On 21/10/10 01:58, Kukjin Kim wrote:
> From: Seungwhan Youn <sw.youn@xxxxxxxxxxx>
>
> This patch adds DMA operation clock which is disabled as default.
>
> Signed-off-by: Seungwhan Youn <sw.youn@xxxxxxxxxxx>
> Acked-by: Jassi Brar <jassi.brar@xxxxxxxxxxx>
> Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
> ---
> arch/arm/mach-s5p6442/clock.c | 28 +++++++++++++++++++++++
> arch/arm/mach-s5p6442/include/mach/regs-clock.h | 1 +
> 2 files changed, 29 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-s5p6442/clock.c b/arch/arm/mach-s5p6442/clock.c
> index dcd20f1..16d6e7e 100644
> --- a/arch/arm/mach-s5p6442/clock.c
> +++ b/arch/arm/mach-s5p6442/clock.c
> @@ -192,6 +192,11 @@ static struct clk clk_pclkd1 = {
> .parent = &clk_hclkd1,
> };
>
> +int s5p6442_clk_ip0_ctrl(struct clk *clk, int enable)
> +{
> + return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable);
> +}
> +
> int s5p6442_clk_ip3_ctrl(struct clk *clk, int enable)
> {
> return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
> @@ -335,6 +340,16 @@ void __init_or_cpufreq s5p6442_setup_clocks(void)
> clk_pclkd1.rate = pclkd1;
> }
>
> +static struct clk init_clocks_disable[] = {
> + {
> + .name = "pdma",
> + .id = -1,
> + .parent = &clk_pclkd1,
> + .enable = s5p6442_clk_ip0_ctrl,
> + .ctrlbit = (1 << 3),
> + },
> +};
> +
> static struct clk init_clocks[] = {
> {
> .name = "systimer",
> @@ -393,10 +408,23 @@ static struct clk *clks[] __initdata = {
>
> void __init s5p6442_register_clocks(void)
> {
> + struct clk *clkptr;
> + int i, ret;
> +
> s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
>
> s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
> s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
>
> + clkptr = init_clocks_disable;
> + for (i = 0; i < ARRAY_SIZE(init_clocks_disable); i++, clkptr++) {
> + ret = s3c24xx_register_clock(clkptr);
> + if (ret < 0) {
> + printk(KERN_ERR "Fail to register clock %s (%d)\n",
> + clkptr->name, ret);
> + } else
> + (clkptr->enable)(clkptr, 0);
> + }
how about using s3c_register_clocks and then s3c_disable_clocks() ?
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