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, 1 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h
index 2b7b39294a6a..86d5fed1c49f 100644
--- a/arch/powerpc/include/asm/macio.h
+++ b/arch/powerpc/include/asm/macio.h
@@ -39,6 +39,7 @@ struct macio_dev
         struct macio_bus        *bus;           /* macio bus this device is on */
         struct macio_dev        *media_bay;     /* Device is part of a media bay */
         struct of_device        ofdev;
+        struct device_dma_parameters dma_parms; /* ide needs that */
         int                     n_resources;
         struct resource         resource[MACIO_DEV_COUNT_RESOURCES];
         int                     n_interrupts;