[ARM] Add newly discovered CR register function.

diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index bb533f25fc7d4082d144631abb5ca6dc19573a5c..77f1e22e87309ea67e21ca71609e8ef36e15008c 100644 (file)
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -36,7 +36,7 @@
 #define CR_DT  (1 << 16)
 #define CR_IT  (1 << 18)
 #define CR_ST  (1 << 19)
-#define CR_FI  (1 << 21)
+#define CR_FI  (1 << 21)       /* Fast interrupt (lower latency mode)  */
 #define CR_U   (1 << 22)       /* Unaligned access operation           */
 #define CR_XP  (1 << 23)       /* Extended page tables                 */
 #define CR_VE  (1 << 24)       /* Vectored interrupts                  */