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Diffstat (limited to 'drivers/staging/iio/dds')
-rw-r--r--drivers/staging/iio/dds/ad5930.c37
-rw-r--r--drivers/staging/iio/dds/ad9832.c69
-rw-r--r--drivers/staging/iio/dds/ad9832.h2
-rw-r--r--drivers/staging/iio/dds/ad9834.c81
-rw-r--r--drivers/staging/iio/dds/ad9834.h2
-rw-r--r--drivers/staging/iio/dds/ad9850.c37
-rw-r--r--drivers/staging/iio/dds/ad9852.c38
-rw-r--r--drivers/staging/iio/dds/ad9910.c36
-rw-r--r--drivers/staging/iio/dds/ad9951.c36
9 files changed, 132 insertions, 206 deletions
diff --git a/drivers/staging/iio/dds/ad5930.c b/drivers/staging/iio/dds/ad5930.c
index 490c3637bc8e..0b2aa4cafdd8 100644
--- a/drivers/staging/iio/dds/ad5930.c
+++ b/drivers/staging/iio/dds/ad5930.c
@@ -35,7 +35,6 @@ struct ad5903_config {
struct ad5930_state {
struct mutex lock;
- struct iio_dev *idev;
struct spi_device *sdev;
};
@@ -49,7 +48,7 @@ static ssize_t ad5930_set_parameter(struct device *dev,
int ret;
struct ad5903_config *config = (struct ad5903_config *)buf;
struct iio_dev *idev = dev_get_drvdata(dev);
- struct ad5930_state *st = idev->dev_data;
+ struct ad5930_state *st = iio_priv(idev);
config->control = (config->control & ~value_mask);
config->incnum = (config->control & ~value_mask) | (1 << addr_shift);
@@ -83,42 +82,35 @@ static struct attribute *ad5930_attributes[] = {
};
static const struct attribute_group ad5930_attribute_group = {
- .name = DRV_NAME,
.attrs = ad5930_attributes,
};
static const struct iio_info ad5930_info = {
.attrs = &ad5930_attribute_group,
-
.driver_module = THIS_MODULE,
};
static int __devinit ad5930_probe(struct spi_device *spi)
{
struct ad5930_state *st;
+ struct iio_dev *idev;
int ret = 0;
- st = kzalloc(sizeof(*st), GFP_KERNEL);
- if (st == NULL) {
+ idev = iio_allocate_device(sizeof(*st));
+ if (idev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
- spi_set_drvdata(spi, st);
+ spi_set_drvdata(spi, idev);
+ st = iio_priv(idev);
mutex_init(&st->lock);
st->sdev = spi;
+ idev->dev.parent = &spi->dev;
+ idev->info = &ad5930_info;
+ idev->modes = INDIO_DIRECT_MODE;
- st->idev = iio_allocate_device(0);
- if (st->idev == NULL) {
- ret = -ENOMEM;
- goto error_free_st;
- }
- st->idev->dev.parent = &spi->dev;
- st->idev->dev_data = (void *)(st);
- st->idev->info = &ad5930_info;
- st->idev->modes = INDIO_DIRECT_MODE;
-
- ret = iio_device_register(st->idev);
+ ret = iio_device_register(idev);
if (ret)
goto error_free_dev;
spi->max_speed_hz = 2000000;
@@ -129,19 +121,14 @@ static int __devinit ad5930_probe(struct spi_device *spi)
return 0;
error_free_dev:
- iio_free_device(st->idev);
-error_free_st:
- kfree(st);
+ iio_free_device(idev);
error_ret:
return ret;
}
static int __devexit ad5930_remove(struct spi_device *spi)
{
- struct ad5930_state *st = spi_get_drvdata(spi);
-
- iio_device_unregister(st->idev);
- kfree(st);
+ iio_device_unregister(spi_get_drvdata(spi));
return 0;
}
diff --git a/drivers/staging/iio/dds/ad9832.c b/drivers/staging/iio/dds/ad9832.c
index e8fe1426a329..e3e61a469bb8 100644
--- a/drivers/staging/iio/dds/ad9832.c
+++ b/drivers/staging/iio/dds/ad9832.c
@@ -77,7 +77,7 @@ static ssize_t ad9832_write(struct device *dev,
size_t len)
{
struct iio_dev *dev_info = dev_get_drvdata(dev);
- struct ad9832_state *st = dev_info->dev_data;
+ struct ad9832_state *st = iio_priv(dev_info);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret;
long val;
@@ -203,7 +203,9 @@ static const struct iio_info ad9832_info = {
static int __devinit ad9832_probe(struct spi_device *spi)
{
struct ad9832_platform_data *pdata = spi->dev.platform_data;
+ struct iio_dev *indio_dev;
struct ad9832_state *st;
+ struct regulator *reg;
int ret;
if (!pdata) {
@@ -211,35 +213,28 @@ static int __devinit ad9832_probe(struct spi_device *spi)
return -ENODEV;
}
- st = kzalloc(sizeof(*st), GFP_KERNEL);
- if (st == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
-
- st->reg = regulator_get(&spi->dev, "vcc");
- if (!IS_ERR(st->reg)) {
- ret = regulator_enable(st->reg);
+ reg = regulator_get(&spi->dev, "vcc");
+ if (!IS_ERR(reg)) {
+ ret = regulator_enable(reg);
if (ret)
goto error_put_reg;
}
- st->mclk = pdata->mclk;
-
- spi_set_drvdata(spi, st);
- st->spi = spi;
-
- st->indio_dev = iio_allocate_device(0);
- if (st->indio_dev == NULL) {
+ indio_dev = iio_allocate_device(sizeof(*st));
+ if (indio_dev == NULL) {
ret = -ENOMEM;
goto error_disable_reg;
}
+ spi_set_drvdata(spi, indio_dev);
+ st = iio_priv(indio_dev);
+ st->reg = reg;
+ st->mclk = pdata->mclk;
+ st->spi = spi;
- st->indio_dev->dev.parent = &spi->dev;
- st->indio_dev->name = spi_get_device_id(spi)->name;
- st->indio_dev->info = &ad9832_info;
- st->indio_dev->dev_data = (void *) st;
- st->indio_dev->modes = INDIO_DIRECT_MODE;
+ indio_dev->dev.parent = &spi->dev;
+ indio_dev->name = spi_get_device_id(spi)->name;
+ indio_dev->info = &ad9832_info;
+ indio_dev->modes = INDIO_DIRECT_MODE;
/* Setup default messages */
@@ -310,35 +305,35 @@ static int __devinit ad9832_probe(struct spi_device *spi)
if (ret)
goto error_free_device;
- ret = iio_device_register(st->indio_dev);
+ ret = iio_device_register(indio_dev);
if (ret)
goto error_free_device;
return 0;
error_free_device:
- iio_free_device(st->indio_dev);
+ iio_free_device(indio_dev);
error_disable_reg:
- if (!IS_ERR(st->reg))
- regulator_disable(st->reg);
+ if (!IS_ERR(reg))
+ regulator_disable(reg);
error_put_reg:
- if (!IS_ERR(st->reg))
- regulator_put(st->reg);
- kfree(st);
-error_ret:
+ if (!IS_ERR(reg))
+ regulator_put(reg);
+
return ret;
}
static int __devexit ad9832_remove(struct spi_device *spi)
{
- struct ad9832_state *st = spi_get_drvdata(spi);
-
- iio_device_unregister(st->indio_dev);
- if (!IS_ERR(st->reg)) {
- regulator_disable(st->reg);
- regulator_put(st->reg);
+ struct iio_dev *indio_dev = spi_get_drvdata(spi);
+ struct ad9832_state *st = iio_priv(indio_dev);
+ struct regulator *reg = st->reg;
+
+ iio_device_unregister(indio_dev);
+ if (!IS_ERR(reg)) {
+ regulator_disable(reg);
+ regulator_put(reg);
}
- kfree(st);
return 0;
}
diff --git a/drivers/staging/iio/dds/ad9832.h b/drivers/staging/iio/dds/ad9832.h
index 5d474543dfce..c5b701f8aabb 100644
--- a/drivers/staging/iio/dds/ad9832.h
+++ b/drivers/staging/iio/dds/ad9832.h
@@ -57,7 +57,6 @@
/**
* struct ad9832_state - driver instance specific data
- * @indio_dev: the industrial I/O device
* @spi: spi_device
* @reg: supply regulator
* @mclk: external master clock
@@ -76,7 +75,6 @@
*/
struct ad9832_state {
- struct iio_dev *indio_dev;
struct spi_device *spi;
struct regulator *reg;
unsigned long mclk;
diff --git a/drivers/staging/iio/dds/ad9834.c b/drivers/staging/iio/dds/ad9834.c
index 0ebe8d58e92e..e6454d58fe41 100644
--- a/drivers/staging/iio/dds/ad9834.c
+++ b/drivers/staging/iio/dds/ad9834.c
@@ -66,7 +66,7 @@ static ssize_t ad9834_write(struct device *dev,
size_t len)
{
struct iio_dev *dev_info = dev_get_drvdata(dev);
- struct ad9834_state *st = dev_info->dev_data;
+ struct ad9834_state *st = iio_priv(dev_info);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret;
long val;
@@ -145,7 +145,7 @@ static ssize_t ad9834_store_wavetype(struct device *dev,
size_t len)
{
struct iio_dev *dev_info = dev_get_drvdata(dev);
- struct ad9834_state *st = dev_info->dev_data;
+ struct ad9834_state *st = iio_priv(dev_info);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret = 0;
bool is_ad9833_7 = (st->devid == ID_AD9833) || (st->devid == ID_AD9837);
@@ -203,7 +203,7 @@ static ssize_t ad9834_show_out0_wavetype_available(struct device *dev,
char *buf)
{
struct iio_dev *dev_info = dev_get_drvdata(dev);
- struct ad9834_state *st = iio_dev_get_devdata(dev_info);
+ struct ad9834_state *st = iio_priv(dev_info);
char *str;
if ((st->devid == ID_AD9833) || (st->devid == ID_AD9837))
@@ -225,7 +225,7 @@ static ssize_t ad9834_show_out1_wavetype_available(struct device *dev,
char *buf)
{
struct iio_dev *dev_info = dev_get_drvdata(dev);
- struct ad9834_state *st = iio_dev_get_devdata(dev_info);
+ struct ad9834_state *st = iio_priv(dev_info);
char *str;
if (st->control & AD9834_MODE)
@@ -285,7 +285,7 @@ static mode_t ad9834_attr_is_visible(struct kobject *kobj,
{
struct device *dev = container_of(kobj, struct device, kobj);
struct iio_dev *dev_info = dev_get_drvdata(dev);
- struct ad9834_state *st = iio_dev_get_devdata(dev_info);
+ struct ad9834_state *st = iio_priv(dev_info);
mode_t mode = attr->mode;
@@ -314,6 +314,8 @@ static int __devinit ad9834_probe(struct spi_device *spi)
{
struct ad9834_platform_data *pdata = spi->dev.platform_data;
struct ad9834_state *st;
+ struct iio_dev *indio_dev;
+ struct regulator *reg;
int ret;
if (!pdata) {
@@ -321,37 +323,28 @@ static int __devinit ad9834_probe(struct spi_device *spi)
return -ENODEV;
}
- st = kzalloc(sizeof(*st), GFP_KERNEL);
- if (st == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
-
- st->reg = regulator_get(&spi->dev, "vcc");
- if (!IS_ERR(st->reg)) {
- ret = regulator_enable(st->reg);
+ reg = regulator_get(&spi->dev, "vcc");
+ if (!IS_ERR(reg)) {
+ ret = regulator_enable(reg);
if (ret)
goto error_put_reg;
}
- st->mclk = pdata->mclk;
-
- spi_set_drvdata(spi, st);
-
- st->spi = spi;
- st->devid = spi_get_device_id(spi)->driver_data;
-
- st->indio_dev = iio_allocate_device(0);
- if (st->indio_dev == NULL) {
+ indio_dev = iio_allocate_device(sizeof(*st));
+ if (indio_dev == NULL) {
ret = -ENOMEM;
goto error_disable_reg;
}
-
- st->indio_dev->dev.parent = &spi->dev;
- st->indio_dev->name = spi_get_device_id(spi)->name;
- st->indio_dev->info = &ad9834_info;
- st->indio_dev->dev_data = (void *) st;
- st->indio_dev->modes = INDIO_DIRECT_MODE;
+ spi_set_drvdata(spi, indio_dev);
+ st = iio_priv(indio_dev);
+ st->mclk = pdata->mclk;
+ st->spi = spi;
+ st->devid = spi_get_device_id(spi)->driver_data;
+ st->reg = reg;
+ indio_dev->dev.parent = &spi->dev;
+ indio_dev->name = spi_get_device_id(spi)->name;
+ indio_dev->info = &ad9834_info;
+ indio_dev->modes = INDIO_DIRECT_MODE;
/* Setup default messages */
@@ -402,35 +395,35 @@ static int __devinit ad9834_probe(struct spi_device *spi)
if (ret)
goto error_free_device;
- ret = iio_device_register(st->indio_dev);
+ ret = iio_device_register(indio_dev);
if (ret)
goto error_free_device;
return 0;
error_free_device:
- iio_free_device(st->indio_dev);
+ iio_free_device(indio_dev);
error_disable_reg:
- if (!IS_ERR(st->reg))
- regulator_disable(st->reg);
+ if (!IS_ERR(reg))
+ regulator_disable(reg);
error_put_reg:
- if (!IS_ERR(st->reg))
- regulator_put(st->reg);
- kfree(st);
-error_ret:
+ if (!IS_ERR(reg))
+ regulator_put(reg);
return ret;
}
static int __devexit ad9834_remove(struct spi_device *spi)
{
- struct ad9834_state *st = spi_get_drvdata(spi);
-
- iio_device_unregister(st->indio_dev);
- if (!IS_ERR(st->reg)) {
- regulator_disable(st->reg);
- regulator_put(st->reg);
+ struct iio_dev *indio_dev = spi_get_drvdata(spi);
+ struct ad9834_state *st = iio_priv(indio_dev);
+ struct regulator *reg = st->reg;
+
+ iio_device_unregister(indio_dev);
+ if (!IS_ERR(reg)) {
+ regulator_disable(reg);
+ regulator_put(reg);
}
- kfree(st);
+
return 0;
}
diff --git a/drivers/staging/iio/dds/ad9834.h b/drivers/staging/iio/dds/ad9834.h
index 2abd63587e03..ed5ed8d0007f 100644
--- a/drivers/staging/iio/dds/ad9834.h
+++ b/drivers/staging/iio/dds/ad9834.h
@@ -38,7 +38,6 @@
/**
* struct ad9834_state - driver instance specific data
- * @indio_dev: the industrial I/O device
* @spi: spi_device
* @reg: supply regulator
* @mclk: external master clock
@@ -52,7 +51,6 @@
*/
struct ad9834_state {
- struct iio_dev *indio_dev;
struct spi_device *spi;
struct regulator *reg;
unsigned int mclk;
diff --git a/drivers/staging/iio/dds/ad9850.c b/drivers/staging/iio/dds/ad9850.c
index b580d852a1ee..d7c9d05f6359 100644
--- a/drivers/staging/iio/dds/ad9850.c
+++ b/drivers/staging/iio/dds/ad9850.c
@@ -30,7 +30,6 @@ struct ad9850_config {
struct ad9850_state {
struct mutex lock;
- struct iio_dev *idev;
struct spi_device *sdev;
};
@@ -44,7 +43,7 @@ static ssize_t ad9850_set_parameter(struct device *dev,
int ret;
struct ad9850_config *config = (struct ad9850_config *)buf;
struct iio_dev *idev = dev_get_drvdata(dev);
- struct ad9850_state *st = idev->dev_data;
+ struct ad9850_state *st = iio_priv(idev);
xfer.len = len;
xfer.tx_buf = config;
@@ -69,7 +68,6 @@ static struct attribute *ad9850_attributes[] = {
};
static const struct attribute_group ad9850_attribute_group = {
- .name = DRV_NAME,
.attrs = ad9850_attributes,
};
@@ -81,30 +79,24 @@ static const struct iio_info ad9850_info = {
static int __devinit ad9850_probe(struct spi_device *spi)
{
struct ad9850_state *st;
+ struct iio_dev *idev;
int ret = 0;
- st = kzalloc(sizeof(*st), GFP_KERNEL);
- if (st == NULL) {
+ idev = iio_allocate_device(sizeof(*st));
+ if (idev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
- spi_set_drvdata(spi, st);
-
+ spi_set_drvdata(spi, idev);
+ st = iio_priv(idev);
mutex_init(&st->lock);
st->sdev = spi;
- st->idev = iio_allocate_device(0);
- if (st->idev == NULL) {
- ret = -ENOMEM;
- goto error_free_st;
- }
- st->idev->dev.parent = &spi->dev;
-
- st->idev->info = &ad9850_info;
- st->idev->dev_data = (void *)(st);
- st->idev->modes = INDIO_DIRECT_MODE;
+ idev->dev.parent = &spi->dev;
+ idev->info = &ad9850_info;
+ idev->modes = INDIO_DIRECT_MODE;
- ret = iio_device_register(st->idev);
+ ret = iio_device_register(idev);
if (ret)
goto error_free_dev;
spi->max_speed_hz = 2000000;
@@ -115,19 +107,14 @@ static int __devinit ad9850_probe(struct spi_device *spi)
return 0;
error_free_dev:
- iio_free_device(st->idev);
-error_free_st:
- kfree(st);
+ iio_free_device(idev);
error_ret:
return ret;
}
static int __devexit ad9850_remove(struct spi_device *spi)
{
- struct ad9850_state *st = spi_get_drvdata(spi);
-
- iio_device_unregister(st->idev);
- kfree(st);
+ iio_device_unregister(spi_get_drvdata(spi));
return 0;
}
diff --git a/drivers/staging/iio/dds/ad9852.c b/drivers/staging/iio/dds/ad9852.c
index 08020f96300a..0184585425d8 100644
--- a/drivers/staging/iio/dds/ad9852.c
+++ b/drivers/staging/iio/dds/ad9852.c
@@ -58,7 +58,6 @@ struct ad9852_config {
struct ad9852_state {
struct mutex lock;
- struct iio_dev *idev;
struct spi_device *sdev;
};
@@ -72,7 +71,7 @@ static ssize_t ad9852_set_parameter(struct device *dev,
int ret;
struct ad9852_config *config = (struct ad9852_config *)buf;
struct iio_dev *idev = dev_get_drvdata(dev);
- struct ad9852_state *st = idev->dev_data;
+ struct ad9852_state *st = iio_priv(idev);
xfer.len = 3;
xfer.tx_buf = &config->phajst0[0];
@@ -230,30 +229,24 @@ static const struct iio_info ad9852_info = {
static int __devinit ad9852_probe(struct spi_device *spi)
{
struct ad9852_state *st;
+ struct iio_dev *idev;
int ret = 0;
- st = kzalloc(sizeof(*st), GFP_KERNEL);
- if (st == NULL) {
+ idev = iio_allocate_device(sizeof(*st));
+ if (idev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
- spi_set_drvdata(spi, st);
-
+ st = iio_priv(idev);
+ spi_set_drvdata(spi, idev);
mutex_init(&st->lock);
st->sdev = spi;
- st->idev = iio_allocate_device(0);
- if (st->idev == NULL) {
- ret = -ENOMEM;
- goto error_free_st;
- }
- st->idev->dev.parent = &spi->dev;
+ idev->dev.parent = &spi->dev;
+ idev->info = &ad9852_info;
+ idev->modes = INDIO_DIRECT_MODE;
- st->idev->info = &ad9852_info;
- st->idev->dev_data = (void *)(st);
- st->idev->modes = INDIO_DIRECT_MODE;
-
- ret = iio_device_register(st->idev);
+ ret = iio_device_register(idev);
if (ret)
goto error_free_dev;
spi->max_speed_hz = 2000000;
@@ -261,22 +254,19 @@ static int __devinit ad9852_probe(struct spi_device *spi)
spi->bits_per_word = 8;
spi_setup(spi);
ad9852_init(st);
+
return 0;
error_free_dev:
- iio_free_device(st->idev);
-error_free_st:
- kfree(st);
+ iio_free_device(idev);
+
error_ret:
return ret;
}
static int __devexit ad9852_remove(struct spi_device *spi)
{
- struct ad9852_state *st = spi_get_drvdata(spi);
-
- iio_device_unregister(st->idev);
- kfree(st);
+ iio_device_unregister(spi_get_drvdata(spi));
return 0;
}
diff --git a/drivers/staging/iio/dds/ad9910.c b/drivers/staging/iio/dds/ad9910.c
index 97d75d755824..0fa217f7b901 100644
--- a/drivers/staging/iio/dds/ad9910.c
+++ b/drivers/staging/iio/dds/ad9910.c
@@ -110,7 +110,6 @@ struct ad9910_config {
struct ad9910_state {
struct mutex lock;
- struct iio_dev *idev;
struct spi_device *sdev;
};
@@ -124,7 +123,7 @@ static ssize_t ad9910_set_parameter(struct device *dev,
int ret;
struct ad9910_config *config = (struct ad9910_config *)buf;
struct iio_dev *idev = dev_get_drvdata(dev);
- struct ad9910_state *st = idev->dev_data;
+ struct ad9910_state *st = iio_priv(idev);
xfer.len = 5;
xfer.tx_buf = &config->auxdac[0];
@@ -365,30 +364,24 @@ static const struct iio_info ad9910_info = {
static int __devinit ad9910_probe(struct spi_device *spi)
{
struct ad9910_state *st;
+ struct iio_dev *idev;
int ret = 0;
- st = kzalloc(sizeof(*st), GFP_KERNEL);
- if (st == NULL) {
+ idev = iio_allocate_device(sizeof(*st));
+ if (idev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
- spi_set_drvdata(spi, st);
-
+ spi_set_drvdata(spi, idev);
+ st = iio_priv(idev);
mutex_init(&st->lock);
st->sdev = spi;
- st->idev = iio_allocate_device(0);
- if (st->idev == NULL) {
- ret = -ENOMEM;
- goto error_free_st;
- }
- st->idev->dev.parent = &spi->dev;
-
- st->idev->info = &ad9910_info;
- st->idev->dev_data = (void *)(st);
- st->idev->modes = INDIO_DIRECT_MODE;
+ idev->dev.parent = &spi->dev;
+ idev->info = &ad9910_info;
+ idev->modes = INDIO_DIRECT_MODE;
- ret = iio_device_register(st->idev);
+ ret = iio_device_register(idev);
if (ret)
goto error_free_dev;
spi->max_speed_hz = 2000000;
@@ -399,19 +392,14 @@ static int __devinit ad9910_probe(struct spi_device *spi)
return 0;
error_free_dev:
- iio_free_device(st->idev);
-error_free_st:
- kfree(st);
+ iio_free_device(idev);
error_ret:
return ret;
}
static int __devexit ad9910_remove(struct spi_device *spi)
{
- struct ad9910_state *st = spi_get_drvdata(spi);
-
- iio_device_unregister(st->idev);
- kfree(st);
+ iio_device_unregister(spi_get_drvdata(spi));
return 0;
}
diff --git a/drivers/staging/iio/dds/ad9951.c b/drivers/staging/iio/dds/ad9951.c
index d4dfcd41d5f9..d361d1f125de 100644
--- a/drivers/staging/iio/dds/ad9951.c
+++ b/drivers/staging/iio/dds/ad9951.c
@@ -51,7 +51,6 @@ struct ad9951_config {
struct ad9951_state {
struct mutex lock;
- struct iio_dev *idev;
struct spi_device *sdev;
};
@@ -65,7 +64,7 @@ static ssize_t ad9951_set_parameter(struct device *dev,
int ret;
struct ad9951_config *config = (struct ad9951_config *)buf;
struct iio_dev *idev = dev_get_drvdata(dev);
- struct ad9951_state *st = idev->dev_data;
+ struct ad9951_state *st = iio_priv(idev);
xfer.len = 3;
xfer.tx_buf = &config->asf[0];
@@ -174,30 +173,25 @@ static const struct iio_info ad9951_info = {
static int __devinit ad9951_probe(struct spi_device *spi)
{
struct ad9951_state *st;
+ struct iio_dev *idev;
int ret = 0;
- st = kzalloc(sizeof(*st), GFP_KERNEL);
- if (st == NULL) {
+ idev = iio_allocate_device(sizeof(*st));
+ if (idev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
- spi_set_drvdata(spi, st);
-
+ spi_set_drvdata(spi, idev);
+ st = iio_priv(idev);
mutex_init(&st->lock);
st->sdev = spi;
- st->idev = iio_allocate_device(0);
- if (st->idev == NULL) {
- ret = -ENOMEM;
- goto error_free_st;
- }
- st->idev->dev.parent = &spi->dev;
+ idev->dev.parent = &spi->dev;
- st->idev->info = &ad9951_info;
- st->idev->dev_data = (void *)(st);
- st->idev->modes = INDIO_DIRECT_MODE;
+ idev->info = &ad9951_info;
+ idev->modes = INDIO_DIRECT_MODE;
- ret = iio_device_register(st->idev);
+ ret = iio_device_register(idev);
if (ret)
goto error_free_dev;
spi->max_speed_hz = 2000000;
@@ -208,19 +202,15 @@ static int __devinit ad9951_probe(struct spi_device *spi)
return 0;
error_free_dev:
- iio_free_device(st->idev);
-error_free_st:
- kfree(st);
+ iio_free_device(idev);
+
error_ret:
return ret;
}
static int __devexit ad9951_remove(struct spi_device *spi)
{
- struct ad9951_state *st = spi_get_drvdata(spi);
-
- iio_device_unregister(st->idev);
- kfree(st);
+ iio_device_unregister(spi_get_drvdata(spi));
return 0;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-24 17:37:33 +0000