K 10
svn:author
V 4
manu
K 8
svn:date
V 27
2019-05-10T16:43:53.884436Z
K 7
svn:log
V 245
ahci: Check if bus is cache-coherent

We do this for FDT systems but not for ACPI ones.
Check the presence of the _CCA attribute.

Sponsored by: Ampere Computing, LLC
Reviewed by:	andrew
Differential Revision:	https://reviews.freebsd.org/D20144

END