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 696E9C433F5 for ; Wed, 27 Apr 2022 17:27:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243994AbiD0Ra4 (ORCPT ); Wed, 27 Apr 2022 13:30:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229534AbiD0Ray (ORCPT ); Wed, 27 Apr 2022 13:30:54 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CD5D73789 for ; Wed, 27 Apr 2022 10:27:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651080462; x=1682616462; h=date:from:to:cc:subject:message-id:mime-version; bh=ZCqRL2nULn+c4atR1gdffjMJlGxdVmYqnHfTcJl0rik=; b=Bij0y43y8qL80Ss1vnFy4WWbG9pNfIPkzUFADIshmcRuyT6d7ALxPQ6T aWaUTJn5zXtIrMtEPXkNVwipZXJonQjbyWnprqMQEXvgHdplzQbSBRag4 e408uv6+/0z0WFSIRZYIv6aeVXnY60pfXnY+PNrTyc6EtlBLPZY+vSuYp 1ZDdYJC2sY1HsQq4MXEhbbttT2LfpA73QjQf0EM3h1Al+mVBjVus0kxNf YKsYvEXfKgCtHFjK2nvr/NaqDEUQG87lEq1bgB1s1zD78NcbPMf381Umi Wp8+g3XtzTu4hH8X1Vi8bQFsRAsySoa3ZLF2CQKuIidfMjGxrhe/lfkZU g==; X-IronPort-AV: E=McAfee;i="6400,9594,10330"; a="266171895" X-IronPort-AV: E=Sophos;i="5.90,293,1643702400"; d="scan'208";a="266171895" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Apr 2022 10:27:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,293,1643702400"; d="scan'208";a="876757424" Received: from lkp-server01.sh.intel.com (HELO 5056e131ad90) ([10.239.97.150]) by fmsmga005.fm.intel.com with ESMTP; 27 Apr 2022 10:27:40 -0700 Received: from kbuild by 5056e131ad90 with local (Exim 4.95) (envelope-from ) id 1njlRz-0004oo-Dk; Wed, 27 Apr 2022 17:27:39 +0000 Date: Thu, 28 Apr 2022 01:27:16 +0800 From: kernel test robot To: Chen-Yu Tsai Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Stephen Boyd , Miles Chen , AngeloGioacchino Del Regno , Chun-Jie Chen Subject: drivers/clk/mediatek/clk-pll.c:418:23: warning: variable 'base' set but not used Message-ID: <202204280114.eJS2jGX1-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Chen-Yu, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 46cf2c613f4b10eb12f749207b0fd2c1bfae3088 commit: 6dd199064dd86127030b5bc59d4058370b6c8310 clk: mediatek: pll: Implement unregister API date: 10 weeks ago config: sh-randconfig-r016-20220427 (https://download.01.org/0day-ci/archive/20220428/202204280114.eJS2jGX1-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6dd199064dd86127030b5bc59d4058370b6c8310 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6dd199064dd86127030b5bc59d4058370b6c8310 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/clk/mediatek/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/clk/mediatek/clk-pll.c: In function 'mtk_clk_unregister_plls': >> drivers/clk/mediatek/clk-pll.c:418:23: warning: variable 'base' set but not used [-Wunused-but-set-variable] 418 | __iomem void *base = NULL; | ^~~~ vim +/base +418 drivers/clk/mediatek/clk-pll.c 414 415 void mtk_clk_unregister_plls(const struct mtk_pll_data *plls, int num_plls, 416 struct clk_onecell_data *clk_data) 417 { > 418 __iomem void *base = NULL; 419 int i; 420 421 if (!clk_data) 422 return; 423 424 for (i = num_plls; i > 0; i--) { 425 const struct mtk_pll_data *pll = &plls[i - 1]; 426 427 if (IS_ERR_OR_NULL(clk_data->clks[pll->id])) 428 continue; 429 430 /* 431 * This is quite ugly but unfortunately the clks don't have 432 * any device tied to them, so there's no place to store the 433 * pointer to the I/O region base address. We have to fetch 434 * it from one of the registered clks. 435 */ 436 base = mtk_clk_pll_get_base(clk_data->clks[pll->id], pll); 437 438 mtk_clk_unregister_pll(clk_data->clks[pll->id]); 439 clk_data->clks[pll->id] = ERR_PTR(-ENOENT); 440 } 441 442 iounmap(base); 443 } 444 EXPORT_SYMBOL_GPL(mtk_clk_unregister_plls); 445 -- 0-DAY CI Kernel Test Service https://01.org/lkp