ufshcd_alloc_host
EXPORT_SYMBOL(ufshcd_alloc_host);
err = ufshcd_alloc_host(&pdev->dev, &hba);
err = ufshcd_alloc_host(&pdev->dev, &hba);
err = ufshcd_alloc_host(dev, &hba);
int ufshcd_alloc_host(struct device *, struct ufs_hba **);