On Wed, Jan 7, 2015 at 2:22 AM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Tue, 6 Jan 2015, Michael Tessier wrote: > >> > > > > That is interresting, however, I have an older kernel running an >> > > > > OHCI driver which is able to handle 4 codecs. Same usb hardware >> > > > > (codecs and hub), but older kernel on a different CPU, with much >> > > > > less power. This makes me believe that there's a solution to make it work... >> > > > >> > > > Of course there is: Install an OHCI host controller and use it to drive your codecs. It should work fine. >> >> What do you mean by that? The host controller is embedded in the i.MX CPU... >> Changing the CPU is not really an option to me. Unless I am missing >> something? > > I didn't realize you were talking about an i.MX-based system. On a > computer with a free PCI slot, it's easy to add an OHCI controller. > iMX isn't as accomodating. > iMX uses chipidea controller which TT is build-in, and it does NOT support OHCI controller. > If there's no way to add an extra USB controller to your system then > the only choice is to upgrade the driver software. > > Alan Stern > > -- > 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 -- BR, 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
