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Subjectdrivers/media/platform/omap/omap_vout.c:2040:21: warning: cast to pointer from integer of different size
Hi Hans,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: deacdb3e3979979016fcd0ffd518c320a62ad166
commit: 839b9d2c59b3b3e74cb58b457615ff61154d8a41 media: omap_vout: fix various v4l2-compliance failures
date: 12 months ago
config: i386-randconfig-r032-20200731 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
git checkout 839b9d2c59b3b3e74cb58b457615ff61154d8a41
# save the attached .config to linux build tree
make W=1 ARCH=i386

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/omap/omap_vout.c: In function 'omap_vout_create_video_devices':
>> drivers/media/platform/omap/omap_vout.c:2040:21: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
2040 | vout->fbuf.base = (void *)info.paddr;
| ^

vim +2040 drivers/media/platform/omap/omap_vout.c

1999
2000 /* Create video out devices */
2001 static int __init omap_vout_create_video_devices(struct platform_device *pdev)
2002 {
2003 int ret = 0, k;
2004 struct omap_vout_device *vout;
2005 struct video_device *vfd = NULL;
2006 struct v4l2_device *v4l2_dev = platform_get_drvdata(pdev);
2007 struct omap2video_device *vid_dev = container_of(v4l2_dev,
2008 struct omap2video_device, v4l2_dev);
2009 struct omap_overlay *ovl = vid_dev->overlays[0];
2010 struct omap_overlay_info info;
2011
2012 ovl->get_overlay_info(ovl, &info);
2013
2014 for (k = 0; k < pdev->num_resources; k++) {
2015
2016 vout = kzalloc(sizeof(struct omap_vout_device), GFP_KERNEL);
2017 if (!vout) {
2018 dev_err(&pdev->dev, ": could not allocate memory\n");
2019 return -ENOMEM;
2020 }
2021
2022 vout->vid = k;
2023 vid_dev->vouts[k] = vout;
2024 vout->vid_dev = vid_dev;
2025 /* Select video2 if only 1 overlay is controlled by V4L2 */
2026 if (pdev->num_resources == 1)
2027 vout->vid_info.overlays[0] = vid_dev->overlays[k + 2];
2028 else
2029 /* Else select video1 and video2 one by one. */
2030 vout->vid_info.overlays[0] = vid_dev->overlays[k + 1];
2031 vout->vid_info.num_overlays = 1;
2032 vout->vid_info.id = k + 1;
2033 /*
2034 * Set the framebuffer base, this allows applications to find
2035 * the fb corresponding to this overlay.
2036 *
2037 * To be precise: fbuf.base should match smem_start of
2038 * struct fb_fix_screeninfo.
2039 */
> 2040 vout->fbuf.base = (void *)info.paddr;
2041
2042 /* Set VRFB as rotation_type for omap2 and omap3 */
2043 if (omap_vout_dss_omap24xx() || omap_vout_dss_omap34xx())
2044 vout->vid_info.rotation_type = VOUT_ROT_VRFB;
2045
2046 /* Setup the default configuration for the video devices
2047 */
2048 if (omap_vout_setup_video_data(vout) != 0) {
2049 ret = -ENOMEM;
2050 goto error;
2051 }
2052
2053 /* Allocate default number of buffers for the video streaming
2054 * and reserve the VRFB space for rotation
2055 */
2056 if (omap_vout_setup_video_bufs(pdev, k) != 0) {
2057 ret = -ENOMEM;
2058 goto error1;
2059 }
2060
2061 /* Register the Video device with V4L2
2062 */
2063 vfd = vout->vfd;
2064 if (video_register_device(vfd, VFL_TYPE_GRABBER, -1) < 0) {
2065 dev_err(&pdev->dev,
2066 ": Could not register Video for Linux device\n");
2067 vfd->minor = -1;
2068 ret = -ENODEV;
2069 goto error2;
2070 }
2071 video_set_drvdata(vfd, vout);
2072
2073 dev_info(&pdev->dev,
2074 ": registered and initialized video device %d\n",
2075 vfd->minor);
2076 if (k == (pdev->num_resources - 1))
2077 return 0;
2078
2079 continue;
2080 error2:
2081 if (vout->vid_info.rotation_type == VOUT_ROT_VRFB)
2082 omap_vout_release_vrfb(vout);
2083 omap_vout_free_buffers(vout);
2084 error1:
2085 video_device_release(vfd);
2086 error:
2087 kfree(vout);
2088 return ret;
2089 }
2090
2091 return -ENODEV;
2092 }
2093 /* Driver functions */
2094 static void omap_vout_cleanup_device(struct omap_vout_device *vout)
2095 {
2096 struct video_device *vfd;
2097 struct omapvideo_info *ovid;
2098
2099 if (!vout)
2100 return;
2101
2102 vfd = vout->vfd;
2103 ovid = &vout->vid_info;
2104 if (vfd) {
2105 if (!video_is_registered(vfd)) {
2106 /*
2107 * The device was never registered, so release the
2108 * video_device struct directly.
2109 */
2110 video_device_release(vfd);
2111 } else {
2112 /*
2113 * The unregister function will release the video_device
2114 * struct as well as unregistering it.
2115 */
2116 video_unregister_device(vfd);
2117 }
2118 }
2119 v4l2_ctrl_handler_free(&vout->ctrl_handler);
2120 if (ovid->rotation_type == VOUT_ROT_VRFB) {
2121 omap_vout_release_vrfb(vout);
2122 /* Free the VRFB buffer if allocated
2123 * init time
2124 */
2125 if (vout->vrfb_static_allocation)
2126 omap_vout_free_vrfb_buffers(vout);
2127 }
2128 omap_vout_free_buffers(vout);
2129
2130 kfree(vout);
2131 }
2132

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