Re: [PATCH V4] i2c: Add generic I2C multiplexer using pinctrl API

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

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On Fri, May 18, 2012 at 09:29:34AM -0600, Stephen Warren wrote:
> From: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> 
> This is useful for SoCs whose I2C module's signals can be routed to
> different sets of pins at run-time, using the pinctrl API.
> 
>                                  +-----+  +-----+
>                                  | dev |  | dev |
>     +------------------------+   +-----+  +-----+
>     | SoC                    |      |        |
>     |                   /----|------+--------+
>     |   +---+   +------+     | child bus A, on first set of pins
>     |   |I2C|---|Pinmux|     |
>     |   +---+   +------+     | child bus B, on second set of pins
>     |                   \----|------+--------+--------+
>     |                        |      |        |        |
>     +------------------------+  +-----+  +-----+  +-----+
>                                 | dev |  | dev |  | dev |
>                                 +-----+  +-----+  +-----+
> 
> Signed-off-by: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> Acked-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> Acked-by: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
> ---
> Wolfram, when you apply this for 3.6, could you please put just this
> patch into a stable topic branch - that way, I can merge this into a
> Tegra branch too so that I can use the new driver in 3.6.

Thanks, looks good to me. I think I'll wait for rc1 and try to convince
Linus to apply the new driver rule, so we can have it in 3.5 already.

Regards,

  Wolfram

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

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