static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long start, unsigned long end)
{
struct socket_data *data = s->resource_data;
unsigned long size = end - start + 1;
int ret = 0;
if (end < start)
return -EINVAL;
if (end > IO_SPACE_LIMIT)
return -EINVAL;
down(&rsrc_sem);
switch (action) {
case ADD_MANAGED_RESOURCE:
if (add_interval(&data->io_db, start, size) != 0) {
ret = -EBUSY;
break;
}
#ifdef CONFIG_PCMCIA_PROBE
if (probe_io)
do_io_probe(s, start, size);
#endif
break;
case REMOVE_MANAGED_RESOURCE:
sub_interval(&data->io_db, start, size);
break;
default:
ret = -EINVAL;
break;
}
up(&rsrc_sem);
return ret;
}
static void validate_io(void)
{
resource_map_t *m, *n;
if (!probe_io || io_scan++)
return;
for (m = io_db.next; m != &io_db; m = n) {
n = m->next;
do_io_probe(m->base, m->num);
}
}
