diff options
Diffstat (limited to 'include/linux/platform_data/dma-dw.h')
| -rw-r--r-- | include/linux/platform_data/dma-dw.h | 5 |
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 */ |