| From 9b297faabe3fc35741746aca39128fbb12e28113 Mon Sep 17 00:00:00 2001 |
| From: Li Jun <b47624@freescale.com> |
| Date: Wed, 12 Nov 2014 15:16:33 +0800 |
| Subject: [PATCH] MLK-9829 usb: core: print suggested message if failed to get |
| device descriptor |
| MIME-Version: 1.0 |
| Content-Type: text/plain; charset=UTF-8 |
| Content-Transfer-Encoding: 8bit |
| |
| 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) |
| --- |
| drivers/usb/core/hub.c | 3 ++- |
| 1 file changed, 2 insertions(+), 1 deletion(-) |
| |
| --- a/drivers/usb/core/hub.c |
| +++ b/drivers/usb/core/hub.c |
| @@ -4782,7 +4782,8 @@ hub_port_init(struct usb_hub *hub, struc |
| } |
| 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; |