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authorDave Jiang <dave.jiang@intel.com>2016-07-20 22:12:47 +0200
committerVinod Koul <vinod.koul@intel.com>2016-08-08 04:41:41 +0200
commit5ade6683e916df6a00a9747ccc40191fff83a064 (patch)
tree0f1fbbf16e4573ac05884c8fc790e0d28b6fe145 /drivers/dma/qcom/hidma.c
parentdmaengine: ppc4xx_adma: convert callback to helper function (diff)
downloadlinux-5ade6683e916df6a00a9747ccc40191fff83a064.tar.xz
linux-5ade6683e916df6a00a9747ccc40191fff83a064.zip
dmaengine: qcom_hidma: 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> Acked-by: Sinan Kaya <okaya@codeaurora.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/qcom/hidma.c')
-rw-r--r--drivers/dma/qcom/hidma.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index b2374cd91e45..1197fbf8f30e 100644
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -132,8 +132,8 @@ static void hidma_process_completed(struct hidma_chan *mchan)
spin_unlock_irqrestore(&mchan->lock, irqflags);
llstat = hidma_ll_status(mdma->lldev, mdesc->tre_ch);
- if (desc->callback && (llstat == DMA_COMPLETE))
- desc->callback(desc->callback_param);
+ if (llstat == DMA_COMPLETE)
+ dmaengine_desc_get_callback_invoke(desc, NULL);
last_cookie = desc->cookie;
dma_run_dependencies(desc);
@@ -413,14 +413,9 @@ static int hidma_terminate_channel(struct dma_chan *chan)
/* return all user requests */
list_for_each_entry_safe(mdesc, tmp, &list, node) {
struct dma_async_tx_descriptor *txd = &mdesc->desc;
- dma_async_tx_callback callback = mdesc->desc.callback;
- void *param = mdesc->desc.callback_param;
dma_descriptor_unmap(txd);
-
- if (callback)
- callback(param);
-
+ dmaengine_desc_get_callback_invoke(txd, NULL);
dma_run_dependencies(txd);
/* move myself to free_list */