mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
b506c964a2
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.61
Manually rebased:
bcm27xx/patches-6.6/950-0998-i2c-designware-Add-support-for-bus-clear-feature.patch
All other patches automatically rebased.
Build system: x86/64
Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3
Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3
Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/16959
(cherry picked from commit 487ca61f91)
Link: https://github.com/openwrt/openwrt/pull/17055
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
55 lines
1.7 KiB
Diff
55 lines
1.7 KiB
Diff
--- a/arch/arm/Kconfig
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+++ b/arch/arm/Kconfig
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@@ -1568,6 +1568,14 @@ config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEN
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endchoice
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+config CMDLINE_OVERRIDE
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+ bool "Use alternative cmdline from device tree"
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+ help
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+ Some bootloaders may have uneditable bootargs. While CMDLINE_FORCE can
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+ be used, this is not a good option for kernels that are shared across
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+ devices. This setting enables using "chosen/cmdline-override" as the
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+ cmdline if it exists in the device tree.
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+
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config CMDLINE
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string "Default kernel command string"
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default ""
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--- a/drivers/of/fdt.c
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+++ b/drivers/of/fdt.c
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@@ -1189,6 +1189,17 @@ int __init early_init_dt_scan_chosen(cha
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if (p != NULL && l > 0)
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strlcat(cmdline, p, min_t(int, strlen(cmdline) + (int)l, COMMAND_LINE_SIZE));
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+ /* CONFIG_CMDLINE_OVERRIDE is used to fallback to a different
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+ * device tree option of chosen/bootargs-override. This is
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+ * helpful on boards where u-boot sets bootargs, and is unable
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+ * to be modified.
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+ */
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+#ifdef CONFIG_CMDLINE_OVERRIDE
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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(cmdline, p, min((int)l, COMMAND_LINE_SIZE));
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+#endif
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+
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handle_cmdline:
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/*
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* CONFIG_CMDLINE is meant to be a default in case nothing else
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--- a/arch/arm64/Kconfig
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+++ b/arch/arm64/Kconfig
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@@ -2309,6 +2309,14 @@ config CMDLINE_FORCE
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endchoice
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+config CMDLINE_OVERRIDE
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+ bool "Use alternative cmdline from device tree"
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+ help
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+ Some bootloaders may have uneditable bootargs. While CMDLINE_FORCE can
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+ be used, this is not a good option for kernels that are shared across
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+ devices. This setting enables using "chosen/cmdline-override" as the
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+ cmdline if it exists in the device tree.
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+
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config EFI_STUB
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bool
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