clocksource/drivers/tango-xtal: Replace code by clocksource_mmio_init

[uclinux-h8/linux.git] / drivers / clocksource / tango_xtal.c

diff --git a/drivers/clocksource/tango_xtal.c b/drivers/clocksource/tango_xtal.c
index d297b30..2bcecaf 100644 (file)
--- a/drivers/clocksource/tango_xtal.c
+++ b/drivers/clocksource/tango_xtal.c
@@ -19,19 +19,6 @@ static u64 notrace read_sched_clock(void)
        return read_xtal_counter();
 }
 
-static cycle_t read_clocksource(struct clocksource *cs)
-{
-       return read_xtal_counter();
-}
-
-static struct clocksource tango_xtal = {
-       .name   = "tango-xtal",
-       .rating = 350,
-       .read   = read_clocksource,
-       .mask   = CLOCKSOURCE_MASK(32),
-       .flags  = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
 static void __init tango_clocksource_init(struct device_node *np)
 {
        struct clk *clk;
@@ -53,8 +40,9 @@ static void __init tango_clocksource_init(struct device_node *np)
        delay_timer.freq = xtal_freq;
        delay_timer.read_current_timer = read_xtal_counter;
 
-       ret = clocksource_register_hz(&tango_xtal, xtal_freq);
-       if (ret != 0) {
+       ret = clocksource_mmio_init(xtal_in_cnt, "tango-xtal", xtal_freq, 350,
+                                   32, clocksource_mmio_readl_up);
+       if (!ret) {
                pr_err("%s: registration failed\n", np->full_name);
                return;
        }