69 static void rtas_disable_msi(struct pci_dev *pdev)  in rtas_disable_msi()  argument
73 	pdn = pci_get_pdn(pdev);  in rtas_disable_msi()
113 static void rtas_teardown_msi_irqs(struct pci_dev *pdev)  in rtas_teardown_msi_irqs()  argument
117 	for_each_pci_msi_entry(entry, pdev) {  in rtas_teardown_msi_irqs()
125 	rtas_disable_msi(pdev);  in rtas_teardown_msi_irqs()
128 static int check_req(struct pci_dev *pdev, int nvec, char *prop_name)  in check_req()  argument
134 	dn = pci_device_to_OF_node(pdev);  in check_req()
155 static int check_req_msi(struct pci_dev *pdev, int nvec)  in check_req_msi()  argument
157 	return check_req(pdev, nvec, "ibm,req#msi");  in check_req_msi()
160 static int check_req_msix(struct pci_dev *pdev, int nvec)  in check_req_msix()  argument
162 	return check_req(pdev, nvec, "ibm,req#msi-x");  in check_req_msix()
204 	dn = pci_device_to_OF_node(edev->pdev);  in find_pe_dn()
333 static int check_msix_entries(struct pci_dev *pdev)  in check_msix_entries()  argument
343 	for_each_pci_msi_entry(entry, pdev) {  in check_msix_entries()
354 static void rtas_hack_32bit_msi_gen2(struct pci_dev *pdev)  in rtas_hack_32bit_msi_gen2()  argument
363 	dev_info(&pdev->dev,  in rtas_hack_32bit_msi_gen2()
365 	pci_read_config_dword(pdev, pdev->msi_cap + PCI_MSI_ADDRESS_HI, &addr_hi);  in rtas_hack_32bit_msi_gen2()
367 	pci_write_config_dword(pdev, pdev->msi_cap + PCI_MSI_ADDRESS_LO, addr_lo);  in rtas_hack_32bit_msi_gen2()
368 	pci_write_config_dword(pdev, pdev->msi_cap + PCI_MSI_ADDRESS_HI, 0);  in rtas_hack_32bit_msi_gen2()
371 static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec_in, int type)  in rtas_setup_msi_irqs()  argument
381 		rc = check_req_msix(pdev, nvec);  in rtas_setup_msi_irqs()
383 		rc = check_req_msi(pdev, nvec);  in rtas_setup_msi_irqs()
388 	quota = msi_quota_for_device(pdev, nvec);  in rtas_setup_msi_irqs()
393 	if (type == PCI_CAP_ID_MSIX && check_msix_entries(pdev))  in rtas_setup_msi_irqs()
402 		quota = msi_quota_for_device(pdev, m);  in rtas_setup_msi_irqs()
408 	pdn = pci_get_pdn(pdev);  in rtas_setup_msi_irqs()
417 		if (pdev->no_64bit_msi) {  in rtas_setup_msi_irqs()
424 				if (pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT)  in rtas_setup_msi_irqs()
441 			rtas_hack_32bit_msi_gen2(pdev);  in rtas_setup_msi_irqs()
455 	for_each_pci_msi_entry(entry, pdev) {  in rtas_setup_msi_irqs()
490 		dev_dbg(&pdev->dev, "rtas_msi: allocated virq %d\n", virq);  in rtas_setup_msi_irqs()
501 static void rtas_msi_pci_irq_fixup(struct pci_dev *pdev)  in rtas_msi_pci_irq_fixup()  argument
504 	if (!pdev->irq) {  in rtas_msi_pci_irq_fixup()
505 		dev_dbg(&pdev->dev, "rtas_msi: no LSI, nothing to do.\n");  in rtas_msi_pci_irq_fixup()
510 	if (check_req_msi(pdev, 1) && check_req_msix(pdev, 1)) {  in rtas_msi_pci_irq_fixup()
511 		dev_dbg(&pdev->dev, "rtas_msi: no req#msi/x, nothing to do.\n");  in rtas_msi_pci_irq_fixup()
515 	dev_dbg(&pdev->dev, "rtas_msi: disabling existing MSI.\n");  in rtas_msi_pci_irq_fixup()
516 	rtas_disable_msi(pdev);  in rtas_msi_pci_irq_fixup()