From: ben-linux@fluff•org (Ben Dooks)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 1/5] ARM: S5P6442: Add DMA operation clock
Date: Thu, 21 Oct 2010 23:22:11 +0100 [thread overview]
Message-ID: <4CC0BD13.5060303@fluff.org> (raw)
In-Reply-To: <1287622713-1657-2-git-send-email-kgene.kim@samsung.com>
On 21/10/10 01:58, Kukjin Kim wrote:
> From: Seungwhan Youn <sw.youn@samsung•com>
>
> This patch adds DMA operation clock which is disabled as default.
>
> Signed-off-by: Seungwhan Youn <sw.youn@samsung•com>
> Acked-by: Jassi Brar <jassi.brar@samsung•com>
> Signed-off-by: Kukjin Kim <kgene.kim@samsung•com>
> ---
> 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() ?
next prev parent reply other threads:[~2010-10-21 22:22 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-21 0:58 [PATCH 0/5] ARM: S5P: Update DMA operation clock Kukjin Kim
2010-10-21 0:58 ` [PATCH 1/5] ARM: S5P6442: Add " Kukjin Kim
2010-10-21 22:22 ` Ben Dooks [this message]
2010-10-22 5:20 ` Kukjin Kim
2010-10-21 0:58 ` [PATCH 2/5] ARM: S5PV210: " Kukjin Kim
2010-10-21 0:58 ` [PATCH 3/5] ARM: S5P64X0: Set DMA clock disable as default Kukjin Kim
2010-10-21 0:58 ` [PATCH 4/5] ARM: S5P: Reorder DMA platform device id Kukjin Kim
2010-10-21 0:58 ` [PATCH 5/5] ARM: SAMSUNG: Add to enable/disable clock on S3C PL330 Kukjin Kim
2010-10-21 1:32 ` Kyungmin Park
2010-10-21 1:45 ` Jassi Brar
2010-10-21 1:49 ` Kyungmin Park
2010-10-21 1:54 ` Jassi Brar
2010-10-21 2:12 ` Kyungmin Park
2010-10-21 2:19 ` Jassi Brar
2010-10-21 2:41 ` Kukjin Kim
2010-10-21 2:36 ` Kukjin Kim
2010-10-21 3:54 ` Kyungmin Park
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