From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Walleij Subject: [PATCH 086/182] gpio: zx: use gpiochip data pointer Date: Wed, 9 Dec 2015 14:29:14 +0100 Message-ID: <1449667754-1611-1-git-send-email-linus.walleij@linaro.org> Return-path: Received: from mail-lf0-f43.google.com ([209.85.215.43]:34258 "EHLO mail-lf0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751617AbbLIN3S (ORCPT ); Wed, 9 Dec 2015 08:29:18 -0500 Received: by lffu14 with SMTP id u14so34253490lff.1 for ; Wed, 09 Dec 2015 05:29:17 -0800 (PST) Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: linux-gpio@vger.kernel.org, Johan Hovold , Alexandre Courbot , Michael Welling , Markus Pargmann Cc: Linus Walleij , Jun Nie This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Cc: Jun Nie Signed-off-by: Linus Walleij --- drivers/gpio/gpio-zx.c | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-) diff --git a/drivers/gpio/gpio-zx.c b/drivers/gpio/gpio-zx.c index ab2e54fa46cf..47c79fa65670 100644 --- a/drivers/gpio/gpio-zx.c +++ b/drivers/gpio/gpio-zx.c @@ -43,14 +43,9 @@ struct zx_gpio { struct gpio_chip gc; }; -static inline struct zx_gpio *to_zx(struct gpio_chip *gc) -{ - return container_of(gc, struct zx_gpio, gc); -} - static int zx_direction_input(struct gpio_chip *gc, unsigned offset) { - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); unsigned long flags; u16 gpiodir; @@ -69,7 +64,7 @@ static int zx_direction_input(struct gpio_chip *gc, unsigned offset) static int zx_direction_output(struct gpio_chip *gc, unsigned offset, int value) { - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); unsigned long flags; u16 gpiodir; @@ -92,14 +87,14 @@ static int zx_direction_output(struct gpio_chip *gc, unsigned offset, static int zx_get_value(struct gpio_chip *gc, unsigned offset) { - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); return !!(readw_relaxed(chip->base + ZX_GPIO_DI) & BIT(offset)); } static void zx_set_value(struct gpio_chip *gc, unsigned offset, int value) { - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); if (value) writew_relaxed(BIT(offset), chip->base + ZX_GPIO_DO1); @@ -110,7 +105,7 @@ static void zx_set_value(struct gpio_chip *gc, unsigned offset, int value) static int zx_irq_type(struct irq_data *d, unsigned trigger) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); int offset = irqd_to_hwirq(d); unsigned long flags; u16 gpiois, gpioi_epos, gpioi_eneg, gpioiev; @@ -162,7 +157,7 @@ static void zx_irq_handler(struct irq_desc *desc) unsigned long pending; int offset; struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); struct irq_chip *irqchip = irq_desc_get_chip(desc); chained_irq_enter(irqchip, desc); @@ -181,7 +176,7 @@ static void zx_irq_handler(struct irq_desc *desc) static void zx_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); u16 mask = BIT(irqd_to_hwirq(d) % ZX_GPIO_NR); u16 gpioie; @@ -196,7 +191,7 @@ static void zx_irq_mask(struct irq_data *d) static void zx_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); u16 mask = BIT(irqd_to_hwirq(d) % ZX_GPIO_NR); u16 gpioie; @@ -248,7 +243,7 @@ static int zx_gpio_probe(struct platform_device *pdev) chip->gc.parent = dev; chip->gc.owner = THIS_MODULE; - ret = gpiochip_add(&chip->gc); + ret = gpiochip_add_data(&chip->gc, chip); if (ret) return ret; -- 2.4.3