linux-kernel - Re: [PATCH] firmware: imx: scu-pd: ignore power domain not owned

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Message-ID: <20200913014634.GF25109@dragon>
Date:   Sun, 13 Sep 2020 09:46:35 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     peng.fan@....com
Cc:     s.hauer@...gutronix.de, festevam@...il.com, abel.vesa@....com,
        kernel@...gutronix.de, linux-imx@....com, Anson.Huang@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        aisheng.dong@....com
Subject: Re: [PATCH] firmware: imx: scu-pd: ignore power domain not owned

On Tue, Sep 08, 2020 at 06:07:01PM +0800, peng.fan@....com wrote:
> From: Peng Fan <peng.fan@....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@....com>
> Reviewed-by: Leonard Crestez <leonard.crestez@....com>

Applied, thanks.