hardware random number generator core · Odd fixes

Maintainers

• M Olivia Mackall <olivia@selenic.com>
• M Herbert Xu <herbert@gondor.apana.org.au>

Paths

• F Documentation/admin-guide/hw_random.rst
• F Documentation/devicetree/bindings/rng/
• F drivers/char/hw_random/
• F include/linux/hw_random.h

Last 30 days

Most active threads (last 7 days)

• DORMANTno replies [PATCH] hwrng: stm32 - Fix runtime PM cleanup on registration failure
  2026-07-18 03:30 · 0 replies in 7d · Can Peng <hidden>

Active reviewers (last 30 days)

• Andre Przywara <andre.przywara@arm.com>
  1 attestation (1 Tested-by) · last on 2026-07-07

Recent patches

Most-recent 30 patches in this subsystem on linux-arm-kernel (capped at 30), ordered by date desc.

• DORMANTno replies [PATCH] hwrng: stm32 - Fix runtime PM cleanup on registration failure
  2026-07-18 · Can Peng <hidden>
• COOLING7d [PATCH 1/3] hwrng: drivers - Remove redundant dev_err()/dev_err_probe()
  2026-07-10 · Pan Chuang <hidden>
• WARM1d REVIEWED: 2 (2M) [PATCH v8 2/6] firmware: hwrng: arm_smccc_trng: Register as an SMCCC device
  2026-07-07 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• DORMANTno replies [PATCH RESEND] hwrng: atmel - drop __maybe_unused from atmel_trng_pm_ops
  2026-06-30 · Thorsten Blum <thorsten.blum@linux.dev>
• COLD19d [PATCH] hwrng: xilinx-trng: propagate timeout before any data is read
  2026-06-23 · Pengpeng Hou <hidden>
• COLD42d Re: [PATCH 0/4] Xilinx TRNG fix and simplification
  2026-06-11 · Eric Biggers <ebiggers@kernel.org>
• COLD18d [PATCH v7 2/6] firmware: hwrng: arm_smccc_trng: Register as an SMCCC device
  2026-06-11 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD19d [PATCH] hwrng: atmel - drop __maybe_unused from atmel_trng_pm_ops
  2026-06-06 · Thorsten Blum <thorsten.blum@linux.dev>
• COLD42d [PATCH 4/4] hwrng: xilinx - Move xilinx-rng into drivers/char/hw_random/
  2026-05-31 · Eric Biggers <ebiggers@kernel.org>
• COLD43d [PATCH 2/2] hwrng: hisi-trng - Move hisi-trng into drivers/char/hw_random/
  2026-05-30 · Eric Biggers <ebiggers@kernel.org>
• COLD46d [PATCH v6 2/4] firmware: hwrng: arm_smccc_trng: Register as an SMCCC device
  2026-05-27 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE65d [PATCH v5 2/3] hwrng: arm_smccc_trng: Register as an auxiliary device
  2026-05-14 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE80d [PATCH v4 3/3] hwrng: mtk - add support for hw access via SMCC
  2026-04-20 · Daniel Golle <daniel@makrotopia.org>
• STALE80d [PATCH v4 2/3] dt-bindings: rng: mtk-rng: add SMC-based TRNG variants
  2026-04-20 · Daniel Golle <daniel@makrotopia.org>
• STALE80d [PATCH v4 1/3] dt-bindings: rng: mtk-rng: fix style problems in example
  2026-04-20 · Daniel Golle <daniel@makrotopia.org>
• STALE95d [PATCH v3 1/2] dt-bindings: rng: mtk-rng: add SMC-based TRNG variants
  2026-04-19 · Daniel Golle <daniel@makrotopia.org>
• STALE95d [PATCH v3 2/2] hwrng: mtk - add support for hw access via SMCC
  2026-04-19 · Daniel Golle <daniel@makrotopia.org>
• STALE113d [PATCH v2 1/2] dt-bindings: rng: mtk-rng: add SMC-based TRNG variants
  2026-04-02 · Daniel Golle <daniel@makrotopia.org>
• STALE113d [PATCH v2 2/2] hwrng: mtk - add support for hw access via SMCC
  2026-04-02 · Daniel Golle <daniel@makrotopia.org>
• STALE142d [PATCH 2/2] hwrng: mtk - add support for hw access via SMCC
  2026-03-04 · Daniel Golle <daniel@makrotopia.org>
• STALE142d [PATCH 1/2] dt-bindings: rng: mtk-rng: add SMC-based TRNG variants
  2026-03-04 · Daniel Golle <daniel@makrotopia.org>
• STALE126d REVIEWED: 13 (13M) [PATCH v6 2/6] dt-bindings: rng: atmel,at91-trng: add microchip,lan9691-trng
  2026-03-02 · Robert Marko <robert.marko@sartura.hr>
• STALE165d REVIEWED: 13 (13M) [PATCH v5 03/11] dt-bindings: rng: atmel,at91-trng: add microchip,lan9691-trng
  2026-01-15 · Robert Marko <robert.marko@sartura.hr>
• STALE185d REVIEWED: 3 (3M) [PATCH v4 06/15] dt-bindings: rng: atmel,at91-trng: add microchip,lan9691-trng
  2025-12-29 · Robert Marko <robert.marko@sartura.hr>
• STALE192d REVIEWED: 3 (3M) [PATCH v3 07/15] dt-bindings: rng: atmel,at91-trng: add microchip,lan9691-trng
  2025-12-23 · Robert Marko <robert.marko@sartura.hr>
• STALE217d REVIEWED: 13 (13M) [PATCH v4 1/2] hwrng: imx-rngc: Use optional clock
  2025-11-26 · Jean-Michel Hautbois via B4 Relay <devnull+jeanmichel.hautbois.yoseli.org@kernel.org>
• STALE217d REVIEWED: 13 (13M) [PATCH v4 2/2] m68k: coldfire: Add RNG support for MCF54418
  2025-11-26 · Jean-Michel Hautbois via B4 Relay <devnull+jeanmichel.hautbois.yoseli.org@kernel.org>
• STALE240d [PATCH v3 3/3] m68k: coldfire: Add RNG support for MCF54418
  2025-11-24 · Jean-Michel Hautbois <hidden>
• STALE240d [PATCH v3 2/3] hwrng: imx-rngc: Use optional clock
  2025-11-24 · Jean-Michel Hautbois <hidden>
• STALE256d [PATCH v2 2/2] m68k: coldfire: Add RNG support for MCF54418
  2025-11-07 · Jean-Michel Hautbois <hidden>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE142d [PATCH 2/2] hwrng: mtk - add support for hw access via SMCC
  2026-03-04 · Daniel Golle <daniel@makrotopia.org>
• STALE113d [PATCH v2 2/2] hwrng: mtk - add support for hw access via SMCC
  2026-04-02 · Daniel Golle <daniel@makrotopia.org>
• STALE95d [PATCH v3 2/2] hwrng: mtk - add support for hw access via SMCC
  2026-04-19 · Daniel Golle <daniel@makrotopia.org>
• STALE80d [PATCH v4 3/3] hwrng: mtk - add support for hw access via SMCC
  2026-04-20 · Daniel Golle <daniel@makrotopia.org>
• STALE65d [PATCH v5 2/3] hwrng: arm_smccc_trng: Register as an auxiliary device
  2026-05-14 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD46d [PATCH v6 2/4] firmware: hwrng: arm_smccc_trng: Register as an SMCCC device
  2026-05-27 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COLD43d [PATCH 2/2] hwrng: hisi-trng - Move hisi-trng into drivers/char/hw_random/
  2026-05-30 · Eric Biggers <ebiggers@kernel.org>
• COLD42d [PATCH 4/4] hwrng: xilinx - Move xilinx-rng into drivers/char/hw_random/
  2026-05-31 · Eric Biggers <ebiggers@kernel.org>