linux-kernel - Re: [PATCH 0/7] firmware: imx: scu-pd: misc update

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Date:   Wed, 19 Jul 2023 15:00:22 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, Frank.Li@....com, aisheng.dong@....com,
        marcel.ziswiler@...adex.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH 0/7] firmware: imx: scu-pd: misc update

+Ulf

On Fri, Jul 14, 2023 at 05:09:29PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> This patchset is to upstream NXP downstream scu-pd driver patches.
> patch 1,2 is to support more PDs
> patch 3 is to not power off console when no console suspend
> patch 4 is to suppress bind
> patch 5 is to make genpd align with HW state
> patch 6 is to support LP mode in runtime suspend, OFF mode in system suspend.
> patch 7 is to change init level to avoid uneccessary defer probe
> 
> Dong Aisheng (2):
>   firmware: imx: scu-pd: do not power off console if no_console_suspend
>   firmware: imx: scu-pd: change init level to subsys_initcall
> 
> Peng Fan (5):
>   firmware: imx: scu-pd: enlarge PD range
>   firmware: imx: scu-pd: add more PDs
>   firmware: imx: scu-pd: Suppress bind attrs
>   firmware: imx: scu-pd: initialize is_off according to HW state
>   firmware: imx: scu-pd: add multi states support
> 
>  drivers/firmware/imx/scu-pd.c | 193 ++++++++++++++++++++++++++++++++--
>  1 file changed, 182 insertions(+), 11 deletions(-)

We have genpd subsystem [1] coming.  Should we consider to move this
scu-pd driver there too?

Shawn

[1] https://lore.kernel.org/linux-arm-kernel/20230714092301.28690-1-ulf.hansson@linaro.org/T/