The I2C core now manages a debugfs dir per i2c_client. PMBus has its own
debugfs hierarchy. Link the two, so a user will be pointed to the pmbus
domain from the i2c domain.
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
@Guenter: I don't have any PMBus device here. Would you be interested to
test this patch? It build tests fine at least.
drivers/hwmon/pmbus/pmbus_core.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 787683e83db6..510b88aed326 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -3517,6 +3517,7 @@ static int pmbus_init_debugfs(struct i2c_client *client,
int i, idx = 0;
char name[PMBUS_NAME_SIZE];
struct pmbus_debugfs_entry *entries;
+ const char *symlink, *hwmon_name = dev_name(data->hwmon_dev);
if (!pmbus_debugfs_dir)
return -ENODEV;
@@ -3525,13 +3526,19 @@ static int pmbus_init_debugfs(struct i2c_client *client,
* Create the debugfs directory for this device. Use the hwmon device
* name to avoid conflicts (hwmon numbers are globally unique).
*/
- data->debugfs = debugfs_create_dir(dev_name(data->hwmon_dev),
- pmbus_debugfs_dir);
+ data->debugfs = debugfs_create_dir(hwmon_name, pmbus_debugfs_dir);
if (IS_ERR_OR_NULL(data->debugfs)) {
data->debugfs = NULL;
return -ENODEV;
}
+ /* The default i2c_client debugfs dir should link to where the data is */
+ symlink = kasprintf(GFP_KERNEL, "../../pmbus/%s", hwmon_name);
+ if (!symlink)
+ return -ENOMEM;
+ debugfs_create_symlink(hwmon_name, client->debugfs, symlink);
+ kfree(symlink);
+
/*
* Allocate the max possible entries we need.
* 7 entries device-specific
--
2.39.2
