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Diffstat (limited to 'drivers/staging/iio/frequency')
-rw-r--r--drivers/staging/iio/frequency/ad5930.c16
-rw-r--r--drivers/staging/iio/frequency/ad9832.c36
-rw-r--r--drivers/staging/iio/frequency/ad9834.c33
-rw-r--r--drivers/staging/iio/frequency/ad9850.c16
-rw-r--r--drivers/staging/iio/frequency/ad9852.c62
-rw-r--r--drivers/staging/iio/frequency/ad9910.c98
-rw-r--r--drivers/staging/iio/frequency/ad9951.c43
7 files changed, 84 insertions, 220 deletions
diff --git a/drivers/staging/iio/frequency/ad5930.c b/drivers/staging/iio/frequency/ad5930.c
index 69e90e9..a4aeee6 100644
--- a/drivers/staging/iio/frequency/ad5930.c
+++ b/drivers/staging/iio/frequency/ad5930.c
@@ -94,11 +94,9 @@ static int ad5930_probe(struct spi_device *spi)
struct iio_dev *idev;
int ret = 0;
- idev = iio_device_alloc(sizeof(*st));
- if (idev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ idev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!idev)
+ return -ENOMEM;
spi_set_drvdata(spi, idev);
st = iio_priv(idev);
@@ -110,24 +108,18 @@ static int ad5930_probe(struct spi_device *spi)
ret = iio_device_register(idev);
if (ret)
- goto error_free_dev;
+ return ret;
spi->max_speed_hz = 2000000;
spi->mode = SPI_MODE_3;
spi->bits_per_word = 16;
spi_setup(spi);
return 0;
-
-error_free_dev:
- iio_device_free(idev);
-error_ret:
- return ret;
}
static int ad5930_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
- iio_device_free(spi_get_drvdata(spi));
return 0;
}
diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c
index 4e18380..c7d0307 100644
--- a/drivers/staging/iio/frequency/ad9832.c
+++ b/drivers/staging/iio/frequency/ad9832.c
@@ -81,9 +81,9 @@ static ssize_t ad9832_write(struct device *dev,
struct ad9832_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret;
- long val;
+ unsigned long val;
- ret = strict_strtoul(buf, 10, &val);
+ ret = kstrtoul(buf, 10, &val);
if (ret)
goto error_ret;
@@ -214,14 +214,14 @@ static int ad9832_probe(struct spi_device *spi)
return -ENODEV;
}
- reg = regulator_get(&spi->dev, "vcc");
+ reg = devm_regulator_get(&spi->dev, "vcc");
if (!IS_ERR(reg)) {
ret = regulator_enable(reg);
if (ret)
- goto error_put_reg;
+ return ret;
}
- indio_dev = iio_device_alloc(sizeof(*st));
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL) {
ret = -ENOMEM;
goto error_disable_reg;
@@ -279,47 +279,42 @@ static int ad9832_probe(struct spi_device *spi)
ret = spi_sync(st->spi, &st->msg);
if (ret) {
dev_err(&spi->dev, "device init failed\n");
- goto error_free_device;
+ goto error_disable_reg;
}
ret = ad9832_write_frequency(st, AD9832_FREQ0HM, pdata->freq0);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = ad9832_write_frequency(st, AD9832_FREQ1HM, pdata->freq1);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = ad9832_write_phase(st, AD9832_PHASE0H, pdata->phase0);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = ad9832_write_phase(st, AD9832_PHASE1H, pdata->phase1);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = ad9832_write_phase(st, AD9832_PHASE2H, pdata->phase2);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = ad9832_write_phase(st, AD9832_PHASE3H, pdata->phase3);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = iio_device_register(indio_dev);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
return 0;
-error_free_device:
- iio_device_free(indio_dev);
error_disable_reg:
if (!IS_ERR(reg))
regulator_disable(reg);
-error_put_reg:
- if (!IS_ERR(reg))
- regulator_put(reg);
return ret;
}
@@ -330,11 +325,8 @@ static int ad9832_remove(struct spi_device *spi)
struct ad9832_state *st = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
- if (!IS_ERR(st->reg)) {
+ if (!IS_ERR(st->reg))
regulator_disable(st->reg);
- regulator_put(st->reg);
- }
- iio_device_free(indio_dev);
return 0;
}
diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c
index 5cba3c0..86cda61 100644
--- a/drivers/staging/iio/frequency/ad9834.c
+++ b/drivers/staging/iio/frequency/ad9834.c
@@ -70,9 +70,9 @@ static ssize_t ad9834_write(struct device *dev,
struct ad9834_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret;
- long val;
+ unsigned long val;
- ret = strict_strtoul(buf, 10, &val);
+ ret = kstrtoul(buf, 10, &val);
if (ret)
goto error_ret;
@@ -327,14 +327,14 @@ static int ad9834_probe(struct spi_device *spi)
return -ENODEV;
}
- reg = regulator_get(&spi->dev, "vcc");
+ reg = devm_regulator_get(&spi->dev, "vcc");
if (!IS_ERR(reg)) {
ret = regulator_enable(reg);
if (ret)
- goto error_put_reg;
+ return ret;
}
- indio_dev = iio_device_alloc(sizeof(*st));
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL) {
ret = -ENOMEM;
goto error_disable_reg;
@@ -388,39 +388,35 @@ static int ad9834_probe(struct spi_device *spi)
ret = spi_sync(st->spi, &st->msg);
if (ret) {
dev_err(&spi->dev, "device init failed\n");
- goto error_free_device;
+ goto error_disable_reg;
}
ret = ad9834_write_frequency(st, AD9834_REG_FREQ0, pdata->freq0);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = ad9834_write_frequency(st, AD9834_REG_FREQ1, pdata->freq1);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = ad9834_write_phase(st, AD9834_REG_PHASE0, pdata->phase0);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = ad9834_write_phase(st, AD9834_REG_PHASE1, pdata->phase1);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
ret = iio_device_register(indio_dev);
if (ret)
- goto error_free_device;
+ goto error_disable_reg;
return 0;
-error_free_device:
- iio_device_free(indio_dev);
error_disable_reg:
if (!IS_ERR(reg))
regulator_disable(reg);
-error_put_reg:
- if (!IS_ERR(reg))
- regulator_put(reg);
+
return ret;
}
@@ -430,11 +426,8 @@ static int ad9834_remove(struct spi_device *spi)
struct ad9834_state *st = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
- if (!IS_ERR(st->reg)) {
+ if (!IS_ERR(st->reg))
regulator_disable(st->reg);
- regulator_put(st->reg);
- }
- iio_device_free(indio_dev);
return 0;
}
diff --git a/drivers/staging/iio/frequency/ad9850.c b/drivers/staging/iio/frequency/ad9850.c
index 01a8a93..af877ff 100644
--- a/drivers/staging/iio/frequency/ad9850.c
+++ b/drivers/staging/iio/frequency/ad9850.c
@@ -80,11 +80,9 @@ static int ad9850_probe(struct spi_device *spi)
struct iio_dev *idev;
int ret = 0;
- idev = iio_device_alloc(sizeof(*st));
- if (idev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ idev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!idev)
+ return -ENOMEM;
spi_set_drvdata(spi, idev);
st = iio_priv(idev);
mutex_init(&st->lock);
@@ -96,24 +94,18 @@ static int ad9850_probe(struct spi_device *spi)
ret = iio_device_register(idev);
if (ret)
- goto error_free_dev;
+ return ret;
spi->max_speed_hz = 2000000;
spi->mode = SPI_MODE_3;
spi->bits_per_word = 16;
spi_setup(spi);
return 0;
-
-error_free_dev:
- iio_device_free(idev);
-error_ret:
- return ret;
}
static int ad9850_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
- iio_device_free(spi_get_drvdata(spi));
return 0;
}
diff --git a/drivers/staging/iio/frequency/ad9852.c b/drivers/staging/iio/frequency/ad9852.c
index 1344031..11e4367 100644
--- a/drivers/staging/iio/frequency/ad9852.c
+++ b/drivers/staging/iio/frequency/ad9852.c
@@ -67,7 +67,6 @@ static ssize_t ad9852_set_parameter(struct device *dev,
const char *buf,
size_t len)
{
- struct spi_message msg;
struct spi_transfer xfer;
int ret;
struct ad9852_config *config = (struct ad9852_config *)buf;
@@ -78,99 +77,77 @@ static ssize_t ad9852_set_parameter(struct device *dev,
xfer.tx_buf = &config->phajst0[0];
mutex_lock(&st->lock);
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 3;
xfer.tx_buf = &config->phajst1[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 6;
xfer.tx_buf = &config->fretun1[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 6;
xfer.tx_buf = &config->fretun2[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 6;
xfer.tx_buf = &config->dltafre[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 5;
xfer.tx_buf = &config->updtclk[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 4;
xfer.tx_buf = &config->ramprat[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 5;
xfer.tx_buf = &config->control[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 3;
xfer.tx_buf = &config->outpskm[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 2;
xfer.tx_buf = &config->outpskr[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 3;
xfer.tx_buf = &config->daccntl[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
error_ret:
@@ -229,11 +206,9 @@ static int ad9852_probe(struct spi_device *spi)
struct iio_dev *idev;
int ret = 0;
- idev = iio_device_alloc(sizeof(*st));
- if (idev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ idev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!idev)
+ return -ENOMEM;
st = iio_priv(idev);
spi_set_drvdata(spi, idev);
mutex_init(&st->lock);
@@ -245,7 +220,7 @@ static int ad9852_probe(struct spi_device *spi)
ret = iio_device_register(idev);
if (ret)
- goto error_free_dev;
+ return ret;
spi->max_speed_hz = 2000000;
spi->mode = SPI_MODE_3;
spi->bits_per_word = 8;
@@ -253,18 +228,11 @@ static int ad9852_probe(struct spi_device *spi)
ad9852_init(st);
return 0;
-
-error_free_dev:
- iio_device_free(idev);
-
-error_ret:
- return ret;
}
static int ad9852_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
- iio_device_free(spi_get_drvdata(spi));
return 0;
}
diff --git a/drivers/staging/iio/frequency/ad9910.c b/drivers/staging/iio/frequency/ad9910.c
index e48f874..755e048 100644
--- a/drivers/staging/iio/frequency/ad9910.c
+++ b/drivers/staging/iio/frequency/ad9910.c
@@ -119,7 +119,6 @@ static ssize_t ad9910_set_parameter(struct device *dev,
const char *buf,
size_t len)
{
- struct spi_message msg;
struct spi_transfer xfer;
int ret;
struct ad9910_config *config = (struct ad9910_config *)buf;
@@ -130,152 +129,118 @@ static ssize_t ad9910_set_parameter(struct device *dev,
xfer.tx_buf = &config->auxdac[0];
mutex_lock(&st->lock);
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 5;
xfer.tx_buf = &config->ioupd[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 5;
xfer.tx_buf = &config->ftw[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 3;
xfer.tx_buf = &config->pow[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 5;
xfer.tx_buf = &config->asf[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 5;
xfer.tx_buf = &config->multc[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->dig_rampl[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->dig_ramps[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 5;
xfer.tx_buf = &config->dig_rampr[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->sin_tonep0[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->sin_tonep1[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->sin_tonep2[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->sin_tonep3[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->sin_tonep4[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->sin_tonep5[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->sin_tonep6[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 9;
xfer.tx_buf = &config->sin_tonep7[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
error_ret:
@@ -288,7 +253,6 @@ static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9910_set_parameter, 0);
static void ad9910_init(struct ad9910_state *st)
{
- struct spi_message msg;
struct spi_transfer xfer;
int ret;
u8 cfr[5];
@@ -304,9 +268,7 @@ static void ad9910_init(struct ad9910_state *st)
xfer.len = 5;
xfer.tx_buf = 𝔠
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
@@ -319,9 +281,7 @@ static void ad9910_init(struct ad9910_state *st)
xfer.len = 5;
xfer.tx_buf = 𝔠
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
@@ -334,9 +294,7 @@ static void ad9910_init(struct ad9910_state *st)
xfer.len = 5;
xfer.tx_buf = 𝔠
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
@@ -367,11 +325,9 @@ static int ad9910_probe(struct spi_device *spi)
struct iio_dev *idev;
int ret = 0;
- idev = iio_device_alloc(sizeof(*st));
- if (idev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ idev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!idev)
+ return -ENOMEM;
spi_set_drvdata(spi, idev);
st = iio_priv(idev);
mutex_init(&st->lock);
@@ -383,24 +339,18 @@ static int ad9910_probe(struct spi_device *spi)
ret = iio_device_register(idev);
if (ret)
- goto error_free_dev;
+ return ret;
spi->max_speed_hz = 2000000;
spi->mode = SPI_MODE_3;
spi->bits_per_word = 8;
spi_setup(spi);
ad9910_init(st);
return 0;
-
-error_free_dev:
- iio_device_free(idev);
-error_ret:
- return ret;
}
static int ad9910_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
- iio_device_free(spi_get_drvdata(spi));
return 0;
}
diff --git a/drivers/staging/iio/frequency/ad9951.c b/drivers/staging/iio/frequency/ad9951.c
index 8234e3c..5e8990a 100644
--- a/drivers/staging/iio/frequency/ad9951.c
+++ b/drivers/staging/iio/frequency/ad9951.c
@@ -60,7 +60,6 @@ static ssize_t ad9951_set_parameter(struct device *dev,
const char *buf,
size_t len)
{
- struct spi_message msg;
struct spi_transfer xfer;
int ret;
struct ad9951_config *config = (struct ad9951_config *)buf;
@@ -71,36 +70,28 @@ static ssize_t ad9951_set_parameter(struct device *dev,
xfer.tx_buf = &config->asf[0];
mutex_lock(&st->lock);
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 2;
xfer.tx_buf = &config->arr[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 5;
xfer.tx_buf = &config->ftw0[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
xfer.len = 3;
xfer.tx_buf = &config->ftw1[0];
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
error_ret:
@@ -113,7 +104,6 @@ static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9951_set_parameter, 0);
static void ad9951_init(struct ad9951_state *st)
{
- struct spi_message msg;
struct spi_transfer xfer;
int ret;
u8 cfr[5];
@@ -129,9 +119,7 @@ static void ad9951_init(struct ad9951_state *st)
xfer.len = 5;
xfer.tx_buf = 𝔠
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
@@ -143,9 +131,7 @@ static void ad9951_init(struct ad9951_state *st)
xfer.len = 4;
xfer.tx_buf = 𝔠
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->sdev, &msg);
+ ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret)
goto error_ret;
@@ -176,11 +162,9 @@ static int ad9951_probe(struct spi_device *spi)
struct iio_dev *idev;
int ret = 0;
- idev = iio_device_alloc(sizeof(*st));
- if (idev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ idev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!idev)
+ return -ENOMEM;
spi_set_drvdata(spi, idev);
st = iio_priv(idev);
mutex_init(&st->lock);
@@ -193,25 +177,18 @@ static int ad9951_probe(struct spi_device *spi)
ret = iio_device_register(idev);
if (ret)
- goto error_free_dev;
+ return ret;
spi->max_speed_hz = 2000000;
spi->mode = SPI_MODE_3;
spi->bits_per_word = 8;
spi_setup(spi);
ad9951_init(st);
return 0;
-
-error_free_dev:
- iio_device_free(idev);
-
-error_ret:
- return ret;
}
static int ad9951_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
- iio_device_free(spi_get_drvdata(spi));
return 0;
}
generated by cgit v0.10.2 at 2024-08-09 17:51:11 (GMT)