On Mon, Sep 18, 2017 at 11:16:26AM +0300, Peter Ujfalusi wrote: > Memory to Memory transfers does not have any special alignment needs > regarding to acnt array size, but if one of the areas are in memory mapped > regions (like PCIe memory), we need to make sure that the acnt array size > is aligned with the mem copy parameters. > > Before "dmaengine: edma: Optimize memcpy operation" change the memcpy was set > up in a different way: acnt == number of bytes in a word based on > __ffs((src | dest | len), bcnt and ccnt for looping the necessary number of > words to comlete the trasnfer. > > Instead of reverting the commit we can fix it to make sure that the ACNT size > is aligned to the traswnfer.
Applied, thanks -- ~Vinod
