dm: usb: Deal with USB keyboard persisting across tests
Clear any USB-keyboard devices before running a unit test, to avoid
using a stale udevice pointer in stdio. Add a long comment to explain
this situation and why this solution seems best, at least for now.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index 1d9845b..bbfee23 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -137,6 +137,11 @@
/* The period of time between two calls of usb_kbd_testc(). */
static unsigned long kbd_testc_tms;
+int usb_kbd_remove_for_test(void)
+{
+ return console_remove_by_name(DEVNAME);
+}
+
/* Puts character in the queue and sets up the in and out pointer. */
static void usb_kbd_put_queue(struct usb_kbd_pdata *data, u8 c)
{