tree 5aea0b1ec694e13cb95477adaa59d83cb463f468
parent 14dfc6482a9057472ea202d2df4133a45bc3c1bc
author Tien Fong Chee <tien.fong.chee@intel.com> 1530865596 +0800
committer Tom Rini <trini@konsulko.com> 1538180553 -0400

block: Add a function to find block device descriptor

Add a function to find the block device descriptor of the parent
device.

Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
[trini: Move function declaration to avoid warning]
Signed-off-by: Tom Rini <trini@konsulko.com>