dma: shdma: convert to the shdma base library

The shdma base library has originally been extracted from the shdma driver,
which now can be converted to actually use it.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

1 files changed, 10 insertions, 23 deletions

diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h
index e081e8e8d109..7c8ca41e60e6 100644
--- a/include/linux/sh_dma.h
+++ b/include/linux/sh_dma.h
@@ -13,34 +13,21 @@
 #include <linux/dmaengine.h>
 #include <linux/list.h>
 #include <linux/shdma-base.h>
+#include <linux/types.h>
+
+struct device;
 
 /* Used by slave DMA clients to request DMA to/from a specific peripheral */
 struct sh_dmae_slave {
-        union {
-                unsigned int            slave_id; /* Set by the platform */
-                struct shdma_slave      shdma_slave;
-        };
-        struct device                   *dma_dev; /* Set by the platform */
-        const struct sh_dmae_slave_config       *config;  /* Set by the driver */
-};
-
-struct sh_dmae_regs {
-        u32 sar; /* SAR / source address */
-        u32 dar; /* DAR / destination address */
-        u32 tcr; /* TCR / transfer count */
-};
-
-struct sh_desc {
-        struct sh_dmae_regs hw;
-        struct list_head node;
-        struct dma_async_tx_descriptor async_tx;
-        enum dma_transfer_direction direction;
-        dma_cookie_t cookie;
-        size_t partial;
-        int chunks;
-        int mark;
+        struct shdma_slave              shdma_slave;    /* Set by the platform */
+        struct device                   *dma_dev;       /* Set by the platform */
+        const struct sh_dmae_slave_config *config;      /* Set by the driver */
 };
 
+/*
+ * Supplied by platforms to specify, how a DMA channel has to be configured for
+ * a certain peripheral
+ */
 struct sh_dmae_slave_config {
         unsigned int                    slave_id;
         dma_addr_t                      addr;