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authorLinus Torvalds <torvalds@linux-foundation.org>2014-07-09 16:18:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-07-09 16:18:18 -0700
commit4f440cd534359f689cb577c68f8491d1eddf0b76 (patch)
tree3fd302d5c6facb7cdbac58854f82175dd8a8a83d
parent191d385f253a317ed905b06137b48e5990e700cf (diff)
parentbf177a1eb6d106ba195de86734392d43dfbef702 (diff)
downloadlinux-4f440cd534359f689cb577c68f8491d1eddf0b76.tar.gz
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
-rw-r--r--MAINTAINERS2
-rw-r--r--drivers/pci/pci.c9
2 files changed, 8 insertions, 3 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 5eb2398a7fa..c411c40d885 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6787,7 +6787,7 @@ F: arch/x86/kernel/quirks.c
PCI DRIVER FOR IMX6
M: Richard Zhu <r65037@freescale.com>
-M: Shawn Guo <shawn.guo@linaro.org>
+M: Shawn Guo <shawn.guo@freescale.com>
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 63a54a34086..1c8592b0e14 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");