On Fri, Feb 08, 2019 at 06:47:17PM -0600, Jeremy Linton wrote: > 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. > > Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx> > --- > arch/arm64/include/asm/acpi.h | 3 ++ > drivers/perf/arm_pmu_acpi.c | 67 +++++++++++++++++++++++++++++++++++ > 2 files changed, 70 insertions(+) > > diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h > index 2def77ec14be..f9f9f2eb5d54 100644 > --- a/arch/arm64/include/asm/acpi.h > +++ b/arch/arm64/include/asm/acpi.h > @@ -40,6 +40,9 @@ > (!(entry) || (entry)->header.length < ACPI_MADT_GICC_MIN_LENGTH || \ > (unsigned long)(entry) + (entry)->header.length > (end)) > > +#define ACPI_MADT_GICC_SPE (ACPI_OFFSET(struct acpi_madt_generic_interrupt, \ > + spe_overflow_interrupt) + sizeof(u16)) > + [Nit] Does it make sense to add _OFFSET in the name ? Otherwise it may sound like the actual interrupt number than the offset. Other than that, this looks good to me: Reviewed-by: Sudeep Holla <sudeep.holla@xxxxxxx> Regards, Sudeep
