ralink: add helper that identifies the mt7620 ECO

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 39014
This commit is contained in:
John Crispin 2013-12-09 17:29:03 +00:00
parent 833943b410
commit 231eca9375

View file

@ -0,0 +1,14 @@
Index: linux-3.10.18/arch/mips/include/asm/mach-ralink/mt7620.h
===================================================================
--- linux-3.10.18.orig/arch/mips/include/asm/mach-ralink/mt7620.h 2013-12-06 16:20:27.753388970 +0100
+++ linux-3.10.18/arch/mips/include/asm/mach-ralink/mt7620.h 2013-12-06 16:21:14.021390074 +0100
@@ -101,4 +101,9 @@
#define MT7620_GPIO_MODE_EPHY 15
#define MT7620_GPIO_MODE_PA 20
+static inline int mt7620_get_eco(void)
+{
+ return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
+}
+
#endif