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2021-08-24arm64: kdump: Remove custom linux,elfcorehdr handlingGeert Uytterhoeven1-53/+0
Remove the architecture-specific code for handling the "linux,elfcorehdr" property under the "/chosen" node in DT, as the platform-agnostic handling in the FDT core code already takes care of this. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/3b8f801f9b92066855e87f3079fafc153ab20f69.1628670468.git.geert+renesas@glider.be
2021-08-24riscv: Remove non-standard linux,elfcorehdr handlingGeert Uytterhoeven1-20/+0
RISC-V uses platform-specific code to locate the elf core header in memory. However, this does not conform to the standard "linux,elfcorehdr" DT bindings, as it relies on a reserved memory node with the "linux,elfcorehdr" compatible value, instead of on a "linux,elfcorehdr" property under the "/chosen" node. The non-compliant code can just be removed, as the standard behavior is already implemented by platform-agnostic handling in the FDT core code. Fixes: 5640975003d0234d ("RISC-V: Add crash kernel support") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/41c75d6ee3114ae6304f8afe0051895af91200ee.1628670468.git.geert+renesas@glider.be
2021-08-24of: fdt: Use IS_ENABLED(CONFIG_BLK_DEV_INITRD) instead of #ifdefGeert Uytterhoeven1-6/+3
Replace the conditional compilation using "#ifdef CONFIG_BLK_DEV_INITRD" by a check for "IS_ENABLED(CONFIG_BLK_DEV_INITRD)", to increase compile coverage and to simplify the code. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/604c13747f09d800da6a7c12f661e1ec146f1dfd.1628670468.git.geert+renesas@glider.be
2021-08-24of: fdt: Add generic support for handling usable memory range propertyGeert Uytterhoeven2-3/+33
Add support for handling the "linux,usable-memory-range" property in the "/chosen" node to the FDT core code. This can co-exist safely with the architecture-specific handling, until the latter has been removed. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/3bd69bada93ee59b7d23c38b3527fc1654e19343.1628670468.git.geert+renesas@glider.be
2021-08-24of: fdt: Add generic support for handling elf core headers propertyGeert Uytterhoeven2-6/+59
There are two methods to specify the location of the elf core headers: using the "elfcorehdr=" kernel parameter, as handled by generic code in kernel/crash_dump.c, or using the "linux,elfcorehdr" property under the "/chosen" node in the Device Tree, as handled by architecture-specific code in arch/arm64/mm/init.c. Extend support for "linux,elfcorehdr" to all platforms supporting DT by adding platform-agnostic handling for handling this property to the FDT core code. This can co-exist safely with the architecture-specific handling, until the latter has been removed. This requires moving the call to of_scan_flat_dt() up, as the code scanning the "/chosen" node now needs to be aware of the values of "#address-cells" and "#size-cells". Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/c7e46e50aaf87ef49bdaa61358d25b122f32b7df.1628670468.git.geert+renesas@glider.be
2021-08-24crash_dump: Make elfcorehdr address/size symbols always visibleGeert Uytterhoeven1-1/+2
Make the forward declarations of elfcorehdr_addr and elfcorehdr_size, and the definitions of ELFCORE_ADDR_MAX and ELFCORE_ADDR_ERR always available, like is done for phys_initrd_start and phys_initrd_size. Code referring to these symbols can then just check for IS_ENABLED(CONFIG_CRASH_DUMP), instead of requiring conditional compilation using an #ifdef, thus preparing to increase compile coverage. Suggested-by: Rob Herring <robh+dt@kernel.org> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/ba965ca613c0cc82c1ec2fe353ee34fb13b36474.1628670468.git.geert+renesas@glider.be
2021-08-24dt-bindings: memory: convert Samsung Exynos DMC to dtschemaKrzysztof Kozlowski3-85/+138
Convert Samsung Exynos5422 SoC frequency and voltage scaling for Dynamic Memory Controller to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lore.kernel.org/r/20210820150353.161161-3-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-24dt-bindings: devfreq: event: convert Samsung Exynos PPMU to dtschemaKrzysztof Kozlowski2-169/+169
Convert Samsung Exynos PPMU bindings to DT schema format using json-schema. The example is quite different due to the nature of dtschema examples parsing (no overriding via-label allowed). New bindings contain copied description from previous bindings document, therefore the license is set as GPL-2.0-only. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210820150353.161161-2-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-24dt-bindings: devfreq: event: convert Samsung Exynos NoCP to dtschemaKrzysztof Kozlowski2-26/+48
Convert Samsung Exynos NoC Probe bindings to DT schema format using json-schema. New bindings contain copied description from previous bindings document, therefore the license is set as GPL-2.0-only. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210820150353.161161-1-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-23kbuild: Enable dtc 'pci_device_reg' warning by defaultRob Herring1-2/+1
There's only a couple of instances of the 'pci_device_reg' warnings left and they look legit, so let's enable the warning by default. Cc: Heiko Stuebner <heiko@sntech.de> Cc: Nicolas Saenz Julienne <nsaenz@kernel.org> Cc: soc@kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210820165011.3257112-1-robh@kernel.org/
2021-08-23dt-bindings: soc: remove obsolete zte zx headerZenghui Yu1-24/+0
The zte zx platform had been removed in commit 89d4f98ae90d ("ARM: remove zte zx platform"), so this header is no longer needed. Cc: Arnd Bergmann <arnd@arndb.de> Cc: Jun Nie <jun.nie@linaro.org> Cc: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Link: https://lore.kernel.org/r/20210821030924.192-2-yuzenghui@huawei.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-23dt-bindings: clock: remove obsolete zte zx headerZenghui Yu1-164/+0
The zx296718-clkc driver had been removed in commit bcbe6005eb18 ("clk: remove zte zx driver"), so this header is no longer needed. Cc: Arnd Bergmann <arnd@arndb.de> Cc: Jun Nie <jun.nie@linaro.org> Cc: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Link: https://lore.kernel.org/r/20210821030924.192-1-yuzenghui@huawei.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-23of: Don't allow __of_attached_node_sysfs() without CONFIG_SYSFSMarc Zyngier1-1/+1
Trying to boot without SYSFS, but with OF_DYNAMIC quickly results in a crash: [ 0.088460] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000070 [...] [ 0.103927] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.14.0-rc3 #4179 [ 0.105810] Hardware name: linux,dummy-virt (DT) [ 0.107147] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) [ 0.108876] pc : kernfs_find_and_get_ns+0x3c/0x7c [ 0.110244] lr : kernfs_find_and_get_ns+0x3c/0x7c [...] [ 0.134087] Call trace: [ 0.134800] kernfs_find_and_get_ns+0x3c/0x7c [ 0.136054] safe_name+0x4c/0xd0 [ 0.136994] __of_attach_node_sysfs+0xf8/0x124 [ 0.138287] of_core_init+0x90/0xfc [ 0.139296] driver_init+0x30/0x4c [ 0.140283] kernel_init_freeable+0x160/0x1b8 [ 0.141543] kernel_init+0x30/0x140 [ 0.142561] ret_from_fork+0x10/0x18 While not having sysfs isn't a very common option these days, it is still expected that such configuration would work. Paper over it by bailing out from __of_attach_node_sysfs() if CONFIG_SYSFS isn't enabled. Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210820144722.169226-1-maz@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-23dt-bindings: memory: convert H8/300 bus controller to dtschemaKrzysztof Kozlowski2-12/+35
Convert H8/300 bus controller bindings to DT schema format using json-schema. The conversion also extends the bindings to match what is really used in existing devicetree sources (the original file mentions only "renesas,h8300-bsc" but "renesas,h8300h-bsc" and "renesas,h8s-bsc" are used with it). Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210818202953.16862-1-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-20dt-bindings: Output yamllint warnings to stderrRob Herring1-1/+1
yamllint warnings go to stdout which means on a quiet build no warnings are output. Fix this and redirect the yamllint output to stderr. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210820000047.1667819-1-robh@kernel.org
2021-08-20dt-bindings: eeprom-93xx46: Convert to json schemaAswath Govindraju2-29/+70
Convert eeprom-93xx46 binding documentation from txt to yaml format Signed-off-by: Aswath Govindraju <a-govindraju@ti.com> Link: https://lore.kernel.org/r/20210818105626.31800-1-a-govindraju@ti.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-18dt-bindings: PCI: faraday,ftpci100: Fix 'contains' schema usageRob Herring1-3/+1
The 'contains' keyword applies to elements within an array, so using 'items' only makes sense if the elements of the array are another array which is not the case for 'compatible' properties. Looking at the driver, it seems the intent was the condition should be true when 'faraday,ftpci100' is present, so we can drop 'cortina,gemini-pci'. Fixes: 2720b991337d ("dt-bindings: PCI: ftpci100: convert faraday,ftpci100 to YAML") Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: linux-pci@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20210817174743.541353-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-18dt-bindings: memory: convert TI a8xx DDR2/mDDR memory controller to dtschemaKrzysztof Kozlowski2-20/+35
Convert Texas Instruments da8xx DDR2/mDDR memory controller bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210818113248.85084-1-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-18dt-bindings: memory: convert Synopsys IntelliDDR memory controller to dtschemaKrzysztof Kozlowski2-32/+73
Convert Synopsys IntelliDDR Multi Protocol memory controller (present in Xilinx Zynq and ZynqMP) bindings to DT schema format using json-schema. New binding contains copied parts of description from previous binding document, therefore the license is set as GPL-2.0-only. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210818113139.84869-1-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-18MAINTAINERS: EDAC/armada_xp: include dt-bindingsKrzysztof Kozlowski1-0/+1
Include dt-bindings for Marvell Armada XP SDRAM in the EDAC-ARMADA entry. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210817093807.59531-2-krzysztof.kozlowski@canonical.com
2021-08-18dt-bindings: memory: convert Marvell MVEBU SDRAM controller to dtschemaKrzysztof Kozlowski2-21/+31
Convert Marvell MVEBU SDRAM controller bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210817093807.59531-1-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-18dt-bindings: memory: convert Broadcom DPFE to dtschemaKrzysztof Kozlowski3-28/+49
Convert Broadcom DDR PHY Front End (DPFE) bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Markus Mayer <mmayer@broadcom.com> Link: https://lore.kernel.org/r/20210817080617.14503-1-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-18of: property: fw_devlink: Add support for "phy-handle" propertySaravana Kannan1-0/+2
Allows tracking dependencies between Ethernet PHYs and their consumers. Cc: Andrew Lunn <andrew@lunn.ch> Cc: netdev@vger.kernel.org Signed-off-by: Saravana Kannan <saravanak@google.com> Link: https://lore.kernel.org/r/20210818021717.3268255-1-saravanak@google.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-17of: property: fw_devlink: Add support for "leds" and "backlight"Saravana Kannan1-0/+4
Allows tracking dependencies between leds/backlights devices and their consumers. Signed-off-by: Saravana Kannan <saravanak@google.com> Link: https://lore.kernel.org/r/20210814023132.2729731-2-saravanak@google.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-17dt-bindings: memory: convert Qualcomm Atheros DDR to dtschemaKrzysztof Kozlowski2-35/+61
Convert Qualcomm Atheros AR7xxx/AR9xxx DDR controller to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210813143537.130310-1-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-17dt-bindings: rng: convert Samsung Exynos TRNG to dtschemaKrzysztof Kozlowski3-18/+45
Convert Samsung Exynos SoC True Random Number Generator bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210811084306.28740-2-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-17dt-bindings: irqchip: convert Samsung Exynos IRQ combiner to dtschemaKrzysztof Kozlowski2-50/+96
Convert Samsung Exynos SoC Interrupt Combiner Controller bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210811084306.28740-1-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-17dt-bindings: ata: drop unused Exynos SATA bindingsKrzysztof Kozlowski1-30/+0
The Samsung Exynos SoC SATA bindings are not implemented in the kernel, not used and superseded by generic Documentation/devicetree/bindings/ata/ahci-platform.txt bindings. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210811083859.28234-1-krzysztof.kozlowski@canonical.com Signed-off-by: Rob Herring <robh@kernel.org>
2021-08-17dt-bindings: net: renesas,etheravb: Drop "int_" prefix and "_n" suffix from interrupt namesBiju Das1-2/+2
This patch updates interrupt-names with dropping "int_" prefix and "_n" suffix. Fixes: 1dbd981fcf2a ("dt-bindings: net: renesas,etheravb: Document Gigabit Ethernet IP") Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20210815133926.22860-1-biju.das.jz@bp.renesas.com Signed-off-by: Rob Herring <robh@kernel.org>