151 	struct pci_dev *child;  in pcie_set_clkpm_nocheck()  local
155 	list_for_each_entry(child, &linkbus->devices, bus_list)  in pcie_set_clkpm_nocheck()
156 		pcie_capability_clear_and_set_word(child, PCI_EXP_LNKCTL,  in pcie_set_clkpm_nocheck()
178 	struct pci_dev *child;  in pcie_clkpm_cap_init()  local
182 	list_for_each_entry(child, &linkbus->devices, bus_list) {  in pcie_clkpm_cap_init()
183 		pcie_capability_read_dword(child, PCI_EXP_LNKCAP, &reg32);  in pcie_clkpm_cap_init()
189 		pcie_capability_read_word(child, PCI_EXP_LNKCTL, &reg16);  in pcie_clkpm_cap_init()
237 	struct pci_dev *child, *parent = link->pdev;  in pcie_aspm_configure_common_clock()  local
243 	child = list_entry(linkbus->devices.next, struct pci_dev, bus_list);  in pcie_aspm_configure_common_clock()
244 	BUG_ON(!pci_is_pcie(child));  in pcie_aspm_configure_common_clock()
247 	pcie_capability_read_word(child, PCI_EXP_LNKSTA, &reg16);  in pcie_aspm_configure_common_clock()
261 		list_for_each_entry(child, &linkbus->devices, bus_list) {  in pcie_aspm_configure_common_clock()
262 			pcie_capability_read_word(child, PCI_EXP_LNKCTL,  in pcie_aspm_configure_common_clock()
275 	list_for_each_entry(child, &linkbus->devices, bus_list) {  in pcie_aspm_configure_common_clock()
276 		pcie_capability_read_word(child, PCI_EXP_LNKCTL, &reg16);  in pcie_aspm_configure_common_clock()
277 		child_reg[PCI_FUNC(child->devfn)] = reg16;  in pcie_aspm_configure_common_clock()
282 		pcie_capability_write_word(child, PCI_EXP_LNKCTL, reg16);  in pcie_aspm_configure_common_clock()
299 	list_for_each_entry(child, &linkbus->devices, bus_list)  in pcie_aspm_configure_common_clock()
300 		pcie_capability_write_word(child, PCI_EXP_LNKCTL,  in pcie_aspm_configure_common_clock()
301 					   child_reg[PCI_FUNC(child->devfn)]);  in pcie_aspm_configure_common_clock()
483 	struct pci_dev *child;  in pci_function_0()  local
485 	list_for_each_entry(child, &linkbus->devices, bus_list)  in pci_function_0()
486 		if (PCI_FUNC(child->devfn) == 0)  in pci_function_0()
487 			return child;  in pci_function_0()
543 	struct pci_dev *child = link->downstream, *parent = link->pdev;  in pcie_aspm_cap_init()  local
556 	pcie_get_aspm_reg(child, &dwreg);  in pcie_aspm_cap_init()
573 	pcie_get_aspm_reg(child, &dwreg);  in pcie_aspm_cap_init()
630 	list_for_each_entry(child, &linkbus->devices, bus_list) {  in pcie_aspm_cap_init()
631 		if (pci_pcie_type(child) == PCI_EXP_TYPE_PCI_BRIDGE) {  in pcie_aspm_cap_init()
638 	list_for_each_entry(child, &linkbus->devices, bus_list) {  in pcie_aspm_cap_init()
641 			&link->acceptable[PCI_FUNC(child->devfn)];  in pcie_aspm_cap_init()
643 		if (pci_pcie_type(child) != PCI_EXP_TYPE_ENDPOINT &&  in pcie_aspm_cap_init()
644 		    pci_pcie_type(child) != PCI_EXP_TYPE_LEG_END)  in pcie_aspm_cap_init()
647 		pcie_capability_read_dword(child, PCI_EXP_DEVCAP, &reg32);  in pcie_aspm_cap_init()
655 		pcie_aspm_check_latency(child);  in pcie_aspm_cap_init()
674 	struct pci_dev *child = link->downstream, *parent = link->pdev;  in pcie_config_aspm_l1ss()  local
694 	pci_clear_and_set_dword(child, dw_cap_ptr + PCI_L1SS_CTL1,  in pcie_config_aspm_l1ss()
703 		pcie_capability_clear_and_set_word(child, PCI_EXP_LNKCTL,  in pcie_config_aspm_l1ss()
714 		pci_write_config_dword(child, dw_cap_ptr + PCI_L1SS_CTL2,  in pcie_config_aspm_l1ss()
727 		pci_clear_and_set_dword(child, dw_cap_ptr + PCI_L1SS_CTL1,  in pcie_config_aspm_l1ss()
746 	pci_clear_and_set_dword(child, dw_cap_ptr + PCI_L1SS_CTL1,  in pcie_config_aspm_l1ss()
759 	struct pci_dev *child = link->downstream, *parent = link->pdev;  in pcie_config_aspm_link()  local
770 	if (parent->current_state != PCI_D0 || child->current_state != PCI_D0) {  in pcie_config_aspm_link()
799 	list_for_each_entry(child, &linkbus->devices, bus_list)  in pcie_config_aspm_link()
800 		pcie_config_aspm_dev(child, dwstream);  in pcie_config_aspm_link()
823 	struct pci_dev *child;  in pcie_aspm_sanity_check()  local
830 	list_for_each_entry(child, &pdev->subordinate->devices, bus_list) {  in pcie_aspm_sanity_check()
831 		if (!pci_is_pcie(child))  in pcie_aspm_sanity_check()
847 		pcie_capability_read_dword(child, PCI_EXP_DEVCAP, &reg32);  in pcie_aspm_sanity_check()
849 …pci_info(child, "disabling ASPM on pre-1.1 PCIe device.  You can enable it with 'pcie_aspm=force'\…  in pcie_aspm_sanity_check()
975 		struct pci_dev *child;  in pcie_update_aspm_capable()  local
979 		list_for_each_entry(child, &linkbus->devices, bus_list) {  in pcie_update_aspm_capable()
980 			if ((pci_pcie_type(child) != PCI_EXP_TYPE_ENDPOINT) &&  in pcie_update_aspm_capable()
981 			    (pci_pcie_type(child) != PCI_EXP_TYPE_LEG_END))  in pcie_update_aspm_capable()
983 			pcie_aspm_check_latency(child);  in pcie_update_aspm_capable()