From df5c1734eaa7d0b4aef2ce17f6316e4977945e7c Mon Sep 17 00:00:00 2001
From: stefanrueger <stefan.rueger@urclocks.com>
Date: Fri, 24 Oct 2025 10:29:25 +0200
Subject: [PATCH] Warn that -P option is ignored for ch341a

---
 src/ch341a.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ch341a.c b/src/ch341a.c
index 653ffb1a..b719f5ac 100644
--- a/src/ch341a.c
+++ b/src/ch341a.c
@@ -201,7 +201,9 @@ static int ch341a_open(PROGRAMMER *pgm, const char *port) {
   int errorCode = USB_ERROR_NOTFOUND;
   libusb_device_handle *handle = NULL;
 
-  pmsg_trace("ch341a_open(\"%s\")\n", port);
+  pmsg_debug("%s(\"%s\")\n", __func__, port);
+  if(!str_eq(port, "usb"))
+    pmsg_warning("option -P %s ignored\n", port);
 
   if(!my.USB_init) {
     my.USB_init = 1;