[PATCH] hwmon: (ina2xx) drop unused platform data
From: Bartosz Golaszewski
Date: Thu Mar 26 2026 - 05:30:49 EST
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@xxxxxxxxxxxxxxxx>
---
drivers/hwmon/ina209.c | 9 +--------
drivers/iio/adc/ina2xx-adc.c | 14 ++------------
include/linux/platform_data/ina2xx.h | 16 ----------------
3 files changed, 3 insertions(+), 36 deletions(-)
diff --git a/drivers/hwmon/ina209.c b/drivers/hwmon/ina209.c
index bd7b3380d847af4439327f0753745fd832e3e22c..eec529e26d6912ad39924420b4c23d2cb91cc81d 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;
@@ -501,11 +498,7 @@ 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",
+ if (!of_property_read_u32(client->dev.of_node, "shunt-resistor",
&shunt)) {
if (shunt == 0)
return -EINVAL;
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 857e1b69d6cd4d65d7ebe5de222fe92875eccdcc..c6cded508738f95e5001ebd276edfa07890e217c 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 2aa5ee9a90507e8233bde3cb9be257dda23cd52c..0000000000000000000000000000000000000000
--- 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@xxxxxxxxx>
- *
- * 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;
-};
---
base-commit: 66ba480978ce390e631e870b740a3406e3eb6b01
change-id: 20260326-drop-ina2xx-pdata-167cd72977aa
Best regards,
--
Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxxxxxxxx>