From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752174AbeCWBAD (ORCPT ); Thu, 22 Mar 2018 21:00:03 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:36442 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751832AbeCWBAB (ORCPT ); Thu, 22 Mar 2018 21:00:01 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 81BE4607A2 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=timur@codeaurora.org Subject: Re: [PATCH v3 3/3] pinctrl: qcom: Don't allow protected pins to be requested From: Timur Tabi To: Stephen Boyd , Linus Walleij Cc: Stephen Boyd , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, Bjorn Andersson , Grant Likely , linux-gpio@vger.kernel.org, Andy Shevchenko References: <20180321165848.89751-1-swboyd@chromium.org> <20180321165848.89751-4-swboyd@chromium.org> <97380342-c3aa-5d34-7b22-f6ebbab4bafe@codeaurora.org> Message-ID: <59df3700-c0bd-6ee8-eeab-6a49cb92d1db@codeaurora.org> Date: Thu, 22 Mar 2018 19:59:57 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/22/2018 07:23 PM, Timur Tabi wrote: > > Also, you don't allocate chip->valid_mask anywhere. So I see now where it's allocated, but something is fishy. I have three TLMMs on my chip: [ 67.107018] gpiochip_init_valid_mask:351 gpiochip->need_valid_mask=1 [ 67.153747] gpiochip_init_valid_mask:356 gpiochip->ngpio=72 [ 67.195324] gpiochip_init_valid_mask:361 gpiochip->valid_mask=0000000070b1a4b6 [ 68.532992] gpiochip_init_valid_mask:356 gpiochip->ngpio=44 [ 68.574496] gpiochip_init_valid_mask:361 gpiochip->valid_mask=000000002f33b8a3 [ 68.709378] msm_gpio_init_valid_mask:837 ret=44 max_gpios=44 chip->valid_mask=000000002f33b8a3 [ 69.726502] gpiochip_init_valid_mask:351 gpiochip->need_valid_mask=1 [ 69.772960] gpiochip_init_valid_mask:356 gpiochip->ngpio=54 [ 69.814084] gpiochip_init_valid_mask:361 gpiochip->valid_mask=000000001a53c932 Are these normal addresses for kcalloc() to return? They're not even word-aligned. -- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.