1 | // SPDX-License-Identifier: GPL-2.0 |
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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 | |
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 | |
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 |