target/linux/ar71xx/patches-4.9/504-MIPS-ath79-add-ath79_device_reset_get.patch

   1 --- a/arch/mips/include/asm/mach-ath79/ath79.h
   2 +++ b/arch/mips/include/asm/mach-ath79/ath79.h
   3 @@ -145,6 +145,7 @@ static inline u32 ath79_reset_rr(unsigne
   4
   5  void ath79_device_reset_set(u32 mask);
   6  void ath79_device_reset_clear(u32 mask);
   7 +u32 ath79_device_reset_get(u32 mask);
   8
   9  void ath79_cpu_irq_init(unsigned irq_wb_chan2, unsigned irq_wb_chan3);
  10  void ath79_misc_irq_init(void __iomem *regs, int irq,
  11 --- a/arch/mips/ath79/common.c
  12 +++ b/arch/mips/ath79/common.c
  13 @@ -142,3 +142,29 @@ void ath79_device_reset_clear(u32 mask)
  14         spin_unlock_irqrestore(&ath79_device_reset_lock, flags);
  15  }
  16  EXPORT_SYMBOL_GPL(ath79_device_reset_clear);
  17 +
  18 +u32 ath79_device_reset_get(u32 mask)
  19 +{
  20 +       unsigned long flags;
  21 +       u32 reg;
  22 +       u32 ret;
  23 +
  24 +       if (soc_is_ar71xx())
  25 +               reg = AR71XX_RESET_REG_RESET_MODULE;
  26 +       else if (soc_is_ar724x())
  27 +               reg = AR724X_RESET_REG_RESET_MODULE;
  28 +       else if (soc_is_ar913x())
  29 +               reg = AR913X_RESET_REG_RESET_MODULE;
  30 +       else if (soc_is_ar933x())
  31 +               reg = AR933X_RESET_REG_RESET_MODULE;
  32 +       else if (soc_is_ar934x())
  33 +               reg = AR934X_RESET_REG_RESET_MODULE;
  34 +       else
  35 +               BUG();
  36 +
  37 +       spin_lock_irqsave(&ath79_device_reset_lock, flags);
  38 +       ret = ath79_reset_rr(reg);
  39 +       spin_unlock_irqrestore(&ath79_device_reset_lock, flags);
  40 +       return ret;
  41 +}
  42 +EXPORT_SYMBOL_GPL(ath79_device_reset_get);