Re: [patch/rfc 2.6.25-git] gpio: sysfs interface

[David Brownell]

On Tuesday 29 April 2008, Ben Nizette wrote:
> I guess one last option (which is made hard by chip label non-uniqueness
> but I'll throw out anyway) would be
> 
> /sys/class/gpio
>         /chipa
>                 /gpio-n
>                         /value
>                         /direction
>                 /control
>         /chipb
>                 :
>                 :
> 

Or maybe:

  /sys/class/gpio
	/gpiochip-X			<-- range X..(X+ngpio)
		/device			<-- symlink, if it's known
		/ngpio
		/label
		/start			<-- maybe; start == X

with the gpio-N links probably going where you showed.  That'd be
best in terms of Purity Of Essence.

- Dave

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