commit 32aa6339d9c5156de5d881b103e0e360934d6a74
author Jakub Kicinski <kubakici@wp.pl> Wed Jul 01 14:19:52 2015 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Thu Jul 23 15:32:32 2015 -0700
tree 1020d9427dcf1e2a75fdf5f0c9e5b2b181efcb5f
parent d8c2c0d89205a3538c5fd77dc9d4767ee6bebc70

sc16is7xx: fix Kconfig dependencies

When I2C=m and SPI=y or-ing them will produce =y while
what we need is the lower bound, i.e. =m.  Fortunately
SPI is a boolean so we need to handle only one special
case.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/Kconfig

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 76e65b7..15b4079 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1185,7 +1185,7 @@
 config SERIAL_SC16IS7XX
         tristate "SC16IS7xx serial support"
         select SERIAL_CORE
-        depends on I2C || SPI_MASTER
+        depends on (SPI_MASTER && !I2C) || I2C
         help
           This selects support for SC16IS7xx serial ports.
           Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752,