Merge tag 'irq-urgent-2024-03-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fix from Ingo Molnar:
 "A RISC-V irqchip driver fix"

* tag 'irq-urgent-2024-03-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/riscv-intc: Fix use of AIA interrupts 32-63 on riscv32

Author: torvalds

drivers/irqchip/irq-riscv-intc.c

@@ -149,8 +149,9 @@ static int riscv_intc_domain_alloc(struct irq_domain *domain,
 	 * Only allow hwirq for which we have corresponding standard or
 	 * custom interrupt enable register.
 	 */
-	if ((hwirq >= riscv_intc_nr_irqs && hwirq < riscv_intc_custom_base) ||
-	    (hwirq >= riscv_intc_custom_base + riscv_intc_custom_nr_irqs))
+	if (hwirq >= riscv_intc_nr_irqs &&
+	    (hwirq < riscv_intc_custom_base ||
+	     hwirq >= riscv_intc_custom_base + riscv_intc_custom_nr_irqs))
 		return -EINVAL;
 
 	for (i = 0; i < nr_irqs; i++) {
@@ -183,10 +184,12 @@ static int __init riscv_intc_init_common(struct fwnode_handle *fn, struct irq_ch
 		return -ENXIO;
 	}
 
-	if (riscv_isa_extension_available(NULL, SxAIA))
+	if (riscv_isa_extension_available(NULL, SxAIA)) {
+		riscv_intc_nr_irqs = 64;
 		rc = set_handle_irq(&riscv_intc_aia_irq);
-	else
+	} else {
 		rc = set_handle_irq(&riscv_intc_irq);
+	}
 	if (rc) {
 		pr_err("failed to set irq handler\n");
 		return rc;
@@ -195,7 +198,7 @@ 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%s\n",
-		riscv_isa_extension_available(NULL, SxAIA) ? 64 : riscv_intc_nr_irqs,
+		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);