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Date:	Thu, 24 Jul 2014 10:26:06 +0200
From:	Linus Walleij <>
To:	Guenter Roeck <>
Cc:	"" <>,
	"" <>,
	"" <>,
	Alexandre Courbot <>,
	Randy Dunlap <>,
	Mika Westerberg <>
Subject: Re: [PATCH v3] gpiolib: Export gpiochip_request_own_desc and gpiochip_free_own_desc

On Tue, Jul 22, 2014 at 5:01 PM, Guenter Roeck <> wrote:

> Both functions were introduced to let gpio drivers request their own
> gpio pins. Without exporting the functions, this can however only be
> used by gpio drivers built into the kernel.
> Secondary impact is that the functions can not currently be used by
> platform initialization code associated with the gpio-pca953x driver.
> This code permits auto-export of gpio pins through platform data, but
> if this functionality is used, the module can no longer be unloaded due
> to the problem solved with the introduction of gpiochip_request_own_desc
> and gpiochip_free_own_desc.
> Export both function so they can be used from modules and from
> platform initialization code.
> Cc: Mika Westerberg <>
> Signed-off-by: Guenter Roeck <>
> ---
> v3: Add API documentation.

Patch applied with the nice review tags.

Linus Walleij
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