diff options
| author | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2018-10-31 15:01:40 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-02-19 17:42:28 +0100 |
| commit | cbf1e092f2d86e6d7cdb7f9ff8a333f52c826232 (patch) | |
| tree | a99a1ee9c4a11fc967adb16a045ad2b9d568c6db /drivers/gpio | |
| parent | gpio: mockup: add locking (diff) | |
| download | linux-cbf1e092f2d86e6d7cdb7f9ff8a333f52c826232.tar.xz linux-cbf1e092f2d86e6d7cdb7f9ff8a333f52c826232.zip | |
gpio: mockup: implement get_multiple()
We already support set_multiple(). Implement get_multiple() as well.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-mockup.c | 17 |
1 files changed, 17 insertions, 0 deletions
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; |