1 files changed, 5 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/hwblk.c b/arch/sh/kernel/cpu/hwblk.c
index 67a1e811cfe..3e985aae5d9 100644
--- a/arch/sh/kernel/cpu/hwblk.c
+++ b/arch/sh/kernel/cpu/hwblk.c
@@ -146,6 +146,11 @@ int __init sh_hwblk_clk_register(struct clk *clks, int nr)
 
         for (k = 0; !ret && (k < nr); k++) {
                 clkp = clks + k;
+
+                /* skip over clocks using hwblk 0 (HWBLK_UNKNOWN) */
+                if (!clkp->arch_flags)
+                        continue;
+
                 clkp->ops = &sh_hwblk_clk_ops;
                 ret |= clk_register(clkp);
         }