From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonas Gorski Subject: [PATCH RFT 3/5] gpio: gpio-xz: use the generic request/free implementations Date: Sun, 13 Sep 2015 15:21:36 +0200 Message-ID: <1442150498-31116-4-git-send-email-jogo@openwrt.org> References: <1442150498-31116-1-git-send-email-jogo@openwrt.org> Return-path: Received: from arrakis.dune.hu ([78.24.191.176]:54555 "EHLO arrakis.dune.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752455AbbIMNWp (ORCPT ); Sun, 13 Sep 2015 09:22:45 -0400 In-Reply-To: <1442150498-31116-1-git-send-email-jogo@openwrt.org> Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: linux-gpio@vger.kernel.org Cc: Linus Walleij , Alexandre Courbot , Joachim Eastwood , Jonas Jensen , Gregory CLEMENT , Thomas Petazzoni , James Hogan , Stefan Agner , Jun Nie , Stephen Warren , Lee Jones , Eric Anholt , Mika Westerberg , Heikki Krogerus , Matthias Brugger , Alessandro Rubini , Sonic Zhang , Laxman Dewangan , Jean-Christophe Plagniol-Villard , Jonas Aaberg , Baruch Siach , Andrew Instead of storing in the chip data whether the chip uses pinctrl and conditionally call pinctrl_{request,free}_gpio, just don't populate request/free in that case. This makes the implementations trivial and the same as the generic implementations, thus we can just use them. Signed-off-by: Jonas Gorski --- drivers/gpio/gpio-zx.c | 28 ++++------------------------ 1 file changed, 4 insertions(+), 24 deletions(-) diff --git a/drivers/gpio/gpio-zx.c b/drivers/gpio/gpio-zx.c index 12ee196..19f9be4 100644 --- a/drivers/gpio/gpio-zx.c +++ b/drivers/gpio/gpio-zx.c @@ -41,7 +41,6 @@ struct zx_gpio { void __iomem *base; struct gpio_chip gc; - bool uses_pinctrl; }; static inline struct zx_gpio *to_zx(struct gpio_chip *gc) @@ -49,25 +48,6 @@ static inline struct zx_gpio *to_zx(struct gpio_chip *gc) return container_of(gc, struct zx_gpio, gc); } -static int zx_gpio_request(struct gpio_chip *gc, unsigned offset) -{ - struct zx_gpio *chip = to_zx(gc); - int gpio = gc->base + offset; - - if (chip->uses_pinctrl) - return pinctrl_request_gpio(gpio); - return 0; -} - -static void zx_gpio_free(struct gpio_chip *gc, unsigned offset) -{ - struct zx_gpio *chip = to_zx(gc); - int gpio = gc->base + offset; - - if (chip->uses_pinctrl) - pinctrl_free_gpio(gpio); -} - static int zx_direction_input(struct gpio_chip *gc, unsigned offset) { struct zx_gpio *chip = to_zx(gc); @@ -252,12 +232,12 @@ static int zx_gpio_probe(struct platform_device *pdev) return PTR_ERR(chip->base); spin_lock_init(&chip->lock); - if (of_property_read_bool(dev->of_node, "gpio-ranges")) - chip->uses_pinctrl = true; + if (of_property_read_bool(dev->of_node, "gpio-ranges")) { + chip->gc.request = gpiochip_generic_request; + chip->gc.free = gpiochip_generic_free; + } id = of_alias_get_id(dev->of_node, "gpio"); - chip->gc.request = zx_gpio_request; - chip->gc.free = zx_gpio_free; chip->gc.direction_input = zx_direction_input; chip->gc.direction_output = zx_direction_output; chip->gc.get = zx_get_value; -- 2.1.4