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update rk29 gpio

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This commit is contained in:
lhh
2010-11-16 15:16:11 +08:00
parent 8a23eeba81
commit 518b2b2499
1 changed files with 26 additions and 1 deletions
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27
arch/arm/mach-rk29/gpio.c
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@@ -328,6 +328,20 @@ static int GPIOInmarkIntr(struct gpio_chip *chip, unsigned int mask)
return 0;
}
static int GPIOAckIntr(struct gpio_chip *chip, unsigned int mask)
{
struct rk29_gpio_chip *rk29_gpio = to_rk29_gpio_chip(chip);
unsigned char __iomem *gpioRegBase = rk29_gpio->regbase;
if(!rk29_gpio || !gpioRegBase)
{
return -1;
}
rk29_gpio_bitOp(gpioRegBase,GPIO_PORTS_EOI,mask,1);
return 0;
}
static void gpio_irq_unmask(unsigned irq)
{
unsigned int pin = irq_to_gpio(irq);
@@ -348,6 +362,16 @@ static void gpio_irq_mask(unsigned irq)
GPIOInmarkIntr(chip,mask);
}
static void gpio_ack_irq(u32 irq)
{
unsigned int pin = irq_to_gpio(irq);
struct gpio_chip *chip = pin_to_gpioChip(pin);
unsigned mask = pin_to_mask(pin);
if(chip && mask)
GPIOAckIntr(chip,mask);
}
static int GPIODisableIntr(struct gpio_chip *chip, unsigned int mask)
{
struct rk29_gpio_chip *rk29_gpio = to_rk29_gpio_chip(chip);
@@ -554,6 +578,7 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
static struct irq_chip rk29gpio_irqchip = {
.name = "RK29_GPIOIRQ",
.ack = gpio_ack_irq,
.enable = gpio_irq_enable,
.disable = gpio_irq_disable,
.mask = gpio_irq_mask,
@@ -576,7 +601,7 @@ void __init rk29_gpio_irq_setup(void)
{
lockdep_set_class(&irq_desc[pin+j].lock, &gpio_lock_class);
set_irq_chip(pin+j, &rk29gpio_irqchip);
set_irq_handler(pin+j, handle_simple_irq);
set_irq_handler(pin+j, handle_edge_irq);
set_irq_flags(pin+j, IRQF_VALID);
}