serial: SERIAL_MXS_AUART should depend on HAS_DMA

If NO_DMA=y:

    ERROR: "dma_unmap_sg" [drivers/tty/serial/mxs-auart.ko] undefined!
    ERROR: "dma_map_sg" [drivers/tty/serial/mxs-auart.ko] undefined!

Add a dependency on HAS_DMA to fix this.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 1ec4764f9b05..f0bbedf61cae 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1411,8 +1411,9 @@ config SERIAL_PCH_UART_CONSOLE
           warnings and which allows logins in single user mode).
 
 config SERIAL_MXS_AUART
-        depends on ARCH_MXS || COMPILE_TEST
         tristate "MXS AUART support"
+        depends on HAS_DMA
+        depends on ARCH_MXS || COMPILE_TEST
         select SERIAL_CORE
         select SERIAL_MCTRL_GPIO if GPIOLIB
         help