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usb: typec: fusb302: Use usb_debug_root as root for our debugfs entry 

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@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20190817184340.64086-2-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede 2019-08-17 20:43:39 +02:00 committed by Greg Kroah-Hartman
parent 9f4bc2ed74
commit b7cd6f64ff
1 changed files with 5 additions and 8 deletions
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13
drivers/usb/typec/tcpm/fusb302.c
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@ -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