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path: root/drivers/usb/host/xhci.h
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Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 675d552e420e..44d031c87108 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -2158,6 +2158,22 @@ static inline struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci,
urb->stream_id);
}
+static inline char *xhci_slot_state_string(u32 state)
+{
+ switch (state) {
+ case SLOT_STATE_ENABLED:
+ return "enabled/disabled";
+ case SLOT_STATE_DEFAULT:
+ return "default";
+ case SLOT_STATE_ADDRESSED:
+ return "addressed";
+ case SLOT_STATE_CONFIGURED:
+ return "configured";
+ default:
+ return "reserved";
+ }
+}
+
static inline const char *xhci_decode_trb(u32 field0, u32 field1, u32 field2,
u32 field3)
{