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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2DD2C433DB for ; Thu, 7 Jan 2021 17:18:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D5AC233CE for ; Thu, 7 Jan 2021 17:18:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728833AbhAGRSY (ORCPT ); Thu, 7 Jan 2021 12:18:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:53582 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726073AbhAGRSX (ORCPT ); Thu, 7 Jan 2021 12:18:23 -0500 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B1B732342C; Thu, 7 Jan 2021 17:17:42 +0000 (UTC) Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1kxYuq-005tOZ-LY; Thu, 07 Jan 2021 17:17:40 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 07 Jan 2021 17:17:40 +0000 From: Marc Zyngier To: Saravana Kannan Cc: Rob Herring , Greg Kroah-Hartman , Frank Rowand , Kevin Hilman , Android Kernel Team , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , LKML Subject: Re: [PATCH] of: property: Add device link support for interrupts In-Reply-To: References: <20201218210750.3455872-1-saravanak@google.com> <2a6dbcc83d5aca7a3340e0cf4d751cdc@kernel.org> <20201231211240.GA2333246@robh.at.kernel.org> <877dovlgdl.wl-maz@kernel.org> User-Agent: Roundcube Webmail/1.4.9 Message-ID: <29319d4bd3c6f8a19a6f800aff0f8f93@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: saravanak@google.com, robh@kernel.org, gregkh@linuxfoundation.org, frowand.list@gmail.com, khilman@baylibre.com, kernel-team@android.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021-01-07 17:08, Saravana Kannan wrote: > On Thu, Jan 7, 2021 at 8:48 AM Rob Herring wrote: >> >> On Wed, Jan 6, 2021 at 6:26 PM Saravana Kannan >> wrote: >> > >> > On Wed, Jan 6, 2021 at 10:52 AM Saravana Kannan wrote: [...] >> > > I wasn't aware of interrupt-map until a few weeks ago and didn't know >> > > it carried phandles. I can add support for that too. There's no reason >> > > for all of them to go in one patch though. >> > >> > Hmm... I looked at >> > Documentation/devicetree/bindings/interrupt-controller/interrupts.txt >> > and it has no documentation for interrupt-map. There's a bunch of >> > references to it in device specific DT binding documentation but I >> > don't want to rely on those for correctness. >> >> See the DT spec and there's also details on elinux.org. It's only >> existed since the 1990s. > > Thanks :) Will try to find it there. My document of reference is [1]. Although interrupt-map appears there in the context of PCI, it is in no way specific to a specific bus. HTH, M. [1] https://www.openbios.org/data/docs/rec.intmap.d09.pdf -- Jazz is not dead. It just smells funny...