From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartosz Golaszewski Subject: [PATCH 3/3] gpio: mockup: implement get_multiple() Date: Thu, 8 Nov 2018 17:52:55 +0100 Message-ID: <20181108165255.9940-4-brgl@bgdev.pl> References: <20181108165255.9940-1-brgl@bgdev.pl> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20181108165255.9940-1-brgl@bgdev.pl> Sender: linux-kernel-owner@vger.kernel.org To: Bamvor Jian Zhang , Linus Walleij , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski List-Id: linux-gpio@vger.kernel.org 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 3cd92912c414..a4c054cf9c5f 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