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Commit 34060104 authored by Stephen Rothwell's avatar Stephen Rothwell
Browse files

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: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
parent 915124d8

arch/powerpc/kernel/vio.c

+11 −0
Original line number Diff line number Diff line
@@ -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);

}

include/asm-powerpc/vio.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

};