From: "Fu, Zhonghui" <zhonghui.fu@linux.intel.com>
To: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-i2c@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] i2c: enable i2c device to suspend/resume asynchronously
Date: Mon, 23 Nov 2015 14:25:02 +0800 [thread overview]
Message-ID: <5652B13E.6010706@linux.intel.com> (raw)
In-Reply-To: <20151020150200.GE5379@katana>
On 10/20/2015 11:02 PM, Wolfram Sang wrote:
> 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@linux.intel.com>
> Does it always work when say a PMIC or clock controller is connected to
> the I2C bus?
Sorry for missing this mail.
Yes, it does not care about what device. The sole difference of asynchronous suspend/resume mode is that the suspend/resume operation of one device is carried out in a separate kernel thread, and PM core ensures all related dependency.
Thanks,
Zhonghui
>
next prev parent reply other threads:[~2015-11-23 6:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-24 6:26 [PATCH v2] i2c: enable i2c device to suspend/resume asynchronously Fu, Zhonghui
2015-10-20 15:02 ` Wolfram Sang
2015-11-23 6:25 ` Fu, Zhonghui [this message]
2015-11-16 15:26 ` Fu, Zhonghui
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