[PATCH v15 01/10] irqchip/riscv-intc: Fix low-level interrupt handler setup for AIA

From: Anup Patel
Date: Sun Feb 25 2024 - 23:09:47 EST


Use riscv_intc_aia_irq() as the low-level interrupt handler and print
"using AIA" in the INTC boot banner when AIA is available.

Fixes: c1be2ae5987a ("irqchip/riscv-intc: Add support for RISC-V AIA")
Signed-off-by: Anup Patel <apatel@xxxxxxxxxxxxxxxx>
---
drivers/irqchip/irq-riscv-intc.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c
index cccb65339982..f87aeab460eb 100644
--- a/drivers/irqchip/irq-riscv-intc.c
+++ b/drivers/irqchip/irq-riscv-intc.c
@@ -183,7 +183,10 @@ static int __init riscv_intc_init_common(struct fwnode_handle *fn, struct irq_ch
return -ENXIO;
}

- rc = set_handle_irq(&riscv_intc_irq);
+ if (riscv_isa_extension_available(NULL, SxAIA))
+ rc = set_handle_irq(&riscv_intc_aia_irq);
+ else
+ rc = set_handle_irq(&riscv_intc_irq);
if (rc) {
pr_err("failed to set irq handler\n");
return rc;
@@ -191,8 +194,9 @@ static int __init riscv_intc_init_common(struct fwnode_handle *fn, struct irq_ch

riscv_set_intc_hwnode_fn(riscv_intc_hwnode);

- pr_info("%d local interrupts mapped\n",
- riscv_isa_extension_available(NULL, SxAIA) ? 64 : riscv_intc_nr_irqs);
+ pr_info("%d local interrupts mapped%s\n",
+ riscv_isa_extension_available(NULL, SxAIA) ? 64 : riscv_intc_nr_irqs,
+ riscv_isa_extension_available(NULL, SxAIA) ? " using AIA" : "");
if (riscv_intc_custom_nr_irqs)
pr_info("%d custom local interrupts mapped\n", riscv_intc_custom_nr_irqs);

--
2.34.1