Re: [PATCH v3 0/6] crypto: stm32 hash - reuse for Ux500

From: Herbert Xu
Date: Fri Feb 03 2023 - 00:33:12 EST


On Wed, Jan 25, 2023 at 01:23:06AM +0100, Linus Walleij wrote:
> By taking some small portions of the Ux500 HASH driver and
> adding to the STM32 driver, it turns out we can support both
> platforms with the more modern STM32 driver.
>
> The STM32 driver is more modern and compact thanks to using
> things like the crypto engine.
>
> We add a polled mode since the Ux500 does not have any
> interrupt. Incidentally, this could perhaps be re-used to
> implement synchronous mode, if this is desireable.
>
> To: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> To: "David S. Miller" <davem@xxxxxxxxxxxxx>
> To: Rob Herring <robh+dt@xxxxxxxxxx>
> To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
> To: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
> To: Alexandre Torgue <alexandre.torgue@xxxxxxxxxxx>
> To: Lionel Debieve <lionel.debieve@xxxxxxxxxxx>
> Cc: linux-crypto@xxxxxxxxxxxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
>
> ---
> Changes in v3:
> - Allocate the synchronous fallback algorithm in .cra_init()
> and free it in .cra_exit().
> - Pick up some review tags.
> - Link to v2: https://lore.kernel.org/r/20221227-ux500-stm32-hash-v2-0-bc443bc44ca4@xxxxxxxxxx
>
> Changes in v2:
> - Use an else-clause in the DT bindings.
> - Fix up issues pointed out by Lionel in the driver extension.
> - Dropped the patch converting dma_mode to a bool after
> Lionel explained how this works.
> - Link to v1: https://lore.kernel.org/r/20221227-ux500-stm32-hash-v1-0-b637ac4cda01@xxxxxxxxxx
>
> ---
> Linus Walleij (6):
> dt-bindings: crypto: Let STM32 define Ux500 HASH
> crypto: stm32/hash: Simplify code
> crypto: stm32/hash: Use existing busy poll function
> crypto: stm32/hash: Wait for idle before final CPU xmit
> crypto: stm32/hash: Support Ux500 hash
> crypto: ux500/hash - delete driver
>
> .../devicetree/bindings/crypto/st,stm32-hash.yaml | 23 +-
> drivers/crypto/Kconfig | 10 -
> drivers/crypto/Makefile | 1 -
> drivers/crypto/stm32/stm32-hash.c | 266 ++-
> drivers/crypto/ux500/Kconfig | 22 -
> drivers/crypto/ux500/Makefile | 7 -
> drivers/crypto/ux500/hash/Makefile | 11 -
> drivers/crypto/ux500/hash/hash_alg.h | 398 ----
> drivers/crypto/ux500/hash/hash_core.c | 1966 --------------------
> 9 files changed, 249 insertions(+), 2455 deletions(-)
> ---
> base-commit: 1b929c02afd37871d5afb9d498426f83432e71c2
> change-id: 20221227-ux500-stm32-hash-9ee26834292f
>
> Best regards,
> --
> Linus Walleij <linus.walleij@xxxxxxxxxx>

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