Commit d0c21947 authored by Helge Deller's avatar Helge Deller
Browse files

parisc/power: Add power soft-off when running on qemu 



Signed-off-by: default avatarHelge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
parent 01fef826

drivers/parisc/power.c

+15 −1
Original line number Diff line number Diff line
@@ -197,6 +197,14 @@ static struct notifier_block parisc_panic_block = { 
	.priority	= INT_MAX,

};



/* 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)

{
@@ -226,7 +234,13 @@ static int __init power_init(void) 
				soft_power_reg);

	}



	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);