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7181eb9f81
Remove upstreamed patches: - 000-v5.18-01-dt-bindings-reset-add-dt-binding-header-for-Mediatek.patch - 000-v5.18-02-staging-mt7621-dts-align-resets-with-binding-documen.patch - 001-v5.18-01-dt-bindings-clock-mediatek-mt7621-sysc-add-reset-cel.patch - 001-v5.18-02-clk-ralink-make-system-controller-node-a-reset-provi.patch - 002-v6.0-MIPS-ralink-mt7621-avoid-to-init-common-ralink-reset.patch - 100-v5.16-PCI-mt7621-Add-MediaTek-MT7621-PCIe-host-controller-.patch - 101-v5.17-PCI-mt7621-Rename-mt7621_pci_-to-mt7621_pcie_.patch - 102-v5.17-PCI-mt7621-Declare-mt7621_pci_ops-static.patch - 103-v5.17-PCI-mt7621-Move-MIPS-setup-to-pcibios_root_bridge_pr.patch - 104-v5.17-PCI-mt7621-Drop-of_match_ptr-to-avoid-unused-variabl.patch - 105-v5.17-PCI-mt7621-Remove-unused-function-pcie_rmw.patch - 106-v5.17-PCI-Let-pcibios_root_bridge_prepare-access-bridge-wi.patch - 107-v6.2-PCI-mt7621-Add-sentinel-to-quirks-table.patch - 108-v6.3-PCI-mt7621-Delay-phy-ports-initialization.patch Manually refresh: - 006-v6.5-mips-ralink-introduce-commonly-used-remap-node-funct.patch - 320-MIPS-add-support-for-buggy-MT7621S-core-detection.patch - 405-mtd-spi-nor-Add-support-for-BoHong-bh25q128as.patch - 410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch - 805-pinctrl-AW9523.patch - 825-i2c-MIPS-adds-ralink-I2C-driver.patch - 830-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch Automatically refresh: - 200-add-ralink-eth.patch - 314-MIPS-add-bootargs-override-property.patch - 315-owrt-hack-fix-mt7688-cache-issue.patch - 700-net-ethernet-mediatek-support-net-labels.patch - 720-Revert-net-phy-simplify-phy_link_change-arguments.patch - 721-NET-no-auto-carrier-off-support.patch - 800-dmaengine-mediatek-add-HSDMA-support-for-mt7621.patch - 802-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch - 810-uvc-add-iPassion-iP2970-support.patch - 821-SPI-ralink-add-Ralink-SoC-spi-driver.patch - 835-asoc-add-mt7620-support.patch - 840-serial-add-ugly-custom-baud-rate-hack.patch - 845-pwm-add-mediatek-support.patch - 850-awake-rt305x-dwc2-controller.patch Tested-by: Andre Heider <a.heider@gmail.com> # netgear,wac124 Tested-by: Andrey Jr. Melnikov <temnota.am@gmail.com> # Xiaomi Mi Router 3G Tested-by: Timo Dorfner <timo.capa@gmail.com> # mt7621/mir3g mt7621/rm2100 Reviewed-by: Shiji Yang <yangshiji66@qq.com> Co-Developed-by: Mieczyslaw Nalewaj <namiltd@yahoo.com> Signed-off-by: Nick Hainke <vincent@systemli.org>
64 lines
1.8 KiB
Diff
64 lines
1.8 KiB
Diff
From f15d27f9c90ede4b16eb37f9ae573ef81c2b6996 Mon Sep 17 00:00:00 2001
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From: David Bauer <mail@david-bauer.net>
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Date: Thu, 31 Dec 2020 18:49:12 +0100
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Subject: [PATCH] MIPS: add bootargs-override property
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Add support for the bootargs-override property to the chosen node
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similar to the one used on ipq806x or mpc85xx.
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This is necessary, as the U-Boot used on some boards, notably the
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Ubiquiti UniFi 6 Lite, overwrite the bootargs property of the chosen
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node leading to a kernel panic when loading OpenWrt.
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Signed-off-by: David Bauer <mail@david-bauer.net>
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---
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arch/mips/kernel/setup.c | 30 ++++++++++++++++++++++++++++++
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1 file changed, 30 insertions(+)
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--- a/arch/mips/kernel/setup.c
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+++ b/arch/mips/kernel/setup.c
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@@ -557,8 +557,28 @@ static int __init bootcmdline_scan_chose
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#endif /* CONFIG_OF_EARLY_FLATTREE */
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+static int __init bootcmdline_scan_chosen_override(unsigned long node, const char *uname,
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+ int depth, void *data)
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+{
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+ bool *dt_bootargs = data;
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+ const char *p;
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+ int l;
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+
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+ if (depth != 1 || !data || strcmp(uname, "chosen") != 0)
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+ return 0;
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+
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+ p = of_get_flat_dt_prop(node, "bootargs-override", &l);
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+ if (p != NULL && l > 0) {
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+ strlcpy(boot_command_line, p, COMMAND_LINE_SIZE);
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+ *dt_bootargs = true;
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+ }
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+
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+ return 1;
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+}
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+
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static void __init bootcmdline_init(void)
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{
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+ bool dt_bootargs_override = false;
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bool dt_bootargs = false;
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/*
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@@ -572,6 +592,14 @@ static void __init bootcmdline_init(void
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}
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/*
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+ * If bootargs-override in the chosen node is set, use this as the
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+ * command line
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+ */
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+ of_scan_flat_dt(bootcmdline_scan_chosen_override, &dt_bootargs_override);
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+ if (dt_bootargs_override)
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+ return;
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+
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+ /*
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* If the user specified a built-in command line &
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* MIPS_CMDLINE_BUILTIN_EXTEND, then the built-in command line is
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* prepended to arguments from the bootloader or DT so we'll copy them
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