gpio: mockup: implement gpio_mockup_set_multiple()

Implement the set_multiple() callback and register it with the gpiolib
framework. This is only meant to also test the internal kernel API.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index dfb9ee0..cbc823e 100644 (file)
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -96,6 +96,16 @@ static void gpio_mockup_set(struct gpio_chip *gc,
        chip->lines[offset].value = !!value;
 }
 
+static void gpio_mockup_set_multiple(struct gpio_chip *gc,
+                                    unsigned long *mask, unsigned long *bits)
+{
+       unsigned int bit;
+
+       for_each_set_bit(bit, mask, gc->ngpio)
+               gpio_mockup_set(gc, bit, test_bit(bit, bits));
+
+}
+
 static int gpio_mockup_dirout(struct gpio_chip *gc,
                              unsigned int offset, int value)
 {
@@ -269,6 +279,7 @@ static int gpio_mockup_probe(struct platform_device *pdev)
        gc->parent = dev;
        gc->get = gpio_mockup_get;
        gc->set = gpio_mockup_set;
+       gc->set_multiple = gpio_mockup_set_multiple;
        gc->direction_output = gpio_mockup_dirout;
        gc->direction_input = gpio_mockup_dirin;
        gc->get_direction = gpio_mockup_get_direction;