linux-kernel - Re: [PATCH 1/3] RISC-V: add Bitmanip/Scalar Crypto parsing from DT

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Message-ID: <20230627-projector-rockband-cac4bd138338@spud>
Date:   Tue, 27 Jun 2023 20:18:18 +0100
From:   Conor Dooley <conor@...nel.org>
To:     "Hongren (Zenithal) Zheng" <i@...ithal.me>
Cc:     Evan Green <evan@...osinc.com>, Samuel Ortiz <sameo@...osinc.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org, linux@...osinc.com,
        Conor Dooley <conor.dooley@...rochip.com>,
        Andrew Jones <ajones@...tanamicro.com>,
        Heiko Stuebner <heiko.stuebner@...ll.eu>,
        Anup Patel <apatel@...tanamicro.com>,
        linux-kernel@...r.kernel.org, Guo Ren <guoren@...nel.org>,
        Atish Patra <atishp@...osinc.com>,
        Björn Töpel <bjorn@...osinc.com>,
        Jiatai He <jiatai2021@...as.ac.cn>
Subject: Re: [PATCH 1/3] RISC-V: add Bitmanip/Scalar Crypto parsing from DT

On Wed, Jun 28, 2023 at 03:03:58AM +0800, Hongren (Zenithal) Zheng wrote:
> On Tue, Jun 27, 2023 at 07:48:15PM +0100, Conor Dooley wrote:
> > On Tue, Jun 27, 2023 at 11:14:30AM -0700, Evan Green wrote:
> > > On Tue, Jun 27, 2023 at 7:38 AM Samuel Ortiz <sameo@...osinc.com> wrote:
> > > >
> > > > From: "Hongren (Zenithal) Zheng" <i@...ithal.me>
> > > >
> > > > This patch parses Zb/Zk related string from DT and
> > 
> > %s/This patch//
> > 
> > > > output them in cpuinfo
> > > >
> > > > One thing worth noting is that if DT provides zk,
> > > > all zbkb, zbkc, zbkx and zkn, zkr, zkt would be enabled.
> > 
> > Please explain why this is okay.
> 
> From riscv scalar crypto spec, zk is a shorthand
> for zkn, zkr and zkt and zkn also includes zbkb, zbkc
> and zbkx.

Hmm, seems you misunderstood, sorry about that.
What I was looking for is an explanation of this in the commit message.

Hope that helps,
Conor.

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