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pci1xxxx's quad-uart function has the capability to wake up UART from suspend state. Enable wakeup before entering into suspend and disable wakeup on resume. Co-developed-by: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com> Signed-off-by: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com> Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com> Link: https://lore.kernel.org/r/20230207164814.3104605-5-kumaravel.thiagarajan@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>