|
@@ -556,6 +556,9 @@ void pcie_aspm_init_link_state(struct pci_dev *pdev)
|
|
|
struct pcie_link_state *link;
|
|
|
int blacklist = !!pcie_aspm_sanity_check(pdev);
|
|
|
|
|
|
+ if (!aspm_support_enabled)
|
|
|
+ return;
|
|
|
+
|
|
|
if (!pci_is_pcie(pdev) || pdev->link_state)
|
|
|
return;
|
|
|
if (pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT &&
|
|
@@ -634,10 +637,7 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev)
|
|
|
struct pci_dev *parent = pdev->bus->self;
|
|
|
struct pcie_link_state *link, *root, *parent_link;
|
|
|
|
|
|
- if (!pci_is_pcie(pdev) || !parent || !parent->link_state)
|
|
|
- return;
|
|
|
- if ((pci_pcie_type(parent) != PCI_EXP_TYPE_ROOT_PORT) &&
|
|
|
- (pci_pcie_type(parent) != PCI_EXP_TYPE_DOWNSTREAM))
|
|
|
+ if (!parent || !parent->link_state)
|
|
|
return;
|
|
|
|
|
|
down_read(&pci_bus_sem);
|