From 83374e035b6286731c5aa617844c7b724294c2a7 Mon Sep 17 00:00:00 2001 From: Chunfeng Yun Date: Thu, 21 Mar 2019 10:53:48 +0800 Subject: 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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/mtu3/mtu3_dr.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/usb/mtu3/mtu3_dr.c') diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c index ff2956272e15..82913120622b 100644 --- a/drivers/usb/mtu3/mtu3_dr.c +++ b/drivers/usb/mtu3/mtu3_dr.c @@ -141,6 +141,7 @@ static void ssusb_set_mailbox(struct otg_switch_mtk *otg_sx, struct mtu3 *mtu = ssusb->u3d; dev_dbg(ssusb->dev, "mailbox state(%d)\n", status); + mtu3_dbg_trace(ssusb->dev, "mailbox %d", status); switch (status) { case MTU3_ID_GROUND: -- cgit v1.2.3