spi_new_device(struct spi_master *master, struct spi_board_info *chip)
{
struct spi_device *proxy;
- struct device *dev = master->cdev.dev;
+ struct device *dev = &master->dev;
int status;
/* NOTE: caller did any chip->bus_num checks necessary */
proxy->modalias = chip->modalias;
snprintf(proxy->dev.bus_id, sizeof proxy->dev.bus_id,
- "%s.%u", master->cdev.class_id,
+ "%s.%u", master->dev.bus_id,
chip->chip_select);
proxy->dev.parent = dev;
proxy->dev.bus = &spi_bus_type;
scan_boardinfo(struct spi_master *master)
{
struct boardinfo *bi;
- struct device *dev = master->cdev.dev;
+ struct device *dev = master->dev.parent;
down(&board_lock);
list_for_each_entry(bi, &board_list, list) {
/*-------------------------------------------------------------------------*/
-static void spi_master_release(struct class_device *cdev)
+static void spi_master_release(struct device *dev)
{
struct spi_master *master;
- master = container_of(cdev, struct spi_master, cdev);
+ master = container_of(dev, struct spi_master, dev);
kfree(master);
}
static struct class spi_master_class = {
.name = "spi_master",
.owner = THIS_MODULE,
- .release = spi_master_release,
+ .dev_release = spi_master_release,
};
if (!master)
return NULL;
- class_device_initialize(&master->cdev);
- master->cdev.class = &spi_master_class;
- kobj_set_kset_s(&master->cdev, spi_master_class.subsys);
- master->cdev.dev = get_device(dev);
+ device_initialize(&master->dev);
+ master->dev.class = &spi_master_class;
+ master->dev.parent = get_device(dev);
spi_master_set_devdata(master, &master[1]);
return master;
spi_register_master(struct spi_master *master)
{
static atomic_t dyn_bus_id = ATOMIC_INIT((1<<16) - 1);
- struct device *dev = master->cdev.dev;
+ struct device *dev = master->dev.parent;
int status = -ENODEV;
int dynamic = 0;
/* register the device, then userspace will see it.
* registration fails if the bus ID is in use.
*/
- snprintf(master->cdev.class_id, sizeof master->cdev.class_id,
+ snprintf(master->dev.bus_id, sizeof master->dev.bus_id,
"spi%u", master->bus_num);
- status = class_device_add(&master->cdev);
+ status = device_add(&master->dev);
if (status < 0)
goto done;
- dev_dbg(dev, "registered master %s%s\n", master->cdev.class_id,
+ dev_dbg(dev, "registered master %s%s\n", master->dev.bus_id,
dynamic ? " (dynamic)" : "");
/* populate children from any spi device tables */
{
int dummy;
- dummy = device_for_each_child(master->cdev.dev, NULL, __unregister);
- class_device_unregister(&master->cdev);
+ dummy = device_for_each_child(&master->dev, NULL, __unregister);
+ device_unregister(&master->dev);
}
EXPORT_SYMBOL_GPL(spi_unregister_master);
*/
struct spi_master *spi_busnum_to_master(u16 bus_num)
{
- char name[9];
- struct kobject *bus;
-
- snprintf(name, sizeof name, "spi%u", bus_num);
- bus = kset_find_obj(&spi_master_class.subsys.kset, name);
- if (bus)
- return container_of(bus, struct spi_master, cdev.kobj);
- return NULL;
+ struct class_device *cdev;
+ struct spi_master *master = NULL;
+ struct spi_master *m;
+
+ down(&spi_master_class.sem);
+ list_for_each_entry(cdev, &spi_master_class.children, node) {
+ m = container_of(cdev, struct spi_master, dev.kobj);
+ if (m->bus_num == bus_num) {
+ master = spi_master_get(m);
+ break;
+ }
+ }
+ up(&spi_master_class.sem);
+ return master;
}
EXPORT_SYMBOL_GPL(spi_busnum_to_master);