linux-kernel - Re: [PATCH 1/2] spi: rockchip: Convert to late and early system PM callbacks

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Message-ID: <20171013101719.bophbiz7qb5wi7n2@sirena.co.uk>
Date:   Fri, 13 Oct 2017 11:17:19 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Jeffy Chen <jeffy.chen@...k-chips.com>
Cc:     linux-kernel@...r.kernel.org, briannorris@...omium.org,
        dianders@...omium.org, Heiko Stuebner <heiko@...ech.de>,
        linux-spi@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] spi: rockchip: Convert to late and early system PM
 callbacks

On Fri, Oct 13, 2017 at 06:01:15PM +0800, Jeffy Chen wrote:
> Currently we are suspending the spi master in it's ->suspend callback,
> which is racy as some other drivers may still want to transmit messages
> on the bus(e.g. spi based pwm backlight).

I'm missing patch 2/2.

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