tree cb381e150a872bd69b05bed94dd26ded765808bf
parent 8be7850fd67b9eed258330155ce16ab13d02123c
author Dai Okamura <okamura.dai@socionext.com> 1538697384 +0900
committer Masahiro Yamada <yamada.masahiro@socionext.com> 1540872953 +0900

uniphier: revise SCP protocol handshake

When the SoC issues a command IRQ to SCP, SCP sets STMTOBEIRQ as ACK.
The SoC must wait for it before issuing the next command.

This commit makes sure to meet the requirement.

Signed-off-by: Dai Okamura <okamura.dai@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>