diff options
Diffstat (limited to 'drivers/hwmon/ntc_thermistor.c')
| -rw-r--r-- | drivers/hwmon/ntc_thermistor.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index 12435ef66530..0c8b3dbcb38b 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -9,10 +9,10 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/math64.h> +#include <linux/mod_devicetable.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/err.h> -#include <linux/of.h> -#include <linux/of_device.h> #include <linux/fixp-arith.h> #include <linux/iio/consumer.h> #include <linux/hwmon.h> @@ -595,12 +595,11 @@ static const struct hwmon_chip_info ntc_chip_info = { .info = ntc_info, }; -static int ntc_thermistor_parse_dt(struct device *dev, - struct ntc_data *data) +static int ntc_thermistor_parse_props(struct device *dev, + struct ntc_data *data) { struct iio_channel *chan; enum iio_chan_type type; - struct device_node *np = dev->of_node; int ret; chan = devm_iio_channel_get(dev, NULL); @@ -614,14 +613,19 @@ static int ntc_thermistor_parse_dt(struct device *dev, if (type != IIO_VOLTAGE) return -EINVAL; - if (of_property_read_u32(np, "pullup-uv", &data->pullup_uv)) - return -ENODEV; - if (of_property_read_u32(np, "pullup-ohm", &data->pullup_ohm)) - return -ENODEV; - if (of_property_read_u32(np, "pulldown-ohm", &data->pulldown_ohm)) - return -ENODEV; + ret = device_property_read_u32(dev, "pullup-uv", &data->pullup_uv); + if (ret) + return dev_err_probe(dev, ret, "pullup-uv not specified\n"); + + ret = device_property_read_u32(dev, "pullup-ohm", &data->pullup_ohm); + if (ret) + return dev_err_probe(dev, ret, "pullup-ohm not specified\n"); + + ret = device_property_read_u32(dev, "pulldown-ohm", &data->pulldown_ohm); + if (ret) + return dev_err_probe(dev, ret, "pulldown-ohm not specified\n"); - if (of_find_property(np, "connected-positive", NULL)) + if (device_property_read_bool(dev, "connected-positive")) data->connect = NTC_CONNECTED_POSITIVE; else /* status change should be possible if not always on. */ data->connect = NTC_CONNECTED_GROUND; @@ -634,8 +638,6 @@ static int ntc_thermistor_parse_dt(struct device *dev, static int ntc_thermistor_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - const struct of_device_id *of_id = - of_match_device(of_match_ptr(ntc_match), dev); const struct platform_device_id *pdev_id; struct device *hwmon_dev; struct ntc_data *data; @@ -645,7 +647,7 @@ static int ntc_thermistor_probe(struct platform_device *pdev) if (!data) return -ENOMEM; - ret = ntc_thermistor_parse_dt(dev, data); + ret = ntc_thermistor_parse_props(dev, data); if (ret) return ret; @@ -660,7 +662,7 @@ static int ntc_thermistor_probe(struct platform_device *pdev) return -EINVAL; } - pdev_id = of_id ? of_id->data : platform_get_device_id(pdev); + pdev_id = device_get_match_data(dev); if (pdev_id->driver_data >= ARRAY_SIZE(ntc_type)) { dev_err(dev, "Unknown device type: %lu(%s)\n", @@ -688,7 +690,7 @@ static int ntc_thermistor_probe(struct platform_device *pdev) static struct platform_driver ntc_thermistor_driver = { .driver = { .name = "ntc-thermistor", - .of_match_table = of_match_ptr(ntc_match), + .of_match_table = ntc_match, }, .probe = ntc_thermistor_probe, .id_table = ntc_thermistor_id, |