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path: root/drivers/clocksource/timer-imx-gpt.c
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Diffstat (limited to 'drivers/clocksource/timer-imx-gpt.c')
-rw-r--r--drivers/clocksource/timer-imx-gpt.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c
index 165fbbb1c9a0..706c0d0ff56c 100644
--- a/drivers/clocksource/timer-imx-gpt.c
+++ b/drivers/clocksource/timer-imx-gpt.c
@@ -141,21 +141,25 @@ static u64 notrace mxc_read_sched_clock(void)
return sched_clock_reg ? readl_relaxed(sched_clock_reg) : 0;
}
+#if defined(CONFIG_ARM)
static struct delay_timer imx_delay_timer;
static unsigned long imx_read_current_timer(void)
{
return readl_relaxed(sched_clock_reg);
}
+#endif
static int __init mxc_clocksource_init(struct imx_timer *imxtm)
{
unsigned int c = clk_get_rate(imxtm->clk_per);
void __iomem *reg = imxtm->base + imxtm->gpt->reg_tcn;
+#if defined(CONFIG_ARM)
imx_delay_timer.read_current_timer = &imx_read_current_timer;
imx_delay_timer.freq = c;
register_current_timer_delay(&imx_delay_timer);
+#endif
sched_clock_reg = reg;
@@ -198,15 +202,8 @@ static int v2_set_next_event(unsigned long evt,
static int mxc_shutdown(struct clock_event_device *ced)
{
struct imx_timer *imxtm = to_imx_timer(ced);
- unsigned long flags;
u32 tcn;
- /*
- * The timer interrupt generation is disabled at least
- * for enough time to call mxc_set_next_event()
- */
- local_irq_save(flags);
-
/* Disable interrupt in GPT module */
imxtm->gpt->gpt_irq_disable(imxtm);
@@ -221,21 +218,12 @@ static int mxc_shutdown(struct clock_event_device *ced)
printk(KERN_INFO "%s: changing mode\n", __func__);
#endif /* DEBUG */
- local_irq_restore(flags);
-
return 0;
}
static int mxc_set_oneshot(struct clock_event_device *ced)
{
struct imx_timer *imxtm = to_imx_timer(ced);
- unsigned long flags;
-
- /*
- * The timer interrupt generation is disabled at least
- * for enough time to call mxc_set_next_event()
- */
- local_irq_save(flags);
/* Disable interrupt in GPT module */
imxtm->gpt->gpt_irq_disable(imxtm);
@@ -260,7 +248,6 @@ static int mxc_set_oneshot(struct clock_event_device *ced)
* mode switching
*/
imxtm->gpt->gpt_irq_enable(imxtm);
- local_irq_restore(flags);
return 0;
}