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path: root/drivers/dma/sun6i-dma.c
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Diffstat (limited to 'drivers/dma/sun6i-dma.c')
-rw-r--r--drivers/dma/sun6i-dma.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
index 7ebcf9bec698..11e536586812 100644
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -796,11 +796,6 @@ static void sun6i_dma_issue_pending(struct dma_chan *chan)
spin_unlock_irqrestore(&vchan->vc.lock, flags);
}
-static int sun6i_dma_alloc_chan_resources(struct dma_chan *chan)
-{
- return 0;
-}
-
static void sun6i_dma_free_chan_resources(struct dma_chan *chan)
{
struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device);
@@ -896,7 +891,7 @@ static struct sun6i_dma_config sun8i_a23_dma_cfg = {
.nr_max_vchans = 37,
};
-static struct of_device_id sun6i_dma_match[] = {
+static const struct of_device_id sun6i_dma_match[] = {
{ .compatible = "allwinner,sun6i-a31-dma", .data = &sun6i_a31_dma_cfg },
{ .compatible = "allwinner,sun8i-a23-dma", .data = &sun8i_a23_dma_cfg },
{ /* sentinel */ }
@@ -957,7 +952,6 @@ static int sun6i_dma_probe(struct platform_device *pdev)
dma_cap_set(DMA_SLAVE, sdc->slave.cap_mask);
INIT_LIST_HEAD(&sdc->slave.channels);
- sdc->slave.device_alloc_chan_resources = sun6i_dma_alloc_chan_resources;
sdc->slave.device_free_chan_resources = sun6i_dma_free_chan_resources;
sdc->slave.device_tx_status = sun6i_dma_tx_status;
sdc->slave.device_issue_pending = sun6i_dma_issue_pending;