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-rw-r--r--drivers/usb/host/xhci-ring.c2
-rw-r--r--drivers/usb/host/xhci.h4
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index edcedc4e9785..c42fdffe8d3c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2352,7 +2352,7 @@ hw_died:
u32 irq_pending;
/* Acknowledge the PCI interrupt */
irq_pending = xhci_readl(xhci, &xhci->ir_set->irq_pending);
- irq_pending |= 0x3;
+ irq_pending |= IMAN_IP;
xhci_writel(xhci, irq_pending, &xhci->ir_set->irq_pending);
}
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 3e7c3a6c0fbb..dfd260ab4036 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -205,6 +205,10 @@ struct xhci_op_regs {
#define CMD_PM_INDEX (1 << 11)
/* bits 12:31 are reserved (and should be preserved on writes). */
+/* IMAN - Interrupt Management Register */
+#define IMAN_IP (1 << 1)
+#define IMAN_IE (1 << 0)
+
/* USBSTS - USB status - status bitmasks */
/* HC not running - set to 1 when run/stop bit is cleared. */
#define STS_HALT XHCI_STS_HALT