--- zzzz-none-000/linux-3.10.107/arch/mips/netlogic/xlr/fmn.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/netlogic/xlr/fmn.c	2021-02-04 17:41:59.000000000 +0000
@@ -74,13 +74,13 @@
 	struct nlm_fmn_msg msg;
 	uint32_t mflags, bkt_status;
 
-	mflags = nlm_cop2_enable();
+	mflags = nlm_cop2_enable_irqsave();
 	/* Disable message ring interrupt */
 	nlm_fmn_setup_intr(irq, 0);
 	while (1) {
 		/* 8 bkts per core, [24:31] each bit represents one bucket
 		 * Bit is Zero if bucket is not empty */
-		bkt_status = (nlm_read_c2_status() >> 24) & 0xff;
+		bkt_status = (nlm_read_c2_status0() >> 24) & 0xff;
 		if (bkt_status == 0xff)
 			break;
 		for (bucket = 0; bucket < 8; bucket++) {
@@ -97,16 +97,16 @@
 				pr_warn("No msgring handler for stnid %d\n",
 						src_stnid);
 			else {
-				nlm_cop2_restore(mflags);
+				nlm_cop2_disable_irqrestore(mflags);
 				hndlr->action(bucket, src_stnid, size, code,
 					&msg, hndlr->arg);
-				mflags = nlm_cop2_enable();
+				mflags = nlm_cop2_enable_irqsave();
 			}
 		}
 	};
 	/* Enable message ring intr, to any thread in core */
 	nlm_fmn_setup_intr(irq, (1 << nlm_threads_per_core) - 1);
-	nlm_cop2_restore(mflags);
+	nlm_cop2_disable_irqrestore(mflags);
 	return IRQ_HANDLED;
 }
 
@@ -128,7 +128,7 @@
 
 	bucket_sizes = xlr_board_fmn_config.bucket_size;
 	cpu_fmn_info = &xlr_board_fmn_config.cpu[id];
-	flags = nlm_cop2_enable();
+	flags = nlm_cop2_enable_irqsave();
 
 	/* Setup bucket sizes for the core. */
 	nlm_write_c2_bucksize(0, bucket_sizes[id * 8 + 0]);
@@ -166,7 +166,7 @@
 
 	/* enable FMN interrupts on this CPU */
 	nlm_fmn_setup_intr(IRQ_FMN, (1 << nlm_threads_per_core) - 1);
-	nlm_cop2_restore(flags);
+	nlm_cop2_disable_irqrestore(flags);
 }
 
 
@@ -198,7 +198,7 @@
 	/* setup irq only once */
 	setup_irq(IRQ_FMN, &fmn_irqaction);
 
-	flags = nlm_cop2_enable();
+	flags = nlm_cop2_enable_irqsave();
 	nlm_fmn_setup_intr(IRQ_FMN, (1 << nlm_threads_per_core) - 1);
-	nlm_cop2_restore(flags);
+	nlm_cop2_disable_irqrestore(flags);
 }