[PATCH] fsldma: use PCI Read Multiple command

Timur Tabi timur at freescale.com
Tue Apr 28 23:43:22 EST 2009


David Hawkins wrote:
>> How about FIFO RAM case?
> 
> If the FIFO has a fixed address, then according to
> the user guide, the DMA controller won't generate
> a burst transaction to it.
> 
> We can try confirming this if you'd like.

Like I said earlier, this driver does not support copying data to/from a
single register address.  It's just a off-loaded memcpy.  So we don't
need to worry about what happens to a fixed address.

-- 
Timur Tabi
Linux kernel developer at Freescale



More information about the Linuxppc-dev mailing list