summaryrefslogtreecommitdiffstats
path: root/drivers/gpio/gpiolib.c
diff options
context:
space:
mode:
authorAnatolij Gustschin <agust@denx.de>2017-04-20 23:23:20 +0200
committerLinus Walleij <linus.walleij@linaro.org>2017-05-22 10:57:47 +0200
commit226b2242d43d6d2d4a72e394c19fdd2f1b06f29e (patch)
tree0fc1ca2890b52f8b7a8122e686725faf2057ff85 /drivers/gpio/gpiolib.c
parent7b0db5533608eb3864383cc211e56027d39a6cde (diff)
downloadop-kernel-dev-226b2242d43d6d2d4a72e394c19fdd2f1b06f29e.zip
op-kernel-dev-226b2242d43d6d2d4a72e394c19fdd2f1b06f29e.tar.gz
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>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r--drivers/gpio/gpiolib.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 5db4413..995ca9c 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -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)
{
OpenPOWER on IntegriCloud