USB: ch341.c: remove dbg() tracing calls

dbg() was used a lot a long time ago to trace code flow.  Now that we have
ftrace, this isn't needed at all, so remove these calls.

CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index aaab32db31d039d415bcb8fe17fbfd8fd74fbbea..70c46b0426ff34c1e22022ab913ffff77d0aadab 100644 (file)
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -125,8 +125,6 @@ static int ch341_set_baudrate(struct usb_device *dev,
        unsigned long factor;
        short divisor;
 
-       dbg("ch341_set_baudrate(%d)", priv->baud_rate);
-
        if (!priv->baud_rate)
                return -EINVAL;
        factor = (CH341_BAUDBASE_FACTOR / priv->baud_rate);
@@ -153,7 +151,6 @@ static int ch341_set_baudrate(struct usb_device *dev,
 
 static int ch341_set_handshake(struct usb_device *dev, u8 control)
 {
-       dbg("ch341_set_handshake(0x%02x)", control);
        return ch341_control_out(dev, 0xa4, ~control, 0);
 }
 
@@ -164,8 +161,6 @@ static int ch341_get_status(struct usb_device *dev, struct ch341_private *priv)
        const unsigned size = 8;
        unsigned long flags;
 
-       dbg("ch341_get_status()");
-
        buffer = kmalloc(size, GFP_KERNEL);
        if (!buffer)
                return -ENOMEM;
@@ -196,8 +191,6 @@ static int ch341_configure(struct usb_device *dev, struct ch341_private *priv)
        int r;
        const unsigned size = 8;
 
-       dbg("ch341_configure()");
-
        buffer = kmalloc(size, GFP_KERNEL);
        if (!buffer)
                return -ENOMEM;
@@ -254,8 +247,6 @@ static int ch341_attach(struct usb_serial *serial)
        struct ch341_private *priv;
        int r;
 
-       dbg("ch341_attach()");
-
        /* private data */
        priv = kzalloc(sizeof(struct ch341_private), GFP_KERNEL);
        if (!priv)
@@ -290,7 +281,6 @@ static void ch341_dtr_rts(struct usb_serial_port *port, int on)
        struct ch341_private *priv = usb_get_serial_port_data(port);
        unsigned long flags;
 
-       dbg("%s - port %d", __func__, port->number);
        /* drop DTR and RTS */
        spin_lock_irqsave(&priv->lock, flags);
        if (on)
@@ -304,8 +294,6 @@ static void ch341_dtr_rts(struct usb_serial_port *port, int on)
 
 static void ch341_close(struct usb_serial_port *port)
 {
-       dbg("%s - port %d", __func__, port->number);
-
        usb_serial_generic_close(port);
        usb_kill_urb(port->interrupt_in_urb);
 }
@@ -318,8 +306,6 @@ static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port)
        struct ch341_private *priv = usb_get_serial_port_data(serial->port[0]);
        int r;
 
-       dbg("ch341_open()");
-
        priv->baud_rate = DEFAULT_BAUD_RATE;
 
        r = ch341_configure(serial->dev, priv);
@@ -358,8 +344,6 @@ static void ch341_set_termios(struct tty_struct *tty,
        unsigned baud_rate;
        unsigned long flags;
 
-       dbg("ch341_set_termios()");
-
        baud_rate = tty_get_baud_rate(tty);
 
        priv->baud_rate = baud_rate;
@@ -393,8 +377,6 @@ static void ch341_break_ctl(struct tty_struct *tty, int break_state)
        uint16_t reg_contents;
        uint8_t *break_reg;
 
-       dbg("%s()", __func__);
-
        break_reg = kmalloc(2, GFP_KERNEL);
        if (!break_reg) {
                dev_err(&port->dev, "%s - kmalloc failed\n", __func__);
@@ -461,8 +443,6 @@ static void ch341_read_int_callback(struct urb *urb)
        unsigned int actual_length = urb->actual_length;
        int status;
 
-       dbg("%s (%d)", __func__, port->number);
-
        switch (urb->status) {
        case 0:
                /* success */
@@ -580,8 +560,6 @@ static int ch341_tiocmget(struct tty_struct *tty)
        u8 status;
        unsigned int result;
 
-       dbg("%s (%d)", __func__, port->number);
-
        spin_lock_irqsave(&priv->lock, flags);
        mcr = priv->line_control;
        status = priv->line_status;