On 1/24/20 8:37 PM, Prabhakar Kushwaha wrote: > device_shutdown() called from reboot or power_shutdown expect > all devices to be shutdown. Same is true for even ahci pci driver. > As no ahci shutdown function is implemented, the ata subsystem > always remains alive with DMA & interrupt support. File system > related calls should not be honored after device_shutdown(). > > So defining ahci pci driver shutdown to freeze hardware (mask > interrupt, stop DMA engine and free DMA resources). Applied, thanks. -- Jens Axboe
