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 6360DC6FA83 for ; Mon, 26 Sep 2022 11:30:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235000AbiIZLaO (ORCPT ); Mon, 26 Sep 2022 07:30:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238148AbiIZL3Q (ORCPT ); Mon, 26 Sep 2022 07:29:16 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 854EF6B651; Mon, 26 Sep 2022 03:41:41 -0700 (PDT) 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 sin.source.kernel.org (Postfix) with ESMTPS id D69C8CE10E9; Mon, 26 Sep 2022 10:40:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ADE1EC433C1; Mon, 26 Sep 2022 10:40:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664188804; bh=LMlo5aqD6dfc6Y2O5/RJLrgMIxQVfXJW9zMulTBW/WI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=bMNHirrFQPVl9RUCT2r0869CRbvuoBn0v2wP4YKfewBVdHvaNX4Rj8tf87bClK7Ti C3/0DRXkAmsBAme9u79pT3xgMXIyYgmqScZ0wcNYGG9ACgTevTpSdAiyk5MnauBMrL q/1/0HRTnn0x8MFE8vBJseBvpqP1CXRfpPKpile7+mB67Q2zc/KHE4z16S17+m4bAK 8E3OO9OeyrIFN2ILJyhB+h2KNNBpAIkLXcOE3BLv8p9lG9ENWPy+IB3QGlSiCqzXgw P7R72/hOrPwQoaJg8VNk3NTBx39h5Cq9Mvw84wsL39YLKkUBhLvOpm5IaVYtTet8sn mLrIrpl5ZF+kw== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1oclWs-00CduR-Bf; Mon, 26 Sep 2022 11:40:02 +0100 Date: Mon, 26 Sep 2022 06:40:02 -0400 Message-ID: <86a66m8lml.wl-maz@kernel.org> From: Marc Zyngier To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Linus Walleij , Bartosz Golaszewski , Sasha Levin Subject: Re: [PATCH 5.4 097/120] gpio: ixp4xx: Make irqchip immutable In-Reply-To: <20220926100754.551266309@linuxfoundation.org> References: <20220926100750.519221159@linuxfoundation.org> <20220926100754.551266309@linuxfoundation.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, linus.walleij@linaro.org, brgl@bgdev.pl, sashal@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 Greg, On Mon, 26 Sep 2022 06:12:10 -0400, Greg Kroah-Hartman wrote: > > From: Linus Walleij > > [ Upstream commit 94e9bc73d85aa6ecfe249e985ff57abe0ab35f34 ] > > This turns the IXP4xx GPIO irqchip into an immutable > irqchip, a bit different from the standard template due > to being hierarchical. > > Tested on the IXP4xx which uses drivers/ata/pata_ixp4xx_cf.c > for a rootfs on compact flash with IRQs from this GPIO > block to the CF ATA controller. > > Cc: Marc Zyngier > Signed-off-by: Linus Walleij > Acked-by: Marc Zyngier > Signed-off-by: Bartosz Golaszewski > Signed-off-by: Sasha Levin We had that discussion[1], and concluded that none of these should be backported to a kernel earlier than 5.19. 5.4 doesn't currently contain the relevant infrastructure, nor should that infrastructure should be backported either. Can we *please* stop this? M. [1] https://lore.kernel.org/all/CAMRc=Md9JKdW8wmbun_0_1y2RQbck7q=vzOkdw6n+FBgpf0h8w@mail.gmail.com/ -- Without deviation from the norm, progress is not possible.