tty/serial: add generic serial earlycon

[firefly-linux-kernel-4.4.55.git] / drivers / tty / serial / Kconfig

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 7e7006fd404e62000b19b728274c0abf8a51bf38..1ad9aadc00552108f9e2d9b79e65458df9838923 100644 (file)
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -7,6 +7,13 @@ if TTY
 menu "Serial drivers"
        depends on HAS_IOMEM && GENERIC_HARDIRQS
 
+config SERIAL_EARLYCON
+       bool
+       help
+         Support for early consoles with the earlycon parameter. This enables
+         the console before standard serial driver is probed. The console is
+         enabled when early_param is processed.
+
 source "drivers/tty/serial/8250/Kconfig"
 
 comment "Non-8250 serial port support"