From: John Crispin <blogic@openwrt.org>
Date: Sun, 16 Mar 2014 04:53:02 +0000 (+0000)
Subject: MIPS: ralink: add a helper for reading the ECO version
X-Git-Tag: v3.19-rc1~115^2~75
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2920b83d35e24ec80777625ab809ce7dcf08a84a;p=karo-tx-linux.git

MIPS: ralink: add a helper for reading the ECO version

Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/8000/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

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