linux-kernel - RE: [PATCH 1/1] gpio: introduce gpio_export

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Date:	Tue, 15 Nov 2011 10:36:57 -0800
From:	Stephen Warren <swarren@...dia.com>
To:	Dong Aisheng <dong.aisheng@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"grant.likely@...retlab.ca" <grant.likely@...retlab.ca>,
	"arnd@...db.de" <arnd@...db.de>
Subject: RE: [PATCH 1/1] gpio: introduce gpio_export_array to ease export
 for gpio arrays

Dong Aisheng wrote at Tuesday, November 15, 2011 2:54 AM:
> Introduce gpio_export_array function to ease the export operation
> for gpio arrays.
> This can cooperate with the exist gpio_request_array function.
...
> +/**
> + * gpio_export_array - export multiple GPIOs in a single call
> + * @array:	array of the 'struct gpio'
> + * @num:	how many GPIOs in the array
> + */
> +int gpio_export_array(const struct gpio *array, size_t num,
> +			bool direction_may_change)

Should direction_may_change be added to "struct gpio" so it can vary
per pin?

I might this new function to create its own parameter type instead of
re-using struct gpio, but I guess the main value here is re-using the
data passed to both request_array and export_array.

-- 
nvpublic

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