From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CFD563793DB; Thu, 15 Jan 2026 11:25:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768476318; cv=none; b=iK8hnZYSkaVNQqdCiODyfX8a7dcuEXyYbX5zWSb591Sca8/YQKQuNoZ015TOCVWtFCN4yO5NvZ2sssRl0NHpcxURP8aToEDOnqtnqRx761aIb0jNwMjhz4h+EvsJ3OBlVg1sH1EXGYyg4uFQjDh2K33/QORiUoaBKaAGq4L39kM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768476318; c=relaxed/simple; bh=B7PuUbXLWy7tl2Fur0m21K5Rid4K0ANkn6cmSohDoGg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oHn/t6cvVjewrwRiugc3vQnL0aCUQAI5P9w3igyM3XwJ/90C741ID8u+3CrvxZ6p85gPcz+fUYa/neWbu+HMtNYn7OHPioWpj5aU25PZU62yRYLgLb5ne6f3wRZ4ggFvXTF+IG3BtDss1n1rqu5Srzl314MQYFXPbn7GTA5mXRw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IfVg6P0p; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IfVg6P0p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7565AC16AAE; Thu, 15 Jan 2026 11:25:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768476318; bh=B7PuUbXLWy7tl2Fur0m21K5Rid4K0ANkn6cmSohDoGg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IfVg6P0plvu0QThEcQfXdt0D50Ofu64z4L2RBMAAv9Wv6AmF+p8KbaqmqiVTCuts9 M5INO265jFD8nMLXeEIp5xA+PerY3+Rjqdl2pkIVhe8z3KGPPcuLRFk1TLqJwQfbiW lJKcFJ7+kqdTuzsBffFhWdIbfdTbJAlZHRRhPepR0+x5dKYJNRbR54oxHRm6C3otvK gLmoVvU1QmC0eJAINslSSK/ZWRUmrezlOrcKd06OjJaa7vyA+r2cXhMtYQU9kPlQ7n KNJi1JmYG9cJ/7EGhRcUO8j4pQx4qI+KPyMB2XHPGjGRnCrsnVPTa9Rx8NejK3u2lt LmXH+VUkOud7A== From: Yixun Lan To: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Conor Dooley , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Chen Wang , Inochi Amaoto , Yixun Lan , Conor Dooley , Guodong Xu Cc: Yixun Lan , Junhui Liu , linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, sophgo@lists.linux.dev, spacemit@lists.linux.dev Subject: Re: (subset) [PATCH v2 0/4] riscv: dts: Add "b" ISA extension to existing devicetrees Date: Thu, 15 Jan 2026 19:24:51 +0800 Message-ID: <176847501553.23847.653353060495870563.b4-ty@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115-adding-b-dtsi-v2-0-254dd61cf947@riscstar.com> References: <20260115-adding-b-dtsi-v2-0-254dd61cf947@riscstar.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit 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