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Message-ID: <202103111031.2LEoY4rl-lkp@intel.com>
Date:   Thu, 11 Mar 2021 10:49:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Mirela Rabulea (OSS)" <mirela.rabulea@....nxp.com>,
        mchehab@...nel.org, hverkuil-cisco@...all.nl, shawnguo@...nel.org,
        robh+dt@...nel.org, p.zabel@...gutronix.de
Cc:     kbuild-all@...ts.01.org, paul.kocialkowski@...tlin.com,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-imx@....com, s.hauer@...gutronix.de
Subject: Re: [PATCH v9 6/8] media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG
 Encoder/Decoder

Hi "Mirela,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on shawnguo/for-next robh/for-next linus/master v5.12-rc2 next-20210310]
[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/0day-ci/linux/commits/Mirela-Rabulea-OSS/Add-V4L2-driver-for-i-MX8-JPEG-Encoder-Decoder/20210311-083324
base:   git://linuxtv.org/media_tree.git master
config: microblaze-randconfig-r021-20210308 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
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://github.com/0day-ci/linux/commit/c6db61a15ca1a173f200f4a2344b3198652d64a6
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mirela-Rabulea-OSS/Add-V4L2-driver-for-i-MX8-JPEG-Encoder-Decoder/20210311-083324
        git checkout c6db61a15ca1a173f200f4a2344b3198652d64a6
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 

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

All warnings (new ones prefixed by >>):

   drivers/media/platform/imx-jpeg/mxc-jpeg.c: In function 'mxc_jpeg_probe':
>> drivers/media/platform/imx-jpeg/mxc-jpeg.c:1967:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    1967 |  mode = (int)(u64)of_id->data;
         |              ^


vim +1967 drivers/media/platform/imx-jpeg/mxc-jpeg.c

  1954	
  1955	static int mxc_jpeg_probe(struct platform_device *pdev)
  1956	{
  1957		struct mxc_jpeg_dev *jpeg;
  1958		struct device *dev = &pdev->dev;
  1959		struct resource *res;
  1960		int dec_irq;
  1961		int ret;
  1962		int mode;
  1963		const struct of_device_id *of_id;
  1964		unsigned int slot;
  1965	
  1966		of_id = of_match_node(mxc_jpeg_match, dev->of_node);
> 1967		mode = (int)(u64)of_id->data;
  1968	
  1969		jpeg = devm_kzalloc(dev, sizeof(struct mxc_jpeg_dev), GFP_KERNEL);
  1970		if (!jpeg)
  1971			return -ENOMEM;
  1972	
  1973		mutex_init(&jpeg->lock);
  1974		spin_lock_init(&jpeg->hw_lock);
  1975	
  1976		ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
  1977		if (ret) {
  1978			dev_err(&pdev->dev, "No suitable DMA available.\n");
  1979			goto err_irq;
  1980		}
  1981	
  1982		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  1983		jpeg->base_reg = devm_ioremap_resource(&pdev->dev, res);
  1984		if (IS_ERR(jpeg->base_reg))
  1985			return PTR_ERR(jpeg->base_reg);
  1986	
  1987		for (slot = 0; slot < MXC_MAX_SLOTS; slot++) {
  1988			dec_irq = platform_get_irq(pdev, slot);
  1989			if (dec_irq < 0) {
  1990				dev_err(&pdev->dev, "Failed to get irq %d\n", dec_irq);
  1991				ret = dec_irq;
  1992				goto err_irq;
  1993			}
  1994			ret = devm_request_irq(&pdev->dev, dec_irq, mxc_jpeg_dec_irq,
  1995					       0, pdev->name, jpeg);
  1996			if (ret) {
  1997				dev_err(&pdev->dev, "Failed to request irq %d (%d)\n",
  1998					dec_irq, ret);
  1999				goto err_irq;
  2000			}
  2001		}
  2002	
  2003		jpeg->pdev = pdev;
  2004		jpeg->dev = dev;
  2005		jpeg->mode = mode;
  2006	
  2007		ret = mxc_jpeg_attach_pm_domains(jpeg);
  2008		if (ret < 0) {
  2009			dev_err(dev, "failed to attach power domains %d\n", ret);
  2010			return ret;
  2011		}
  2012	
  2013		/* v4l2 */
  2014		ret = v4l2_device_register(dev, &jpeg->v4l2_dev);
  2015		if (ret) {
  2016			dev_err(dev, "failed to register v4l2 device\n");
  2017			goto err_register;
  2018		}
  2019		jpeg->m2m_dev = v4l2_m2m_init(&mxc_jpeg_m2m_ops);
  2020		if (IS_ERR(jpeg->m2m_dev)) {
  2021			dev_err(dev, "failed to register v4l2 device\n");
  2022			goto err_m2m;
  2023		}
  2024	
  2025		jpeg->dec_vdev = video_device_alloc();
  2026		if (!jpeg->dec_vdev) {
  2027			dev_err(dev, "failed to register v4l2 device\n");
  2028			goto err_vdev_alloc;
  2029		}
  2030		if (mode == MXC_JPEG_ENCODE)
  2031			snprintf(jpeg->dec_vdev->name,
  2032				 sizeof(jpeg->dec_vdev->name),
  2033				 "%s-enc", MXC_JPEG_NAME);
  2034		else
  2035			snprintf(jpeg->dec_vdev->name,
  2036				 sizeof(jpeg->dec_vdev->name),
  2037				 "%s-dec", MXC_JPEG_NAME);
  2038	
  2039		jpeg->dec_vdev->fops = &mxc_jpeg_fops;
  2040		jpeg->dec_vdev->ioctl_ops = &mxc_jpeg_ioctl_ops;
  2041		jpeg->dec_vdev->minor = -1;
  2042		jpeg->dec_vdev->release = video_device_release;
  2043		jpeg->dec_vdev->lock = &jpeg->lock; /* lock for ioctl serialization */
  2044		jpeg->dec_vdev->v4l2_dev = &jpeg->v4l2_dev;
  2045		jpeg->dec_vdev->vfl_dir = VFL_DIR_M2M;
  2046		jpeg->dec_vdev->device_caps = V4L2_CAP_STREAMING |
  2047						V4L2_CAP_VIDEO_M2M_MPLANE;
  2048		if (mode == MXC_JPEG_ENCODE) {
  2049			v4l2_disable_ioctl(jpeg->dec_vdev, VIDIOC_DECODER_CMD);
  2050			v4l2_disable_ioctl(jpeg->dec_vdev, VIDIOC_TRY_DECODER_CMD);
  2051		} else {
  2052			v4l2_disable_ioctl(jpeg->dec_vdev, VIDIOC_ENCODER_CMD);
  2053			v4l2_disable_ioctl(jpeg->dec_vdev, VIDIOC_TRY_ENCODER_CMD);
  2054		}
  2055		ret = video_register_device(jpeg->dec_vdev, VFL_TYPE_VIDEO, -1);
  2056		if (ret) {
  2057			dev_err(dev, "failed to register video device\n");
  2058			goto err_vdev_register;
  2059		}
  2060		video_set_drvdata(jpeg->dec_vdev, jpeg);
  2061		if (mode == MXC_JPEG_ENCODE)
  2062			v4l2_info(&jpeg->v4l2_dev,
  2063				  "encoder device registered as /dev/video%d (%d,%d)\n",
  2064				  jpeg->dec_vdev->num, VIDEO_MAJOR,
  2065				  jpeg->dec_vdev->minor);
  2066		else
  2067			v4l2_info(&jpeg->v4l2_dev,
  2068				  "decoder device registered as /dev/video%d (%d,%d)\n",
  2069				  jpeg->dec_vdev->num, VIDEO_MAJOR,
  2070				  jpeg->dec_vdev->minor);
  2071	
  2072		platform_set_drvdata(pdev, jpeg);
  2073	
  2074		return 0;
  2075	
  2076	err_vdev_register:
  2077		video_device_release(jpeg->dec_vdev);
  2078	
  2079	err_vdev_alloc:
  2080		v4l2_m2m_release(jpeg->m2m_dev);
  2081	
  2082	err_m2m:
  2083		v4l2_device_unregister(&jpeg->v4l2_dev);
  2084	
  2085	err_register:
  2086	err_irq:
  2087		return ret;
  2088	}
  2089	

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

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