[PATCH 02/10] MIPS: ralink: add a helper for reading the ECO version

[John Crispin <blogic@xxxxxxxxxxx>]

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

diff --git a/arch/mips/include/asm/mach-ralink/mt7620.h b/arch/mips/include/asm/mach-ralink/mt7620.h
index 6f9b24f..7ff9290 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
-- 
1.7.10.4