[PARISC] Fix Cirrus 6832 Cardbus on RDI Tadpole PARISC Laptop

Fix irq-off-by-one for Cirrus 6832 Cardbus on RDI Tadpole PARISC Laptop.
We just DECLARE_PCI_FIXUP_ENABLE as it is unlikely that this will be
found in any other parisc system.

Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 5ab75334c579..595d1987e997 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -435,6 +435,21 @@ static void dino_choose_irq(struct parisc_device *dev, void *ctrl)
         dino_assign_irq(dino, irq, &dev->irq);
 }
 
+
+/*
+ * Cirrus 6832 Cardbus reports wrong irq on RDI Tadpole PARISC Laptop (deller@gmx.de)
+ * (the irqs are off-by-one, not sure yet if this is a cirrus, dino-hardware or dino-driver problem...)
+ */
+static void __devinit quirk_cirrus_cardbus(struct pci_dev *dev)
+{
+        u8 new_irq = dev->irq - 1;
+        printk(KERN_INFO "PCI: Cirrus Cardbus IRQ fixup for %s, from %d to %d\n",
+                        pci_name(dev), dev->irq, new_irq);
+        dev->irq = new_irq;
+}
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6832, quirk_cirrus_cardbus );
+
+
 static void __init
 dino_bios_init(void)
 {