staging:iio:accel:sca3000: allocate state in iio_dev and use iio_priv to access.
Mechanical change. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jonathan Cameron
Greg Kroah-Hartman
Родитель
01a6721600
Коммит
83f0422dc6
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@ -173,7 +173,6 @@
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struct sca3000_state {
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struct spi_device *us;
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const struct sca3000_chip_info *info;
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struct iio_dev *indio_dev;
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struct work_struct interrupt_handler_ws;
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s64 last_timestamp;
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int mo_det_use_count;
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@ -242,7 +242,7 @@ static int sca3000_check_status(struct device *dev)
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{
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int ret;
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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mutex_lock(&st->lock);
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ret = sca3000_read_data_short(st, SCA3000_REG_ADDR_STATUS, 1);
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@ -269,7 +269,7 @@ static ssize_t sca3000_show_rev(struct device *dev,
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{
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int len = 0, ret;
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struct iio_dev *dev_info = dev_get_drvdata(dev);
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struct sca3000_state *st = dev_info->dev_data;
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struct sca3000_state *st = iio_priv(dev_info);
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mutex_lock(&st->lock);
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ret = sca3000_read_data_short(st, SCA3000_REG_ADDR_REVID, 1);
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@ -297,7 +297,7 @@ sca3000_show_available_measurement_modes(struct device *dev,
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char *buf)
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{
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struct iio_dev *dev_info = dev_get_drvdata(dev);
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struct sca3000_state *st = dev_info->dev_data;
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struct sca3000_state *st = iio_priv(dev_info);
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int len = 0;
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len += sprintf(buf + len, "0 - normal mode");
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@ -329,7 +329,7 @@ sca3000_show_measurement_mode(struct device *dev,
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char *buf)
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{
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struct iio_dev *dev_info = dev_get_drvdata(dev);
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struct sca3000_state *st = dev_info->dev_data;
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struct sca3000_state *st = iio_priv(dev_info);
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int len = 0, ret;
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mutex_lock(&st->lock);
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@ -380,7 +380,7 @@ sca3000_store_measurement_mode(struct device *dev,
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size_t len)
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{
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struct iio_dev *dev_info = dev_get_drvdata(dev);
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struct sca3000_state *st = dev_info->dev_data;
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struct sca3000_state *st = iio_priv(dev_info);
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int ret;
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int mask = 0x03;
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long val;
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@ -453,7 +453,7 @@ static int sca3000_read_raw(struct iio_dev *indio_dev,
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int *val2,
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long mask)
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{
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int ret;
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u8 address;
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@ -500,7 +500,7 @@ static ssize_t sca3000_read_av_freq(struct device *dev,
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char *buf)
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{
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int len = 0, ret, val;
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mutex_lock(&st->lock);
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@ -571,7 +571,7 @@ static ssize_t sca3000_read_frequency(struct device *dev,
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char *buf)
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{
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int ret, len = 0, base_freq = 0, val;
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mutex_lock(&st->lock);
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@ -613,7 +613,7 @@ static ssize_t sca3000_set_frequency(struct device *dev,
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size_t len)
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{
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int ret, base_freq = 0;
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int ctrlval;
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long val;
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@ -673,7 +673,7 @@ static ssize_t sca3000_read_temp(struct device *dev,
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char *buf)
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{
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int ret;
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int val;
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ret = sca3000_read_data_short(st, SCA3000_REG_ADDR_TEMP_MSB, 2);
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@ -699,7 +699,7 @@ static int sca3000_read_thresh(struct iio_dev *indio_dev,
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int *val)
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{
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int ret, i;
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int num = IIO_EVENT_CODE_EXTRACT_MODIFIER(e);
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mutex_lock(&st->lock);
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ret = sca3000_read_ctrl_reg(st, sca3000_addresses[num][1]);
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@ -726,7 +726,7 @@ static int sca3000_write_thresh(struct iio_dev *indio_dev,
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int e,
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int val)
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{
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int num = IIO_EVENT_CODE_EXTRACT_MODIFIER(e);
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int ret;
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int i;
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@ -798,11 +798,10 @@ static const struct attribute_group sca3000_attribute_group_with_temp = {
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static irqreturn_t sca3000_event_handler(int irq, void *private)
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{
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struct iio_dev *indio_dev = private;
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struct sca3000_state *st;
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struct sca3000_state *st = iio_priv(indio_dev);
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int ret, val;
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s64 last_timestamp = iio_get_time_ns();
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st = indio_dev->dev_data;
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/* Could lead if badly timed to an extra read of status reg,
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* but ensures no interrupt is missed.
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*/
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@ -813,10 +812,10 @@ static irqreturn_t sca3000_event_handler(int irq, void *private)
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if (ret)
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goto done;
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sca3000_ring_int_process(val, st->indio_dev->ring);
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sca3000_ring_int_process(val, indio_dev->ring);
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if (val & SCA3000_INT_STATUS_FREE_FALL)
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iio_push_event(st->indio_dev, 0,
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iio_push_event(indio_dev, 0,
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IIO_MOD_EVENT_CODE(IIO_EV_CLASS_ACCEL,
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0,
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IIO_EV_MOD_X_AND_Y_AND_Z,
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@ -825,7 +824,7 @@ static irqreturn_t sca3000_event_handler(int irq, void *private)
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last_timestamp);
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if (val & SCA3000_INT_STATUS_Y_TRIGGER)
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iio_push_event(st->indio_dev, 0,
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iio_push_event(indio_dev, 0,
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IIO_MOD_EVENT_CODE(IIO_EV_CLASS_ACCEL,
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0,
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IIO_EV_MOD_Y,
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@ -834,7 +833,7 @@ static irqreturn_t sca3000_event_handler(int irq, void *private)
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last_timestamp);
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if (val & SCA3000_INT_STATUS_X_TRIGGER)
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iio_push_event(st->indio_dev, 0,
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iio_push_event(indio_dev, 0,
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IIO_MOD_EVENT_CODE(IIO_EV_CLASS_ACCEL,
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0,
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IIO_EV_MOD_X,
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@ -843,7 +842,7 @@ static irqreturn_t sca3000_event_handler(int irq, void *private)
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last_timestamp);
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if (val & SCA3000_INT_STATUS_Z_TRIGGER)
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iio_push_event(st->indio_dev, 0,
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iio_push_event(indio_dev, 0,
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IIO_MOD_EVENT_CODE(IIO_EV_CLASS_ACCEL,
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0,
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IIO_EV_MOD_Z,
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@ -861,7 +860,7 @@ done:
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static int sca3000_read_event_config(struct iio_dev *indio_dev,
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int e)
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{
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int ret;
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u8 protect_mask = 0x03;
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int num = IIO_EVENT_CODE_EXTRACT_MODIFIER(e);
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@ -895,7 +894,7 @@ static ssize_t sca3000_query_free_fall_mode(struct device *dev,
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{
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int ret, len;
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int val;
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mutex_lock(&st->lock);
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@ -923,7 +922,7 @@ static ssize_t sca3000_set_free_fall_mode(struct device *dev,
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size_t len)
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{
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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long val;
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int ret;
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u8 protect_mask = SCA3000_FREE_FALL_DETECT;
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@ -965,7 +964,7 @@ static int sca3000_write_event_config(struct iio_dev *indio_dev,
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int e,
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int state)
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{
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int ret, ctrlval;
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u8 protect_mask = 0x03;
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int num = IIO_EVENT_CODE_EXTRACT_MODIFIER(e);
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@ -1126,42 +1125,37 @@ static int __devinit sca3000_probe(struct spi_device *spi)
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{
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int ret, regdone = 0;
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struct sca3000_state *st;
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struct iio_dev *indio_dev;
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st = kzalloc(sizeof(struct sca3000_state), GFP_KERNEL);
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if (st == NULL) {
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indio_dev = iio_allocate_device(sizeof(*st));
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if (indio_dev == NULL) {
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ret = -ENOMEM;
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goto error_ret;
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}
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spi_set_drvdata(spi, st);
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spi_set_drvdata(spi, indio_dev);
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st->us = spi;
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mutex_init(&st->lock);
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st->info = &sca3000_spi_chip_info_tbl[spi_get_device_id(spi)
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->driver_data];
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st->indio_dev = iio_allocate_device(0);
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if (st->indio_dev == NULL) {
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ret = -ENOMEM;
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goto error_clear_st;
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}
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st->indio_dev->dev.parent = &spi->dev;
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st->indio_dev->name = spi_get_device_id(spi)->name;
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indio_dev->dev.parent = &spi->dev;
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indio_dev->name = spi_get_device_id(spi)->name;
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if (st->info->temp_output)
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st->indio_dev->info = &sca3000_info_with_temp;
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indio_dev->info = &sca3000_info_with_temp;
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else {
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st->indio_dev->info = &sca3000_info;
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st->indio_dev->channels = sca3000_channels;
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st->indio_dev->num_channels = ARRAY_SIZE(sca3000_channels);
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indio_dev->info = &sca3000_info;
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indio_dev->channels = sca3000_channels;
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indio_dev->num_channels = ARRAY_SIZE(sca3000_channels);
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}
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st->indio_dev->dev_data = (void *)(st);
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st->indio_dev->modes = INDIO_DIRECT_MODE;
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indio_dev->modes = INDIO_DIRECT_MODE;
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sca3000_configure_ring(st->indio_dev);
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ret = iio_device_register(st->indio_dev);
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sca3000_configure_ring(indio_dev);
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ret = iio_device_register(indio_dev);
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if (ret < 0)
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goto error_free_dev;
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regdone = 1;
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ret = iio_ring_buffer_register_ex(st->indio_dev->ring, 0,
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ret = iio_ring_buffer_register_ex(indio_dev->ring, 0,
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sca3000_channels,
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ARRAY_SIZE(sca3000_channels));
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if (ret < 0)
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@ -1172,11 +1166,11 @@ static int __devinit sca3000_probe(struct spi_device *spi)
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&sca3000_event_handler,
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IRQF_TRIGGER_FALLING,
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"sca3000",
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st->indio_dev);
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indio_dev);
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if (ret)
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goto error_unregister_ring;
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}
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sca3000_register_ring_funcs(st->indio_dev);
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sca3000_register_ring_funcs(indio_dev);
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ret = sca3000_clean_setup(st);
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if (ret)
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goto error_free_irq;
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@ -1184,17 +1178,16 @@ static int __devinit sca3000_probe(struct spi_device *spi)
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error_free_irq:
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if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0)
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free_irq(spi->irq, st->indio_dev);
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free_irq(spi->irq, indio_dev);
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error_unregister_ring:
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iio_ring_buffer_unregister(st->indio_dev->ring);
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iio_ring_buffer_unregister(indio_dev->ring);
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error_unregister_dev:
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error_free_dev:
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if (regdone)
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iio_device_unregister(st->indio_dev);
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iio_device_unregister(indio_dev);
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else
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iio_free_device(st->indio_dev);
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error_clear_st:
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kfree(st);
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iio_free_device(indio_dev);
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error_ret:
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return ret;
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}
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@ -1219,8 +1212,8 @@ error_ret:
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static int sca3000_remove(struct spi_device *spi)
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{
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struct sca3000_state *st = spi_get_drvdata(spi);
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struct iio_dev *indio_dev = st->indio_dev;
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struct iio_dev *indio_dev = spi_get_drvdata(spi);
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struct sca3000_state *st = iio_priv(indio_dev);
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int ret;
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/* Must ensure no interrupts can be generated after this!*/
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ret = sca3000_stop_all_interrupts(st);
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@ -1232,8 +1225,6 @@ static int sca3000_remove(struct spi_device *spi)
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sca3000_unconfigure_ring(indio_dev);
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iio_device_unregister(indio_dev);
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kfree(st);
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return 0;
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}
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@ -89,7 +89,7 @@ static int sca3000_read_first_n_hw_rb(struct iio_ring_buffer *r,
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{
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struct iio_hw_ring_buffer *hw_ring = iio_to_hw_ring_buf(r);
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struct iio_dev *indio_dev = hw_ring->private;
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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u8 *rx;
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int ret, i, num_available, num_read = 0;
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int bytes_per_sample = 1;
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@ -168,7 +168,7 @@ static ssize_t sca3000_query_ring_int(struct device *dev,
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int ret, val;
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struct iio_ring_buffer *ring = dev_get_drvdata(dev);
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struct iio_dev *indio_dev = ring->indio_dev;
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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mutex_lock(&st->lock);
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ret = sca3000_read_data_short(st, SCA3000_REG_ADDR_INT_MASK, 1);
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@ -190,7 +190,7 @@ static ssize_t sca3000_set_ring_int(struct device *dev,
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{
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struct iio_ring_buffer *ring = dev_get_drvdata(dev);
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struct iio_dev *indio_dev = ring->indio_dev;
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
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long val;
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int ret;
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@ -240,7 +240,7 @@ static ssize_t sca3000_show_ring_bpse(struct device *dev,
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int len = 0, ret;
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struct iio_ring_buffer *ring = dev_get_drvdata(dev);
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struct iio_dev *indio_dev = ring->indio_dev;
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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mutex_lock(&st->lock);
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ret = sca3000_read_data_short(st, SCA3000_REG_ADDR_MODE, 1);
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@ -270,7 +270,7 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev,
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{
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struct iio_ring_buffer *ring = dev_get_drvdata(dev);
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struct iio_dev *indio_dev = ring->indio_dev;
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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int ret;
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mutex_lock(&st->lock);
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@ -300,7 +300,7 @@ static ssize_t sca3000_show_buffer_scale(struct device *dev,
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{
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struct iio_ring_buffer *ring = dev_get_drvdata(dev);
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struct iio_dev *indio_dev = ring->indio_dev;
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struct sca3000_state *st = indio_dev->dev_data;
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struct sca3000_state *st = iio_priv(indio_dev);
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return sprintf(buf, "0.%06d\n", 4*st->info->scale);
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}
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||||
|
|
@ -397,7 +397,7 @@ void sca3000_unconfigure_ring(struct iio_dev *indio_dev)
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static inline
|
||||
int __sca3000_hw_ring_state_set(struct iio_dev *indio_dev, bool state)
|
||||
{
|
||||
struct sca3000_state *st = indio_dev->dev_data;
|
||||
struct sca3000_state *st = iio_priv(indio_dev);
|
||||
int ret;
|
||||
|
||||
mutex_lock(&st->lock);
|
||||
|
|
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