-static void __iomem *ath79_gpio_get_function_reg(void)
-{
- u32 reg = 0;
-
- if (soc_is_ar71xx() ||
- soc_is_ar724x() ||
- soc_is_ar913x() ||
- soc_is_ar933x())
- reg = AR71XX_GPIO_REG_FUNC;
- else if (soc_is_ar934x())
- reg = AR934X_GPIO_REG_FUNC;
- else
- BUG();
-
- return ath79_gpio_base + reg;
-}
-
-void ath79_gpio_function_setup(u32 set, u32 clear)
-{
- void __iomem *reg = ath79_gpio_get_function_reg();
- unsigned long flags;
-
- spin_lock_irqsave(&ath79_gpio_lock, flags);
-
- __raw_writel((__raw_readl(reg) & ~clear) | set, reg);
- /* flush write */
- __raw_readl(reg);
-
- spin_unlock_irqrestore(&ath79_gpio_lock, flags);
-}
-
-void ath79_gpio_function_enable(u32 mask)
-{
- ath79_gpio_function_setup(mask, 0);
-}
-
-void ath79_gpio_function_disable(u32 mask)
-{
- ath79_gpio_function_setup(0, mask);
-}
-