On Wed, Nov 08, 2017 at 11:41:28AM +0100, Michael Nazzareno Trimarchi wrote: > Hi Alan > > I'm working on IMX25 platform where I have a USB251xBi family > connected to the ehci full speed serial port. > IMX25 is capable to manage only full speed port using internal > transceiver. Now we found a usb key where > I get : > > [ 2.457831] usb 2-1.2: new full-speed USB device number 3 using ci_hdrc > [ 8.593153] usb 2-1-port2: cannot reset (err = -110) > [ 9.633234] usb 2-1-port2: cannot reset (err = -110) > [ 10.673155] usb 2-1-port2: cannot reset (err = -110) > [ 11.732003] usb 2-1-port2: cannot reset (err = -110) > [ 12.833154] usb 2-1-port2: cannot reset (err = -110) > [ 12.836859] usb 2-1-port2: Cannot enable. Maybe the USB cable is bad? > > According to the usb mon. > > c2d58d00 68617643 S Ci:2:001:0 s a3 00 0000 0001 0004 4 < > c2d58d00 68618137 C Ci:2:001:0 0 4 = 07010000 > c3af0400 68618386 S Ii:2:001:1 -115:2048 4 < > c3af0400 68620163 C Ii:2:001:1 0:2048 1 = 00 > c3af0400 68620222 S Ii:2:001:1 -115:2048 4 < > c3af0400 68639567 C Ii:2:001:1 0:2048 1 = 00 > c3af0400 68639625 S Ii:2:001:1 -115:2048 4 < > c3af0400 68670109 C Ii:2:001:1 0:2048 1 = 02 > c3af0400 68670166 S Ii:2:001:1 -115:2048 4 < > c2d58d00 68670268 S Ci:2:001:0 s a3 00 0000 0001 0004 4 < > c2d58d00 68670350 C Ci:2:001:0 0 4 = 03010400 > c2d58d00 68670407 S Co:2:001:0 s 23 01 0012 0001 0000 0 > c2d58d00 68670458 C Co:2:001:0 0 0 > c2d58d00 68700154 S Ci:2:001:0 s a3 00 0000 0001 0004 4 < > c2d58d00 68700242 C Ci:2:001:0 0 4 = 03010000 > c2d58d00 68700303 S Ci:2:002:0 s 80 00 0000 0000 0002 2 < > c2d58d00 68701753 C Ci:2:002:0 0 2 = 0300 > c2d58d00 68701846 S Co:2:002:0 s 00 01 0001 0000 0000 0 > c2d58d00 68702725 C Co:2:002:0 0 0 > c2d58d00 68702820 S Ci:2:002:0 s a3 00 0000 0001 0004 4 < > c2d58d00 68703729 C Ci:2:002:0 0 4 = 00010000 > c2d58d00 68703822 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < > c2d58d00 68704729 C Ci:2:002:0 0 4 = 01010100 > c2d58d00 68704815 S Co:2:002:0 s 23 01 0010 0002 0000 0 > c2d58d00 68705724 C Co:2:002:0 0 0 > c38f7700 68820138 S Ii:2:002:1 -115:128 1 < > c2d58d00 68820312 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < > c2d58d00 68821749 C Ci:2:002:0 0 4 = 01010000 > c2d58d00 68821925 S Co:2:002:0 s 23 03 0004 0002 0000 0 > c2d58d00 68822736 C Co:2:002:0 0 0 > c2d58d00 68850140 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < > c2d58d00 68850753 C Ci:2:002:0 0 4 = 03011000 > c2d58d00 68850854 S Co:2:002:0 s 23 01 0014 0002 0000 0 > c2d58d00 68851730 C Co:2:002:0 0 0 > c2d58d00 68925567 S Ci:2:000:0 s 80 06 0100 0000 0040 64 < > c2d58d00 74025331 C Ci:2:000:0 -2 0 > c2d58d00 74025708 S Co:2:002:0 s 23 03 0004 0002 0000 0 > c2d58d00 75065346 C Co:2:002:0 -2 0 > c2d58d00 75069418 S Co:2:002:0 s 23 03 0004 0002 0000 0 > c2d58d00 76105354 C Co:2:002:0 -2 0 > c2d58d00 76109426 S Co:2:002:0 s 23 03 0004 0002 0000 0 > c2d58d00 77145318 C Co:2:002:0 -2 0 > c2d58d00 77149387 S Co:2:002:0 s 23 03 0004 0002 0000 0 > c2d58d00 78185294 C Co:2:002:0 -2 0 > c2d58d00 78189364 S Co:2:002:0 s 23 03 0004 0002 0000 0 > c2d58d00 79225299 C Co:2:002:0 -2 0 > c2d58d00 79236068 S Co:2:002:0 s 23 01 0001 0002 0000 0 > > Seems that I can not come out from the reset. I have tried all the > kernels and having the same problem. Only the 2.6.x from freescale is > not affected but this is not helping me. > > Do you have any suggestion? > Would you try to dump USB registers between two kernel versions? -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
