Use usb_debug_root as root for our debugfs entry instead of creating our own subdirectory under the debugfs root. Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> --- Changes in v2: - Prefix debugfs entry filename with "fusb302-" --- drivers/usb/typec/tcpm/fusb302.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c index 93244d6c4bff..603ab87b466e 100644 --- a/drivers/usb/typec/tcpm/fusb302.c +++ b/drivers/usb/typec/tcpm/fusb302.c @@ -26,6 +26,7 @@ #include <linux/spinlock.h> #include <linux/string.h> #include <linux/types.h> +#include <linux/usb.h> #include <linux/usb/typec.h> #include <linux/usb/tcpm.h> #include <linux/usb/pd.h> @@ -206,23 +207,19 @@ static int fusb302_debug_show(struct seq_file *s, void *v) } DEFINE_SHOW_ATTRIBUTE(fusb302_debug); -static struct dentry *rootdir; - static void fusb302_debugfs_init(struct fusb302_chip *chip) { - mutex_init(&chip->logbuffer_lock); - if (!rootdir) - rootdir = debugfs_create_dir("fusb302", NULL); + char name[NAME_MAX]; - chip->dentry = debugfs_create_file(dev_name(chip->dev), - S_IFREG | 0444, rootdir, + mutex_init(&chip->logbuffer_lock); + snprintf(name, NAME_MAX, "fusb302-%s", dev_name(chip->dev)); + chip->dentry = debugfs_create_file(name, S_IFREG | 0444, usb_debug_root, chip, &fusb302_debug_fops); } static void fusb302_debugfs_exit(struct fusb302_chip *chip) { debugfs_remove(chip->dentry); - debugfs_remove(rootdir); } #else -- 2.23.0.rc2