Olof Johansson b9a3b4d145
pata_platform: don't use generic ata_port_start ...
I have a system where I have a simple IDE controller that sits on a
local bus without bus master dma capability, and thus no dma_mapping
ops defined for the device/bus.
pata_platform works great for me, with the exception of using the generic
ata_port_start which tries to do a dmam_alloc_coherent.
Looks like it doesn't need to allocate a prd table at all, so replace it
with a dummy function instead.
Signed-off-by: Olof Johansson <olof@lixom.net >
Signed-off-by: Jeff Garzik <jeff@garzik.org >
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Olof Johansson
b9a3b4d145