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Arm SCMI updates for v6.6

Browse source 
The main addition this time is the support for SCMI v3.2 perf level
 indexing mode. SCMI v3.2 adds support for hardware which works on
 performance indices, instead of levels. Certain platforms use indices
 to identify performance levels. Level Indexing Mode is used to describe
 such platform behavior. All commands which utilize performance level
 as a parameter need to specify the corresponding level index instead of
 the performance level when Level Indexing Mode is used.
 
 While at it, these changes also include hardening of all the internal
 accesses to the performance domain information.
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Merge tag 'scmi-updates-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers

Arm SCMI updates for v6.6

The main addition this time is the support for SCMI v3.2 perf level
indexing mode. SCMI v3.2 adds support for hardware which works on
performance indices, instead of levels. Certain platforms use indices
to identify performance levels. Level Indexing Mode is used to describe
such platform behavior. All commands which utilize performance level
as a parameter need to specify the corresponding level index instead of
the performance level when Level Indexing Mode is used.

While at it, these changes also include hardening of all the internal
accesses to the performance domain information.

* tag 'scmi-updates-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_scmi: Add v3.2 perf level indexing mode support
  firmware: arm_scmi: Harden perf domain info access

Link: https://lore.kernel.org/r/20230804123231.3258141-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2023-08-12 12:04:53 +02:00
commit 800b432012
1 changed files with 348 additions and 82 deletions
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