ARM: shmobile: add struct clk_ratio and fixed ratio clock macro
Renesas chip has many clocks inside,
and some of them are using fixed ratio via parent clock.
Current shmobile clock code is using own divX_recalc function
and divX_clk_ops.
This patch can reduce these code
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm/mach-shmobile/clock.c b/arch/arm/mach-shmobile/clock.c
index e816ca9..ad7df62 100644
--- a/arch/arm/mach-shmobile/clock.c
+++ b/arch/arm/mach-shmobile/clock.c
@@ -23,6 +23,19 @@
#include <linux/init.h>
#include <linux/sh_clk.h>
#include <linux/export.h>
+#include <mach/clock.h>
+#include <mach/common.h>
+
+unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk)
+{
+ struct clk_ratio *p = clk->priv;
+
+ return clk->parent->rate / p->div * p->mul;
+};
+
+struct sh_clk_ops shmobile_fixed_ratio_clk_ops = {
+ .recalc = shmobile_fixed_ratio_clk_recalc,
+};
int __init shmobile_clk_init(void)
{