The following commit introduced the debugfs : 40f099e32c2a06bad7d75683421e30fcc74924cd Author: Markus Pargmann <mpa@xxxxxxxxxxxxxx> Date: Fri Jan 17 10:22:35 2014 +0100 usb: musb: dsps, debugfs files Unfortunately, a forgotten call to a cleanup function prevents the probing of musb in case of deferred probe. Because musb_init_controller() often retries and creates a new debugfs directory each time it is called, we need to remove that directory in case the initialization fails. Otherwise, the debugfs_create_dir() fails at subsequent calls because the directory already exists. Fixed by calling debugfs_remove_recursive() in the exit function. Signed-off-by: Olivier Gayot <ogayot@xxxxxxxxxxxx> Cc: Markus Pargmann <mpa@xxxxxxxxxxxxxx> --- drivers/usb/musb/musb_dsps.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 3372ded..c3de0a5 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -471,6 +471,8 @@ static int dsps_musb_exit(struct musb *musb) del_timer_sync(&glue->timer); + debugfs_remove_recursive(glue->dbgfs_root); + usb_phy_shutdown(musb->xceiv); return 0; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html