diff options
| author | Li Jun <b47624@freescale.com> | 2014-11-12 15:16:33 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:21:39 +0800 |
| commit | 3b80a8ea3fe5ecce085c900600c01e8563d64c95 (patch) | |
| tree | 198cef7657c014a0dffa7c3bec1cea3971edb60d /drivers/usb/core/hub.c | |
| parent | fbccdca8572257eb87ed69b7e7670ce785034060 (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)
(cherry picked from commit 858af83637291d2ececfc7b2b4b17e3a371b53f3)
Diffstat (limited to 'drivers/usb/core/hub.c')
| -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 a073cb5be013..ac32b58d50ea 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4549,7 +4549,8 @@ 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; |