Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/maple: Add a quirk to disable MSI for IPR on Bimini

diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index 301855263b8157cbf9c7fd75228a44a01044137e..04296ffff8bf6a6a171550d1648c19e1e0ce5f4a 100644 (file)
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -592,3 +592,17 @@ int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel)
        }
        return irq;
 }
+
+static void __devinit quirk_ipr_msi(struct pci_dev *dev)
+{
+       /* Something prevents MSIs from the IPR from working on Bimini,
+        * and the driver has no smarts to recover. So disable MSI
+        * on it for now. */
+
+       if (machine_is(maple)) {
+               dev->no_msi = 1;
+               dev_info(&dev->dev, "Quirk disabled MSI\n");
+       }
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
+                       quirk_ipr_msi);