From: Juri Lelli <juri.lelli@arm.com>
To: Kevin Hilman <khilman@linaro.org>
Cc: "linux@arm.linux.org.uk" <linux@arm.linux.org.uk>,
Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Will Deacon <Will.Deacon@arm.com>,
Chao Xie <chao.xie@marvell.com>,
Stephen Warren <swarren@nvidia.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
"rob.herring@calxeda.com" <rob.herring@calxeda.com>,
Jonathan Austin <Jonathan.Austin@arm.com>,
Chao Xie Linux <xiechao.mail@gmail.com>,
Juri Lelli <juri.lelli@gmail.com>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] cpuidle/cpuidle-big_little: fix reading cpu id part number
Date: Fri, 15 Aug 2014 17:36:05 +0100 [thread overview]
Message-ID: <53EE36F5.7000801@arm.com> (raw)
In-Reply-To: <7hwqa9ww6n.fsf@paris.lan>
On 15/08/14 17:32, Kevin Hilman wrote:
> Juri Lelli <juri.lelli@arm.com> writes:
>
>> Commit af040ffc9ba1 ("ARM: make it easier to check the CPU part number
>> correctly") changed ARM_CPU_PART_X masks, and the way they are returned and
>> checked against. Usage of read_cpuid_part_number() is now deprecated, and
>> calling places updated accordingly. This actually broke cpuidle-big_little
>> initialization, as bl_idle_driver_init() performs a check using an hardcoded
>> mask on cpu_id.
>>
>> Create an interface to perform the check (that is now even easier to read).
>> Define also a proper mask (ARM_CPU_PART_MASK) that makes this kind of checks
>> cleaner and helps preventing bugs in the future. Update usage accordingly.
>
> [...]
>
> Tested-by: Kevin Hilman <khilman@linaro.org>
>
Great, thanks!
> FWIW, I can confirm that this patch is needed for cpuidle-big_little to
> work on the Exynos5800/Chromebook2.
>
Ok, the patch has been already sent to Russell's patch system.
Best,
- Juri
> Kevin
>
WARNING: multiple messages have this Message-ID (diff)
From: juri.lelli@arm.com (Juri Lelli)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] cpuidle/cpuidle-big_little: fix reading cpu id part number
Date: Fri, 15 Aug 2014 17:36:05 +0100 [thread overview]
Message-ID: <53EE36F5.7000801@arm.com> (raw)
In-Reply-To: <7hwqa9ww6n.fsf@paris.lan>
On 15/08/14 17:32, Kevin Hilman wrote:
> Juri Lelli <juri.lelli@arm.com> writes:
>
>> Commit af040ffc9ba1 ("ARM: make it easier to check the CPU part number
>> correctly") changed ARM_CPU_PART_X masks, and the way they are returned and
>> checked against. Usage of read_cpuid_part_number() is now deprecated, and
>> calling places updated accordingly. This actually broke cpuidle-big_little
>> initialization, as bl_idle_driver_init() performs a check using an hardcoded
>> mask on cpu_id.
>>
>> Create an interface to perform the check (that is now even easier to read).
>> Define also a proper mask (ARM_CPU_PART_MASK) that makes this kind of checks
>> cleaner and helps preventing bugs in the future. Update usage accordingly.
>
> [...]
>
> Tested-by: Kevin Hilman <khilman@linaro.org>
>
Great, thanks!
> FWIW, I can confirm that this patch is needed for cpuidle-big_little to
> work on the Exynos5800/Chromebook2.
>
Ok, the patch has been already sent to Russell's patch system.
Best,
- Juri
> Kevin
>
next prev parent reply other threads:[~2014-08-15 16:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-14 8:27 [PATCH v2] cpuidle/cpuidle-big_little: fix reading cpu id part number Juri Lelli
2014-08-14 8:27 ` Juri Lelli
2014-08-15 10:07 ` Lorenzo Pieralisi
2014-08-15 10:07 ` Lorenzo Pieralisi
2014-08-15 16:32 ` Kevin Hilman
2014-08-15 16:32 ` Kevin Hilman
2014-08-15 16:36 ` Juri Lelli [this message]
2014-08-15 16:36 ` Juri Lelli
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=53EE36F5.7000801@arm.com \
--to=juri.lelli@arm.com \
--cc=Jonathan.Austin@arm.com \
--cc=Lorenzo.Pieralisi@arm.com \
--cc=Will.Deacon@arm.com \
--cc=chao.xie@marvell.com \
--cc=daniel.lezcano@linaro.org \
--cc=juri.lelli@gmail.com \
--cc=khilman@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
--cc=rjw@rjwysocki.net \
--cc=rob.herring@calxeda.com \
--cc=sebastian.hesselbarth@gmail.com \
--cc=swarren@nvidia.com \
--cc=xiechao.mail@gmail.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.