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clocksource: sunxi: make use of CLKSRC_OF

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Using CLKSRC_OF allows to remove the SoC specific sunxi_timer.h header,
and instead of using a custom init function in the machine definition
use the standard clocksource_of_init function.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Maxime Ripard 2013-03-24 00:01:48 +01:00
commit ea71d9a600
4 changed files with 13 additions and 41 deletions
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18
drivers/clocksource/sunxi_timer.c
View file

@ -22,8 +22,6 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/sunxi_timer.h>
#include <linux/clk/sunxi.h>
#define TIMER_IRQ_EN_REG 0x00
#define TIMER_IRQ_EN(val) (1 << val)
@ -98,23 +96,13 @@ static struct irqaction sunxi_timer_irq = {
.dev_id = &sunxi_clockevent,
};
static struct of_device_id sunxi_timer_dt_ids[] = {
{ .compatible = "allwinner,sunxi-timer" },
{ }
};
void __init sunxi_timer_init(void)
static void __init sunxi_timer_init(struct device_node *node)
{
struct device_node *node;
unsigned long rate = 0;
struct clk *clk;
int ret, irq;
u32 val;
node = of_find_matching_node(NULL, sunxi_timer_dt_ids);
if (!node)
panic("No sunxi timer node");
timer_base = of_iomap(node, 0);
if (!timer_base)
panic("Can't map registers");
@ -123,8 +111,6 @@ void __init sunxi_timer_init(void)
if (irq <= 0)
panic("Can't parse IRQ");
sunxi_init_clocks();
clk = of_clk_get(node, 0);
if (IS_ERR(clk))
panic("Can't get timer clock");
@ -158,3 +144,5 @@ void __init sunxi_timer_init(void)
clockevents_config_and_register(&sunxi_clockevent, rate / TIMER_SCAL,
0x1, 0xff);
}
CLOCKSOURCE_OF_DECLARE(sunxi, "allwinner,sunxi-timer",
sunxi_timer_init);