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2022-08-02Merge tag 'spi-v5.20' of ↵Linus Torvalds1-1/+4
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi updates from Mark Brown: "The big update this time around is some excellent work from David Jander who went through the fast path and really eliminated overheads, meaning that we are seeing a huge reduction in the time spent between transfers for single threaded clients. Benchmarking has been coming out at about a halving of overhead which is clearly visible in system level usage that stresses SPI like some CAN and IIO applications, especially with small transfers. Thanks to David for taking the time to drill down into this and push the work upstream. Otherwise there's been a bunch of new device support and the usual updates. - Optimisation of the fast path, particularly around the number and types of locking operations, from David Jander. - Support for Arbel NPCM845, HP GXP, Intel Meteor Lake and Thunder Bay, MediaTek MT8188 and MT8365, Microchip FPGAs, nVidia Tegra 241 and Samsung Exynos Auto v9 and 4210" * tag 'spi-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (97 commits) MAINTAINERS: add spi support to GXP spi: dt-bindings: add documentation for hpe,gxp-spifi spi: spi-gxp: Add support for HPE GXP SoCs spi: a3700: support BE for AC5 SPI driver spi/panel: dt-bindings: drop CPHA and CPOL from common properties spi: bcm2835: enable shared interrupt support spi: dt-bindings: spi-controller: correct example indentation spi: dt-bindings: qcom,spi-geni-qcom: allow three interconnects spi: npcm-fiu: Add NPCM8XX support dt-binding: spi: Add npcm845 compatible to npcm-fiu document spi: npcm-fiu: Modify direct read dummy configuration spi: atmel: remove #ifdef CONFIG_{PM, SLEEP} spi: dt-bindings: Add compatible for MediaTek MT8188 spi: dt-bindings: mediatek,spi-mtk-nor: Update bindings for nor flash spi: dt-bindings: atmel,at91rm9200-spi: convert to json-schema spi: tegra20-slink: fix UAF in tegra_slink_remove() spi: Fix simplification of devm_spi_register_controller spi: microchip-core: switch to use dev_err_probe() spi: microchip-core: switch to use devm_spi_alloc_master() spi: microchip-core: fix UAF in mchp_corespi_remove() ...
2022-07-20spi: dt-bindings: qcom,spi-geni-qcom: allow three interconnectsKrzysztof Kozlowski1-1/+4
Recent Qualcomm Geni SPI nodes, e.g. on SM8450, come also with three interconnects. This fixes dtbs_check warnings like: sm8450-qrd.dtb: spi@a98000: interconnects: [[46, 1, 0, 46, 4, 0], [47, 2, 0, 48, 12, 0], [49, 1, 0, 50, 1, 0]] is too long sm8450-qrd.dtb: spi@a98000: interconnect-names: ['qup-core', 'qup-config', 'qup-memory'] is too long Fixes: 5bdcae1fe1c5 ("spi: dt-bindings: qcom,spi-geni-qcom: convert to dtschema") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220720163841.7283-1-krzysztof.kozlowski@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
2022-06-06spi: dt-bindings: Fix unevaluatedProperties warnings in examplesRob Herring1-1/+0
The 'unevaluatedProperties' schema checks is not fully working and doesn't catch some cases where there's a $ref to another schema. A fix is pending, but results in new warnings in examples. 'spi-max-frequency' is supposed to be a per SPI peripheral device property, not a SPI controller property, so drop it. Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20220526014141.2872567-1-robh@kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-26spi: dt-bindings: qcom,spi-geni-qcom: convert to dtschemaKrzysztof Kozlowski1-0/+116
Convert the GENI based Qualcomm Universal Peripheral (QUP) Serial Peripheral Interface (SPI) bindings to DT Schema. The original bindings in TXT were not complete, so add during conversion properties already used in DTS and/or in the driver: dmas, interconnects, operating points and power-domains. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220404064017.68634-1-krzysztof.kozlowski@linaro.org