diff options
Diffstat (limited to 'drivers/irqchip/irq-xilinx-intc.c')
| -rw-r--r-- | drivers/irqchip/irq-xilinx-intc.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/drivers/irqchip/irq-xilinx-intc.c b/drivers/irqchip/irq-xilinx-intc.c index 1d3d273309bd..ea741818a1ce 100644 --- a/drivers/irqchip/irq-xilinx-intc.c +++ b/drivers/irqchip/irq-xilinx-intc.c @@ -124,20 +124,6 @@ static unsigned int xintc_get_irq_local(struct xintc_irq_chip *irqc) return irq; } -unsigned int xintc_get_irq(void) -{ - unsigned int irq = -1; - u32 hwirq; - - hwirq = xintc_read(primary_intc, IVR); - if (hwirq != -1U) - irq = irq_find_mapping(primary_intc->root_domain, hwirq); - - pr_debug("irq-xilinx: hwirq=%d, irq=%d\n", hwirq, irq); - - return irq; -} - static int xintc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { struct xintc_irq_chip *irqc = d->host_data; @@ -177,6 +163,25 @@ static void xil_intc_irq_handler(struct irq_desc *desc) chained_irq_exit(chip, desc); } +static void xil_intc_handle_irq(struct pt_regs *regs) +{ + u32 hwirq; + struct xintc_irq_chip *irqc = primary_intc; + + do { + hwirq = xintc_read(irqc, IVR); + if (likely(hwirq != -1U)) { + int ret; + + ret = handle_domain_irq(irqc->root_domain, hwirq, regs); + WARN_ONCE(ret, "Unhandled HWIRQ %d\n", hwirq); + continue; + } + + break; + } while (1); +} + static int __init xilinx_intc_of_init(struct device_node *intc, struct device_node *parent) { @@ -246,6 +251,7 @@ static int __init xilinx_intc_of_init(struct device_node *intc, } else { primary_intc = irqc; irq_set_default_host(primary_intc->root_domain); + set_handle_irq(xil_intc_handle_irq); } return 0; |