--- zzzz-none-000/linux-5.15.111/drivers/tty/serial/8250/8250_port.c	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/drivers/tty/serial/8250/8250_port.c	2024-02-07 10:23:21.000000000 +0000
@@ -2083,8 +2083,12 @@
 
 		if ((status & bits) == bits)
 			break;
-		if (--tmout == 0)
+		if (--tmout == 0) {
+			dev_err(up->port.dev,
+					"timeout waiting for LSR bits %x\n",
+					bits);
 			break;
+		}
 		udelay(1);
 		touch_nmi_watchdog();
 	}