Hi Robin,
On 2017-10-13 12:48, Robin Murphy wrote:
On 13/10/17 09:15, Marek Szyprowski wrote:
On 2017-10-11 15:56, Robin Murphy wrote:
xHCI requires that data buffers do not cross 64KB boundaries (and are
thus at most 64KB long as well) - whilst xhci_queue_{bulk,isoc}_tx()
already split their
Hi Marek,
On 13/10/17 09:15, Marek Szyprowski wrote:
> Hi Robin,
>
> On 2017-10-11 15:56, Robin Murphy wrote:
>> xHCI requires that data buffers do not cross 64KB boundaries (and are
>> thus at most 64KB long as well) - whilst xhci_queue_{bulk,isoc}_tx()
>> already split their input buffers into
Hi Robin,
On 2017-10-11 15:56, Robin Murphy wrote:
xHCI requires that data buffers do not cross 64KB boundaries (and are
thus at most 64KB long as well) - whilst xhci_queue_{bulk,isoc}_tx()
already split their input buffers into individual TRBs as necessary,
it's still a good idea to advertise t
xHCI requires that data buffers do not cross 64KB boundaries (and are
thus at most 64KB long as well) - whilst xhci_queue_{bulk,isoc}_tx()
already split their input buffers into individual TRBs as necessary,
it's still a good idea to advertise the limitations via the standard DMA
API mechanism, so