On Tue, Feb 13, 2018 at 3:24 AM, Wu Hao <hao.wu@xxxxxxxxx> wrote:
Hi Hao,
> +static int
> +build_info_create_dev(struct build_feature_devs_info *binfo,
> + enum fpga_id_type type, const char *name,
> + void __iomem *ioaddr)
> +{
> + struct platform_device *fdev;
> + int ret;
> +
> + /* we will create a new device, commit current device first */
> + ret = build_info_commit_dev(binfo);
> + if (ret)
> + return ret;
> +
> + /*
> + * we use -ENODEV as the initialization indicator which indicates
> + * whether the id need to be reclaimed
> + */
> + fdev = platform_device_alloc(name, -ENODEV);
> + if (!fdev)
> + return -ENOMEM;
> +
> + binfo->feature_dev = fdev;
> + binfo->feature_num = 0;
> + binfo->ioaddr = ioaddr;
> + INIT_LIST_HEAD(&binfo->sub_features);
> +
> + fdev->id = alloc_fpga_id(type, &fdev->dev);
> + if (fdev->id < 0)
> + return fdev->id;
Do we need platform_device_put if returning here?
Alan
> +
> + fdev->dev.parent = &binfo->cdev->region.dev;
> +
> + return 0;
> +}
> +
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