Re: [PATCH] crypto: hisilicon/sec - remove SEC crypto block cipher accelerator

From: Eric Biggers

Date: Tue Aug 18 2026 - 13:28:57 EST


On Tue, Aug 18, 2026 at 04:31:32PM +0800, Chenghai Huang wrote:
> The Hisilicon SEC crypto cipher accelerator has been superseded
> by the newer SEC2 driver (drivers/crypto/hisilicon/sec2/). SEC2
> provides wider algorithm coverage and is the maintained path forward,
> and users have migrated to it.
>
> The legacy SEC driver has had no active users for some time, and its
> primary maintainer, Jonathan Cameron, has moved on from Huawei and
> is no longer in a position to maintain it. With thanks to Jonathan
> for his contributions to this driver over the years, and with no one
> left to keep it up to date, remove it from the tree.
>
> This drops the legacy SEC driver together with all of its residual
> configuration, devicetree binding and board description references:
>
> - drivers/crypto/hisilicon/sec/
> - CONFIG_CRYPTO_DEV_HISI_SEC Kconfig option
> - sec/ entry from drivers/crypto/hisilicon/Makefile
> - Documentation/devicetree/bindings/crypto/hisilicon,hip06-sec.yaml
> - hisilicon,hip07-sec device nodes and their supporting mbigen_alg /
> smmu_alg infrastructure from arch/arm64/boot/dts/hisilicon/hip07.dtsi
>
> Signed-off-by: Chenghai Huang <huangchenghai2@xxxxxxxxxx>

Acked-by: Eric Biggers <ebiggers@xxxxxxxxxx>

You might also need an ack from a devicetree maintainer for dropping the
devicetree binding, though. They sometimes like to keep the bindings
around even with no driver for some reason.

- Eric