1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * xHCI host controller driver
4 *
5 * Copyright (C) 2008 Intel Corp.
6 *
7 * Author: Sarah Sharp
8 * Some code borrowed from the Linux EHCI driver.
9 */
10
11 #include "xhci.h"
12
xhci_get_slot_state(struct xhci_hcd * xhci,struct xhci_container_ctx * ctx)13 char *xhci_get_slot_state(struct xhci_hcd *xhci,
14 struct xhci_container_ctx *ctx)
15 {
16 struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
17 int state = GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state));
18
19 return xhci_slot_state_string(state);
20 }
21
xhci_dbg_trace(struct xhci_hcd * xhci,void (* trace)(struct va_format *),const char * fmt,...)22 void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *),
23 const char *fmt, ...)
24 {
25 struct va_format vaf;
26 va_list args;
27
28 va_start(args, fmt);
29 vaf.fmt = fmt;
30 vaf.va = &args;
31 xhci_dbg(xhci, "%pV\n", &vaf);
32 trace(&vaf);
33 va_end(args);
34 }
35 EXPORT_SYMBOL_GPL(xhci_dbg_trace);
36