Commit 226b2242 authored Apr 20, 2017 by Anatolij Gustschin Committed by Linus Walleij May 22, 2017

gpio: export add/remove lookup table functions



For hot-pluggable devices adding GPIOs dynamically we need to
assemble and add the gpio lookup tables at probe time in modules,
so that requesting these GPIOs in attached drivers can work.
Export lookup table functions for modules.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent 7b0db553

drivers/gpio/gpiolib.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -3008,6 +3008,7 @@ void gpiod_add_lookup_table(struct gpiod_lookup_table *table)

		mutex_unlock(&gpio_lookup_lock);
		}
		EXPORT_SYMBOL_GPL(gpiod_add_lookup_table);

		/**
		* gpiod_remove_lookup_table() - unregister GPIO device consumers
		@@ -3021,6 +3022,7 @@ void gpiod_remove_lookup_table(struct gpiod_lookup_table *table)

		mutex_unlock(&gpio_lookup_lock);
		}
		EXPORT_SYMBOL_GPL(gpiod_remove_lookup_table);

		static struct gpiod_lookup_table gpiod_find_lookup_table(struct device dev)
		{

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