From: Josh Triplett josh@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.oltean@nxp.com Reported-by: Maxim Kochetkov fido_max@inbox.ru Fixes: dc56ecb81a0a ("serial: 8250: Support disabling mdelay-filled probes of 16550A variants") Cc: stable stable@vger.kernel.org Signed-off-by: Josh Triplett josh@joshtriplett.org Link: https://lore.kernel.org/r/a20b5fb7dd295cfb48160eecf4bdebd76332d67d.159050942... Signed-off-by: Greg Kroah-Hartman gregkh@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.