summaryrefslogtreecommitdiffstats
path: root/drivers/iio/frequency
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/iio/frequency/admfm2000.c24
-rw-r--r--drivers/iio/frequency/admv1013.c40
-rw-r--r--drivers/iio/frequency/adrf6780.c1
3 files changed, 16 insertions, 49 deletions
diff --git a/drivers/iio/frequency/admfm2000.c b/drivers/iio/frequency/admfm2000.c
index c34d79e55a..b2263b9afe 100644
--- a/drivers/iio/frequency/admfm2000.c
+++ b/drivers/iio/frequency/admfm2000.c
@@ -160,26 +160,21 @@ static int admfm2000_channel_config(struct admfm2000_state *st,
{
struct platform_device *pdev = to_platform_device(indio_dev->dev.parent);
struct device *dev = &pdev->dev;
- struct fwnode_handle *child;
struct gpio_desc **dsa;
struct gpio_desc **sw;
int ret, i;
bool mode;
u32 reg;
- device_for_each_child_node(dev, child) {
+ device_for_each_child_node_scoped(dev, child) {
ret = fwnode_property_read_u32(child, "reg", &reg);
- if (ret) {
- fwnode_handle_put(child);
+ if (ret)
return dev_err_probe(dev, ret,
"Failed to get reg property\n");
- }
- if (reg >= indio_dev->num_channels) {
- fwnode_handle_put(child);
+ if (reg >= indio_dev->num_channels)
return dev_err_probe(dev, -EINVAL, "reg bigger than: %d\n",
indio_dev->num_channels);
- }
if (fwnode_property_present(child, "adi,mixer-mode"))
mode = ADMFM2000_MIXER_MODE;
@@ -196,36 +191,29 @@ static int admfm2000_channel_config(struct admfm2000_state *st,
dsa = st->dsa2_gpios;
break;
default:
- fwnode_handle_put(child);
return -EINVAL;
}
for (i = 0; i < ADMFM2000_MODE_GPIOS; i++) {
sw[i] = devm_fwnode_gpiod_get_index(dev, child, "switch",
i, GPIOD_OUT_LOW, NULL);
- if (IS_ERR(sw[i])) {
- fwnode_handle_put(child);
+ if (IS_ERR(sw[i]))
return dev_err_probe(dev, PTR_ERR(sw[i]),
"Failed to get gpios\n");
- }
}
for (i = 0; i < ADMFM2000_DSA_GPIOS; i++) {
dsa[i] = devm_fwnode_gpiod_get_index(dev, child,
"attenuation", i,
GPIOD_OUT_LOW, NULL);
- if (IS_ERR(dsa[i])) {
- fwnode_handle_put(child);
+ if (IS_ERR(dsa[i]))
return dev_err_probe(dev, PTR_ERR(dsa[i]),
"Failed to get gpios\n");
- }
}
ret = admfm2000_mode(indio_dev, reg, mode);
- if (ret) {
- fwnode_handle_put(child);
+ if (ret)
return ret;
- }
}
return 0;
diff --git a/drivers/iio/frequency/admv1013.c b/drivers/iio/frequency/admv1013.c
index 92923074f9..c0cd5d9844 100644
--- a/drivers/iio/frequency/admv1013.c
+++ b/drivers/iio/frequency/admv1013.c
@@ -95,7 +95,6 @@ struct admv1013_state {
struct clk *clkin;
/* Protect against concurrent accesses to the device and to data */
struct mutex lock;
- struct regulator *reg;
struct notifier_block nb;
unsigned int input_mode;
unsigned int quad_se_mode;
@@ -342,14 +341,9 @@ static int admv1013_update_quad_filters(struct admv1013_state *st)
FIELD_PREP(ADMV1013_QUAD_FILTERS_MSK, filt_raw));
}
-static int admv1013_update_mixer_vgate(struct admv1013_state *st)
+static int admv1013_update_mixer_vgate(struct admv1013_state *st, int vcm)
{
unsigned int mixer_vgate;
- int vcm;
-
- vcm = regulator_get_voltage(st->reg);
- if (vcm < 0)
- return vcm;
if (vcm <= 1800000)
mixer_vgate = (2389 * vcm / 1000000 + 8100) / 100;
@@ -443,7 +437,7 @@ static const struct iio_chan_spec admv1013_channels[] = {
ADMV1013_CHAN_CALIB(1, Q),
};
-static int admv1013_init(struct admv1013_state *st)
+static int admv1013_init(struct admv1013_state *st, int vcm_uv)
{
int ret;
unsigned int data;
@@ -483,7 +477,7 @@ static int admv1013_init(struct admv1013_state *st)
if (ret)
return ret;
- ret = admv1013_update_mixer_vgate(st);
+ ret = admv1013_update_mixer_vgate(st, vcm_uv);
if (ret)
return ret;
@@ -498,11 +492,6 @@ static int admv1013_init(struct admv1013_state *st)
st->input_mode);
}
-static void admv1013_reg_disable(void *data)
-{
- regulator_disable(data);
-}
-
static void admv1013_powerdown(void *data)
{
unsigned int enable_reg, enable_reg_msk;
@@ -557,11 +546,6 @@ static int admv1013_properties_parse(struct admv1013_state *st)
else
return -EINVAL;
- st->reg = devm_regulator_get(&spi->dev, "vcm");
- if (IS_ERR(st->reg))
- return dev_err_probe(&spi->dev, PTR_ERR(st->reg),
- "failed to get the common-mode voltage\n");
-
ret = devm_regulator_bulk_get_enable(&st->spi->dev,
ARRAY_SIZE(admv1013_vcc_regs),
admv1013_vcc_regs);
@@ -578,7 +562,7 @@ static int admv1013_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
struct admv1013_state *st;
- int ret;
+ int ret, vcm_uv;
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev)
@@ -597,16 +581,12 @@ static int admv1013_probe(struct spi_device *spi)
if (ret)
return ret;
- ret = regulator_enable(st->reg);
- if (ret) {
- dev_err(&spi->dev, "Failed to enable specified Common-Mode Voltage!\n");
- return ret;
- }
+ ret = devm_regulator_get_enable_read_voltage(&spi->dev, "vcm");
+ if (ret < 0)
+ return dev_err_probe(&spi->dev, ret,
+ "failed to get the common-mode voltage\n");
- ret = devm_add_action_or_reset(&spi->dev, admv1013_reg_disable,
- st->reg);
- if (ret)
- return ret;
+ vcm_uv = ret;
st->clkin = devm_clk_get_enabled(&spi->dev, "lo_in");
if (IS_ERR(st->clkin))
@@ -620,7 +600,7 @@ static int admv1013_probe(struct spi_device *spi)
mutex_init(&st->lock);
- ret = admv1013_init(st);
+ ret = admv1013_init(st, vcm_uv);
if (ret) {
dev_err(&spi->dev, "admv1013 init failed\n");
return ret;
diff --git a/drivers/iio/frequency/adrf6780.c b/drivers/iio/frequency/adrf6780.c
index b4defb82f3..3f46032c92 100644
--- a/drivers/iio/frequency/adrf6780.c
+++ b/drivers/iio/frequency/adrf6780.c
@@ -9,7 +9,6 @@
#include <linux/bits.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
-#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/iio/iio.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-25 07:31:15 +0000