From: Mark Brown <broonie@linaro.org>
Date: Wed, 7 Aug 2013 21:32:40 +0000 (+0100)
Subject: usb/hcd: Log error code if reset() fails
X-Git-Tag: v3.12-rc1~186^2~92
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c10750b2bee7677fe76c97c53e079937802dc68c;p=profile%2Fivi%2Fkernel-x86-ivi.git

usb/hcd: Log error code if reset() fails

If someone provided meaningful error codes from reset() we should tell the
user what they were.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 0ffe016..5aa1d13 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2653,7 +2653,7 @@ int usb_add_hcd(struct usb_hcd *hcd,
 	 * should already have been reset (and boot firmware kicked off etc).
 	 */
 	if (hcd->driver->reset && (retval = hcd->driver->reset(hcd)) < 0) {
-		dev_err(hcd->self.controller, "can't setup\n");
+		dev_err(hcd->self.controller, "can't setup: %d\n", retval);
 		goto err_hcd_driver_setup;
 	}
 	hcd->rh_pollable = 1;