From cbf1e092f2d86e6d7cdb7f9ff8a333f52c826232 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Wed, 31 Oct 2018 15:01:40 +0100 Subject: [PATCH] gpio: mockup: implement get_multiple() We already support set_multiple(). Implement get_multiple() as well. Signed-off-by: Bartosz Golaszewski --- 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; -- 2.30.2