target/linux/ramips/patches-3.10/800-eco.patch


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--- a/arch/mips/include/asm/mach-ralink/mt7620.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
@@ -101,4 +101,9 @@
 #define MT7620_GPIO_MODE_EPHY		15
 #define MT7620_GPIO_MODE_PA		20
 
+static inline int mt7620_get_eco(void)
+{
+	return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
+}
+
 #endif