---

yaml
---
r: 295651
b: refs/heads/master
c: 6fd9c42
h: refs/heads/master
i:
  295649: d32c40a
  295647: 5f1c534
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 72f83af99838bb663f85b65386db5b875748f379
+refs/heads/master: 6fd9c421649961a9d6d30b149e0128dde1b806b4

trunk/drivers/gpio/gpio-omap.c

@@ -203,22 +203,30 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
 
 	l = GPIO_BIT(bank, gpio);
 
+	clk_enable(bank->dbck);
 	reg = bank->base + bank->regs->debounce;
 	__raw_writel(debounce, reg);
 
 	reg = bank->base + bank->regs->debounce_en;
 	val = __raw_readl(reg);
 
-	if (debounce) {
+	if (debounce)
 		val |= l;
-		clk_enable(bank->dbck);
-	} else {
+	else
 		val &= ~l;
-		clk_disable(bank->dbck);
-	}
 	bank->dbck_enable_mask = val;
 
 	__raw_writel(val, reg);
+	clk_disable(bank->dbck);
+	/*
+	 * Enable debounce clock per module.
+	 * This call is mandatory because in omap_gpio_request() when
+	 * *_runtime_get_sync() is called,  _gpio_dbck_enable() within
+	 * runtime callbck fails to turn on dbck because dbck_enable_mask
+	 * used within _gpio_dbck_enable() is still not initialized at
+	 * that point. Therefore we have to enable dbck here.
+	 */
+	_gpio_dbck_enable(bank);
 }
 
 static inline void set_gpio_trigger(struct gpio_bank *bank, int gpio,