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path: root/drivers/dma/fsldma.c
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Diffstat (limited to 'drivers/dma/fsldma.c')
-rw-r--r--drivers/dma/fsldma.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index c3d74697f5a9..8088b14ba5f7 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -775,13 +775,18 @@ fail:
return NULL;
}
-static void fsl_dma_device_terminate_all(struct dma_chan *dchan)
+static int fsl_dma_device_control(struct dma_chan *dchan,
+ enum dma_ctrl_cmd cmd, unsigned long arg)
{
struct fsldma_chan *chan;
unsigned long flags;
+ /* Only supports DMA_TERMINATE_ALL */
+ if (cmd != DMA_TERMINATE_ALL)
+ return -ENXIO;
+
if (!dchan)
- return;
+ return -EINVAL;
chan = to_fsl_chan(dchan);
@@ -795,6 +800,8 @@ static void fsl_dma_device_terminate_all(struct dma_chan *dchan)
fsldma_free_desc_list(chan, &chan->ld_running);
spin_unlock_irqrestore(&chan->desc_lock, flags);
+
+ return 0;
}
/**
@@ -965,13 +972,12 @@ static void fsl_dma_memcpy_issue_pending(struct dma_chan *dchan)
}
/**
- * fsl_dma_is_complete - Determine the DMA status
+ * fsl_tx_status - Determine the DMA status
* @chan : Freescale DMA channel
*/
-static enum dma_status fsl_dma_is_complete(struct dma_chan *dchan,
+static enum dma_status fsl_tx_status(struct dma_chan *dchan,
dma_cookie_t cookie,
- dma_cookie_t *done,
- dma_cookie_t *used)
+ struct dma_tx_state *txstate)
{
struct fsldma_chan *chan = to_fsl_chan(dchan);
dma_cookie_t last_used;
@@ -982,11 +988,7 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *dchan,
last_used = dchan->cookie;
last_complete = chan->completed_cookie;
- if (done)
- *done = last_complete;
-
- if (used)
- *used = last_used;
+ dma_set_tx_state(txstate, last_complete, last_used, 0);
return dma_async_is_complete(cookie, last_complete, last_used);
}
@@ -1330,10 +1332,10 @@ static int __devinit fsldma_of_probe(struct of_device *op,
fdev->common.device_free_chan_resources = fsl_dma_free_chan_resources;
fdev->common.device_prep_dma_interrupt = fsl_dma_prep_interrupt;
fdev->common.device_prep_dma_memcpy = fsl_dma_prep_memcpy;
- fdev->common.device_is_tx_complete = fsl_dma_is_complete;
+ fdev->common.device_tx_status = fsl_tx_status;
fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending;
fdev->common.device_prep_slave_sg = fsl_dma_prep_slave_sg;
- fdev->common.device_terminate_all = fsl_dma_device_terminate_all;
+ fdev->common.device_control = fsl_dma_device_control;
fdev->common.dev = &op->dev;
dev_set_drvdata(&op->dev, fdev);