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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>
This commit is contained in:
Oliver Neukum 2016-09-07 14:30:01 +02:00 committed by Greg Kroah-Hartman
parent ce8bb344df
commit ab57f86198
1 changed files with 3 additions and 17 deletions
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20
drivers/usb/class/cdc-acm.c
View File

@ -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;