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Commit 98a7069b authored by Sylwester Nawrocki's avatar Sylwester Nawrocki Committed by Kukjin Kim
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ARM: S3C24XX: Add .get_rate callback for "camif-upll" clock



Add missing get_rate callback for the "camif-upll" clock, so frequency
of this clock is properly reported with clk_get_rate().

Signed-off-by: default avatarSylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 859a09e6
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+14 −0
Original line number Diff line number Diff line
@@ -87,6 +87,19 @@ static int s3c2440_camif_upll_setrate(struct clk *clk, unsigned long rate)
	return 0;
}

static unsigned long s3c2440_camif_upll_getrate(struct clk *clk)
{
	unsigned long parent_rate = clk_get_rate(clk->parent);
	unsigned long camdivn =  __raw_readl(S3C2440_CAMDIVN);

	if (!(camdivn & S3C2440_CAMDIVN_CAMCLK_SEL))
		return parent_rate;

	camdivn &= S3C2440_CAMDIVN_CAMCLK_MASK;

	return parent_rate / (camdivn + 1) / 2;
}

/* Extra S3C2440 clocks */

static struct clk s3c2440_clk_cam = {
@@ -99,6 +112,7 @@ static struct clk s3c2440_clk_cam_upll = {
	.name		= "camif-upll",
	.ops		= &(struct clk_ops) {
		.set_rate	= s3c2440_camif_upll_setrate,
		.get_rate	= s3c2440_camif_upll_getrate,
		.round_rate	= s3c2440_camif_upll_round,
	},
};