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path: root/drivers/irqchip/irq-xilinx-intc.c
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Diffstat (limited to 'drivers/irqchip/irq-xilinx-intc.c')
-rw-r--r--drivers/irqchip/irq-xilinx-intc.c34
1 files changed, 14 insertions, 20 deletions
diff --git a/drivers/irqchip/irq-xilinx-intc.c b/drivers/irqchip/irq-xilinx-intc.c
index ea741818a1ce..1d3d273309bd 100644
--- a/drivers/irqchip/irq-xilinx-intc.c
+++ b/drivers/irqchip/irq-xilinx-intc.c
@@ -124,6 +124,20 @@ 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;
@@ -163,25 +177,6 @@ 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)
{
@@ -251,7 +246,6 @@ 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;