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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2012-07-30 21:28:27 +0200
committerPaul Mundt <lethal@linux-sh.org>2012-08-01 13:48:52 +0900
commit4f46f8ac80416b0e8fd3aba6a0d842205fb29140 (patch)
tree1913a661d292e74ea13e2e1af38b21ef6e5fb1bc /include/linux/shdma-base.h
parentac694dbdbc403c00e2c14d10bc7b8412cc378259 (diff)
downloadop-kernel-dev-4f46f8ac80416b0e8fd3aba6a0d842205fb29140.zip
op-kernel-dev-4f46f8ac80416b0e8fd3aba6a0d842205fb29140.tar.gz
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>
Diffstat (limited to 'include/linux/shdma-base.h')
-rw-r--r--include/linux/shdma-base.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h
index 93f9821..a3728bf 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 {
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