Commit a5c45ebd authored by Jing Li's avatar Jing Li Committed by guzitao
Browse files

sw64: acpi: disable ACPI for xuelang 

Sunway inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/IBDJNZ



--------------------------------

Enabling ACPI on xuelang platform requires the latest firmware,
otherwise kernel may fail to boot. To avoid potential risks, disable
ACPI for xuelang platform.

Signed-off-by: default avatarJing Li <jingli@wxiat.com>
Reviewed-by: default avatarHe Sheng <hesheng@wxiat.com>
Signed-off-by: default avatarGu Zitao <guzitao@wxiat.com>
parent c3acd200

arch/sw_64/kernel/acpi.c

+6 −1
Original line number Diff line number Diff line
@@ -358,6 +358,12 @@ static int __init acpi_process_madt_sw_cintc(void) 


void __init acpi_boot_table_init(void)

{

	if (IS_ENABLED(CONFIG_SUBARCH_C3B)) {

		pr_info(PREFIX "Current platform does not support ACPI\n");

		disable_acpi();

		return;

	}



	/**

	 * ACPI is disabled by default.

	 * ACPI is only enabled when firmware passes ACPI table
@@ -372,7 +378,6 @@ void __init acpi_boot_table_init(void) 
	if (acpi_disabled)

		return;



	pr_warn("Currently, ACPI is an experimental feature!\n");

	if (acpi_table_init()) {

		pr_err("Failed to init ACPI tables\n");

		disable_acpi();