diff options
Diffstat (limited to 'drivers/dma/dw_dmac_regs.h')
| -rw-r--r-- | drivers/dma/dw_dmac_regs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dma/dw_dmac_regs.h b/drivers/dma/dw_dmac_regs.h index 06f03914f02..ff39fa6cd2b 100644 --- a/drivers/dma/dw_dmac_regs.h +++ b/drivers/dma/dw_dmac_regs.h @@ -172,6 +172,7 @@ struct dw_dma_regs { enum dw_dmac_flags { DW_DMA_IS_CYCLIC = 0, + DW_DMA_IS_SOFT_LLP = 1, }; struct dw_dma_chan { @@ -182,6 +183,10 @@ struct dw_dma_chan { bool paused; bool initialized; + /* software emulation of the LLP transfers */ + struct list_head *tx_list; + struct list_head *tx_node_active; + spinlock_t lock; /* these other elements are all protected by lock */ @@ -195,6 +200,7 @@ struct dw_dma_chan { /* hardware configuration */ unsigned int block_size; + bool nollp; /* configuration passed via DMA_SLAVE_CONFIG */ struct dma_slave_config dma_sconfig; |