diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-03-26 19:06:30 +0000 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-03-28 11:33:24 +1100 |
commit | cb52d8970eee65bf2c47d9a91bd4f58b17f595f4 (patch) | |
tree | 43521ba99805f293e09a284901cb5435afeab789 /arch/powerpc | |
parent | 1d9a47315042606b4217691bcea36cfa6ccbde66 (diff) | |
download | op-kernel-dev-cb52d8970eee65bf2c47d9a91bd4f58b17f595f4.zip op-kernel-dev-cb52d8970eee65bf2c47d9a91bd4f58b17f595f4.tar.gz |
powerpc+sparc/vio: Modernize driver registration
This makes vio_register_driver() get the module owner & name at compile
time like PCI drivers do, and adds a name pointer directly in struct
vio_driver to avoid having to explicitly initialize the embedded
struct device.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/include/asm/vio.h | 10 | ||||
-rw-r--r-- | arch/powerpc/kernel/vio.c | 12 |
2 files changed, 17 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h index 0a290a1..6bfd5ff 100644 --- a/arch/powerpc/include/asm/vio.h +++ b/arch/powerpc/include/asm/vio.h @@ -69,6 +69,7 @@ struct vio_dev { }; struct vio_driver { + const char *name; 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); @@ -76,10 +77,17 @@ struct vio_driver { * be loaded in a CMO environment if it uses DMA. */ unsigned long (*get_desired_dma)(struct vio_dev *dev); + const struct dev_pm_ops *pm; struct device_driver driver; }; -extern int vio_register_driver(struct vio_driver *drv); +extern int __vio_register_driver(struct vio_driver *drv, struct module *owner, + const char *mod_name); +/* + * vio_register_driver must be a macro so that KBUILD_MODNAME can be expanded + */ +#define vio_register_driver(driver) \ + __vio_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) extern void vio_unregister_driver(struct vio_driver *drv); extern int vio_cmo_entitlement_update(size_t); diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index bca3fc4..b2f7c84 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -1159,17 +1159,21 @@ static int vio_bus_remove(struct device *dev) * vio_register_driver: - Register a new vio driver * @drv: The vio_driver structure to be registered. */ -int vio_register_driver(struct vio_driver *viodrv) +int __vio_register_driver(struct vio_driver *viodrv, struct module *owner, + const char *mod_name) { - printk(KERN_DEBUG "%s: driver %s registering\n", __func__, - viodrv->driver.name); + pr_debug("%s: driver %s registering\n", __func__, viodrv->name); /* fill in 'struct driver' fields */ + viodrv->driver.name = viodrv->name; + viodrv->driver.pm = viodrv->pm; viodrv->driver.bus = &vio_bus_type; + viodrv->driver.owner = owner; + viodrv->driver.mod_name = mod_name; return driver_register(&viodrv->driver); } -EXPORT_SYMBOL(vio_register_driver); +EXPORT_SYMBOL(__vio_register_driver); /** * vio_unregister_driver - Remove registration of vio driver. |