*/
static void spidev_release(struct device *dev)
{
- const struct spi_device *spi = to_spi_device(dev);
+ struct spi_device *spi = to_spi_device(dev);
/* spi masters may cleanup for released devices */
if (spi->master->cleanup)
* this is exported so that for example a USB or parport based adapter
* driver could add devices (which it would learn about out-of-band).
*/
-struct spi_device *__init_or_module
-spi_new_device(struct spi_master *master, struct spi_board_info *chip)
+struct spi_device *spi_new_device(struct spi_master *master,
+ struct spi_board_info *chip)
{
struct spi_device *proxy;
struct device *dev = master->cdev.dev;
* the master's methods before calling spi_register_master(); and (after errors
* adding the device) calling spi_master_put() to prevent a memory leak.
*/
-struct spi_master * __init_or_module
-spi_alloc_master(struct device *dev, unsigned size)
+struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
{
struct spi_master *master;
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);
spi_master_set_devdata(master, &master[1]);
* After a successful return, the caller is responsible for calling
* spi_unregister_master().
*/
-int __init_or_module
-spi_register_master(struct spi_master *master)
+int 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 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, cdev);
+ 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);