diff options
Diffstat (limited to 'drivers/pci/pcie')
| -rw-r--r-- | drivers/pci/pcie/aspm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 52c74682601a..71296ee59581 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -496,6 +496,7 @@ static void aspm_calc_l1ss_info(struct pcie_link_state *link, encode_l12_threshold(l1_2_threshold, &scale, &value); ctl1 |= t_common_mode << 8 | scale << 29 | value << 16; + /* Some broken devices only support dword access to L1 SS */ pci_read_config_dword(parent, parent->l1ss + PCI_L1SS_CTL1, &pctl1); pci_read_config_dword(parent, parent->l1ss + PCI_L1SS_CTL2, &pctl2); pci_read_config_dword(child, child->l1ss + PCI_L1SS_CTL1, &cctl1); |