Re: [PATCH V4 2/3] Revert "ACPI,PCI,IRQ: remove SCI penalize function"

Sinan Kaya
2016-10-21T16:13:16Z

On 10/21/2016 7:45 AM, Bjorn Helgaas wrote:
> [1] http://marc.info/?l=linux-acpi&m=145580159209240&w=2)
>
>> > Acked-by: Bjorn Helgaas <bhelgaas@google.com>
> Wait a minute, I still have a question here: what about other ACPI
> arches (ia64, arm64)? Don't they need to call acpi_penalize_sci_irq()
> somewhere?
>

ACPI ARM64 architecture implements reduced ACPI profile which doesn't
have GED object. Instead, ARM64 architecture uses onchip peripherals
for similar functionality. If there is a need to signal interrupts,
this is done by ACPI Notify in ASL or if absolutely needed using
ACPI Generic Event Device (GED).

--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.