mmc: add DMA support to tmio_mmc driver, when used on SuperH
SDHI controllers on SuperH, served by the tmio_mmc driver, can use slave DMA
for data transfer. This patch adds support for the dmaengine API to the
tmio_mmc driver.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index de3e74c..3c6a986 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -49,6 +49,7 @@
bool "Support for SuperH Mobile SDHI"
depends on SUPERH || ARCH_SHMOBILE
select MFD_CORE
+ select TMIO_MMC_DMA
---help---
This driver supports the SDHI hardware block found in many
SuperH Mobile SoCs.
@@ -162,6 +163,11 @@
bool
default n
+config TMIO_MMC_DMA
+ bool
+ select DMA_ENGINE
+ select DMADEVICES
+
config MFD_T7L66XB
bool "Support Toshiba T7L66XB"
depends on ARM && HAVE_CLK