Re: [PATCH v3] gpiolib: Export gpiochip_request_own_desc and gpiochip_free_own_desc
From: Linus Walleij
Date: Thu Jul 24 2014 - 04:26:18 EST
On Tue, Jul 22, 2014 at 5:01 PM, Guenter Roeck <linux@xxxxxxxxxxxx> 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 <mika.westerberg@xxxxxxxxxxxxxxx>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> v3: Add API documentation.
> Use EXPORT_SYMBOL_GPL.
Patch applied with the nice review tags.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/