From: Rob Herring <robh@kernel.org>
To: Palmer Dabbelt <palmer@sifive.com>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
patches@groups.riscv.org, linux-kernel@vger.kernel.org,
nathan=20Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>
Subject: Re: [PATCH] dt-bindings: Add a RISC-V SBI firmware node
Date: Mon, 20 Nov 2017 15:45:20 -0600 [thread overview]
Message-ID: <20171120214520.dcaqvyncojwefmgt@rob-hp-laptop> (raw)
In-Reply-To: <20171120195000.2070-1-palmer@sifive.com>
On Mon, Nov 20, 2017 at 11:50:00AM -0800, Palmer Dabbelt wrote:
> The RISC-V privileged ISA mandates the presence of an SBI, but there's
> no reason not to put it in the device tree. This would allow us to
> possibly remove the SBI later.
If it is mandatory, then it should not be in DT. DT is not a driver
instantiation mechanism.
If your ISA can vary, I'd recommend you make that discoverable. DT is
for what we failed to make discoverable.
Rob
next prev parent reply other threads:[~2017-11-20 21:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-20 19:50 [PATCH] dt-bindings: Add a RISC-V SBI firmware node Palmer Dabbelt
[not found] ` <20171120195000.2070-1-palmer-SpMDHPYPyPbQT0dZR+AlfA@public.gmane.org>
2017-11-20 20:28 ` Jonathan Neuschäfer
2017-11-20 21:28 ` [patches] " Palmer Dabbelt
2017-11-21 1:08 ` Jonathan Neuschäfer
2017-11-21 17:41 ` Palmer Dabbelt
2017-11-21 10:43 ` Mark Rutland
2017-11-20 21:45 ` Rob Herring [this message]
2017-11-21 17:37 ` Palmer Dabbelt
2017-11-21 20:08 ` Jonathan Neuschäfer
2017-11-22 0:36 ` Palmer Dabbelt
2017-11-28 19:43 ` Rob Herring
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