[PATCH v3 46/59] dmaengine: pch-dma: Rename device_control

Maxime Ripard
2014-10-22T15:57:58Z

Rename the device_control callback of the Intel PCH DMA driver to terminate_all
since it's all it's really doing. That will eventually be used to retrieve
slave capabilities.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
drivers/dma/pch_dma.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index 9f9ca9fe5ce6..d03b9c93ccab 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -665,16 +665,12 @@ err_desc_get:
return NULL;
}

-static int pd_device_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
- unsigned long arg)
+static int pd_device_terminate_all(struct dma_chan *chan)
{
struct pch_dma_chan *pd_chan = to_pd_chan(chan);
struct pch_dma_desc *desc, *_d;
LIST_HEAD(list);

- if (cmd != DMA_TERMINATE_ALL)
- return -ENXIO;
-
spin_lock_irq(&pd_chan->lock);

pdc_set_mode(&pd_chan->chan, DMA_CTL0_DISABLE);
@@ -932,7 +928,7 @@ static int pch_dma_probe(struct pci_dev *pdev,
pd->dma.device_tx_status = pd_tx_status;
pd->dma.device_issue_pending = pd_issue_pending;
pd->dma.device_prep_slave_sg = pd_prep_slave_sg;
- pd->dma.device_control = pd_device_control;
+ pd->dma.device_terminate_all = pd_device_terminate_all;

err = dma_async_device_register(&pd->dma);
if (err) {
--
2.1.1