powerpc/macio: Add dma_parms support to macio

This adds dma_parms to macio devices and initializes them with
default values. This will allow pata_macio to setup the appropriate
max segment size for the block layer.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 5200acfc9d38..26a303a1d1ab 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -379,6 +379,11 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
         dev->ofdev.dev.parent = parent;
         dev->ofdev.dev.bus = &macio_bus_type;
         dev->ofdev.dev.release = macio_release_dev;
+        dev->ofdev.dev.dma_parms = &dev->dma_parms;
+
+        /* Standard DMA paremeters */
+        dma_set_max_seg_size(&dev->ofdev.dev, 65536);
+        dma_set_seg_boundary(&dev->ofdev.dev, 0xffffffff);
 
 #ifdef CONFIG_PCI
         /* Set the DMA ops to the ones from the PCI device, this could be