diff options
author | Lars-Peter Clausen <lars@metafoo.de> | 2013-03-25 08:58:00 +0000 |
---|---|---|
committer | Jonathan Cameron <jic23@kernel.org> | 2013-03-25 21:06:09 +0000 |
commit | 1e9663c62b32f695af37fec4afc473b59f5ca9b4 (patch) | |
tree | 8f1c1c9fbaa89c3f75ad14a04dd8ee20ecb6dba0 /drivers/staging/iio/trigger/iio-trig-bfin-timer.c | |
parent | c5cf4606b6659e711258b6e567415ab83a3b646c (diff) |
iio:trigger: Introduce iio_tigger_{set,get}_drvdata
Introduce iio_tigger_{set,get}_drvdata which allows to attach driver specific
data to a trigger. The functions wrap access to the triggers private_data field
and all current users are updated to use iio_tigger_{set,get}_drvdata instead of
directly accessing the private_data field. This is the first step towards
removing the private_data field from the iio_trigger struct.
The following coccinelle script has been used to update the drivers:
<smpl>
@@
struct iio_trigger *trigger;
expression priv;
@@
-trigger->private_data = priv
+iio_trigger_set_drv_data(trigger, priv)
@@
struct iio_trigger *trigger;
@@
-trigger->private_data
+iio_trigger_get_drv_data(trigger)
</smpl>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/staging/iio/trigger/iio-trig-bfin-timer.c')
-rw-r--r-- | drivers/staging/iio/trigger/iio-trig-bfin-timer.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c index 42798da575c0..38a158b77b1d 100644 --- a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c +++ b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c @@ -65,7 +65,7 @@ struct bfin_tmr_state { static int iio_bfin_tmr_set_state(struct iio_trigger *trig, bool state) { - struct bfin_tmr_state *st = trig->private_data; + struct bfin_tmr_state *st = iio_trigger_get_drvdata(trig); if (get_gptimer_period(st->t->id) == 0) return -EINVAL; @@ -82,7 +82,7 @@ static ssize_t iio_bfin_tmr_frequency_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct iio_trigger *trig = to_iio_trigger(dev); - struct bfin_tmr_state *st = trig->private_data; + struct bfin_tmr_state *st = iio_trigger_get_drvdata(trig); unsigned long val; bool enabled; int ret; @@ -125,7 +125,7 @@ static ssize_t iio_bfin_tmr_frequency_show(struct device *dev, char *buf) { struct iio_trigger *trig = to_iio_trigger(dev); - struct bfin_tmr_state *st = trig->private_data; + struct bfin_tmr_state *st = iio_trigger_get_drvdata(trig); unsigned int period = get_gptimer_period(st->t->id); unsigned long val; @@ -213,9 +213,9 @@ static int iio_bfin_tmr_trigger_probe(struct platform_device *pdev) goto out1; } - st->trig->private_data = st; st->trig->ops = &iio_bfin_tmr_trigger_ops; st->trig->dev.groups = iio_bfin_tmr_trigger_attr_groups; + iio_trigger_set_drvdata(st->trig, st); ret = iio_trigger_register(st->trig); if (ret) goto out2; |