From nobody Fri Sep 19 02:30:32 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 523BAC4321E for ; Wed, 30 Nov 2022 18:05:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229607AbiK3SFI (ORCPT ); Wed, 30 Nov 2022 13:05:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58716 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230002AbiK3SFA (ORCPT ); Wed, 30 Nov 2022 13:05:00 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 955E874CC4; Wed, 30 Nov 2022 10:04:59 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 272A8B81C89; Wed, 30 Nov 2022 18:04:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 477AFC43144; Wed, 30 Nov 2022 18:04:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669831496; bh=aWS431RxPAePRVMhSm2JmuPDwCYve4mSOvoqk39aooc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IxddzEriFuoQxLFHlPju0wVpIb4GQkBlxo4ms79oP3DGmib0Ysdvi3AIp0VSeUNoL 2GThFQsz/g+XmgRUiUUxSl/4aQQKGsPUMx7IUi0sHWL6dQWPSxAl5N0LUIWA5t5WKV KPJM68MTJz9WkRBomxdV2WqLduCBYSGRgjxqxQ7gOo/eiSjgXlqQCTeHFsRIwxN8DN YTHnISl0XJ9d9CVR84ishl2FIuDuAoQMBD/0DIVMeDJlZcu1LwYUF/IzCjs6hIT3Wf Tj7yvEbaYtM9BgQiCdWM7XgfrNYQFrwhI2K7o6leuS2hSo71z4TbEuNSrkVf4Hi2Vg 5GDQ8Dz0YgNcQ== From: Conor Dooley To: Palmer Dabbelt , linux-riscv@lists.infradead.org Cc: Conor Dooley , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Albert Ou , Heiko Stuebner , Andrew Jones , Guo Ren , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: riscv: fix underscore requirement for addtional standard extensions Date: Wed, 30 Nov 2022 18:04:22 +0000 Message-Id: <20221130180422.1642652-2-conor@kernel.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221130180422.1642652-1-conor@kernel.org> References: <20221130180422.1642652-1-conor@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Conor Dooley The RISC-V ISA Manual allows for the first Additional Standard Extension having no leading underscore. Only if there are multiple Additional Standard Extensions is it needed to have an underscore. The dt-binding does not validate that a multi-letter extension is canonically ordered, as that'd need an even worse regex than is here, but it should not fail validation for valid ISA strings. Allow the first Z multi-letter extension to appear immediately prior after the single-letter extensions. Link: https://github.com/riscv/riscv-isa-manual/releases/tag/riscv-unpriv-p= df-from-asciidoc-15112022 # Chapter 29.5 Fixes: 299824e68bd0 ("dt-bindings: riscv: add new riscv,isa strings for emu= lators") Acked-by: Guo Ren Signed-off-by: Conor Dooley --- Documentation/devicetree/bindings/riscv/cpus.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentat= ion/devicetree/bindings/riscv/cpus.yaml index 90a7cabf58fe..e80c967a4fa4 100644 --- a/Documentation/devicetree/bindings/riscv/cpus.yaml +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml @@ -80,7 +80,7 @@ properties: insensitive, letters in the riscv,isa string must be all lowercase to simplify parsing. $ref: "/schemas/types.yaml#/definitions/string" - pattern: ^rv(?:64|32)imaf?d?q?c?b?v?k?h?(?:_[hsxz](?:[a-z])+)*$ + pattern: ^rv(?:64|32)imaf?d?q?c?b?v?k?h?(?:z(?:[a-z])+)?(?:_[hsxz](?:[= a-z])+)*$ =20 # RISC-V requires 'timebase-frequency' in /cpus, so disallow it here timebase-frequency: false --=20 2.38.1