3.2.64-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: David Dueck <[email protected]>

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 <[email protected]>
Signed-off-by: Anthony Harivel <[email protected]>
Acked-by: Boris Brezillon <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
Signed-off-by: Ben Hutchings <[email protected]>
---
 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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