diff options
| author |   Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-03-10 23:27:33 -0700 |
|---|---|---|
| committer |   Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-03-18 08:58:45 +0100 |
| commit | 4a8909d0228133ec02ffac76590c055e593e8185 (patch) | |
| tree | 5db0d1eb31d0242a12e24dece6e0a573ba7b62b4 /drivers/gpio/gpio-vf610.c | |
| parent | gpio: vf610: Simplify vf610_gpio_set() (diff) | |
| download | wireguard-linux-4a8909d0228133ec02ffac76590c055e593e8185.tar.xz wireguard-linux-4a8909d0228133ec02ffac76590c055e593e8185.zip | |
gpio: vf610: Simplify vf610_gpio_get()
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>
Diffstat (limited to 'drivers/gpio/gpio-vf610.c')
| -rw-r--r-- | drivers/gpio/gpio-vf610.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 2ea17870e9da..bb35cedd05e3 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -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) |