irqchip: s3c24xx: add irq_set_type callback for basic interrupt types
From: Heiko Stuebner <heiko@...> Date: Fri, 22 Mar 2013 16:10:35 +0100
Commit-Message
Enables post-init setting of the desired typehandler for the interrupt. Signed-off-by: Heiko Stuebner <heiko@...>
Patch-Comment
drivers/irqchip/irq-s3c24xx.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
Statistics
- 24 lines added
- 0 lines removed
Changes
------------------------ drivers/irqchip/irq-s3c24xx.c -------------------------
index a565eb8..7cba4f0 100644
@@ -123,6 +123,28 @@ static inline void s3c_irq_ack(struct irq_data *data)
__raw_writel(bitval, intc->reg_intpnd);
}
+static int s3c_irq_type(struct irq_data *data, unsigned int type)
+{
+ switch (type) {
+ case IRQ_TYPE_NONE:
+ break;
+ case IRQ_TYPE_EDGE_RISING:
+ case IRQ_TYPE_EDGE_FALLING:
+ case IRQ_TYPE_EDGE_BOTH:
+ irq_set_handler(data->irq, handle_edge_irq);
+ break;
+ case IRQ_TYPE_LEVEL_LOW:
+ case IRQ_TYPE_LEVEL_HIGH:
+ irq_set_handler(data->irq, handle_level_irq);
+ break;
+ default:
+ pr_err("No such irq type %d", type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int s3c_irqext_type_set(void __iomem *gpcon_reg,
void __iomem *extint_reg,
unsigned long gpcon_offset,
@@ -228,6 +250,7 @@ static struct irq_chip s3c_irq_chip = {
.irq_ack = s3c_irq_ack,
.irq_mask = s3c_irq_mask,
.irq_unmask = s3c_irq_unmask,
+ .irq_set_type = s3c_irq_type,
.irq_set_wake = s3c_irq_wake
};
@@ -236,6 +259,7 @@ static struct irq_chip s3c_irq_level_chip = {
.irq_mask = s3c_irq_mask,
.irq_unmask = s3c_irq_unmask,
.irq_ack = s3c_irq_ack,
+ .irq_set_type = s3c_irq_type,
};
static struct irq_chip s3c_irqext_chip = {