From 448016e3265410ee61006da1ffa3478854baba4b Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Mon, 10 Nov 2025 12:12:06 +0100 Subject: [PATCH] USB: serial: ftdi_sio: silence jtag probe Probe of a device should generally be silent unless errors are encountered. Stop logging that the JTAG port is ignored when probing devices with such a reserved port. This also maintains consistency with devices that match on interface number to avoid binding to reserved ports. Note that the message is not even correct for the second port of the ST Micro Connect Lite. Signed-off-by: Johan Hovold --- drivers/usb/serial/ftdi_sio.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 36c8830281b94..05b3c558d1e29 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -2294,10 +2294,8 @@ static int ftdi_jtag_probe(struct usb_serial *serial) struct usb_interface *intf = serial->interface; int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - if (ifnum == 0) { - dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n"); + if (ifnum == 0) return -ENODEV; - } return 0; } @@ -2330,10 +2328,8 @@ static int ftdi_stmclite_probe(struct usb_serial *serial) struct usb_interface *intf = serial->interface; int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - if (ifnum < 2) { - dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n"); + if (ifnum < 2) return -ENODEV; - } return 0; } -- 2.47.3