brcmf_debugfs_get_devdir
debugfs_create_file("reset", 0600, brcmf_debugfs_get_devdir(drvr), drvr,
struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr);
struct dentry *dentry = brcmf_debugfs_get_devdir(drvr);
struct dentry *dentry = brcmf_debugfs_get_devdir(drvr);