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    Subject[PATCH v2 5/9] gpio: mockup: implement get_multiple()
    Date
    From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

    We already support set_multiple(). Implement get_multiple() as well.

    Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
    ---
    drivers/gpio/gpio-mockup.c | 17 +++++++++++++++++
    1 file changed, 17 insertions(+)

    diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
    index b4c1de6acf74..1c945c967f60 100644
    --- a/drivers/gpio/gpio-mockup.c
    +++ b/drivers/gpio/gpio-mockup.c
    @@ -102,6 +102,22 @@ static int gpio_mockup_get(struct gpio_chip *gc, unsigned int offset)
    return val;
    }

    +static int gpio_mockup_get_multiple(struct gpio_chip *gc,
    + unsigned long *mask, unsigned long *bits)
    +{
    + struct gpio_mockup_chip *chip = gpiochip_get_data(gc);
    + unsigned int bit, val;
    +
    + mutex_lock(&chip->lock);
    + for_each_set_bit(bit, mask, gc->ngpio) {
    + val = __gpio_mockup_get(gc, bit);
    + __assign_bit(bit, bits, val);
    + }
    + mutex_unlock(&chip->lock);
    +
    + return 0;
    +}
    +
    static void __gpio_mockup_set(struct gpio_chip *gc,
    unsigned int offset, int value)
    {
    @@ -327,6 +343,7 @@ static int gpio_mockup_probe(struct platform_device *pdev)
    gc->parent = dev;
    gc->get = gpio_mockup_get;
    gc->set = gpio_mockup_set;
    + gc->get_multiple = gpio_mockup_get_multiple;
    gc->set_multiple = gpio_mockup_set_multiple;
    gc->direction_output = gpio_mockup_dirout;
    gc->direction_input = gpio_mockup_dirin;
    --
    2.19.1
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