1 files changed, 5 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-ralink/mt7620.h b/arch/mips/include/asm/mach-ralink/mt7620.h
index 6f9b24f51157..7ff929005d15 100644
--- a/arch/mips/include/asm/mach-ralink/mt7620.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
@@ -105,4 +105,9 @@
 #define MT7620_GPIO_MODE_EPHY           BIT(15)
 #define MT7620_GPIO_MODE_WDT            BIT(22)
 
+static inline int mt7620_get_eco(void)
+{
+        return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
+}
+
 #endif