Chen Peter-B29397 writes:
> If the class driver has already mapped this address, the req->req.dma is not
> DMA_ADDR_INVALID either, in this case, the dma_sync_single_for_cpu is
> enough.
ok; forget the patch then.
Thanks
Enrico
___
Linuxppc-dev maili
Felipe Balbi writes:
>> > Because the fsl_udc_core driver shares one 'status_req' object for the
>> > complete ep0 control transfer, it is not possible to prime the final
>> > STATUS phase immediately after the IN transaction. E.g. ch9getstatus()
>> > executed:
>> >
>> > | req = udc->status_req
oops e.g. when 'lsusb -v' is executed on the host.
Patch delays the final 'ep0_prime_status(udc, EP_DIR_OUT))' by moving it
into the ep0 completion handler.
Signed-off-by: Enrico Scholz
---
drivers/usb/gadget/fsl_udc_core.c | 16 +++-
1 file changed, 3 insertions(+), 1
s same (or less) runtime costs like evaluating 'req->mapped'.
Signed-off-by: Enrico Scholz
---
drivers/usb/gadget/fsl_udc_core.c | 10 ++
drivers/usb/gadget/fsl_usb2_udc.h | 1 -
2 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/drivers/usb/gadget/fsl_udc_core.c
