Hi, > > On Thu, Jul 19, 2012 at 01:41:59PM +0530, Ajay Kumar Gupta wrote: > > > Fixes endpoint starvation issue when more than one bulk QH is > > > multiplexed on the reserved bulk TX endpoint. > > > > > > This patch sets the NAK timeout interval for such QHs, and when > > > a timeout triggers the next QH will be scheduled. > > > > > > This scheme doesn't work for devices which are connected to a > > > high to full speed tree (transaction translator) as there is > > > no NAK timeout interrupt from the musb controller from such > > > devices. > > > > > > Signed-off-by: Ajay Kumar Gupta <ajay.gu...@ti.com> > > > > Are you saying this patch will break full speed devices when we have a > > HS hub in between ? If that's the case I cannot take this patch... > > This only says that this NAK timeout scheme will not work in such cases > and so will continue to work the way it is currently available. Which means > IN tokens being sent continuously to a NAKing device.
and for OUT case, PING token being sent to a NAKing device and we not able to use NAK timeout scheme to use the hardware endpoint resource for other devices. Ajay > > Ajay > > > > -- > > balbi > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
