target/linux/ar71xx/patches-4.4/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch

   1 --- a/arch/mips/ath79/gpio.c
   2 +++ b/arch/mips/ath79/gpio.c
   3 @@ -33,6 +33,7 @@ static void __iomem *ath79_gpio_get_func
   4                 reg = AR71XX_GPIO_REG_FUNC;
   5         else if (soc_is_ar934x() ||
   6                  soc_is_qca953x() ||
   7 +                soc_is_qca955x() ||
   8                  soc_is_qca956x() ||
   9                  soc_is_tp9343())
  10                 reg = AR934X_GPIO_REG_FUNC;
  11 @@ -64,15 +65,21 @@ void ath79_gpio_function_disable(u32 mas
  12  void __init ath79_gpio_output_select(unsigned gpio, u8 val)
  13  {
  14         void __iomem *base = ath79_gpio_base;
  15 -       unsigned int reg;
  16 +       unsigned int reg, reg_base;
  17         u32 t, s;
  18
  19 -       BUG_ON(!soc_is_ar934x() && !soc_is_qca953x() && !soc_is_qca956x());
  20 -
  21 -       if (gpio >= AR934X_GPIO_COUNT)
  22 -               return;
  23 +       if (soc_is_ar934x())
  24 +               reg_base = AR934X_GPIO_REG_OUT_FUNC0;
  25 +       else if (soc_is_qca953x())
  26 +               reg_base = QCA953X_GPIO_REG_OUT_FUNC0;
  27 +       else if (soc_is_qca955x())
  28 +               reg_base = QCA955X_GPIO_REG_OUT_FUNC0;
  29 +       else if (soc_is_qca956x())
  30 +               reg_base = QCA956X_GPIO_REG_OUT_FUNC0;
  31 +       else
  32 +               BUG();
  33
  34 -       reg = AR934X_GPIO_REG_OUT_FUNC0 + 4 * (gpio / 4);
  35 +       reg = reg_base + 4 * (gpio / 4);
  36         s = 8 * (gpio % 4);
  37
  38         t = __raw_readl(base + reg);