From: Sudeep Holla <sudeep.holla@arm.com>
To: John Garry <john.garry@huawei.com>
Cc: rjw@rjwysocki.net, lenb@kernel.org, jeremy.linton@arm.com,
arnd@arndb.de, olof@lixom.net, linux-kernel@vger.kernel.org,
linux-acpi@vger.kernel.org, guohanjun@huawei.com,
gregkh@linuxfoundation.org, Sudeep Holla <sudeep.holla@arm.com>
Subject: Re: [PATCH RFC 1/2] ACPI/PPTT: Add acpi_pptt_get_package_info() API
Date: Thu, 30 Jan 2020 11:23:38 +0000 [thread overview]
Message-ID: <20200130112338.GA54532@bogus> (raw)
In-Reply-To: <20200128123415.GB36168@bogus>
On Tue, Jan 28, 2020 at 12:34:15PM +0000, Sudeep Holla wrote:
> On Tue, Jan 28, 2020 at 07:14:18PM +0800, John Garry wrote:
> > The ACPI PPTT ID structure (see 6.2 spec, section 5.2.29.3) allows the
> > vendor to provide an identifier (or vendor specific part number) for a
> > particular processor hierarchy node structure. That may be a processor
> > identifier for a processor node, or some chip identifier for a processor
> > package node.
> >
>
> Unfortunately, there were plans to deprecate this in favour of the new
> SOC_ID SMCCC API[1]. I am not sure if you or anyone in your company have
> access to UEFI ASWG mantis where you can look for the ECR for the PPTT
> Type 2 deprecation. I understand it's not ideal, but we need to converge,
> please take a look at both before further discussion.
>
> I personally would not prefer to add the support when I know it is getting
> deprecated. I am not sure on kernel community policy on the same.
>
OK, the details on the proposal to deprecate can be now found in UEFI
bugzilla [1]
--
Regards,
Sudeep
[1] https://bugzilla.tianocore.org/show_bug.cgi?id=2492
next prev parent reply other threads:[~2020-01-30 11:23 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-28 11:14 [PATCH RFC 0/2] Add basic generic ACPI soc driver John Garry
2020-01-28 11:14 ` [PATCH RFC 1/2] ACPI/PPTT: Add acpi_pptt_get_package_info() API John Garry
2020-01-28 12:34 ` Sudeep Holla
2020-01-28 14:04 ` John Garry
2020-01-28 14:54 ` Sudeep Holla
2020-01-29 11:03 ` John Garry
2020-01-30 11:23 ` Sudeep Holla [this message]
2020-01-30 16:12 ` John Garry
2020-01-30 17:41 ` Sudeep Holla
2020-01-31 10:58 ` John Garry
2020-01-28 11:14 ` [PATCH RFC 2/2] soc: Add a basic ACPI generic driver John Garry
2020-01-28 11:56 ` Greg KH
2020-01-28 13:33 ` John Garry
2020-01-28 12:50 ` Arnd Bergmann
2020-01-28 14:46 ` John Garry
2020-01-28 15:20 ` Sudeep Holla
2020-01-28 15:59 ` John Garry
2020-01-28 16:17 ` Sudeep Holla
2020-01-28 17:51 ` Olof Johansson
2020-01-28 18:22 ` John Garry
2020-01-28 19:11 ` Rafael J. Wysocki
2020-01-28 19:28 ` John Garry
2020-01-28 22:30 ` Rafael J. Wysocki
2020-01-29 10:27 ` John Garry
2020-01-28 20:06 ` Olof Johansson
2020-01-29 9:58 ` John Garry
2020-01-28 16:56 ` [PATCH RFC 0/2] Add basic generic ACPI soc driver Jeremy Linton
2020-01-28 17:28 ` John Garry
2020-01-28 19:04 ` Jeremy Linton
2020-01-28 20:07 ` John Garry
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