Commit cd4db38c authored by Wolfram Sang's avatar Wolfram Sang Committed by Guenter Roeck
Browse files

hwmon: (sg2042) Use per-client debugfs entry



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

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20250125123941.36729-12-wsa+renesas@sang-engineering.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 2e522c29
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+7 −37
Original line number Diff line number Diff line
@@ -50,12 +50,9 @@

struct sg2042_mcu_data {
	struct i2c_client	*client;
	struct dentry		*debugfs;
	struct mutex		mutex;
};

static struct dentry *sgmcu_debugfs;

static ssize_t reset_count_show(struct device *dev,
				struct device_attribute *attr,
				char *buf)
@@ -292,18 +289,15 @@ static const struct hwmon_chip_info sg2042_mcu_chip_info = {
	.info = sg2042_mcu_info,
};

static void sg2042_mcu_debugfs_init(struct sg2042_mcu_data *mcu,
				    struct device *dev)
static void sg2042_mcu_debugfs_init(struct sg2042_mcu_data *mcu)
{
	mcu->debugfs = debugfs_create_dir(dev_name(dev), sgmcu_debugfs);

	debugfs_create_file("firmware_version", 0444, mcu->debugfs,
	debugfs_create_file("firmware_version", 0444, mcu->client->debugfs,
			    mcu, &firmware_version_fops);
	debugfs_create_file("pcb_version", 0444, mcu->debugfs, mcu,
	debugfs_create_file("pcb_version", 0444, mcu->client->debugfs, mcu,
			    &pcb_version_fops);
	debugfs_create_file("mcu_type", 0444, mcu->debugfs, mcu,
	debugfs_create_file("mcu_type", 0444, mcu->client->debugfs, mcu,
			    &mcu_type_fops);
	debugfs_create_file("board_type", 0444, mcu->debugfs, mcu,
	debugfs_create_file("board_type", 0444, mcu->client->debugfs, mcu,
			    &board_type_fops);
}

@@ -333,18 +327,11 @@ static int sg2042_mcu_i2c_probe(struct i2c_client *client)
	if (IS_ERR(hwmon_dev))
		return PTR_ERR(hwmon_dev);

	sg2042_mcu_debugfs_init(mcu, dev);
	sg2042_mcu_debugfs_init(mcu);

	return 0;
}

static void sg2042_mcu_i2c_remove(struct i2c_client *client)
{
	struct sg2042_mcu_data *mcu = i2c_get_clientdata(client);

	debugfs_remove_recursive(mcu->debugfs);
}

static const struct i2c_device_id sg2042_mcu_id[] = {
	{ "sg2042-hwmon-mcu" },
	{ }
@@ -364,25 +351,8 @@ static struct i2c_driver sg2042_mcu_driver = {
		.dev_groups = sg2042_mcu_groups,
	},
	.probe = sg2042_mcu_i2c_probe,
	.remove = sg2042_mcu_i2c_remove,
	.id_table = sg2042_mcu_id,
};
module_i2c_driver(sg2042_mcu_driver);

static int __init sg2042_mcu_init(void)
{
	sgmcu_debugfs = debugfs_create_dir("sg2042-mcu", NULL);
	return i2c_add_driver(&sg2042_mcu_driver);
}

static void __exit sg2042_mcu_exit(void)
{
	debugfs_remove_recursive(sgmcu_debugfs);
	i2c_del_driver(&sg2042_mcu_driver);
}

module_init(sg2042_mcu_init);
module_exit(sg2042_mcu_exit);

MODULE_AUTHOR("Inochi Amaoto <inochiama@outlook.com>");
MODULE_DESCRIPTION("MCU I2C driver for SG2042 soc platform");
MODULE_LICENSE("GPL");