[PATCH v1 2/2] usb: gadget: udc: core: Print error code in usb_gadget_probe_driver()

Andy Shevchenko
2021-10-04T14:41:46Z

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.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);
--
2.33.0