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From:   Daniel Baluta <daniel.baluta@gmail.com>
Date:   Mon, 30 Mar 2020 11:38:13 +0300
Message-ID: <CAEnQRZDsfSohbkbLd73AjN=2C3C6MTBdKqt84DHXkscjpq9rKQ@mail.gmail.com>
Subject: Re: [RFC PATCH v2 0/2] Introduce multi PM domains helpers
To:     Daniel Baluta <daniel.baluta@oss.nxp.com>,
        Aisheng Dong <aisheng.dong@nxp.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        rafael.j.wysocki@intel.com
Cc:     rjw@rjwysocki.net, "Brown, Len" <len.brown@intel.com>,
        Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
        Fabio Estevam <festevam@gmail.com>,
        Linux-ALSA <alsa-devel@alsa-project.org>,
        linux-pm@vger.kernel.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Sascha Hauer <s.hauer@pengutronix.de>, khilman@kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Daniel Baluta <daniel.baluta@nxp.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
        Paul Olaru <paul.olaru@nxp.com>,
        dl-linux-imx <linux-imx@nxp.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Shawn Guo <shawnguo@kernel.org>,
        "S.j. Wang" <shengjiu.wang@nxp.com>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
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Rafael / Ulf / Aisheng,

Any comments?

On Wed, Mar 4, 2020 at 2:20 PM Daniel Baluta <daniel.baluta@oss.nxp.com> wrote:
>
> From: Daniel Baluta <daniel.baluta@nxp.com>
>
> i.MX8QXP/i.MX8QM has IPs that need multiple power domains to be up
> in order to work. In order to help drivers, we introduce multi PM
> domains helpers that are able to activate/deactivate multi PM domains.
>
> First patch introduces the helpers and second patch demonstrates how
> a driver can use them instead of hardcoding the PM domains handling.
>
> Changes since v1: (addressed Ranjani's comments)
>         - enhanced description for dev_multi_pm_attach return value
>         - renamed exit_unroll_pm label to exit_detach_pm
>
> Daniel Baluta (2):
>   PM / domains: Introduce multi PM domains helpers
>   ASoC: SOF: Use multi PM domains helpers
>
>  drivers/base/power/common.c | 93 +++++++++++++++++++++++++++++++++++++
>  include/linux/pm_domain.h   | 19 ++++++++
>  sound/soc/sof/imx/imx8.c    | 60 ++++--------------------
>  3 files changed, 121 insertions(+), 51 deletions(-)
>
> --
> 2.17.1
>