ARM: at91: properly initialize timer
Use clocksource_of_init to initialize the system timer instead of relying on a
custom function.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 7634e10..eaf58f8 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -23,12 +23,6 @@
{ /* sentinel */ },
};
-static void __init at91rm9200_dt_timer_init(void)
-{
- of_clk_init(NULL);
- at91rm9200_timer_init();
-}
-
static void __init at91rm9200_dt_device_init(void)
{
struct soc_device *soc;
@@ -50,7 +44,6 @@
};
DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200")
- .init_time = at91rm9200_dt_timer_init,
.init_machine = at91rm9200_dt_device_init,
.dt_compat = at91rm9200_dt_board_compat,
MACHINE_END
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index b00d095..7d062ab 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -222,7 +222,7 @@
/*
* ST (system timer) module supports both clockevents and clocksource.
*/
-void __init at91rm9200_timer_init(void)
+static void __init atmel_st_timer_init(struct device_node *node)
{
/* For device tree enabled device: initialize here */
of_at91rm9200_st_init();
@@ -249,3 +249,5 @@
/* register clocksource */
clocksource_register_hz(&clk32k, AT91_SLOW_CLOCK);
}
+CLOCKSOURCE_OF_DECLARE(atmel_st_timer, "atmel,at91rm9200-st",
+ atmel_st_timer_init);
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index 2b396c4..b0fa7dc 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -18,9 +18,6 @@
extern void __init at91_map_io(void);
extern void __init at91_alt_map_io(void);
- /* Timer */
-extern void at91rm9200_timer_init(void);
-
/* idle */
extern void at91rm9200_idle(void);
extern void at91sam9_idle(void);