mpc5121: remove obsolete cell-index property from PSC clock code

Don't use cell-index from device tree, obtain the PSC number
from PSCx register offset.

Signed-off-by: Anatolij Gustschin <agust@denx.de>

diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 9f771e05457c78f263843247c49588dae021e911..d0095c8ee57955c9c0705729edebcddb0c881d11 100644 (file)
--- 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;