tree 37c076363e30101b9c84babce595cfe7956104a7
parent 987fed3bf6982f2627d4fa242caa9026ef61132a
author Michael Ellerman <michael@ellerman.id.au> 1245712428 +0000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1245991042 +1000

powerpc: Swiotlb breaks pseries

Turning on SWIOTLB selects or enables PPC_NEED_DMA_SYNC_OPS, which means
we get the non empty versions of dma_sync_* in asm/dma-mapping.h

On my pseries machine the dma_ops have no such routines and we die with
a null pointer - this patch gets it booting, is there a more elegant way
to do it?

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>