target/linux/ar71xx/patches-4.4/504-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 @@ -144,5 +144,6 @@ 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  #endif /* __ASM_MACH_ATH79_H */
  10 --- a/arch/mips/ath79/common.c
  11 +++ b/arch/mips/ath79/common.c
  12 @@ -142,3 +142,29 @@ void ath79_device_reset_clear(u32 mask)
  13         spin_unlock_irqrestore(&ath79_device_reset_lock, flags);
  14  }
  15  EXPORT_SYMBOL_GPL(ath79_device_reset_clear);
  16 +
  17 +u32 ath79_device_reset_get(u32 mask)
  18 +{
  19 +       unsigned long flags;
  20 +       u32 reg;
  21 +       u32 ret;
  22 +
  23 +       if (soc_is_ar71xx())
  24 +               reg = AR71XX_RESET_REG_RESET_MODULE;
  25 +       else if (soc_is_ar724x())
  26 +               reg = AR724X_RESET_REG_RESET_MODULE;
  27 +       else if (soc_is_ar913x())
  28 +               reg = AR913X_RESET_REG_RESET_MODULE;
  29 +       else if (soc_is_ar933x())
  30 +               reg = AR933X_RESET_REG_RESET_MODULE;
  31 +       else if (soc_is_ar934x())
  32 +               reg = AR934X_RESET_REG_RESET_MODULE;
  33 +       else
  34 +               BUG();
  35 +
  36 +       spin_lock_irqsave(&ath79_device_reset_lock, flags);
  37 +       ret = ath79_reset_rr(reg);
  38 +       spin_unlock_irqrestore(&ath79_device_reset_lock, flags);
  39 +       return ret;
  40 +}
  41 +EXPORT_SYMBOL_GPL(ath79_device_reset_get);