Files
Linux_Drivers/linux_5.10/drivers/usb/host/xhci-dbg.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

36 lines
759 B
C

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