Re: [PATCH v2 0/4] qcom-rng fixes and cleanups
From: Herbert Xu
Date: Sun Jul 05 2026 - 04:27:12 EST
Eric Biggers <ebiggers@xxxxxxxxxx> wrote:
> This series fixes several bugs in qcom-rng, including failure to enable
> the clock before accessing the hardware, generating biased random
> numbers, and generating duplicate or non-random numbers due to missing
> locking. To fix the latter bug, it drops the support for the
> duplicative crypto_rng interface, which isn't used in practice, leaving
> just hwrng which is the one that actually matters.
>
> This series is targeting cryptodev/master
>
> Changed in v2:
> - Changed patch 3 to make the driver continue to be bound even when
> hwrng is unsupported.
> - Added blank line in patch 2
> - Added Reviewed-by
>
> Eric Biggers (4):
> crypto: qcom-rng - Enable clock in hwrng case
> crypto: qcom-rng - Allow zero as a random number
> crypto: qcom-rng - Remove crypto_rng interface
> hwrng: qcom - Move qcom-rng.c into drivers/char/hw_random/
>
> arch/arm/configs/multi_v7_defconfig | 2 +-
> arch/arm/configs/qcom_defconfig | 2 +-
> arch/arm64/configs/defconfig | 2 +-
> drivers/char/hw_random/Kconfig | 11 ++
> drivers/char/hw_random/Makefile | 1 +
> drivers/{crypto => char/hw_random}/qcom-rng.c | 156 +++---------------
> drivers/crypto/Kconfig | 12 --
> drivers/crypto/Makefile | 1 -
> drivers/gpu/drm/ci/arm64.config | 2 +-
> 9 files changed, 41 insertions(+), 148 deletions(-)
> rename drivers/{crypto => char/hw_random}/qcom-rng.c (53%)
>
>
> base-commit: 79bbe453e5bfa6e1c6aa2e8329bfc8f152b81c9b
All applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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