diff options
| -rw-r--r-- | drivers/dma/dmaengine.c | 1 | ||||
| -rw-r--r-- | include/linux/dmaengine.h | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index c50a247be2e0..0cb259c59916 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -496,6 +496,7 @@ int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps) caps->src_addr_widths = device->src_addr_widths; caps->dst_addr_widths = device->dst_addr_widths; caps->directions = device->directions; + caps->max_burst = device->max_burst; caps->residue_granularity = device->residue_granularity; caps->descriptor_reuse = device->descriptor_reuse; diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 16a1cad30c33..0a9a0ba1998b 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -401,6 +401,7 @@ enum dma_residue_granularity { * since the enum dma_transfer_direction is not defined as bits for each * type of direction, the dma controller should fill (1 << <TYPE>) and same * should be checked by controller as well + * @max_burst: max burst capability per-transfer * @cmd_pause: true, if pause and thereby resume is supported * @cmd_terminate: true, if terminate cmd is supported * @residue_granularity: granularity of the reported transfer residue @@ -411,6 +412,7 @@ struct dma_slave_caps { u32 src_addr_widths; u32 dst_addr_widths; u32 directions; + u32 max_burst; bool cmd_pause; bool cmd_terminate; enum dma_residue_granularity residue_granularity; @@ -654,6 +656,7 @@ struct dma_filter { * the enum dma_transfer_direction is not defined as bits for * each type of direction, the dma controller should fill (1 << * <TYPE>) and same should be checked by controller as well + * @max_burst: max burst capability per-transfer * @residue_granularity: granularity of the transfer residue reported * by tx_status * @device_alloc_chan_resources: allocate resources and return the @@ -712,6 +715,7 @@ struct dma_device { u32 src_addr_widths; u32 dst_addr_widths; u32 directions; + u32 max_burst; bool descriptor_reuse; enum dma_residue_granularity residue_granularity; |