USB: pl2303: use interface device for debug

Use interface rather than usb-serial device for debugging interface
related operations. This gives more descriptive messages, such as

[  905.669436] pl2303 1-4.1:1.0: 0x40:0x1:0x8:0x0  0

rather than

[  341.943535] usb 1-4.1: 0x40:0x1:0x8:0x0  0

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 3b10018d89a34e44e03b5ffb5562c34c7e4e6b85..5b2e62f6dc50e0d56f83ab21d8fc1fab79313553 100644 (file)
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -149,7 +149,7 @@ static int pl2303_vendor_read(__u16 value, __u16 index,
        int res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
                        VENDOR_READ_REQUEST, VENDOR_READ_REQUEST_TYPE,
                        value, index, buf, 1, 100);
-       dev_dbg(&serial->dev->dev, "0x%x:0x%x:0x%x:0x%x  %d - %x\n",
+       dev_dbg(&serial->interface->dev, "0x%x:0x%x:0x%x:0x%x  %d - %x\n",
                VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, value, index,
                res, buf[0]);
        return res;
@@ -161,7 +161,7 @@ static int pl2303_vendor_write(__u16 value, __u16 index,
        int res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
                        VENDOR_WRITE_REQUEST, VENDOR_WRITE_REQUEST_TYPE,
                        value, index, NULL, 0, 100);
-       dev_dbg(&serial->dev->dev, "0x%x:0x%x:0x%x:0x%x  %d\n",
+       dev_dbg(&serial->interface->dev, "0x%x:0x%x:0x%x:0x%x  %d\n",
                VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, value, index,
                res);
        return res;