diff options
Diffstat (limited to 'drivers/dma/dmaengine.c')
| -rw-r--r-- | drivers/dma/dmaengine.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index b245c38dbec..cdc8ecfc2c2 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -440,7 +440,7 @@ struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, v { struct dma_device *device, *_d; struct dma_chan *chan = NULL; - enum dma_state_client ack; + bool ack; int err; /* Find a channel */ @@ -453,9 +453,9 @@ struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, v if (fn) ack = fn(chan, fn_param); else - ack = DMA_ACK; + ack = true; - if (ack == DMA_ACK) { + if (ack) { /* Found a suitable channel, try to grab, prep, and * return it. We first set DMA_PRIVATE to disable * balance_ref_count as this channel will not be @@ -473,15 +473,9 @@ struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, v dev_name(&chan->dev), err); else break; - } else if (ack == DMA_DUP) { - pr_debug("%s: %s filter said DMA_DUP\n", - __func__, dev_name(&chan->dev)); - } else if (ack == DMA_NAK) { - pr_debug("%s: %s filter said DMA_NAK\n", - __func__, dev_name(&chan->dev)); - break; } else - WARN_ONCE(1, "filter_fn: unknown response?\n"); + pr_debug("%s: %s filter said false\n", + __func__, dev_name(&chan->dev)); chan = NULL; } mutex_unlock(&dma_list_mutex); |