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| author | Haowen Bai <baihaowen@meizu.com> | 2022-04-12 09:16:20 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-04-20 17:19:09 +0530 |
| commit | 3dbc47a9629d3ab1bca89cc25f6bffcc47c71ed7 (patch) | |
| tree | 43162d76edca9d6a4e9c5819ccedf335cae27785 /drivers/dma/amba-pl08x.c | |
| parent | 23084545dbb0ac0d1f0acad915bdeed7bd5f48cd (diff) | |
| download | lwn-3dbc47a9629d3ab1bca89cc25f6bffcc47c71ed7.tar.gz lwn-3dbc47a9629d3ab1bca89cc25f6bffcc47c71ed7.zip | |
dmaengine: pl08x: drop the useless function
Unneeded variable: "retval". Return "NULL" , so we have to make code clear.
better way, drop the function.
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Link: https://lore.kernel.org/r/1649726180-13133-1-git-send-email-baihaowen@meizu.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/amba-pl08x.c')
| -rw-r--r-- | drivers/dma/amba-pl08x.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index a24882ba3764..a4a794e62ac2 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -1535,14 +1535,6 @@ static void pl08x_free_chan_resources(struct dma_chan *chan) vchan_free_chan_resources(to_virt_chan(chan)); } -static struct dma_async_tx_descriptor *pl08x_prep_dma_interrupt( - struct dma_chan *chan, unsigned long flags) -{ - struct dma_async_tx_descriptor *retval = NULL; - - return retval; -} - /* * Code accessing dma_async_is_complete() in a tight loop may give problems. * If slaves are relying on interrupts to signal completion this function @@ -2760,7 +2752,6 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) pl08x->memcpy.dev = &adev->dev; pl08x->memcpy.device_free_chan_resources = pl08x_free_chan_resources; pl08x->memcpy.device_prep_dma_memcpy = pl08x_prep_dma_memcpy; - pl08x->memcpy.device_prep_dma_interrupt = pl08x_prep_dma_interrupt; pl08x->memcpy.device_tx_status = pl08x_dma_tx_status; pl08x->memcpy.device_issue_pending = pl08x_issue_pending; pl08x->memcpy.device_config = pl08x_config; @@ -2787,8 +2778,6 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) pl08x->slave.dev = &adev->dev; pl08x->slave.device_free_chan_resources = pl08x_free_chan_resources; - pl08x->slave.device_prep_dma_interrupt = - pl08x_prep_dma_interrupt; pl08x->slave.device_tx_status = pl08x_dma_tx_status; pl08x->slave.device_issue_pending = pl08x_issue_pending; pl08x->slave.device_prep_slave_sg = pl08x_prep_slave_sg; |