---

yaml --- r: 137366 b: refs/heads/master c: 4da3782 h: refs/heads/master v: v3
git-mirror · Mar 3, 2009 · 06ee4d0 · 06ee4d0
1 parent 6c0dacc
commit 06ee4d0
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Showing 3 changed files with 11 additions and 14 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7aec53acc0504ab2abd73a6051e7b72f48545ceb
+refs/heads/master: 4da3782151300237db3abe070f716922889252e0
diff --git a/trunk/arch/arm/mach-omap2/clock.c b/trunk/arch/arm/mach-omap2/clock.c
@@ -807,9 +807,6 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
 	if (!parent_div)
 		return -EINVAL;
 
-	if (clk->usecount > 0)
-		_omap2_clk_disable(clk);
-
 	/* Set new source value (previous dividers if any in effect) */
 	v = __raw_readl(clk->clksel_reg);
 	v &= ~clk->clksel_mask;
@@ -819,9 +816,6 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
 
 	_omap2xxx_clk_commit(clk);
 
-	if (clk->usecount > 0)
-		_omap2_clk_enable(clk);
-
 	clk_reparent(clk, new_parent);
 
 	/* CLKSEL clocks follow their parents' rates, divided by a divisor */

diff --git a/trunk/arch/arm/plat-omap/clock.c b/trunk/arch/arm/plat-omap/clock.c
@@ -144,13 +144,16 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 		return ret;
 
 	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_set_parent)
-		ret = arch_clock->clk_set_parent(clk, parent);
-	if (ret == 0) {
-		if (clk->recalc)
-			clk->rate = clk->recalc(clk);
-		propagate_rate(clk);
-	}
+	if (clk->usecount == 0) {
+		if (arch_clock->clk_set_parent)
+			ret = arch_clock->clk_set_parent(clk, parent);
+		if (ret == 0) {
+			if (clk->recalc)
+				clk->rate = clk->recalc(clk);
+			propagate_rate(clk);
+		}
+	} else
+		ret = -EBUSY;
 	spin_unlock_irqrestore(&clockfw_lock, flags);
 
 	return ret;