S3C2443: Add get_rate operation for clk_armdiv
From: Heiko Stuebner <heiko.stuebner@...> Date: Tue, 27 Sep 2011 11:48:04 +0200
Commit-Message
Signed-off-by: Heiko Stuebner <heiko@...>
Patch-Comment
arch/arm/plat-s3c24xx/s3c2443-clock.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)
Statistics
- 14 lines added
- 0 lines removed
Changes
-------------------- arch/arm/plat-s3c24xx/s3c2443-clock.c ---------------------
index f9c5b03..fea3d5c 100644
@@ -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,
},
};