arm_pmu: acpi: Add a representative platform device for TRBE

maillist inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8BOB3
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1aa3d0274a4aac338ee45a3dfc3b17c944bcc2bc



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ACPI TRBE does not have a HID for identification which could create and add
a platform device into the platform bus. Also without a platform device, it
cannot be probed and bound to a platform driver.

This creates a dummy platform device for TRBE after ascertaining that ACPI
provides required interrupts uniformly across all cpus on the system. This
device gets created inside drivers/perf/arm_pmu_acpi.c to accommodate TRBE
being built as a module.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20230817055405.249630-3-anshuman.khandual@arm.com


Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Junhao He <hejunhao3@huawei.com>