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iio:trigger: Introduce iio_tigger_{set,get}_drvdata

Browse source 
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 <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
This commit is contained in:
Lars-Peter Clausen 2013-03-25 08:58:00 +00:00 • committed by Jonathan Cameron
commit 1e9663c62b
17 changed files with 61 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/iio/accel/st_accel_buffer.c
View file

@ -25,7 +25,7 @@
int st_accel_trig_set_state(struct iio_trigger *trig, bool state)
{
struct iio_dev *indio_dev = trig->private_data;
struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
return st_sensors_set_dataready_irq(indio_dev, state);
}

2
drivers/iio/adc/ad_sigma_delta.c
View file

@ -470,7 +470,7 @@ static int ad_sd_probe_trigger(struct iio_dev *indio_dev)
disable_irq_nosync(sigma_delta->spi->irq);
}
sigma_delta->trig->dev.parent = &sigma_delta->spi->dev;
sigma_delta->trig->private_data = sigma_delta;
iio_trigger_set_drvdata(sigma_delta->trig, sigma_delta);
ret = iio_trigger_register(sigma_delta->trig);
if (ret)

4
drivers/iio/adc/at91_adc.c
View file

@ -188,7 +188,7 @@ static u8 at91_adc_get_trigger_value_by_name(struct iio_dev *idev,
static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
{
struct iio_dev *idev = trig->private_data;
struct iio_dev *idev = iio_trigger_get_drvdata(trig);
struct at91_adc_state *st = iio_priv(idev);
struct iio_buffer *buffer = idev->buffer;
struct at91_adc_reg_desc *reg = st->registers;
@ -254,7 +254,7 @@ static struct iio_trigger *at91_adc_allocate_trigger(struct iio_dev *idev,
return NULL;
trig->dev.parent = idev->dev.parent;
trig->private_data = idev;
iio_trigger_set_drvdata(trig, idev);
trig->ops = &at91_adc_trigger_ops;
ret = iio_trigger_register(trig);

4
drivers/iio/common/hid-sensors/hid-sensor-trigger.c
View file

@ -31,7 +31,7 @@
static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig,
bool state)
{
struct hid_sensor_common *st = trig->private_data;
struct hid_sensor_common *st = iio_trigger_get_drvdata(trig);
int state_val;
state_val = state ? 1 : 0;
@ -76,7 +76,7 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name,
}
trig->dev.parent = indio_dev->dev.parent;
trig->private_data = attrb;
iio_trigger_set_drvdata(trig, attrb);
trig->ops = &hid_sensor_trigger_ops;
ret = iio_trigger_register(trig);

2
drivers/iio/common/st_sensors/st_sensors_trigger.c
View file

@ -40,7 +40,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
if (err)
goto request_irq_error;
sdata->trig->private_data = indio_dev;
iio_trigger_set_drvdata(sdata->trig, indio_dev);
sdata->trig->ops = trigger_ops;
sdata->trig->dev.parent = sdata->dev;

4
drivers/iio/gyro/itg3200_buffer.c
View file

@ -81,7 +81,7 @@ void itg3200_buffer_unconfigure(struct iio_dev *indio_dev)
static int itg3200_data_rdy_trigger_set_state(struct iio_trigger *trig,
bool state)
{
struct iio_dev *indio_dev = trig->private_data;
struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
int ret;
u8 msc;
@ -129,7 +129,7 @@ int itg3200_probe_trigger(struct iio_dev *indio_dev)
st->trig->dev.parent = &st->i2c->dev;
st->trig->ops = &itg3200_trigger_ops;
st->trig->private_data = indio_dev;
iio_trigger_set_drvdata(st->trig, indio_dev);
ret = iio_trigger_register(st->trig);
if (ret)
goto error_free_irq;

2
drivers/iio/gyro/st_gyro_buffer.c
View file

@ -25,7 +25,7 @@
int st_gyro_trig_set_state(struct iio_trigger *trig, bool state)
{
struct iio_dev *indio_dev = trig->private_data;
struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
return st_sensors_set_dataready_irq(indio_dev, state);
}

4
drivers/iio/imu/adis_trigger.c
View file

@ -19,7 +19,7 @@
static int adis_data_rdy_trigger_set_state(struct iio_trigger *trig,
bool state)
{
struct adis *adis = trig->private_data;
struct adis *adis = iio_trigger_get_drvdata(trig);
return adis_enable_irq(adis, state);
}
@ -57,7 +57,7 @@ int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev)
adis->trig->dev.parent = &adis->spi->dev;
adis->trig->ops = &adis_trigger_ops;
adis->trig->private_data = adis;
iio_trigger_set_drvdata(adis->trig, adis);
ret = iio_trigger_register(adis->trig);
indio_dev->trig = adis->trig;

4
drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c
View file

@ -103,7 +103,7 @@ static int inv_mpu6050_set_enable(struct iio_dev *indio_dev, bool enable)
static int inv_mpu_data_rdy_trigger_set_state(struct iio_trigger *trig,
bool state)
{
return inv_mpu6050_set_enable(trig->private_data, state);
return inv_mpu6050_set_enable(iio_trigger_get_drvdata(trig), state);
}
static const struct iio_trigger_ops inv_mpu_trigger_ops = {
@ -130,8 +130,8 @@ int inv_mpu6050_probe_trigger(struct iio_dev *indio_dev)
if (ret)
goto error_free_trig;
st->trig->dev.parent = &st->client->dev;
st->trig->private_data = indio_dev;
st->trig->ops = &inv_mpu_trigger_ops;
iio_trigger_set_drvdata(st->trig, indio_dev);
ret = iio_trigger_register(st->trig);
if (ret)
goto error_free_irq;