--- a/arch/mips/include/asm/mach-ath79/ath79.h +++ b/arch/mips/include/asm/mach-ath79/ath79.h @@ -145,6 +145,7 @@ static inline u32 ath79_reset_rr(unsigne void ath79_device_reset_set(u32 mask); void ath79_device_reset_clear(u32 mask); +u32 ath79_device_reset_get(u32 mask); void ath79_cpu_irq_init(unsigned irq_wb_chan2, unsigned irq_wb_chan3); void ath79_misc_irq_init(void __iomem *regs, int irq, --- a/arch/mips/ath79/common.c +++ b/arch/mips/ath79/common.c @@ -142,3 +142,29 @@ void ath79_device_reset_clear(u32 mask) spin_unlock_irqrestore(&ath79_device_reset_lock, flags); } EXPORT_SYMBOL_GPL(ath79_device_reset_clear); + +u32 ath79_device_reset_get(u32 mask) +{ + unsigned long flags; + u32 reg; + u32 ret; + + if (soc_is_ar71xx()) + reg = AR71XX_RESET_REG_RESET_MODULE; + else if (soc_is_ar724x()) + reg = AR724X_RESET_REG_RESET_MODULE; + else if (soc_is_ar913x()) + reg = AR913X_RESET_REG_RESET_MODULE; + else if (soc_is_ar933x()) + reg = AR933X_RESET_REG_RESET_MODULE; + else if (soc_is_ar934x()) + reg = AR934X_RESET_REG_RESET_MODULE; + else + BUG(); + + spin_lock_irqsave(&ath79_device_reset_lock, flags); + ret = ath79_reset_rr(reg); + spin_unlock_irqrestore(&ath79_device_reset_lock, flags); + return ret; +} +EXPORT_SYMBOL_GPL(ath79_device_reset_get);