From 20733e6d3f34033052181f6d094d6eed19ac77ed Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Oct 2021 17:41:26 +0300
Subject: [PATCH] usb: gadget: udc: core: Print error code in
 usb_gadget_probe_driver()
Git-commit: 20733e6d3f34033052181f6d094d6eed19ac77ed
References: git-fixes
Patch-mainline: v5.16-rc1

When the UDC is not found, print also the error code for easier debugging.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211004144126.49154-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
 drivers/usb/gadget/udc/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index f66ac6f8011e..d6265118647b 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1564,7 +1564,7 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
 
 	mutex_unlock(&udc_lock);
 	if (ret)
-		pr_warn("couldn't find an available UDC or it's busy\n");
+		pr_warn("couldn't find an available UDC or it's busy: %d\n", ret);
 	return ret;
 found:
 	ret = udc_bind_to_driver(udc, driver);
-- 
2.39.0