mtd: nand: sunxi: make use of readl_poll_timeout()

Replace open coded polling loops by readl_poll_timeout() calls.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Boris Brezillon 2016-03-07 15:25:17 +01:00
commit 166f08c7b6