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authorJosh Triplett <josh@joshtriplett.org>2020-05-26 09:13:57 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-27 10:55:36 +0200
commit15a3f03d5ec0118f1e5db3fc1018686e72744e37 (patch)
tree075c2463abe1d24d4a9996a6c1dbd4a019d2e1c9 /drivers/tty
parent24eb2377f977fe06d84fca558f891f95bc28a449 (diff)
serial: 8250: Enable 16550A variants by default on non-x86
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.1590509426.git.josh@joshtriplett.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/8250/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index af0688156dd0..8195a31519ea 100644
--- 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.