Merge branch 'topic/docs-next' into v4l_for_linus
[sfrench/cifs-2.6.git] / drivers / clocksource / tango_xtal.c
index c407c47a32326a568f11b2f586c8e29aa3588572..12fcef8cf2d36758cadf8449c84f33dafde28acc 100644 (file)
@@ -19,7 +19,7 @@ static u64 notrace read_sched_clock(void)
        return read_xtal_counter();
 }
 
-static void __init tango_clocksource_init(struct device_node *np)
+static int __init tango_clocksource_init(struct device_node *np)
 {
        struct clk *clk;
        int xtal_freq, ret;
@@ -27,13 +27,13 @@ static void __init tango_clocksource_init(struct device_node *np)
        xtal_in_cnt = of_iomap(np, 0);
        if (xtal_in_cnt == NULL) {
                pr_err("%s: invalid address\n", np->full_name);
-               return;
+               return -ENXIO;
        }
 
        clk = of_clk_get(np, 0);
        if (IS_ERR(clk)) {
                pr_err("%s: invalid clock\n", np->full_name);
-               return;
+               return PTR_ERR(clk);
        }
 
        xtal_freq = clk_get_rate(clk);
@@ -44,11 +44,13 @@ static void __init tango_clocksource_init(struct device_node *np)
                                    32, clocksource_mmio_readl_up);
        if (ret) {
                pr_err("%s: registration failed\n", np->full_name);
-               return;
+               return ret;
        }
 
        sched_clock_register(read_sched_clock, 32, xtal_freq);
        register_current_timer_delay(&delay_timer);
+
+       return 0;
 }
 
 CLOCKSOURCE_OF_DECLARE(tango, "sigma,tick-counter", tango_clocksource_init);