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* Merge tag 'tty-5.5-rc1' of ↵Linus Torvalds2019-12-033-4/+10
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial updates from Greg KH: "Here is the "big" tty and serial driver patches for 5.5-rc1. It's a bit later in the merge window than normal as I wanted to make sure some last-minute patches applied to it were all sane. They seem to be :) There's a lot of little stuff in here, for the tty core, and for lots of serial drivers: - reverts of uartlite serial driver patches that were wrong - msm-serial driver fixes - serial core updates and fixes - tty core fixes - serial driver dma mapping api changes - lots of other tiny fixes and updates for serial drivers All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (58 commits) Revert "serial/8250: Add support for NI-Serial PXI/PXIe+485 devices" vcs: prevent write access to vcsu devices tty: vt: keyboard: reject invalid keycodes tty: don't crash in tty_init_dev when missing tty_port serial: stm32: fix clearing interrupt error flags tty: Fix Kconfig indentation, continued serial: serial_core: Perform NULL checks for break_ctl ops tty: remove unused argument from tty_open_by_driver() tty: Fix Kconfig indentation {tty: serial, nand: onenand}: samsung: rename to fix build warning serial: ifx6x60: add missed pm_runtime_disable serial: pl011: Fix DMA ->flush_buffer() Revert "serial-uartlite: Move the uart register" Revert "serial-uartlite: Add get serial id if not provided" Revert "serial-uartlite: Do not use static struct uart_driver out of probe()" Revert "serial-uartlite: Add runtime support" Revert "serial-uartlite: Change logic how console_port is setup" Revert "serial-uartlite: Use allocated structure instead of static ones" tty: serial: msm_serial: Use dma_request_chan() directly for channel request tty: serial: tegra: Use dma_request_chan() directly for channel request ...
| * dt-bindings: serial: sh-sci: Document r8a77961 bindingsGeert Uytterhoeven2019-11-041-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Document support for the SCIF and HSCIF serial ports in the Renesas R-Car M3-W+ (R8A77961) SoC. Update all references to R-Car M3-W from "r8a7796" to "r8a77960", to avoid confusion between R-Car M3-W (R8A77960) and M3-W+. No driver update is needed. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20191023123010.12501-1-geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * dt-bindings: serial: lpuart: Drop unsupported RS485 bindingsAndrey Smirnov2019-11-041-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | LPUART driver does not support 'rs485-rts-delay' or 'rs485-rx-during-tx' properties. Remove them. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Cc: Stefan Agner <stefan@agner.ch> Cc: Chris Healy <cphealy@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.com> Cc: linux-imx@nxp.com Cc: linux-serial@vger.kernel.org Cc: linux-kernel@vger.kernel.org Link: https://lore.kernel.org/r/20191022044940.15119-1-andrew.smirnov@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * Merge 5.4-rc3 into tty-nextGreg Kroah-Hartman2019-10-141-0/+2
| |\ | | | | | | | | | | | | | | | We need the tty/serial fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | dt-bindings: serial: 8250: Add aspeed,sirq-polarity-sense.Oskar Senft2019-10-041-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add documentation for 8250_aspeed_vuart's aspeed,sirq-polarity-sense property that enables to auto-configure the VUART's SIRQ polarity. Signed-off-by: Oskar Senft <osk@google.com> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20190905144130.220713-2-osk@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | | Merge tag 'devicetree-for-5.5' of ↵Linus Torvalds2019-12-024-90/+190
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull Devicetree updates from Rob Herring: - DT schemas for PWM, syscon, power domains, SRAM, syscon-reboot, syscon-poweroff, renesas-irqc, simple-pm-bus, renesas-bsc, pwm-rcar, Renesas tpu, at24 eeprom, rtc-sh, Allwinner PS/2, sharp,ld-d5116z01b panel, Arm SMMU, max77650, Meson CEC, Amlogic canvas and DWC3 glue, Allwinner A10 mUSB and CAN, TI Davinci MDIO, QCom QCS404 interconnect, Unisoc/Spreadtrum SoCs and UART - Convert a bunch of Samsung bindings to DT schema - Convert a bunch of ST stm32 bindings to DT schema - Realtek and Exynos additions to Arm Mali bindings - Fix schema errors in RiscV CPU schema - Various schema fixes from improved meta-schema checks - Improve the handling of 'dma-ranges' and in particular fix DMA mask setup on PCI bridges - Fix a memory leak in add_changeset_property() and DT unit tests. - Several documentation improvements for schema validation - Rework build rules to improve schema validation errors - Color output for dtx_diff * tag 'devicetree-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (138 commits) libfdt: define INT32_MAX and UINT32_MAX in libfdt_env.h dt-bindings: arm: Remove leftover axentia.txt of: unittest: fix memory leak in attach_node_and_children of: overlay: add_changeset_property() memory leak dt-bindings: interrupt-controller: arm,gic-v3: Add missing type to interrupt-partition-* nodes dt-bindings: firmware: ixp4xx: Drop redundant minItems/maxItems dt-bindings: power: Rename back power_domain.txt bindings to fix references dt-bindings: i2c: stm32: Migrate i2c-stm32 documentation to yaml dt-bindings: mtd: Convert stm32 fmc2-nand bindings to json-schema dt-bindings: remoteproc: convert stm32-rproc to json-schema dt-bindings: mailbox: convert stm32-ipcc to json-schema dt-bindings: mfd: Convert stm32 low power timers bindings to json-schema dt-bindings: interrupt-controller: Convert stm32-exti to json-schema dt-bindings: crypto: Convert stm32 HASH bindings to json-schema dt-bindings: rng: Convert stm32 RNG bindings to json-schema dt-bindings: pwm: Convert Samsung PWM bindings to json-schema dt-bindings: pwm: Convert PWM bindings to json-schema dt-bindings: serial: Add a new compatible string for SC9863A dt-bindings: serial: Convert sprd-uart to json-schema dt-bindings: arm: Add bindings for Unisoc SC9863A ...
| * | dt-bindings: serial: Add a new compatible string for SC9863AChunyan Zhang2019-11-151-0/+1
| | | | | | | | | | | | | | | | | | | | | SC9863A use the same serial device which SC9836 uses. Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com> Signed-off-by: Rob Herring <robh@kernel.org>
| * | dt-bindings: serial: Convert sprd-uart to json-schemaChunyan Zhang2019-11-152-32/+71
| | | | | | | | | | | | | | | | | | | | | | | | Convert the sprd-uart binding to DT schema using json-schema. Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com> [robh: dual license GPL/BSD] Signed-off-by: Rob Herring <robh@kernel.org>
| * | dt-bindings: serial: Convert Samsung UART bindings to json-schemaKrzysztof Kozlowski2019-11-052-58/+118
| |/ | | | | | | | | | | | | | | Convert Samsung S3C/S5P/Exynos Serial/UART bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
* / dt-bindings: serial: sh-sci: Document r8a774b1 bindingsBiju Das2019-10-041-0/+2
|/ | | | | | | | | | | RZ/G2N (R8A774B1) SoC also has the R-Car Gen3 compatible SCIF and HSCIF ports, so document the SoC specific bindings. Signed-off-by: Biju Das <biju.das@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1568724324-26995-1-git-send-email-biju.das@bp.renesas.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge tag 'devicetree-for-5.4' of ↵Linus Torvalds2019-09-192-38/+73
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull Devicetree updates from Rob Herring: - a bunch of DT binding conversions to DT schema format - clean-ups of the Arm idle-states binding - support a default number of cells in of_for_each_phandle() when the cells name is missing - expose dtbs_check and dt_binding_check in the make help - convert writting-schema.md to ReST - HiSilicon reset controller binding updates - add documentation for MT8516 RNG * tag 'devicetree-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (46 commits) of: restore old handling of cells_name=NULL in of_*_phandle_with_args() bus: qcom: fix spelling mistake "ambigous" -> "ambiguous" of: Let of_for_each_phandle fallback to non-negative cell_count iommu: pass cell_count = -1 to of_for_each_phandle with cells_name dt-bindings: arm: Convert Realtek board/soc bindings to json-schema dt-bindings: arm: Convert Actions Semi bindings to jsonschema dt-bindings: Correct spelling in example schema dt-bindings: cpu: Add a support cpu type for cortex-a55 dt-bindings: gpu: mali-midgard: Add samsung exynos5250 compatible dt-bindings: arm: idle-states: Move exit-latency-us explanation dt-bindings: arm: idle-states: Add punctuation to improve readability dt-bindings: arm: idle-states: Correct "constraint guarantees" dt-bindings: arm: idle-states: Correct references to wake-up delay dt-bindings: arm: idle-states: Use "e.g." and "i.e." consistently pinctrl-mcp23s08: Fix property-name in dt-example dt-bindings: Clarify interrupts-extended usage dt-bindings: Convert Arm Mali Utgard GPU to DT schema dt-bindings: Convert Arm Mali Bifrost GPU to DT schema dt-bindings: Convert Arm Mali Midgard GPU to DT schema dt-bindings: irq: Convert Allwinner NMI Controller to a schema ...
| * dt-bindings: serial: meson-uart: convert to yamlNeil Armstrong2019-08-132-38/+73
| | | | | | | | | | | | | | | | | | | | Now that we have the DT validation in place, let's convert the device tree bindings for the Amlogic UART Serial controller over to a YAML schemas. Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Rob Herring <robh@kernel.org>
* | Merge tag 'tty-5.4-rc1' of ↵Linus Torvalds2019-09-185-34/+127
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver updates from Greg KH: "Even in this age, people are still making new serial port silicon, why... Anyway, here's the TTY and Serial driver update for 5.4-rc1. Lots of changes in here for a number of embedded serial port devices that are being worked on because people really like to see those console logs... Other than that, nothing major here, no core tty changes that anyone should care about. All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (125 commits) serial: tegra: Add PIO mode support serial: tegra: report clk rate errors serial: tegra: add support to adjust baud rate serial: tegra: DT for Adjusted baud rates serial: tegra: add support to use 8 bytes trigger serial: tegra: set maximum num of uart ports to 8 serial: tegra: check for FIFO mode enabled status dt-binding: serial: tegra: add new chips serial: tegra: report error to upper tty layer serial: tegra: flush the RX fifo on frame error serial: tegra: avoid reg access when clk disabled serial: tegra: add support to ignore read serial: sprd: correct the wrong sequence of arguments dt-bindings: serial: Convert riscv,sifive-serial to json-schema serial: max310x: turn off transmitter before activating AutoCTS or auto transmitter flow control serial: max310x: Properly set flags in AutoCTS mode tty: serial: fix platform_no_drv_owner.cocci warnings dt-bindings: serial: Document Freescale LINFlexD UART serial: fsl_linflexuart: Update compatible string tty: n_gsm: avoid recursive locking with async port hangup ...
| * | serial: tegra: DT for Adjusted baud ratesKrishna Yarlagadda2019-09-051-0/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Tegra186 chip has a hardware issue resulting in frame errors when tolerance level for baud rate is negative. Provided entries to adjust baud rate to be within acceptable range and work with devices that can send negative baud rate. Also report error when baud rate set is out of tolerance range of controller updated in device tree. Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com> Link: https://lore.kernel.org/r/1567572187-29820-10-git-send-email-kyarlagadda@nvidia.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | dt-binding: serial: tegra: add new chipsKrishna Yarlagadda2019-09-051-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add new compatible string for Tegra186. It differs from earlier chips as it has FIFO mode enable check and 8 byte DMA buffer. Add new compatible string for Tegra194. Tegra194 has different error tolerance levels for baud rate compared to older chips. Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com> Link: https://lore.kernel.org/r/1567572187-29820-6-git-send-email-kyarlagadda@nvidia.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | dt-bindings: serial: Convert riscv,sifive-serial to json-schemaPragnesh Patel2019-09-052-33/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | Convert the riscv,sifive-serial binding to DT schema using json-schema. Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1567592383-8920-1-git-send-email-pragnesh.patel@sifive.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | dt-bindings: serial: Document Freescale LINFlexD UARTStoica Cosmin-Stefan2019-09-041-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add documentation for the serial communication interface module (LINFlexD), found in two instances on S32V234. Signed-off-by: Stoica Cosmin-Stefan <cosmin.stoica@nxp.com> Signed-off-by: Larisa Grigore <Larisa.Grigore@nxp.com> Signed-off-by: Stefan-Gabriel Mirea <stefan-gabriel.mirea@nxp.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20190823191115.18490-7-stefan-gabriel.mirea@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | dt-bindings: serial: stm32: add wakeup optionErwan Le Ray2019-09-041-0/+5
| |/ | | | | | | | | | | | | | | | | | | | | Add a note for enabling wakeup capabilities of usart Signed-off-by: Bich Hemon <bich.hemon@st.com> Signed-off-by: Erwan Le Ray <erwan.leray@st.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1560433800-12255-2-git-send-email-erwan.leray@st.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge tag 'imx-bindings-5.4' of ↵Arnd Bergmann2019-09-031-1/+4
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt i.MX DT bindings update for 5.4 - Add SoC bindings for i.MX8MN. - Add board bindings for pico-pi-imx8m, Hummingboard Pulse, imx8mq nitrogen, i.MX8QXP AI_ML, ls1046a-frwy etc. - Add vendor prefix for Anvo-Systems and Einfochips. - Update LPUART bindings for i.MX8QXP clock requirement. - Update imx-weim bindings for optional burst clock mode support. - Update EEPROM bindings for Anvo ANV32E61W device support. * tag 'imx-bindings-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: dt-bindings: arm: fsl: Add Kontron i.MX6UL N6310 compatibles dt-bindings: eeprom: at25: Add Anvo ANV32E61W dt-bindings: vendor-prefixes: Add Anvo-Systems dt-bindings: arm: fsl: add Hummingboard Pulse dt-bindings: arm: imx: add imx8mq nitrogen support dt-bindings: fsl: dspi: Add fsl,ls1088a-dspi compatible string dt-bindings: arm: imx: Add the soc binding for i.MX8MN dt-bindings: bus: imx-weim: document optional burst clock mode dt-bindings: arm: fsl: Add the pico-pi-imx8m board dt-bindings: arm: Document i.MX8QXP AI_ML board binding dt-bindings: Add Vendor prefix for Einfochips dt-bindings: arm: nxp: Add device tree binding for ls1046a-frwy board dt-bindings: serial: lpuart: add the clock requirement for imx8qxp dt-bindings: arm: fsl: Add support for ZII i.MX7 RMU2 board Link: https://lore.kernel.org/r/20190825153237.28829-3-shawnguo@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| * | dt-bindings: serial: lpuart: add the clock requirement for imx8qxpFugang Duan2019-07-231-1/+4
| |/ | | | | | | | | | | | | | | Add the baud clock requirement for imx8qxp. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
* / dt-bindings: mtk-uart: add mt6779 uart bindingsMars Cheng2019-08-231-0/+1
|/ | | | | | | Add documentation for mt6779 uart dt-bindings Signed-off-by: Mars Cheng <mars.cheng@mediatek.com> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
* Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds2019-07-191-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ARM Devicetree updates from Olof Johansson: "We continue to see a lot of new material. I've highlighted some of it below, but there's been more beyond that as well. One of the sweeping changes is that many boards have seen their ARM Mali GPU devices added to device trees, since the DRM drivers have now been merged. So, with the caveat that I have surely missed several great contributions, here's a collection of the material this time around: New SoCs: - Mediatek mt8183 (4x Cortex-A73 + 4x Cortex-A53) - TI J721E (2x Cortex-A72 + 3x Cortex-R5F + 3 DSPs + MMA) - Amlogic G12B (4x Cortex-A73 + 2x Cortex-A53) New Boards / platforms: - Aspeed BMC support for a number of new server platforms - Kontron SMARC SoM (several i.MX6 versions) - Novtech's Meerkat96 (i.MX7) - ST Micro Avenger96 board - Hardkernel ODROID-N2 (Amlogic G12B) - Purism Librem5 devkit (i.MX8MQ) - Google Cheza (Qualcomm SDM845) - Qualcomm Dragonboard 845c (Qualcomm SDM845) - Hugsun X99 TV Box (Rockchip RK3399) - Khadas Edge/Edge-V/Captain (Rockchip RK3399) Updated / expanded boards and platforms: - Renesas r7s9210 has a lot of new peripherals added - Fixes and polish for Rockchip-based Chromebooks - Amlogic G12A has a lot of peripherals added - Nvidia Jetson Nano sees various fixes and improvements, and is now at feature parity with TX1" * tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (586 commits) ARM: dts: gemini: Set DIR-685 SPI CS as active low ARM: dts: exynos: Adjust buck[78] regulators to supported values on Arndale Octa ARM: dts: exynos: Adjust buck[78] regulators to supported values on Odroid XU3 family ARM: dts: exynos: Move Mali400 GPU node to "/soc" ARM: dts: exynos: Fix imprecise abort on Mali GPU probe on Exynos4210 arm64: dts: qcom: qcs404: Add missing space for cooling-cells property arm64: dts: rockchip: Fix USB3 Type-C on rk3399-sapphire arm64: dts: rockchip: Update DWC3 modules on RK3399 SoCs arm64: dts: rockchip: enable rk3328 watchdog clock ARM: dts: rockchip: add display nodes for rk322x ARM: dts: rockchip: fix vop iommu-cells on rk322x arm64: dts: rockchip: Add support for Hugsun X99 TV Box arm64: dts: rockchip: Define values for the IPA governor for rock960 arm64: dts: rockchip: Fix multiple thermal zones conflict in rk3399.dtsi arm64: dts: rockchip: add core dtsi file for RK3399Pro SoCs arm64: dts: rockchip: improve rk3328-roc-cc rgmii performance. Revert "ARM: dts: rockchip: set PWM delay backlight settings for Minnie" ARM: dts: rockchip: Configure BT_DEV_WAKE in on rk3288-veyron arm64: dts: qcom: sdm845-cheza: add initial cheza dt ARM: dts: msm8974-FP2: Add vibration motor ...
| * dt-bindings: serial: 8250_omap: Add compatible for J721E UART controllerNishanth Menon2019-06-191-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | J721e uses a UART controller that is compatible with AM654 UART. Introduce a specific compatible to help handle the differences if necessary. Cc: Sekhar Nori <nsekhar@ti.com> Cc: Vignesh R <vigneshr@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Tero Kristo <t-kristo@ti.com>
* | Merge tag 'devicetree-for-5.3' of ↵Linus Torvalds2019-07-112-2/+12
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull Devicetree updates from Rob Herring: - DT binding schema examples are now validated against the schemas. Various examples are fixed due to that. - Sync dtc with upstream version v1.5.0-30-g702c1b6c0e73 - Initial schemas for networking bindings. This includes ethernet, phy and mdio common bindings with several Allwinner and stmmac converted to the schema. - Conversion of more Arm top-level SoC/board bindings to DT schema - Conversion of PSCI binding to DT schema - Rework Arm CPU schema to coexist with other CPU schemas - Add a bunch of missing vendor prefixes and new ones for SoChip, Sipeed, Kontron, B&R Industrial Automation GmbH, and Espressif - Add Mediatek UART RX wakeup support to binding - Add reset to ST UART binding - Remove some Linuxisms from the endianness common-properties.txt binding - Make the flattened DT read-only after init - Ignore disabled reserved memory nodes - Clean-up some dead code in FDT functions * tag 'devicetree-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (56 commits) dt-bindings: vendor-prefixes: add Sipeed dt-bindings: vendor-prefixes: add SoChip dt-bindings: 83xx-512x-pci: Drop cell-index property dt-bindings: serial: add documentation for Rx in-band wakeup support dt-bindings: arm: Convert RDA Micro board/soc bindings to json-schema of: unittest: simplify getting the adapter of a client of/fdt: pass early_init_dt_reserve_memory_arch() with bool type nomap of/platform: Drop superfluous cast in of_device_make_bus_id() dt-bindings: usb: ehci: Fix example warnings dt-bindings: net: Use phy-mode instead of phy-connection-type dt-bindings: simple-framebuffer: Add requirement for pipelines dt-bindings: display: Fix simple-framebuffer example dt-bindings: net: mdio: Add child nodes dt-bindings: net: mdio: Add address and size cells dt-bindings: net: mdio: Add a nodename pattern dt-bindings: mtd: sunxi-nand: Drop 'maxItems' from child 'reg' property dt-bindings: arm: Limit cpus schema to only check Arm 'cpu' nodes dt-bindings: backlight: lm3630a: correct schema validation dt-bindings: net: dwmac: Deprecate the PHY reset properties dt-bindings: net: sun8i-emac: Convert the binding to a schemas ...
| * | dt-bindings: serial: add documentation for Rx in-band wakeup supportClaire Chang2019-07-091-2/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To support Rx in-band wakeup, one must create an interrupt specifier with edge sensitivity on Rx pin and an addtional pinctrl to reconfigure Rx pin to normal GPIO in sleep state. Driver will switch to sleep mode pinctrl and enable irq wake before suspend and restore to default settings when resuming. Signed-off-by: Claire Chang <tientzu@chromium.org> Signed-off-by: Rob Herring <robh@kernel.org>
| * | dt-bindings: stm32: serial: Add optional resetErwan Le Ray2019-06-141-0/+1
| |/ | | | | | | | | | | | | | | STM32 serial can be reset via reset controller. Add an optional reset property to stm32 usart bindings. Signed-off-by: Erwan Le Ray <erwan.leray@st.com> Signed-off-by: Rob Herring <robh@kernel.org>
* / tty/serial/8250: use mctrl_gpio helpersYegor Yefremov2019-06-211-0/+19
|/ | | | | | | | | | | | | | | | | | | | | | | | This patch permits the usage for GPIOs to control the CTS/RTS/DTR/DSR/DCD/RI signals. Changed by Stefan: Only call mctrl_gpio_init(), if the device has no ACPI companion device to not break existing ACPI based systems. Also only use the mctrl_gpio_ functions when "gpios" is available. Use MSR / MCR <-> TIOCM wrapper functions. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Stefan Roese <sr@denx.de> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Tested-by: Yegor Yefremov <yegorslists@googlemail.com> Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Giulio Benetti <giulio.benetti@micronovasrl.com> Cc: Yegor Yefremov <yegorslists@googlemail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds2019-05-161-1/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ARM Device-tree updates from Olof Johansson: "Besides new bindings and additional descriptions of hardware blocks for various SoCs and boards, the main new contents here is: SoCs: - Intel Agilex (SoCFPGA) - NXP i.MX8MM (Quad Cortex-A53 with media/graphics focus) New boards: - Allwinner: + RerVision H3-DVK (H3) + Oceanic 5205 5inMFD (H6) + Beelink GS2 (H6) + Orange Pi 3 (H6) - Rockchip: + Orange Pi RK3399 + Nanopi NEO4 + Veyron-Mighty Chromebook variant - Amlogic: + SEI Robotics SEI510 - ST Micro: + stm32mp157a discovery1 + stm32mp157c discovery2 - NXP: + Eckelmann ci4x10 (i.MX6DL) + i.MX8MM EVK (i.MX8MM) + ZII i.MX7 RPU2 (i.MX7) + ZII SPB4 (VF610) + Zii Ultra (i.MX8M) + TQ TQMa7S (i.MX7Solo) + TQ TQMa7D (i.MX7Dual) + Kobo Aura (i.MX50) + Menlosystems M53 (i.MX53)j - Nvidia: + Jetson Nano (Tegra T210)" * tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (593 commits) arm64: dts: bitmain: Add UART pinctrl support for Sophon Edge arm64: dts: bitmain: Add pinctrl support for BM1880 SoC arm64: dts: bitmain: Add GPIO Line names for Sophon Edge board arm64: dts: bitmain: Add GPIO support for BM1880 SoC ARM: dts: gemini: Indent DIR-685 partition table dt-bindings: hwmon (pwm-fan) Remove dead "cooling-*-state" properties ARM: dts: qcom-apq8064: Set 'cxo_board' as ref clock of the DSI PHY arm64: dts: msm8998: thermal: Restrict thermal zone name length to under 20 arm64: dts: msm8998: thermal: Fix number of supported sensors arm64: dts: msm8998-mtp: thermal: Remove skin and battery thermal zones arm64: dts: exynos: Move fixed-clocks out of soc arm64: dts: exynos: Move pmu and timer nodes out of soc ARM: dts: s5pv210: Fix camera clock provider on Goni board ARM: dts: exynos: Properly override node to use MDMA0 on Universal C210 ARM: dts: exynos: Move fixed-clocks out of soc on Exynos3250 ARM: dts: exynos: Remove unneeded address/size cells from fixed-clock on Exynos3250 ARM: dts: exynos: Move pmu and timer nodes out of soc arm64: dts: rockchip: fix IO domain voltage setting of APIO5 on rockpro64 arm64: dts: db820c: Add sound card support arm64: dts: apq8096-db820c: Add HDMI display support ...
| * Merge tag 'v5.1-next-dts64' of ↵Olof Johansson2019-04-281-1/+3
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/dt mt8173: - use assinged-clocks and assigned-clock-parents - fix compatible for SoC to a72 - add pmu nodes mt8183: - add sysirq binding - add pinctrl dt header file mt7629: - update bindings description fo sysirq, uart and scpsys mt8516: - add binding description for watchdog, timer, uart and sysirq * tag 'v5.1-next-dts64' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux: arm64: dts: mt8173: add pmu nodes for mt8173 arm64: dts: mt8173: correct cpu type of cpu2 and cpu3 to cortex-a72 dt-bindings: irq: mtk,sysirq: add support for MT8516 dt-bindings: serial: mtk-uart: add support for MT8516 dt-bindings: timer: mtk-timer: add support for MT8516 dt-bindings: wdog: mtk-wdt: add support for MT851 dt-bindings: soc: fix a typo for MT7623A dt-bindings: mediatek: update bindings for MT7629 SoC arm64: dts: mt8183: add pinctrl file dt-bindings: mtk-sysirq: Add compatible for Mediatek MT8183 arm64: dts: Using standard CCF interface to set vcodec clk Signed-off-by: Olof Johansson <olof@lixom.net>
| | * dt-bindings: serial: mtk-uart: add support for MT8516Fabien Parent2019-04-161-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Add binding documentation of mtk-uart for MT8516 SoC. Signed-off-by: Fabien Parent <fparent@baylibre.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
| | * dt-bindings: mediatek: update bindings for MT7629 SoCRyder Lee2019-04-151-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This updates bindings for MT7629 SoC, which includes very basic items such as system timer, UART, sysirq and scpsys unit. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
* | | dt-bindings: serial: add documentation for the SiFive UART driverPaul Walmsley2019-04-291-0/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add DT binding documentation for the Linux driver for the SiFive asynchronous serial IP block. This revision incorporates changes based on feedback from Rob Herring <robh@kernel.org>. Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: linux-serial@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Palmer Dabbelt <palmer@sifive.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | | dt-bindings: xilinx-uartps: Add support for cts-overrideShubhrajyoti Datta2019-04-291-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Flow control is configurable in xilinx-uartps Add a dt binding to check for the same. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | | Merge 5.1-rc3 into tty-nextGreg Kroah-Hartman2019-04-011-0/+1
|\| | | | | | | | | | | | | | | | | We want the tty/serial fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | dt-bindings: serial: Add compatible for Mediatek MT8183Erin Lo2019-03-281-0/+1
| |/ | | | | | | | | | | | | | | | | | | This adds dt-binding documentation of uart for Mediatek MT8183 SoC Platform. Signed-off-by: Erin Lo <erin.lo@mediatek.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | dt-bindings: sc16is7xx: Add alternative clock-frequency propertyAndy Shevchenko2019-03-281-0/+2
| | | | | | | | | | | | | | | | | | | | For the platforms which have no clock provider for the sc16is7xx type of UART, introduce an alternative clock-frequency property which would be used instead. Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | dt-bindings: serial: sprd: Add dma properties to support DMA modeLanqing Liu2019-03-281-0/+6
| | | | | | | | | | | | | | | | | | This patch adds dmas and dma-names properties for the UART DMA mode. Signed-off-by: Lanqing Liu <lanqing.liu@unisoc.com> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | dt-bindings: serial: sprd: Add clocks and clocks-names propertiesLanqing Liu2019-03-281-2/+9
|/ | | | | | | | | | This patch adds clocks and clocks-names properties, which are used to do power management for our UART driver. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Lanqing Liu <lanqing.liu@unisoc.com> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* dt-bindings: serial: Add Milbeaut serial driver descriptionSugaya Taichi2019-02-261-0/+21
| | | | | | | | Add DT bindings document for Milbeaut serial driver. Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* dt-bindings: serial: Add bindings for nvidia,tegra194-tcuMikko Perttunen2019-01-301-0/+35
| | | | | | | | | | | | Add bindings for the Tegra Combined UART device used to talk to the UART console on Tegra194 systems. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Jon Hunter <jonathanh@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Dt-bindings: Serial: Add X1000 serial bindings.Zhou Yanjie2019-01-301-1/+2
| | | | | | | Add the serial bindings for the X1000 Soc from Ingenic. Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* serial: 8250: Add OF support for Xscale variantLinus Walleij2019-01-301-0/+1
| | | | | | | | | | This adds support for device tree probing for the Intel Xscale 8250 variant needed to support device tree on the Intel IXP4xx platforms. Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* dt-bindings: serial: omap_serial: add clocks entryVignesh R2019-01-181-0/+2
| | | | | | | Document clocks property used to pass phandle to functional clk. Signed-off-by: Vignesh R <vigneshr@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* dt-bindings: serial: sh-sci: Document r8a7778/9 HSCIF bindingsUlrich Hecht2019-01-181-0/+2
| | | | | | | | | | | | | Document support for the HSCIF serial ports in the Renesas R-Car M1A (R8A7778) and H1 (R8A7779) SoCs. No driver update is needed. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> [geert: Patch description] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* dt-bindings: serial: Convert arm,pl011 to json-schemaRob Herring2019-01-182-51/+126
| | | | | | | | | | | | | Convert the arm,pl011 binding to DT schema using json-schema. The zte,zx296702-uart binding appears to be broken as the dts files are missing 'arm,primecell'. That's included in the schema here to throw a warning. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-serial@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* dt-bindings: serial: Move renesas,rzn1-uart into the snps-dw-apb-uart bindingRob Herring2019-01-182-10/+5
| | | | | | | | | | | | | The renesas,rzn1-uart binding only differs in compatible string from the snps-dw-apb-uart binding. Move it there, converting it to json-schema in the process. Cc: Phil Edworthy <phil.edworthy@renesas.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-serial@vger.kernel.org Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* dt-bindings: serial: Convert snps,dw-apb-uart to json-schemaRob Herring2019-01-182-76/+135
| | | | | | | | | | | | | Convert the snps,dw-apb-uart binding to DT schema using json-schema. The Rockchip and Broadcom compatible strings were not documented, so add them here. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-serial@vger.kernel.org Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge tag 'armsoc-late' of ↵Linus Torvalds2019-01-051-0/+17
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull more ARM SoC updates from Olof Johansson: "A few updates that we merged late but are low risk for regressions for other platforms (and a few other straggling patches): - I mis-tagged the 'drivers' branch, and missed 3 patches. Merged in here. They're for a driver for the PL353 SRAM controller and a build fix for the qualcomm scm driver. - A new platform, RDA Micro RDA8810PL (Cortex-A5 w/ integrated Vivante GPU, 256MB RAM, Wifi). This includes some acked platform-specific drivers (serial, etc). This also include DTs for two boards with this SoC, OrangePi 2G and OrangePi i86. - i.MX8 is another new platform (NXP, 4x Cortex-A53 + Cortex-M4, 4K video playback offload). This is the first i.MX 64-bit SoC. - Some minor updates to Samsung boards (adding a few peripherals in DTs). - Small rework for SMP bootup on STi platforms. - A couple of TEE driver fixes. - A couple of new config options (bcm2835 thermal, Uniphier MDMAC) enabled in defconfigs" * tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (27 commits) ARM: multi_v7_defconfig: enable CONFIG_UNIPHIER_MDMAC arm64: defconfig: Re-enable bcm2835-thermal driver MAINTAINERS: Add entry for RDA Micro SoC architecture tty: serial: Add RDA8810PL UART driver ARM: dts: rda8810pl: Add interrupt support for UART dt-bindings: serial: Document RDA Micro UART ARM: dts: rda8810pl: Add timer support ARM: dts: Add devicetree for OrangePi i96 board ARM: dts: Add devicetree for OrangePi 2G IoT board ARM: dts: Add devicetree for RDA8810PL SoC ARM: Prepare RDA8810PL SoC dt-bindings: arm: Document RDA8810PL and reference boards dt-bindings: Add RDA Micro vendor prefix ARM: sti: remove pen_release and boot_lock arm64: dts: exynos: Add Bluetooth chip to TM2(e) boards arm64: dts: imx8mq-evk: enable watchdog arm64: dts: imx8mq: add watchdog devices MAINTAINERS: add i.MX8 DT path to i.MX architecture arm64: add support for i.MX8M EVK board arm64: add basic DTS for i.MX8MQ ...
| * dt-bindings: serial: Document RDA Micro UARTAndreas Färber2018-12-311-0/+17
| | | | | | | | | | | | | | | | | | | | Add an initial binding for the UART in RDA Micro RDA8810PL SoC. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
* | Merge tag 'docs-5.0' of git://git.lwn.net/linuxLinus Torvalds2018-12-291-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull documentation update from Jonathan Corbet: "A fairly normal cycle for documentation stuff. We have a new document on perf security, more Italian translations, more improvements to the memory-management docs, improvements to the pathname lookup documentation, and the usual array of smaller fixes. As is often the case, there are a few reaches outside of Documentation/ to adjust kerneldoc comments" * tag 'docs-5.0' of git://git.lwn.net/linux: (38 commits) docs: improve pathname-lookup document structure configfs: fix wrong name of struct in documentation docs/mm-api: link slab_common.c to "The Slab Cache" section slab: make kmem_cache_create{_usercopy} description proper kernel-doc doc:process: add links where missing docs/core-api: make mm-api.rst more structured x86, boot: documentation whitespace fixup Documentation: devres: note checking needs when converting doc:it: add some process/* translations doc:it: fixes in process/1.Intro Documentation: convert path-lookup from markdown to resturctured text Documentation/admin-guide: update admin-guide index.rst Documentation/admin-guide: introduce perf-security.rst file scripts/kernel-doc: Fix struct and struct field attribute processing Documentation: dev-tools: Fix typos in index.rst Correct gen_init_cpio tool's documentation Document /proc/pid PID reuse behavior Documentation: update path-lookup.md for parallel lookups Documentation: Use "while" instead of "whilst" dmaengine: Add mailing list address to the documentation ...