diff options
| author |   Vinod Koul <vinod.koul@intel.com> | 2014-12-05 20:49:07 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2014-12-05 20:55:27 +0530 |
| commit | aba96bada40d19a0afbc3bfcb3a47e29e23df7ea (patch) | |
| tree | 269a8ef6384c95c38b12cbaf76fa12ea7803b877 /include/linux/dmaengine.h | |
| parent | Merge branch 'topic/at_xdmac' into for-linus (diff) | |
| download | linux-dev-aba96bada40d19a0afbc3bfcb3a47e29e23df7ea.tar.xz linux-dev-aba96bada40d19a0afbc3bfcb3a47e29e23df7ea.zip | |
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.h | 3 |
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--- |