sh: add probe support for new sh7723 cut

[linux-2.6-omap-h63xx.git] / arch / sh / kernel / cpu / clock.c

diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 63251549e9a8b2dfddf1308f6ce13374cf8f9942..b5f1e23ed57cc3ef68a7bc6f05560f133fd0c8a2 100644 (file)
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -83,6 +83,8 @@ static void propagate_rate(struct clk *clk)
                        continue;
                if (likely(clkp->ops && clkp->ops->recalc))
                        clkp->ops->recalc(clkp);
+               if (unlikely(clkp->flags & CLK_RATE_PROPAGATES))
+                       propagate_rate(clkp);
        }
 }
 
@@ -229,6 +231,22 @@ void clk_recalc_rate(struct clk *clk)
 }
 EXPORT_SYMBOL_GPL(clk_recalc_rate);
 
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+       if (likely(clk->ops && clk->ops->round_rate)) {
+               unsigned long flags, rounded;
+
+               spin_lock_irqsave(&clock_lock, flags);
+               rounded = clk->ops->round_rate(clk, rate);
+               spin_unlock_irqrestore(&clock_lock, flags);
+
+               return rounded;
+       }
+
+       return clk_get_rate(clk);
+}
+EXPORT_SYMBOL_GPL(clk_round_rate);
+
 /*
  * Returns a clock. Note that we first try to use device id on the bus
  * and clock name. If this fails, we try to use clock name only.