Hello, all
This is the take 2 of AHCI suspend/resume patches.
This series of patches provide the support for AHCI suspend/resume.
The patch works very well on Napa SDV in our lab.
The patch is against libata-dev #upstream
[ef2824073fba9def3cf122e89cc485f66dd71f70].
Compared with last version, the changes are:
1 Use ata_wait_register() to replace the code of waiting register bit to
change
2 Replace mdelay(500) with at most waiting 1 second in ahci_start_fis_rx
()
3 Remove code for cold_presence_detection in ahci_port_spinup()
4 In ahci_port_standby(), refine the code and comments to make the logic
correct
5 Remove the field 'dev_map' of struct ahci_host_priv{} and move the
host interrupt enabling code into ahci_pci_device_resume()
Your comments and bug report are welcome.
Thanks,
Forrest
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