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由 Rafael J. Wysocki 提交于
During power transitions into D3cold from any shallower power states we are supposed to transition the device into D3hot and remove power from it afterward, but the current code in acpi_device_set_power() doesn't work this way. At the same time, though, we need to be careful enough to preserve backwards compatibility for systems that don't distinguish between D3hot and D3cold (e.g. designed before ACPI 4). Modify acpi_device_set_power() so that it works in accordance with the expectations in both cases. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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