Hi Christoph, On Wed, Sep 25, 2013 at 7:17 AM, Christoph Fritz <chf.fritz@xxxxxxxxxxxxxx> wrote: > On Tue, 2013-04-09 at 14:28 -0300, Fabio Estevam wrote: >> On Mon, Apr 8, 2013 at 9:09 PM, Fabio Estevam <festevam@xxxxxxxxx> wrote: >> >> >> I know that I have to use the driver ULPI but with my configuration, I >> >> get these errors : >> >> " >> >> ehci-mxc: Freescale On-Chip EHCI Host driver >> >> mxc-ehci mxc-ehci.0: initializing i.MX USB Controller >> >> timeout polling for ULPI device >> >> mxc-ehci mxc-ehci.0: unable to init transceiver, probably missing >> >> Just tested mx31pdk on a 3.8.6 kernel and I got: >> >> ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver >> ehci-mxc: Freescale On-Chip EHCI Host driver >> mxc-ehci mxc-ehci.0: initializing i.MX USB Controller >> ULPI transceiver vendor/product ID 0x04cc/0x1504 >> Found NXP ISP1504 ULPI transceiver. >> ULPI integrity check: passed. >> mxc-ehci mxc-ehci.0: EHCI Host Controller >> mxc-ehci mxc-ehci.0: new USB bus registered, assigned bus number 1 >> mxc-ehci mxc-ehci.0: irq 53, io mem 0x43f88000 >> mxc-ehci mxc-ehci.0: USB 2.0 started, EHCI 1.00 >> hub 1-0:1.0: USB hub found >> hub 1-0:1.0: 1 port detected >> mxc-ehci mxc-ehci.2: initializing i.MX USB Controller >> timeout polling for ULPI device >> mxc-ehci mxc-ehci.2: unable to init transceiver, probably missing > > Any updates on this? > > I'm facing the same kind of issue with an SMSC3340 phy connected to an > imx.27: After some minutes in power-off state, the first boot fails to > detect the ULPI device connected to USBOTG-Pins, no matter if host- or > device-mode is configured. > But the strange thing is that then, after a reboot or reset the phy gets > detected. I haven't looked closely at this issue since then. Are you able to use the chipidea driver instead of the ehci-mxc? Regards, Fabio Estevam -- 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