- 06 Dec, 2022 13 commits
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Krzysztof Kozlowski authored
The preferred name suffix for properties with single and multiple GPIOs is "gpios". Linux GPIO core code supports both. The DTS has mixed usage, so switch to preferred naming: omap3-n900.dtb: lp5523@32: 'enable-gpios' does not match any of the regexes: '^led@[0-8]$', '^multi-led@[0-8]$', 'pinctrl-[0-9]+' Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221127204058.57111-4-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Krzysztof Kozlowski authored
The Linux driver and at least one upstream board use 'label' property: qcom/msm8996-xiaomi-gemini.dtb: lp5562@30: 'label' does not match any of the regexes: '^led@[0-8]$', '^multi-led@[0-8]$', 'pinctrl-[0-9]+' Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221127204058.57111-3-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Krzysztof Kozlowski authored
The common.yaml schema allows further properties, so the bindings using it should restrict it with unevaluatedProperties:false. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221127204058.57111-2-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Adam Skladowski authored
Document compatible for tsens on Qualcomm SM6115 platform according to downstream dts it ship v2.4 of IP Signed-off-by: Adam Skladowski <a39.skl@gmail.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221130200950.144618-3-a39.skl@gmail.comSigned-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
"linux,initrd-start" and "linux,initrd-end" can be 32-bit values even on a 64-bit platform. Ideally, the size should be based on '#address-cells', but that has never been enforced in the kernel's FDT boot parsing code (early_init_dt_check_for_initrd()). Bootloader behavior is known to vary. For example, kexec always writes these as 64-bit. The result of incorrectly reading 32-bit values is most likely the reserved memory for the original initrd will still be reserved for the new kernel. The original arm64 equivalent of this code failed to release the initrd reserved memory in *all* cases. Use of_read_number() to mirror the early_init_dt_check_for_initrd() code. Fixes: b30be4dc ("of: Add a common kexec FDT setup function") Cc: stable@vger.kernel.org Reported-by: Peter Maydell <peter.maydell@linaro.org> Link: https://lore.kernel.org/r/20221128202440.1411895-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Uwe Kleine-König authored
Compared to the txt description this adds clocks and clock-names to match reality. Note that fsl,imx-lcdc was picked as the new name as this is the actual hardware's name. There will be a new binding implementing the saner drm concept that is supposed to supersede this legacy fb binding Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221129180414.2729091-1-u.kleine-koenig@pengutronix.deSigned-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
json-schema patterns by default will match anywhere in a string, so typically we want at least the start or end anchored. Fix the obvious cases where the anchors were forgotten. Acked-by: Matti Vaittinen <mazziesaccount@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20221118223728.1721589-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Luca Weiss authored
Document the compatibles that are already in use in the upstream Linux kernel to resolve dtbs_check warnings. Signed-off-by: Luca Weiss <luca.weiss@fairphone.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221013091208.356739-1-luca.weiss@fairphone.comSigned-off-by: Rob Herring <robh@kernel.org>
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André Apitzsch authored
Add devicetree binding for Orient Chip OCP8110 charge pump used for camera flash LEDs. Signed-off-by: André Apitzsch <git@apitzsch.eu> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220505185344.10067-1-git@apitzsch.euSigned-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
Fixed string node names should be under 'properties' rather than 'patternProperties'. Additionally, without beginning and end of line anchors, any prefix or suffix is allowed on the specified node name. These cases don't appear to want a prefix or suffix, so move them under 'properties'. In some cases, the diff turns out to look like we're moving some patterns rather than the fixed string properties. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20221118223708.1721134-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Uwe Kleine-König authored
In struct i2c_driver, field new_probe replaces the soon to be deprecated field probe. Update unittest for this change. The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Frank Rowand <frowand.list@gmail.com> Link: https://lore.kernel.org/r/20221118224540.619276-510-uwe@kleine-koenig.org [robh: Add Frank's commit msg addition] Signed-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
'cpus' is a common property, and it is now defined in dtschema schemas, so drop the type references in the tree. Acked-by: Suzuki K Poulose <suzuki.poulse@arm.com> Acked-by: Bjorn Andersson <andersson@kernel.org> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20221111212857.4104308-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
The reference by path (&{/cpus/cpu@101/thermal-idle}) in the example causes an error with new version of dtc: FATAL ERROR: Can't generate fixup for reference to path &{/cpus/cpu@100/thermal-idle} This is because the examples are built as an overlay and absolute paths are not valid as references must be by label. The path was also not resolvable because, by default, examples are placed under 'example-N' nodes. As the example contains top-level nodes, the root node must be explicit for the example to be extracted as-is. This changes the indentation for the whole example, but the existing indentation is a mess of of random amounts. Clean this up to be 4 spaces everywhere. Link: https://lore.kernel.org/r/20221111162729.3381835-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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- 11 Nov, 2022 2 commits
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Thippeswamy Havalige authored
Convert to YAML schemas for Xilinx NWL PCIe Root Port Bridge dt binding. Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@amd.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221111053709.1474323-2-thippeswamy.havalige@amd.comSigned-off-by: Rob Herring <robh@kernel.org>
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Thippeswamy Havalige authored
Convert to YAML dtschemas of Xilinx AXI PCIe Root Port Bridge dt binding. Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@amd.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221111053709.1474323-1-thippeswamy.havalige@amd.comSigned-off-by: Rob Herring <robh@kernel.org>
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- 10 Nov, 2022 1 commit
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Rob Herring authored
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>
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- 31 Oct, 2022 2 commits
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Rafał Miłecki authored
Broadcom uses U-Boot for a lot of their bcmbca familiy chipsets. U-Boot stores its configuration in an environment data block. Such blocks are usually stored on flash as a separated partition at hardcoded address. Broadcom however decided to: 1. Store env data block inside U-Boot partition 2. Avoid sticking to hardcoded offsets 3. Use custom header with "uEnv" magic and env data length Example (length 0x4000): $ hexdump -n 32 -C -s 0x40000 /dev/mtdblock0 00040000 76 6e 45 75 00 40 00 00 34 89 7a 82 49 4d 41 47 |vnEu.@..4.z.IMAG| 00040010 45 3d 4e 41 4e 44 3a 31 4d 2c 31 30 32 34 4d 00 |E=NAND:1M,1024M.| (0x40000 offset is unit specific and can change) Starting with the commit 118f3fbe ("dt-bindings: mtd: partitions: support label/name only partition") DT can describe partitions matching them by a name (without specifying actual address). With that feature and this binding change it's possible to: 1. Specify DT node for Broadcom's U-Boot env data subpartition 2. Add nodes for specific environment data variables 3. Reference them as NVMEM cells This binding is unlikely to help Broadcom's U-Boot. U-Boot SPL needs to find environment data early (before it accesses DTB) and it does that by looking for an "uEnv" magic. Dirty way. This binding can however be used by operating systems. It allows describing cleanly U-Boot, its env data and variables. It tells operating system about Broadcom-specific env data so it can parse it. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Link: https://lore.kernel.org/r/20221018154202.4634-2-zajec5@gmail.comSigned-off-by: Rob Herring <robh@kernel.org>
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Rafał Miłecki authored
U-Boot partition may contain subpartitions. For example Broadcom includes environment data block in the middle of its U-Boot partition. This allows describing Broadcom's U-Boot env data and will allow referencing its NVMEM cell in the future. Ref: 118f3fbe ("dt-bindings: mtd: partitions: support label/name only partition") Ref: dd638202 ("dt-bindings: mtd: partitions: add additional example for qcom,smem-part") Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Link: https://lore.kernel.org/r/20221018154202.4634-1-zajec5@gmail.comSigned-off-by: Rob Herring <robh@kernel.org>
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- 30 Oct, 2022 1 commit
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Marek Vasut authored
Convert the text STMIPID02 DT bindings to YAML DT format to permit validation of DTs using this I2C CSI-2 to CPI bridge. Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com> Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220929145416.16336-1-marex@denx.deSigned-off-by: Rob Herring <robh@kernel.org>
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- 26 Oct, 2022 5 commits
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Rob Herring authored
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Andrew Davis authored
DTB Overlays (.dtbo) can now be built from source files with the extension (.dtso). This makes it clear what is the content of the files and differentiates them from base DTB source files. Rename the pi433-overlay.dts file to pi433-overlay.dtso and update the information file pi433.txt for the same. Signed-off-by: Andrew Davis <afd@ti.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20221024173434.32518-8-afd@ti.comSigned-off-by: Rob Herring <robh@kernel.org>
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Frank Rowand authored
In drivers/of/unittest-data/: - Rename .dts overlay source files to use .dtso suffix. Modify driver/of/unitest.c to use .dtbo.o based symbols instead of .dtb.o Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Andrew Davis <afd@ti.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Frank Rowand <frowand.list@gmail.com> Tested-by: Frank Rowand <frowand.list@gmail.com> Link: https://lore.kernel.org/r/20221024173434.32518-4-afd@ti.comSigned-off-by: Rob Herring <robh@kernel.org>
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Andrew Davis authored
DTB files can be built into the kernel by converting them to assembly files then assembling them into object files. We extend this here for DTB overlays with the .dtso extensions. We change the start and end delimiting tag prefix to make it clear that this data came from overlay files. [Based on patch by Frank Rowand <frank.rowand@sony.com>] Signed-off-by: Andrew Davis <afd@ti.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Frank Rowand <frowand.list@gmail.com> Tested-by: Frank Rowand <frowand.list@gmail.com> Link: https://lore.kernel.org/r/20221024173434.32518-3-afd@ti.comSigned-off-by: Rob Herring <robh@kernel.org>
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Andrew Davis authored
Currently DTB Overlays (.dtbo) are build from source files with the same extension (.dts) as the base DTs (.dtb). This may become confusing and even lead to wrong results. For example, a composite DTB (created from a base DTB and a set of overlays) might have the same name as one of the overlays that create it. Different files should be generated from differently named sources. .dtb <-> .dts .dtbo <-> .dtso We do not remove the ability to compile DTBO files from .dts files here, only add a new rule allowing the .dtso file name. The current .dts named overlays can be renamed with time. After all have been renamed we can remove the other rule. Signed-off-by: Andrew Davis <afd@ti.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Frank Rowand <frowand.list@gmail.com> Tested-by: Frank Rowand <frowand.list@gmail.com> Link: https://lore.kernel.org/r/20221024173434.32518-2-afd@ti.comSigned-off-by: Rob Herring <robh@kernel.org>
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- 21 Oct, 2022 3 commits
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Alexandre Torgue authored
In some cases an hardware peripheral can be used for two exclusive usages. For example, on STM32MP15 we have the same peripheral for I2S and SPI. We have dedicated driver for each usage and so a dedicated device node in devicetree. To avoid to get useless warnings running "make W=1 dtbs", this patch adds the "-Wunique_unit_address_if_enabled" flag for a make with W=1. In this case we will detect a duplicate address only if both devices are enabled in the devicetree, which is a real error case. Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com> Link: https://lore.kernel.org/r/20221021084447.5550-1-alexandre.torgue@foss.st.com [robh: Refactor options and keep 'unique_unit_address' for W=2] Signed-off-by: Rob Herring <robh@kernel.org>
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Geert Uytterhoeven authored
Despite the name, R-Car V3U is the first member of the R-Car Gen4 family. Hence move its compatible value to the R-Car Gen4 section. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Joerg Roedel <jroedel@suse.de> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/c1fb71448a8400986fd30d51a1bb2704376c0306.1666361055.git.geert+renesas@glider.beSigned-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
The 'ata-generic' binding has been around since 2008, but never documented. Cc: Alexander Shiyan <shc_work@mail.ru> Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Link: https://lore.kernel.org/r/20221011135849.2785834-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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- 20 Oct, 2022 1 commit
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Rob Herring authored
There's no reason to have "status" properties in examples. "okay" is the default, and "disabled" turns off some schema checks ('required' specifically). A meta-schema check for this is pending, so hopefully the last time to fix these. Fix the indentation in intel,phy-thunderbay-emmc while we're here. Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Acked-by: Thierry Reding <treding@nvidia.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-By: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20221014205104.2822159-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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- 18 Oct, 2022 4 commits
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Rob Herring authored
Convert the pwm-clock binding to DT schema format. A straight-forward conversion. Reviewed-by: Stephen Boyd <sboyd@kernel.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221011162919.3025038-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
Convert the IDT 89HPESx device binding to DT schema format. "onsemi,24c64" was not a documented compatible string, so update the example to "atmel,24c64". It's not clear what's in use here as no upstream dts files have the eeprom child node. Acked-by: Serge Semin <fancer.lancer@gmail.com> Link: https://lore.kernel.org/r/20221005212631.122145-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Matt Ranostay authored
Add missing dma-coherent property to schema which avoids the following warnings ufs-wrapper@4e80000: ufs@4e84000: Unevaluated properties are not allowed ('dma-coherent' was unexpected) Signed-off-by: Matt Ranostay <mranostay@ti.com> Link: https://lore.kernel.org/r/20221013194559.128643-1-mranostay@ti.comSigned-off-by: Rob Herring <robh@kernel.org>
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Krzysztof Kozlowski authored
For devices connectable by SPI bus (e.g. already using "spi-max-frequency" property), reference the "spi-peripheral-props.yaml" schema to allow using all SPI device properties, even these which device bindings author did not tried yet. Change "additionalProperties" to "unevaluatedProperties", so the actual other properties from "spi-peripheral-props.yaml" can be used. This has additional impact of allowing also other properties from panel-common.yaml to be used. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221004120907.72767-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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- 16 Oct, 2022 8 commits
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Christian Göttsche authored
of_overlay_action_name() returns a string literal from a function local array. Modifying string literals is undefined behavior which usage of const pointer can avoid. of_overlay_action_name() is currently only used once in overlay_notify() to print the returned value. While on it declare the data array const as well. Reported by Clang: In file included from arch/x86/kernel/asm-offsets.c:22: In file included from arch/x86/kernel/../kvm/vmx/vmx.h:5: In file included from ./include/linux/kvm_host.h:19: In file included from ./include/linux/msi.h:23: In file included from ./arch/x86/include/asm/msi.h:5: In file included from ./arch/x86/include/asm/irqdomain.h:5: In file included from ./include/linux/irqdomain.h:35: ./include/linux/of.h:1555:3: error: initializing 'char *' with an expression of type 'const char[5]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] "init", ^~~~~~ ./include/linux/of.h:1556:3: error: initializing 'char *' with an expression of type 'const char[10]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] "pre-apply", ^~~~~~~~~~~ ./include/linux/of.h:1557:3: error: initializing 'char *' with an expression of type 'const char[11]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] "post-apply", ^~~~~~~~~~~~ ./include/linux/of.h:1558:3: error: initializing 'char *' with an expression of type 'const char[11]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] "pre-remove", ^~~~~~~~~~~~ ./include/linux/of.h:1559:3: error: initializing 'char *' with an expression of type 'const char[12]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] "post-remove", ^~~~~~~~~~~~~ Signed-off-by: Christian Göttsche <cgzones@googlemail.com> Reviewed-by: Frank Rowand <frowand.list@gmail.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Link: https://lore.kernel.org/r/20221012174622.45006-1-cgzones@googlemail.comSigned-off-by: Rob Herring <robh@kernel.org>
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Yang Yingliang authored
Use of_address_count() to instead of open-coding it. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20221008115617.3583890-3-yangyingliang@huawei.comSigned-off-by: Rob Herring <robh@kernel.org>
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Yang Yingliang authored
Introduce of_address_count() helper to count the IO resources instead of open-coding it. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20221008115617.3583890-2-yangyingliang@huawei.comSigned-off-by: Rob Herring <robh@kernel.org>
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/crng/randomLinus Torvalds authored
Pull more random number generator updates from Jason Donenfeld: "This time with some large scale treewide cleanups. The intent of this pull is to clean up the way callers fetch random integers. The current rules for doing this right are: - If you want a secure or an insecure random u64, use get_random_u64() - If you want a secure or an insecure random u32, use get_random_u32() The old function prandom_u32() has been deprecated for a while now and is just a wrapper around get_random_u32(). Same for get_random_int(). - If you want a secure or an insecure random u16, use get_random_u16() - If you want a secure or an insecure random u8, use get_random_u8() - If you want secure or insecure random bytes, use get_random_bytes(). The old function prandom_bytes() has been deprecated for a while now and has long been a wrapper around get_random_bytes() - If you want a non-uniform random u32, u16, or u8 bounded by a certain open interval maximum, use prandom_u32_max() I say "non-uniform", because it doesn't do any rejection sampling or divisions. Hence, it stays within the prandom_*() namespace, not the get_random_*() namespace. I'm currently investigating a "uniform" function for 6.2. We'll see what comes of that. By applying these rules uniformly, we get several benefits: - By using prandom_u32_max() with an upper-bound that the compiler can prove at compile-time is ≤65536 or ≤256, internally get_random_u16() or get_random_u8() is used, which wastes fewer batched random bytes, and hence has higher throughput. - By using prandom_u32_max() instead of %, when the upper-bound is not a constant, division is still avoided, because prandom_u32_max() uses a faster multiplication-based trick instead. - By using get_random_u16() or get_random_u8() in cases where the return value is intended to indeed be a u16 or a u8, we waste fewer batched random bytes, and hence have higher throughput. This series was originally done by hand while I was on an airplane without Internet. Later, Kees and I worked on retroactively figuring out what could be done with Coccinelle and what had to be done manually, and then we split things up based on that. So while this touches a lot of files, the actual amount of code that's hand fiddled is comfortably small" * tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random: prandom: remove unused functions treewide: use get_random_bytes() when possible treewide: use get_random_u32() when possible treewide: use get_random_{u8,u16}() when possible, part 2 treewide: use get_random_{u8,u16}() when possible, part 1 treewide: use prandom_u32_max() when possible, part 2 treewide: use prandom_u32_max() when possible, part 1
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Linus Torvalds authored
Merge tag 'perf-tools-for-v6.1-2-2022-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull more perf tools updates from Arnaldo Carvalho de Melo: - Use BPF CO-RE (Compile Once, Run Everywhere) to support old kernels when using bperf (perf BPF based counters) with cgroups. - Support HiSilicon PCIe Performance Monitoring Unit (PMU), that monitors bandwidth, latency, bus utilization and buffer occupancy. Documented in Documentation/admin-guide/perf/hisi-pcie-pmu.rst. - User space tasks can migrate between CPUs, so when tracing selected CPUs, system-wide sideband is still needed, fix it in the setup of Intel PT on hybrid systems. - Fix metricgroups title message in 'perf list', it should state that the metrics groups are to be used with the '-M' option, not '-e'. - Sync the msr-index.h copy with the kernel sources, adding support for using "AMD64_TSC_RATIO" in filter expressions in 'perf trace' as well as decoding it when printing the MSR tracepoint arguments. - Fix program header size and alignment when generating a JIT ELF in 'perf inject'. - Add multiple new Intel PT 'perf test' entries, including a jitdump one. - Fix the 'perf test' entries for 'perf stat' CSV and JSON output when running on PowerPC due to an invalid topology number in that arch. - Fix the 'perf test' for arm_coresight failures on the ARM Juno system. - Fix the 'perf test' attr entry for PERF_FORMAT_LOST, adding this option to the or expression expected in the intercepted perf_event_open() syscall. - Add missing condition flags ('hs', 'lo', 'vc', 'vs') for arm64 in the 'perf annotate' asm parser. - Fix 'perf mem record -C' option processing, it was being chopped up when preparing the underlying 'perf record -e mem-events' and thus being ignored, requiring using '-- -C CPUs' as a workaround. - Improvements and tidy ups for 'perf test' shell infra. - Fix Intel PT information printing segfault in uClibc, where a NULL format was being passed to fprintf. * tag 'perf-tools-for-v6.1-2-2022-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (23 commits) tools arch x86: Sync the msr-index.h copy with the kernel sources perf auxtrace arm64: Add support for parsing HiSilicon PCIe Trace packet perf auxtrace arm64: Add support for HiSilicon PCIe Tune and Trace device driver perf auxtrace arm: Refactor event list iteration in auxtrace_record__init() perf tests stat+json_output: Include sanity check for topology perf tests stat+csv_output: Include sanity check for topology perf intel-pt: Fix system_wide dummy event for hybrid perf intel-pt: Fix segfault in intel_pt_print_info() with uClibc perf test: Fix attr tests for PERF_FORMAT_LOST perf test: test_intel_pt.sh: Add 9 tests perf inject: Fix GEN_ELF_TEXT_OFFSET for jit perf test: test_intel_pt.sh: Add jitdump test perf test: test_intel_pt.sh: Tidy some alignment perf test: test_intel_pt.sh: Print a message when skipping kernel tracing perf test: test_intel_pt.sh: Tidy some perf record options perf test: test_intel_pt.sh: Fix return checking again perf: Skip and warn on unknown format 'configN' attrs perf list: Fix metricgroups title message perf mem: Fix -C option behavior for perf mem record perf annotate: Add missing condition flags for arm64 ...
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Linus Torvalds authored
Merge tag 'kbuild-fixes-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y compile error for the combination of Clang >= 14 and GAS <= 2.35. - Drop vmlinux.bz2 from the rpm package as it just annoyingly increased the package size. - Fix modpost error under build environments using musl. - Make *.ll files keep value names for easier debugging - Fix single directory build - Prevent RISC-V from selecting the broken DWARF5 support when Clang and GAS are used together. * tag 'kbuild-fixes-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: lib/Kconfig.debug: Add check for non-constant .{s,u}leb128 support to DWARF5 kbuild: fix single directory build kbuild: add -fno-discard-value-names to cmd_cc_ll_c scripts/clang-tools: Convert clang-tidy args to list modpost: put modpost options before argument kbuild: Stop including vmlinux.bz2 in the rpm's Kconfig.debug: add toolchain checks for DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT Kconfig.debug: simplify the dependency of DEBUG_INFO_DWARF4/5
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds authored
Pull more clk updates from Stephen Boyd: "This is the final part of the clk patches for this merge window. The clk rate range series needed another week to fully bake. Maxime fixed the bug that broke clk notifiers and prevented this from being included in the first pull request. He also added a unit test on top to make sure it doesn't break so easily again. The majority of the series fixes up how the clk_set_rate_*() APIs work, particularly around when the rate constraints are dropped and how they move around when reparenting clks. Overall it's a much needed improvement to the clk rate range APIs that used to be pretty broken if you looked sideways. Beyond the core changes there are a few driver fixes for a compilation issue or improper data causing clks to fail to register or have the wrong parents. These are good to get in before the first -rc so that the system actually boots on the affected devices" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (31 commits) clk: tegra: Fix Tegra PWM parent clock clk: at91: fix the build with binutils 2.27 clk: qcom: gcc-msm8660: Drop hardcoded fixed board clocks clk: mediatek: clk-mux: Add .determine_rate() callback clk: tests: Add tests for notifiers clk: Update req_rate on __clk_recalc_rates() clk: tests: Add missing test case for ranges clk: qcom: clk-rcg2: Take clock boundaries into consideration for gfx3d clk: Introduce the clk_hw_get_rate_range function clk: Zero the clk_rate_request structure clk: Stop forwarding clk_rate_requests to the parent clk: Constify clk_has_parent() clk: Introduce clk_core_has_parent() clk: Switch from __clk_determine_rate to clk_core_round_rate_nolock clk: Add our request boundaries in clk_core_init_rate_req clk: Introduce clk_hw_init_rate_request() clk: Move clk_core_init_rate_req() from clk_core_round_rate_nolock() to its caller clk: Change clk_core_init_rate_req prototype clk: Set req_rate on reparenting clk: Take into account uncached clocks in clk_set_rate_range() ...
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