diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2016-07-20 23:13:22 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-08-08 05:41:41 +0300 |
| commit | a06a5bb908248cdc4f696ae5b6334e3b2e150fbc (patch) | |
| tree | b32c2e99885a9f06dba033c430799b555fd434d2 /drivers/dma/timb_dma.c | |
| parent | 370c0446af5e3c8ddefbb753a1df84c278fff6d0 (diff) | |
| download | linux-a06a5bb908248cdc4f696ae5b6334e3b2e150fbc.tar.xz | |
dmaengine: timb_dma: convert callback to helper function
This is in preperation of moving to a callback that provides results to the
callback for the transaction. The conversion will maintain current behavior
and the driver must convert to new callback mechanism at a later time in
order to receive results.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/timb_dma.c')
| -rw-r--r-- | drivers/dma/timb_dma.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c index e82745aa42a8..896bafb7a532 100644 --- a/drivers/dma/timb_dma.c +++ b/drivers/dma/timb_dma.c @@ -226,8 +226,7 @@ static void __td_start_dma(struct timb_dma_chan *td_chan) static void __td_finish(struct timb_dma_chan *td_chan) { - dma_async_tx_callback callback; - void *param; + struct dmaengine_desc_callback cb; struct dma_async_tx_descriptor *txd; struct timb_dma_desc *td_desc; @@ -252,8 +251,7 @@ static void __td_finish(struct timb_dma_chan *td_chan) dma_cookie_complete(txd); td_chan->ongoing = false; - callback = txd->callback; - param = txd->callback_param; + dmaengine_desc_get_callback(txd, &cb); list_move(&td_desc->desc_node, &td_chan->free_list); @@ -262,8 +260,7 @@ static void __td_finish(struct timb_dma_chan *td_chan) * The API requires that no submissions are done from a * callback, so we don't need to drop the lock here */ - if (callback) - callback(param); + dmaengine_desc_callback_invoke(&cb, NULL); } static u32 __td_ier_mask(struct timb_dma *td) |