xtensa: Convert s6000 gpio irq_chip to new functions

Also use proper wrappers for irq_desc access.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chris Zankel <chris@zankel.net>
LKML-Reference: <20110206211137.750284615@linutronix.de>

diff --git a/arch/xtensa/variants/s6000/gpio.c b/arch/xtensa/variants/s6000/gpio.c
index 380a70fff756b3e561200126bb9b5a87b671c866..c694158817b201f1a63fce3cd401523d7c131409 100644 (file)
--- a/arch/xtensa/variants/s6000/gpio.c
+++ b/arch/xtensa/variants/s6000/gpio.c
@@ -85,30 +85,29 @@ int s6_gpio_init(u32 afsel)
        return gpiochip_add(&gpiochip);
 }
 
-static void ack(unsigned int irq)
+static void ack(struct irq_data *d)
 {
-       writeb(1 << (irq - IRQ_BASE), S6_REG_GPIO + S6_GPIO_IC);
+       writeb(1 << (d->irq - IRQ_BASE), S6_REG_GPIO + S6_GPIO_IC);
 }
 
-static void mask(unsigned int irq)
+static void mask(struct irq_data *d)
 {
        u8 r = readb(S6_REG_GPIO + S6_GPIO_IE);
-       r &= ~(1 << (irq - IRQ_BASE));
+       r &= ~(1 << (d->irq - IRQ_BASE));
        writeb(r, S6_REG_GPIO + S6_GPIO_IE);
 }
 
-static void unmask(unsigned int irq)
+static void unmask(struct irq_data *d)
 {
        u8 m = readb(S6_REG_GPIO + S6_GPIO_IE);
-       m |= 1 << (irq - IRQ_BASE);
+       m |= 1 << (d->irq - IRQ_BASE);
        writeb(m, S6_REG_GPIO + S6_GPIO_IE);
 }
 
-static int set_type(unsigned int irq, unsigned int type)
+static int set_type(struct irq_data *d, unsigned int type)
 {
-       const u8 m = 1 << (irq - IRQ_BASE);
+       const u8 m = 1 << (d->irq - IRQ_BASE);
        irq_flow_handler_t handler;
-       struct irq_desc *desc;
        u8 reg;
 
        if (type == IRQ_TYPE_PROBE) {
@@ -129,8 +128,7 @@ static int set_type(unsigned int irq, unsigned int type)
                handler = handle_edge_irq;
        }
        writeb(reg, S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IS);
-       desc = irq_to_desc(irq);
-       desc->handle_irq = handler;
+       __set_irq_handler_unlocked(irq, handler);
 
        reg = readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IEV);
        if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING))
@@ -150,22 +148,23 @@ static int set_type(unsigned int irq, unsigned int type)
 
 static struct irq_chip gpioirqs = {
        .name = "GPIO",
-       .ack = ack,
-       .mask = mask,
-       .unmask = unmask,
-       .set_type = set_type,
+       .irq_ack = ack,
+       .irq_mask = mask,
+       .irq_unmask = unmask,
+       .irq_set_type = set_type,
 };
 
 static u8 demux_masks[4];
 
 static void demux_irqs(unsigned int irq, struct irq_desc *desc)
 {
+       struct irq_chip *chip = get_irq_desc_chip(desc);
        u8 *mask = get_irq_desc_data(desc);
        u8 pending;
        int cirq;
 
-       desc->chip->mask(irq);
-       desc->chip->ack(irq);
+       chip->irq_mask(&desc->irq_data);
+       chip->irq_ack(&desc->irq_data));
        pending = readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_MIS) & *mask;
        cirq = IRQ_BASE - 1;
        while (pending) {
@@ -174,7 +173,7 @@ static void demux_irqs(unsigned int irq, struct irq_desc *desc)
                pending >>= n;
                generic_handle_irq(cirq);
        }
-       desc->chip->unmask(irq);
+       chip->irq_unmask(&desc->irq_data));
 }
 
 extern const signed char *platform_irq_mappings[XTENSA_NR_IRQS];