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