From 03c278f01d70ce168a24f85a08e11636df30f580 Mon Sep 17 00:00:00 2001 From: "Lad, Prabhakar" Date: Tue, 10 Mar 2015 14:53:05 -0300 Subject: [PATCH] [media] media: davinci: vpfe_capture: embed video_device Embed the video_device struct to simplify the error handling and in order to (eventually) get rid of video_device_alloc/release. Signed-off-by: Lad, Prabhakar Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/davinci/vpfe_capture.c | 26 +++++-------------- include/media/davinci/vpfe_capture.h | 2 +- 2 files changed, 8 insertions(+), 20 deletions(-) diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c index b41bf7e822c8..ccfcf3f528d3 100644 --- a/drivers/media/platform/davinci/vpfe_capture.c +++ b/drivers/media/platform/davinci/vpfe_capture.c @@ -1871,16 +1871,9 @@ static int vpfe_probe(struct platform_device *pdev) goto probe_free_ccdc_cfg_mem; } - /* Allocate memory for video device */ - vfd = video_device_alloc(); - if (NULL == vfd) { - ret = -ENOMEM; - v4l2_err(pdev->dev.driver, "Unable to alloc video device\n"); - goto probe_out_release_irq; - } - + vfd = &vpfe_dev->video_dev; /* Initialize field of video device */ - vfd->release = video_device_release; + vfd->release = video_device_release_empty; vfd->fops = &vpfe_fops; vfd->ioctl_ops = &vpfe_ioctl_ops; vfd->tvnorms = 0; @@ -1891,14 +1884,12 @@ static int vpfe_probe(struct platform_device *pdev) (VPFE_CAPTURE_VERSION_CODE >> 16) & 0xff, (VPFE_CAPTURE_VERSION_CODE >> 8) & 0xff, (VPFE_CAPTURE_VERSION_CODE) & 0xff); - /* Set video_dev to the video device */ - vpfe_dev->video_dev = vfd; ret = v4l2_device_register(&pdev->dev, &vpfe_dev->v4l2_dev); if (ret) { v4l2_err(pdev->dev.driver, "Unable to register v4l2 device.\n"); - goto probe_out_video_release; + goto probe_out_release_irq; } v4l2_info(&vpfe_dev->v4l2_dev, "v4l2 device registered\n"); spin_lock_init(&vpfe_dev->irqlock); @@ -1914,7 +1905,7 @@ static int vpfe_probe(struct platform_device *pdev) v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "video_dev=%p\n", &vpfe_dev->video_dev); vpfe_dev->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - ret = video_register_device(vpfe_dev->video_dev, + ret = video_register_device(&vpfe_dev->video_dev, VFL_TYPE_GRABBER, -1); if (ret) { @@ -1927,7 +1918,7 @@ static int vpfe_probe(struct platform_device *pdev) /* set the driver data in platform device */ platform_set_drvdata(pdev, vpfe_dev); /* set driver private data */ - video_set_drvdata(vpfe_dev->video_dev, vpfe_dev); + video_set_drvdata(&vpfe_dev->video_dev, vpfe_dev); i2c_adap = i2c_get_adapter(vpfe_cfg->i2c_adapter_id); num_subdevs = vpfe_cfg->num_subdevs; vpfe_dev->sd = kmalloc(sizeof(struct v4l2_subdev *) * num_subdevs, @@ -1979,12 +1970,9 @@ static int vpfe_probe(struct platform_device *pdev) probe_sd_out: kfree(vpfe_dev->sd); probe_out_video_unregister: - video_unregister_device(vpfe_dev->video_dev); + video_unregister_device(&vpfe_dev->video_dev); probe_out_v4l2_unregister: v4l2_device_unregister(&vpfe_dev->v4l2_dev); -probe_out_video_release: - if (!video_is_registered(vpfe_dev->video_dev)) - video_device_release(vpfe_dev->video_dev); probe_out_release_irq: free_irq(vpfe_dev->ccdc_irq0, vpfe_dev); probe_free_ccdc_cfg_mem: @@ -2007,7 +1995,7 @@ static int vpfe_remove(struct platform_device *pdev) free_irq(vpfe_dev->ccdc_irq0, vpfe_dev); kfree(vpfe_dev->sd); v4l2_device_unregister(&vpfe_dev->v4l2_dev); - video_unregister_device(vpfe_dev->video_dev); + video_unregister_device(&vpfe_dev->video_dev); kfree(vpfe_dev); kfree(ccdc_cfg); return 0; diff --git a/include/media/davinci/vpfe_capture.h b/include/media/davinci/vpfe_capture.h index 288772e6900a..28bcd71cdd26 100644 --- a/include/media/davinci/vpfe_capture.h +++ b/include/media/davinci/vpfe_capture.h @@ -102,7 +102,7 @@ struct vpfe_config { struct vpfe_device { /* V4l2 specific parameters */ /* Identifies video device for this channel */ - struct video_device *video_dev; + struct video_device video_dev; /* sub devices */ struct v4l2_subdev **sd; /* vpfe cfg */ -- 2.20.1