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driver core: Document struct device:dma_ops

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Commit 5657933dbb (treewide: Move dma_ops from struct dev_archdata into
struct device) added the dma_ops field to struct device, but did not
update the kerneldoc comment, yielding this warning:

  ./include/linux/device.h:969: warning: No description found for parameter 'dma_ops'

Add a description and bring a little peace to the world.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jonathan Corbet 2017-08-24 16:09:10 -06:00 committed by Greg Kroah-Hartman
parent 00ee841590
commit 6a7a81761b
1 changed files with 1 additions and 0 deletions
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include/linux/device.h
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@ -847,6 +847,7 @@ struct dev_links_info {
* @msi_list: Hosts MSI descriptors
* @msi_domain: The generic MSI domain this device is using.
* @numa_node: NUMA node this device is close to.
* @dma_ops: DMA mapping operations for this device.
* @dma_mask: Dma mask (if dma'ble device).
* @coherent_dma_mask: Like dma_mask, but for alloc_coherent mapping as not all
* hardware supports 64-bit addresses for consistent allocations