From: Herbert Xu <herbert@gondor.apana.org.au>
To: Stephen Brennan <stephen@brennan.io>
Cc: Matt Mackall <mpm@selenic.com>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>, Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
Eric Anholt <eric@anholt.net>, Stefan Wahren <wahrenst@gmx.net>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Florian Fainelli <f.fainelli@gmail.com>,
linux-crypto@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/3] Raspberry Pi 4 HWRNG Support
Date: Wed, 11 Dec 2019 17:33:30 +0800 [thread overview]
Message-ID: <20191211093330.h5qz4oyll3jsuqot@gondor.apana.org.au> (raw)
In-Reply-To: <20191119061407.69911-1-stephen@brennan.io>
On Mon, Nov 18, 2019 at 10:14:04PM -0800, Stephen Brennan wrote:
> This patch series enables support for the HWRNG included on the Raspberry
> Pi 4. It is simply a rebase of Stefan's branch [1]. I went ahead and
> tested this out on a Pi 4. Prior to this patch series, attempting to use
> the hwrng gives:
>
> $ head -c 2 /dev/hwrng
> head: /dev/hwrng: Input/output error
>
> After this series, the same command gives two random bytes.
>
> Changes in v2:
> - specify the correct size for the region in the dts, refactor bcm283x rng
>
> ---
>
> Stefan Wahren (2):
> dt-bindings: rng: add BCM2711 RNG compatible
> hwrng: iproc-rng200: Add support for BCM2711
>
> Stephen Brennan (1):
> ARM: dts: bcm2711: Enable HWRNG support
>
> .../devicetree/bindings/rng/brcm,iproc-rng200.txt | 1 +
> arch/arm/boot/dts/bcm2711.dtsi | 6 +++---
> arch/arm/boot/dts/bcm2835.dtsi | 1 +
> arch/arm/boot/dts/bcm2836.dtsi | 1 +
> arch/arm/boot/dts/bcm2837.dtsi | 1 +
> arch/arm/boot/dts/bcm283x-common.dtsi | 11 +++++++++++
> arch/arm/boot/dts/bcm283x.dtsi | 6 ------
> drivers/char/hw_random/Kconfig | 2 +-
> drivers/char/hw_random/iproc-rng200.c | 1 +
> 9 files changed, 20 insertions(+), 10 deletions(-)
> create mode 100644 arch/arm/boot/dts/bcm283x-common.dtsi
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
prev parent reply other threads:[~2019-12-11 9:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-19 6:14 [PATCH v2 0/3] Raspberry Pi 4 HWRNG Support Stephen Brennan
2019-11-19 6:14 ` [PATCH v2 1/3] dt-bindings: rng: add BCM2711 RNG compatible Stephen Brennan
2019-11-19 6:14 ` [PATCH v2 2/3] hwrng: iproc-rng200: Add support for BCM2711 Stephen Brennan
2019-11-19 11:16 ` Matthias Brugger
2019-11-19 6:14 ` [PATCH v2 3/3] ARM: dts: bcm2711: Enable HWRNG support Stephen Brennan
2019-11-19 10:07 ` Nicolas Saenz Julienne
2019-11-19 11:15 ` Matthias Brugger
2019-11-19 16:59 ` Stefan Wahren
2019-11-19 17:09 ` Stephen Brennan
2019-11-19 17:25 ` Nicolas Saenz Julienne
2019-11-19 11:14 ` Matthias Brugger
2019-11-19 17:13 ` Stephen Brennan
2019-12-11 9:33 ` Herbert Xu [this message]
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