forked from Minki/linux
f89252ad19
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>
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
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* MUSB OTG driver debug defines
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*
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* Copyright 2005 Mentor Graphics Corporation
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* Copyright (C) 2005-2006 by Texas Instruments
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* Copyright (C) 2006-2007 Nokia Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __MUSB_LINUX_DEBUG_H__
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#define __MUSB_LINUX_DEBUG_H__
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#define yprintk(facility, format, args...) \
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do { printk(facility "%s %d: " format , \
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__func__, __LINE__ , ## args); } while (0)
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#define WARNING(fmt, args...) yprintk(KERN_WARNING, fmt, ## args)
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#define INFO(fmt, args...) yprintk(KERN_INFO, fmt, ## args)
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#define ERR(fmt, args...) yprintk(KERN_ERR, fmt, ## args)
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void musb_dbg(struct musb *musb, const char *fmt, ...);
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#ifdef CONFIG_DEBUG_FS
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int musb_init_debugfs(struct musb *musb);
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void musb_exit_debugfs(struct musb *musb);
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#else
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static inline int musb_init_debugfs(struct musb *musb)
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{
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return 0;
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}
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static inline void musb_exit_debugfs(struct musb *musb)
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{
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}
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#endif
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#endif /* __MUSB_LINUX_DEBUG_H__ */
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