From: Alex Williamson <alex.williamson@redhat.com>
Date: Thu, 14 Feb 2013 18:35:42 +0000 (-0700)
Subject: PCI: Fix PCI Express Capability accessors for PCI_EXP_FLAGS
X-Git-Tag: v3.8.1~84
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=dc510780f52c9b4941693a5ea54ea80e0c9de846;p=users%2Fjedix%2Flinux-maple.git

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 3af0478c057b..32046c53d55d 100644
--- 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: