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

[Wolfram Sang <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>]

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Hi,

On Wed, Feb 29, 2012 at 06:39:21PM +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-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> Signed-off-by: Li Yang <leoli-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> ---
>  drivers/i2c/busses/i2c-mpc.c |   34 +++++++++++++++++++++++++++++++++-
>  1 files changed, 33 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
> index a8ebb84..f95a647 100644
> --- a/drivers/i2c/busses/i2c-mpc.c
> +++ b/drivers/i2c/busses/i2c-mpc.c
> @@ -1,7 +1,9 @@
>  /*
>   * (C) Copyright 2003-2004
>   * Humboldt Solutions Ltd, adrian-nKrwMtk+6WksDtB2XHyCLA@public.gmane.org
> -
> + *
> + * Copyright 2012 Freescale Semiconductor, Inc.
> + *

I'd think the change is too trivial to claim copyright on the file.

Thanks for the contribution,

   Wolfram

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

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