diff options
| author |   Chunfeng Yun <chunfeng.yun@mediatek.com> | 2019-03-21 10:53:48 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-03-26 16:40:14 +0900 |
| commit | 83374e035b6286731c5aa617844c7b724294c2a7 (patch) | |
| tree | 212fe872a4028092f183a1777089f6eee84fff3a /drivers/usb/mtu3/mtu3_debug.h | |
| parent | usb: mtu3: move vbus and mode debugfs interfaces into mtu3_debugfs.c (diff) | |
| download | linux-dev-83374e035b6286731c5aa617844c7b724294c2a7.tar.xz linux-dev-83374e035b6286731c5aa617844c7b724294c2a7.zip | |
usb: mtu3: add tracepoints to help debug
This patch implements a few initial tracepoints for the
mtu3 driver. More traces can be added as necessary in order
to ease the task of debugging.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3/mtu3_debug.h')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_debug.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/mtu3/mtu3_debug.h b/drivers/usb/mtu3/mtu3_debug.h index d97a48c73469..e96a69234d05 100644 --- a/drivers/usb/mtu3/mtu3_debug.h +++ b/drivers/usb/mtu3/mtu3_debug.h @@ -39,4 +39,12 @@ static inline void ssusb_debugfs_remove_root(struct ssusb_mtk *ssusb) {} #endif /* CONFIG_DEBUG_FS */ +#if IS_ENABLED(CONFIG_TRACING) +void mtu3_dbg_trace(struct device *dev, const char *fmt, ...); + +#else +static inline void mtu3_dbg_trace(struct device *dev, const char *fmt, ...) {} + +#endif /* CONFIG_TRACING */ + #endif /* __MTU3_DEBUG_H__ */ |