diff options
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r-- | drivers/pci/pci.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 4ea98665172d..5a4b501a3f41 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1633,13 +1633,14 @@ static void pci_restore_pcie_state(struct pci_dev *dev) { int i = 0; struct pci_cap_saved_state *save_state; - u16 *cap, lnkctl; + u16 *cap; /* * Restore max latencies (in the LTR capability) before enabling * LTR itself in PCI_EXP_DEVCTL2. */ pci_restore_ltr_state(dev); + pci_restore_aspm_l1ss_state(dev); save_state = pci_find_saved_cap(dev, PCI_CAP_ID_EXP); if (!save_state) @@ -1654,23 +1655,12 @@ static void pci_restore_pcie_state(struct pci_dev *dev) cap = (u16 *)&save_state->cap.data[0]; pcie_capability_write_word(dev, PCI_EXP_DEVCTL, cap[i++]); - - /* Restore LNKCTL register with ASPM control field clear */ - lnkctl = cap[i++]; - pcie_capability_write_word(dev, PCI_EXP_LNKCTL, - lnkctl & ~PCI_EXP_LNKCTL_ASPMC); - + pcie_capability_write_word(dev, PCI_EXP_LNKCTL, cap[i++]); pcie_capability_write_word(dev, PCI_EXP_SLTCTL, cap[i++]); pcie_capability_write_word(dev, PCI_EXP_RTCTL, cap[i++]); pcie_capability_write_word(dev, PCI_EXP_DEVCTL2, cap[i++]); pcie_capability_write_word(dev, PCI_EXP_LNKCTL2, cap[i++]); pcie_capability_write_word(dev, PCI_EXP_SLTCTL2, cap[i++]); - - pci_restore_aspm_l1ss_state(dev); - - /* Restore ASPM control after restoring L1SS state */ - pcie_capability_set_word(dev, PCI_EXP_LNKCTL, - lnkctl & PCI_EXP_LNKCTL_ASPMC); } static int pci_save_pcix_state(struct pci_dev *dev) |