[PATCH 3.2 065/102] can: at91_can: add missing prepare and unprepare of the clock

2014-11-01 Thread Ben Hutchings
3.2.64-rc1 review patch.  If anyone has any objections, please let me know.

--

From: David Dueck 

commit e77980e50bc2850599d4d9c0192b67a9ffd6daac upstream.

In order to make the driver work with the common clock framework, this patch
converts the clk_enable()/clk_disable() to
clk_prepare_enable()/clk_disable_unprepare(). While there, add the missing
error handling.

Signed-off-by: David Dueck 
Signed-off-by: Anthony Harivel 
Acked-by: Boris Brezillon 
Signed-off-by: Marc Kleine-Budde 
Signed-off-by: Ben Hutchings 
---
 drivers/net/can/at91_can.c | 8 +---
 1 file changed, 5 insertions(+), 3 deletions(-)

--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -1115,7 +1115,9 @@ static int at91_open(struct net_device *
struct at91_priv *priv = netdev_priv(dev);
int err;
 
-   clk_enable(priv->clk);
+   err = clk_prepare_enable(priv->clk);
+   if (err)
+   return err;
 
/* check or determine and set bittime */
err = open_candev(dev);
@@ -1139,7 +1141,7 @@ static int at91_open(struct net_device *
  out_close:
close_candev(dev);
  out:
-   clk_disable(priv->clk);
+   clk_disable_unprepare(priv->clk);
 
return err;
 }
@@ -1156,7 +1158,7 @@ static int at91_close(struct net_device
at91_chip_stop(dev, CAN_STATE_STOPPED);
 
free_irq(dev->irq, dev);
-   clk_disable(priv->clk);
+   clk_disable_unprepare(priv->clk);
 
close_candev(dev);
 

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[PATCH 3.2 065/102] can: at91_can: add missing prepare and unprepare of the clock

2014-11-01 Thread Ben Hutchings
3.2.64-rc1 review patch.  If anyone has any objections, please let me know.

--

From: David Dueck davidcdu...@googlemail.com

commit e77980e50bc2850599d4d9c0192b67a9ffd6daac upstream.

In order to make the driver work with the common clock framework, this patch
converts the clk_enable()/clk_disable() to
clk_prepare_enable()/clk_disable_unprepare(). While there, add the missing
error handling.

Signed-off-by: David Dueck davidcdu...@googlemail.com
Signed-off-by: Anthony Harivel anthony.hari...@emtrion.de
Acked-by: Boris Brezillon boris.brezil...@free-electrons.com
Signed-off-by: Marc Kleine-Budde m...@pengutronix.de
Signed-off-by: Ben Hutchings b...@decadent.org.uk
---
 drivers/net/can/at91_can.c | 8 +---
 1 file changed, 5 insertions(+), 3 deletions(-)

--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -1115,7 +1115,9 @@ static int at91_open(struct net_device *
struct at91_priv *priv = netdev_priv(dev);
int err;
 
-   clk_enable(priv-clk);
+   err = clk_prepare_enable(priv-clk);
+   if (err)
+   return err;
 
/* check or determine and set bittime */
err = open_candev(dev);
@@ -1139,7 +1141,7 @@ static int at91_open(struct net_device *
  out_close:
close_candev(dev);
  out:
-   clk_disable(priv-clk);
+   clk_disable_unprepare(priv-clk);
 
return err;
 }
@@ -1156,7 +1158,7 @@ static int at91_close(struct net_device
at91_chip_stop(dev, CAN_STATE_STOPPED);
 
free_irq(dev-irq, dev);
-   clk_disable(priv-clk);
+   clk_disable_unprepare(priv-clk);
 
close_candev(dev);
 

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