[patch 04/38] mips: bcm63xx: Convert to new irq_chip functions

[Thomas Gleixner <tglx@linutronix.de>]

[-- Attachment #1: mips-bcm63xx.patch --]
[-- Type: text/plain, Size: 5033 bytes --]

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/mips/bcm63xx/irq.c |   77 +++++++++++++++++++-----------------------------
 1 file changed, 32 insertions(+), 45 deletions(-)

Index: linux-mips-next/arch/mips/bcm63xx/irq.c
===================================================================
--- linux-mips-next.orig/arch/mips/bcm63xx/irq.c
+++ linux-mips-next/arch/mips/bcm63xx/irq.c
@@ -76,88 +76,80 @@ asmlinkage void plat_irq_dispatch(void)
  * internal IRQs operations: only mask/unmask on PERF irq mask
  * register.
  */
-static inline void bcm63xx_internal_irq_mask(unsigned int irq)
+static inline void bcm63xx_internal_irq_mask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_INTERNAL_BASE;
 	u32 mask;
 
-	irq -= IRQ_INTERNAL_BASE;
 	mask = bcm_perf_readl(PERF_IRQMASK_REG);
 	mask &= ~(1 << irq);
 	bcm_perf_writel(mask, PERF_IRQMASK_REG);
 }
 
-static void bcm63xx_internal_irq_unmask(unsigned int irq)
+static void bcm63xx_internal_irq_unmask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_INTERNAL_BASE;
 	u32 mask;
 
-	irq -= IRQ_INTERNAL_BASE;
 	mask = bcm_perf_readl(PERF_IRQMASK_REG);
 	mask |= (1 << irq);
 	bcm_perf_writel(mask, PERF_IRQMASK_REG);
 }
 
-static unsigned int bcm63xx_internal_irq_startup(unsigned int irq)
-{
-	bcm63xx_internal_irq_unmask(irq);
-	return 0;
-}
-
 /*
  * external IRQs operations: mask/unmask and clear on PERF external
  * irq control register.
  */
-static void bcm63xx_external_irq_mask(unsigned int irq)
+static void bcm63xx_external_irq_mask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_EXT_BASE;
 	u32 reg;
 
-	irq -= IRQ_EXT_BASE;
 	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
 	reg &= ~EXTIRQ_CFG_MASK(irq);
 	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
 }
 
-static void bcm63xx_external_irq_unmask(unsigned int irq)
+static void bcm63xx_external_irq_unmask(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_EXT_BASE;
 	u32 reg;
 
-	irq -= IRQ_EXT_BASE;
 	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
 	reg |= EXTIRQ_CFG_MASK(irq);
 	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
 }
 
-static void bcm63xx_external_irq_clear(unsigned int irq)
+static void bcm63xx_external_irq_clear(struct irq_data *d)
 {
+	unsigned int irq = d->irq - IRQ_EXT_BASE;
 	u32 reg;
 
-	irq -= IRQ_EXT_BASE;
 	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
 	reg |= EXTIRQ_CFG_CLEAR(irq);
 	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
 }
 
-static unsigned int bcm63xx_external_irq_startup(unsigned int irq)
+static unsigned int bcm63xx_external_irq_startup(struct irq_data *d)
 {
-	set_c0_status(0x100 << (irq - IRQ_MIPS_BASE));
+	set_c0_status(0x100 << (d->irq - IRQ_MIPS_BASE));
 	irq_enable_hazard();
-	bcm63xx_external_irq_unmask(irq);
+	bcm63xx_external_irq_unmask(d);
 	return 0;
 }
 
-static void bcm63xx_external_irq_shutdown(unsigned int irq)
+static void bcm63xx_external_irq_shutdown(struct irq_data *d)
 {
-	bcm63xx_external_irq_mask(irq);
-	clear_c0_status(0x100 << (irq - IRQ_MIPS_BASE));
+	bcm63xx_external_irq_mask(d);
+	clear_c0_status(0x100 << (d->irq - IRQ_MIPS_BASE));
 	irq_disable_hazard();
 }
 
-static int bcm63xx_external_irq_set_type(unsigned int irq,
+static int bcm63xx_external_irq_set_type(struct irq_data *d,
 					 unsigned int flow_type)
 {
+	unsigned int irq = d->irq - IRQ_EXT_BASE;
 	u32 reg;
-	struct irq_desc *desc = irq_desc + irq;
-
-	irq -= IRQ_EXT_BASE;
 
 	flow_type &= IRQ_TYPE_SENSE_MASK;
 
@@ -199,37 +191,32 @@ static int bcm63xx_external_irq_set_type
 	}
 	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
 
-	if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))  {
-		desc->status |= IRQ_LEVEL;
-		desc->handle_irq = handle_level_irq;
-	} else {
-		desc->handle_irq = handle_edge_irq;
-	}
+	irqd_set_trigger_type(d, flow_type);
+	if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
+		__irq_set_handler_locked(d->irq, handle_level_irq);
+	else
+		__irq_set_handler_locked(d->irq, handle_edge_irq);
 
-	return 0;
+	return IRQ_SET_MASK_OK_NOCOPY;
 }
 
 static struct irq_chip bcm63xx_internal_irq_chip = {
 	.name		= "bcm63xx_ipic",
-	.startup	= bcm63xx_internal_irq_startup,
-	.shutdown	= bcm63xx_internal_irq_mask,
-
-	.mask		= bcm63xx_internal_irq_mask,
-	.mask_ack	= bcm63xx_internal_irq_mask,
-	.unmask		= bcm63xx_internal_irq_unmask,
+	.irq_mask	= bcm63xx_internal_irq_mask,
+	.irq_unmask	= bcm63xx_internal_irq_unmask,
 };
 
 static struct irq_chip bcm63xx_external_irq_chip = {
 	.name		= "bcm63xx_epic",
-	.startup	= bcm63xx_external_irq_startup,
-	.shutdown	= bcm63xx_external_irq_shutdown,
+	.irq_startup	= bcm63xx_external_irq_startup,
+	.irq_shutdown	= bcm63xx_external_irq_shutdown,
 
-	.ack		= bcm63xx_external_irq_clear,
+	.irq_ack	= bcm63xx_external_irq_clear,
 
-	.mask		= bcm63xx_external_irq_mask,
-	.unmask		= bcm63xx_external_irq_unmask,
+	.irq_mask	= bcm63xx_external_irq_mask,
+	.irq_unmask	= bcm63xx_external_irq_unmask,
 
-	.set_type	= bcm63xx_external_irq_set_type,
+	.irq_set_type	= bcm63xx_external_irq_set_type,
 };
 
 static struct irqaction cpu_ip2_cascade_action = {