diff options
| author | Li Jun <b47624@freescale.com> | 2014-11-12 15:16:33 +0800 |
|---|---|---|
| committer | Li Jun <jun.li@freescale.com> | 2015-05-28 16:43:03 +0800 |
| commit | 35d462f9c4189ea68a0ea408a7c556af34afee30 (patch) | |
| tree | d442d368370dae85155f696614db3b209adfbbc9 | |
| parent | 1567901fabb18bb3975c71565577b9f208754faa (diff) | |
MLK-9829 usb: core: print suggested message if failed to get device descriptor
This is required for USB OTG and EH compliance test 6.7.22(A-UUT “Device No
Response” for connection timeout). When the connected usb device(PET) does
not response to transactions, host will fail to get device descriptor.
Signed-off-by: Li Jun <jun.li@freescale.com>
(cherry picked from commit 86d0bd661ecbbdf97dd9a8ddbaf0d3811de7f39e)
| -rw-r--r-- | drivers/usb/core/hub.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index de1cffe3cd8a..683df67956b0 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4236,7 +4236,8 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, } if (r) { if (r != -ENODEV) - dev_err(&udev->dev, "device descriptor read/64, error %d\n", + dev_err(&udev->dev, + "device no response, device descriptor read/64, error %d\n", r); retval = -EMSGSIZE; continue; |