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Commit d24a0c70 authored by Jeremy Linton's avatar Jeremy Linton Committed by Will Deacon
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arm_pmu: acpi: spe: Add initial MADT/SPE probing



ACPI 6.3 adds additional fields to the MADT GICC
structure to describe SPE PPI's. We pick these out
of the cached reference to the madt_gicc structure
similarly to the core PMU code. We then create a platform
device referring to the IRQ and let the user/module loader
decide whether to load the SPE driver.

Tested-by: default avatarHanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: default avatarSudeep Holla <sudeep.holla@arm.com>
Reviewed-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: default avatarJeremy Linton <jeremy.linton@arm.com>
Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 56855a99
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