mtd: nand: Optimize checking of erased buffers
If we see ~0UL in flash, there's no need for hweight, and no need to check number of bitflips. So this should be net win. Signed-off-by:Pavel Machek <pavel@denx.de> Signed-off-by:
Boris Brezillon <boris.brezillon@free-electrons.com>
parent
838ff7b3
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