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path: root/drivers/pci/pci.c
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Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 1c8592b0e146..2c9ac70254e2 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -839,12 +839,6 @@ int pci_set_power_state(struct pci_dev *dev, pci_power_t state)
if (!__pci_complete_power_transition(dev, state))
error = 0;
- /*
- * When aspm_policy is "powersave" this call ensures
- * that ASPM is configured.
- */
- if (!error && dev->bus->self)
- pcie_aspm_powersave_config_link(dev->bus->self);
return error;
}
@@ -1195,12 +1189,18 @@ int __weak pcibios_enable_device(struct pci_dev *dev, int bars)
static int do_pci_enable_device(struct pci_dev *dev, int bars)
{
int err;
+ struct pci_dev *bridge;
u16 cmd;
u8 pin;
err = pci_set_power_state(dev, PCI_D0);
if (err < 0 && err != -EIO)
return err;
+
+ bridge = pci_upstream_bridge(dev);
+ if (bridge)
+ pcie_aspm_powersave_config_link(bridge);
+
err = pcibios_enable_device(dev, bars);
if (err < 0)
return err;
@@ -3198,7 +3198,7 @@ static int pci_pm_reset(struct pci_dev *dev, int probe)
return 0;
}
-void __weak pcibios_reset_secondary_bus(struct pci_dev *dev)
+void pci_reset_secondary_bus(struct pci_dev *dev)
{
u16 ctrl;
@@ -3224,6 +3224,11 @@ void __weak pcibios_reset_secondary_bus(struct pci_dev *dev)
ssleep(1);
}
+void __weak pcibios_reset_secondary_bus(struct pci_dev *dev)
+{
+ pci_reset_secondary_bus(dev);
+}
+
/**
* pci_reset_bridge_secondary_bus - Reset the secondary bus on a PCI bridge.
* @dev: Bridge device