sh: clkfwk: Add a followparent_recalc() helper.

This adds a followparent_recalc() helper for clocks that just follow the
parent's rate. Switch over the few CPUs that use this scheme for some of
their clocks.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index b022affb44cd..17f6c078e851 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -90,6 +90,12 @@ static void propagate_rate(struct clk *clk)
 	}
 }
 
+/* Used for clocks that always have same value as the parent clock */
+unsigned long followparent_recalc(struct clk *clk)
+{
+	return clk->parent->rate;
+}
+
 static void __clk_init(struct clk *clk)
 {
 	/*