| 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 | |
| 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 | 
