Hi Sudeep, On 7/26/2023 8:03 AM, Sudeep Holla wrote: > On Wed, Jul 26, 2023 at 04:33:26PM +0200, Rafael J. Wysocki wrote: >> On Tue, Jul 25, 2023 at 10:18 PM Steve Clevenger OS >> <scclevenger@xxxxxxxxxxxxxxxxxxxxxx> wrote: >>> >>> >>> Hi Rafael, Len, >>> >>> On 7/24/2023 9:25 AM, Suzuki K Poulose wrote: >>>> Hi Rafael/Len >>>> >>>> On 19/07/2023 11:11, Suzuki K Poulose wrote: >>>>> Rafael, Len >>>>> >>>>> Ping (packets 6, lost 100%). >>>>> >>>>> >>>>> On 10/07/2023 17:40, Suzuki K Poulose wrote: >>>>>> Rafael, Len >>>>>> >>>>>> On 10/07/2023 07:25, Anshuman Khandual wrote: >>>>>>> From: Suzuki K Poulose <suzuki.poulose@xxxxxxx> >>>>>>> >>>>>>> Drop ETM4X ACPI ID from the AMBA ACPI device list, and instead just >>>>>>> move it >>>>>>> inside the new ACPI devices list detected and used via platform driver. >>>>>>> >>>>>>> Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx> >>>>>>> Cc: Len Brown <lenb@xxxxxxxxxx> >>>>>>> Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> >>>>>>> Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx> >>>>>>> Cc: Mike Leach <mike.leach@xxxxxxxxxx> >>>>>>> Cc: Leo Yan <leo.yan@xxxxxxxxxx> >>>>>>> Cc: Sudeep Holla <sudeep.holla@xxxxxxx> >>>>>>> Cc: Lorenzo Pieralisi <lpieralisi@xxxxxxxxxx> >>>>>>> Cc: linux-acpi@xxxxxxxxxxxxxxx >>>>>>> Cc: coresight@xxxxxxxxxxxxxxxx >>>>>>> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx >>>>>>> Cc: linux-kernel@xxxxxxxxxxxxxxx >>>>>>> Reviewed-by: Sudeep Holla <sudeep.holla@xxxxxxx> (for ACPI specific >>>>>>> changes) >>>>>>> Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx> >>>>>>> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> >>>>>> >>>>>> We would like to queue this via coresight tree. The acpi_amba bits have >>>>>> been reviewed by Sudeep. Please could you give us an Ack, if you are >>>>>> happy with the proposal ? >>>>>> >>>> >>>> Please could one of you respond to this patch ? We are blocked on your >>>> Ack for queuing this. There are machines out there, which rely on this >>>> patch to use Arm self-hosted tracing based on CoreSight. >>>> >>>> Kind regards >>>> Suzuki >>> >>> Ampere Computing AmpereOne machines rely on this patch series to enable >>> System Register Access to the ETMv4. Ampere removed the ETM MMIO >>> descriptions from our CoreSight ACPI to use this. >>> >>> Suzuki's e-mail requests for review/Ack of this patch thread date back >>> to May 30. >> >> I've just talked to Suzuki about this: >> >> https://lore.kernel.org/linux-acpi/20230726140515.368981-1-suzuki.poulose@xxxxxxx >> >> This patch has received a Reviewed-by from Sudeep which for all >> purposes should be sufficient for any ARM-related ACPI material that >> doesn't affect any other architectures. An ACK from me (or Len for >> that matter) would not make any real difference from the technical >> perspective. >> >> I would appreciate assigning an official ARM maintainer to acpi_amba.c >> so as to avoid such unnecessary delays in the future. > > Ah I just crossed and replied on other thread. I will soon send an update > to add this file under Arm ACPI for the maintenance. > Thank you. Steve C.