Re: [PATCH v3 2/3] MIPS: crypto: Add crc32 and crc32c hw accelerated module

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On Fri, Feb 09, 2018 at 10:11:06PM +0000, James Hogan wrote:
> From: Marcin Nowakowski <marcin.nowakowski@xxxxxxxx>
> 
> 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@xxxxxxxx>
> Signed-off-by: James Hogan <jhogan@xxxxxxxxxx>
> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
> Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: linux-mips@xxxxxxxxxxxxxx
> Cc: linux-crypto@xxxxxxxxxxxxxxx
> ---
> Changes in v3:
>  - Convert to using assembler macros to support CRC instructions on
>    older toolchains, using the helpers merged for 4.16. This removes the
>    need to hardcode either rt or rs (i.e. as $v0 (CRC_REGISTER) and
>    $at), and drops the C "register" keywords sprinkled everywhere.
>  - Minor whitespace rearrangement of _CRC32 macro.
>  - Add SPDX-License-Identifier to crc32-mips.c and the crypo Makefile.
>  - Update copyright from ImgTec to MIPS Tech, LLC.
>  - Update imgtec.com email addresses to mips.com.
> 
> Changes in v2:
>  - minor code refactoring as suggested by JamesH which produces
>    a better assembly output for 32-bit builds
> ---
>  arch/mips/Kconfig             |   4 +-
>  arch/mips/Makefile            |   3 +-
>  arch/mips/crypto/Makefile     |   6 +-
>  arch/mips/crypto/crc32-mips.c | 346 +++++++++++++++++++++++++++++++++++-
>  crypto/Kconfig                |   9 +-
>  5 files changed, 368 insertions(+)
>  create mode 100644 arch/mips/crypto/Makefile
>  create mode 100644 arch/mips/crypto/crc32-mips.c

Acked-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt



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