diff options
-rw-r--r-- | arch/arm/plat-s3c24xx/s3c2443-clock.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/s3c2443-clock.c b/arch/arm/plat-s3c24xx/s3c2443-clock.c index f9c5b0343cf..fea3d5c0252 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, }, }; |