Merge branch 'smsc47b397-new-id' into release

[linux-2.6-omap-h63xx.git] / arch / arm / plat-s3c24xx / clock.c

diff --git a/arch/arm/plat-s3c24xx/clock.c b/arch/arm/plat-s3c24xx/clock.c
index d3dc03a7383a0379c0f467fe082948df85931913..99a44746f8f27f89fb4943197a1d6b55b1a259c8 100644 (file)
--- a/arch/arm/plat-s3c24xx/clock.c
+++ b/arch/arm/plat-s3c24xx/clock.c
@@ -172,6 +172,15 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
        if (IS_ERR(clk))
                return -EINVAL;
 
+       /* We do not default just do a clk->rate = rate as
+        * the clock may have been made this way by choice.
+        */
+
+       WARN_ON(clk->set_rate == NULL);
+
+       if (clk->set_rate == NULL)
+               return -EINVAL;
+
        mutex_lock(&clocks_mutex);
        ret = (clk->set_rate)(clk, rate);
        mutex_unlock(&clocks_mutex);
@@ -213,6 +222,12 @@ EXPORT_SYMBOL(clk_set_parent);
 
 /* base clocks */
 
+static int clk_default_setrate(struct clk *clk, unsigned long rate)
+{
+       clk->rate = rate;
+       return 0;
+}
+
 struct clk clk_xtal = {
        .name           = "xtal",
        .id             = -1,
@@ -224,6 +239,7 @@ struct clk clk_xtal = {
 struct clk clk_mpll = {
        .name           = "mpll",
        .id             = -1,
+       .set_rate       = clk_default_setrate,
 };
 
 struct clk clk_upll = {
@@ -239,6 +255,7 @@ struct clk clk_f = {
        .rate           = 0,
        .parent         = &clk_mpll,
        .ctrlbit        = 0,
+       .set_rate       = clk_default_setrate,
 };
 
 struct clk clk_h = {
@@ -247,6 +264,7 @@ struct clk clk_h = {
        .rate           = 0,
        .parent         = NULL,
        .ctrlbit        = 0,
+       .set_rate       = clk_default_setrate,
 };
 
 struct clk clk_p = {
@@ -255,6 +273,7 @@ struct clk clk_p = {
        .rate           = 0,
        .parent         = NULL,
        .ctrlbit        = 0,
+       .set_rate       = clk_default_setrate,
 };
 
 struct clk clk_usb_bus = {
@@ -404,6 +423,18 @@ int s3c24xx_register_clock(struct clk *clk)
        return 0;
 }
 
+int s3c24xx_register_clocks(struct clk **clks, int nr_clks)
+{
+       int fails = 0;
+
+       for (; nr_clks > 0; nr_clks--, clks++) {
+               if (s3c24xx_register_clock(*clks) < 0)
+                       fails++;
+       }
+
+       return fails;
+}
+
 /* initalise all the clocks */
 
 int __init s3c24xx_setup_clocks(unsigned long xtal,