[PATCH v2 21/23] OMAP2/3 clock: omap2_clk_enable(): fix logic

[Paul Walmsley <paul@pwsan.com>]

Rearrange the parent clock enable status check code so it actually makes
sense.  No functional change.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/clock.c |   17 ++++++++++-------
 1 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index a9a2bbf..413fb68 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -483,20 +483,23 @@ void omap2_clk_disable(struct clk *clk)
 
 int omap2_clk_enable(struct clk *clk)
 {
-	int ret = 0;
+	int ret;
 
 	if (++clk->usecount > 1)
 		return 0;
 
 	omap2_clkdm_clk_enable(clk->clkdm.ptr, clk);
 
-	if (clk->parent)
-		ret = omap2_clk_enable(clk->parent);
+	if (clk->parent) {
+		int parent_ret;
 
-	if (ret != 0) {
-		clk->usecount--;
-		omap2_clkdm_clk_disable(clk->clkdm.ptr, clk);
-		return ret;
+		parent_ret = omap2_clk_enable(clk->parent);
+
+		if (parent_ret != 0) {
+			clk->usecount--;
+			omap2_clkdm_clk_disable(clk->clkdm.ptr, clk);
+			return parent_ret;
+		}
 	}
 
 	ret = _omap2_clk_enable(clk);