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

Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
 arch/sh/boards/of-generic.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/sh/boards/of-generic.c b/arch/sh/boards/of-generic.c
index 921d76fc3358..f7f3e618e85b 100644
--- a/arch/sh/boards/of-generic.c
+++ b/arch/sh/boards/of-generic.c

@@ -62,9 +62,8 @@ static void sh_of_smp_probe(void)
 	init_cpu_possible(cpumask_of(0));
 
 	for_each_of_cpu_node(np) {
-		const __be32 *cell = of_get_property(np, "reg", NULL);
-		u64 id = -1;
-		if (cell) id = of_read_number(cell, of_n_addr_cells(np));
+		u64 id = of_get_cpu_hwid(np, 0);
+
 		if (id < NR_CPUS) {
 			if (!method)
 				of_property_read_string(np, "enable-method", &method);

-- 
2.30.2