cdc-acm: delete obsolete debug messages

Some debug messages merely provide a function trace without
additional debug data. They predate ftrace and can be replaced
by it. Drop them without replacement.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 17 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 0f3f62e81e5b..fef0d8fcd916 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -492,8 +492,6 @@ static int acm_tty_install(struct tty_driver *driver, struct tty_struct *tty)
         struct acm *acm;
         int retval;
 
-        dev_dbg(tty->dev, "%s\n", __func__);
-
         acm = acm_get_by_minor(tty->index);
         if (!acm)
                 return -ENODEV;
@@ -515,8 +513,6 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
 {
         struct acm *acm = tty->driver_data;
 
-        dev_dbg(tty->dev, "%s\n", __func__);
-
         return tty_port_open(&acm->port, tty, filp);
 }
 
@@ -545,8 +541,6 @@ static int acm_port_activate(struct tty_port *port, struct tty_struct *tty)
         int retval = -ENODEV;
         int i;
 
-        dev_dbg(&acm->control->dev, "%s\n", __func__);
-
         mutex_lock(&acm->mutex);
         if (acm->disconnected)
                 goto disconnected;
@@ -607,8 +601,6 @@ static void acm_port_destruct(struct tty_port *port)
 {
         struct acm *acm = container_of(port, struct acm, port);
 
-        dev_dbg(&acm->control->dev, "%s\n", __func__);
-
         acm_release_minor(acm);
         usb_put_intf(acm->control);
         kfree(acm->country_codes);
@@ -622,8 +614,6 @@ static void acm_port_shutdown(struct tty_port *port)
         struct acm_wb *wb;
         int i;
 
-        dev_dbg(&acm->control->dev, "%s\n", __func__);
-
         /*
          * Need to grab write_lock to prevent race with resume, but no need to
          * hold it due to the tty-port initialised flag.
@@ -654,21 +644,21 @@ static void acm_port_shutdown(struct tty_port *port)
 static void acm_tty_cleanup(struct tty_struct *tty)
 {
         struct acm *acm = tty->driver_data;
-        dev_dbg(&acm->control->dev, "%s\n", __func__);
+
         tty_port_put(&acm->port);
 }
 
 static void acm_tty_hangup(struct tty_struct *tty)
 {
         struct acm *acm = tty->driver_data;
-        dev_dbg(&acm->control->dev, "%s\n", __func__);
+
         tty_port_hangup(&acm->port);
 }
 
 static void acm_tty_close(struct tty_struct *tty, struct file *filp)
 {
         struct acm *acm = tty->driver_data;
-        dev_dbg(&acm->control->dev, "%s\n", __func__);
+
         tty_port_close(&acm->port, tty, filp);
 }
 
@@ -1533,8 +1523,6 @@ static void stop_data_traffic(struct acm *acm)
 {
         int i;
 
-        dev_dbg(&acm->control->dev, "%s\n", __func__);
-
         usb_kill_urb(acm->ctrlurb);
         for (i = 0; i < ACM_NW; i++)
                 usb_kill_urb(acm->wb[i].urb);
@@ -1551,8 +1539,6 @@ static void acm_disconnect(struct usb_interface *intf)
         struct tty_struct *tty;
         int i;
 
-        dev_dbg(&intf->dev, "%s\n", __func__);
-
         /* sibling interface is already cleaning up */
         if (!acm)
                 return;