[U-Boot] [PATCH 1/2] GPIO: Extend the cmd_gpio API by gpio_{from, to}_string()

[Mike Frysinger]

On Tuesday 01 May 2012 16:50:14 Marek Vasut wrote:
> The gpio_from_string() call shall parse the incoming GPIO name taken
> from the command line and return the GPIO number used within U-Boot or
> return -1 on error.

i.e. the already existing name_to_gpio() func

> The gpio_to_string() on the other hand allows nicer reporting of GPIO
> name in the output of cmd_gpio.

i don't see the value in this.  we already have the string name from the user, 
so all you've implemented is:
	gpio_to_string(gpio_from_string(argv[]))
at which point, argv[] works fine.
-mike
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