ARM: 7104/1: plat-pxa: break out GPIO driver specifics

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-mmp / clock.c

diff --git a/arch/arm/mach-mmp/clock.c b/arch/arm/mach-mmp/clock.c
index 886e05648f08a5a4975bc0257b2b0929e9fffc1f..7c6f95f291425c5fd3fc3d5c8969d4e9f739201f 100644 (file)
--- 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);