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powerpc: Add a shutdown member to vio_driver

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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>
This commit is contained in:
Stephen Rothwell 2005-10-24 17:40:23 +10:00
parent 915124d811
commit 340601043d
2 changed files with 12 additions and 0 deletions
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11
arch/powerpc/kernel/vio.c
View file

@ -69,6 +69,16 @@ static int vio_bus_remove(struct device *dev)
return 1;
}
/* convert from struct device to struct vio_dev and pass to driver. */
static void vio_bus_shutdown(struct device *dev)
{
struct vio_dev *viodev = to_vio_dev(dev);
struct vio_driver *viodrv = to_vio_driver(dev->driver);
if (viodrv->shutdown)
viodrv->shutdown(viodev);
}
/**
* vio_register_driver: - Register a new vio driver
* @drv: The vio_driver structure to be registered.
@ -82,6 +92,7 @@ int vio_register_driver(struct vio_driver *viodrv)
viodrv->driver.bus = &vio_bus_type;
viodrv->driver.probe = vio_bus_probe;
viodrv->driver.remove = vio_bus_remove;
viodrv->driver.shutdown = vio_bus_shutdown;
return driver_register(&viodrv->driver);
}

1
include/asm-powerpc/vio.h
View file

@ -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;
};