6.6-stable review patch. If anyone has any objections, please let me know.
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From: Han Gao rabenda.cn@gmail.com
[ Upstream commit 69a8b62a7aa1e54ff7623064f6507fa29c1d0d4e ]
Similar to the ARM64 commit 3505f30fb6a9s ("ARM64 / ACPI: If we chose to boot from acpi then disable FDT"), let's not do DT hardware probing if ACPI is enabled in early boot. This avoids errors caused by repeated driver probing.
Signed-off-by: Han Gao rabenda.cn@gmail.com Link: https://lore.kernel.org/r/20250910112401.552987-1-rabenda.cn@gmail.com [pjw@kernel.org: cleaned up patch description and subject] Signed-off-by: Paul Walmsley pjw@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/riscv/kernel/setup.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index f598e0eb3b0a0..ee269b1c99a19 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -318,11 +318,14 @@ void __init setup_arch(char **cmdline_p) /* Parse the ACPI tables for possible boot-time configuration */ acpi_boot_table_init();
+ if (acpi_disabled) { #if IS_ENABLED(CONFIG_BUILTIN_DTB) - unflatten_and_copy_device_tree(); + unflatten_and_copy_device_tree(); #else - unflatten_device_tree(); + unflatten_device_tree(); #endif + } + misc_mem_init();
init_resources();