diff options
Diffstat (limited to 'drivers/dma/mmp_pdma.c')
| -rw-r--r-- | drivers/dma/mmp_pdma.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index 3f7712c4d3fa..c1b7c3ac7676 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -898,20 +898,11 @@ static struct dma_chan *mmp_pdma_dma_xlate(struct of_phandle_args *dma_spec, struct of_dma *ofdma) { struct mmp_pdma_device *d = ofdma->of_dma_data; - struct dma_chan *chan, *candidate; + struct dma_chan *chan; + struct mmp_pdma_chan *c; -retry: - candidate = NULL; - - /* walk the list of channels registered with the current instance and - * find one that is currently unused */ - list_for_each_entry(chan, &d->device.channels, device_node) - if (chan->client_count == 0) { - candidate = chan; - break; - } - - if (!candidate) + chan = dma_get_any_slave_channel(&d->device); + if (!chan) return NULL; /* dma_get_slave_channel will return NULL if we lost a race between |