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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 07E02C31E46 for ; Wed, 12 Jun 2019 12:27:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D1800208C2 for ; Wed, 12 Jun 2019 12:27:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="BPt+ISWt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438887AbfFLM10 (ORCPT ); Wed, 12 Jun 2019 08:27:26 -0400 Received: from mail-lf1-f68.google.com ([209.85.167.68]:44161 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2438842AbfFLM10 (ORCPT ); Wed, 12 Jun 2019 08:27:26 -0400 Received: by mail-lf1-f68.google.com with SMTP id r15so11927521lfm.11 for ; Wed, 12 Jun 2019 05:27:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=7YXfx44CbHqzJ+2PHFNUjf1EVeDIqUOcBZAWMQXOofo=; b=BPt+ISWtfE24CQZAaHNYHj8ReER12QgsGOkUBErX29okeRmFOPMF4KZPZsqT5026k4 c8AoGglJVfsw+ElyP/nr4U+657nEJ/oMwIOxqjXGzAn0Cl2wDTT1YobQAc4YyTLDWhjJ 38/UoElB4LK+c806V/PvRZACTQZU/VdCJ/qB3mgpnCx0AUBQjjbXk9VGkXqWW6igsNuI KqtjnxSn+fY1fqJnR0cudtQeG4dRFFb0BkBAqQhJii+2xOI0ktYrsSqYLr5c8ykb0IFR fWWZEGbrqn1QEYZjCz77M4UgdImgfNy/f7beUMiRGYZsC4lPQx5hbfmleclzF0MBFTYj kj5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=7YXfx44CbHqzJ+2PHFNUjf1EVeDIqUOcBZAWMQXOofo=; b=qO3zVV66kx8VOG/KcehTZ9EzKCrk3xE7H+o/5YkpAQCuuLfsPW8QPfPyC78yiE/JMt 1Eqv8AW9Mx6ul/ubgRgZiuEAkvoAlDCJ2kvFneQGBzblszx2uDy6MViywFT4yRGdJXHJ XuCmbjDQNQE8ZfT75dulwC/KGd7b8r4DLTJb8dW97QABeqvZcR48nRzeo2FAesLDXoTW 44ff/7L7XTzkHLoxCuPjyd3n7ExuBbGwwRlcviYACH6UDy6lyXSfZ6aed+1lsuIcnllO XeQf3gCP9zuqLvOW5dH8uJ4mrxOwuw4XRWkx23RkBgRuPEVDA+2gUKqPjs+o/aZRBOst 2PXA== X-Gm-Message-State: APjAAAUOd+9HNF52fzUY2lv9TQ5ThNaYtBA1vMBe+vUVaz6t1PqGXAaP 8Z0VgJGtT3THgdH2Rspjk/FqH5Jc0VpXvBvLlWA36nyX X-Google-Smtp-Source: APXvYqxPAyw8VQgmjh8XCBoqH+CTdK92GBXr3n9PB2010YxOENF5DffiExDBojd/7HO6BdIOjgXqslUkt3b0WohZiT4= X-Received: by 2002:a19:dc0d:: with SMTP id t13mr17406333lfg.152.1560342443919; Wed, 12 Jun 2019 05:27:23 -0700 (PDT) MIME-Version: 1.0 References: <20190610141809.17542-1-linus.walleij@linaro.org> In-Reply-To: <20190610141809.17542-1-linus.walleij@linaro.org> From: Linus Walleij Date: Wed, 12 Jun 2019 14:27:12 +0200 Message-ID: Subject: Re: [PATCH] fmc: Delete the FMC subsystem To: "linux-kernel@vger.kernel.org" Cc: Federico Vaga , Pat Riehecky , Alessandro Rubini Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 10, 2019 at 4:18 PM Linus Walleij wrote: > The FMC subsystem was created in 2012 with the ambition to > drive development of drivers for this hardware upstream. > > The current implementation has architectural flaws and would > need to be revamped using real hardware to something that can > reuse existing kernel abstractions in the subsystems for e.g. > I2C, FPGA and GPIO. > > We have concluded that for the mainline kernel it will be > better to delete the subsystem and start over with a clean > slate when/if an active maintainer steps up. > > For details see: > https://lkml.org/lkml/2018/10/29/534 > > Suggested-by: Federico Vaga > Cc: Federico Vaga > Cc: Pat Riehecky > Cc: Alessandro Rubini > Signed-off-by: Linus Walleij After consent from the authors I have queued the removal in the GPIO subsystem tree. Yours, Linus Walleij