From: abrestic@chromium.org (Andrew Bresticker)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 5/5] arm: exynos: Add MCPM call-back functions
Date: Fri, 2 May 2014 11:23:51 -0700 [thread overview]
Message-ID: <CAL1qeaHrP+i4EhOQKkSX7xFNyiyBiBfpsV3B0EHCFcrNzc6KLQ@mail.gmail.com> (raw)
In-Reply-To: <alpine.LFD.2.11.1405021347500.980@knanqh.ubzr>
>> + /*
>> + * TODO: Turn off the clusters when all cores in the cluster
>> + * are down to achieve significant power savings.
>> + */
>
> This comment should actually be located right after the
> "if (exynos_cluster_unused(cluster))" above. That is where the cluster
> control should be applied, assuming it'll be effective only when WFI is
> executed.
Correct me if I'm wrong Samsung folks, but I thought it was not
possible to apply cluster power control from a CPU within the cluster
being powered down, i.e. a CPU in the other cluster must be the one to
apply the cluster power control to power down the outbound cluster.
-Andrew
next prev parent reply other threads:[~2014-05-02 18:23 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-26 16:05 [PATCH v3 0/6] MCPM backend for Exynos5420 Abhilash Kesavan
2014-04-26 16:05 ` [PATCH v3 1/6] ARM: EXYNOS: Add generic cpu power control functions for all exynos based SoCs Abhilash Kesavan
2014-04-26 16:05 ` [PATCH v3 2/6] ARM: EXYNOS: use generic exynos cpu power control functions Abhilash Kesavan
2014-05-02 15:25 ` [PATCH v4 2/5] " Abhilash Kesavan
2014-04-26 16:05 ` [PATCH v3 3/6] arm: exynos: Add generic cluster " Abhilash Kesavan
2014-05-02 15:25 ` [PATCH v4 3/5] " Abhilash Kesavan
2014-04-26 16:05 ` [PATCH v3 4/6] ARM: dts: exynos5420: add CCI node Abhilash Kesavan
2014-05-02 15:25 ` [PATCH v4 4/5] " Abhilash Kesavan
2014-04-26 16:05 ` [PATCH v3 5/6] arm: exynos: Add MCPM call-back functions Abhilash Kesavan
2014-04-28 17:44 ` Lorenzo Pieralisi
2014-04-29 3:32 ` Abhilash Kesavan
2014-04-29 18:49 ` Nicolas Pitre
2014-04-30 3:01 ` Abhilash Kesavan
2014-04-30 10:24 ` Dave Martin
2014-04-30 14:43 ` Nicolas Pitre
2014-05-01 9:39 ` Abhilash Kesavan
2014-04-30 14:59 ` Lorenzo Pieralisi
2014-05-01 9:39 ` Abhilash Kesavan
2014-05-02 15:25 ` [PATCH v4 5/5] " Abhilash Kesavan
2014-05-02 18:16 ` Nicolas Pitre
2014-05-02 18:23 ` Andrew Bresticker [this message]
2014-05-02 18:37 ` Nicolas Pitre
2014-05-05 16:26 ` Abhilash Kesavan
2014-05-05 16:25 ` Abhilash Kesavan
2014-04-26 16:05 ` [PATCH v3 6/6] arm: exynos: Add /dev/bL_status user interface on Exynos5420 Abhilash Kesavan
2014-04-28 11:25 ` Daniel Lezcano
2014-04-28 12:49 ` Abhilash Kesavan
2014-04-30 14:49 ` Nicolas Pitre
2014-05-01 9:39 ` Abhilash Kesavan
2014-05-02 15:24 ` [PATCH v4 0/5] MCPM backend for Exynos5420 Abhilash Kesavan
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