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From: Wolfram Sang <wsa@the-dreams.de>
To: "Éric Piel" <eric.piel@tremplin-utc.net>
Cc: James Maki <jamescmaki@revolayer.com>, linux-i2c@vger.kernel.org
Subject: Re: lis3lv02d i2c access on shutdown
Date: Sat, 4 Mar 2017 23:32:22 +0100	[thread overview]
Message-ID: <20170304223222.GA2386@katana> (raw)
In-Reply-To: <33dcfc02-67ef-ba6e-30a6-e2cd26aa9f71@tremplin-utc.net>

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> >issue with i2c since other drivers have the same design. What I don't
> >have is clear understanding of if/when/how i2c_transfer() can be called
> >post kernel_power_off().

Not sure if it is exactly the same issue, but last year we concluded
that we probably need an optional i2c_transfer_noirq callback in
i2c_adapter to talk to PMICs very late or very early. No work has been
done so far, though. I hope I will find time for it this year.


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  reply	other threads:[~2017-03-04 22:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <647cd755-3554-0719-6811-c64ffae0fc1e@revolayer.com>
2017-03-04 21:35 ` lis3lv02d i2c access on shutdown Éric Piel
2017-03-04 22:32   ` Wolfram Sang [this message]
2017-03-06 15:10     ` James Maki
2017-03-06 16:54       ` Wolfram Sang
2017-02-18 18:02 James Maki
2017-02-20 18:41 ` James Maki
  -- strict thread matches above, loose matches on Subject: below --
2017-02-18 17:43 James Maki

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