Make the conversion to firmware agnostic device properties. As part of
the conversion the IIO inkern interface 'of_xlate()' is also converted to
'fwnode_xlate()'. The goal is to completely drop 'of_xlate' and hence OF
dependencies from IIO.
Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
---
drivers/iio/adc/qcom-spmi-adc5.c | 63 +++++++++++++++-----------------
1 file changed, 30 insertions(+), 33 deletions(-)
diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
index 87438d1e5c0b..a23f9293d6c1 100644
--- a/drivers/iio/adc/qcom-spmi-adc5.c
+++ b/drivers/iio/adc/qcom-spmi-adc5.c
@@ -14,9 +14,9 @@
#include <linux/log2.h>
#include <linux/math64.h>
#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/slab.h>
@@ -403,8 +403,8 @@ static irqreturn_t adc5_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static int adc5_of_xlate(struct iio_dev *indio_dev,
- const struct of_phandle_args *iiospec)
+static int adc5_fwnode_xlate(struct iio_dev *indio_dev,
+ const struct fwnode_reference_args *iiospec)
{
struct adc5_chip *adc = iio_priv(indio_dev);
int i;
@@ -416,8 +416,8 @@ static int adc5_of_xlate(struct iio_dev *indio_dev,
return -EINVAL;
}
-static int adc7_of_xlate(struct iio_dev *indio_dev,
- const struct of_phandle_args *iiospec)
+static int adc7_fwnode_xlate(struct iio_dev *indio_dev,
+ const struct fwnode_reference_args *iiospec)
{
struct adc5_chip *adc = iio_priv(indio_dev);
int i, v_channel;
@@ -481,12 +481,12 @@ static int adc7_read_raw(struct iio_dev *indio_dev,
static const struct iio_info adc5_info = {
.read_raw = adc5_read_raw,
- .of_xlate = adc5_of_xlate,
+ .fwnode_xlate = adc5_fwnode_xlate,
};
static const struct iio_info adc7_info = {
.read_raw = adc7_read_raw,
- .of_xlate = adc7_of_xlate,
+ .fwnode_xlate = adc7_fwnode_xlate,
};
struct adc5_channels {
@@ -611,18 +611,18 @@ static const struct adc5_channels adc5_chans_rev2[ADC5_MAX_CHANNEL] = {
SCALE_HW_CALIB_THERM_100K_PULLUP)
};
-static int adc5_get_dt_channel_data(struct adc5_chip *adc,
+static int adc5_get_fw_channel_data(struct adc5_chip *adc,
struct adc5_channel_prop *prop,
- struct device_node *node,
+ struct fwnode_handle *fwnode,
const struct adc5_data *data)
{
- const char *name = node->name, *channel_name;
+ const char *name = fwnode_get_name(fwnode), *channel_name;
u32 chan, value, varr[2];
u32 sid = 0;
int ret;
struct device *dev = adc->dev;
- ret = of_property_read_u32(node, "reg", &chan);
+ ret = fwnode_property_read_u32(fwnode, "reg", &chan);
if (ret) {
dev_err(dev, "invalid channel number %s\n", name);
return ret;
@@ -647,15 +647,13 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
prop->channel = chan;
prop->sid = sid;
- channel_name = of_get_property(node,
- "label", NULL) ? : node->name;
- if (!channel_name) {
- dev_err(dev, "Invalid channel name\n");
- return -EINVAL;
- }
+ ret = fwnode_property_read_string(fwnode, "label", &channel_name);
+ if (ret)
+ channel_name = name;
+
prop->datasheet_name = channel_name;
- ret = of_property_read_u32(node, "qcom,decimation", &value);
+ ret = fwnode_property_read_u32(fwnode, "qcom,decimation", &value);
if (!ret) {
ret = qcom_adc5_decimation_from_dt(value, data->decimation);
if (ret < 0) {
@@ -668,7 +666,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
prop->decimation = ADC5_DECIMATION_DEFAULT;
}
- ret = of_property_read_u32_array(node, "qcom,pre-scaling", varr, 2);
+ ret = fwnode_property_read_u32_array(fwnode, "qcom,pre-scaling", varr, 2);
if (!ret) {
ret = qcom_adc5_prescaling_from_dt(varr[0], varr[1]);
if (ret < 0) {
@@ -682,7 +680,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
adc->data->adc_chans[prop->channel].prescale_index;
}
- ret = of_property_read_u32(node, "qcom,hw-settle-time", &value);
+ ret = fwnode_property_read_u32(fwnode, "qcom,hw-settle-time", &value);
if (!ret) {
u8 dig_version[2];
@@ -713,7 +711,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
prop->hw_settle_time = VADC_DEF_HW_SETTLE_TIME;
}
- ret = of_property_read_u32(node, "qcom,avg-samples", &value);
+ ret = fwnode_property_read_u32(fwnode, "qcom,avg-samples", &value);
if (!ret) {
ret = qcom_adc5_avg_samples_from_dt(value);
if (ret < 0) {
@@ -726,7 +724,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
prop->avg_samples = VADC_DEF_AVG_SAMPLES;
}
- if (of_property_read_bool(node, "qcom,ratiometric"))
+ if (fwnode_property_read_bool(fwnode, "qcom,ratiometric"))
prop->cal_method = ADC5_RATIOMETRIC_CAL;
else
prop->cal_method = ADC5_ABSOLUTE_CAL;
@@ -801,16 +799,16 @@ static const struct of_device_id adc5_match_table[] = {
};
MODULE_DEVICE_TABLE(of, adc5_match_table);
-static int adc5_get_dt_data(struct adc5_chip *adc, struct device_node *node)
+static int adc5_get_fw_data(struct adc5_chip *adc)
{
const struct adc5_channels *adc_chan;
struct iio_chan_spec *iio_chan;
struct adc5_channel_prop prop, *chan_props;
- struct device_node *child;
+ struct fwnode_handle *child;
unsigned int index = 0;
int ret;
- adc->nchannels = of_get_available_child_count(node);
+ adc->nchannels = device_get_child_node_count(adc->dev);
if (!adc->nchannels)
return -EINVAL;
@@ -826,14 +824,14 @@ static int adc5_get_dt_data(struct adc5_chip *adc, struct device_node *node)
chan_props = adc->chan_props;
iio_chan = adc->iio_chans;
- adc->data = of_device_get_match_data(adc->dev);
+ adc->data = device_get_match_data(adc->dev);
if (!adc->data)
adc->data = &adc5_data_pmic;
- for_each_available_child_of_node(node, child) {
- ret = adc5_get_dt_channel_data(adc, &prop, child, adc->data);
+ device_for_each_child_node(adc->dev, child) {
+ ret = adc5_get_fw_channel_data(adc, &prop, child, adc->data);
if (ret) {
- of_node_put(child);
+ fwnode_handle_put(child);
return ret;
}
@@ -858,7 +856,6 @@ static int adc5_get_dt_data(struct adc5_chip *adc, struct device_node *node)
static int adc5_probe(struct platform_device *pdev)
{
- struct device_node *node = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct iio_dev *indio_dev;
struct adc5_chip *adc;
@@ -870,7 +867,7 @@ static int adc5_probe(struct platform_device *pdev)
if (!regmap)
return -ENODEV;
- ret = of_property_read_u32(node, "reg", ®);
+ ret = device_property_read_u32(dev, "reg", ®);
if (ret < 0)
return ret;
@@ -886,7 +883,7 @@ static int adc5_probe(struct platform_device *pdev)
init_completion(&adc->complete);
mutex_init(&adc->lock);
- ret = adc5_get_dt_data(adc, node);
+ ret = adc5_get_fw_data(adc);
if (ret) {
dev_err(dev, "adc get dt data failed\n");
return ret;
--
2.36.1
