linux-kernel - Re: (subset) [PATCH v2 0/4] riscv: dts: Add "b" ISA extension to existing devicetrees

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Message-ID: <176847501553.23847.653353060495870563.b4-ty@kernel.org>
Date: Thu, 15 Jan 2026 19:24:51 +0800
From: Yixun Lan <dlan@...nel.org>
To: Jonathan Corbet <corbet@....net>,
	Paul Walmsley <pjw@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Conor Dooley <conor@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...il.com>,
	Yixun Lan <dlan@...too.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Guodong Xu <guodong@...cstar.com>
Cc: Yixun Lan <dlan@...nel.org>,
	Junhui Liu <junhui.liu@...moral.tech>,
	linux-doc@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	sophgo@...ts.linux.dev,
	spacemit@...ts.linux.dev
Subject: Re: (subset) [PATCH v2 0/4] riscv: dts: Add "b" ISA extension to existing devicetrees


On Thu, 15 Jan 2026 07:18:56 +0800, Guodong Xu wrote:
> The RISC-V "b" (Bit-manipulation) extension was ratified in April 2024,
> much later than its component extensions zba/zbb/zbs (June 2021). Recent
> updates to the device tree bindings [2] enforce that when all three
> component extensions are present, "b" must also be specified. Related
> discussion can also be found in [1].
> 
> Patch 1 clarifies the ISA spec version for canonical ordering in uabi.rst.
> It is a trivial update, but can help readers reference the correct
> document version. Acked-by Paul Walmsley in v1.
> 
> [...]

Applied, thanks!

[4/4] riscv: dts: spacemit: k1: Add "b" ISA extension
      https://github.com/spacemit-com/linux/commit/eb241eb29bad28cd17c5a4b9c355645e96094713

Best regards,
-- 
Yixun Lan <dlan@...nel.org>