[RFC PATCH 06/22] irqchip: riscv: s64ilp32: Use __riscv_xlen instead of CONFIG_32BIT

[guoren]

From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>

When s64ilp32 enabled, CONFIG_32BIT=y but __riscv_xlen=64. So we
must use __riscv_xlen to detect real machine XLEN for CSR access.

Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Signed-off-by: Guo Ren <guoren@xxxxxxxxxx>
---
 drivers/irqchip/irq-riscv-intc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c
index 499e5f81b3fe..18f3c837e488 100644
--- a/drivers/irqchip/irq-riscv-intc.c
+++ b/drivers/irqchip/irq-riscv-intc.c
@@ -21,7 +21,7 @@ static struct irq_domain *intc_domain;
 
 static asmlinkage void riscv_intc_irq(struct pt_regs *regs)
 {
-	unsigned long cause = regs->cause & ~CAUSE_IRQ_FLAG;
+	xlen_t cause = regs->cause & ~CAUSE_IRQ_FLAG;
 
 	if (unlikely(cause >= BITS_PER_LONG))
 		panic("unexpected interrupt cause");
@@ -113,7 +113,7 @@ static int __init riscv_intc_init(struct device_node *node,
 	if (riscv_hartid_to_cpuid(hartid) != smp_processor_id())
 		return 0;
 
-	intc_domain = irq_domain_add_linear(node, BITS_PER_LONG,
+	intc_domain = irq_domain_add_linear(node, __riscv_xlen,
 					    &riscv_intc_domain_ops, NULL);
 	if (!intc_domain) {
 		pr_err("unable to add IRQ domain\n");
-- 
2.36.1