txstat_read_file  627 drivers/net/wireless/broadcom/b43/debugfs.c B43_DEBUGFS_FOPS(txstat, txstat_read_file, NULL);
txstat_read_file  330 drivers/net/wireless/broadcom/b43legacy/debugfs.c B43legacy_DEBUGFS_FOPS(txstat, txstat_read_file, NULL, 0);