From b6354db5bbbc538bf009cae6c019810b4a3ef21d Mon Sep 17 00:00:00 2001
From: David Daney <ddaney@caviumnetworks.com>
Date: Wed, 10 Dec 2008 08:37:25 -0800
Subject: [PATCH] MIPS: Use EI/DI for MIPS R2.

For MIPS R2, use the EI and DI instructions to enable and disable
interrupts.

Signed-off-by: Tomaso Paoletti <tpaoletti@caviumnetworks.com>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/include/asm/asmmacro.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 7a881755800..6c8342ae74d 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -35,6 +35,16 @@
 	mtc0	\reg, CP0_TCSTATUS
 	_ehb
 	.endm
+#elif defined(CONFIG_CPU_MIPSR2)
+	.macro	local_irq_enable reg=t0
+	ei
+	irq_enable_hazard
+	.endm
+
+	.macro	local_irq_disable reg=t0
+	di
+	irq_disable_hazard
+	.endm
 #else
 	.macro	local_irq_enable reg=t0
 	mfc0	\reg, CP0_STATUS
-- 
2.11.4.GIT