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3 commits

Author SHA1 Message Date
Chunfeng Yun
83374e035b 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>
 2019-03-26 16:40:14 +09:00
Chunfeng Yun
4aab6ad24a usb: mtu3: move vbus and mode debugfs interfaces into mtu3_debugfs.c 
Due to the separated debugfs files are added, move vbus and mode
debugfs interfaces related with dual-role switch from mtu3_dr.c
into mtu3_debugfs.c

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-03-26 16:40:14 +09:00
Chunfeng Yun
ae07809255 usb: mtu3: add debugfs interface files 
This adds more debugfs consumers. The debugfs entries read some
important registers, fifo status, QMU ring, endpoint status, and
IPPC probe interface to get internal status.
With these entries, users can check the registers, endpoint and
GPD used during run time.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-03-26 16:40:14 +09:00