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Subject[PATCH v4 7/9] clocksource: atmel-st: properly initialize driver
Date
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>
---
arch/arm/mach-at91/at91rm9200.c | 7 -------
arch/arm/mach-at91/generic.h | 3 ---
drivers/clocksource/timer-atmel-st.c | 4 +++-
3 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 2386d08d65e8..5efb075294e5 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -26,12 +26,6 @@

#include "generic.h"

-static void __init at91rm9200_dt_timer_init(void)
-{
- of_clk_init(NULL);
- at91rm9200_timer_init();
-}
-
static void __init at91rm9200_dt_device_init(void)
{
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
@@ -48,7 +42,6 @@ static const char *at91rm9200_dt_board_compat[] __initconst = {
};

DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200")
- .init_time = at91rm9200_dt_timer_init,
.map_io = at91_map_io,
.init_machine = at91rm9200_dt_device_init,
.dt_compat = at91rm9200_dt_board_compat,
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index 583369ffc284..6c953bff13d6 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);
diff --git a/drivers/clocksource/timer-atmel-st.c b/drivers/clocksource/timer-atmel-st.c
index b00d09555f2b..7d062ab32674 100644
--- a/drivers/clocksource/timer-atmel-st.c
+++ b/drivers/clocksource/timer-atmel-st.c
@@ -222,7 +222,7 @@ err:
/*
* 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 @@ void __init at91rm9200_timer_init(void)
/* register clocksource */
clocksource_register_hz(&clk32k, AT91_SLOW_CLOCK);
}
+CLOCKSOURCE_OF_DECLARE(atmel_st_timer, "atmel,at91rm9200-st",
+ atmel_st_timer_init);
--
2.1.0


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