On 11/24/23 18:55, Greg Kroah-Hartman wrote:
5.4-stable review patch. If anyone has any objections, please let me know.
Please drop this patch from all stable kernels < 6.0.
It depends on code which was added in 5.19...
Thanks,
Helge
------------------
From: Helge Deller <deller@xxxxxx>
commit d0c219472980d15f5cbc5c8aec736848bda3f235 upstream.
Signed-off-by: Helge Deller <deller@xxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v6.0+
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/parisc/power.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
--- a/drivers/parisc/power.c
+++ b/drivers/parisc/power.c
@@ -192,6 +192,14 @@ static struct notifier_block parisc_pani
.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)
{
@@ -221,7 +229,13 @@ 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);
