Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

[linux-flexiantxendom0-natty.git] / drivers / usb / host / pci-quirks.c

diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 5b37b08..4c502c8 100644 (file)
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -169,6 +169,7 @@ static int __devinit mmio_resource_enabled(struct pci_dev *pdev, int idx)
 static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 {
        void __iomem *base;
+       u32 control;
 
        if (!mmio_resource_enabled(pdev, 0))
                return;
@@ -177,10 +178,14 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
        if (base == NULL)
                return;
 
+       control = readl(base + OHCI_CONTROL);
+
 /* On PA-RISC, PDC can leave IR set incorrectly; ignore it there. */
-#ifndef __hppa__
-{
-       u32 control = readl(base + OHCI_CONTROL);
+#ifdef __hppa__
+#define        OHCI_CTRL_MASK          (OHCI_CTRL_RWC | OHCI_CTRL_IR)
+#else
+#define        OHCI_CTRL_MASK          OHCI_CTRL_RWC
+
        if (control & OHCI_CTRL_IR) {
                int wait_time = 500; /* arbitrary; 5 seconds */
                writel(OHCI_INTR_OC, base + OHCI_INTRENABLE);
@@ -194,13 +199,12 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
                        dev_warn(&pdev->dev, "OHCI: BIOS handoff failed"
                                        " (BIOS bug?) %08x\n",
                                        readl(base + OHCI_CONTROL));
-
-               /* reset controller, preserving RWC */
-               writel(control & OHCI_CTRL_RWC, base + OHCI_CONTROL);
        }
-}
 #endif
 
+       /* reset controller, preserving RWC (and possibly IR) */
+       writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
+
        /*
         * disable interrupts
         */