riscv: cpu: Add 64bit hartid support on RV64
The hartid can be a 64bit value on RV64 platforms.
Add support for 64bit hartid in riscv_of_processor_hartid() and
update its callers.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20220527051743.2829940-5-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c
index b65bd88..499e5f8 100644
--- a/drivers/irqchip/irq-riscv-intc.c
+++ b/drivers/irqchip/irq-riscv-intc.c
@@ -95,10 +95,11 @@ static const struct irq_domain_ops riscv_intc_domain_ops = {
static int __init riscv_intc_init(struct device_node *node,
struct device_node *parent)
{
- int rc, hartid;
+ int rc;
+ unsigned long hartid;
- hartid = riscv_of_parent_hartid(node);
- if (hartid < 0) {
+ rc = riscv_of_parent_hartid(node, &hartid);
+ if (rc < 0) {
pr_warn("unable to find hart id for %pOF\n", node);
return 0;
}