Re: Expected issue? Old PowerMac G5 [...] vs. USB [...] [RealTek EtherNet] devices (...)
Mark Millard via freebsd-ppc <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.ppc |
|---|---|
| Message-ID | <[email protected]> |
On 2021-Feb-1, at 14:28, John-Mark Gurney <jmg at funkthat.com> wrote: > Mark Millard wrote this message on Mon, Feb 01, 2021 at 13:34 -0800: >> On 2021-Feb-1, at 11:47, John-Mark Gurney <jmg at funkthat.com> wrote: >> >>> Mark Millard wrote this message on Sun, Jan 31, 2021 at 13:45 -0800: >>>> . . . >>>> So far it seems to be working just fine. I'm using it >>>> without hw.usb.xhci.use_polling=1 . >>> >>> Is the axge a USB3 or USB3 device? The driver attached to both... >> >> The axge, like all my USB Ethernet devices, is USB3 capable but >> is supposed to support use in USB2 contexts. The PowerMac, of >> course, is old and only has USB2. > > Then why bother w/ xhci? Since that should apply only to USB3 > controllers... If your mac isn't USB3 compatible, shouldn't be > detected/probed/used, and you should only have ehci... > > This is why I was puzzled, tweaking xhci implies that the system is > USB3 capable... > > (if xhci changes USB2 behavior, then it needs to be renamed)... Given the variability in behavior I'm seeing, I likely mistook an accidental correspondence back during the summer as a "this makes a difference for whatever reason". I had left material around to remind me that I'd used hw.usb.xhci.use_polling=1 back then, but not any detail. Technically I do not have the knowledge of the software structure to rule out its getting to ehci support indirectly. === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar) _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-ppc To unsubscribe, send any mail to "[email protected]"