![Bin Liu](/assets/img/avatar_default.png)
To avoid printk() overhead while debugging, this patch implements the foundation of tracepoints logging for musb driver to make debug easier. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
34 lines
876 B
C
34 lines
876 B
C
/*
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* musb_trace.c - MUSB Controller Trace Support
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*
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* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com
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*
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* Author: Bin Liu <b-liu@ti.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 of
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* the License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#define CREATE_TRACE_POINTS
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#include "musb_trace.h"
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void musb_dbg(struct musb *musb, 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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trace_musb_log(musb, &vaf);
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va_end(args);
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}
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