1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * xHCI host controller driver
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2008 Intel Corp.
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Author: Sarah Sharp
8*4882a593Smuzhiyun * Some code borrowed from the Linux EHCI driver.
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include "xhci.h"
12*4882a593Smuzhiyun
xhci_get_slot_state(struct xhci_hcd * xhci,struct xhci_container_ctx * ctx)13*4882a593Smuzhiyun char *xhci_get_slot_state(struct xhci_hcd *xhci,
14*4882a593Smuzhiyun struct xhci_container_ctx *ctx)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
17*4882a593Smuzhiyun int state = GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state));
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun return xhci_slot_state_string(state);
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun
xhci_dbg_trace(struct xhci_hcd * xhci,void (* trace)(struct va_format *),const char * fmt,...)22*4882a593Smuzhiyun void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *),
23*4882a593Smuzhiyun const char *fmt, ...)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun struct va_format vaf;
26*4882a593Smuzhiyun va_list args;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun va_start(args, fmt);
29*4882a593Smuzhiyun vaf.fmt = fmt;
30*4882a593Smuzhiyun vaf.va = &args;
31*4882a593Smuzhiyun xhci_dbg(xhci, "%pV\n", &vaf);
32*4882a593Smuzhiyun trace(&vaf);
33*4882a593Smuzhiyun va_end(args);
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(xhci_dbg_trace);
36