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b650a8806e
The documentation for the 8070 and 8072 SPCv chip explicitly states that a minimum of 500ms must elapse before issuing commands, otherwise the SPCv may not process them and the firmware may get into an unrecoverable state requiring a reboot. While the Linux guys will probably think this is 'racy', it is called out in the chip documentation and inserting this delay makes power management function properly. Signed-off-by: Benjamin Rood <brood@attotech.com> Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>