The Intel MID support got split out from the PCI 8250 driver,
and that now causes a build error when no other driver selects
CONFIG_RATIONAL:
drivers/built-in.o: In function `mid8250_set_termios':
(.text+0x77418): undefined reference to `rational_best_approximation'
This adds an explicit 'select' like the combined driver had before.
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Fixes: d9eda9bab237 ("serial: 8250_pci: Intel MID UART support to its own driver")
Cc: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index e6f5e12a2d83..6412f1455beb 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -373,6 +373,7 @@ config SERIAL_8250_MID
depends on SERIAL_8250 && PCI
select HSU_DMA if SERIAL_8250_DMA
select HSU_DMA_PCI if X86_INTEL_MID
+ select RATIONAL
help
Selecting this option will enable handling of the extra features
present on the UART found on Intel Medfield SOC and various other
--
2.1.0.rc2
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