mirror of https://gitee.com/openkylin/linux.git
36 lines
759 B
C
36 lines
759 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* xHCI host controller driver
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*
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* Copyright (C) 2008 Intel Corp.
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*
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* Author: Sarah Sharp
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* Some code borrowed from the Linux EHCI driver.
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*/
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#include "xhci.h"
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char *xhci_get_slot_state(struct xhci_hcd *xhci,
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struct xhci_container_ctx *ctx)
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{
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struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
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int state = GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state));
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return xhci_slot_state_string(state);
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}
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void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *),
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const char *fmt, ...)
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{
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struct va_format vaf;
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va_list args;
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va_start(args, fmt);
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vaf.fmt = fmt;
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vaf.va = &args;
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xhci_dbg(xhci, "%pV\n", &vaf);
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trace(&vaf);
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va_end(args);
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}
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EXPORT_SYMBOL_GPL(xhci_dbg_trace);
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