diff options
Diffstat (limited to 'drivers/dma/xilinx/xilinx_dma.c')
| -rw-r--r-- | drivers/dma/xilinx/xilinx_dma.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 6f1539cad1eed..2281af30beeb3 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -125,7 +125,9 @@ #define XILINX_VDMA_ENABLE_VERTICAL_FLIP BIT(0) /* HW specific definitions */ -#define XILINX_DMA_MAX_CHANS_PER_DEVICE 0x20 +#define XILINX_MCDMA_MAX_CHANS_PER_DEVICE 0x20 +#define XILINX_DMA_MAX_CHANS_PER_DEVICE 0x2 +#define XILINX_CDMA_MAX_CHANS_PER_DEVICE 0x1 #define XILINX_DMA_DMAXR_ALL_IRQ_MASK \ (XILINX_DMA_DMASR_FRM_CNT_IRQ | \ @@ -468,6 +470,7 @@ struct xilinx_dma_config { struct clk **tx_clk, struct clk **txs_clk, struct clk **rx_clk, struct clk **rxs_clk); irqreturn_t (*irq_handler)(int irq, void *data); + const int max_channels; }; /** @@ -2939,23 +2942,27 @@ static const struct xilinx_dma_config axidma_config = { .dmatype = XDMA_TYPE_AXIDMA, .clk_init = axidma_clk_init, .irq_handler = xilinx_dma_irq_handler, + .max_channels = XILINX_DMA_MAX_CHANS_PER_DEVICE, }; static const struct xilinx_dma_config aximcdma_config = { .dmatype = XDMA_TYPE_AXIMCDMA, .clk_init = axidma_clk_init, .irq_handler = xilinx_mcdma_irq_handler, + .max_channels = XILINX_MCDMA_MAX_CHANS_PER_DEVICE, }; static const struct xilinx_dma_config axicdma_config = { .dmatype = XDMA_TYPE_CDMA, .clk_init = axicdma_clk_init, .irq_handler = xilinx_dma_irq_handler, + .max_channels = XILINX_CDMA_MAX_CHANS_PER_DEVICE, }; static const struct xilinx_dma_config axivdma_config = { .dmatype = XDMA_TYPE_VDMA, .clk_init = axivdma_clk_init, .irq_handler = xilinx_dma_irq_handler, + .max_channels = XILINX_DMA_MAX_CHANS_PER_DEVICE, }; static const struct of_device_id xilinx_dma_of_ids[] = { |