usb: core: hcd: make hcd->irq unsigned

[deliverable/linux.git] / drivers / usb / host / xhci.c

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index c939f5fdef9e2414f61f63cd07776041d5411cf9..a629ad860329f19b3d1f7e8ca8777e034c6942bb 100644 (file)
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -224,13 +224,13 @@ static void xhci_free_irq(struct xhci_hcd *xhci)
        int ret;
 
        /* return if using legacy interrupt */
-       if (xhci_to_hcd(xhci)->irq >= 0)
+       if (xhci_to_hcd(xhci)->irq > 0)
                return;
 
        ret = xhci_free_msi(xhci);
        if (!ret)
                return;
-       if (pdev->irq >= 0)
+       if (pdev->irq > 0)
                free_irq(pdev->irq, xhci_to_hcd(xhci));
 
        return;
@@ -341,7 +341,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd)
        /* unregister the legacy interrupt */
        if (hcd->irq)
                free_irq(hcd->irq, hcd);
-       hcd->irq = -1;
+       hcd->irq = 0;
 
        ret = xhci_setup_msix(xhci);
        if (ret)
@@ -349,7 +349,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd)
                ret = xhci_setup_msi(xhci);
 
        if (!ret)
-               /* hcd->irq is -1, we have MSI */
+               /* hcd->irq is 0, we have MSI */
                return 0;
 
        if (!pdev->irq) {