diff --git a/arch/loongarch/power/platform.c b/arch/loongarch/power/platform.c
index a19353f7d1b0..0909729dc2e1 100644
--- a/arch/loongarch/power/platform.c
+++ b/arch/loongarch/power/platform.c
@@ -49,22 +49,34 @@ static int __init loongson_cpufreq_init(void)
 
 arch_initcall(loongson_cpufreq_init);
 
+static void default_suspend_addr(void)
+{
+	acpi_enter_sleep_state(ACPI_STATE_S3);
+}
+
 static int __init loongson3_acpi_suspend_init(void)
 {
 #ifdef CONFIG_ACPI
 	acpi_status status;
 	uint64_t suspend_addr = 0;
 
-	if (acpi_disabled || acpi_gbl_reduced_hardware)
+	if (acpi_disabled)
+		return 0;
+
+	if (!acpi_gbl_reduced_hardware)
+		acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
+
+	if (!acpi_sleep_state_supported(ACPI_STATE_S3))
 		return 0;
 
-	acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
 	status = acpi_evaluate_integer(NULL, "\\SADR", NULL, &suspend_addr);
 	if (ACPI_FAILURE(status) || !suspend_addr) {
-		pr_err("ACPI S3 is not support!\n");
-		return -1;
+		pr_info("ACPI S3 supported with hardware register default\n");
+		loongson_sysconf.suspend_addr = (u64)default_suspend_addr;
+	} else {
+		pr_info("ACPI S3 supported with Loongson ACPI SADR extension\n");
+		loongson_sysconf.suspend_addr = (u64)phys_to_virt(PHYSADDR(suspend_addr));
 	}
-	loongson_sysconf.suspend_addr = (u64)phys_to_virt(PHYSADDR(suspend_addr));
 #endif
 	return 0;
 }
diff --git a/arch/loongarch/power/suspend_asm.S b/arch/loongarch/power/suspend_asm.S
index c28ad52b7baf..9fe28d5a0270 100644
--- a/arch/loongarch/power/suspend_asm.S
+++ b/arch/loongarch/power/suspend_asm.S
@@ -66,7 +66,7 @@ SYM_FUNC_START(loongarch_suspend_enter)
 	la.pcrel	a0, loongarch_wakeup_start
 	la.pcrel	t0, loongarch_suspend_addr
 	ld.d		t0, t0, 0
-	jirl		a0, t0, 0 /* Call BIOS's STR sleep routine */
+	jirl		ra, t0, 0 /* Call BIOS's STR sleep routine */
 
 	/*
 	 * This is where we return upon wakeup.