From 331e5fd5bfd7aae3ab4eb947367b9d609ebb3fb3 Mon Sep 17 00:00:00 2001
From: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Date: Thu, 26 Mar 2026 10:30:00 +0100
Subject: [PATCH] hwmon: (ina2xx) drop unused platform data

Nobody defines struct ina2xx_platform_data. Remove platform data support
from the drivers which still have it (it's effectively dead code) and
remove the header.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Link: https://lore.kernel.org/r/20260326-drop-ina2xx-pdata-v1-1-c159437bb2df@oss.qualcomm.com
[groeck: Fixed continuation line alignment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
 drivers/hwmon/ina209.c               | 11 ++---------
 drivers/iio/adc/ina2xx-adc.c         | 14 ++------------
 include/linux/platform_data/ina2xx.h | 16 ----------------
 3 files changed, 4 insertions(+), 37 deletions(-)
 delete mode 100644 include/linux/platform_data/ina2xx.h

diff --git a/drivers/hwmon/ina209.c b/drivers/hwmon/ina209.c
index bd7b3380d847a..a116f1600e810 100644
--- a/drivers/hwmon/ina209.c
+++ b/drivers/hwmon/ina209.c
@@ -27,8 +27,6 @@
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
 
-#include <linux/platform_data/ina2xx.h>
-
 /* register definitions */
 #define INA209_CONFIGURATION		0x00
 #define INA209_STATUS			0x01
@@ -487,7 +485,6 @@ static void ina209_restore_conf(struct i2c_client *client,
 static int ina209_init_client(struct i2c_client *client,
 			      struct ina209_data *data)
 {
-	struct ina2xx_platform_data *pdata = dev_get_platdata(&client->dev);
 	u32 shunt;
 	int reg;
 
@@ -501,12 +498,8 @@ static int ina209_init_client(struct i2c_client *client,
 		return reg;
 	data->config_orig = reg;
 
-	if (pdata) {
-		if (pdata->shunt_uohms <= 0)
-			return -EINVAL;
-		shunt = pdata->shunt_uohms;
-	} else if (!of_property_read_u32(client->dev.of_node, "shunt-resistor",
-					 &shunt)) {
+	if (!of_property_read_u32(client->dev.of_node, "shunt-resistor",
+				  &shunt)) {
 		if (shunt == 0)
 			return -EINVAL;
 	} else {
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 857e1b69d6cd4..c6cded508738f 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -33,8 +33,6 @@
 #include <linux/sched/task.h>
 #include <linux/util_macros.h>
 
-#include <linux/platform_data/ina2xx.h>
-
 /* INA2XX registers definition */
 #define INA2XX_CONFIG                   0x00
 #define INA2XX_SHUNT_VOLTAGE            0x01	/* readonly */
@@ -980,16 +978,8 @@ static int ina2xx_probe(struct i2c_client *client)
 
 	mutex_init(&chip->state_lock);
 
-	if (of_property_read_u32(client->dev.of_node,
-				 "shunt-resistor", &val) < 0) {
-		struct ina2xx_platform_data *pdata =
-		    dev_get_platdata(&client->dev);
-
-		if (pdata)
-			val = pdata->shunt_uohms;
-		else
-			val = INA2XX_RSHUNT_DEFAULT;
-	}
+	if (of_property_read_u32(client->dev.of_node, "shunt-resistor", &val) < 0)
+		val = INA2XX_RSHUNT_DEFAULT;
 
 	ret = set_shunt_resistor(chip, val);
 	if (ret)
diff --git a/include/linux/platform_data/ina2xx.h b/include/linux/platform_data/ina2xx.h
deleted file mode 100644
index 2aa5ee9a90507..0000000000000
--- a/include/linux/platform_data/ina2xx.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Driver for Texas Instruments INA219, INA226 power monitor chips
- *
- * Copyright (C) 2012 Lothar Felten <lothar.felten@gmail.com>
- *
- * For further information, see the Documentation/hwmon/ina2xx.rst file.
- */
-
-/**
- * struct ina2xx_platform_data - ina2xx info
- * @shunt_uohms		shunt resistance in microohms
- */
-struct ina2xx_platform_data {
-	long shunt_uohms;
-};
-- 
2.47.3