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ARM: S3C2443: Use common clock gate code

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Add common clock gate code for each of the S3C2443 clock gate code. Whether
to move this elsewhere will be decided later.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2010-01-30 15:02:58 +09:00
parent 87aef30eb3
commit 4ec07bba69
1 changed files with 13 additions and 35 deletions
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48
arch/arm/mach-s3c2443/clock.c
View file

@ -53,55 +53,33 @@
* set the correct muxing at initialisation
*/
static int s3c2443_clkcon_enable_h(struct clk *clk, int enable)
static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable)
{
unsigned int clocks = clk->ctrlbit;
unsigned long clkcon;
clkcon = __raw_readl(S3C2443_HCLKCON);
u32 ctrlbit = clk->ctrlbit;
u32 con = __raw_readl(reg);
if (enable)
clkcon |= clocks;
con |= ctrlbit;
else
clkcon &= ~clocks;
__raw_writel(clkcon, S3C2443_HCLKCON);
con &= ~ctrlbit;
__raw_writel(con, reg);
return 0;
}
static int s3c2443_clkcon_enable_h(struct clk *clk, int enable)
{
return s3c2443_gate(S3C2443_HCLKCON, clk, enable);
}
static int s3c2443_clkcon_enable_p(struct clk *clk, int enable)
{
unsigned int clocks = clk->ctrlbit;
unsigned long clkcon;
clkcon = __raw_readl(S3C2443_PCLKCON);
if (enable)
clkcon |= clocks;
else
clkcon &= ~clocks;
__raw_writel(clkcon, S3C2443_PCLKCON);
return 0;
return s3c2443_gate(S3C2443_PCLKCON, clk, enable);
}
static int s3c2443_clkcon_enable_s(struct clk *clk, int enable)
{
unsigned int clocks = clk->ctrlbit;
unsigned long clkcon;
clkcon = __raw_readl(S3C2443_SCLKCON);
if (enable)
clkcon |= clocks;
else
clkcon &= ~clocks;
__raw_writel(clkcon, S3C2443_SCLKCON);
return 0;
return s3c2443_gate(S3C2443_SCLKCON, clk, enable);
}
static unsigned long s3c2443_roundrate_clksrc(struct clk *clk,