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;