linux-kernel - Re: [PATCH v2] i2c-mpc: avoid I2C abnormal after resuming from deep sleep

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Message-ID: <20120419110710.GD2206@pengutronix.de>
Date:	Thu, 19 Apr 2012 13:07:10 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Zhao Chenhui <chenhui.zhao@...escale.com>
Cc:	linux-i2c@...r.kernel.org, leoli@...escale.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] i2c-mpc: avoid I2C abnormal after resuming from deep
 sleep

On Thu, Apr 19, 2012 at 05:51:34PM +0800, Zhao Chenhui wrote:

> When entering deep sleep, the value in the registers I2CFDR and
> I2CDFSRR are lost. This causes I2C access to fail after resuming.
> 
> Add suspend/resume routines to save/restore the registers
> I2CFDR and I2CDFSRR.
> 
> Signed-off-by: Zhao Chenhui <chenhui.zhao@...escale.com>
> Signed-off-by: Li Yang <leoli@...escale.com>

Applied to next. Thanks!

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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