1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index c913ea4e545c..40c1825c8b93 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1481,6 +1481,24 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	0x2609, quirk_intel_pcie_pm);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    0x260a, quirk_intel_pcie_pm);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    0x260b, quirk_intel_pcie_pm);
 
+/*
+ * Toshiba TC86C001 IDE controller reports the standard 8-byte BAR0 size
+ * but the PIO transfers won't work if BAR0 falls at the odd 8 bytes.
+ * Re-allocate the region if needed...
+ */
+static void __init quirk_tc86c001_ide(struct pci_dev *dev)
+{
+        struct resource *r = &dev->resource[0];
+
+        if (r->start & 0x8) {
+                r->start = 0;
+                r->end = 0xf;
+        }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TOSHIBA_2,
+                         PCI_DEVICE_ID_TOSHIBA_TC86C001_IDE,
+                         quirk_tc86c001_ide);
+
 static void __devinit quirk_netmos(struct pci_dev *dev)
 {
         unsigned int num_parallel = (dev->subsystem_device & 0xf0) >> 4;