static ssize_t rtl_set_state(struct sysdev_class *dev,
struct sysdev_class_attribute *attr,
const char *buf,
size_t count)
{
ssize_t ret;
if (count < 1 || count > 2)
return -EINVAL;
switch (buf[0]) {
case '0':
ret = ibm_rtl_write(0);
break;
case '1':
ret = ibm_rtl_write(1);
break;
default:
ret = -EINVAL;
}
if (ret >= 0)
ret = count;
return ret;
}
static void __exit ibm_rtl_exit(void)
{
if (rtl_table) {
RTL_DEBUG("cleaning up");
/* do not leave the machine in SMI-free mode */
ibm_rtl_write(0);
/* unmap, unlink and remove all traces */
rtl_teardown_sysfs();
iounmap(ebda_map);
rtl_port_unmap(rtl_cmd_addr);
}
}
static void __exit ibm_rtl_exit(void)
{
if (rtl_table) {
RTL_DEBUG("cleaning up");
ibm_rtl_write(0);
rtl_teardown_sysfs();
iounmap(ebda_map);
rtl_port_unmap(rtl_cmd_addr);
}
}
