This will make sure that multiple serial port cards can be used out of the box. Otherwise the user must pass nr_uarts parameter, that will be often forgotten and increases support requests for serial card vendors. Signed-off-by: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx> Index: b/drivers/serial/Kconfig =================================================================== --- a/drivers/serial/Kconfig 2010-11-10 03:53:21.000000000 +0100 +++ b/drivers/serial/Kconfig 2010-11-10 14:32:54.000000000 +0100 @@ -119,7 +119,7 @@ config SERIAL_8250_NR_UARTS int "Maximum number of 8250/16550 serial ports" depends on SERIAL_8250 - default "4" + default "32" help Set this to the number of serial ports you want the driver to support. This includes any ports discovered via ACPI or @@ -130,7 +130,7 @@ int "Number of 8250/16550 serial ports to register at runtime" depends on SERIAL_8250 range 0 SERIAL_8250_NR_UARTS - default "4" + default "32" help Set this to the maximum number of serial ports you want the kernel to register at boot time. This can be overridden -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html