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-rw-r--r--drivers/iio/adc/ad7124.c36
-rw-r--r--drivers/iio/adc/ad7192.c19
-rw-r--r--drivers/iio/adc/ad7768-1.c8
-rw-r--r--drivers/iio/adc/ad7793.c1
-rw-r--r--drivers/iio/adc/ad7923.c4
-rw-r--r--drivers/iio/dac/ad5770r.c16
-rw-r--r--drivers/iio/gyro/fxas21002c_core.c2
7 files changed, 53 insertions, 33 deletions
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 9d3952b4674f..a27db78ea13e 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -771,6 +771,13 @@ static int ad7124_of_parse_channel_config(struct iio_dev *indio_dev,
if (ret)
goto err;
+ if (channel >= indio_dev->num_channels) {
+ dev_err(indio_dev->dev.parent,
+ "Channel index >= number of channels\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
ret = of_property_read_u32_array(child, "diff-channels",
ain, 2);
if (ret)
@@ -850,6 +857,11 @@ static int ad7124_setup(struct ad7124_state *st)
return ret;
}
+static void ad7124_reg_disable(void *r)
+{
+ regulator_disable(r);
+}
+
static int ad7124_probe(struct spi_device *spi)
{
const struct ad7124_chip_info *info;
@@ -895,17 +907,20 @@ static int ad7124_probe(struct spi_device *spi)
ret = regulator_enable(st->vref[i]);
if (ret)
return ret;
+
+ ret = devm_add_action_or_reset(&spi->dev, ad7124_reg_disable,
+ st->vref[i]);
+ if (ret)
+ return ret;
}
st->mclk = devm_clk_get(&spi->dev, "mclk");
- if (IS_ERR(st->mclk)) {
- ret = PTR_ERR(st->mclk);
- goto error_regulator_disable;
- }
+ if (IS_ERR(st->mclk))
+ return PTR_ERR(st->mclk);
ret = clk_prepare_enable(st->mclk);
if (ret < 0)
- goto error_regulator_disable;
+ return ret;
ret = ad7124_soft_reset(st);
if (ret < 0)
@@ -935,11 +950,6 @@ error_remove_trigger:
ad_sd_cleanup_buffer_and_trigger(indio_dev);
error_clk_disable_unprepare:
clk_disable_unprepare(st->mclk);
-error_regulator_disable:
- for (i = ARRAY_SIZE(st->vref) - 1; i >= 0; i--) {
- if (!IS_ERR_OR_NULL(st->vref[i]))
- regulator_disable(st->vref[i]);
- }
return ret;
}
@@ -948,17 +958,11 @@ static int ad7124_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
struct ad7124_state *st = iio_priv(indio_dev);
- int i;
iio_device_unregister(indio_dev);
ad_sd_cleanup_buffer_and_trigger(indio_dev);
clk_disable_unprepare(st->mclk);
- for (i = ARRAY_SIZE(st->vref) - 1; i >= 0; i--) {
- if (!IS_ERR_OR_NULL(st->vref[i]))
- regulator_disable(st->vref[i]);
- }
-
return 0;
}
diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index 2ed580521d81..1141cc13a124 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -912,7 +912,7 @@ static int ad7192_probe(struct spi_device *spi)
{
struct ad7192_state *st;
struct iio_dev *indio_dev;
- int ret, voltage_uv = 0;
+ int ret;
if (!spi->irq) {
dev_err(&spi->dev, "no IRQ?\n");
@@ -949,15 +949,12 @@ static int ad7192_probe(struct spi_device *spi)
goto error_disable_avdd;
}
- voltage_uv = regulator_get_voltage(st->avdd);
-
- if (voltage_uv > 0) {
- st->int_vref_mv = voltage_uv / 1000;
- } else {
- ret = voltage_uv;
+ ret = regulator_get_voltage(st->avdd);
+ if (ret < 0) {
dev_err(&spi->dev, "Device tree error, reference voltage undefined\n");
goto error_disable_avdd;
}
+ st->int_vref_mv = ret / 1000;
spi_set_drvdata(spi, indio_dev);
st->chip_info = of_device_get_match_data(&spi->dev);
@@ -1014,7 +1011,9 @@ static int ad7192_probe(struct spi_device *spi)
return 0;
error_disable_clk:
- clk_disable_unprepare(st->mclk);
+ if (st->clock_sel == AD7192_CLK_EXT_MCLK1_2 ||
+ st->clock_sel == AD7192_CLK_EXT_MCLK2)
+ clk_disable_unprepare(st->mclk);
error_remove_trigger:
ad_sd_cleanup_buffer_and_trigger(indio_dev);
error_disable_dvdd:
@@ -1031,7 +1030,9 @@ static int ad7192_remove(struct spi_device *spi)
struct ad7192_state *st = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
- clk_disable_unprepare(st->mclk);
+ if (st->clock_sel == AD7192_CLK_EXT_MCLK1_2 ||
+ st->clock_sel == AD7192_CLK_EXT_MCLK2)
+ clk_disable_unprepare(st->mclk);
ad_sd_cleanup_buffer_and_trigger(indio_dev);
regulator_disable(st->dvdd);
diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
index c945f1349623..60f21fed6dcb 100644
--- a/drivers/iio/adc/ad7768-1.c
+++ b/drivers/iio/adc/ad7768-1.c
@@ -167,6 +167,10 @@ struct ad7768_state {
* transfer buffers to live in their own cache lines.
*/
union {
+ struct {
+ __be32 chan;
+ s64 timestamp;
+ } scan;
__be32 d32;
u8 d8[2];
} data ____cacheline_aligned;
@@ -469,11 +473,11 @@ static irqreturn_t ad7768_trigger_handler(int irq, void *p)
mutex_lock(&st->lock);
- ret = spi_read(st->spi, &st->data.d32, 3);
+ ret = spi_read(st->spi, &st->data.scan.chan, 3);
if (ret < 0)
goto err_unlock;
- iio_push_to_buffers_with_timestamp(indio_dev, &st->data.d32,
+ iio_push_to_buffers_with_timestamp(indio_dev, &st->data.scan,
iio_get_time_ns(indio_dev));
iio_trigger_notify_done(indio_dev->trig);
diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index 5e980a06258e..440ef4c7be07 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -279,6 +279,7 @@ static int ad7793_setup(struct iio_dev *indio_dev,
id &= AD7793_ID_MASK;
if (id != st->chip_info->id) {
+ ret = -ENODEV;
dev_err(&st->sd.spi->dev, "device ID query failed\n");
goto out;
}
diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c
index 9a649745cd0a..069b561ee768 100644
--- a/drivers/iio/adc/ad7923.c
+++ b/drivers/iio/adc/ad7923.c
@@ -59,8 +59,10 @@ struct ad7923_state {
/*
* DMA (thus cache coherency maintenance) requires the
* transfer buffers to live in their own cache lines.
+ * Ensure rx_buf can be directly used in iio_push_to_buffers_with_timetamp
+ * Length = 8 channels + 4 extra for 8 byte timestamp
*/
- __be16 rx_buf[4] ____cacheline_aligned;
+ __be16 rx_buf[12] ____cacheline_aligned;
__be16 tx_buf[4];
};
diff --git a/drivers/iio/dac/ad5770r.c b/drivers/iio/dac/ad5770r.c
index 7ab2ccf90863..8107f7bbbe3c 100644
--- a/drivers/iio/dac/ad5770r.c
+++ b/drivers/iio/dac/ad5770r.c
@@ -524,23 +524,29 @@ static int ad5770r_channel_config(struct ad5770r_state *st)
device_for_each_child_node(&st->spi->dev, child) {
ret = fwnode_property_read_u32(child, "num", &num);
if (ret)
- return ret;
- if (num >= AD5770R_MAX_CHANNELS)
- return -EINVAL;
+ goto err_child_out;
+ if (num >= AD5770R_MAX_CHANNELS) {
+ ret = -EINVAL;
+ goto err_child_out;
+ }
ret = fwnode_property_read_u32_array(child,
"adi,range-microamp",
tmp, 2);
if (ret)
- return ret;
+ goto err_child_out;
min = tmp[0] / 1000;
max = tmp[1] / 1000;
ret = ad5770r_store_output_range(st, min, max, num);
if (ret)
- return ret;
+ goto err_child_out;
}
+ return 0;
+
+err_child_out:
+ fwnode_handle_put(child);
return ret;
}
diff --git a/drivers/iio/gyro/fxas21002c_core.c b/drivers/iio/gyro/fxas21002c_core.c
index 1a20c6b88e7d..645461c70454 100644
--- a/drivers/iio/gyro/fxas21002c_core.c
+++ b/drivers/iio/gyro/fxas21002c_core.c
@@ -399,6 +399,7 @@ static int fxas21002c_temp_get(struct fxas21002c_data *data, int *val)
ret = regmap_field_read(data->regmap_fields[F_TEMP], &temp);
if (ret < 0) {
dev_err(dev, "failed to read temp: %d\n", ret);
+ fxas21002c_pm_put(data);
goto data_unlock;
}
@@ -432,6 +433,7 @@ static int fxas21002c_axis_get(struct fxas21002c_data *data,
&axis_be, sizeof(axis_be));
if (ret < 0) {
dev_err(dev, "failed to read axis: %d: %d\n", index, ret);
+ fxas21002c_pm_put(data);
goto data_unlock;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 01:48:02 +0100