On 05/08/2014 07:21 PM, Dan Williams wrote:
On Thu, May 8, 2014 at 9:25 AM, Mathias Nyman
<mathias.nyman@xxxxxxxxxxxxxxx> wrote:
From: Dan Williams <dan.j.williams@xxxxxxxxx>
Save someone else the debug cycles of figuring out why a driver's
transfer request is failing or causing undefined system behavior.
Buffers submitted for dma must come from GFP allocated / DMA-able
memory.
Return -EAGAIN matching the return value for dma_mapping_error() cases.
Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx>
Cc: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
Thanks Mathias.
One note, this was acked-by Alan here:
http://marc.info/?l=linux-usb&m=139327920501989&w=2
Ah, Right
Greg, Alan, Should I resubmit this series with the added ACK for this patch?
-Mathias
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