[08/12] riscv: Use of_get_cpu_hwid()

Commit Message

Rob Herring (Arm) Oct. 6, 2021, 4:43 p.m. UTC

Replace open coded parsing of CPU nodes' 'reg' property with
of_get_cpu_hwid().

Cc: Paul Walmsley <[e-mail]>
Cc: Palmer Dabbelt <[e-mail]>
Cc: Albert Ou <[e-mail]>
Cc: [e-mail]
Signed-off-by: Rob Herring <[e-mail]>
---
 arch/riscv/kernel/cpu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch

diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c
index 6d59e6906fdd..f13b2c9ea912 100644
--- a/arch/riscv/kernel/cpu.c
+++ b/arch/riscv/kernel/cpu.c
@@ -22,7 +22,8 @@  int riscv_of_processor_hartid(struct device_node *node)
 		return -ENODEV;
 	}
 
-	if (of_property_read_u32(node, "reg", &hart)) {
+	hart = of_get_cpu_hwid(node, 0);
+	if (hart == ~0U) {
 		pr_warn("Found CPU without hart ID\n");
 		return -ENODEV;
 	}