powerpc: Add a shutdown member to vio_driver

Add a shutdown member to struct vio_driver. We also need vio_bus_shutdown()
which converts from struct device to struct vio_dev and knows how to extract
the struct vio_driver.

Original patch adjusted for different location of vio.c.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/asm-powerpc/vio.h b/include/asm-powerpc/vio.h
index 104c58501d0c..e0ccf108277c 100644
--- a/include/asm-powerpc/vio.h
+++ b/include/asm-powerpc/vio.h
@@ -58,6 +58,7 @@ struct vio_driver {
         const struct vio_device_id *id_table;
         int (*probe)(struct vio_dev *dev, const struct vio_device_id *id);
         int (*remove)(struct vio_dev *dev);
+        void (*shutdown)(struct vio_dev *dev);
         unsigned long driver_data;
         struct device_driver driver;
 };