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

Rob Herring
2021-10-06T16:44:02Z

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

Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: linux-riscv@lists.infradead.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
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