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-rw-r--r--include/linux/platform_data/dma-dw.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h
index 87ac14c..03b6095 100644
--- a/include/linux/platform_data/dma-dw.h
+++ b/include/linux/platform_data/dma-dw.h
@@ -37,6 +37,7 @@ struct dw_dma_slave {
* @nr_channels: Number of channels supported by hardware (max 8)
* @is_private: The device channels should be marked as private and not for
* by the general purpose DMA channel allocator.
+ * @is_memcpy: The device channels do support memory-to-memory transfers.
* @chan_allocation_order: Allocate channels starting from 0 or 7
* @chan_priority: Set channel priority increasing from 0 to 7 or 7 to 0.
* @block_size: Maximum block size supported by the controller
@@ -47,6 +48,7 @@ struct dw_dma_slave {
struct dw_dma_platform_data {
unsigned int nr_channels;
bool is_private;
+ bool is_memcpy;
#define CHAN_ALLOCATION_ASCENDING 0 /* zero to seven */
#define CHAN_ALLOCATION_DESCENDING 1 /* seven to zero */
unsigned char chan_allocation_order;
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