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@xxxxxxxxx>
Cc: Laxman Dewangan <ldewangan@xxxxxxxxxx>
---
drivers/dma/tegra20-apb-dma.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 01e316f..3a4ba17 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -658,8 +658,7 @@ static void handle_cont_sngl_cycle_dma_done(struct tegra_dma_channel *tdc,
static void tegra_dma_tasklet(unsigned long data)
{
struct tegra_dma_channel *tdc = (struct tegra_dma_channel *)data;
- dma_async_tx_callback callback = NULL;
- void *callback_param = NULL;
+ struct dmaengine_desc_callback cb;
struct tegra_dma_desc *dma_desc;
unsigned long flags;
int cb_count;
@@ -669,13 +668,12 @@ static void tegra_dma_tasklet(unsigned long data)
dma_desc = list_first_entry(&tdc->cb_desc,
typeof(*dma_desc), cb_node);
list_del(&dma_desc->cb_node);
- callback = dma_desc->txd.callback;
- callback_param = dma_desc->txd.callback_param;
+ dmaengine_desc_get_callback(&dma_desc->txd, &cb);
cb_count = dma_desc->cb_count;
dma_desc->cb_count = 0;
spin_unlock_irqrestore(&tdc->lock, flags);
- while (cb_count-- && callback)
- callback(callback_param);
+ while (cb_count--)
+ dmaengine_desc_callback_invoke(&cb, NULL);
spin_lock_irqsave(&tdc->lock, flags);
}
spin_unlock_irqrestore(&tdc->lock, flags);
--
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