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-rw-r--r--arch/arm64/kernel/smp.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index d4dcc6515253..a886194e58fd 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -270,6 +270,7 @@ void __init smp_init_cpus(void)
bool bootcpu_valid = false;
while ((dn = of_find_node_by_type(dn, "cpu"))) {
+ const u32 *cell;
u64 hwid;
/*
@@ -277,10 +278,12 @@ void __init smp_init_cpus(void)
* considered invalid to build a cpu_logical_map
* entry.
*/
- if (of_property_read_u64(dn, "reg", &hwid)) {
+ cell = of_get_property(dn, "reg", NULL);
+ if (!cell) {
pr_err("%s: missing reg property\n", dn->full_name);
goto next;
}
+ hwid = of_read_number(cell, of_n_addr_cells(dn));
/*
* Non affinity bits must be set to 0 in the DT
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