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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e26-20020a50ec9a000000b00418c2b5be3csi1594992edr.286.2022.03.17.09.14.03; Thu, 17 Mar 2022 09:14:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=gfZ92Xeh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233298AbiCQMBg (ORCPT + 99 others); Thu, 17 Mar 2022 08:01:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233268AbiCQMBf (ORCPT ); Thu, 17 Mar 2022 08:01:35 -0400 Received: from mail-yb1-xb2a.google.com (mail-yb1-xb2a.google.com [IPv6:2607:f8b0:4864:20::b2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01BAB170DA8; Thu, 17 Mar 2022 05:00:18 -0700 (PDT) Received: by mail-yb1-xb2a.google.com with SMTP id o5so9796159ybe.2; Thu, 17 Mar 2022 05:00:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=w7umAd0HdQF/0Y/dcMA5O7GL9fe1/Zuc2dVyyldUlgw=; b=gfZ92XehhNSgAL1i916bWJTKe1a1eeZ0rlq0AUvo23EAZz9KwhhgS3njKZeyzpk/Ey vTOdsvqySgrQd5J7nGndrNwNTMBUFcDBdFy95ZNtJtmbvCqyIP3eCgp71S4WMHHHlKla PslTZh1Zwt9t6sxKrVidMy/kfisuV8rOpMCOMDYR2H63sr1PebYkdvyvYEIJpbnQMFJO SPm3dzu23FG1oGpcQbO+1RXRins5MimoZHVlIiGYnapBq2drmDJNN3xojvP/IoYMJYaX rm+ekHq39HFlWjNztSMKB/g0q6VJjEpG6Ay5DLhe/94K4yGtlGTCX/Y7NmM8JP9ui7mj IK1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=w7umAd0HdQF/0Y/dcMA5O7GL9fe1/Zuc2dVyyldUlgw=; b=QqM0Vxe7js/qI0kerPxlPNEFJmN67u1pSCN5ZGopQ6BsgA4deYmKLRPzQGWMYlWo3Z BqWWNg3i4nru4v4/V8CAIZwG8Z5rnhIw78s05pCZ4F2N609hplAsbjo9mXtjY7OP9Fus gNRJRJ6jvicMVHwwqjApRsVvNRqHa6YH//o473xLbU94a8vkB3Kj3I8dZPa2UDjASBj1 Lom0r42FgAXNzlnpqYHXEnzfU83qNNj381TkWmuZcnRhCpClhkpWeDv1iQLnywPENqAE GBBSMbmv791D3SL4O4bzOrvfz0oQDZveD2Ik5HwprGMRqAxsrhlJWQPWT2o7kxIjvPma I6kw== X-Gm-Message-State: AOAM533lxqVcF7MV0XjA+6KUuccwClyAvPmfsEtlvBdtPLfyp0Dd/ZtS WqYiJxzm5YgSHgxHh3ehdwmdyBE6iiqwm9FPVrg= X-Received: by 2002:a25:8812:0:b0:633:7bd8:16ff with SMTP id c18-20020a258812000000b006337bd816ffmr4357088ybl.645.1647518418131; Thu, 17 Mar 2022 05:00:18 -0700 (PDT) MIME-Version: 1.0 References: <20220317012404.8069-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <87wngtx79f.wl-maz@kernel.org> In-Reply-To: <87wngtx79f.wl-maz@kernel.org> From: "Lad, Prabhakar" Date: Thu, 17 Mar 2022 11:59:52 +0000 Message-ID: Subject: Re: [RFC PATCH v4 0/5] Renesas RZ/G2L IRQC support To: Marc Zyngier Cc: Andy Shevchenko , Lad Prabhakar , Thomas Gleixner , Rob Herring , Linus Walleij , Bartosz Golaszewski , Geert Uytterhoeven , Philipp Zabel , Linux Kernel Mailing List , devicetree , "open list:GPIO SUBSYSTEM" , Linux-Renesas , Biju Das Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Marc, On Thu, Mar 17, 2022 at 9:23 AM Marc Zyngier wrote: > > On Thu, 17 Mar 2022 08:46:14 +0000, > Andy Shevchenko wrote: > > > > On Thu, Mar 17, 2022 at 5:43 AM Lad Prabhakar > > wrote: > > > > > > Hi All, > > > > > > The RZ/G2L Interrupt Controller is a front-end for the GIC found on > > > Renesas RZ/G2L SoC's with below pins: > > > - IRQ sense select for 8 external interrupts, mapped to 8 GIC SPI interrupts > > > - GPIO pins used as external interrupt input pins out of GPIOINT0-122 a > > > maximum of only 32 can be mapped to 32 GIC SPI interrupts, > > > - NMI edge select. > > > > > What I want to know now is whether it is going to collide with Marc's > > series about GPIO IRQ chip constification? > > Probably, but the current scheme will still be alive for some time > (you'll need a couple of cycles to sort out all the drivers). > Ouch, thanks for letting me know. BTW there are a couple of changes to GPIO core which you have to review (this was missed in the previous version). Cheers, Prabhakar > Worse case, this can be fixed at merge time. > > M. > > -- > Without deviation from the norm, progress is not possible.