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-rw-r--r--drivers/usb/host/xhci-ring.c5
-rw-r--r--drivers/usb/host/xhci.c5
2 files changed, 4 insertions, 6 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 507ba7734b94..0830b25f9499 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2707,12 +2707,9 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
*/
status |= STS_EINT;
writel(status, &xhci->op_regs->status);
- /* FIXME when MSI-X is supported and there are multiple vectors */
- /* Clear the MSI-X event interrupt status */
- if (hcd->irq) {
+ if (!hcd->msi_enabled) {
u32 irq_pending;
- /* Acknowledge the PCI interrupt */
irq_pending = readl(&xhci->ir_set->irq_pending);
irq_pending |= IMAN_IP;
writel(irq_pending, &xhci->ir_set->irq_pending);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 2d1310220832..71eb2991c698 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -359,9 +359,10 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd)
/* fall back to msi*/
ret = xhci_setup_msi(xhci);
- if (!ret)
- /* hcd->irq is 0, we have MSI */
+ if (!ret) {
+ hcd->msi_enabled = 1;
return 0;
+ }
if (!pdev->irq) {
xhci_err(xhci, "No msi-x/msi found and no IRQ in BIOS\n");