[PATCH 01/17] hwmon: (ina238) Drop platform data support

[Guenter Roeck <linux@roeck-us.net>]

There are no in-tree users of ina2xx platform data. Drop
support for it. The driver already supports device properties
which can be used as alternative if needed.

Also remove reference to the non-existing shunt_resistor sysfs
attribute from the driver documentation.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
 Documentation/hwmon/ina238.rst | 8 ++++----
 drivers/hwmon/ina238.c         | 8 ++------
 2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/Documentation/hwmon/ina238.rst b/Documentation/hwmon/ina238.rst
index 9a24da4786a4..9b830e37c986 100644
--- a/Documentation/hwmon/ina238.rst
+++ b/Documentation/hwmon/ina238.rst
@@ -29,10 +29,10 @@ The INA238 is a current shunt, power and temperature monitor with an I2C
 interface. It includes a number of programmable functions including alerts,
 conversion rate, sample averaging and selectable shunt voltage accuracy.
 
-The shunt value in micro-ohms can be set via platform data or device tree at
-compile-time or via the shunt_resistor attribute in sysfs at run-time. Please
-refer to the Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml for bindings
-if the device tree is used.
+The shunt value in micro-ohms can be set via device properties, either from
+platform code or from device tree data. Please refer to
+Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml for bindings if
+device tree is used.
 
 Sysfs entries
 -------------
diff --git a/drivers/hwmon/ina238.c b/drivers/hwmon/ina238.c
index 59a2c8889fa2..22e2b862fb33 100644
--- a/drivers/hwmon/ina238.c
+++ b/drivers/hwmon/ina238.c
@@ -16,8 +16,6 @@
 #include <linux/of.h>
 #include <linux/regmap.h>
 
-#include <linux/platform_data/ina2xx.h>
-
 /* INA238 register definitions */
 #define INA238_CONFIG			0x0
 #define INA238_ADC_CONFIG		0x1
@@ -745,7 +743,6 @@ ATTRIBUTE_GROUPS(ina238);
 
 static int ina238_probe(struct i2c_client *client)
 {
-	struct ina2xx_platform_data *pdata = dev_get_platdata(&client->dev);
 	struct device *dev = &client->dev;
 	struct device *hwmon_dev;
 	struct ina238_data *data;
@@ -772,9 +769,8 @@ static int ina238_probe(struct i2c_client *client)
 	}
 
 	/* load shunt value */
-	data->rshunt = INA238_RSHUNT_DEFAULT;
-	if (device_property_read_u32(dev, "shunt-resistor", &data->rshunt) < 0 && pdata)
-		data->rshunt = pdata->shunt_uohms;
+	if (device_property_read_u32(dev, "shunt-resistor", &data->rshunt) < 0)
+		data->rshunt = INA238_RSHUNT_DEFAULT;
 	if (data->rshunt == 0) {
 		dev_err(dev, "invalid shunt resister value %u\n", data->rshunt);
 		return -EINVAL;
-- 
2.45.2