devfn_to_wslot
hpdev = get_pcichild_wslot(hbus, devfn_to_wslot(devfn));
hpdev = get_pcichild_wslot(hbus, devfn_to_wslot(devfn));
read_blk->wslot.slot = devfn_to_wslot(pdev->devfn);
write_blk->wslot.slot = devfn_to_wslot(pdev->devfn);
hpdev = get_pcichild_wslot(hbus, devfn_to_wslot(pdev->devfn));
hpdev = get_pcichild_wslot(hbus, devfn_to_wslot(pdev->devfn));
hpdev = get_pcichild_wslot(hbus, devfn_to_wslot(pdev->devfn));
hv_dev = get_pcichild_wslot(hbus, devfn_to_wslot(dev->devfn));