diff options
| author | Heiko Stuebner <heiko@sntech.de> | 2013-04-04 09:53:45 +0400 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2013-04-04 09:56:08 +0400 |
| commit | bd7c0da2c1590ea292052b873f93d2c1dbbf7d28 (patch) | |
| tree | b1939b087051f61fd83859e787cf80f3bac23120 /drivers/irqchip/irq-s3c24xx.c | |
| parent | 1ebc7e83b1cc58edae3f371ac9cf1614e0d3b345 (diff) | |
| download | linux-bd7c0da2c1590ea292052b873f93d2c1dbbf7d28.tar.xz | |
irqchip: s3c24xx: add irq_set_type callback for basic interrupt types
Enables post-init setting of the desired typehandler for the interrupt.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'drivers/irqchip/irq-s3c24xx.c')
| -rw-r--r-- | drivers/irqchip/irq-s3c24xx.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c index a565eb8def30..7cba4f0090f2 100644 --- a/drivers/irqchip/irq-s3c24xx.c +++ b/drivers/irqchip/irq-s3c24xx.c @@ -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 = { |