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From: kernel test robot <lkp@intel.com>
To: Ming Qian <ming.qian@nxp.com>,
	mchehab@kernel.org, shawnguo@kernel.org, robh+dt@kernel.org,
	s.hauer@pengutronix.de
Cc: kbuild-all@lists.01.org, hverkuil-cisco@xs4all.nl,
	kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	aisheng.dong@nxp.com, linux-media@vger.kernel.org
Subject: Re: [PATCH v15 05/13] media: amphion: implement vpu core communication based on mailbox
Date: Tue, 25 Jan 2022 18:22:41 +0800	[thread overview]
Message-ID: <202201251843.dnXV2QBt-lkp@intel.com> (raw)
In-Reply-To: <e79fdc909c88773516ef875bc07039af534ff182.1643077283.git.ming.qian@nxp.com>

Hi Ming,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on e783362eb54cd99b2cac8b3a9aeac942e6f6ac07]

url:    https://github.com/0day-ci/linux/commits/Ming-Qian/amphion-video-decoder-encoder-driver/20220125-152112
base:   e783362eb54cd99b2cac8b3a9aeac942e6f6ac07
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220125/202201251843.dnXV2QBt-lkp@intel.com/config)
compiler: alpha-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://github.com/0day-ci/linux/commit/0c5b974ccd2c9ad228d908facc5c73e93c750600
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ming-Qian/amphion-video-decoder-encoder-driver/20220125-152112
        git checkout 0c5b974ccd2c9ad228d908facc5c73e93c750600
        # 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=alpha SHELL=/bin/bash drivers/media/platform/amphion/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/media/platform/amphion/vpu_core.c: In function 'vpu_core_register':
   drivers/media/platform/amphion/vpu_core.c:246:28: error: implicit declaration of function 'vzalloc'; did you mean 'kvzalloc'? [-Werror=implicit-function-declaration]
     246 |         core->msg_buffer = vzalloc(core->msg_buffer_size);
         |                            ^~~~~~~
         |                            kvzalloc
>> drivers/media/platform/amphion/vpu_core.c:246:26: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     246 |         core->msg_buffer = vzalloc(core->msg_buffer_size);
         |                          ^
   drivers/media/platform/amphion/vpu_core.c:270:17: error: implicit declaration of function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
     270 |                 vfree(core->msg_buffer);
         |                 ^~~~~
         |                 kvfree
   cc1: some warnings being treated as errors


vim +246 drivers/media/platform/amphion/vpu_core.c

78cda8a2c04ed7f Ming Qian 2022-01-25  228  
78cda8a2c04ed7f Ming Qian 2022-01-25  229  static int vpu_core_register(struct device *dev, struct vpu_core *core)
78cda8a2c04ed7f Ming Qian 2022-01-25  230  {
78cda8a2c04ed7f Ming Qian 2022-01-25  231  	struct vpu_dev *vpu = dev_get_drvdata(dev);
78cda8a2c04ed7f Ming Qian 2022-01-25  232  	int ret = 0;
78cda8a2c04ed7f Ming Qian 2022-01-25  233  
78cda8a2c04ed7f Ming Qian 2022-01-25  234  	dev_dbg(core->dev, "register core %s\n", vpu_core_type_desc(core->type));
78cda8a2c04ed7f Ming Qian 2022-01-25  235  	if (vpu_core_is_exist(vpu, core))
78cda8a2c04ed7f Ming Qian 2022-01-25  236  		return 0;
78cda8a2c04ed7f Ming Qian 2022-01-25  237  
78cda8a2c04ed7f Ming Qian 2022-01-25  238  	core->workqueue = alloc_workqueue("vpu", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
78cda8a2c04ed7f Ming Qian 2022-01-25  239  	if (!core->workqueue) {
78cda8a2c04ed7f Ming Qian 2022-01-25  240  		dev_err(core->dev, "fail to alloc workqueue\n");
78cda8a2c04ed7f Ming Qian 2022-01-25  241  		return -ENOMEM;
78cda8a2c04ed7f Ming Qian 2022-01-25  242  	}
78cda8a2c04ed7f Ming Qian 2022-01-25  243  	INIT_WORK(&core->msg_work, vpu_msg_run_work);
78cda8a2c04ed7f Ming Qian 2022-01-25  244  	INIT_DELAYED_WORK(&core->msg_delayed_work, vpu_msg_delayed_work);
78cda8a2c04ed7f Ming Qian 2022-01-25  245  	core->msg_buffer_size = roundup_pow_of_two(VPU_MSG_BUFFER_SIZE);
78cda8a2c04ed7f Ming Qian 2022-01-25 @246  	core->msg_buffer = vzalloc(core->msg_buffer_size);
78cda8a2c04ed7f Ming Qian 2022-01-25  247  	if (!core->msg_buffer) {
78cda8a2c04ed7f Ming Qian 2022-01-25  248  		dev_err(core->dev, "failed allocate buffer for fifo\n");
78cda8a2c04ed7f Ming Qian 2022-01-25  249  		ret = -ENOMEM;
78cda8a2c04ed7f Ming Qian 2022-01-25  250  		goto error;
78cda8a2c04ed7f Ming Qian 2022-01-25  251  	}
78cda8a2c04ed7f Ming Qian 2022-01-25  252  	ret = kfifo_init(&core->msg_fifo, core->msg_buffer, core->msg_buffer_size);
78cda8a2c04ed7f Ming Qian 2022-01-25  253  	if (ret) {
78cda8a2c04ed7f Ming Qian 2022-01-25  254  		dev_err(core->dev, "failed init kfifo\n");
78cda8a2c04ed7f Ming Qian 2022-01-25  255  		goto error;
78cda8a2c04ed7f Ming Qian 2022-01-25  256  	}
78cda8a2c04ed7f Ming Qian 2022-01-25  257  
78cda8a2c04ed7f Ming Qian 2022-01-25  258  	list_add_tail(&core->list, &vpu->cores);
78cda8a2c04ed7f Ming Qian 2022-01-25  259  
78cda8a2c04ed7f Ming Qian 2022-01-25  260  	vpu_core_get_vpu(core);
78cda8a2c04ed7f Ming Qian 2022-01-25  261  
78cda8a2c04ed7f Ming Qian 2022-01-25  262  	if (vpu_iface_get_power_state(core))
78cda8a2c04ed7f Ming Qian 2022-01-25  263  		ret = vpu_core_restore(core);
78cda8a2c04ed7f Ming Qian 2022-01-25  264  	if (ret)
78cda8a2c04ed7f Ming Qian 2022-01-25  265  		goto error;
78cda8a2c04ed7f Ming Qian 2022-01-25  266  
78cda8a2c04ed7f Ming Qian 2022-01-25  267  	return 0;
78cda8a2c04ed7f Ming Qian 2022-01-25  268  error:
78cda8a2c04ed7f Ming Qian 2022-01-25  269  	if (core->msg_buffer) {
78cda8a2c04ed7f Ming Qian 2022-01-25  270  		vfree(core->msg_buffer);
78cda8a2c04ed7f Ming Qian 2022-01-25  271  		core->msg_buffer = NULL;
78cda8a2c04ed7f Ming Qian 2022-01-25  272  	}
78cda8a2c04ed7f Ming Qian 2022-01-25  273  	if (core->workqueue) {
78cda8a2c04ed7f Ming Qian 2022-01-25  274  		destroy_workqueue(core->workqueue);
78cda8a2c04ed7f Ming Qian 2022-01-25  275  		core->workqueue = NULL;
78cda8a2c04ed7f Ming Qian 2022-01-25  276  	}
78cda8a2c04ed7f Ming Qian 2022-01-25  277  	return ret;
78cda8a2c04ed7f Ming Qian 2022-01-25  278  }
78cda8a2c04ed7f Ming Qian 2022-01-25  279  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

  reply	other threads:[~2022-01-25 10:33 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-25  7:11 [PATCH v15 00/13] amphion video decoder/encoder driver Ming Qian
2022-01-25  7:11 ` [PATCH v15 01/13] dt-bindings: media: amphion: add amphion video codec bindings Ming Qian
2022-01-25  7:11 ` [PATCH v15 02/13] media: add nv12m_8l128 and nv12m_10be_8l128 video format Ming Qian
2022-01-25  7:11 ` [PATCH v15 03/13] media: amphion: add amphion vpu device driver Ming Qian
2022-01-25  7:11 ` [PATCH v15 04/13] media: amphion: add vpu core driver Ming Qian
2022-01-25  7:11 ` [PATCH v15 05/13] media: amphion: implement vpu core communication based on mailbox Ming Qian
2022-01-25 10:22   ` kernel test robot [this message]
2022-01-25  7:11 ` [PATCH v15 06/13] media: amphion: add vpu v4l2 m2m support Ming Qian
2022-01-25  7:11 ` [PATCH v15 07/13] media: amphion: add v4l2 m2m vpu encoder stateful driver Ming Qian
2022-01-25 11:34   ` kernel test robot
2022-01-25  7:11 ` [PATCH v15 08/13] media: amphion: add v4l2 m2m vpu decoder " Ming Qian
2022-01-25 12:29   ` kernel test robot
2022-01-25  7:11 ` [PATCH v15 09/13] media: amphion: implement windsor encoder rpc interface Ming Qian
2022-01-25  7:11 ` [PATCH v15 10/13] media: amphion: implement malone decoder " Ming Qian
2022-01-25  7:11 ` [PATCH v15 11/13] ARM64: dts: freescale: imx8q: add imx vpu codec entries Ming Qian
2022-01-25  7:11 ` [PATCH v15 12/13] firmware: imx: scu-pd: imx8q: add vpu mu resources Ming Qian
2022-01-25 12:24   ` Hans Verkuil
2022-01-25  7:11 ` [PATCH v15 13/13] MAINTAINERS: add AMPHION VPU CODEC V4L2 driver entry Ming Qian
2022-01-25 17:19   ` Joe Perches
2022-01-25 12:07 ` [PATCH v15 00/13] amphion video decoder/encoder driver Hans Verkuil
2022-01-25 12:25   ` Hans Verkuil
2022-02-10  9:16     ` [EXT] " Ming Qian
2022-01-25 13:10   ` 回复: " Ming Qian

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