Thread (3 messages) 3 messages, 2 authors, 2012-06-06

Re: [PATCH 05/15] keyboard: imx_keypad: Use clk_prepare_enable/clk_disable_unprepare

From: Sascha Hauer <s.hauer@pengutronix.de>
Date: 2012-05-29 09:18:30

On Fri, May 25, 2012 at 08:14:46PM -0300, Fabio Estevam wrote:
From: Fabio Estevam <redacted>

Prepare the clock before enabling it.

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: <redacted>
Signed-off-by: Fabio Estevam <redacted>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
quoted hunk ↗ jump to hunk
---
 drivers/input/keyboard/imx_keypad.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c
index 6ee7421..9d57945 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -378,7 +378,7 @@ static void imx_keypad_close(struct input_dev *dev)
 	imx_keypad_inhibit(keypad);
 
 	/* Disable clock unit */
-	clk_disable(keypad->clk);
+	clk_disable_unprepare(keypad->clk);
 }
 
 static int imx_keypad_open(struct input_dev *dev)
@@ -391,7 +391,7 @@ static int imx_keypad_open(struct input_dev *dev)
 	keypad->enabled = true;
 
 	/* Enable the kpp clock */
-	clk_enable(keypad->clk);
+	clk_prepare_enable(keypad->clk);
 	imx_keypad_config(keypad);
 
 	/* Sanity control, not all the rows must be actived now. */
@@ -581,7 +581,7 @@ static int imx_kbd_suspend(struct device *dev)
 	mutex_lock(&input_dev->mutex);
 
 	if (input_dev->users)
-		clk_disable(kbd->clk);
+		clk_disable_unprepare(kbd->clk);
 
 	mutex_unlock(&input_dev->mutex);
 
@@ -603,7 +603,7 @@ static int imx_kbd_resume(struct device *dev)
 	mutex_lock(&input_dev->mutex);
 
 	if (input_dev->users)
-		clk_enable(kbd->clk);
+		clk_prepare_enable(kbd->clk);
 
 	mutex_unlock(&input_dev->mutex);
 
-- 
1.7.1
-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help