---

yaml --- r: 62148 b: refs/heads/master c: fe04d77 h: refs/heads/master v: v3
git-mirror · Jul 20, 2007 · 43731c9 · 43731c9
1 parent b41b43b
commit 43731c9
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Showing 2 changed files with 16 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f6991b0456416186b578d38717efcda2b012b79c
+refs/heads/master: fe04d7798f611bca333df27d44484bdd62eef53f
diff --git a/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -387,9 +387,24 @@ static int sh7722_frqcr_set_rate(struct clk *clk, unsigned long rate,
 	return err;
 }
 
+static long sh7722_frqcr_round_rate(struct clk *clk, unsigned long rate)
+{
+	unsigned long parent_rate = clk->parent->rate;
+	int div;
+
+	/* look for multiplier/divisor pair */
+	div = sh7722_find_divisors(parent_rate, rate);
+	if (div < 0)
+		return clk->rate;
+
+	/* calculate new value of clock rate */
+	return parent_rate * 2 / div;
+}
+
 static struct clk_ops sh7722_frqcr_clk_ops = {
 	.recalc = sh7722_frqcr_recalc,
 	.set_rate = sh7722_frqcr_set_rate,
+	.round_rate = sh7722_frqcr_round_rate,
 };
 
 /*