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SubjectRe: [PATCH v5 0/3] hwrng: starfive: Add driver for TRNG module
On Tue, Jan 17, 2023 at 09:54:42AM +0800, Jia Jie Ho wrote:
> This patch series adds kernel support for StarFive JH7110 hardware
> random number generator. First 2 patches add binding docs and device
> driver for this module. Patch 3 adds devicetree entry for VisionFive 2
> SoC.
>
> Patch 3 needs to be applied on top of:
> https://patchwork.kernel.org/project/linux-riscv/patch/20221220011247.35560-7-hal.feng@starfivetech.com/
>
> Patch 3 also depends on additional clock and reset patches for stg
> domain that are yet to be submitted to mailing list.
>
> Changes v4->v5:
> - Updated status in MAINTAINERS. (Conor)
> - Specified targeted device in Kconfig title and descriptions. (Conor)
> - Removed unnecessary goto label in patch 2. (Conor)
> - Enable runtime PM before registering hwrng in patch 2. (Conor)
>
> Changes v3->v4:
> - Moved init_completion before IRQ registration to be prepared for
> spurious interrupts. (Herbert)
> - Added locks to guard concurrent write to the same register. (Herbert)
>
> Changes v2->v3:
> - Use constant usecs and convert to jiffies. (Herbert)
> - Removed sleep in irq handler. (Herbert)
> - Limited wait time to 40us if wait == 0 for trng read. (Herbert)
>
> Changes v1->v2:
> - Updated of_match_ptr and added pm_sleep_ptr. (Krzysztof)
> - Dropped "status" in dts as module is always on. (Krzysztof)
>
> Jia Jie Ho (3):
> dt-bindings: rng: Add StarFive TRNG module
> hwrng: starfive - Add TRNG driver for StarFive SoC
> riscv: dts: starfive: Add TRNG node for VisionFive 2
>
> .../bindings/rng/starfive,jh7110-trng.yaml | 55 +++
> MAINTAINERS | 6 +
> arch/riscv/boot/dts/starfive/jh7110.dtsi | 10 +
> drivers/char/hw_random/Kconfig | 11 +
> drivers/char/hw_random/Makefile | 1 +
> drivers/char/hw_random/jh7110-trng.c | 393 ++++++++++++++++++
> 6 files changed, 476 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/rng/starfive,jh7110-trng.yaml
> create mode 100644 drivers/char/hw_random/jh7110-trng.c
>
> --
> 2.25.1

Patches 1-2 applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

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