From mboxrd@z Thu Jan 1 00:00:00 1970 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 7449DC77B7D for ; Mon, 15 May 2023 07:53:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235190AbjEOHxL (ORCPT ); Mon, 15 May 2023 03:53:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232090AbjEOHxK (ORCPT ); Mon, 15 May 2023 03:53:10 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 023B6E68 for ; Mon, 15 May 2023 00:52:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1684137177; x=1715673177; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=RoI2Djn6VKieYMJ7o6/nHJ9x4pvl2Gd8CtxidZmFCHo=; b=fSvp0v0+Gwv4tr6LlaIg8+bVctrpCAr1ntCpLBbufXV/YgGD0ZlWB9G0 ce86lv/WxPn1N6t81ZA+niHsydJBq/MwCcvy5zr+piMtfQ2nPRseh/I4f 6h6LOfBOkzN6uarmZHzV3f6Dz9bm/zvRPx44y08IJA15+4rm3jZ2UhX6X ZaFA6ZwfHLWkJkZmB5+NDGTEFJUCL/BUb+I/Ujs690piNBWJ2TuJYPQ28 hXJhtBBRLvod0vY48fLFTRN93kwgdBzg6U7CWYRRCCSznJqiQoGZMeAug 93+3+2iqTlESp0g9fcdsTlYgUbJJ1jheW3wbAufryCFDgOk5Zmj+bMGsG g==; X-IronPort-AV: E=Sophos;i="5.99,276,1677567600"; d="asc'?scan'208";a="152051915" X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 15 May 2023 00:52:56 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Mon, 15 May 2023 00:52:54 -0700 Received: from wendy (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21 via Frontend Transport; Mon, 15 May 2023 00:52:51 -0700 Date: Mon, 15 May 2023 08:52:30 +0100 From: Conor Dooley To: Sunil V L CC: Anup Patel , Conor Dooley , Palmer Dabbelt , , , , , , , , , Paul Walmsley , , Krste Asanovic , Andrew Waterman , Greg Favor , Mark Himelstein , Philipp Tomsich Subject: Re: [RFC 0/6] Deprecate riscv,isa DT property? Message-ID: <20230515-unblock-mammogram-5c099bca83a6@wendy> References: <20230511-occupancy-cleat-06e532e3ea11@spud> <20230512-streak-camper-08a68afb5897@spud> <20230512-exhume-unfold-f104dd4c4cbf@spud> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="+BsUbwUyCPabQyLi" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --+BsUbwUyCPabQyLi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 15, 2023 at 10:08:35AM +0530, Sunil V L wrote: > On Sat, May 13, 2023 at 01:17:03PM +0530, Anup Patel wrote: > > ISA string parsed for both DT and ACPI. > >=20 > > For ACPI, moving to a per-extension bit in a bitmap and defining > > a new bit with every ISA extension will be very very inconvenient > > for updating the ACPI specs. We should continue the ISA string > > parsing at least for ACPI. > >=20 > > For DT, users can either use "riscv,isa" DT property or use boolean > > DT properties. > >=20 > From ACPI perspective, the format better be backed by unpriv (or any > other) spec from RVI considering it is a standard across OSs and to > avoid any maintenance issues. DT is also used across multiple OSes, I am not sure what your point is here. The problem, for DT in particular, is defining __which__ version of the unpriv spec meaning is derived from, not whether to use definitions from the specifications. --+BsUbwUyCPabQyLi Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZGHksgAKCRB4tDGHoIJi 0r2kAQDaLZSBxfYMWHSqI9r2pyACzTc+FWLE4ybW31tnVDCi9QEAmR+ZWv8Iumrv cxfV85604cTLA4qibrkK4C4FxXAgDA0= =5zWc -----END PGP SIGNATURE----- --+BsUbwUyCPabQyLi--