[alsa-devel] [PATCH 3/3] sound: use dev_set_drvdata

Julia Lawall julia at diku.dk
Sun May 17 11:29:21 CEST 2009


From: Julia Lawall <julia at diku.dk>

Eliminate direct accesses to the driver_data field.
cf 82ab13b26f15f49be45f15ccc96bfa0b81dfd015

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
struct device *dev;
expression E;
type T;
@@

- dev->driver_data = (T)E
+ dev_set_drvdata(dev, E)

@@
struct device *dev;
type T;
@@

- (T)dev->driver_data
+ dev_get_drvdata(dev)
// </smpl>

Signed-off-by: Julia Lawall <julia at diku.dk>

---
 sound/soc/fsl/fsl_ssi.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -u -p a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -674,7 +674,7 @@ struct snd_soc_dai *fsl_ssi_create_dai(s
 	ssi_private->dev = ssi_info->dev;
 	ssi_private->asynchronous = ssi_info->asynchronous;
 
-	ssi_private->dev->driver_data = fsl_ssi_dai;
+	dev_set_drvdata(ssi_private->dev, fsl_ssi_dai);
 
 	/* Initialize the the device_attribute structure */
 	dev_attr->attr.name = "ssi-stats";


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