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2d0d3a1004
Couple of main additions :-
1. Support for multiple SMC/HVC transports for SCMI:
Some platforms need to support multiple SCMI instances within
a platform(more commonly in a VM). The same SMC/HVC FID is used with
all the instances. The platform or the hypervisor needs a way to
distinguish among SMC/HVC calls made from different instances.
This change adds support for passing shmem channel address as the
parameters in the SMC/HVC call. The address is split into 4KB-page
and offset for simiplicity.
2. Addition od SCMI v3.2 explicit powercap enable/disable support:
SCMI v3.2 specification introduces support to disable powercapping
as a whole on the desired zones.
This change adds the needed support to the core SCMI powercap protocol,
exposing enable/disable protocol operations and then wiring up the new
operartions in the related powercap framework helpers.
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Merge tag 'scmi-updates-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers
Arm SCMI updates for v6.5
Couple of main additions :-
1. Support for multiple SMC/HVC transports for SCMI:
Some platforms need to support multiple SCMI instances within
a platform(more commonly in a VM). The same SMC/HVC FID is used with
all the instances. The platform or the hypervisor needs a way to
distinguish among SMC/HVC calls made from different instances.
This change adds support for passing shmem channel address as the
parameters in the SMC/HVC call. The address is split into 4KB-page
and offset for simiplicity.
2. Addition od SCMI v3.2 explicit powercap enable/disable support:
SCMI v3.2 specification introduces support to disable powercapping
as a whole on the desired zones.
This change adds the needed support to the core SCMI powercap protocol,
exposing enable/disable protocol operations and then wiring up the new
operartions in the related powercap framework helpers.
* tag 'scmi-updates-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
powercap: arm_scmi: Add support for disabling powercaps on a zone
firmware: arm_scmi: Add Powercap protocol enable support
firmware: arm_scmi: Refactor the internal powercap get/set helpers
firmware: arm_scmi: Augment SMC/HVC to allow optional parameters
dt-bindings: firmware: arm,scmi: support for parameter in smc/hvc call
Link: https://lore.kernel.org/r/20230612121017.4108104-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.