clocksource:sirf: remove the hardcode for the clk of timers
Nobody want to know the connection between io clk and timer clk,
so exposing this information to timer module is not reasonable.
this patch moves to define the timers' clk in dt.
Signed-off-by: Zhiwu Song <Zhiwu.Song@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
diff --git a/drivers/clocksource/timer-marco.c b/drivers/clocksource/timer-marco.c
index b52e1c0..571d109 100644
--- a/drivers/clocksource/timer-marco.c
+++ b/drivers/clocksource/timer-marco.c
@@ -252,15 +252,13 @@
}
/* initialize the kernel jiffy timer source */
-static void __init sirfsoc_marco_timer_init(void)
+static void __init sirfsoc_marco_timer_init(struct device_node *np)
{
unsigned long rate;
u32 timer_div;
struct clk *clk;
- /* timer's input clock is io clock */
- clk = clk_get_sys("io", NULL);
-
+ clk = of_clk_get(np, 0);
BUG_ON(IS_ERR(clk));
rate = clk_get_rate(clk);
@@ -303,6 +301,6 @@
if (!sirfsoc_timer1_irq.irq)
panic("No irq passed for timer1 via DT\n");
- sirfsoc_marco_timer_init();
+ sirfsoc_marco_timer_init(np);
}
CLOCKSOURCE_OF_DECLARE(sirfsoc_marco_timer, "sirf,marco-tick", sirfsoc_of_timer_init );