diff options
Diffstat (limited to 'drivers/irqchip/irq-ftintc010.c')
| -rw-r--r-- | drivers/irqchip/irq-ftintc010.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/irqchip/irq-ftintc010.c b/drivers/irqchip/irq-ftintc010.c index 81929aa33990..0cc81df6f743 100644 --- a/drivers/irqchip/irq-ftintc010.c +++ b/drivers/irqchip/irq-ftintc010.c @@ -26,7 +26,9 @@ #define FT010_IRQ_SOURCE(base_addr) (base_addr + 0x00) #define FT010_IRQ_MASK(base_addr) (base_addr + 0x04) #define FT010_IRQ_CLEAR(base_addr) (base_addr + 0x08) +/* Selects level- or edge-triggered */ #define FT010_IRQ_MODE(base_addr) (base_addr + 0x0C) +/* Selects active low/high or falling/rising edge */ #define FT010_IRQ_POLARITY(base_addr) (base_addr + 0x10) #define FT010_IRQ_STATUS(base_addr) (base_addr + 0x14) #define FT010_FIQ_SOURCE(base_addr) (base_addr + 0x20) @@ -84,22 +86,25 @@ static int ft010_irq_set_type(struct irq_data *d, unsigned int trigger) mode = readl(FT010_IRQ_MODE(f->base)); polarity = readl(FT010_IRQ_POLARITY(f->base)); - if (trigger & (IRQ_TYPE_LEVEL_HIGH)) { + if (trigger & (IRQ_TYPE_LEVEL_LOW)) { + irq_set_handler_locked(d, handle_level_irq); + mode &= ~BIT(offset); + polarity |= BIT(offset); + } else if (trigger & (IRQ_TYPE_LEVEL_HIGH)) { irq_set_handler_locked(d, handle_level_irq); - /* Disable edge detection */ mode &= ~BIT(offset); polarity &= ~BIT(offset); - } else if (trigger & IRQ_TYPE_EDGE_RISING) { + } else if (trigger & IRQ_TYPE_EDGE_FALLING) { irq_set_handler_locked(d, handle_edge_irq); mode |= BIT(offset); polarity |= BIT(offset); - } else if (trigger & IRQ_TYPE_EDGE_FALLING) { + } else if (trigger & IRQ_TYPE_EDGE_RISING) { irq_set_handler_locked(d, handle_edge_irq); mode |= BIT(offset); polarity &= ~BIT(offset); } else { irq_set_handler_locked(d, handle_bad_irq); - pr_warn("GEMINI IRQ: no supported trigger selected for line %d\n", + pr_warn("Faraday IRQ: no supported trigger selected for line %d\n", offset); } |