[PATCH RFT 1/6] hwmon: (ina3221) Use per-client debugfs entry

[Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>]

The I2C core now offers a debugfs-directory per client. Use it and
remove the custom handling.

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
 drivers/hwmon/ina3221.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c
index 1bf479a0f793..ce0e3f214f5b 100644
--- a/drivers/hwmon/ina3221.c
+++ b/drivers/hwmon/ina3221.c
@@ -116,7 +116,6 @@ struct ina3221_input {
  * @fields: Register fields of the device
  * @inputs: Array of channel input source specific structures
  * @lock: mutex lock to serialize sysfs attribute accesses
- * @debugfs: Pointer to debugfs entry for device
  * @reg_config: Register value of INA3221_CONFIG
  * @summation_shunt_resistor: equivalent shunt resistor value for summation
  * @summation_channel_control: Value written to SCC field in INA3221_MASK_ENABLE
@@ -128,7 +127,6 @@ struct ina3221_data {
 	struct regmap_field *fields[F_MAX_FIELDS];
 	struct ina3221_input inputs[INA3221_NUM_CHANNELS];
 	struct mutex lock;
-	struct dentry *debugfs;
 	u32 reg_config;
 	int summation_shunt_resistor;
 	u32 summation_channel_control;
@@ -913,12 +911,9 @@ static int ina3221_probe(struct i2c_client *client)
 		goto fail;
 	}
 
-	scnprintf(name, sizeof(name), "%s-%s", INA3221_DRIVER_NAME, dev_name(dev));
-	ina->debugfs = debugfs_create_dir(name, NULL);
-
 	for (i = 0; i < INA3221_NUM_CHANNELS; i++) {
 		scnprintf(name, sizeof(name), "in%d_summation_disable", i);
-		debugfs_create_bool(name, 0400, ina->debugfs,
+		debugfs_create_bool(name, 0400, client->debugfs,
 				    &ina->inputs[i].summation_disable);
 	}
 
@@ -940,8 +935,6 @@ static void ina3221_remove(struct i2c_client *client)
 	struct ina3221_data *ina = dev_get_drvdata(&client->dev);
 	int i;
 
-	debugfs_remove_recursive(ina->debugfs);
-
 	pm_runtime_disable(ina->pm_dev);
 	pm_runtime_set_suspended(ina->pm_dev);
 
-- 
2.45.2