On Thu, Dec 07, 2017 at 01:50:37PM -0600, Eddie James wrote:
> From: "Edward A. James" <eaja...@us.ibm.com>
>
> Pmbus client drivers, if they want to use debugfs, should use the same
> root directory as the pmbus debugfs entries are using. Therefore, export
> the device dentry for the pmbus client.
>
> Signed-off-by: Edward A. James <eaja...@us.ibm.com>
> ---
> drivers/hwmon/pmbus/pmbus.h | 2 ++
> drivers/hwmon/pmbus/pmbus_core.c | 7 +++++++
> 2 files changed, 9 insertions(+)
>
> diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
> index d39d506..1d24397 100644
> --- a/drivers/hwmon/pmbus/pmbus.h
> +++ b/drivers/hwmon/pmbus/pmbus.h
> @@ -461,4 +461,6 @@ int pmbus_get_fan_rate_cached(struct i2c_client *client,
> int page, int id,
> enum pmbus_fan_mode mode);
> int pmbus_update_fan(struct i2c_client *client, int page, int id,
> u8 config, u8 mask, u16 command);
> +struct dentry *pmbus_get_debugfs_dir(struct i2c_client *client);
> +
> #endif /* PMBUS_H */
> diff --git a/drivers/hwmon/pmbus/pmbus_core.c
> b/drivers/hwmon/pmbus/pmbus_core.c
> index 99ab39f..9abd382 100644
> --- a/drivers/hwmon/pmbus/pmbus_core.c
> +++ b/drivers/hwmon/pmbus/pmbus_core.c
> @@ -2381,6 +2381,13 @@ int pmbus_do_remove(struct i2c_client *client)
> }
> EXPORT_SYMBOL_GPL(pmbus_do_remove);
>
> +struct dentry *pmbus_get_debugfs_dir(struct i2c_client *client)
> +{
> + struct pmbus_data *data = i2c_get_clientdata(client);
> +
> + return data->debugfs;
> +}
EXPORT_SYMBOL_GPL(pmbus_get_debugfs_dir);
> +
> static int __init pmbus_core_init(void)
> {
> pmbus_debugfs_dir = debugfs_create_dir("pmbus", NULL);
> --
> 1.8.3.1
>
> --
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