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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 02:15:27 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 02:15:27 +0400
commit42cd71bf1e3a081b3150018bbf448cb6c8a844a5 (patch)
tree4a5d2eb0444255e4ad827a76dbd1417dd3876db6 /arch/arm/mach-mxs/timer.c
parentf5039935ac685b3b9b8c13fbc33cac8643dee32e (diff)
parent9a55d9752d8abfc62f1ab05ccc790d22a0c8e7c0 (diff)
downloadlinux-42cd71bf1e3a081b3150018bbf448cb6c8a844a5.tar.xz
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (137 commits) ARM: bcmring: convert to use sp804 clockevents ARM: bcmring: convert to sp804 clocksource ARM: 6912/1: bcmring: Add clkdev table in init_early clockevents: ARM sp804: obtain sp804 timer rate via clks clockevents: ARM sp804: allow clockevent name to be specified clocksource: ARM sp804: obtain sp804 timer rate via clks clocksource: ARM sp804: allow clocksource name to be specified clocksource: convert OMAP1 to 32-bit down counting clocksource clocksource: convert MXS timrotv2 to 32-bit down counting clocksource clocksource: convert SPEAr platforms 16-bit up counting clocksource clocksource: convert Integrator/AP 16-bit down counting clocksource clocksource: convert W90x900 24-bit down counting clocksource clocksource: convert ARM 32-bit down counting clocksources clocksource: convert ARM 32-bit up counting clocksources clocksource: add common mmio clocksource ARM: update sa1100 to reflect PXA updates ARM: omap1: convert to using readl/writel instead of volatile struct ARM: omap1: delete useless interrupt handler ARM: s5p: consolidate selection of timer register ARM: 6939/1: fix missing 'cpu_relax()' declaration ...
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 13647f301860..cace0d2e5a55 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;
}