pci/pcie/aspm.c

49 	struct pcie_link_state *parent;	/* pointer to the parent Link state */  member
203 	struct pci_dev *child, *parent = link->pdev;  in pcie_aspm_configure_common_clock()  local
204 	struct pci_bus *linkbus = parent->subordinate;  in pcie_aspm_configure_common_clock()
218 	pcie_capability_read_word(parent, PCI_EXP_LNKSTA, &reg16);  in pcie_aspm_configure_common_clock()
223 	pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &reg16);  in pcie_aspm_configure_common_clock()
238 		pci_info(parent, "ASPM: current common clock configuration is inconsistent, reconfiguring\n");  in pcie_aspm_configure_common_clock()
251 	pcie_capability_clear_and_set_word(parent, PCI_EXP_LNKCTL,  in pcie_aspm_configure_common_clock()
257 		pci_err(parent, "ASPM: Could not configure common clock\n");  in pcie_aspm_configure_common_clock()
262 		pcie_capability_clear_and_set_word(parent, PCI_EXP_LNKCTL,  in pcie_aspm_configure_common_clock()
422 		link = link->parent;  in pcie_aspm_check_latency()
441 	struct pci_dev *child = link->downstream, *parent = link->pdev;  in aspm_calc_l12_info()  local
459 	if (calc_l12_pwron(parent, scale1, val1) >  in aspm_calc_l12_info()
462 		t_power_on = calc_l12_pwron(parent, scale1, val1);  in aspm_calc_l12_info()
483 	pci_read_config_dword(parent, parent->l1ss + PCI_L1SS_CTL1, &pctl1);  in aspm_calc_l12_info()
484 	pci_read_config_dword(parent, parent->l1ss + PCI_L1SS_CTL2, &pctl2);  in aspm_calc_l12_info()
499 		pci_clear_and_set_dword(parent, parent->l1ss + PCI_L1SS_CTL1,  in aspm_calc_l12_info()
504 	pci_write_config_dword(parent, parent->l1ss + PCI_L1SS_CTL2, ctl2);  in aspm_calc_l12_info()
508 	pci_clear_and_set_dword(parent, parent->l1ss + PCI_L1SS_CTL1,  in aspm_calc_l12_info()
512 	pci_clear_and_set_dword(parent,	parent->l1ss + PCI_L1SS_CTL1,  in aspm_calc_l12_info()
520 		pci_clear_and_set_dword(parent, parent->l1ss + PCI_L1SS_CTL1, 0,  in aspm_calc_l12_info()
529 	struct pci_dev *child = link->downstream, *parent = link->pdev;  in aspm_l1ss_init()  local
533 	if (!parent->l1ss || !child->l1ss)  in aspm_l1ss_init()
537 	pci_read_config_dword(parent, parent->l1ss + PCI_L1SS_CAP,  in aspm_l1ss_init()
565 		pci_read_config_dword(parent, parent->l1ss + PCI_L1SS_CTL1,  in aspm_l1ss_init()
586 	struct pci_dev *child = link->downstream, *parent = link->pdev;  in pcie_aspm_cap_init()  local
589 	struct pci_bus *linkbus = parent->subordinate;  in pcie_aspm_cap_init()
602 	pcie_capability_read_dword(parent, PCI_EXP_LNKCAP, &parent_lnkcap);  in pcie_aspm_cap_init()
616 	pcie_capability_read_dword(parent, PCI_EXP_LNKCAP, &parent_lnkcap);  in pcie_aspm_cap_init()
618 	pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &parent_lnkctl);  in pcie_aspm_cap_init()
665 	struct pci_dev *child = link->downstream, *parent = link->pdev;  in pcie_config_aspm_l1ss()  local
685 	pci_clear_and_set_dword(parent, parent->l1ss + PCI_L1SS_CTL1,  in pcie_config_aspm_l1ss()
694 		pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,  in pcie_config_aspm_l1ss()
709 	pci_clear_and_set_dword(parent, parent->l1ss + PCI_L1SS_CTL1,  in pcie_config_aspm_l1ss()
724 	struct pci_dev *child = link->downstream, *parent = link->pdev;  in pcie_config_aspm_link()  local
725 	struct pci_bus *linkbus = parent->subordinate;  in pcie_config_aspm_link()
735 	if (parent->current_state != PCI_D0 || child->current_state != PCI_D0) {  in pcie_config_aspm_link()
763 		pcie_config_aspm_dev(parent, upstream);  in pcie_config_aspm_link()
767 		pcie_config_aspm_dev(parent, upstream);  in pcie_config_aspm_link()
776 		link = link->parent;  in pcie_config_aspm_path()
842 	    !pdev->bus->parent->self) {  in alloc_pcie_link_state()
845 		struct pcie_link_state *parent;  in alloc_pcie_link_state()  local
847 		parent = pdev->bus->parent->self->link_state;  in alloc_pcie_link_state()
848 		if (!parent) {  in alloc_pcie_link_state()
853 		link->parent = parent;  in alloc_pcie_link_state()
854 		link->root = link->parent->root;  in alloc_pcie_link_state()
943 	BUG_ON(root->parent);  in pcie_update_aspm_capable()
966 	struct pci_dev *parent = pdev->bus->self;  in pcie_aspm_exit_link_state()  local
969 	if (!parent || !parent->link_state)  in pcie_aspm_exit_link_state()
975 	link = parent->link_state;  in pcie_aspm_exit_link_state()
977 	parent_link = link->parent;  in pcie_aspm_exit_link_state()