[PATCH] [MIPS] vr41xx: add MACINT controls

[Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>]

Hi Ralf,

This patch has added MACINT controls.
They are necessary for VR4133 ethernet driver.

Yoichi

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>

diff -pruN -X mips/Documentation/dontdiff mips-orig/arch/mips/vr41xx/common/icu.c mips/arch/mips/vr41xx/common/icu.c
--- mips-orig/arch/mips/vr41xx/common/icu.c	2007-01-11 22:49:53.309677500 +0900
+++ mips/arch/mips/vr41xx/common/icu.c	2007-01-11 23:25:24.954897000 +0900
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2001-2002  MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@xxxxxxxxxx or source@xxxxxxxxxx>
- *  Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>
+ *  Copyright (C) 2003-2006  Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -68,6 +68,7 @@ static unsigned char sysint2_assign[16] 
 #define MPIUINTREG	0x0e
 #define MAIUINTREG	0x10
 #define MKIUINTREG	0x12
+#define MMACINTREG	0x12
 #define MGIUINTLREG	0x14
 #define MDSIUINTREG	0x16
 #define NMIREG		0x18
@@ -241,6 +242,30 @@ void vr41xx_disable_kiuint(uint16_t mask
 
 EXPORT_SYMBOL(vr41xx_disable_kiuint);
 
+void vr41xx_enable_macint(uint16_t mask)
+{
+	struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
+	unsigned long flags;
+
+	spin_lock_irqsave(&desc->lock, flags);
+	icu1_set(MMACINTREG, mask);
+	spin_unlock_irqrestore(&desc->lock, flags);
+}
+
+EXPORT_SYMBOL(vr41xx_enable_macint);
+
+void vr41xx_disable_macint(uint16_t mask)
+{
+	struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
+	unsigned long flags;
+
+	spin_lock_irqsave(&desc->lock, flags);
+	icu1_clear(MMACINTREG, mask);
+	spin_unlock_irqrestore(&desc->lock, flags);
+}
+
+EXPORT_SYMBOL(vr41xx_disable_macint);
+
 void vr41xx_enable_dsiuint(uint16_t mask)
 {
 	struct irq_desc *desc = irq_desc + DSIU_IRQ;