From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Fu, Zhonghui" Subject: Re: [PATCH] i2c/designware: enable i2c controller to suspend/resume asynchronously Date: Mon, 24 Aug 2015 23:23:42 +0800 Message-ID: <55DB36FE.10204@linux.intel.com> References: <55D20D79.3090308@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <55D20D79.3090308-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org Cc: Mika Westerberg , christian.ruppert-Yycd8EPnGM5BDgjK7y7TUQ@public.gmane.org, atull-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org, jszhang-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org, raymond.tan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, Romain.Baeriswyl-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org, carlpeng008-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, david.e.box-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, Alexey.Brodkin-HKixBCOQz3hWk0Htik3J/w@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-i2c@vger.kernel.org Hi, Any comments are welcome. Thanks, Zhonghui On 2015/8/18 0:36, Fu, Zhonghui wrote: > Enable i2c controller to suspend/resume asynchronously. This can improve > system suspend/resume speed. > > Signed-off-by: Zhonghui Fu > --- > drivers/i2c/busses/i2c-designware-platdrv.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c > index 3dd2de3..fec0fce 100644 > --- a/drivers/i2c/busses/i2c-designware-platdrv.c > +++ b/drivers/i2c/busses/i2c-designware-platdrv.c > @@ -245,6 +245,7 @@ static int dw_i2c_probe(struct platform_device *pdev) > > adap = &dev->adapter; > i2c_set_adapdata(adap, dev); > + device_enable_async_suspend(&pdev->dev); > adap->owner = THIS_MODULE; > adap->class = I2C_CLASS_DEPRECATED; > strlcpy(adap->name, "Synopsys DesignWare I2C adapter", > -- 1.7.1 >