From 5f33bd76f5c4df45cd5b2e4132c6451dac8afee9 Mon Sep 17 00:00:00 2001 From: Heiko Stuebner Date: Fri, 14 Oct 2011 15:08:56 +0900 Subject: ARM: S3C2443: Add get_rate operation for clk_armdiv Signed-off-by: Heiko Stuebner Signed-off-by: Kukjin Kim --- arch/arm/plat-s3c24xx/s3c2443-clock.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch') diff --git a/arch/arm/plat-s3c24xx/s3c2443-clock.c b/arch/arm/plat-s3c24xx/s3c2443-clock.c index f9c5b0343cf3..fea3d5c0252e 100644 --- a/arch/arm/plat-s3c24xx/s3c2443-clock.c +++ b/arch/arm/plat-s3c24xx/s3c2443-clock.c @@ -189,6 +189,19 @@ static unsigned long s3c2443_armclk_roundrate(struct clk *clk, return parent / best; } +static unsigned long s3c2443_armclk_getrate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + unsigned long clkcon0; + int val; + + clkcon0 = __raw_readl(S3C2443_CLKDIV0); + clkcon0 &= armdivmask; + val = clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT; + + return rate / armdiv[val]; +} + static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate) { unsigned long parent = clk_get_rate(clk->parent); @@ -224,6 +237,7 @@ static struct clk clk_armdiv = { .parent = &clk_msysclk.clk, .ops = &(struct clk_ops) { .round_rate = s3c2443_armclk_roundrate, + .get_rate = s3c2443_armclk_getrate, .set_rate = s3c2443_armclk_setrate, }, }; -- cgit v1.2.1