USB: serial: cp210x: add part-number debug printk

Add a part-number debug printk to facilitate debugging. Signed-off-by: Johan Hovold <[email protected]>
zandrey · Sep 23, 2021 · 90ca6e7 · 90ca6e7
1 parent c32dfec
commit 90ca6e7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
@@ -2140,6 +2140,8 @@ static void cp210x_determine_type(struct usb_serial *serial)
 		return;
 	}
 
+	dev_dbg(&serial->interface->dev, "partnum = 0x%02x\n", priv->partnum);
+
 	switch (priv->partnum) {
 	case CP210X_PARTNUM_CP2102:
 		cp2102_determine_quirks(serial);