[PATCH 1/3] gpio: Add simple poweroff-gpio driver

Anton Vorontsov anton.vorontsov at linaro.org
Mon Nov 12 12:12:58 EST 2012


On Mon, Nov 12, 2012 at 02:00:31AM +0100, Linus Walleij wrote:
> On Sun, Nov 11, 2012 at 5:21 PM, Andrew Lunn <andrew at lunn.ch> wrote:
> 
> > From: Jamie Lentin <jm at lentin.co.uk>
> >
> > Given appropriate devicetree bindings, this driver registers a
> > pm_power_off function to set a GPIO line high/low to power down
> > your board.
> >
> > Signed-off-by: Jamie Lentin <jm at lentin.co.uk>
> > Signed-off-by: Andrew Lunn <andrew at lunn.ch>
> 
> So this is just a GPIO client like any such thing right?
> 
> I mean this thing has nothing more to do with the GPIO subsystem
> than say, drivers/input/keyboard/gpio_keys.c?
> 
> So from the GPIO subsystem point of view controlling power is
> an alien concept.
> 
> But I suspect Anton may be ready to welcome a driver like this
> under drivers/power/* which I think is where it belongs.

Yup. driver/power/reset/ seems appropriate.

Thanks,
Anton.


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