tty: serial: sh-sci: Hide number of ports config question

Auto-configure the maximum number of serial ports based on how many can
be present on the architecture:
  - 3 on H8/300,
  - 10 on SuperH,
  - 18 on Reneas ARM.

The default can still be overridden if CONFIG_EXPERT is enabled.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index b788fee54249deff289fe1512e5b87b5b306e51e..bd96046d7f94bac00a3b4c48d691763a02e22a72 100644 (file)
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -761,9 +761,11 @@ config SERIAL_SH_SCI
        select SERIAL_MCTRL_GPIO if GPIOLIB
 
 config SERIAL_SH_SCI_NR_UARTS
-       int "Maximum number of SCI(F) serial ports"
+       int "Maximum number of SCI(F) serial ports" if EXPERT
        depends on SERIAL_SH_SCI
-       default "2"
+       default "3" if H8300
+       default "10" if SUPERH
+       default "18" if ARCH_RENESAS
 
 config SERIAL_SH_SCI_CONSOLE
        bool "Support for console on SuperH SCI(F)"