1 files changed, 3 insertions, 4 deletions

diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 9f771e05457c..d0095c8ee579 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -680,13 +680,12 @@ static void psc_calc_rate(struct clk *clk, int pscnum, struct device_node *np)
 static void psc_clks_init(void)
 {
         struct device_node *np;
-        const u32 *cell_index;
         struct platform_device *ofdev;
+        u32 reg;
 
         for_each_compatible_node(np, NULL, "fsl,mpc5121-psc") {
-                cell_index = of_get_property(np, "cell-index", NULL);
-                if (cell_index) {
-                        int pscnum = *cell_index;
+                if (!of_property_read_u32(np, "reg", &reg)) {
+                        int pscnum = (reg & 0xf00) >> 8;
                         struct clk *clk = psc_dev_clk(pscnum);
 
                         clk->flags = CLK_HAS_RATE | CLK_HAS_CTRL;