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authorVinod Koul <vinod.koul@intel.com>2014-12-05 20:49:07 +0530
committerVinod Koul <vinod.koul@intel.com>2014-12-05 20:55:27 +0530
commitaba96bada40d19a0afbc3bfcb3a47e29e23df7ea (patch)
tree269a8ef6384c95c38b12cbaf76fa12ea7803b877 /include/linux/dmaengine.h
parent939b6ef378bfb6fd9cff61a1f3afa17e84ea0884 (diff)
dmaengine: clarify the issue_pending expectations
Although Documentation explicitly mentions the expectations, the comment in header can be lead to different expectation so clear up the confusion Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r--include/linux/dmaengine.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 653a1fd07ae8..40cd75e21ea2 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -447,7 +447,8 @@ struct dmaengine_unmap_data {
* communicate status
* @phys: physical address of the descriptor
* @chan: target channel for this operation
- * @tx_submit: set the prepared descriptor(s) to be executed by the engine
+ * @tx_submit: accept the descriptor, assign ordered cookie and mark the
+ * descriptor pending. To be pushed on .issue_pending() call
* @callback: routine to call after this operation is complete
* @callback_param: general parameter to pass to the callback routine
* ---async_tx api specific fields---