Hello Suravee,
On 08/13/2015 08:45 PM, Suravee Suthikulpanit wrote:
On 8/13/15 04:51, Jeremy Linton wrote:
ACPI configurations can now mark devices as noncoherent,
support that choice.
This change was in my earlier revisions for the original patch series to
add ACPI CCA support. At the time, this was pushed back since we were
not sure whether this would be a useful case, and whether such hardware
exists.
Yes, I was made aware of that conversation during the review here.
Basically, the ARM Juno development platform has a mix of coherent and
noncoherent devices. The EHCI being one of the primary noncoherent
peripherals. Without which, the usefulness of the platform for
developing with an ACPI kernel is limited.
Thanks,
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