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authorJakub Kicinski <kuba@kernel.org>2021-01-29 19:40:25 -0800
committerJakub Kicinski <kuba@kernel.org>2021-01-29 19:40:52 -0800
commit2bca263cdab1a3e0fce54bc2bdf1885c0cfe3195 (patch)
treeb333acd701d625c0d653ab54feac84f1f0851614 /include/linux
parent5daf83846cdb67a3ef0c17f9826738567598ed19 (diff)
parent87baa23e0236bc1c41ce744f524bf12dbe7fde66 (diff)
Merge branch 'mhi-net-immutable' of https://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi
Needed by mhi-net patches. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mhi.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index 562862ff819c..ece53a252217 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -599,6 +599,15 @@ void mhi_set_mhi_state(struct mhi_controller *mhi_cntrl,
void mhi_notify(struct mhi_device *mhi_dev, enum mhi_callback cb_reason);
/**
+ * mhi_get_free_desc_count - Get transfer ring length
+ * Get # of TD available to queue buffers
+ * @mhi_dev: Device associated with the channels
+ * @dir: Direction of the channel
+ */
+int mhi_get_free_desc_count(struct mhi_device *mhi_dev,
+ enum dma_data_direction dir);
+
+/**
* mhi_prepare_for_power_up - Do pre-initialization before power up.
* This is optional, call this before power up if
* the controller does not want bus framework to