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=-8.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable 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 94C67C18E5B for ; Thu, 2 Apr 2020 09:48:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7437B2074D for ; Thu, 2 Apr 2020 09:48:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387730AbgDBJsE (ORCPT ); Thu, 2 Apr 2020 05:48:04 -0400 Received: from foss.arm.com ([217.140.110.172]:40708 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725965AbgDBJsE (ORCPT ); Thu, 2 Apr 2020 05:48:04 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BB46E31B; Thu, 2 Apr 2020 02:48:03 -0700 (PDT) Received: from [10.57.59.199] (unknown [10.57.59.199]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B477A3F71E; Thu, 2 Apr 2020 02:48:01 -0700 (PDT) Subject: Re: [PATCH 1/3] rkisp1: Get rid of unused variable warning To: Ezequiel Garcia , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Hans Verkuil , kernel@collabora.com References: <20200401213721.24173-1-ezequiel@collabora.com> <20200401213721.24173-2-ezequiel@collabora.com> From: Robin Murphy Message-ID: Date: Thu, 2 Apr 2020 10:47:58 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200401213721.24173-2-ezequiel@collabora.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On 2020-04-01 10:37 pm, Ezequiel Garcia wrote: > If CONFIG_OF is not selected, the compiler will complain: > > drivers/staging/media/rkisp1/rkisp1-dev.c: In function ‘rkisp1_probe’: > drivers/staging/media/rkisp1/rkisp1-dev.c:457:22: warning: unused variable ‘node’ [-Wunused-variable] > 457 | struct device_node *node = pdev->dev.of_node; > > Rework the code slightly and make the compiler happy. > > Signed-off-by: Ezequiel Garcia > --- > drivers/staging/media/rkisp1/rkisp1-dev.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/staging/media/rkisp1/rkisp1-dev.c b/drivers/staging/media/rkisp1/rkisp1-dev.c > index b1b3c058e957..5e7e797aad71 100644 > --- a/drivers/staging/media/rkisp1/rkisp1-dev.c > +++ b/drivers/staging/media/rkisp1/rkisp1-dev.c > @@ -454,7 +454,6 @@ static void rkisp1_debug_init(struct rkisp1_device *rkisp1) > > static int rkisp1_probe(struct platform_device *pdev) > { > - struct device_node *node = pdev->dev.of_node; > const struct rkisp1_match_data *clk_data; > const struct of_device_id *match; > struct device *dev = &pdev->dev; > @@ -463,7 +462,7 @@ static int rkisp1_probe(struct platform_device *pdev) > unsigned int i; > int ret, irq; > > - match = of_match_node(rkisp1_of_match, node); > + match = of_match_node(rkisp1_of_match, pdev->dev.of_node); FWIW you could clean up "match" too by using of_device_get_match_data(). Robin. > rkisp1 = devm_kzalloc(dev, sizeof(*rkisp1), GFP_KERNEL); > if (!rkisp1) > return -ENOMEM; >