Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
+/* qemu soft power-off function */
+static int qemu_power_off(struct sys_off_data *data)
+{
+ /* this turns the system off via SeaBIOS */
+ *(int *)data->cb_data = 0;
+ pdc_soft_power_button(1);
+ return NOTIFY_DONE;
+}
static int __init power_init(void)
{
static int __init power_init(void)
{
- power_task = kthread_run(kpowerswd, (void*)soft_power_reg, KTHREAD_NAME);
+ power_task = NULL;
+ if (running_on_qemu && soft_power_reg)
+ register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_DEFAULT,
+ qemu_power_off, (void *)soft_power_reg);
+ else
+ power_task = kthread_run(kpowerswd, (void*)soft_power_reg,
+ KTHREAD_NAME);
if (IS_ERR(power_task)) {
printk(KERN_ERR DRIVER_NAME ": thread creation failed. Driver not loaded.\n");
pdc_soft_power_button(0);
if (IS_ERR(power_task)) {
printk(KERN_ERR DRIVER_NAME ": thread creation failed. Driver not loaded.\n");
pdc_soft_power_button(0);