linux-kernel - Re: [PATCH v2] i2c: enable i2c device to suspend/resume asynchronously

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Message-ID: <20151020150200.GE5379@katana>
Date:	Tue, 20 Oct 2015 17:02:00 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	"Fu, Zhonghui" <zhonghui.fu@...ux.intel.com>
Cc:	linux-i2c@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] i2c: enable i2c device to suspend/resume
 asynchronously

On Thu, Sep 24, 2015 at 02:26:23PM +0800, Fu, Zhonghui wrote:
> Now, PM core supports asynchronous suspend/resume mode for devices
> during system suspend/resume, and the power state transition of one
> device may be completed in separate kernel thread. PM core ensures
> all power state transition timing dependency between devices. This
> patch enables i2c device to suspend/resume asynchronously. This will
> take advantage of multicore and improve system suspend/resume speed.
> 
> Signed-off-by: Zhonghui Fu <zhonghui.fu@...ux.intel.com>

Does it always work when say a PMIC or clock controller is connected to
the I2C bus?


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