diff options
Diffstat (limited to 'drivers/clocksource/dw_apb_timer_of.c')
| -rw-r--r-- | drivers/clocksource/dw_apb_timer_of.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c index 4cbae4f762b1..2a2ea2717f3a 100644 --- a/drivers/clocksource/dw_apb_timer_of.c +++ b/drivers/clocksource/dw_apb_timer_of.c @@ -23,7 +23,7 @@ #include <linux/clk.h> #include <linux/sched_clock.h> -static void timer_get_base_and_rate(struct device_node *np, +static void __init timer_get_base_and_rate(struct device_node *np, void __iomem **base, u32 *rate) { struct clk *timer_clk; @@ -55,11 +55,11 @@ static void timer_get_base_and_rate(struct device_node *np, try_clock_freq: if (of_property_read_u32(np, "clock-freq", rate) && - of_property_read_u32(np, "clock-frequency", rate)) + of_property_read_u32(np, "clock-frequency", rate)) panic("No clock nor clock-frequency property for %s", np->name); } -static void add_clockevent(struct device_node *event_timer) +static void __init add_clockevent(struct device_node *event_timer) { void __iomem *iobase; struct dw_apb_clock_event_device *ced; @@ -82,7 +82,7 @@ static void add_clockevent(struct device_node *event_timer) static void __iomem *sched_io_base; static u32 sched_rate; -static void add_clocksource(struct device_node *source_timer) +static void __init add_clocksource(struct device_node *source_timer) { void __iomem *iobase; struct dw_apb_clocksource *cs; @@ -106,18 +106,17 @@ static void add_clocksource(struct device_node *source_timer) sched_rate = rate; } -static u32 read_sched_clock(void) +static u64 read_sched_clock(void) { - return __raw_readl(sched_io_base); + return ~__raw_readl(sched_io_base); } static const struct of_device_id sptimer_ids[] __initconst = { { .compatible = "picochip,pc3x2-rtc" }, - { .compatible = "snps,dw-apb-timer-sp" }, { /* Sentinel */ }, }; -static void init_sched_clock(void) +static void __init init_sched_clock(void) { struct device_node *sched_timer; @@ -128,7 +127,7 @@ static void init_sched_clock(void) of_node_put(sched_timer); } - setup_sched_clock(read_sched_clock, 32, sched_rate); + sched_clock_register(read_sched_clock, 32, sched_rate); } static int num_called; @@ -138,12 +137,10 @@ static void __init dw_apb_timer_init(struct device_node *timer) case 0: pr_debug("%s: found clockevent timer\n", __func__); add_clockevent(timer); - of_node_put(timer); break; case 1: pr_debug("%s: found clocksource timer\n", __func__); add_clocksource(timer); - of_node_put(timer); init_sched_clock(); break; default: @@ -153,4 +150,6 @@ static void __init dw_apb_timer_init(struct device_node *timer) num_called++; } CLOCKSOURCE_OF_DECLARE(pc3x2_timer, "picochip,pc3x2-timer", dw_apb_timer_init); -CLOCKSOURCE_OF_DECLARE(apb_timer, "snps,dw-apb-timer-osc", dw_apb_timer_init); +CLOCKSOURCE_OF_DECLARE(apb_timer_osc, "snps,dw-apb-timer-osc", dw_apb_timer_init); +CLOCKSOURCE_OF_DECLARE(apb_timer_sp, "snps,dw-apb-timer-sp", dw_apb_timer_init); +CLOCKSOURCE_OF_DECLARE(apb_timer, "snps,dw-apb-timer", dw_apb_timer_init); |