linux-kernel - Re: [PATCH v1 4/6] mfd: max77620: Use power off call chain API

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Date:   Tue, 19 Oct 2021 23:51:56 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Russell King <linux@...linux.org.uk>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Ulf Hansson <ulf.hansson@...aro.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH v1 4/6] mfd: max77620: Use power off call chain API

19.10.2021 18:31, Lee Jones пишет:
> On Thu, 07 Oct 2021, Dmitry Osipenko wrote:
> 
>> Use new power off call chain API which allows multiple power off handlers
>> to coexist. Nexus 7 Android tablet can be powered off using MAX77663 PMIC
>> and using a special bootloader command. At first the bootloader option
>> should be tried, it will have a higher priority than the PMIC.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
>> ---
>>  drivers/mfd/max77620.c       | 22 +++++++++++++++-------
>>  include/linux/mfd/max77620.h |  2 ++
>>  2 files changed, 17 insertions(+), 7 deletions(-)
> I don't have a problem with the approach in general.
> 
> I guess it's up to the relevant maintainers to decide.
> 

Thank you for taking a look at this. Guenter Roeck gave me advice based
on his previous experience of working on this topic and I'm now in a
process of finalizing v2 that will be a more comprehensive and nicer
solution. So you will need to take another look soon, thanks.