1 files changed, 12 insertions, 10 deletions

diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h
index f63d824e6e48..6bd265b34a4c 100644
--- a/include/asm-mips/hazards.h
+++ b/include/asm-mips/hazards.h
@@ -148,15 +148,13 @@ __asm__(
 #endif
 
 /*
- * mtc0->mfc0 hazard
- * The 24K has a 2 cycle mtc0/mfc0 execution hazard.
- * It is a MIPS32R2 processor so ehb will clear the hazard.
+ * Interrupt enable/disable hazards
+ * Some processors have hazards when modifying
+ * the status register to change the interrupt state
  */
 
 #ifdef CONFIG_CPU_MIPSR2
-/*
- * Use a macro for ehb unless explicit support for MIPSR2 is enabled
- */
+
 __asm__(
         "       .macro\tirq_enable_hazard                       \n\t"
         "       _ehb                                            \n\t"
@@ -164,19 +162,23 @@ __asm__(
         "                                                       \n\t"
         "       .macro\tirq_disable_hazard                      \n\t"
         "       _ehb                                            \n\t"
+        "       .endm                                           \n\t"
+        "                                                       \n\t"
+        "       .macro\tback_to_back_c0_hazard                  \n\t"
+        "       _ehb                                            \n\t"
         "       .endm");
 
 #define irq_enable_hazard()                                             \
         __asm__ __volatile__(                                           \
-        "_ehb\t\t\t\t# irq_enable_hazard")
+        "irq_enable_hazard")
 
 #define irq_disable_hazard()                                            \
         __asm__ __volatile__(                                           \
-        "_ehb\t\t\t\t# irq_disable_hazard")
+        "irq_disable_hazard")
 
 #define back_to_back_c0_hazard()                                        \
         __asm__ __volatile__(                                           \
-        "_ehb\t\t\t\t# back_to_back_c0_hazard")
+        "back_to_back_c0_hazard")
 
 #elif defined(CONFIG_CPU_R10000) || defined(CONFIG_CPU_RM9000)
 
@@ -218,7 +220,7 @@ __asm__(
 #define irq_enable_hazard()     do { } while (0)
 #define irq_disable_hazard()                                            \
         __asm__ __volatile__(                                           \
-        "_ssnop; _ssnop; _ssnop;\t\t# irq_disable_hazard")
+        "irq_disable_hazard")
 
 #define back_to_back_c0_hazard()                                        \
         __asm__ __volatile__(                                           \