Hi On Wed, Nov 8, 2017 at 11:45 AM, Fabio Estevam <festevam@xxxxxxxxx> wrote: > Hi Michael, > > Adding Peter Chen. > > On Wed, Nov 8, 2017 at 8:41 AM, Michael Nazzareno Trimarchi > <michael@xxxxxxxxxxxxxxxxxxxx> 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? > > Does it help if you pass 'usbcore.autosuspend=-1' in the kernel command line? No this not help. I even activate some errata on fsl core. In the past freescale was using fsl_ehci and this a strange phy because it's full speed on top ehci. If I force this errata: ehci_has_fsl_hs_errata nothing change ;) The nice think is that after the first port reset not only the usb pendrive is not detected but even the hub stop to work Michael -- | Michael Nazzareno Trimarchi Amarula Solutions BV | | COO - Founder Cruquiuskade 47 | | +31(0)851119172 Amsterdam 1018 AM NL | | [`as] http://www.amarulasolutions.com | -- 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
