diff mbox series

[2/2] USB: serial: cp210x: add part-number debug printk

Message ID 20210922113100.20888-2-johan@kernel.org (mailing list archive)
State Superseded
Commit 90ca6e7db83a06e9173bee5bb34ded3b37f4948d
Headers show
Series [1/2] USB: serial: cp210x: fix dropped characters with CP2102 | expand

Commit Message

Johan Hovold Sept. 22, 2021, 11:31 a.m. UTC 
Add a part-number debug printk to facilitate debugging.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/usb/serial/cp210x.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index b98454fe08ea..fd51498ab108 100644
--- 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);