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path: root/drivers/clocksource/timer-digicolor.c
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Diffstat (limited to 'drivers/clocksource/timer-digicolor.c')
-rw-r--r--drivers/clocksource/timer-digicolor.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/clocksource/timer-digicolor.c b/drivers/clocksource/timer-digicolor.c
index a536eeb634d8..10318cc99c0e 100644
--- a/drivers/clocksource/timer-digicolor.c
+++ b/drivers/clocksource/timer-digicolor.c
@@ -63,7 +63,7 @@ struct digicolor_timer {
int timer_id; /* one of TIMER_* */
};
-struct digicolor_timer *dc_timer(struct clock_event_device *ce)
+static struct digicolor_timer *dc_timer(struct clock_event_device *ce)
{
return container_of(ce, struct digicolor_timer, ce);
}
@@ -148,7 +148,7 @@ static u64 notrace digicolor_timer_sched_read(void)
return ~readl(dc_timer_dev.base + COUNT(TIMER_B));
}
-static void __init digicolor_timer_init(struct device_node *node)
+static int __init digicolor_timer_init(struct device_node *node)
{
unsigned long rate;
struct clk *clk;
@@ -161,19 +161,19 @@ static void __init digicolor_timer_init(struct device_node *node)
dc_timer_dev.base = of_iomap(node, 0);
if (!dc_timer_dev.base) {
pr_err("Can't map registers");
- return;
+ return -ENXIO;
}
irq = irq_of_parse_and_map(node, dc_timer_dev.timer_id);
if (irq <= 0) {
pr_err("Can't parse IRQ");
- return;
+ return -EINVAL;
}
clk = of_clk_get(node, 0);
if (IS_ERR(clk)) {
pr_err("Can't get timer clock");
- return;
+ return PTR_ERR(clk);
}
clk_prepare_enable(clk);
rate = clk_get_rate(clk);
@@ -190,13 +190,17 @@ static void __init digicolor_timer_init(struct device_node *node)
ret = request_irq(irq, digicolor_timer_interrupt,
IRQF_TIMER | IRQF_IRQPOLL, "digicolor_timerC",
&dc_timer_dev.ce);
- if (ret)
+ if (ret) {
pr_warn("request of timer irq %d failed (%d)\n", irq, ret);
+ return ret;
+ }
dc_timer_dev.ce.cpumask = cpu_possible_mask;
dc_timer_dev.ce.irq = irq;
clockevents_config_and_register(&dc_timer_dev.ce, rate, 0, 0xffffffff);
+
+ return 0;
}
CLOCKSOURCE_OF_DECLARE(conexant_digicolor, "cnxt,cx92755-timer",
digicolor_timer_init);