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=-3.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 76034C65C20 for ; Mon, 8 Oct 2018 16:32:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A99C2089D for ; Mon, 8 Oct 2018 16:32:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="KkmbcIN4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A99C2089D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726703AbeJHXou (ORCPT ); Mon, 8 Oct 2018 19:44:50 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:43560 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726393AbeJHXot (ORCPT ); Mon, 8 Oct 2018 19:44:49 -0400 Received: by mail-pf1-f194.google.com with SMTP id p24-v6so8605078pff.10 for ; Mon, 08 Oct 2018 09:32:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=uzbIQGVke+G0uyE3ie/RdMq0ogkmeNz0swT4Wn03utU=; b=KkmbcIN445KUD7q79TVRBvsrOiHukuMegeIPWpV/IlUondtCTBNrVgNjI2JnvHgxQJ ZBdkw5XeuD9LFoFinqCA5IVNRKBh8R5vlArhlIt59fU7nxbucT88vnH8n0AVp0OjhXPl ZoEjCrCch1h/+gLsUV+Vr6eITIVe8FTOz5iPI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=uzbIQGVke+G0uyE3ie/RdMq0ogkmeNz0swT4Wn03utU=; b=PZA41UuU9p1N04RoY2udGbVR6WgPXbC52Rc7xZ/NbhFIv3KTXL9nrN4HH+QqAmHHo8 G06VaI7MEaQR8ld3fTIr+ZaCPMqhCbQPXDW4SnzoNxyFdncfVi2ThS4DFQhhCe8b4h7u WNzBGYG25+CfmGooYJNzoiD06q+5D24y8fdAc0b1SPRopoIyulOh3HQr0SShElXYqrwi /K4QHs8UAj7VahMjMMsaSNGC2fx37znCOzUKy/h+3O9w0OdqB7+XUt/Ky833aL+dTVrC akrfH6BRdiIV+k2o/mRK4PJ19Shuw3GTlOJiURjl4laEe6w+MDk/MlB3qWC7OBEr/Hkt yFiA== X-Gm-Message-State: ABuFfognaYxnL++xwtFDhZ0584pTaFFYYQFBpBATs0fATdgkbFDufrBe vXXJo7Xhp+NhmIJ29wi0Z002ow== X-Google-Smtp-Source: ACcGV60HQTKs3hS8h5367cHTXM4EL165I3NgTijyyN+1xr++3PRoPwpCFBIa3KRVm6VbN1lf/V1t4w== X-Received: by 2002:a63:c044:: with SMTP id z4-v6mr21649691pgi.274.1539016337655; Mon, 08 Oct 2018 09:32:17 -0700 (PDT) Received: from smtp.gmail.com ([2620:15c:202:1:fed3:9637:a13a:6c15]) by smtp.gmail.com with ESMTPSA id 3-v6sm29832077pga.12.2018.10.08.09.32.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Oct 2018 09:32:17 -0700 (PDT) From: Stephen Boyd To: Linus Walleij Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Evan Green , Thierry Reding , Grygorii Strashko Subject: [PATCH 0/4] gpio chip cascade fixes Date: Mon, 8 Oct 2018 09:32:12 -0700 Message-Id: <20181008163216.97436-1-swboyd@chromium.org> X-Mailer: git-send-email 2.19.0.605.g01d371f741-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Originally this was a single patch but then I noticed some other things that didn't seem quite right so I added on a few more patches after that. The first patch is the important one because it fixes a bug where a stack pointer is assigned to the gpio_irq_chip structure and used later on when that stack is gone. Cc: Evan Green Cc: Thierry Reding Cc: Grygorii Strashko Stephen Boyd (4): gpio: Assign gpio_irq_chip::parents to non-stack pointer gpio: Drop parent irq assignment during cascade setup gpio: Remove unused 'irqchip' argument to gpiochip_set_cascaded_irqchip() gpio: Clarify kerneldoc on gpiochip_set_chained_irqchip() drivers/gpio/gpiolib.c | 24 +++++------------------- include/linux/gpio/driver.h | 5 +++++ 2 files changed, 10 insertions(+), 19 deletions(-) -- Sent by a computer through tubes