target/linux/ramips/patches-3.14/0002-MIPS-ralink-add-a-helper-for-reading-the-ECO-version.patch

   1 From 1751f28d4779df83cc793c9d7ff75485c0ceaa23 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Sun, 16 Mar 2014 04:53:02 +0000
   4 Subject: [PATCH 02/57] MIPS: ralink: add a helper for reading the ECO version
   5
   6 Signed-off-by: John Crispin <blogic@openwrt.org>
   7 ---
   8  arch/mips/include/asm/mach-ralink/mt7620.h |    5 +++++
   9  1 file changed, 5 insertions(+)
  10
  11 --- a/arch/mips/include/asm/mach-ralink/mt7620.h
  12 +++ b/arch/mips/include/asm/mach-ralink/mt7620.h
  13 @@ -105,4 +105,9 @@
  14  #define MT7620_GPIO_MODE_EPHY          BIT(15)
  15  #define MT7620_GPIO_MODE_WDT           BIT(22)
  16
  17 +static inline int mt7620_get_eco(void)
  18 +{
  19 +       return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
  20 +}
  21 +
  22  #endif