diff options
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/timer.c | 20 |
2 files changed, 8 insertions, 13 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index cbc27fb1256..43f003a5a0f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -376,6 +376,7 @@ config ARCH_MXS select GENERIC_CLOCKEVENTS select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP + select CLKSRC_MMIO help Support for Freescale MXS-based family of processors 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; } |