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Diffstat (limited to 'include/linux/platform_data/dma-dw.h')
-rw-r--r--include/linux/platform_data/dma-dw.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h
index 5f0e11e7354c..e69e415d0d98 100644
--- a/include/linux/platform_data/dma-dw.h
+++ b/include/linux/platform_data/dma-dw.h
@@ -14,6 +14,7 @@
#include <linux/device.h>
#define DW_DMA_MAX_NR_MASTERS 4
+#define DW_DMA_MAX_NR_CHANNELS 8
/**
* struct dw_dma_slave - Controller-specific information about a slave
@@ -40,19 +41,18 @@ struct dw_dma_slave {
* @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.
- * @is_nollp: The device channels does not support multi block 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
* @nr_masters: Number of AHB masters supported by the controller
* @data_width: Maximum data width supported by hardware per AHB master
* (in bytes, power of 2)
+ * @multi_block: Multi block transfers supported by hardware per channel.
*/
struct dw_dma_platform_data {
unsigned int nr_channels;
bool is_private;
bool is_memcpy;
- bool is_nollp;
#define CHAN_ALLOCATION_ASCENDING 0 /* zero to seven */
#define CHAN_ALLOCATION_DESCENDING 1 /* seven to zero */
unsigned char chan_allocation_order;
@@ -62,6 +62,7 @@ struct dw_dma_platform_data {
unsigned int block_size;
unsigned char nr_masters;
unsigned char data_width[DW_DMA_MAX_NR_MASTERS];
+ unsigned char multi_block[DW_DMA_MAX_NR_CHANNELS];
};
#endif /* _PLATFORM_DATA_DMA_DW_H */