static void gpio_irq_disable(struct irq_data *d)
{
struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
u32 mask = (u32) irq_data_get_irq_handler_data(d);
__raw_writel(mask, &g->clr_falling);
__raw_writel(mask, &g->clr_rising);
}
static int gpio_irq_type(struct irq_data *d, unsigned trigger)
{
struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
u32 mask = (u32) irq_data_get_irq_handler_data(d);
if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
return -EINVAL;
return 0;
}
static void gpio_irq_enable(struct irq_data *d)
{
struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
u32 mask = (u32) irq_data_get_irq_handler_data(d);
unsigned status = irqd_get_trigger_type(d);
status &= IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING;
if (!status)
status = IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING;
if (status & IRQ_TYPE_EDGE_FALLING)
__raw_writel(mask, &g->set_falling);
if (status & IRQ_TYPE_EDGE_RISING)
__raw_writel(mask, &g->set_rising);
}
