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ARM: S3C64XX: Combine the clock init code

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Turn the init sequence of
	s3c24xx_register_baseclocks(xtal);
	s3c64xx_register_clocks();
	s3c6400_register_clocks(S3C6410_CLKDIV0_ARM_MASK);

into a single call as this is now contained within one file.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2010-01-26 15:10:38 +09:00
parent 62acb2f82d
commit 55bf9267dd
5 changed files with 25 additions and 42 deletions
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54
arch/arm/mach-s3c64xx/clock.c
View File

@ -748,38 +748,6 @@ static struct clk *clks1[] __initdata = {
&clk_arm,
};
/**
* s3c6400_register_clocks - register clocks for s3c6400 and above
* @armclk_divlimit: Divisor mask for ARMCLK
*
* Register the clocks for the S3C6400 and above SoC range, such
* as ARMCLK and the clocks which have divider chains attached.
*
* This call does not setup the clocks, which is left to the
* s3c6400_setup_clocks() call which may be needed by the cpufreq
* or resume code to re-set the clocks if the bootloader has changed
* them.
*/
void __init s3c6400_register_clocks(unsigned armclk_divlimit)
{
struct clk *clkp;
int ret;
int ptr;
armclk_mask = armclk_divlimit;
for (ptr = 0; ptr < ARRAY_SIZE(clks1); ptr++) {
clkp = clks1[ptr];
ret = s3c24xx_register_clock(clkp);
if (ret < 0) {
printk(KERN_ERR "Failed to register clock %s (%d)\n",
clkp->name, ret);
}
}
s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
}
static struct clk *clks[] __initdata = {
&clk_ext,
&clk_epll,
@ -788,13 +756,31 @@ static struct clk *clks[] __initdata = {
&clk_h2,
};
void __init s3c64xx_register_clocks(void)
/**
* s3c64xx_register_clocks - register clocks for s3c6400 and s3c6410
* @xtal: The rate for the clock crystal feeding the PLLs.
* @armclk_divlimit: Divisor mask for ARMCLK.
*
* Register the clocks for the S3C6400 and S3C6410 SoC range, such
* as ARMCLK as well as the necessary parent clocks.
*
* This call does not setup the clocks, which is left to the
* s3c6400_setup_clocks() call which may be needed by the cpufreq
* or resume code to re-set the clocks if the bootloader has changed
* them.
*/
void __init s3c64xx_register_clocks(unsigned long xtal,
unsigned armclk_divlimit)
{
struct clk *clkp;
int ret;
int ptr;
armclk_mask = armclk_divlimit;
s3c24xx_register_baseclocks(xtal);
s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
clkp = init_clocks_disable;
@ -809,5 +795,7 @@ void __init s3c64xx_register_clocks(void)
(clkp->enable)(clkp, 0);
}
s3c24xx_register_clocks(clks1, ARRAY_SIZE(clks1));
s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
s3c_pwmclk_init();
}

3
arch/arm/mach-s3c64xx/include/mach/s3c6400.h
View File

@ -15,9 +15,10 @@
/* Common init code for S3C6400 related SoCs */
extern void s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
extern void s3c6400_register_clocks(unsigned armclk_divlimit);
extern void s3c6400_setup_clocks(void);
extern void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit);
#ifdef CONFIG_CPU_S3C6400
extern int s3c6400_init(void);

5
arch/arm/mach-s3c64xx/s3c6400.c
View File

@ -55,10 +55,7 @@ void __init s3c6400_map_io(void)
void __init s3c6400_init_clocks(int xtal)
{
printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
s3c24xx_register_baseclocks(xtal);
s3c64xx_register_clocks();
s3c6400_register_clocks(S3C6400_CLKDIV0_ARM_MASK);
s3c64xx_register_clocks(xtal, S3C6400_CLKDIV0_ARM_MASK);
s3c6400_setup_clocks();
}

4
arch/arm/mach-s3c64xx/s3c6410.c
View File

@ -58,9 +58,7 @@ void __init s3c6410_map_io(void)
void __init s3c6410_init_clocks(int xtal)
{
printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
s3c24xx_register_baseclocks(xtal);
s3c64xx_register_clocks();
s3c6400_register_clocks(S3C6410_CLKDIV0_ARM_MASK);
s3c64xx_register_clocks(xtal, S3C6410_CLKDIV0_ARM_MASK);
s3c6400_setup_clocks();
}

1
arch/arm/plat-samsung/include/plat/clock.h
View File

@ -94,7 +94,6 @@ extern void s3c_register_clocks(struct clk *clk, int nr_clks);
extern int s3c24xx_register_baseclocks(unsigned long xtal);
extern void s3c64xx_register_clocks(void);
extern void s5p_register_clocks(unsigned long xtal_freq);
extern void s3c24xx_setup_clocks(unsigned long fclk,