tree 3b22285081f2921225d80a4c7437bf618335262a
parent f262d4ca4b2bf8a99acb37c6151c54cd80251566
author Simon Glass <sjg@chromium.org> 1580140188 -0700
committer Simon Glass <sjg@chromium.org> 1580956425 -0700

dm: core: Add a way to iterate through children, probing each

It is sometimes useful to process all children, making sure they are
probed first. Add functions to help with this and a macro to make it more
convenient.

Signed-off-by: Simon Glass <sjg@chromium.org>