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iio:trigger: Use dev_{set,get}_drvdata for private data management

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Use dev_{set,get}_drvdata for managing private data attached to a trigger
instead of using a custom field in the iio_trigger struct.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2013-03-25 08:58:00 +00:00 • committed by Jonathan Cameron
commit 5034bfc976
2 changed files with 2 additions and 7 deletions
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3
drivers/staging/iio/Documentation/trigger.txt
View file

@ -10,9 +10,6 @@ struct iio_trig *trig = iio_trigger_alloc("<trigger format string>", ...);
allocates a trigger structure. The key elements to then fill in within allocates a trigger structure. The key elements to then fill in within
a driver are: a driver are:
trig->private_data
Device specific private data.
trig->owner trig->owner
Typically set to THIS_MODULE. Used to ensure correct Typically set to THIS_MODULE. Used to ensure correct
ownership of core allocated resources. ownership of core allocated resources.

6
include/linux/iio/trigger.h
View file

@ -44,7 +44,6 @@ struct iio_trigger_ops {
* @id: [INTERN] unique id number * @id: [INTERN] unique id number
* @name: [DRIVER] unique name * @name: [DRIVER] unique name
* @dev: [DRIVER] associated device (if relevant) * @dev: [DRIVER] associated device (if relevant)
* @private_data: [DRIVER] device specific data
* @list: [INTERN] used in maintenance of global trigger list * @list: [INTERN] used in maintenance of global trigger list
* @alloc_list: [DRIVER] used for driver specific trigger list * @alloc_list: [DRIVER] used for driver specific trigger list
* @use_count: use count for the trigger * @use_count: use count for the trigger
@ -60,7 +59,6 @@ struct iio_trigger {
const char *name; const char *name;
struct device dev; struct device dev;
void *private_data;
struct list_head list; struct list_head list;
struct list_head alloc_list; struct list_head alloc_list;
int use_count; int use_count;
@ -101,7 +99,7 @@ static inline void iio_trigger_get(struct iio_trigger *trig)
*/ */
static inline void iio_trigger_set_drvdata(struct iio_trigger *trig, void *data) static inline void iio_trigger_set_drvdata(struct iio_trigger *trig, void *data)
{ {
trig->private_data = data; dev_set_drvdata(&trig->dev, data);
} }
/** /**
@ -112,7 +110,7 @@ static inline void iio_trigger_set_drvdata(struct iio_trigger *trig, void *data)
*/ */
static inline void *iio_trigger_get_drvdata(struct iio_trigger *trig) static inline void *iio_trigger_get_drvdata(struct iio_trigger *trig)
{ {
return trig->private_data; return dev_get_drvdata(&trig->dev);
} }
/** /**