diff --git a/[refs] b/[refs]
index d1b86f344ff4..8d01b61c2289 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 49c58e82023649924b1b0f38d715d94093f4044b
+refs/heads/master: 64e29fd5ed42f5d0ff5b0ea9395b3abd5d43f89b
diff --git a/trunk/arch/arm/mach-omap2/clockdomain.c b/trunk/arch/arm/mach-omap2/clockdomain.c
index cbb879139c51..512e79a842cb 100644
--- a/trunk/arch/arm/mach-omap2/clockdomain.c
+++ b/trunk/arch/arm/mach-omap2/clockdomain.c
@@ -925,15 +925,18 @@ static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm)
 	if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_enable)
 		return -EINVAL;
 
+	spin_lock_irqsave(&clkdm->lock, flags);
+
 	/*
 	 * For arch's with no autodeps, clkcm_clk_enable
 	 * should be called for every clock instance or hwmod that is
 	 * enabled, so the clkdm can be force woken up.
 	 */
-	if ((atomic_inc_return(&clkdm->usecount) > 1) && autodeps)
+	if ((atomic_inc_return(&clkdm->usecount) > 1) && autodeps) {
+		spin_unlock_irqrestore(&clkdm->lock, flags);
 		return 0;
+	}
 
-	spin_lock_irqsave(&clkdm->lock, flags);
 	arch_clkdm->clkdm_clk_enable(clkdm);
 	pwrdm_state_switch(clkdm->pwrdm.ptr);
 	spin_unlock_irqrestore(&clkdm->lock, flags);
@@ -950,15 +953,19 @@ static int _clkdm_clk_hwmod_disable(struct clockdomain *clkdm)
 	if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_disable)
 		return -EINVAL;
 
+	spin_lock_irqsave(&clkdm->lock, flags);
+
 	if (atomic_read(&clkdm->usecount) == 0) {
+		spin_unlock_irqrestore(&clkdm->lock, flags);
 		WARN_ON(1); /* underflow */
 		return -ERANGE;
 	}
 
-	if (atomic_dec_return(&clkdm->usecount) > 0)
+	if (atomic_dec_return(&clkdm->usecount) > 0) {
+		spin_unlock_irqrestore(&clkdm->lock, flags);
 		return 0;
+	}
 
-	spin_lock_irqsave(&clkdm->lock, flags);
 	arch_clkdm->clkdm_clk_disable(clkdm);
 	pwrdm_state_switch(clkdm->pwrdm.ptr);
 	spin_unlock_irqrestore(&clkdm->lock, flags);