ARM: davinci: pass clock as parameter to davinci_timer_init()

This changes davinci_timer_init() so that we pass the clock as a
parameter instead of using clk_get(). This is done in preparation
for converting to the common clock framework.

It removes the requirement that we have to have a clock with con_id
of "timer0", which will be good for DT bindings since clock-names =
"timer0" doesn't really make sense.

Also, drop use of extern in header file since we are touching the
definition.

Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
David Lechner 2018-05-18 11:48:06 -05:00 committed by Sekhar Nori
parent ce397d215c
commit a7da5277cd
8 changed files with 9 additions and 11 deletions

View file

@ -1224,5 +1224,5 @@ void __init da830_init(void)
void __init da830_init_time(void)
{
davinci_clk_init(da830_clks);
davinci_timer_init();
davinci_timer_init(&timerp64_0_clk);
}

View file

@ -1396,5 +1396,5 @@ void __init da850_init(void)
void __init da850_init_time(void)
{
davinci_clk_init(da850_clks);
davinci_timer_init();
davinci_timer_init(&timerp64_0_clk);
}

View file

@ -1047,7 +1047,7 @@ void __init dm355_init(void)
void __init dm355_init_time(void)
{
davinci_clk_init(dm355_clks);
davinci_timer_init();
davinci_timer_init(&timer0_clk);
}
int __init dm355_init_video(struct vpfe_config *vpfe_cfg,

View file

@ -1172,7 +1172,7 @@ void __init dm365_init(void)
void __init dm365_init_time(void)
{
davinci_clk_init(dm365_clks);
davinci_timer_init();
davinci_timer_init(&timer0_clk);
}
static struct resource dm365_vpss_resources[] = {

View file

@ -935,7 +935,7 @@ void __init dm644x_init(void)
void __init dm644x_init_time(void)
{
davinci_clk_init(dm644x_clks);
davinci_timer_init();
davinci_timer_init(&timer0_clk);
}
int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,

View file

@ -957,7 +957,7 @@ void __init dm646x_init_time(unsigned long ref_clk_rate,
ref_clk.rate = ref_clk_rate;
aux_clkin.rate = aux_clkin_rate;
davinci_clk_init(dm646x_clks);
davinci_timer_init();
davinci_timer_init(&timer0_clk);
}
static int __init dm646x_init_devices(void)

View file

@ -12,11 +12,12 @@
#ifndef __ARCH_ARM_MACH_DAVINCI_COMMON_H
#define __ARCH_ARM_MACH_DAVINCI_COMMON_H
#include <linux/clk.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/reboot.h>
extern void davinci_timer_init(void);
void davinci_timer_init(struct clk *clk);
extern void davinci_irq_init(void);
extern void __iomem *davinci_intc_base;

View file

@ -334,10 +334,8 @@ static struct clock_event_device clockevent_davinci = {
.set_state_oneshot = davinci_set_oneshot,
};
void __init davinci_timer_init(void)
void __init davinci_timer_init(struct clk *timer_clk)
{
struct clk *timer_clk;
struct davinci_soc_info *soc_info = &davinci_soc_info;
unsigned int clockevent_id;
unsigned int clocksource_id;
@ -373,7 +371,6 @@ void __init davinci_timer_init(void)
}
}
timer_clk = clk_get(NULL, "timer0");
BUG_ON(IS_ERR(timer_clk));
clk_prepare_enable(timer_clk);