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authorGregory CLEMENT <gregory.clement@free-electrons.com>2012-11-17 15:22:25 +0100
committerThomas Petazzoni <thomas.petazzoni@free-electrons.com>2012-11-20 14:46:49 +0100
commit307c2bf467e3682c6df1b8186365224fd2d581d3 (patch)
treee746efe036e9e5bf44599239f3edf5f1106d5b18 /drivers/clocksource
parent9d2027830c6306b079d5e888d40ec1f2efebd6ad (diff)
downloadop-kernel-dev-307c2bf467e3682c6df1b8186365224fd2d581d3.zip
op-kernel-dev-307c2bf467e3682c6df1b8186365224fd2d581d3.tar.gz
clocksource: convert time-armada-370-xp to clk framework
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Tested-by Gregory CLEMENT <gregory.clement@free-electrons.com>
Diffstat (limited to 'drivers/clocksource')
-rw-r--r--drivers/clocksource/time-armada-370-xp.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c
index 4674f94..a4605fd 100644
--- a/drivers/clocksource/time-armada-370-xp.c
+++ b/drivers/clocksource/time-armada-370-xp.c
@@ -18,6 +18,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
+#include <linux/clk.h>
#include <linux/timer.h>
#include <linux/clockchips.h>
#include <linux/interrupt.h>
@@ -167,7 +168,6 @@ void __init armada_370_xp_timer_init(void)
u32 u;
struct device_node *np;
unsigned int timer_clk;
- int ret;
np = of_find_compatible_node(NULL, NULL, "marvell,armada-370-xp-timer");
timer_base = of_iomap(np, 0);
WARN_ON(!timer_base);
@@ -179,13 +179,14 @@ void __init armada_370_xp_timer_init(void)
timer_base + TIMER_CTRL_OFF);
timer_clk = 25000000;
} else {
- u32 clk = 0;
- ret = of_property_read_u32(np, "clock-frequency", &clk);
- WARN_ON(!clk || ret < 0);
+ unsigned long rate = 0;
+ struct clk *clk = of_clk_get(np, 0);
+ WARN_ON(IS_ERR(clk));
+ rate = clk_get_rate(clk);
u = readl(timer_base + TIMER_CTRL_OFF);
writel(u & ~(TIMER0_25MHZ | TIMER1_25MHZ),
timer_base + TIMER_CTRL_OFF);
- timer_clk = clk / TIMER_DIVIDER;
+ timer_clk = rate / TIMER_DIVIDER;
}
/* We use timer 0 as clocksource, and timer 1 for
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