diff options
Diffstat (limited to 'drivers/dma/dmaengine.c')
| -rw-r--r-- | drivers/dma/dmaengine.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 5829143558e1..15278044295c 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -166,8 +166,8 @@ static struct dma_chan *dma_client_chan_alloc(struct dma_client *client) } /** - * dma_client_chan_free - release a DMA channel - * @chan: &dma_chan + * dma_chan_cleanup - release a DMA channel's resources + * @kref: kernel reference structure that contains the DMA channel device */ void dma_chan_cleanup(struct kref *kref) { @@ -199,7 +199,7 @@ static void dma_client_chan_free(struct dma_chan *chan) * dma_chans_rebalance - reallocate channels to clients * * When the number of DMA channel in the system changes, - * channels need to be rebalanced among clients + * channels need to be rebalanced among clients. */ static void dma_chans_rebalance(void) { @@ -264,7 +264,7 @@ struct dma_client *dma_async_client_register(dma_event_callback event_callback) /** * dma_async_client_unregister - unregister a client and free the &dma_client - * @client: + * @client: &dma_client to free * * Force frees any allocated DMA channels, frees the &dma_client memory */ @@ -306,7 +306,7 @@ void dma_async_client_chan_request(struct dma_client *client, } /** - * dma_async_device_register - + * dma_async_device_register - registers DMA devices found * @device: &dma_device */ int dma_async_device_register(struct dma_device *device) @@ -348,8 +348,8 @@ int dma_async_device_register(struct dma_device *device) } /** - * dma_async_device_unregister - - * @device: &dma_device + * dma_async_device_cleanup - function called when all references are released + * @kref: kernel reference object */ static void dma_async_device_cleanup(struct kref *kref) { @@ -359,7 +359,11 @@ static void dma_async_device_cleanup(struct kref *kref) complete(&device->done); } -void dma_async_device_unregister(struct dma_device* device) +/** + * dma_async_device_unregister - unregisters DMA devices + * @device: &dma_device + */ +void dma_async_device_unregister(struct dma_device *device) { struct dma_chan *chan; unsigned long flags; |