From: Sudeep Holla <sudeep.holla@arm.com>
To: Daniel Thompson <daniel.thompson@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Rob Herring <robh+dt@kernel.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
Liviu Dudau <liviu.dudau@arm.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, patches@linaro.org
Subject: Re: [PATCH v2] arm64: dts: foundation-v8: Enable PSCI mode
Date: Tue, 3 Oct 2017 15:09:35 +0100 [thread overview]
Message-ID: <521d6f60-ee90-bc96-97a7-1da33170a9c4@arm.com> (raw)
In-Reply-To: <8c4a4114-b7f7-301e-20b8-960e6234b661@linaro.org>
On 03/10/17 10:12, Daniel Thompson wrote:
> On 02/10/17 18:26, Sudeep Holla wrote:
>> Sorry for late response, I thought I had sent this mail out long back
>> but was sitting in my draft :(
>
> No worries. I've been at Linaro connect this last week anyway.
>
>
>> On 20/09/17 12:17, Daniel Thompson wrote:
>>> On 20/09/17 10:42, Sudeep Holla wrote:
>>>>
>>>>
>>>> On 19/09/17 19:32, Daniel Thompson wrote:
>>>>> Currently if the Foundation model is running ARM Trusted Firmware then
>>>>> the kernel, which is configured to use spin tables, cannot start
>>>>> secondary
>>>>> processors or "power off" the simulation.
>>>>>
>>>>> After adding a couple of labels to the include file and splitting out
>>>>> the
>>>>> spin-table configuration into a header, we add a couple of new headers
>>>>> together with two new DTs (GICv2+PSCI and GICv3+PSCI).
>>>>>
>>>>> The new GICv3+PSCI DT has been boot tested, the remaining three
>>>>> (two of
>>>>> which existed prior to this patch) have been "tested" by
>>>>> decompiling the
>>>>> blobs and comparing them against a reference.
>>>>>
>>>>
>>>> How different are these from the ones hosted in [1] ?
>>>
>>> They look like they were either independently written or diverged a long
>>> time ago. The existing kernel DTs describe hardware absent from the ARM
>>> TF ones and vice versa.
>>>
>>
>> OK.
>>
>>> With specific reference to PSCI it looks like my patches could perhaps
>>> be improved by adding idle-state support.
>>
>> Yes I know.
>
> You want a v3 with it added?
>
No, that's fine. I have pushed this already [1] with Mark's ack for now.
We can add it later after some testing, not urgent.
--
Regards,
Sudeep
[1] https://git.kernel.org/sudeep.holla/linux/h/for-next/juno
prev parent reply other threads:[~2017-10-03 14:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-18 15:38 [PATCH] arm64: dts: foundation-v8: Enable PSCI mode Daniel Thompson
2017-09-18 16:12 ` Mark Rutland
2017-09-19 15:59 ` Daniel Thompson
2017-09-19 16:20 ` Mark Rutland
2017-09-19 18:32 ` [PATCH v2] " Daniel Thompson
2017-09-20 9:42 ` Sudeep Holla
2017-09-20 11:17 ` Daniel Thompson
2017-10-02 17:26 ` Sudeep Holla
2017-10-03 9:12 ` Daniel Thompson
2017-10-03 10:15 ` Ard Biesheuvel
2017-10-03 14:09 ` Sudeep Holla [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=521d6f60-ee90-bc96-97a7-1da33170a9c4@arm.com \
--to=sudeep.holla@arm.com \
--cc=catalin.marinas@arm.com \
--cc=daniel.thompson@linaro.org \
--cc=devicetree@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=liviu.dudau@arm.com \
--cc=lorenzo.pieralisi@arm.com \
--cc=mark.rutland@arm.com \
--cc=patches@linaro.org \
--cc=robh+dt@kernel.org \
--cc=will.deacon@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox