---

yaml --- r: 313387 b: refs/heads/master c: 55ffe16 h: refs/heads/master i: 313385: 8211783 313383: 5f4683c v: v3
git-mirror · Jul 4, 2012 · 9b72479 · 9b72479
1 parent 27df658
commit 9b72479
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f0d3d821db4ffa63de344347587429b940086e25
+refs/heads/master: 55ffe163c8b4e2aa0a083000e02ec26efd71ea63
diff --git a/trunk/arch/arm/mach-omap2/dpll3xxx.c b/trunk/arch/arm/mach-omap2/dpll3xxx.c
@@ -135,11 +135,20 @@ static u16 _omap3_dpll_compute_freqsel(struct clk *clk, u8 n)
  */
 static int _omap3_noncore_dpll_lock(struct clk *clk)
 {
+	const struct dpll_data *dd;
 	u8 ai;
-	int r;
+	u8 state = 1;
+	int r = 0;
 
 	pr_debug("clock: locking DPLL %s\n", clk->name);
 
+	dd = clk->dpll_data;
+	state <<= __ffs(dd->idlest_mask);
+
+	/* Check if already locked */
+	if ((__raw_readl(dd->idlest_reg) & dd->idlest_mask) == state)
+		goto done;
+
 	ai = omap3_dpll_autoidle_read(clk);
 
 	if (ai)
@@ -152,6 +161,7 @@ static int _omap3_noncore_dpll_lock(struct clk *clk)
 	if (ai)
 		omap3_dpll_allow_idle(clk);
 
+done:
 	return r;
 }