We do this for FDT systems but not for ACPI ones.
Check the presence of the _CCA attribute.
Sponsored by: Ampere Computing, LLC
Differential D20144
ahci: Check if bus is cache-coherent manu on May 2 2019, 4:29 PM. Authored by Tags None Referenced Files
Subscribers
Details
We do this for FDT systems but not for ACPI ones. Sponsored by: Ampere Computing, LLC Tested on Ampere eMAG, ~x2 for read speed ~x1.7 for writes.
Diff Detail
|