MIPS: Ath79: Remove the unused GPIO function API

[linux-drm-fsl-dcu.git] / arch / mips / ath79 / gpio.c

diff --git a/arch/mips/ath79/gpio.c b/arch/mips/ath79/gpio.c
index f59ccb26520a943d706c262d120bc5394d5131d3..c3c92eb56e040b567a218fe624cbb2183ab83a3d 100644 (file)
--- a/arch/mips/ath79/gpio.c
+++ b/arch/mips/ath79/gpio.c
@@ -24,8 +24,6 @@
 #include <linux/of_device.h>
 
 #include <asm/mach-ath79/ar71xx_regs.h>
-#include <asm/mach-ath79/ath79.h>
-#include "common.h"
 
 static void __iomem *ath79_gpio_base;
 static u32 ath79_gpio_count;
@@ -139,47 +137,6 @@ static struct gpio_chip ath79_gpio_chip = {
        .base                   = 0,
 };
 
-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);
-}
-
 static const struct of_device_id ath79_gpio_of_match[] = {
        { .compatible = "qca,ar7100-gpio" },
        { .compatible = "qca,ar9340-gpio" },