The pch_uart driver is for a companion chip to the Intel Atom E600 series processors. These are 32-bit x86 processors so the driver is only needed on X86_32. Add COMPILE_TEST as an alternative, so that the driver can still be build-tested elsewhere. Signed-off-by: Jean Delvare <jdelvare@xxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Jiri Slaby <jslaby@xxxxxxx> --- drivers/tty/serial/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-3.15-rc5.orig/drivers/tty/serial/Kconfig 2014-04-22 14:43:58.025637639 +0200 +++ linux-3.15-rc5/drivers/tty/serial/Kconfig 2014-05-16 10:41:03.629069889 +0200 @@ -1323,7 +1323,7 @@ config SERIAL_IFX6X60 config SERIAL_PCH_UART tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" - depends on PCI + depends on PCI && (X86_32 || COMPILE_TEST) select SERIAL_CORE help This driver is for PCH(Platform controller Hub) UART of Intel EG20T -- Jean Delvare SUSE L3 Support -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html