diff options
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 1a0890586b45..097ed8d1a117 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -326,32 +326,18 @@ static inline void omap_set_gpio_trigger(struct gpio_bank *bank, int gpio, } } -#ifdef CONFIG_ARCH_OMAP1 /* * This only applies to chips that can't do both rising and falling edge * detection at once. For all other chips, this function is a noop. */ static void omap_toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) { - void __iomem *reg = bank->base; - u32 l = 0; - - if (!bank->regs->irqctrl) - return; - - reg += bank->regs->irqctrl; + if (IS_ENABLED(CONFIG_ARCH_OMAP1) && bank->regs->irqctrl) { + void __iomem *reg = bank->base + bank->regs->irqctrl; - l = readl_relaxed(reg); - if ((l >> gpio) & 1) - l &= ~(BIT(gpio)); - else - l |= BIT(gpio); - - writel_relaxed(l, reg); + writel_relaxed(readl_relaxed(reg) ^ BIT(gpio), reg); + } } -#else -static void omap_toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) {} -#endif static int omap_set_gpio_triggering(struct gpio_bank *bank, int gpio, unsigned trigger) |