dmaengine: shdma: restore partial transfer calculation

The recent shdma driver split has mistakenly removed support for partial
DMA transfer size calculation on forced termination. This patch restores
it.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h
index 93f9821554b6..a3728bf66f0e 100644
--- a/include/linux/shdma-base.h
+++ b/include/linux/shdma-base.h
@@ -50,6 +50,7 @@ struct shdma_desc {
         struct list_head node;
         struct dma_async_tx_descriptor async_tx;
         enum dma_transfer_direction direction;
+        size_t partial;
         dma_cookie_t cookie;
         int chunks;
         int mark;
@@ -98,6 +99,7 @@ struct shdma_ops {
         void (*start_xfer)(struct shdma_chan *, struct shdma_desc *);
         struct shdma_desc *(*embedded_desc)(void *, int);
         bool (*chan_irq)(struct shdma_chan *, int);
+        size_t (*get_partial)(struct shdma_chan *, struct shdma_desc *);
 };
 
 struct shdma_dev {