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staging:iio:trigger: Use to_iio_trigger() instead of dev_get_drvdata()

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Use to_iio_trigger(dev) instead of dev_get_drvdata(dev). Both will return the
trigger which belongs to the device, but the the first on is a bit more
lightweight. Also this will eventually free up the drvdata pointer of the device
for driver specific data.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lars-Peter Clausen 2012-06-21 19:10:59 +02:00 committed by Greg Kroah-Hartman
parent 70b3fd34a9
commit 4bf8172772
3 changed files with 5 additions and 5 deletions
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4
drivers/staging/iio/trigger/iio-trig-bfin-timer.c
View File

@ -60,7 +60,7 @@ struct bfin_tmr_state {
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 = dev_get_drvdata(dev);
struct iio_trigger *trig = to_iio_trigger(dev);
struct bfin_tmr_state *st = trig->private_data;
long val;
int ret;
@ -97,7 +97,7 @@ static ssize_t iio_bfin_tmr_frequency_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_trigger *trig = dev_get_drvdata(dev);
struct iio_trigger *trig = to_iio_trigger(dev);
struct bfin_tmr_state *st = trig->private_data;
return sprintf(buf, "%lu\n",

4
drivers/staging/iio/trigger/iio-trig-periodic-rtc.c
View File

@ -41,7 +41,7 @@ static ssize_t iio_trig_periodic_read_freq(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_trigger *trig = dev_get_drvdata(dev);
struct iio_trigger *trig = to_iio_trigger(dev);
struct iio_prtc_trigger_info *trig_info = trig->private_data;
return sprintf(buf, "%u\n", trig_info->frequency);
}
@ -51,7 +51,7 @@ static ssize_t iio_trig_periodic_write_freq(struct device *dev,
const char *buf,
size_t len)
{
struct iio_trigger *trig = dev_get_drvdata(dev);
struct iio_trigger *trig = to_iio_trigger(dev);
struct iio_prtc_trigger_info *trig_info = trig->private_data;
unsigned long val;
int ret;

2
drivers/staging/iio/trigger/iio-trig-sysfs.c
View File

@ -92,7 +92,7 @@ static struct device iio_sysfs_trig_dev = {
static ssize_t iio_sysfs_trigger_poll(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct iio_trigger *trig = dev_get_drvdata(dev);
struct iio_trigger *trig = to_iio_trigger(dev);
iio_trigger_poll_chained(trig, 0);
return count;