Merge tag 'pci-v3.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "Just a fix for the device reset path and an email address update.

  Virtualization
    - Fix "wait for pending transactions" for PCI AF reset (Alex
      Williamson)

  Miscellaneous
    - Update mx6 PCI driver maintainer email (Fabio Estevam)"

* tag 'pci-v3.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  MAINTAINERS: Update mx6 PCI driver maintainer's email
  PCI: Fix unaligned access in AF transaction pending test

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 63a54a340863..1c8592b0e146 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3135,8 +3135,13 @@ static int pci_af_flr(struct pci_dev *dev, int probe)
 	if (probe)
 		return 0;
 
-	/* Wait for Transaction Pending bit clean */
-	if (pci_wait_for_pending(dev, pos + PCI_AF_STATUS, PCI_AF_STATUS_TP))
+	/*
+	 * Wait for Transaction Pending bit to clear.  A word-aligned test
+	 * is used, so we use the conrol offset rather than status and shift
+	 * the test bit to match.
+	 */
+	if (pci_wait_for_pending(dev, pos + PCI_AF_CTRL,
+				 PCI_AF_STATUS_TP << 8))
 		goto clear;
 
 	dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n");