summaryrefslogtreecommitdiff
path: root/drivers/gpio/gpio-loongson1.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpio/gpio-loongson1.c')
-rw-r--r--drivers/gpio/gpio-loongson1.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-loongson1.c b/drivers/gpio/gpio-loongson1.c
index 72b64039241a..fca84ccac35c 100644
--- a/drivers/gpio/gpio-loongson1.c
+++ b/drivers/gpio/gpio-loongson1.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/gpio/driver.h>
#include <linux/platform_device.h>
+#include <linux/bitops.h>
/* Loongson 1 GPIO Register Definitions */
#define GPIO_CFG 0x0
@@ -22,11 +23,10 @@ static void __iomem *gpio_reg_base;
static int ls1x_gpio_request(struct gpio_chip *gc, unsigned int offset)
{
- unsigned long pinmask = gc->pin2mask(gc, offset);
unsigned long flags;
spin_lock_irqsave(&gc->bgpio_lock, flags);
- __raw_writel(__raw_readl(gpio_reg_base + GPIO_CFG) | pinmask,
+ __raw_writel(__raw_readl(gpio_reg_base + GPIO_CFG) | BIT(offset),
gpio_reg_base + GPIO_CFG);
spin_unlock_irqrestore(&gc->bgpio_lock, flags);
@@ -35,11 +35,10 @@ static int ls1x_gpio_request(struct gpio_chip *gc, unsigned int offset)
static void ls1x_gpio_free(struct gpio_chip *gc, unsigned int offset)
{
- unsigned long pinmask = gc->pin2mask(gc, offset);
unsigned long flags;
spin_lock_irqsave(&gc->bgpio_lock, flags);
- __raw_writel(__raw_readl(gpio_reg_base + GPIO_CFG) & ~pinmask,
+ __raw_writel(__raw_readl(gpio_reg_base + GPIO_CFG) & ~BIT(offset),
gpio_reg_base + GPIO_CFG);
spin_unlock_irqrestore(&gc->bgpio_lock, flags);
}