Subject: [PATCH 08/12] riscv: Use of_get_cpu_hwid()

From: Rob Herring <[email-masked]>
Date: Wed, 6 Oct 2021 11:43:28 -0500

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

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

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;
 	}
-- 
2.30.2