tree 2de45bb7c4e89dfb00df441697a6ba8811cd3700
parent 0d30959da53ad4bb2fd0ded4ee0a84c84d2243c6
author Justin Chadwell <justin.chadwell@arm.com> 1562834101 +0100
committer Justin Chadwell <justin.chadwell@arm.com> 1562919139 +0100

Update hisilicon drivers to not rely on undefined overflow behaviour

This consists of ensuring that the left operand of each shift is
unsigned when the operation might overflow into the sign bit.

Change-Id: I67984b6c48c08af61e95a4dbd18047e2c3151f9a
Signed-off-by: Justin Chadwell <justin.chadwell@arm.com>