linux-kernel - Re: [PATCH 1/2] media: imx: Move capture device init to registered

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Date:   Sat, 24 Aug 2019 19:25:42 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Steve Longerbeam <slongerbeam@...il.com>
Cc:     kbuild-all@...org, linux-media@...r.kernel.org,
        "open list:STAGING SUBSYSTEM" <devel@...verdev.osuosl.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        open list <linux-kernel@...r.kernel.org>,
        NXP Linux Team <linux-imx@....com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Steve Longerbeam <slongerbeam@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/2] media: imx: Move capture device init to registered

Hi Steve,

I love your patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[cannot apply to v5.3-rc5 next-20190823]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Steve-Longerbeam/media-imx-Move-capture-device-init-to-registered/20190824-182241
base:   git://linuxtv.org/media_tree.git master
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=sparc64 

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

Note: the linux-review/Steve-Longerbeam/media-imx-Move-capture-device-init-to-registered/20190824-182241 HEAD 7c4284abbf1ba252792db5645a7004bd033dd3b0 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/staging/media/imx/imx-ic-prpencvf.c: In function 'prp_registered':
>> drivers/staging/media/imx/imx-ic-prpencvf.c:1274:45: error: 'ic_priv' undeclared (first use in this function); did you mean 'priv'?
     priv->vdev = imx_media_capture_device_init(ic_priv->ipu_dev,
                                                ^~~~~~~
                                                priv
   drivers/staging/media/imx/imx-ic-prpencvf.c:1274:45: note: each undeclared identifier is reported only once for each function it appears in

vim +1274 drivers/staging/media/imx/imx-ic-prpencvf.c

  1242	
  1243	/*
  1244	 * retrieve our pads parsed from the OF graph by the media device
  1245	 */
  1246	static int prp_registered(struct v4l2_subdev *sd)
  1247	{
  1248		struct prp_priv *priv = sd_to_priv(sd);
  1249		int i, ret;
  1250		u32 code;
  1251	
  1252		for (i = 0; i < PRPENCVF_NUM_PADS; i++) {
  1253			priv->pad[i].flags = (i == PRPENCVF_SINK_PAD) ?
  1254				MEDIA_PAD_FL_SINK : MEDIA_PAD_FL_SOURCE;
  1255	
  1256			/* set a default mbus format  */
  1257			imx_media_enum_ipu_format(&code, 0, CS_SEL_YUV);
  1258			ret = imx_media_init_mbus_fmt(&priv->format_mbus[i],
  1259						      640, 480, code, V4L2_FIELD_NONE,
  1260						      &priv->cc[i]);
  1261			if (ret)
  1262				return ret;
  1263		}
  1264	
  1265		/* init default frame interval */
  1266		priv->frame_interval.numerator = 1;
  1267		priv->frame_interval.denominator = 30;
  1268	
  1269		ret = media_entity_pads_init(&sd->entity, PRPENCVF_NUM_PADS,
  1270					     priv->pad);
  1271		if (ret)
  1272			return ret;
  1273	
> 1274		priv->vdev = imx_media_capture_device_init(ic_priv->ipu_dev,
  1275							   &ic_priv->sd,
  1276							   PRPENCVF_SRC_PAD);
  1277		if (IS_ERR(priv->vdev))
  1278			return PTR_ERR(priv->vdev);
  1279	
  1280		ret = imx_media_capture_device_register(priv->vdev);
  1281		if (ret)
  1282			goto remove_vdev;
  1283	
  1284		ret = prp_init_controls(priv);
  1285		if (ret)
  1286			goto unreg_vdev;
  1287	
  1288		return 0;
  1289	
  1290	unreg_vdev:
  1291		imx_media_capture_device_unregister(priv->vdev);
  1292	remove_vdev:
  1293		imx_media_capture_device_remove(priv->vdev);
  1294		return ret;
  1295	}
  1296	

---
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