mmc: spi: Pull out common DMA parts from MXS MMC

These parts will be used by the MXS SPI driver too.

Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/spi/mxs-spi.h b/include/linux/spi/mxs-spi.h
index d07f8dc7fdd9..61ae1306db23 100644
--- a/include/linux/spi/mxs-spi.h
+++ b/include/linux/spi/mxs-spi.h
@@ -24,6 +24,8 @@
 #ifndef __LINUX_SPI_MXS_SPI_H__
 #define __LINUX_SPI_MXS_SPI_H__
 
+#include <linux/fsl/mxs-dma.h>
+
 #define ssp_is_old(host)        ((host)->devid == IMX23_SSP)
 
 /* SSP registers */
@@ -134,6 +136,13 @@ struct mxs_ssp {
         struct clk                      *clk;
         unsigned int                    clk_rate;
         enum mxs_ssp_id                 devid;
+
+        int                             dma_channel;
+        struct dma_chan                 *dmach;
+        struct mxs_dma_data             dma_data;
+        unsigned int                    dma_dir;
+        enum dma_transfer_direction     slave_dirn;
+        u32                             ssp_pio_words[SSP_PIO_NUM];
 };
 
 void mxs_ssp_set_clk_rate(struct mxs_ssp *ssp, unsigned int rate);