From: Shawn Guo <shawnguo@kernel.org>
To: peng.fan@nxp.com
Cc: aisheng.dong@nxp.com, abel.vesa@nxp.com, Anson.Huang@nxp.com,
s.hauer@pengutronix.de, linux-kernel@vger.kernel.org,
linux-imx@nxp.com, kernel@pengutronix.de, festevam@gmail.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] firmware: imx: scu-pd: ignore power domain not owned
Date: Sun, 13 Sep 2020 09:46:35 +0800 [thread overview]
Message-ID: <20200913014634.GF25109@dragon> (raw)
In-Reply-To: <1599559621-1397-1-git-send-email-peng.fan@nxp.com>
On Tue, Sep 08, 2020 at 06:07:01PM +0800, peng.fan@nxp.com wrote:
> From: Peng Fan <peng.fan@nxp.com>
>
> Should not register power domain that not owned by current
> partition.
>
> Alought power domains will not be registered when power on failure,
> we have to let CPU waste more cycles.
>
> Whether power on or owned check, both need communicate with SCU,
> but with owned check, we no need to run more code path to save CPU
> cycles.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Applied, thanks.
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WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: peng.fan@nxp.com
Cc: s.hauer@pengutronix.de, festevam@gmail.com, abel.vesa@nxp.com,
kernel@pengutronix.de, linux-imx@nxp.com, Anson.Huang@nxp.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, aisheng.dong@nxp.com
Subject: Re: [PATCH] firmware: imx: scu-pd: ignore power domain not owned
Date: Sun, 13 Sep 2020 09:46:35 +0800 [thread overview]
Message-ID: <20200913014634.GF25109@dragon> (raw)
In-Reply-To: <1599559621-1397-1-git-send-email-peng.fan@nxp.com>
On Tue, Sep 08, 2020 at 06:07:01PM +0800, peng.fan@nxp.com wrote:
> From: Peng Fan <peng.fan@nxp.com>
>
> Should not register power domain that not owned by current
> partition.
>
> Alought power domains will not be registered when power on failure,
> we have to let CPU waste more cycles.
>
> Whether power on or owned check, both need communicate with SCU,
> but with owned check, we no need to run more code path to save CPU
> cycles.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Applied, thanks.
next prev parent reply other threads:[~2020-09-13 1:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-08 10:07 [PATCH] firmware: imx: scu-pd: ignore power domain not owned peng.fan
2020-09-08 10:07 ` peng.fan
2020-09-13 1:46 ` Shawn Guo [this message]
2020-09-13 1:46 ` Shawn Guo
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