sh: Use of_get_cpu_hwid()

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>
Link: https://lore.kernel.org/r/20211006164332.1981454-10-robh@kernel.org

diff --git a/arch/sh/boards/of-generic.c b/arch/sh/boards/of-generic.c
index 921d76f..f7f3e61 100644 (file)
--- 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);