unsigned int cmd, unsigned long arg)
{
struct hso_serial *serial = get_serial_by_tty(tty);
unsigned int cmd, unsigned long arg)
{
struct hso_serial *serial = get_serial_by_tty(tty);
int ret = 0;
D4("IOCTL cmd: %d, arg: %ld", cmd, arg);
int ret = 0;
D4("IOCTL cmd: %d, arg: %ld", cmd, arg);