dm: blk: Add comments to a few functions
authorSimon Glass <sjg@chromium.org>
Mon, 29 Feb 2016 22:25:41 +0000 (15:25 -0700)
committerSimon Glass <sjg@chromium.org>
Mon, 14 Mar 2016 21:34:50 +0000 (15:34 -0600)
commitfb1b7be9538dab7ce69208045cc3b80c6eb57f3b
tree8f324421031fda92240b2c500e21a3f918b84c5b
parent5ec4f1a5f35dc71881f88c84176c568308133640
dm: blk: Add comments to a few functions

The block interface is not well documented in the code. Pick two important
functions and add comments.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
include/part.h