2 files changed, 17 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index 301855263b81..04296ffff8bf 100644
--- 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);
diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 39e46919df14..f2a29641b6a3 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -263,6 +263,9 @@ static int camera_probe(void)
         struct i2c_msg msg;
         int ret;
 
+        if (!a)
+                return -ENODEV;
+
         camera_power(1);
         msg.addr = 0x6e;
         msg.buf = camera_ncm03j_magic;