svn commit: r282830 - head/sys/arm/arm

[Ganbold Tsagaankhuu]

Author: ganbold
Date: Wed May 13 05:46:04 2015
New Revision: 282830
URL: https://svnweb.freebsd.org/changeset/base/282830

Log:
  Delete cpu_do_powersave which is set but never used/tested
  serving no useful purpose.
  
  Differential Revision:	https://reviews.freebsd.org/D2516
  Submitted by:		John Wehle
  Reviewed by:		ian@

Modified:
  head/sys/arm/arm/cpufunc.c

Modified: head/sys/arm/arm/cpufunc.c
==============================================================================
--- head/sys/arm/arm/cpufunc.c	Wed May 13 02:25:54 2015	(r282829)
+++ head/sys/arm/arm/cpufunc.c	Wed May 13 05:46:04 2015	(r282830)
@@ -99,8 +99,6 @@ u_int	arm_cache_level;
 u_int	arm_cache_type[14];
 u_int	arm_cache_loc;
 
-/* 1 == use cpu_sleep(), 0 == don't */
-int cpu_do_powersave;
 int ctrl;
 
 #ifdef CPU_ARM9
@@ -838,11 +836,6 @@ set_cpufuncs()
 	cputype = cpufunc_id();
 	cputype &= CPU_ID_CPU_MASK;
 
-	/*
-	 * NOTE: cpu_do_powersave defaults to off.  If we encounter a
-	 * CPU type where we want to use it by default, then we set it.
-	 */
-
 #ifdef CPU_ARM9
 	if (((cputype & CPU_ID_IMPLEMENTOR_MASK) == CPU_ID_ARM_LTD ||
 	     (cputype & CPU_ID_IMPLEMENTOR_MASK) == CPU_ID_TI) &&
@@ -922,8 +915,6 @@ set_cpufuncs()
 		get_cachetype_cp15();
 		
 		pmap_pte_init_mmu_v6();
-		/* Use powersave on this CPU. */
-		cpu_do_powersave = 1;
 		goto out;
 	}
 #endif /* CPU_CORTEXA */
@@ -946,9 +937,6 @@ set_cpufuncs()
 		get_cachetype_cp15();
 		pmap_pte_init_generic();
 
-		/* Use powersave on this CPU. */
-		cpu_do_powersave = 1;
-
 		goto out;
 	}
 #endif	/* CPU_FA526 */
@@ -985,9 +973,6 @@ set_cpufuncs()
 		get_cachetype_cp15();
 		pmap_pte_init_xscale();
 
-		/* Use powersave on this CPU. */
-		cpu_do_powersave = 1;
-
 		goto out;
 	}
 #endif /* CPU_XSCALE_PXA2X0 */