linux-kernel - [PATCH 0/3] Assorted changes for Exynos PRNG driver

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Message-id: <20171205123558.31087-1-l.stelmach@samsung.com>
Date:   Tue, 05 Dec 2017 13:35:55 +0100
From:   Łukasz Stelmach <l.stelmach@...sung.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        Stephan Mueller <smueller@...onox.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Kukjin Kim <kgene@...nel.org>, linux-crypto@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org
Cc:     Łukasz Stelmach <l.stelmach@...sung.com>,
        m.szyprowski@...sung.com, b.zolnierkie@...sung.com
Subject: [PATCH 0/3] Assorted changes for Exynos PRNG driver

Hello,

This is a series of patches for exynos-rng driver I've decided to
create after adding support for Exynos5250+ chips. They do not
strictly depend on each other, but I think it is better to send them
as a single patch-set.

Patch #1 Add support for PRNG in Exynos5250+ SoCs

Patch #2 Improve output performance by using memcpy() rather than a
custom function to retriev random bytes from registers.

Patch #3 Reseed the PRNG after reading 2^16 bytes. Simmilar approach
is implemented in DRBG. (Thanks Stephan Mueller)

Łukasz Stelmach (3):
  crypto: exynos - Support Exynos5250+ SoCs
  crypto: exynos - Improve performance of PRNG
  crypto: exynos - Reseed PRNG after generating 2^16 random bytes

 .../bindings/crypto/samsung,exynos-rng4.txt        |  4 +-
 drivers/crypto/exynos-rng.c                        | 90 +++++++++++++---------
 2 files changed, 55 insertions(+), 39 deletions(-)

-- 
2.11.0