linux-kernel - Re: [PATCH v3 2/2] spi: rockchip: Disable Runtime PM when chip select is asserted

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Message-ID: <20170628184228.qdj7oslnljv6e2iy@sirena.org.uk>
Date:   Wed, 28 Jun 2017 19:42:28 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Jeffy Chen <jeffy.chen@...k-chips.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Brian Norris <briannorris@...omium.org>,
        Heiko Stübner <heiko@...ech.de>,
        linux-spi <linux-spi@...r.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 2/2] spi: rockchip: Disable Runtime PM when chip
 select is asserted

On Tue, Jun 27, 2017 at 10:30:10PM -0700, Doug Anderson wrote:
> Jeffy,
> 
> On Tue, Jun 27, 2017 at 9:38 PM, Jeffy Chen <jeffy.chen@...k-chips.com> wrote:
> > The rockchip spi would stop driving pins when runtime suspended, which
> > might break slave's xfer(for example cros_ec).

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