commit 3e5e2bc81a68c417320329837684d98374f11d9c
author Eric Biggers <ebiggers@google.com> Sun Dec 31 18:02:45 2017 -0600
committer Eric Biggers <ebiggers@google.com> Thu Dec 13 09:34:58 2018 -0800
tree 2555c411fa7661c57ab16938b86905935b252a4c
parent 12b2fb03cba0096993fc0ed72522b853c7293464

UPSTREAM: crypto: chacha20 - use rol32() macro from bitops.h

For chacha20_block(), use the existing 32-bit left-rotate function
instead of defining one ourselves.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

(cherry picked from commit 7660b1fb367eb3723b48d3980451fc4f25a05021)
Bug: 112008522
Test: As series, see Ic61c13b53facfd2173065be715a7ee5f3af8760b
Change-Id: I694106676f58f40c20de1f47d60f873d2a7f6536
Signed-off-by: Eric Biggers <ebiggers@google.com>