diff options
| -rw-r--r-- | drivers/pci/access.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/pci/access.c b/drivers/pci/access.c index a92637627845..0d9f6b21babb 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -412,9 +412,9 @@ int pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *val) if (pcie_capability_reg_implemented(dev, pos)) { ret = pci_read_config_word(dev, pci_pcie_cap(dev) + pos, val); /* - * Reset *val to 0 if pci_read_config_word() fails, it may - * have been written as 0xFFFF if hardware error happens - * during pci_read_config_word(). + * Reset *val to 0 if pci_read_config_word() fails; it may + * have been written as 0xFFFF (PCI_ERROR_RESPONSE) if the + * config read failed on PCI. */ if (ret) *val = 0; @@ -447,9 +447,9 @@ int pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *val) if (pcie_capability_reg_implemented(dev, pos)) { ret = pci_read_config_dword(dev, pci_pcie_cap(dev) + pos, val); /* - * Reset *val to 0 if pci_read_config_dword() fails, it may - * have been written as 0xFFFFFFFF if hardware error happens - * during pci_read_config_dword(). + * Reset *val to 0 if pci_read_config_dword() fails; it may + * have been written as 0xFFFFFFFF (PCI_ERROR_RESPONSE) if + * the config read failed on PCI. */ if (ret) *val = 0; |