From f57edea9db0f7f437bc4f2ae408f6dd8bfbb9062 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Sun, 16 Mar 2014 04:53:02 +0000
Subject: [PATCH 110/133] MIPS: ralink: add a helper for reading the ECO
 version

Signed-off-by: John Crispin <blogic@openwrt.org>
---
 arch/mips/include/asm/mach-ralink/mt7620.h |    5 +++++
 1 file changed, 5 insertions(+)

--- a/arch/mips/include/asm/mach-ralink/mt7620.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
@@ -79,4 +79,9 @@
 #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
