device_window 711 drivers/tty/serial/8250/8250_pci.c u32 device_window; device_window 729 drivers/tty/serial/8250/8250_pci.c device_window = ((region.start + MITE_IOWBSR1_WIN_OFFSET) & 0xffffff00) device_window 731 drivers/tty/serial/8250/8250_pci.c writel(device_window, p + MITE_IOWBSR1);