diff options
Diffstat (limited to 'include/linux/dma')
| -rw-r--r-- | include/linux/dma/edma.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/dma/edma.h b/include/linux/dma/edma.h index fdbbeda170a9..7d8062e9c544 100644 --- a/include/linux/dma/edma.h +++ b/include/linux/dma/edma.h @@ -34,11 +34,20 @@ enum dw_edma_map_format { }; /** + * enum dw_edma_chip_flags - Flags specific to an eDMA chip + * @DW_EDMA_CHIP_LOCAL: eDMA is used locally by an endpoint + */ +enum dw_edma_chip_flags { + DW_EDMA_CHIP_LOCAL = BIT(0), +}; + +/** * struct dw_edma_chip - representation of DesignWare eDMA controller hardware * @dev: struct device of the eDMA controller * @id: instance ID * @nr_irqs: total number of DMA IRQs * @ops DMA channel to IRQ number mapping + * @flags dw_edma_chip_flags * @reg_base DMA register base address * @ll_wr_cnt DMA write link list count * @ll_rd_cnt DMA read link list count @@ -55,6 +64,7 @@ struct dw_edma_chip { int id; int nr_irqs; const struct dw_edma_core_ops *ops; + u32 flags; void __iomem *reg_base; |