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path: root/drivers/tty/serial/8250/Kconfig
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-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 6f7f2d753def..c35070356528 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -108,6 +108,7 @@ config SERIAL_8250_PCI
tristate "8250/16550 PCI device support" if EXPERT
depends on SERIAL_8250 && PCI
default SERIAL_8250
+ select RATIONAL
help
This builds standard PCI serial support. You may be able to
disable this feature if you only need legacy serial support.