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| author | Tom Jones <thj@FreeBSD.org> | 2025-07-08 08:04:00 +0000 |
|---|---|---|
| committer | Tom Jones <thj@FreeBSD.org> | 2025-09-15 14:44:05 +0000 |
| commit | d566b6a70bcbc329e8c690464043401fa8bdd49f (patch) | |
| tree | d0bbd4c654113da9fa187d8b07889cdf6a636597 /sys/gnu | |
| parent | f1b656f14464c2e3ec4ab2eeade3b00dce4bd459 (diff) | |
xhci offers a debugging interface which uses a special usb 3 cable with the D+,
D- and VBUS pairs disconnected. This interface allows a target device to
configure its xhci controller as a debugging channel which can then be used to
provide a serial link between the target and a debug host.
This change extracts the udbc host mode driver from hrs@'s xhci debug
implementation.
Reviewed by: bcr (man page)
MFC after: Before 15-ALPHA3 builds
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D51299
Diffstat (limited to 'sys/gnu')
0 files changed, 0 insertions, 0 deletions