From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DDD25367 for ; Sat, 14 May 2022 10:42:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652524960; x=1684060960; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=owL2E8dN4WOVXiXSAA2t80U2WaZOkvUVbpuMiP4wVM8=; b=KUAzKCDAXWM/iIy2SdyQhKsV+PVroS/hVY8Me9Cq62SI3LHFrTslyW8F EQ7Mpv86ZP1zHmJIRg6b/KKXC/vw2B9Ezx7B+ngIEHOpOlyd9hUswG5WG nP/JGlH0W6U5wpDLKzGhQJvdjRIsb8jTQWrSsD2kwn9Jj5pNS6DML0WBu rCJ9FbVnqY7E7F34ZHG7hTM0cYc3C+yo5POgPgKlGFPTBbcMjXDF/hmEd NCaTK1Yf3OMG1dG8qSOD62wtrxbe8Aq4gO088x47m/O0QdCbMfSG3VZLo sZxzn+SnVvHEdBoHkioCJsYnKXFtXbEczKS7VzvfA0zeuUDmJ52vE+/JC A==; X-IronPort-AV: E=McAfee;i="6400,9594,10346"; a="250402860" X-IronPort-AV: E=Sophos;i="5.91,225,1647327600"; d="scan'208";a="250402860" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 May 2022 03:42:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,225,1647327600"; d="scan'208";a="595648948" Received: from lkp-server01.sh.intel.com (HELO d1462bc4b09b) ([10.239.97.150]) by orsmga008.jf.intel.com with ESMTP; 14 May 2022 03:42:36 -0700 Received: from kbuild by d1462bc4b09b with local (Exim 4.95) (envelope-from ) id 1nppEJ-0000Vx-Ds; Sat, 14 May 2022 10:42:35 +0000 Date: Sat, 14 May 2022 18:41:37 +0800 From: kernel test robot To: Marvin Lin , mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, openbmc@lists.ozlabs.org, avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com, kwliu@nuvoton.com, kflin@nuvoton.com Subject: Re: [PATCH v2 5/5] drivers: media: platform: Add NPCM Video Capture/Encode Engine driver Message-ID: <202205141815.QVBWWaqM-lkp@intel.com> References: <20220513033450.7038-6-kflin@nuvoton.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220513033450.7038-6-kflin@nuvoton.com> Hi Marvin, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on linux/master linus/master v5.18-rc6] [cannot apply to media-tree/master next-20220513] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Marvin-Lin/Support-Nuvoton-NPCM-Video-Capture-Encode-Engine/20220513-113806 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220514/202205141815.QVBWWaqM-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 38189438b69ca27b4c6ce707c52dbd217583d046) 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://github.com/intel-lab-lkp/linux/commit/7fa1f7750e7317479ce2c2c043b44fa19c46b1a8 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Marvin-Lin/Support-Nuvoton-NPCM-Video-Capture-Encode-Engine/20220513-113806 git checkout 7fa1f7750e7317479ce2c2c043b44fa19c46b1a8 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/media/platform/nuvoton/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/platform/nuvoton/npcm-video.c:1776:6: warning: variable 'empty' set but not used [-Wunused-but-set-variable] int empty; ^ 1 warning generated. vim +/empty +1776 drivers/media/platform/nuvoton/npcm-video.c 1773 1774 static void nuvoton_video_buf_queue(struct vb2_buffer *vb) 1775 { > 1776 int empty; 1777 struct nuvoton_video *video = vb2_get_drv_priv(vb->vb2_queue); 1778 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1779 struct nuvoton_video_buffer *nvb = to_nuvoton_video_buffer(vbuf); 1780 unsigned long flags; 1781 1782 dev_dbg(video->dev, "%s\n", __func__); 1783 1784 spin_lock_irqsave(&video->lock, flags); 1785 empty = list_empty(&video->buffers); 1786 list_add_tail(&nvb->link, &video->buffers); 1787 spin_unlock_irqrestore(&video->lock, flags); 1788 } 1789 -- 0-DAY CI Kernel Test Service https://01.org/lkp