aboutsummaryrefslogtreecommitdiff
path: root/drivers/dma/dmaengine.h
diff options
context:
space:
mode:
authorJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
committerJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
commitc9f289701540baeef9ac7c9977d67a7259f404db (patch)
treeac3c29d41da02ac735c9a12da78905842fbccd2f /drivers/dma/dmaengine.h
parent0aac6f9aaae5fba08963651d2ce49930145e118f (diff)
parent910a7e89cec65efad254c947ce2bf8bf5b370962 (diff)
Merge branch 'for-5.7/appleir' into for-linus
- small code cleanups in hid-appleir from Lucas Tanure
Diffstat (limited to 'drivers/dma/dmaengine.h')
-rw-r--r--drivers/dma/dmaengine.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/dma/dmaengine.h b/drivers/dma/dmaengine.h
index 501c0b063f85..e8a320c9e57c 100644
--- a/drivers/dma/dmaengine.h
+++ b/drivers/dma/dmaengine.h
@@ -77,6 +77,7 @@ static inline enum dma_status dma_cookie_status(struct dma_chan *chan,
state->last = complete;
state->used = used;
state->residue = 0;
+ state->in_flight_bytes = 0;
}
return dma_async_is_complete(cookie, complete, used);
}
@@ -87,6 +88,13 @@ static inline void dma_set_residue(struct dma_tx_state *state, u32 residue)
state->residue = residue;
}
+static inline void dma_set_in_flight_bytes(struct dma_tx_state *state,
+ u32 in_flight_bytes)
+{
+ if (state)
+ state->in_flight_bytes = in_flight_bytes;
+}
+
struct dmaengine_desc_callback {
dma_async_tx_callback callback;
dma_async_tx_callback_result callback_result;
@@ -171,4 +179,7 @@ dmaengine_desc_callback_valid(struct dmaengine_desc_callback *cb)
return (cb->callback) ? true : false;
}
+struct dma_chan *dma_get_slave_channel(struct dma_chan *chan);
+struct dma_chan *dma_get_any_slave_channel(struct dma_device *device);
+
#endif