--- zzzz-none-000/linux-4.4.60/arch/mips/kernel/idle.c	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-1750e-727/linux-4.4.60/arch/mips/kernel/idle.c	2021-02-04 17:41:59.000000000 +0000
@@ -21,6 +21,9 @@
 #include <asm/cpu-type.h>
 #include <asm/idle.h>
 #include <asm/mipsregs.h>
+#ifdef CONFIG_AVM_POWER
+#include <avm/power/power.h>
+#endif/*--- #ifdef CONFIG_AVM_POWER ---*/
 
 /*
  * Not all of the MIPS CPUs have the "wait" instruction available. Moreover,
@@ -49,7 +52,13 @@
 void r4k_wait(void)
 {
 	local_irq_enable();
+#if defined(CONFIG_AVM_POWER)
+    avm_cpu_wait_start();
+#endif/*--- #if defined(CONFIG_AVM_POWER) ---*/
 	__r4k_wait();
+#if defined(CONFIG_AVM_POWER)
+    avm_cpu_wait_info();
+#endif/*--- #if defined(CONFIG_AVM_POWER) ---*/
 }
 
 /*
@@ -61,13 +70,22 @@
  */
 void r4k_wait_irqoff(void)
 {
+#if defined(CONFIG_AVM_POWER)
+	avm_cpu_wait_start();
+#endif/*--- #if defined(CONFIG_AVM_POWER) ---*/
 	if (!need_resched())
 		__asm__(
 		"	.set	push		\n"
-		"	.set	arch=r4000	\n"
+		"	.set	"MIPS_ISA_ARCH_LEVEL"	\n"
 		"	wait			\n"
 		"	.set	pop		\n");
+#if defined(CONFIG_AVM_POWER)
+	avm_cpu_wait_end();
+#endif/*--- #if defined(CONFIG_AVM_POWER) ---*/
 	local_irq_enable();
+#if defined(CONFIG_AVM_POWER)
+	avm_cpu_wait_info();
+#endif/*--- #if defined(CONFIG_AVM_POWER) ---*/
 }
 
 /*
@@ -79,7 +97,7 @@
 	if (!need_resched())
 		__asm__(
 		"	.set	push					\n"
-		"	.set	arch=r4000				\n"
+		"	.set	"MIPS_ISA_ARCH_LEVEL"				\n"
 		"	.set	noat					\n"
 		"	mfc0	$1, $12					\n"
 		"	sync						\n"
@@ -100,7 +118,7 @@
 	unsigned long c0status = read_c0_status() | 1;	/* irqs on */
 
 	__asm__(
-	"	.set	arch=r4000			\n"
+	"	.set	"MIPS_ISA_ARCH_LEVEL"			\n"
 	"	cache	0x14, 0(%0)		\n"
 	"	cache	0x14, 32(%0)		\n"
 	"	sync				\n"