summaryrefslogtreecommitdiff
path: root/drivers/iio/dac/ad5755.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/dac/ad5755.c')
-rw-r--r--drivers/iio/dac/ad5755.c35
1 files changed, 15 insertions, 20 deletions
diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c
index 404865e35460..05e80b6ae2cc 100644
--- a/drivers/iio/dac/ad5755.c
+++ b/drivers/iio/dac/ad5755.c
@@ -699,7 +699,6 @@ static const struct ad5755_platform_data ad5755_default_pdata = {
static struct ad5755_platform_data *ad5755_parse_fw(struct device *dev)
{
- struct fwnode_handle *pp;
struct ad5755_platform_data *pdata;
unsigned int tmp;
unsigned int tmparray[3];
@@ -746,11 +745,12 @@ static struct ad5755_platform_data *ad5755_parse_fw(struct device *dev)
}
devnr = 0;
- device_for_each_child_node(dev, pp) {
+ device_for_each_child_node_scoped(dev, pp) {
if (devnr >= AD5755_NUM_CHANNELS) {
dev_err(dev,
"There are too many channels defined in DT\n");
- goto error_out;
+ devm_kfree(dev, pdata);
+ return NULL;
}
pdata->dac[devnr].mode = AD5755_MODE_CURRENT_4mA_20mA;
@@ -800,16 +800,10 @@ static struct ad5755_platform_data *ad5755_parse_fw(struct device *dev)
}
return pdata;
-
- error_out:
- fwnode_handle_put(pp);
- devm_kfree(dev, pdata);
- return NULL;
}
static int ad5755_probe(struct spi_device *spi)
{
- enum ad5755_type type = spi_get_device_id(spi)->driver_data;
const struct ad5755_platform_data *pdata;
struct iio_dev *indio_dev;
struct ad5755_state *st;
@@ -824,7 +818,7 @@ static int ad5755_probe(struct spi_device *spi)
st = iio_priv(indio_dev);
spi_set_drvdata(spi, indio_dev);
- st->chip_info = &ad5755_chip_info_tbl[type];
+ st->chip_info = spi_get_device_match_data(spi);
st->spi = spi;
st->pwr_down = 0xf;
@@ -854,21 +848,21 @@ static int ad5755_probe(struct spi_device *spi)
}
static const struct spi_device_id ad5755_id[] = {
- { "ad5755", ID_AD5755 },
- { "ad5755-1", ID_AD5755 },
- { "ad5757", ID_AD5757 },
- { "ad5735", ID_AD5735 },
- { "ad5737", ID_AD5737 },
+ { "ad5755", (kernel_ulong_t)&ad5755_chip_info_tbl[ID_AD5755] },
+ { "ad5755-1", (kernel_ulong_t)&ad5755_chip_info_tbl[ID_AD5755] },
+ { "ad5757", (kernel_ulong_t)&ad5755_chip_info_tbl[ID_AD5757] },
+ { "ad5735", (kernel_ulong_t)&ad5755_chip_info_tbl[ID_AD5735] },
+ { "ad5737", (kernel_ulong_t)&ad5755_chip_info_tbl[ID_AD5737] },
{}
};
MODULE_DEVICE_TABLE(spi, ad5755_id);
static const struct of_device_id ad5755_of_match[] = {
- { .compatible = "adi,ad5755" },
- { .compatible = "adi,ad5755-1" },
- { .compatible = "adi,ad5757" },
- { .compatible = "adi,ad5735" },
- { .compatible = "adi,ad5737" },
+ { .compatible = "adi,ad5755", &ad5755_chip_info_tbl[ID_AD5755] },
+ { .compatible = "adi,ad5755-1", &ad5755_chip_info_tbl[ID_AD5755] },
+ { .compatible = "adi,ad5757", &ad5755_chip_info_tbl[ID_AD5757] },
+ { .compatible = "adi,ad5735", &ad5755_chip_info_tbl[ID_AD5735] },
+ { .compatible = "adi,ad5737", &ad5755_chip_info_tbl[ID_AD5737] },
{ }
};
MODULE_DEVICE_TABLE(of, ad5755_of_match);
@@ -876,6 +870,7 @@ MODULE_DEVICE_TABLE(of, ad5755_of_match);
static struct spi_driver ad5755_driver = {
.driver = {
.name = "ad5755",
+ .of_match_table = ad5755_of_match,
},
.probe = ad5755_probe,
.id_table = ad5755_id,