linux-kernel - [PATCH v4 0/3] Meson S4 HW RNG Support

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Message-ID: <20230926084932.65126-1-avromanov@salutedevices.com>
Date:   Tue, 26 Sep 2023 11:49:23 +0300
From:   Alexey Romanov <avromanov@...utedevices.com>
To:     <narmstrong@...libre.com>, <neil.armstrong@...aro.org>,
        <olivia@...enic.com>, <herbert@...dor.apana.org.au>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <conor@...nel.org>, <khilman@...libre.com>,
        <jbrunet@...libre.com>, <martin.blumenstingl@...glemail.com>,
        <f.fainelli@...il.com>, <hkallweit1@...il.com>, <lists@...ser.cx>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-crypto@...r.kernel.org>, <kernel@...rdevices.ru>,
        Alexey Romanov <avromanov@...rdevices.ru>
Subject: [PATCH v4 0/3] Meson S4 HW RNG Support

From: Alexey Romanov <avromanov@...rdevices.ru>

Hello!

This patch series adds hwrng support for Amlogic S4-series.
Now, S4 uses a new random number generation algorithm.
This changes implemnents new algo and also adds description
to meson-s4.dtsi.

V2:

- Use readl_relaxed_poll_timeout_atomic() function instead of loop.
- Use two different functions: meson_rng_read() and meson_s4_rng_read().
- Fix naming in DT schema (meson-s4-hwrng instead of meson-hwrng-s4).
- A little code style fixes.

V3:

- Fix commit message in patch with dt-bindings schema changes.

V4:

- Drop struct meson_rng_priv field from struct meson_rng_data.

Alexey Romanov (3):
  drivers: rng: meson: add support for S4
  dt-bindings: rng: meson: add meson-rng-s4 compatible
  arch/arm64: dts: meson-s4: add hwrng node

 .../bindings/rng/amlogic,meson-rng.yaml       |  1 +
 arch/arm64/boot/dts/amlogic/meson-s4.dtsi     |  5 ++
 drivers/char/hw_random/meson-rng.c            | 80 ++++++++++++++++++-
 3 files changed, 83 insertions(+), 3 deletions(-)

-- 
2.25.1