[RFC PATCH 3/3] of: fix node traversing in of_dma_get_range

On Sat, Mar 25, 2017 at 12:31 AM, Oza Pawandeep [off-list ref] wrote:

it jumps to the parent node without examining the child node.
also with that, it throws "no dma-ranges found for node"
for pci dma-ranges.

this patch fixes device node traversing for dma-ranges.

What's the DT look like that doesn't work?

dma-ranges is supposed to be a bus property, not a device's property.
So looking at the parent is correct behavior generally.

Rob