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authorChunfeng Yun <chunfeng.yun@mediatek.com>2019-03-21 10:53:48 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-03-26 16:40:14 +0900
commit83374e035b6286731c5aa617844c7b724294c2a7 (patch)
tree212fe872a4028092f183a1777089f6eee84fff3a /drivers/usb/mtu3/mtu3_dr.c
parent4aab6ad24a101b9fa3779acc27eefd8a730a6f63 (diff)
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_dr.c')
-rw-r--r--drivers/usb/mtu3/mtu3_dr.c1
1 files changed, 1 insertions, 0 deletions
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: