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-rw-r--r--arch/arm/mach-mmp/clock.c15
-rw-r--r--arch/arm/mach-mmp/clock.h1
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/clock.c b/arch/arm/mach-mmp/clock.c
index 886e05648f0..7c6f95f2914 100644
--- a/arch/arm/mach-mmp/clock.c
+++ b/arch/arm/mach-mmp/clock.c
@@ -88,3 +88,18 @@ unsigned long clk_get_rate(struct clk *clk)
return rate;
}
EXPORT_SYMBOL(clk_get_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned long flags;
+ int ret = -EINVAL;
+
+ if (clk->ops->setrate) {
+ spin_lock_irqsave(&clocks_lock, flags);
+ ret = clk->ops->setrate(clk, rate);
+ spin_unlock_irqrestore(&clocks_lock, flags);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(clk_set_rate);
diff --git a/arch/arm/mach-mmp/clock.h b/arch/arm/mach-mmp/clock.h
index 9b027d7491f..3143e994e67 100644
--- a/arch/arm/mach-mmp/clock.h
+++ b/arch/arm/mach-mmp/clock.h
@@ -12,6 +12,7 @@ struct clkops {
void (*enable)(struct clk *);
void (*disable)(struct clk *);
unsigned long (*getrate)(struct clk *);
+ int (*setrate)(struct clk *, unsigned long);
};
struct clk {