linux-kernel - Re: [PATCH v4 0/5] Add Aspeed crypto driver for hardware acceleration

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Date:   Fri, 24 Jun 2022 20:28:39 -0700
From:   Dhananjay Phadke <dphadke@...ux.microsoft.com>
To:     Neal Liu <neal_liu@...eedtech.com>,
        Corentin Labbe <clabbe.montjoie@...il.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Randy Dunlap <rdunlap@...radead.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Dhananjay Phadke <dhphadke@...rosoft.com>,
        Johnny Huang <johnny_huang@...eedtech.com>
Cc:     devicetree@...r.kernel.org, linux-aspeed@...ts.ozlabs.org,
        BMC-SW@...eedtech.com, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 0/5] Add Aspeed crypto driver for hardware acceleration

Hi Neal,

On 6/24/2022 2:08 AM, Neal Liu wrote:
> Aspeed Hash and Crypto Engine (HACE) is designed to accelerate the
> throughput of hash data digest, encryption and decryption.
> 
> These patches aim to add Aspeed hash & crypto driver support.
> The hash & crypto driver also pass the run-time self tests that
> take place at algorithm registration.
> 
> Tested-by below configs:
> - CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
> - CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y
> - CONFIG_DMA_API_DEBUG=y
> - CONFIG_DMA_API_DEBUG_SG=y
> - CONFIG_CPU_BIG_ENDIAN=y
> 
> Change since v3:
> - Use dmam_alloc_coherent() instead to manage dma_alloc_coherent().
> - Add more error handler of dma_prepare() & crypto_engine_start().
> 
> Change since v2:
> - Fix endianness issue. Tested on both little endian & big endian
>    system.
> - Use common crypto hardware engine for enqueue & dequeue requests.
> - Use pre-defined IVs for SHA-family.
> - Revise error handler flow.
> - Fix sorts of coding style problems.
> 
> Change since v1:
> - Add more error handlers, including DMA memory allocate/free, DMA
>    map/unmap, clock enable/disable, etc.
> - Fix check dma_map error for config DMA_API_DEBUG.
> - Fix dt-binding doc & dts node naming.
> 
> 
> Neal Liu (5):
>    crypto: aspeed: Add HACE hash driver
>    dt-bindings: clock: Add AST2600 HACE reset definition
>    ARM: dts: aspeed: Add HACE device controller node
>    dt-bindings: crypto: add documentation for aspeed hace
>    crypto: aspeed: add HACE crypto driver

The driver claims compatible with aspeed,ast2500-hace, but there's no
equivalent g5 DTS change (patch 3/5) or reset definition (patch 2/5) in
aspeed-clock.h? Either drop ast2500 compatible from this patch series or 
fix these.

Thanks,
Dhananjay