From: Josh Triplett <j...@joshtriplett.org> commit 15a3f03d5ec0118f1e5db3fc1018686e72744e37 upstream.
Some embedded devices still use these serial ports; make sure they're still enabled by default on architectures more likely to have them, to avoid rendering someone's console unavailable. Reported-by: Vladimir Oltean <vladimir.olt...@nxp.com> Reported-by: Maxim Kochetkov <fido_...@inbox.ru> Fixes: dc56ecb81a0a ("serial: 8250: Support disabling mdelay-filled probes of 16550A variants") Cc: stable <sta...@vger.kernel.org> Signed-off-by: Josh Triplett <j...@joshtriplett.org> Link: https://lore.kernel.org/r/a20b5fb7dd295cfb48160eecf4bdebd76332d67d.1590509426.git.j...@joshtriplett.org Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/tty/serial/8250/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -63,6 +63,7 @@ config SERIAL_8250_PNP config SERIAL_8250_16550A_VARIANTS bool "Support for variants of the 16550A serial port" depends on SERIAL_8250 + default !X86 help The 8250 driver can probe for many variants of the venerable 16550A serial port. Doing so takes additional time at boot.