From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: Maxime Ripard <mripard@kernel.org>
Cc: davem@davemloft.net, herbert@gondor.apana.org.au,
mark.rutland@arm.com, robh+dt@kernel.org, wens@csie.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-sunxi@googlegroups.com
Subject: Re: [PATCH 2/3] ARM: dts: sun8i: a33: add the new SecuritySystem compatible
Date: Tue, 19 Nov 2019 08:39:24 +0100 [thread overview]
Message-ID: <20191119073924.GA32060@Red> (raw)
In-Reply-To: <20191118111143.GF4345@gilmour.lan>
On Mon, Nov 18, 2019 at 12:11:43PM +0100, Maxime Ripard wrote:
> Hi,
>
> On Thu, Nov 14, 2019 at 03:48:11PM +0100, Corentin Labbe wrote:
> > Add the new A33 SecuritySystem compatible to the crypto node.
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > ---
> > arch/arm/boot/dts/sun8i-a33.dtsi | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
> > index 1532a0e59af4..5680fa1de102 100644
> > --- a/arch/arm/boot/dts/sun8i-a33.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a33.dtsi
> > @@ -215,7 +215,8 @@
> > };
> >
> > crypto: crypto-engine@1c15000 {
> > - compatible = "allwinner,sun4i-a10-crypto";
> > + compatible = "allwinner,sun8i-a33-crypto",
> > + "allwinner,sun4i-a10-crypto";
>
> If some algorithms aren't working properly, we can't really fall back
> to it, we should just use the a33 compatible.
>
Since crypto selftest detect the problem, the fallback could be used and SS will just be in degraded mode (no sha1).
But since nobody reported this problem since 4 years (when SS was added in a33 dts), the absence of sha1 is clearly not an issue.
Regards
WARNING: multiple messages have this Message-ID (diff)
From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: Maxime Ripard <mripard@kernel.org>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
herbert@gondor.apana.org.au, linux-sunxi@googlegroups.com,
linux-kernel@vger.kernel.org, wens@csie.org, robh+dt@kernel.org,
linux-crypto@vger.kernel.org, davem@davemloft.net,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/3] ARM: dts: sun8i: a33: add the new SecuritySystem compatible
Date: Tue, 19 Nov 2019 08:39:24 +0100 [thread overview]
Message-ID: <20191119073924.GA32060@Red> (raw)
In-Reply-To: <20191118111143.GF4345@gilmour.lan>
On Mon, Nov 18, 2019 at 12:11:43PM +0100, Maxime Ripard wrote:
> Hi,
>
> On Thu, Nov 14, 2019 at 03:48:11PM +0100, Corentin Labbe wrote:
> > Add the new A33 SecuritySystem compatible to the crypto node.
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > ---
> > arch/arm/boot/dts/sun8i-a33.dtsi | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
> > index 1532a0e59af4..5680fa1de102 100644
> > --- a/arch/arm/boot/dts/sun8i-a33.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a33.dtsi
> > @@ -215,7 +215,8 @@
> > };
> >
> > crypto: crypto-engine@1c15000 {
> > - compatible = "allwinner,sun4i-a10-crypto";
> > + compatible = "allwinner,sun8i-a33-crypto",
> > + "allwinner,sun4i-a10-crypto";
>
> If some algorithms aren't working properly, we can't really fall back
> to it, we should just use the a33 compatible.
>
Since crypto selftest detect the problem, the fallback could be used and SS will just be in degraded mode (no sha1).
But since nobody reported this problem since 4 years (when SS was added in a33 dts), the absence of sha1 is clearly not an issue.
Regards
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-11-19 7:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-14 14:48 [PATCH 0/3] crypto: sun4i-ss: fix SHA1 on A33 SecuritySystem Corentin Labbe
2019-11-14 14:48 ` Corentin Labbe
2019-11-14 14:48 ` [PATCH 1/3] dt-bindings: crypto: add new compatible for " Corentin Labbe
2019-11-14 14:48 ` Corentin Labbe
2019-11-14 14:48 ` [PATCH 2/3] ARM: dts: sun8i: a33: add the new SecuritySystem compatible Corentin Labbe
2019-11-14 14:48 ` Corentin Labbe
2019-11-18 11:11 ` Maxime Ripard
2019-11-18 11:11 ` Maxime Ripard
2019-11-19 7:39 ` Corentin Labbe [this message]
2019-11-19 7:39 ` Corentin Labbe
2019-11-20 13:45 ` Maxime Ripard
2019-11-20 13:45 ` Maxime Ripard
2019-11-14 14:48 ` [PATCH 3/3] crypto: sun4i-ss: add the A33 variant of SecuritySystem Corentin Labbe
2019-11-14 14:48 ` Corentin Labbe
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