}
}
-#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)