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 53CDFC433EF for ; Mon, 4 Apr 2022 11:42:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376381AbiDDLod (ORCPT ); Mon, 4 Apr 2022 07:44:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238787AbiDDLob (ORCPT ); Mon, 4 Apr 2022 07:44:31 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69492616B for ; Mon, 4 Apr 2022 04:42:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1649072555; x=1680608555; h=date:from:to:cc:subject:message-id:mime-version; bh=qZ249cS9BHhypOiO6l0ngEL97rK/THlJmqIZmeCvttM=; b=MrJykNzQM0CO9g+tKo0HqIvtSVSXdxKbVBS0YZhF8JmKlRpAXpVZ9Zi2 lBiwClj+nFB6u6SFwPVUSO1zaZmlDapUeeJlcWPIMjVhNh02aUkL1qxli DIPBsoO/0RX3UOau7AGf9OF9GA9Zo2ayVwhx02rLosbrcTx+x2SNSIju0 PtqEWjC6hWcs9bj++B3V7riKymUu7OAmokDxwO+B3ASRv6G39Nbj/ZAqC RiLWXD7+ckqPPkIFWOxD+0YpN0oWIMaFTlHWSDlGLC/UqhBoVXuMV7uhi z41umwUnpiULPrcm+4GnacwtrNNjUboDMaXwMzYNhxq1i9voUnPnpGCfZ A==; X-IronPort-AV: E=McAfee;i="6200,9189,10306"; a="240431096" X-IronPort-AV: E=Sophos;i="5.90,234,1643702400"; d="scan'208";a="240431096" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Apr 2022 04:42:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,234,1643702400"; d="scan'208";a="548620396" Received: from lkp-server02.sh.intel.com (HELO a44fdfb70b94) ([10.239.97.151]) by orsmga007.jf.intel.com with ESMTP; 04 Apr 2022 04:42:12 -0700 Received: from kbuild by a44fdfb70b94 with local (Exim 4.95) (envelope-from ) id 1nbL64-00020j-3U; Mon, 04 Apr 2022 11:42:12 +0000 Date: Mon, 4 Apr 2022 19:41:17 +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: <202204041904.XbBQEwTe-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) 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: 3123109284176b1532874591f7c81f3837bbdc17 commit: 6dd199064dd86127030b5bc59d4058370b6c8310 clk: mediatek: pll: Implement unregister API date: 7 weeks ago config: sh-buildonly-randconfig-r002-20220404 (https://download.01.org/0day-ci/archive/20220404/202204041904.XbBQEwTe-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 11.2.0 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 to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross 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