openwrt/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch

From 0e692ab15a69ac4534c18e67ed3cb7685f728037 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Tue, 30 Apr 2013 11:26:53 +0200
Subject: [PATCH 13/14] MIPS: BCM63XX: use irq_desc as argument for (un)mask

In preparation for applying affinity, use the irq descriptor as the
argument for (un)mask.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
 arch/mips/bcm63xx/irq.c |   26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -22,10 +22,10 @@
 
 static void __dispatch_internal_32(int cpu) __maybe_unused;
 static void __dispatch_internal_64(int cpu) __maybe_unused;
-static void __internal_irq_mask_32(unsigned int irq) __maybe_unused;
-static void __internal_irq_mask_64(unsigned int irq) __maybe_unused;
-static void __internal_irq_unmask_32(unsigned int irq) __maybe_unused;
-static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused;
+static void __internal_irq_mask_32(struct irq_data *d) __maybe_unused;
+static void __internal_irq_mask_64(struct irq_data *d) __maybe_unused;
+static void __internal_irq_unmask_32(struct irq_data *d) __maybe_unused;
+static void __internal_irq_unmask_64(struct irq_data *d) __maybe_unused;
 
 static DEFINE_SPINLOCK(ipic_lock);
 static DEFINE_SPINLOCK(epic_lock);
@@ -167,8 +167,8 @@ static int is_ext_irq_cascaded;
 static unsigned int ext_irq_count;
 static unsigned int ext_irq_start, ext_irq_end;
 static unsigned int ext_irq_cfg_reg1, ext_irq_cfg_reg2;
-static void (*internal_irq_mask)(unsigned int irq);
-static void (*internal_irq_unmask)(unsigned int irq);
+static void (*internal_irq_mask)(struct irq_data *d);
+static void (*internal_irq_unmask)(struct irq_data *d);
 
 static void bcm63xx_init_irq(void)
 {
@@ -358,9 +358,10 @@ void __dispatch_internal_##width(int cpu
 	}								\
 }									\
 									\
-static void __internal_irq_mask_##width(unsigned int irq)		\
+static void __internal_irq_mask_##width(struct irq_data *d)		\
 {									\
 	u32 val;							\
+	unsigned irq = d->irq - IRQ_INTERNAL_BASE;			\
 	unsigned reg = (irq / 32) ^ (width/32 - 1);			\
 	unsigned bit = irq & 0x1f;					\
 	unsigned long flags;						\
@@ -380,9 +381,10 @@ static void __internal_irq_mask_##width(
 	spin_unlock_irqrestore(&ipic_lock, flags);			\
 }									\
 									\
-static void __internal_irq_unmask_##width(unsigned int irq)		\
+static void __internal_irq_unmask_##width(struct irq_data *d)		\
 { 									\
 	u32 val;							\
+	unsigned irq = d->irq - IRQ_INTERNAL_BASE;			\
 	unsigned reg = (irq / 32) ^ (width/32 - 1);			\
 	unsigned bit = irq & 0x1f; 					\
 	unsigned long flags;						\
@@ -448,12 +450,12 @@ asmlinkage void plat_irq_dispatch(void)
  */
 static void bcm63xx_internal_irq_mask(struct irq_data *d)
 {
-	internal_irq_mask(d->irq - IRQ_INTERNAL_BASE);
+	internal_irq_mask(d);
 }
 
 static void bcm63xx_internal_irq_unmask(struct irq_data *d)
 {
-	internal_irq_unmask(d->irq - IRQ_INTERNAL_BASE);
+	internal_irq_unmask(d);
 }
 
 /*
@@ -479,7 +481,7 @@ static void bcm63xx_external_irq_mask(st
 	spin_unlock_irqrestore(&epic_lock, flags);
 
 	if (is_ext_irq_cascaded)
-		internal_irq_mask(irq + ext_irq_start);
+		internal_irq_mask(irq_get_irq_data(irq + ext_irq_start));
 }
 
 static void bcm63xx_external_irq_unmask(struct irq_data *d)
@@ -501,7 +503,7 @@ static void bcm63xx_external_irq_unmask(
 	spin_unlock_irqrestore(&epic_lock, flags);
 
 	if (is_ext_irq_cascaded)
-		internal_irq_unmask(irq + ext_irq_start);
+		internal_irq_unmask(irq_get_irq_data(irq + ext_irq_start));
 }
 
 static void bcm63xx_external_irq_clear(struct irq_data *d)