commit f8032cb4f574c0de5ac1d65d61e972957e6f1631
author Geert Uytterhoeven <geert@linux-m68k.org> Mon Nov 09 10:31:15 2015 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Sun Dec 13 19:59:48 2015 -0800
tree af16af2ce59a0574d705dcd1034785b4fcded79d
parent 55fe84b17a8f9c7a3cdfbfefdb519311aa6ff1da

serial: SERIAL_IMX_AUART should depend on HAS_DMA

If NO_DMA=y:

    ERROR: "dma_unmap_sg" [drivers/tty/serial/imx.ko] undefined!
    ERROR: "dma_map_sg" [drivers/tty/serial/imx.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>

drivers/tty/serial/Kconfig

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index a1003ea..1ec4764 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -572,6 +572,7 @@
 
 config SERIAL_IMX
 	tristate "IMX serial port support"
+	depends on HAS_DMA
 	depends on ARCH_MXC || COMPILE_TEST
 	select SERIAL_CORE
 	select RATIONAL