MIPS: crypto: Add crc32 and crc32c hw accelerated module
This module registers crc32 and crc32c algorithms that use the
optional CRC32[bhwd] and CRC32C[bhwd] instructions in MIPSr6 cores.
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@mips.com>
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-mips@linux-mips.org
Cc: linux-crypto@vger.kernel.org
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Patchwork: https://patchwork.linux-mips.org/patch/18601/
[jhogan@kernel.org: Add CRYPTO_ALG_OPTIONAL_KEY flag on Eric Biggers'
suggestion, due to commit a208fa8f3303 ("crypto: hash - annotate
algorithms taking optional key") in v4.16-rc1]
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8128c3b..79cf7ac 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2028,6 +2028,7 @@
select CPU_HAS_RIXI
select HAVE_ARCH_BITREVERSE
select MIPS_ASID_BITS_VARIABLE
+ select MIPS_CRC_SUPPORT
select MIPS_SPRAM
config EVA
@@ -2501,6 +2502,9 @@
config MIPS_ASID_BITS_VARIABLE
bool
+config MIPS_CRC_SUPPORT
+ bool
+
#
# - Highmem only makes sense for the 32-bit kernel.
# - The current highmem code will only work properly on physically indexed
