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From: David Daney <ddaney@caviumnetworks.com>
To: linux-mips <linux-mips@linux-mips.org>
Subject: [PATCH] MIPS: Use ei/di for mipsr2.
Date: Wed, 10 Dec 2008 08:37:25 -0800	[thread overview]
Message-ID: <493FF045.1020803@caviumnetworks.com> (raw)


For mipsr2, 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>
---
 arch/mips/include/asm/asmmacro.h |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 7a88175..6c8342a 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

             reply	other threads:[~2008-12-10 16:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-10 16:37 David Daney [this message]
2008-12-10 16:54 ` [PATCH] MIPS: Use ei/di for mipsr2 Ralf Baechle

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