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-periodic-rtc.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-periodic-rtc.c')
-rw-r--r-- | drivers/staging/iio/trigger/iio-trig-periodic-rtc.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c index 9102b1ba2530..79695974b1d4 100644 --- a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c +++ b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c @@ -30,7 +30,7 @@ struct iio_prtc_trigger_info { static int iio_trig_periodic_rtc_set_state(struct iio_trigger *trig, bool state) { - struct iio_prtc_trigger_info *trig_info = trig->private_data; + struct iio_prtc_trigger_info *trig_info = iio_trigger_get_drvdata(trig); if (trig_info->frequency == 0) return -EINVAL; printk(KERN_INFO "trigger frequency is %d\n", trig_info->frequency); @@ -42,7 +42,7 @@ static ssize_t iio_trig_periodic_read_freq(struct device *dev, char *buf) { struct iio_trigger *trig = to_iio_trigger(dev); - struct iio_prtc_trigger_info *trig_info = trig->private_data; + struct iio_prtc_trigger_info *trig_info = iio_trigger_get_drvdata(trig); return sprintf(buf, "%u\n", trig_info->frequency); } @@ -52,7 +52,7 @@ static ssize_t iio_trig_periodic_write_freq(struct device *dev, size_t len) { struct iio_trigger *trig = to_iio_trigger(dev); - struct iio_prtc_trigger_info *trig_info = trig->private_data; + struct iio_prtc_trigger_info *trig_info = iio_trigger_get_drvdata(trig); unsigned long val; int ret; @@ -124,7 +124,7 @@ static int iio_trig_periodic_rtc_probe(struct platform_device *dev) ret = -ENOMEM; goto error_put_trigger_and_remove_from_list; } - trig->private_data = trig_info; + iio_trigger_set_drvdata(trig, trig_info); trig->ops = &iio_prtc_trigger_ops; /* RTC access */ trig_info->rtc @@ -158,7 +158,7 @@ error_free_completed_registrations: trig2, &iio_prtc_trigger_list, alloc_list) { - trig_info = trig->private_data; + trig_info = iio_trigger_get_drvdata(trig); rtc_irq_unregister(trig_info->rtc, &trig_info->task); rtc_class_close(trig_info->rtc); kfree(trig_info); @@ -176,7 +176,7 @@ static int iio_trig_periodic_rtc_remove(struct platform_device *dev) trig2, &iio_prtc_trigger_list, alloc_list) { - trig_info = trig->private_data; + trig_info = iio_trigger_get_drvdata(trig); rtc_irq_unregister(trig_info->rtc, &trig_info->task); rtc_class_close(trig_info->rtc); kfree(trig_info); |