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Commit 4ec07bba authored by Ben Dooks's avatar Ben Dooks
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ARM: S3C2443: Use common clock gate code 



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: default avatarBen Dooks <ben-linux@fluff.org>
parent 87aef30e

arch/arm/mach-s3c2443/clock.c

+13 −35
Original line number Diff line number Diff line
@@ -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_p(struct clk *clk, int enable)

static int s3c2443_clkcon_enable_h(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 s3c2443_gate(S3C2443_HCLKCON, clk, enable);

}



	return 0;

static int s3c2443_clkcon_enable_p(struct clk *clk, int enable)

{

	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,