Messages in this thread | | | Date | Fri, 14 Oct 2022 11:59:38 +0100 | From | Sudeep Holla <> | Subject | Re: [PATCH v2] ACPI: ARM Performance Monitoring Unit Table (APMT) initial support |
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Hi Besar,
On Wed, Sep 28, 2022 at 07:28:34PM -0500, Besar Wicaksono wrote: > ARM Performance Monitoring Unit Table describes the properties of PMU > support in ARM-based system. The APMT table contains a list of nodes, > each represents a PMU in the system that conforms to ARM CoreSight PMU > architecture. The properties of each node include information required > to access the PMU (e.g. MMIO base address, interrupt number) and also > identification. For more detailed information, please refer to the > specification below: > * APMT: https://developer.arm.com/documentation/den0117/latest > * ARM Coresight PMU: > https://developer.arm.com/documentation/ihi0091/latest > > The initial support adds the detection of APMT table and generic > infrastructure to create platform devices for ARM CoreSight PMUs. > Similar to IORT the root pointer of APMT is preserved during runtime > and each PMU platform device is given a pointer to the corresponding > APMT node. >
This looks good to me know.
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Hi Lorenzo,
Not sure if there are any other arm specific ACPI changes in the queue for v6.2. Can you please add this too ?
-- Regards, Sudeep
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