diff options
Diffstat (limited to 'arch/blackfin/kernel/time-ts.c')
-rw-r--r-- | arch/blackfin/kernel/time-ts.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c index 4482c47c09e5..e887efc86c29 100644 --- a/arch/blackfin/kernel/time-ts.c +++ b/arch/blackfin/kernel/time-ts.c | |||
@@ -60,7 +60,7 @@ static inline unsigned long long cycles_2_ns(cycle_t cyc) | |||
60 | 60 | ||
61 | static cycle_t read_cycles(void) | 61 | static cycle_t read_cycles(void) |
62 | { | 62 | { |
63 | return get_cycles(); | 63 | return __bfin_cycles_off + (get_cycles() << __bfin_cycles_mod); |
64 | } | 64 | } |
65 | 65 | ||
66 | unsigned long long sched_clock(void) | 66 | unsigned long long sched_clock(void) |
@@ -117,7 +117,7 @@ static void bfin_timer_set_mode(enum clock_event_mode mode, | |||
117 | break; | 117 | break; |
118 | } | 118 | } |
119 | case CLOCK_EVT_MODE_ONESHOT: | 119 | case CLOCK_EVT_MODE_ONESHOT: |
120 | bfin_write_TSCALE(0); | 120 | bfin_write_TSCALE(TIME_SCALE - 1); |
121 | bfin_write_TCOUNT(0); | 121 | bfin_write_TCOUNT(0); |
122 | bfin_write_TCNTL(TMPWR | TMREN); | 122 | bfin_write_TCNTL(TMPWR | TMREN); |
123 | CSYNC(); | 123 | CSYNC(); |
@@ -183,10 +183,14 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) | |||
183 | 183 | ||
184 | static int __init bfin_clockevent_init(void) | 184 | static int __init bfin_clockevent_init(void) |
185 | { | 185 | { |
186 | unsigned long timer_clk; | ||
187 | |||
188 | timer_clk = get_cclk() / TIME_SCALE; | ||
189 | |||
186 | setup_irq(IRQ_CORETMR, &bfin_timer_irq); | 190 | setup_irq(IRQ_CORETMR, &bfin_timer_irq); |
187 | bfin_timer_init(); | 191 | bfin_timer_init(); |
188 | 192 | ||
189 | clockevent_bfin.mult = div_sc(get_cclk(), NSEC_PER_SEC, clockevent_bfin.shift); | 193 | clockevent_bfin.mult = div_sc(timer_clk, NSEC_PER_SEC, clockevent_bfin.shift); |
190 | clockevent_bfin.max_delta_ns = clockevent_delta2ns(-1, &clockevent_bfin); | 194 | clockevent_bfin.max_delta_ns = clockevent_delta2ns(-1, &clockevent_bfin); |
191 | clockevent_bfin.min_delta_ns = clockevent_delta2ns(100, &clockevent_bfin); | 195 | clockevent_bfin.min_delta_ns = clockevent_delta2ns(100, &clockevent_bfin); |
192 | clockevents_register_device(&clockevent_bfin); | 196 | clockevents_register_device(&clockevent_bfin); |