Allow the ACPI battery device to be resumed and suspended asynchronously. This only means that the driver's suspend and resume callbacks may be executed in parallel with the callbacks of devices that don't directly depend on the battery device (i.e. that are not its parent or children). Index: linux-2.6/drivers/acpi/battery.c =================================================================== --- linux-2.6.orig/drivers/acpi/battery.c +++ linux-2.6/drivers/acpi/battery.c @@ -837,6 +837,7 @@ static int acpi_battery_add(struct acpi_ printk(KERN_INFO PREFIX "%s Slot [%s] (battery %s)\n", ACPI_BATTERY_DEVICE_NAME, acpi_device_bid(device), device->status.battery_present ? "present" : "absent"); + device_enable_async_suspend(&device->dev, true); } else { #ifdef CONFIG_ACPI_PROCFS_POWER acpi_battery_remove_fs(device); _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm