[1/2] hwmon: (pmbus): Export pmbus device debugfs directory entry
diff mbox series

Message ID 1512676238-8020-2-git-send-email-eajames@linux.vnet.ibm.com
State New, archived
Headers show
Series
  • hwmon (pmbus): cffps: Add debugfs entries
Related show

Commit Message

Eddie James Dec. 7, 2017, 7:50 p.m. UTC
From: "Edward A. James" <eajames@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 <eajames@us.ibm.com>
---
 drivers/hwmon/pmbus/pmbus.h      | 2 ++
 drivers/hwmon/pmbus/pmbus_core.c | 7 +++++++
 2 files changed, 9 insertions(+)

Comments

Guenter Roeck Dec. 7, 2017, 8:42 p.m. UTC | #1
On Thu, Dec 07, 2017 at 01:50:37PM -0600, Eddie James wrote:
> From: "Edward A. James" <eajames@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 <eajames@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
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-hwmon" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

Patch
diff mbox series

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;
+}
+
 static int __init pmbus_core_init(void)
 {
 	pmbus_debugfs_dir = debugfs_create_dir("pmbus", NULL);