Rajesh Bhagat <rajesh.bhagat@xxxxxxx> writes: > [ text/plain ] > The 0.95 xHCI spec says that non-control endpoints will be halted if a > babble is detected on a transfer. The 0.96 xHCI spec says all types of > endpoints will be halted when a babble is detected. Some hardware that > claims to be 0.95 compliant halts the control endpoint anyway. > > Reference: http://www.spinics.net/lists/linux-usb/msg21755.html > > Signed-off-by: Rajesh Bhagat <rajesh.bhagat@xxxxxxx> Reviewed-by: Felipe Balbi <balbi@xxxxxxxxxx> > --- > drivers/usb/host/xhci-ring.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c > index 3915657..59841a9 100644 > --- a/drivers/usb/host/xhci-ring.c > +++ b/drivers/usb/host/xhci-ring.c > @@ -1768,7 +1768,7 @@ static int xhci_requires_manual_halt_cleanup(struct xhci_hcd *xhci, > if (trb_comp_code == COMP_TX_ERR || > trb_comp_code == COMP_BABBLE || > trb_comp_code == COMP_SPLIT_ERR) > - /* The 0.96 spec says a babbling control endpoint > + /* The 0.95 spec says a babbling control endpoint > * is not halted. The 0.96 spec says it is. Some HW > * claims to be 0.95 compliant, but it halts the control > * endpoint anyway. Check if a babble halted the > -- > 2.6.2.198.g614a2ac > > -- > 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 -- balbi
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