[PATCH 2/4] crypto: powerpc - Re-enable non-REFLECTed CRCs

[Michael Ellerman]

Daniel Axtens <dja at axtens.net> writes:

> When CRC32c was included in the kernel, Anton ripped out
> the #ifdefs around reflected polynomials, because CRC32c
> is always reflected. However, not all CRCs use reflection
> so we'd like to make it optional.
>
> Restore the REFLECT parts from Anton's original CRC32
> implementation (https://github.com/antonblanchard/crc32-vpmsum)
>
> That implementation is available under GPLv2+, so we're OK
> from a licensing point of view:
> https://github.com/antonblanchard/crc32-vpmsum/blob/master/LICENSE.TXT

It's also written by Anton and copyright IBM, so you (we (IBM)) could
always just relicense it anyway.

So doubly OK IMO.

cheers