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Diffstat (limited to 'arch/arm/mach-mxs/timer.c')
-rw-r--r--arch/arm/mach-mxs/timer.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/arch/arm/mach-mxs/timer.c b/arch/arm/mach-mxs/timer.c
index 13647f30186..cace0d2e5a5 100644
--- a/arch/arm/mach-mxs/timer.c
+++ b/arch/arm/mach-mxs/timer.c
@@ -101,11 +101,6 @@ static cycle_t timrotv1_get_cycles(struct clocksource *cs)
& 0xffff0000) >> 16);
}
-static cycle_t timrotv2_get_cycles(struct clocksource *cs)
-{
- return ~__raw_readl(mxs_timrot_base + HW_TIMROT_RUNNING_COUNTn(1));
-}
-
static int timrotv1_set_next_event(unsigned long evt,
struct clock_event_device *dev)
{
@@ -230,8 +225,8 @@ static int __init mxs_clockevent_init(struct clk *timer_clk)
static struct clocksource clocksource_mxs = {
.name = "mxs_timer",
.rating = 200,
- .read = timrotv2_get_cycles,
- .mask = CLOCKSOURCE_MASK(32),
+ .read = timrotv1_get_cycles,
+ .mask = CLOCKSOURCE_MASK(16),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
@@ -239,12 +234,11 @@ static int __init mxs_clocksource_init(struct clk *timer_clk)
{
unsigned int c = clk_get_rate(timer_clk);
- if (timrot_is_v1()) {
- clocksource_mxs.read = timrotv1_get_cycles;
- clocksource_mxs.mask = CLOCKSOURCE_MASK(16);
- }
-
- clocksource_register_hz(&clocksource_mxs, c);
+ if (timrot_is_v1())
+ clocksource_register_hz(&clocksource_mxs, c);
+ else
+ clocksource_mmio_init(mxs_timrot_base + HW_TIMROT_RUNNING_COUNTn(1),
+ "mxs_timer", c, 200, 32, clocksource_mmio_readl_down);
return 0;
}