diff options
| author | hselasky <hselasky@FreeBSD.org> | 2012-10-01 05:42:43 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2012-10-01 05:42:43 +0000 |
| commit | c081610de9c447caf8b6eb3137c7529f871ba3cb (patch) | |
| tree | d1865f2fe48b18b7e4afe4cd5abe6f41cfde18ba /sys/dev/usb/usb_hub.c | |
| parent | c5105a1581548a5e5614be938eeee28e123a0b4a (diff) | |
| download | FreeBSD-src-c081610de9c447caf8b6eb3137c7529f871ba3cb.zip FreeBSD-src-c081610de9c447caf8b6eb3137c7529f871ba3cb.tar.gz | |
Inherit USB mode from RootHUB port where the USB device is connected.
Only RootHUB ports can be dual mode. Disallow OTG ports on external HUBs.
This simplifies some checks in the USB controller drivers.
MFC after: 1 week
Diffstat (limited to 'sys/dev/usb/usb_hub.c')
| -rw-r--r-- | sys/dev/usb/usb_hub.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/dev/usb/usb_hub.c b/sys/dev/usb/usb_hub.c index 2f3dbe5..0686bdf 100644 --- a/sys/dev/usb/usb_hub.c +++ b/sys/dev/usb/usb_hub.c @@ -518,7 +518,10 @@ repeat: * * NOTE: This part is currently FreeBSD specific. */ - if (sc->sc_st.port_status & UPS_PORT_MODE_DEVICE) + if (udev->parent_hub != NULL) { + /* inherit mode from the parent HUB */ + mode = udev->parent_hub->flags.usb_mode; + } else if (sc->sc_st.port_status & UPS_PORT_MODE_DEVICE) mode = USB_MODE_DEVICE; else mode = USB_MODE_HOST; |
