[Patch v2 2/2] 5200/mpc: improve i2c bus error recovery

Grant Likely grant.likely at secretlab.ca
Thu Feb 18 07:10:46 EST 2010


On Wed, Feb 17, 2010 at 11:59 AM, Albrecht Dreß <albrecht.dress at arcor.de> wrote:
> Make the I2C adapter timeout configurable through a Device Tree property
> which gives the timeout in microseconds.
>
> Change vs. v.1: use "fsl,timeout" as property name (Thanks, Grant)
>
> Signed-off-by: Albrecht Dreß <albrecht.dress at arcor.de>

Acked-by: Grant Likely <grant.likely at secretlab.ca>

>
> ---
>
> --- linux-2.6.32-orig/Documentation/powerpc/dts-bindings/fsl/i2c.txt
>  2009-12-03 04:51:21.000000000 +0100
> +++ linux-2.6.32/Documentation/powerpc/dts-bindings/fsl/i2c.txt 2010-02-17
> 14:18:01.000000000 +0100
> @@ -21,6 +21,7 @@ Recommended properties :
>  - fsl,preserve-clocking : boolean; if defined, the clock settings
>    from the bootloader are preserved (not touched).
>  - clock-frequency : desired I2C bus clock frequency in Hz.
> + - fsl,timeout : I2C bus timeout in microseconds.
>
>  Examples :
>
> @@ -44,5 +45,6 @@ Examples :
>                interrupts = <43 2>;
>                interrupt-parent = <&mpic>;
>                clock-frequency = <400000>;
> +               fsl,timeout = <10000>;
>        };
>
>



-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.


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