e100: use generic power management
With legacy PM hooks, it was the responsibility of a driver to manage PCI states and also the device's power state. The generic approach is to let PCI core handle the work. e100_suspend() calls __e100_shutdown() to perform intermediate tasks. __e100_shutdown() calls pci_save_state() which is not recommended. e100_suspend() also calls __e100_power_off() which is calling PCI helper functions, pci_prepare_to_sleep(), pci_set_power_state(), along with pci_wake_from_d3(...,false). Hence, the functin call is removed and wol is disabled as earlier using device_wakeup_disable(). Compile-tested only. Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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