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authorFelipe Balbi <balbi@ti.com>2012-02-29 18:46:23 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-03-01 21:31:22 +0400
commitcd70469d084fde198dc07c1a31b8463562228a5a (patch)
tree166cf8dc555922a43abb71aa681e56dc3e61c776 /drivers/usb/host/xhci-ring.c
parent444aa7fa9bd752d19ce472d3e02558b987c3cc67 (diff)
downloadlinux-cd70469d084fde198dc07c1a31b8463562228a5a.tar.xz
usb: core: hcd: make hcd->irq unsigned
There's really no point in having hcd->irq as a signed integer when we consider the fact that IRQ 0 means NO_IRQ. In order to avoid confusion, make hcd->irq unsigned and fix users who were passing -1 as the IRQ number to usb_add_hcd. Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 3a033240ec64..9e71f7c46a85 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2396,7 +2396,7 @@ hw_died:
/* FIXME when MSI-X is supported and there are multiple vectors */
/* Clear the MSI-X event interrupt status */
- if (hcd->irq != -1) {
+ if (hcd->irq) {
u32 irq_pending;
/* Acknowledge the PCI interrupt */
irq_pending = xhci_readl(xhci, &xhci->ir_set->irq_pending);