[PATCH V3 2/3] clocksource: mmp: support CLOCKSOURCE OF DECLARE

[Neil Zhang]

support CLOCKSOURCE OF DECLARE for mmp timer.

Signed-off-by: Neil Zhang <zhan...@marvell.com>
---
 arch/arm/mach-mmp/mmp-dt.c  |    5 ++---
 arch/arm/mach-mmp/mmp2-dt.c |    3 +--
 arch/arm/mach-mmp/time.c    |   15 ++-------------
 3 files changed, 5 insertions(+), 18 deletions(-)

diff --git a/arch/arm/mach-mmp/mmp-dt.c b/arch/arm/mach-mmp/mmp-dt.c
index 62c5adb..87ab5ff 100644
--- a/arch/arm/mach-mmp/mmp-dt.c
+++ b/arch/arm/mach-mmp/mmp-dt.c
@@ -20,7 +20,6 @@
 #include "common.h"
 
 extern void __init mmp_dt_irq_init(void);
-extern void __init mmp_dt_init_timer(void);
 
 static const struct of_dev_auxdata pxa168_auxdata_lookup[] __initconst = {
        OF_DEV_AUXDATA("marvell,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
@@ -65,7 +64,7 @@ static const char *mmp_dt_board_compat[] __initdata = {
 DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
        .map_io         = mmp_map_io,
        .init_irq       = mmp_dt_irq_init,
-       .init_time      = mmp_dt_init_timer,
+       .init_time      = clocksource_of_init,
        .init_machine   = pxa168_dt_init,
        .dt_compat      = mmp_dt_board_compat,
 MACHINE_END
@@ -73,7 +72,7 @@ MACHINE_END
 DT_MACHINE_START(PXA910_DT, "Marvell PXA910 (Device Tree Support)")
        .map_io         = mmp_map_io,
        .init_irq       = mmp_dt_irq_init,
-       .init_time      = mmp_dt_init_timer,
+       .init_time      = clocksource_of_init,
        .init_machine   = pxa910_dt_init,
        .dt_compat      = mmp_dt_board_compat,
 MACHINE_END
diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c
index 6523ecf..0ce46f1 100644
--- a/arch/arm/mach-mmp/mmp2-dt.c
+++ b/arch/arm/mach-mmp/mmp2-dt.c
@@ -22,7 +22,6 @@
 #include "common.h"
 
 extern void __init mmp_dt_irq_init(void);
-extern void __init mmp_dt_init_timer(void);
 
 static const struct of_dev_auxdata mmp2_auxdata_lookup[] __initconst = {
        OF_DEV_AUXDATA("marvell,mmp-uart", 0xd4030000, "pxa2xx-uart.0", NULL),
@@ -50,7 +49,7 @@ static const char *mmp2_dt_board_compat[] __initdata = {
 DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)")
        .map_io         = mmp_map_io,
        .init_irq       = mmp_dt_irq_init,
-       .init_time      = mmp_dt_init_timer,
+       .init_time      = clocksource_of_init,
        .init_machine   = mmp2_dt_init,
        .dt_compat      = mmp2_dt_board_compat,
 MACHINE_END
diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c
index 67e7d5c..8f5d612 100644
--- a/arch/arm/mach-mmp/time.c
+++ b/arch/arm/mach-mmp/time.c
@@ -207,22 +207,10 @@ void __init timer_init(int irq)
 }
 
 #ifdef CONFIG_OF
-static struct of_device_id mmp_timer_dt_ids[] = {
-       { .compatible = "marvell,mmp-timer", },
-       {}
-};
-
-void __init mmp_dt_init_timer(void)
+static void __init mmp_of_init_timer(struct device_node *np)
 {
-       struct device_node *np;
        int irq, ret;
 
-       np = of_find_matching_node(NULL, mmp_timer_dt_ids);
-       if (!np) {
-               ret = -ENODEV;
-               goto out;
-       }
-
        irq = irq_of_parse_and_map(np, 0);
        if (!irq) {
                ret = -EINVAL;
@@ -238,4 +226,5 @@ void __init mmp_dt_init_timer(void)
 out:
        pr_err("Failed to get timer from device tree with error:%d\n", ret);
 }
+CLOCKSOURCE_OF_DECLARE(mmp_timer, "marvell,mmp-timer", mmp_of_init_timer);
 #endif
-- 
1.7.4.1

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