summaryrefslogtreecommitdiff
path: root/include/linux/dmaengine.h
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2018-08-28 19:03:57 +0100
committerMark Brown <broonie@kernel.org>2018-08-28 19:03:57 +0100
commit6e2d6b2728fcb408eabd7991804f8cb33ff59f20 (patch)
tree18dc3fc5bd55fa9ff92430e4ab8353de6c5c0e55 /include/linux/dmaengine.h
parent6f0a256253f48095ba2e5bcdfbed41f21643c105 (diff)
parent5b394b2ddf0347bef56e50c69a58773c94343ff3 (diff)
Merge tag 'v4.19-rc1' into asoc-4.19
Linux 4.19-rc1
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r--include/linux/dmaengine.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 861be5cab1df..d49ec5c31944 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -415,7 +415,9 @@ enum dma_residue_granularity {
* each type, the dma controller should set BIT(<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_pause: true, if pause is supported (i.e. for reading residue or
+ * for resume later)
+ * @cmd_resume: true, if resume is supported
* @cmd_terminate: true, if terminate cmd is supported
* @residue_granularity: granularity of the reported transfer residue
* @descriptor_reuse: if a descriptor can be reused by client and
@@ -427,6 +429,7 @@ struct dma_slave_caps {
u32 directions;
u32 max_burst;
bool cmd_pause;
+ bool cmd_resume;
bool cmd_terminate;
enum dma_residue_granularity residue_granularity;
bool descriptor_reuse;
@@ -1403,6 +1406,7 @@ static inline int dmaengine_desc_free(struct dma_async_tx_descriptor *desc)
/* --- DMA device --- */
int dma_async_device_register(struct dma_device *device);
+int dmaenginem_async_device_register(struct dma_device *device);
void dma_async_device_unregister(struct dma_device *device);
void dma_run_dependencies(struct dma_async_tx_descriptor *tx);
struct dma_chan *dma_get_slave_channel(struct dma_chan *chan);