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gpio: vf610: Simplify vf610_gpio_get()

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Both branches of the if statement do exactly the same thing, just at
different offsets. Simplify the code a bit by moving shared action
code outside of the if statement. No functional change intended.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-imx@nxp.com
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Andrey Smirnov 2019-03-10 23:27:33 -07:00 committed by Bartosz Golaszewski
parent a262555bc6
commit 4a8909d022
1 changed files with 5 additions and 7 deletions
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12
drivers/gpio/gpio-vf610.c
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@ -85,17 +85,15 @@ static int vf610_gpio_get(struct gpio_chip *gc, unsigned int gpio)
{
struct vf610_gpio_port *port = gpiochip_get_data(gc);
unsigned long mask = BIT(gpio);
void __iomem *addr;
unsigned long offset = GPIO_PDIR;
if (port->sdata && port->sdata->have_paddr) {
mask &= vf610_gpio_readl(port->gpio_base + GPIO_PDDR);
addr = mask ? port->gpio_base + GPIO_PDOR :
port->gpio_base + GPIO_PDIR;
return !!(vf610_gpio_readl(addr) & BIT(gpio));
} else {
return !!(vf610_gpio_readl(port->gpio_base + GPIO_PDIR)
& BIT(gpio));
if (mask)
offset = GPIO_PDOR;
}
return !!(vf610_gpio_readl(port->gpio_base + offset) & BIT(gpio));
}
static void vf610_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)