PCI: Fix PCI Express Capability accessors for PCI_EXP_FLAGS

commit 969daa349f4821a02936af7202b51a9affc7b6da upstream.

PCI_EXP_FLAGS_TYPE is a mask, not an offset.  Fix it.

Previously, pcie_capability_read_word(..., PCI_EXP_FLAGS, ...) would
fail.

[bhelgaas:  tweak changelog]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 3af0478..32046c5 100644 (file)
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -515,7 +515,7 @@ static bool pcie_capability_reg_implemented(struct pci_dev *dev, int pos)
                return false;
 
        switch (pos) {
-       case PCI_EXP_FLAGS_TYPE:
+       case PCI_EXP_FLAGS:
                return true;
        case PCI_EXP_DEVCAP:
        case PCI_EXP_DEVCTL: