usb: host: xhci: extract xhci_slot_state_string()
By extracting and exposing xhci_slot_state_string() in a header file, we
can re-use it to print Slot Context State from our tracepoints, which
can aid in tracking down problems related to command execution.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index 2b4a00f..4cfdd51 100644
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -451,19 +451,9 @@ char *xhci_get_slot_state(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx)
{
struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
+ int state = GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state));
- switch (GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_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";
- }
+ return xhci_slot_state_string(state);
}
static void xhci_dbg_slot_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx)