38 lines
603 B
C
38 lines
603 B
C
/*
|
|
* Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
|
|
*
|
|
* Under GPLv2
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <driver.h>
|
|
#include <errno.h>
|
|
|
|
LIST_HEAD(bus_list);
|
|
EXPORT_SYMBOL(bus_list);
|
|
|
|
static struct bus_type *get_bus_by_name(const char *name)
|
|
{
|
|
struct bus_type *bus;
|
|
|
|
for_each_bus(bus) {
|
|
if(!strcmp(bus->name, name))
|
|
return bus;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int bus_register(struct bus_type *bus)
|
|
{
|
|
if (get_bus_by_name(bus->name))
|
|
return -EEXIST;
|
|
|
|
INIT_LIST_HEAD(&bus->device_list);
|
|
INIT_LIST_HEAD(&bus->driver_list);
|
|
|
|
list_add_tail(&bus->list, &bus_list);
|
|
|
|
return 0;
|
|
}
|