[PATCH 3/3] serial: SERIAL_MXS_AUART should depend on HAS_DMA

[Geert Uytterhoeven]

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@xxxxxxxxxxxxxx>
---
 drivers/tty/serial/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 67b6d8d47d776b7b..29040e88bd6898a3 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
-- 
1.9.1

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