viresh.kumar@linaro.org
2021-02-04scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9Rob Herring
This adds the following commits from upstream: 183df9e9c2b9 gitignore: Ignore the swp files 0db6d09584e1 gitignore: Add cscope files 307afa1a7be8 Update Jon Loeliger's email ca16a723fa9d fdtdump: Fix gcc11 warning 64990a272e8f srcpos: increase MAX_SRCFILE_DEPTH 163f0469bf2e dtc: Allow overlays to have .dtbo extension 3b01518e688d Set last_comp_version correctly in new dtb and fix potential version issues in fdt_open_into f7e5737f26aa tests: Fix overlay_overlay_nosugar test case 7cd5d5fe43d5 libfdt: Tweak description of assume-aligned load helpers a7c404099349 libfdt: Internally perform potentially unaligned loads bab85e48a6f4 meson: increase default timeout for tests f8b46098824d meson: do not assume python is installed, skip tests 30a56bce4f0b meson: fix -Wall warning 5e735860c478 libfdt: Check for 8-byte address alignment in fdt_ro_probe_() 67849a327927 build-sys: add meson build 05874d08212d pylibfdt: allow build out of tree 3bc3a6b9fe0c dtc: Fix signedness comparisons warnings: Wrap (-1) e1147b159e92 dtc: Fix signedness comparisons warnings: change types 04cf1fdc0fcf convert-dtsv0: Fix signedness comparisons warning b30013edb878 libfdt: Fix kernel-doc comments Signed-off-by: Rob Herring <robh@kernel.org>
2021-02-03scripts: dtc: Fetch fdtoverlay.c from external DTC projectViresh Kumar
We will start building overlays for platforms soon in the kernel and would need fdtoverlay tool going forward. Lets start fetching it. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/28f66f70602225bb6aeb58e924c20bde9d864327.1611904394.git.viresh.kumar@linaro.org
2020-10-12scripts/dtc: Update to upstream version v1.6.0-31-gcbca977ea121Rob Herring
This adds the following commits from upstream: cbca977ea121 checks: Allow PCI bridge child nodes without an address 73e0f143b73d libfdt: fdt_strerror(): Fix comparison warning 6c2be7d85315 libfdt: fdt_get_string(): Fix sequential write comparison warnings 82525f41d59e libfdt: libfdt_wip: Fix comparison warning fb1f65f15832 libfdt: fdt_create_with_flags(): Fix comparison warning f28aa271000b libfdt: fdt_move(): Fix comparison warnings 3d7c6f44195a libfdt: fdt_add_string_(): Fix comparison warning 10f682788c30 libfdt: fdt_node_offset_by_phandle(): Fix comparison warning 07158f4cf2a2 libfdt: overlay: Fix comparison warning ce9e1f25a7de libfdt: fdt_resize(): Fix comparison warning faa76fc10bc5 libfdt: fdt_splice_(): Fix comparison warning 54dca0985316 libfdt: fdt_get_string(): Fix comparison warnings f8e11e61624e libfdt: fdt_grab_space_(): Fix comparison warning 0c43d4d7bf5a libfdt: fdt_mem_rsv(): Fix comparison warnings 442ea3dd1579 libfdt: fdt_offset_ptr(): Fix comparison warnings ca19c3db2bf6 Makefile: Specify cflags for libyaml 7bb86f1c0956 libfdt: fix fdt_check_node_offset_ w/ VALID_INPUT 3d522abc7571 dtc: Include stdlib.h in util.h 808cdaaf524f dtc: Avoid UB when shifting 3e3138b4a956 libfdt: fix fdt_check_full buffer overrun Signed-off-by: Rob Herring <robh@kernel.org>
2020-10-06Merge branch 'dt/linus' into dt/nextRob Herring
2020-09-29scripts/dtc: only append to HOST_EXTRACFLAGS instead of overwritingUwe Kleine-König
When building with $ HOST_EXTRACFLAGS=-g make the expectation is that host tools are built with debug informations. This however doesn't happen if the Makefile assigns a new value to the HOST_EXTRACFLAGS instead of appending to it. So use += instead of := for the first assignment. Fixes: e3fd9b5384f3 ("scripts/dtc: consolidate include path options in Makefile") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Rob Herring <robh@kernel.org>
2020-08-19scripts/dtc: dtx_diff - make help text formatting consistentGeert Uytterhoeven
None of the help texts use capitalization, except the one for the -T option. Drop the capitalization for consistency. Split the single long line that doesn't fit in 80 characters. Reviewed-by: Frank Rowand <frowand.list@gmail.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200819124709.20401-1-geert+renesas@glider.be
2020-08-10kbuild: introduce hostprogs-always-y and userprogs-always-yMasahiro Yamada
To build host programs, you need to add the program names to 'hostprogs' to use the necessary build rule, but it is not enough to build them because there is no dependency. There are two types of host programs: built as the prerequisite of another (e.g. gen_crc32table in lib/Makefile), or always built when Kbuild visits the Makefile (e.g. genksyms in scripts/genksyms/Makefile). The latter is typical in Makefiles under scripts/, which contains host programs globally used during the kernel build. To build them, you need to add them to both 'hostprogs' and 'always-y'. This commit adds hostprogs-always-y as a shorthand. The same applies to user programs. net/bpfilter/Makefile builds bpfilter_umh on demand, hence always-y is unneeded. In contrast, programs under samples/ are added to both 'userprogs' and 'always-y' so they are always built when Kbuild visits the Makefiles. userprogs-always-y works as a shorthand. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
2020-06-30scripts/dtc: Update to upstream version v1.6.0-11-g9d7888cbf19cRob Herring
Sync with upstream dtc primarily to pickup the I2C bus check fixes. The interrupt_provider check is noisy, so turn it off for now. This adds the following commits from upstream: 9d7888cbf19c dtc: Consider one-character strings as strings 8259d59f59de checks: Improve i2c reg property checking fdabcf2980a4 checks: Remove warning for I2C_OWN_SLAVE_ADDRESS 2478b1652c8d libfdt: add extern "C" for C++ f68bfc2668b2 libfdt: trivial typo fix 7be250b4d059 libfdt: Correct condition for reordering blocks 81e0919a3e21 checks: Add interrupt provider test 85e5d839847a Makefile: when building libfdt only, do not add unneeded deps b28464a550c5 Fix some potential unaligned accesses in dtc Signed-off-by: Rob Herring <robh@kernel.org>
2020-06-08scripts/dtc: use pkg-config to include <yaml.h> in non-standard pathMasahiro Yamada
Commit 067c650c456e ("dtc: Use pkg-config to locate libyaml") added 'pkg-config --libs' to link libyaml installed in a non-standard location. yamltree.c includes <yaml.h>, but that commit did not add the search path for <yaml.h>. If /usr/include/yaml.h does not exist, it fails to build. A user can explicitly pass HOSTCFLAGS to work around it, but the policy is not consistent. There are two ways to deal with libraries in a non-default location. [1] Use HOSTCFLAGS and HOSTLDFLAGS for additional search paths for headers and libraries. They are documented in Documentation/kbuild/kbuild.rst $ make HOSTCFLAGS='-I <prefix>/include' HOSTLDFLAGS='-L <prefix>/lib' [2] Use pkg-config 'pkg-config --cflags' for querying the header search path 'pkg-config --libs' for querying the lib and its path If we go with pkg-config, use [2] consistently. Do not mix up [1] and [2]. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-17kbuild: check libyaml installation for 'make dt_binding_check'Masahiro Yamada
If you run 'make dtbs_check' without installing the libyaml package, the error message "dtc needs libyaml ..." is shown. This should be checked also for 'make dt_binding_check' because dtc needs to validate *.example.dts extracted from *.yaml files. It is missing since commit 4f0e3a57d6eb ("kbuild: Add support for DT binding schema checks"), but this fix-up is applicable only after commit e10c4321dc1e ("kbuild: allow to run dt_binding_check and dtbs_check in a single command"). I gave the Fixes tag to the latter in case somebody is interested in back-porting this. Fixes: e10c4321dc1e ("kbuild: allow to run dt_binding_check and dtbs_check in a single command") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-03Merge tag 'spdx-5.7-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx Pull SPDX updates from Greg KH: "Here are three SPDX patches for 5.7-rc1. One fixes up the SPDX tag for a single driver, while the other two go through the tree and add SPDX tags for all of the .gitignore files as needed. Nothing too complex, but you will get a merge conflict with your current tree, that should be trivial to handle (one file modified by two things, one file deleted.) All three of these have been in linux-next for a while, with no reported issues other than the merge conflict" * tag 'spdx-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: ASoC: MT6660: make spdxcheck.py happy .gitignore: add SPDX License Identifier .gitignore: remove too obvious comments
2020-04-02Merge tag 'devicetree-for-5.7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: - Unit test for overlays with GPIO hogs - Improve dma-ranges parsing to handle dma-ranges with multiple entries - Update dtc to upstream version v1.6.0-2-g87a656ae5ff9 - Improve overlay error reporting - Device link support for power-domains and hwlocks bindings - Add vendor prefixes for Beacon, Topwise, ENE, Dell, SG Micro, Elida, PocketBook, Xiaomi, Linutronix, OzzMaker, Waveshare Electronics, and ITE Tech - Add deprecated Marvell vendor prefix 'mrvl' - A bunch of binding conversions to DT schema continues. Of note, the common serial and USB connector bindings are converted. - Add more Arm CPU compatibles - Drop Mark Rutland as DT maintainer :( * tag 'devicetree-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (106 commits) MAINTAINERS: drop an old reference to stm32 pwm timers doc MAINTAINERS: dt: update etnaviv file reference dt-bindings: usb: dwc2: fix bindings for amlogic, meson-gxbb-usb dt-bindings: uniphier-system-bus: fix warning in the example dt-bindings: display: meson-vpu: fix indentation of reg-names' "items" dt-bindings: iio: Fix adi, ltc2983 uint64-matrix schema constraints dt-bindings: power: Fix example for power-domain dt-bindings: arm: Add some constraints for PSCI nodes of: some unittest overlays not untracked of: gpio unittest kfree() wrong object dt-bindings: phy: convert phy-rockchip-inno-usb2 bindings to yaml dt-bindings: serial: sh-sci: Convert to json-schema dt-bindings: serial: Document serialN aliases dt-bindings: thermal: tsens: Set 'additionalProperties: false' dt-bindings: thermal: tsens: Fix nvmem-cell-names schema dt-bindings: vendor-prefixes: Add Beacon vendor prefix dt-bindings: vendor-prefixes: Add Topwise of: of_private.h: Replace zero-length array with flexible-array member docs: dt: fix a broken reference to input.yaml docs: dt: fix references to ap806-system-controller.txt ...
2020-03-31Merge tag 'kbuild-v5.7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: "Build system: - add CONFIG_UNUSED_KSYMS_WHITELIST, which will be useful to define a fixed set of export symbols for Generic Kernel Image (GKI) - allow to run 'make dt_binding_check' without .config - use full schema for checking DT examples in *.yaml files - make modpost fail for missing MODULE_IMPORT_NS(), which makes more sense because we know the produced modules are never loadable - Remove unused 'AS' variable Kconfig: - sanitize DEFCONFIG_LIST, and remove ARCH_DEFCONFIG from Kconfig files - relax the 'imply' behavior so that symbols implied by 'y' can become 'm' - make 'imply' obey 'depends on' in order to make 'imply' really weak Misc: - add documentation on building the kernel with Clang/LLVM - revive __HAVE_ARCH_STRLEN for 32bit sparc to use optimized strlen() - fix warning from deb-pkg builds when CONFIG_DEBUG_INFO=n - various script and Makefile cleanups" * tag 'kbuild-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits) Makefile: Update kselftest help information kbuild: deb-pkg: fix warning when CONFIG_DEBUG_INFO is unset kbuild: add outputmakefile to no-dot-config-targets kbuild: remove AS variable net: wan: wanxl: refactor the firmware rebuild rule net: wan: wanxl: use $(M68KCC) instead of $(M68KAS) for rebuilding firmware net: wan: wanxl: use allow to pass CROSS_COMPILE_M68k for rebuilding firmware kbuild: add comment about grouped target kbuild: add -Wall to KBUILD_HOSTCXXFLAGS kconfig: remove unused variable in qconf.cc sparc: revive __HAVE_ARCH_STRLEN for 32bit sparc kbuild: refactor Makefile.dtbinst more kbuild: compute the dtbs_install destination more simply Makefile: disallow data races on gcc-10 as well kconfig: make 'imply' obey the direct dependency kconfig: allow symbols implied by y to become m net: drop_monitor: use IS_REACHABLE() to guard net_dm_hw_report() modpost: return error if module is missing ns imports and MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS=n modpost: rework and consolidate logging interface kbuild: allow to run dt_binding_check without kernel configuration ...
2020-03-27scripts/dtc: Remove redundant YYLOC global declarationDirk Mueller
gcc 10 will default to -fno-common, which causes this error at link time: (.text+0x0): multiple definition of `yylloc'; dtc-lexer.lex.o (symbol from plugin):(.text+0x0): first defined here This is because both dtc-lexer as well as dtc-parser define the same global symbol yyloc. Before with -fcommon those were merged into one defintion. The proper solution would be to to mark this as "extern", however that leads to: dtc-lexer.l:26:16: error: redundant redeclaration of 'yylloc' [-Werror=redundant-decls] 26 | extern YYLTYPE yylloc; | ^~~~~~ In file included from dtc-lexer.l:24: dtc-parser.tab.h:127:16: note: previous declaration of 'yylloc' was here 127 | extern YYLTYPE yylloc; | ^~~~~~ cc1: all warnings being treated as errors which means the declaration is completely redundant and can just be dropped. Signed-off-by: Dirk Mueller <dmueller@suse.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> [robh: cherry-pick from upstream] Cc: stable@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2020-03-25.gitignore: add SPDX License IdentifierMasahiro Yamada
Add SPDX License Identifier to all .gitignore files. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-13scripts/dtc: Update to upstream version v1.6.0-2-g87a656ae5ff9Rob Herring
This adds the following commits from upstream: 87a656ae5ff9 check: Inform about missing ranges 73d6e9ecb417 libfdt: fix undefined behaviour in fdt_splice_() 2525da3dba9b Bump version to v1.6.0 62cb4ad286ff Execute tests on FreeBSD with Cirrus CI 1f9a41750883 tests: Allow running the testsuite on already installed binary / libraries c5995ddf4c20 tests: Honour NO_YAML make variable e4ce227e89d7 tests: Properly clean up .bak file from tests 9b75292c335c tests: Honour $(NO_PYTHON) flag from Makefile in run_tests.sh 6c253afd07d4 Encode $(NO_PYTHON) consistently with other variables 95ec8ef706bd tests: No need to explicitly pass $PYTHON from Make to run_tests.sh 2b5f62d109a2 tests: Let run_tests.sh run Python tests without Makefile assistance 76b43dcbd18a checks: Add 'dma-ranges' check e5c92a4780c6 libfdt: Use VALID_INPUT for FDT_ERR_BADSTATE checks e5cc26b68bc0 libfdt: Add support for disabling internal checks 28fd7590aad2 libfdt: Improve comments in some of the assumptions fc207c32341b libfdt: Fix a few typos 0f61c72dedc4 libfdt: Allow exclusion of fdt_check_full() f270f45fd5d2 libfdt: Add support for disabling ordering check/fixup c18bae9a4c96 libfdt: Add support for disabling version checks fc03c4a2e04e libfdt: Add support for disabling rollback handling 77563ae72b7c libfdt: Add support for disabling sanity checks 57bc6327b80b libfdt: Add support for disabling dtb checks 464962489dcc Add a way to control the level of checks in the code 0c5326cb2845 libfdt: De-inline fdt_header_size() cc6a5a071504 Revert "yamltree: Ensure consistent bracketing of properties with phandles" 0e9225eb0dfe Remove redundant YYLOC global declaration cab09eedd644 Move -DNO_VALGRIND into CPPFLAGS 0eb1cb0b531e Makefile: pass $(CFLAGS) also during dependency generation Signed-off-by: Rob Herring <robh@kernel.org>
2020-03-13scripts/dtc: Remove unused makefile fragmentsRob Herring
The Makefile.dtc and Makefile.libfdt fragments from upstream dtc aren't used by the kernel build, so let's remove them and stop syncing them. Signed-off-by: Rob Herring <robh@kernel.org>
2020-03-13kbuild: allow to run dt_binding_check without kernel configurationMasahiro Yamada
The dt_binding_check target is located outside of the 'ifneq ($(dtstree),) ... endif' block. So, you can run 'make dt_binding_check' on any architecture. This makes a perfect sense because the dt-schema is arch-agnostic. The only one problem I see is that scripts/dtc/dtc is not always built. For example, ARCH=x86 defconfig does not define CONFIG_DTC. Kbuild descends into scripts/dtc/ with doing nothing. Then, it fails to build *.example.dt.yaml files. Let's build scripts/dtc/dtc forcibly when running dt_binding_check. The dt-schema does not depend on any CONFIG option either, so you should be able to run dt_binding_check without the .config file. Going forward, you can directly run 'make dt_binding_check' in a pristine source tree. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org>
2020-02-04kbuild: rename hostprogs-y/always to hostprogs/always-yMasahiro Yamada
In old days, the "host-progs" syntax was used for specifying host programs. It was renamed to the current "hostprogs-y" in 2004. It is typically useful in scripts/Makefile because it allows Kbuild to selectively compile host programs based on the kernel configuration. This commit renames like follows: always -> always-y hostprogs-y -> hostprogs So, scripts/Makefile will look like this: always-$(CONFIG_BUILD_BIN2C) += ... always-$(CONFIG_KALLSYMS) += ... ... hostprogs := $(always-y) $(always-m) I think this makes more sense because a host program is always a host program, irrespective of the kernel configuration. We want to specify which ones to compile by CONFIG options, so always-y will be handier. The "always", "hostprogs-y", "hostprogs-m" will be kept for backward compatibility for a while. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-01-28scripts/dtc: Revert "yamltree: Ensure consistent bracketing of properties ↵Rob Herring
with phandles" This reverts upstream commit 18d7b2f4ee45fec422b7d82bab0b3c762ee907e4. A revert in upstream dtc is pending. This commit didn't work for properties such as 'interrupt-map' that have phandle in the middle of an entry. It would also not work for a 0 or -1 phandle value that acts as a NULL. Signed-off-by: Rob Herring <robh@kernel.org>
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